commit e95f3cb5dcede91ca204c322be87d34b24e298a9 truex <truex@equwal.com> 2026-09-21 04:09:21 -0700 Add Ink Dim 0.1.0 Tap the icon and the frontlight goes to the lowest level that the hardware lights. Tap it again and the light goes back to the level of the system. Made for the Viwoods AiPaper readers. The write goes through a Shizuku shell and su 0 of the userdebug firmware.
.gitattributes | 9 + .gitignore | 23 + CHANGELOG.md | 13 + LICENSE | 674 +++++++++++++++++++++ PRIVACY.md | 23 + README.md | 94 +++ app/build.gradle.kts | 78 +++ app/src/debug/AndroidManifest.xml | 9 + .../debug/java/dev/equwal/inkdim/debug/ShotApp.kt | 54 ++ app/src/main/AndroidManifest.xml | 67 ++ app/src/main/java/dev/equwal/inkdim/Dim.kt | 88 +++ .../main/java/dev/equwal/inkdim/DimTileService.kt | 30 + .../java/dev/equwal/inkdim/SettingsActivity.kt | 110 ++++ app/src/main/java/dev/equwal/inkdim/Shell.kt | 122 ++++ app/src/main/java/dev/equwal/inkdim/Toggle.kt | 53 ++ .../main/java/dev/equwal/inkdim/ToggleActivity.kt | 73 +++ app/src/main/java/dev/equwal/inkdim/Ui.kt | 334 ++++++++++ .../main/res/drawable/ic_launcher_foreground.xml | 24 + app/src/main/res/drawable/ic_shortcut_settings.xml | 18 + app/src/main/res/drawable/ic_tile.xml | 24 + app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml | 6 + .../res/mipmap-anydpi-v26/ic_launcher_round.xml | 6 + app/src/main/res/values/colors.xml | 4 + app/src/main/res/values/strings.xml | 6 + app/src/main/res/values/styles.xml | 30 + app/src/main/res/xml/shortcuts.xml | 18 + app/src/test/java/dev/equwal/inkdim/DimTest.kt | 103 ++++ build.gradle.kts | 5 + fastlane/metadata/android/en-US/changelogs/1.txt | 6 + .../metadata/android/en-US/full_description.txt | 28 + .../metadata/android/en-US/short_description.txt | 1 + fastlane/metadata/android/en-US/title.txt | 1 + fdroid/README.md | 8 + fdroid/dev.equwal.inkdim.yml | 27 + gradle.properties | 6 + gradle/wrapper/gradle-wrapper.jar | Bin 0 -> 47505 bytes gradle/wrapper/gradle-wrapper.properties | 9 + gradlew | 248 ++++++++ gradlew.bat | 82 +++ settings.gradle.kts | 24 + 40 files changed, 2538 insertions(+)
diff --git a/.gitattributes b/.gitattributes new file mode 100644 index 0000000..b1d6ddb --- /dev/null +++ b/.gitattributes @@ -0,0 +1,9 @@ +# Keep line endings sane across platforms. gradlew must stay LF or it will not +# run on macOS or Linux after a Windows checkout. +* text=auto eol=lf +gradlew text eol=lf +*.bat text eol=crlf +*.jar binary +*.apk binary +*.jks binary +*.png binary diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..65589ae --- /dev/null +++ b/.gitignore @@ -0,0 +1,23 @@ +# Build output +build/ +.gradle/ +.kotlin/ +*.apk +*.aab +*.ap_ +*.dex + +# Local machine configuration +local.properties +build.ps1 + +# Signing material. The keystore and its passwords never go in the repository. +*.jks +*.keystore +keystore.properties + +# Editors +.idea/ +*.iml +.vscode/ +.DS_Store diff --git a/CHANGELOG.md b/CHANGELOG.md new file mode 100644 index 0000000..4ab663f --- /dev/null +++ b/CHANGELOG.md @@ -0,0 +1,13 @@ +# Changelog + +## 0.1.0 + +First release. + +- Tap the icon to set the frontlight below the lowest level of the system. +- Tap the icon again to go back to the system level. +- A quick settings tile, "Extra dim", with the state. +- The intent actions `dev.equwal.inkdim.TOGGLE`, `dev.equwal.inkdim.ON` and + `dev.equwal.inkdim.OFF`. +- A "Settings" shortcut on a long press of the icon. It shows the state of + Shizuku and the steps to set it up. diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..f288702 --- /dev/null +++ b/LICENSE @@ -0,0 +1,674 @@ + GNU GENERAL PUBLIC LICENSE + Version 3, 29 June 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/> + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU General Public License is a free, copyleft license for +software and other kinds of works. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. By contrast, +the GNU General Public License is intended to guarantee your freedom to +share and change all versions of a program--to make sure it remains free +software for all its users. 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Limitation of Liability. + + IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING +WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS +THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY +GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE +USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF +DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD +PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), +EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF +SUCH DAMAGES. + + 17. Interpretation of Sections 15 and 16. + + If the disclaimer of warranty and limitation of liability provided +above cannot be given local legal effect according to their terms, +reviewing courts shall apply local law that most closely approximates +an absolute waiver of all civil liability in connection with the +Program, unless a warranty or assumption of liability accompanies a +copy of the Program in return for a fee. + + END OF TERMS AND CONDITIONS + + How to Apply These Terms to Your New Programs + + If you develop a new program, and you want it to be of the greatest +possible use to the public, the best way to achieve this is to make it +free software which everyone can redistribute and change under these terms. + + To do so, attach the following notices to the program. It is safest +to attach them to the start of each source file to most effectively +state the exclusion of warranty; and each file should have at least +the "copyright" line and a pointer to where the full notice is found. + + <one line to give the program's name and a brief idea of what it does.> + Copyright (C) <year> <name of author> + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <https://www.gnu.org/licenses/>. + +Also add information on how to contact you by electronic and paper mail. + + If the program does terminal interaction, make it output a short +notice like this when it starts in an interactive mode: + + <program> Copyright (C) <year> <name of author> + This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, your program's commands +might be different; for a GUI interface, you would use an "about box". + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU GPL, see +<https://www.gnu.org/licenses/>. + + The GNU General Public License does not permit incorporating your program +into proprietary programs. If your program is a subroutine library, you +may consider it more useful to permit linking proprietary applications with +the library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. But first, please read +<https://www.gnu.org/licenses/why-not-lgpl.html>. diff --git a/PRIVACY.md b/PRIVACY.md new file mode 100644 index 0000000..2fb13ed --- /dev/null +++ b/PRIVACY.md @@ -0,0 +1,23 @@ +# Privacy + +Ink Dim collects nothing. + +The app has no INTERNET permission. It cannot send data anywhere. There are no +advertisements and no analytics. + +## What the permission does + +**Shizuku (moe.shizuku.manager.permission.API_V23).** It is the only permission +the app asks for. With it the app runs three shell commands on the device: it +reads the light of the panel, it writes the light of the panel, and it sets the +system brightness back. + +## What the app stores + +The app stores one thing on the device: whether the light is down. That is how +the next tap knows which way to go. Android deletes it when you uninstall the +app. + +## Contact + +truex@equwal.com diff --git a/README.md b/README.md new file mode 100644 index 0000000..5a85b61 --- /dev/null +++ b/README.md @@ -0,0 +1,94 @@ +# Ink Dim + +Sets the frontlight below the lowest level of the system. + +Tap the icon. The light goes to the lowest level the hardware still lights. +Tap it again. The light goes back to the level the system holds. + +The app has no screen. The icon is the whole app. + +Made for the Viwoods AiPaper readers. + +## Screenshots + +To be added. + +## Why the app needs Shizuku + +The system will not set the frontlight below its own floor. Ask for less +through any official route and the light snaps to zero. So the app writes the +light of the panel straight, at +`/sys/class/leds/lcd-backlight/brightness`. + +That file belongs to the user `system`. An app cannot write it, and a plain +shell user cannot write it either. The AiPaper Reader that this was made on has +a userdebug build, where the shell user may run `su 0`. On a reader with +another build, the app says that it could not set the light. So the app asks Shizuku for a shell, and the +shell writes the file through `su 0`. + +Shizuku is a separate free app. You start it from the device through wireless +debugging. There is no computer and no root. + +Long press the icon and open **Settings** for the steps, with a button for each +one. + +## Install + +Download the APK from the Releases page and install it. + +Then long press the icon, open **Settings**, and follow the steps. + +## Use + +- Tap the icon. The light goes down. +- Tap the icon again. The light goes back to the system level. +- Long press the icon for **Settings**. + +The value holds across sleep. It holds until the system brightness is next set. + +## Quick settings tile + +The tile is called **Extra dim**. Add it to the quick settings panel, then tap +it. The tile does the same as the icon, and it shows the state. + +## Start it from somewhere else + +Three intent actions: + + dev.equwal.inkdim.TOGGLE + dev.equwal.inkdim.ON + dev.equwal.inkdim.OFF + +Example with adb: + + adb shell am start -a dev.equwal.inkdim.TOGGLE + +## Put it on a hardware button + +[Rebind](https://github.com/equwal/rebind) remaps the buttons of an e-ink +reader or any Android device. It can put this toggle on a hardware button: bind +the button to the action `dev.equwal.inkdim.TOGGLE`. Rebind is from the same +maker. + +## Say thanks + +Ink Dim is free and open source. If it made your device better, you can +[buy me a coffee](https://ko-fi.com/truex). + +## Build + +You need JDK 17 or later and the Android SDK, with platform 36. + + ./gradlew testReleaseUnitTest assembleRelease + +The APK is in `app/build/outputs/apk/release/`. + +Release signing is optional. Put a `keystore.properties` file in the root of +the project with `storeFile`, `storePassword`, `keyAlias` and `keyPassword`. +Without that file the build makes an unsigned APK. + +## Licence + +GPL-3.0-or-later. See [LICENSE](LICENSE). + +Copyright (c) 2026 equwal. diff --git a/app/build.gradle.kts b/app/build.gradle.kts new file mode 100644 index 0000000..63aa3d1 --- /dev/null +++ b/app/build.gradle.kts @@ -0,0 +1,78 @@ +import java.util.Properties + +plugins { + id("com.android.application") + id("org.jetbrains.kotlin.android") +} + +/** + * Release signing is optional. The keys come from keystore.properties in the + * root of the project, which is not in the repository. Without that file the + * release build still runs and makes an unsigned APK, so a fresh clone always + * builds. + */ +val keystoreProps = Properties().apply { + val f = rootProject.file("keystore.properties") + if (f.exists()) f.inputStream().use { load(it) } +} +val hasSigning = keystoreProps.getProperty("storeFile") != null + +android { + namespace = "dev.equwal.inkdim" + compileSdk = 36 + + defaultConfig { + applicationId = "dev.equwal.inkdim" + minSdk = 31 + targetSdk = 36 + versionCode = 1 + versionName = "0.1.0" + } + + signingConfigs { + if (hasSigning) { + create("release") { + storeFile = rootProject.file(keystoreProps.getProperty("storeFile")) + storePassword = keystoreProps.getProperty("storePassword") + keyAlias = keystoreProps.getProperty("keyAlias") + keyPassword = keystoreProps.getProperty("keyPassword") + } + } + } + + buildTypes { + release { + // No shrinking: the app is small, and R8 adds nothing here. + isMinifyEnabled = false + if (hasSigning) signingConfig = signingConfigs.getByName("release") + } + debug { + applicationIdSuffix = ".debug" + versionNameSuffix = "-debug" + } + } + + buildFeatures { + buildConfig = true + } + + compileOptions { + sourceCompatibility = JavaVersion.VERSION_17 + targetCompatibility = JavaVersion.VERSION_17 + } + + kotlinOptions { + jvmTarget = "17" + } +} + +// Shizuku (Apache-2.0) is the only dependency in the APK. It lets the app run a +// command as the shell user, which is how it writes the light node. The user +// starts Shizuku from the device. Nothing here needs a computer or the network. +dependencies { + implementation("dev.rikka.shizuku:api:13.1.5") + implementation("dev.rikka.shizuku:provider:13.1.5") + + // Tests only, never in the APK. + testImplementation("junit:junit:4.13.2") +} diff --git a/app/src/debug/AndroidManifest.xml b/app/src/debug/AndroidManifest.xml new file mode 100644 index 0000000..aa16e64 --- /dev/null +++ b/app/src/debug/AndroidManifest.xml @@ -0,0 +1,9 @@ +<?xml version="1.0" encoding="utf-8"?> +<!-- + Debug builds only. An e-ink panel can be driven outside SurfaceFlinger, and + then `adb shell screencap` gives a black frame. ShotApp has each screen draw + its own view tree to a PNG. None of this is in a release build. +--> +<manifest xmlns:android="http://schemas.android.com/apk/res/android"> + <application android:name=".debug.ShotApp" /> +</manifest> diff --git a/app/src/debug/java/dev/equwal/inkdim/debug/ShotApp.kt b/app/src/debug/java/dev/equwal/inkdim/debug/ShotApp.kt new file mode 100644 index 0000000..ef62e4a --- /dev/null +++ b/app/src/debug/java/dev/equwal/inkdim/debug/ShotApp.kt @@ -0,0 +1,54 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright (c) 2026 equwal +package dev.equwal.inkdim.debug + +import android.app.Activity +import android.app.Application +import android.graphics.Bitmap +import android.graphics.Canvas +import android.graphics.Color +import android.os.Bundle +import android.os.Handler +import android.os.Looper +import android.util.Log +import java.io.File + +/** + * Screenshots for the README, for a device that cannot take them. Debug builds only. + * + * A second after any screen comes to the front, its view tree is drawn into a + * bitmap and written to the app's external files directory: + * + * adb pull /sdcard/Android/data/dev.equwal.inkdim.debug/files/shots + */ +class ShotApp : Application() { + + override fun onCreate() { + super.onCreate() + val main = Handler(Looper.getMainLooper()) + registerActivityLifecycleCallbacks(object : ActivityLifecycleCallbacks { + override fun onActivityResumed(a: Activity) { + main.postDelayed({ if (!a.isFinishing) shoot(a) }, 2500L) + } + override fun onActivityCreated(a: Activity, b: Bundle?) = Unit + override fun onActivityStarted(a: Activity) = Unit + override fun onActivityPaused(a: Activity) = Unit + override fun onActivityStopped(a: Activity) = Unit + override fun onActivitySaveInstanceState(a: Activity, b: Bundle) = Unit + override fun onActivityDestroyed(a: Activity) = Unit + }) + } + + private fun shoot(a: Activity) { + val v = a.window.decorView + if (v.width == 0 || v.height == 0) return + val bmp = Bitmap.createBitmap(v.width, v.height, Bitmap.Config.ARGB_8888) + val canvas = Canvas(bmp) + canvas.drawColor(Color.WHITE) + v.draw(canvas) + val dir = File(getExternalFilesDir(null), "shots").apply { mkdirs() } + val out = File(dir, a.javaClass.simpleName + ".png") + out.outputStream().use { bmp.compress(Bitmap.CompressFormat.PNG, 100, it) } + Log.i("InkDim", "shot " + out.absolutePath) + } +} diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml new file mode 100644 index 0000000..b2a5647 --- /dev/null +++ b/app/src/main/AndroidManifest.xml @@ -0,0 +1,67 @@ +<?xml version="1.0" encoding="utf-8"?> +<manifest xmlns:android="http://schemas.android.com/apk/res/android"> + + <!-- + Shell access through Shizuku. The light node belongs to the system, so + the app cannot write it by itself. There is no other permission, and no + INTERNET permission. + --> + <uses-permission android:name="moe.shizuku.manager.permission.API_V23" /> + + <application + android:allowBackup="true" + android:icon="@mipmap/ic_launcher" + android:label="@string/app_name" + android:supportsRtl="true" + android:theme="@style/Theme.App"> + + <!-- + The launcher icon. It draws nothing: it does the toggle and goes + away. A long press on the icon offers the settings screen. + --> + <activity + android:name=".ToggleActivity" + android:exported="true" + android:excludeFromRecents="true" + android:label="@string/app_name" + android:launchMode="singleTask" + android:noHistory="true" + android:taskAffinity="dev.equwal.inkdim.toggle" + android:theme="@style/Theme.Invisible"> + <intent-filter> + <action android:name="android.intent.action.MAIN" /> + <category android:name="android.intent.category.LAUNCHER" /> + </intent-filter> + <!-- For a key remapper, or any other app that asks for the toggle. --> + <intent-filter> + <action android:name="dev.equwal.inkdim.TOGGLE" /> + <action android:name="dev.equwal.inkdim.ON" /> + <action android:name="dev.equwal.inkdim.OFF" /> + <category android:name="android.intent.category.DEFAULT" /> + </intent-filter> + <meta-data + android:name="android.app.shortcuts" + android:resource="@xml/shortcuts" /> + </activity> + + <activity + android:name=".SettingsActivity" + android:exported="true" + android:excludeFromRecents="true" + android:label="@string/settings_label" /> + + <!-- A tile in the quick settings panel. It does the same toggle. --> + <service + android:name=".DimTileService" + android:exported="true" + android:icon="@drawable/ic_tile" + android:label="@string/tile_label" + android:permission="android.permission.BIND_QUICK_SETTINGS_TILE"> + <intent-filter> + <action android:name="android.service.quicksettings.action.QS_TILE" /> + </intent-filter> + </service> + + </application> + +</manifest> diff --git a/app/src/main/java/dev/equwal/inkdim/Dim.kt b/app/src/main/java/dev/equwal/inkdim/Dim.kt new file mode 100644 index 0000000..cafee6c --- /dev/null +++ b/app/src/main/java/dev/equwal/inkdim/Dim.kt @@ -0,0 +1,88 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright (c) 2026 equwal +package dev.equwal.inkdim + +/** + * The decision and the shell commands. No Android types, so it is all testable. + * + * Measured on the Viwoods reader: the frontlight is an ordinary backlight LED. + * Its driver accepts 1 as the lowest lit value, but the framework will not go + * below 5. Ask for 4 through any official route and it snaps to zero. A write + * straight to the LED node gets under that floor, and the value then holds, + * even across sleep, until the system brightness is next set. + * + * The node belongs to `system`, so a plain shell user cannot write it. These + * readers ship a userdebug build, where the shell user may run `su 0`. So each + * write tries the plain write first and falls back to `su 0`. + */ +object Dim { + + /** What the caller asked for. */ + enum class Action { TOGGLE, ON, OFF } + + /** The light nodes to try, in order. The first one that exists wins. */ + val nodes = listOf( + "/sys/class/leds/lcd-backlight/brightness", + "/sys/class/backlight/panel0-backlight/brightness" + ) + + /** The value to hold the light at. The lowest value the driver still lights. */ + const val ON_VALUE = 1 + + /** + * The state the light is in now. + * + * The node wins, because the user can change the brightness in the system + * at any time. [remembered] is the fallback when the node could not be read. + */ + fun isOn(nodeValue: Int?, remembered: Boolean): Boolean = + if (nodeValue == null) remembered else nodeValue <= ON_VALUE + + /** The state to go to. */ + fun next(nodeValue: Int?, remembered: Boolean, action: Action): Boolean = when (action) { + Action.ON -> true + Action.OFF -> false + Action.TOGGLE -> !isOn(nodeValue, remembered) + } + + // ---- shell commands ---------------------------------------------------- + + /** + * Writes [value] to the first node that exists. A plain write first, then + * through `su 0`, then a read back to prove the value took. + * + * Exit 0 the light holds [value], 1 the write was refused, 2 there is no + * node on this device. + */ + fun writeCommand(nodes: List<String>, value: Int): String { + val list = nodes.joinToString(" ") { "'$it'" } + return "for n in $list; do [ -e \$n ] || continue; " + + "echo $value > \$n 2>/dev/null || su 0 sh -c \"echo $value > \$n\"; " + + "[ \"\$(cat \$n)\" = \"$value\" ] && exit 0; exit 1; done; exit 2" + } + + /** + * Prints the value of the first node that exists. Exit 1 means this device + * has no light node that this app knows. + */ + fun readCommand(nodes: List<String>): String { + val list = nodes.joinToString(" ") { "'$it'" } + return "for n in $list; do [ -e \$n ] || continue; cat \$n; exit 0; done; exit 1" + } + + /** + * Gives the light back to the system. + * + * The system brightness goes up by one and straight back. That makes the + * framework write the node again, with the value the user chose. So "off" + * always lands on the brightness the system holds, whatever it is. + */ + fun restoreCommand(): String = + "v=\$(settings get system screen_brightness); " + + "settings put system screen_brightness \$((v+1)); " + + "settings put system screen_brightness \$v" + + /** The value the node holds, or null. Never throws. */ + fun parseRead(output: String): Int? = + output.lineSequence().map { it.trim() }.firstNotNullOfOrNull { it.toIntOrNull() } +} diff --git a/app/src/main/java/dev/equwal/inkdim/DimTileService.kt b/app/src/main/java/dev/equwal/inkdim/DimTileService.kt new file mode 100644 index 0000000..459edcf --- /dev/null +++ b/app/src/main/java/dev/equwal/inkdim/DimTileService.kt @@ -0,0 +1,30 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright (c) 2026 equwal +package dev.equwal.inkdim + +import android.service.quicksettings.Tile +import android.service.quicksettings.TileService + +/** A tile in the quick settings panel. It does the same as the icon. */ +class DimTileService : TileService() { + + override fun onStartListening() { + super.onStartListening() + paint(Toggle.remembered(this)) + Shell.connect(this) + if (Shell.ready) Toggle.live(this) { paint(it) } + } + + override fun onClick() { + super.onClick() + Shell.connect(this) + Toggle.run(this, Dim.Action.TOGGLE) { state -> if (state != null) paint(state) } + } + + private fun paint(on: Boolean) { + qsTile?.apply { + this.state = if (on) Tile.STATE_ACTIVE else Tile.STATE_INACTIVE + updateTile() + } + } +} diff --git a/app/src/main/java/dev/equwal/inkdim/SettingsActivity.kt b/app/src/main/java/dev/equwal/inkdim/SettingsActivity.kt new file mode 100644 index 0000000..88ed476 --- /dev/null +++ b/app/src/main/java/dev/equwal/inkdim/SettingsActivity.kt @@ -0,0 +1,110 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright (c) 2026 equwal +package dev.equwal.inkdim + +import android.app.Activity +import android.content.Intent +import android.net.Uri +import android.provider.Settings +import android.widget.LinearLayout +import dev.equwal.inkdim.Ui.button +import dev.equwal.inkdim.Ui.header +import dev.equwal.inkdim.Ui.note +import dev.equwal.inkdim.Ui.primaryButton +import dev.equwal.inkdim.Ui.row + +/** + * What the app needs, and what the app is. + * + * The launcher icon only toggles, so this screen opens from the icon shortcut, + * or by itself when the app cannot do the toggle. + */ +class SettingsActivity : Activity() { + + /** Null until the light node is looked for. */ + private var light: Boolean? = null + + private val redraw: () -> Unit = { if (!isFinishing) build() } + + override fun onResume() { + super.onResume() + Shell.onChange(redraw) + Shell.connect(this) + build() + if (Shell.ready) Toggle.hasNode { found -> light = found; redraw() } + } + + override fun onPause() { + super.onPause() + Shell.removeOnChange(redraw) + } + + private fun build() { + val col = Ui.page(this, "Ink Dim") + + col.header("Extra dim") + col.note("Sets the frontlight below the lowest level of the system.") + col.note("Tap the icon to turn it on. Tap it again for the system level.") + col.row("Light", null, enabled = false, state = lightState()) + if (light == false) col.note("This device has no light that the app knows.") + col.primaryButton("Try it") { Toggle.run(this, Dim.Action.TOGGLE) } + + col.header("Shizuku") + col.note("The light belongs to the system. Shizuku gives the app a shell. The shell then writes the light.") + col.row("State", null, enabled = false, state = Shell.describe(this)) + if (Shell.state(this) != Shell.State.READY) steps(col) + + col.header("About") + col.row("Version", null, enabled = false, state = BuildConfig.VERSION_NAME) + col.row("Licence", null, enabled = false, state = "GPL-3.0-or-later") + col.row("Source code", REPO.removePrefix("https://")) { start(Intent(Intent.ACTION_VIEW, Uri.parse(REPO))) } + col.row("Buy me a coffee", TIP.removePrefix("https://")) { start(Intent(Intent.ACTION_VIEW, Uri.parse(TIP))) } + } + + private fun lightState(): String = when { + !Shell.ready -> "Needs Shizuku" + light == null -> "Looking" + light == true -> "Found" + else -> "None" + } + + /** The four steps to shell access, from the device itself. */ + private fun steps(col: LinearLayout) { + val state = Shell.state(this) + col.note("1. Install Shizuku. It is free.") + if (state == Shell.State.NOT_INSTALLED) { + col.button("Get Shizuku") { + if (!start(Intent(Intent.ACTION_VIEW, Uri.parse("market://details?id=" + Shell.SHIZUKU_PACKAGE)))) { + start(Intent(Intent.ACTION_VIEW, Uri.parse("https://shizuku.rikka.app/download/"))) + } + } + } + + col.note("2. Turn on wireless debugging in Developer options.") + col.button("Open Developer options") { + if (!start(Intent(Settings.ACTION_APPLICATION_DEVELOPMENT_SETTINGS))) { + start(Intent(Settings.ACTION_DEVICE_INFO_SETTINGS)) + } + } + + col.note("3. In Shizuku, pair with the code, then press Start.") + if (state != Shell.State.NOT_INSTALLED) { + col.button("Open Shizuku") { + packageManager.getLaunchIntentForPackage(Shell.SHIZUKU_PACKAGE)?.let { start(it) } + } + } + + col.note("4. Let Ink Dim use Shizuku.") + if (state == Shell.State.NO_PERMISSION) { + col.button("Ask for permission") { Shell.requestPermission() } + } + } + + private fun start(i: Intent): Boolean = + runCatching { startActivity(i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)); true }.getOrDefault(false) + + private companion object { + const val REPO = "https://github.com/equwal/ink-dim" + const val TIP = "https://ko-fi.com/truex" + } +} diff --git a/app/src/main/java/dev/equwal/inkdim/Shell.kt b/app/src/main/java/dev/equwal/inkdim/Shell.kt new file mode 100644 index 0000000..8df7c37 --- /dev/null +++ b/app/src/main/java/dev/equwal/inkdim/Shell.kt @@ -0,0 +1,122 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright (c) 2026 equwal +package dev.equwal.inkdim + +import android.content.Context +import android.content.pm.PackageManager +import android.os.Handler +import android.os.Looper +import android.util.Log +import rikka.shizuku.Shizuku +import java.util.concurrent.Executors + +/** + * Shell access, by way of Shizuku. + * + * Shizuku is a separate, free app. The user starts it from the device itself + * through Android's wireless debugging. There is no computer and no root. Once + * it runs and has said yes to this app, this object can start a process under + * the shell uid. That is what writes the light node. + * + * It uses Shizuku's plain remote-process call and nothing more. Shizuku's bound + * "user service" is the tidier design, but its starter dies inside + * LoadedApk.makeApplication on Android 16 before our code is loaded. + */ +object Shell { + + private const val TAG = "InkDim" + + const val SHIZUKU_PACKAGE = "moe.shizuku.privileged.api" + private const val REQUEST_CODE = 7301 + + enum class State { NOT_INSTALLED, NOT_RUNNING, NO_PERMISSION, READY } + + private val main = Handler(Looper.getMainLooper()) + private val worker = Executors.newSingleThreadExecutor() + private val listeners = ArrayList<() -> Unit>() + private var hooked = false + + val ready: Boolean get() = alive() && permitted() + + fun state(c: Context): State = when { + ready -> State.READY + !installed(c) -> State.NOT_INSTALLED + !alive() -> State.NOT_RUNNING + else -> State.NO_PERMISSION + } + + fun describe(c: Context): String = when (state(c)) { + State.READY -> "On" + State.NO_PERMISSION -> "Shizuku runs, permission needed" + State.NOT_RUNNING -> "Shizuku is installed, not started" + State.NOT_INSTALLED -> "Off, needs the free Shizuku app" + } + + /** Called when the state can have changed. Always on the main thread. */ + fun onChange(l: () -> Unit) { if (l !in listeners) listeners.add(l) } + fun removeOnChange(l: () -> Unit) { listeners.remove(l) } + private fun changed() = main.post { ArrayList(listeners).forEach { it() } } + + private fun installed(c: Context): Boolean = + runCatching { c.packageManager.getPackageInfo(SHIZUKU_PACKAGE, 0); true }.getOrDefault(false) + + private fun alive(): Boolean = runCatching { Shizuku.pingBinder() }.getOrDefault(false) + + private fun permitted(): Boolean = runCatching { + !Shizuku.isPreV11() && Shizuku.checkSelfPermission() == PackageManager.PERMISSION_GRANTED + }.getOrDefault(false) + + /** Safe to call often. It registers for Shizuku's comings and goings once. */ + fun connect(c: Context) { + if (!hooked) { + hooked = true + runCatching { + Shizuku.addBinderReceivedListenerSticky { changed() } + Shizuku.addBinderDeadListener { changed() } + Shizuku.addRequestPermissionResultListener { _, _ -> changed() } + } + } + changed() + } + + fun requestPermission() { + runCatching { if (alive() && !permitted()) Shizuku.requestPermission(REQUEST_CODE) } + } + + // ---- processes --------------------------------------------------------- + + /** + * Shizuku.newProcess is private in the v13 API, but it is the supported wire + * call underneath, and the one that every shell-style client uses. + */ + private val newProcess by lazy { + Shizuku::class.java.getDeclaredMethod( + "newProcess", Array<String>::class.java, Array<String>::class.java, String::class.java + ).apply { isAccessible = true } + } + + private fun start(vararg argv: String): Process? = runCatching { + newProcess.invoke(null, argv, null, null) as Process + }.onFailure { Log.w(TAG, "shell process failed: " + argv.joinToString(" "), it) }.getOrNull() + + data class Result(val exit: Int, val output: String) { + val ok: Boolean get() = exit == 0 + } + + private fun execNow(command: String): Result { + val p = start("sh", "-c", "$command 2>&1") ?: return Result(-1, "no shell access") + return runCatching { + val out = p.inputStream.bufferedReader().readText() + Result(p.waitFor(), out) + }.getOrElse { Result(-1, it.toString()) } + } + + /** Runs off the main thread. [done] comes back on the main thread. */ + fun run(command: String, done: ((Result) -> Unit)? = null) { + worker.execute { + val r = if (ready) execNow(command) else Result(-1, "no shell access") + if (!r.ok) Log.i(TAG, "shell: " + command + " -> " + r.exit + " " + r.output.take(200)) + done?.let { main.post { it(r) } } + } + } +} diff --git a/app/src/main/java/dev/equwal/inkdim/Toggle.kt b/app/src/main/java/dev/equwal/inkdim/Toggle.kt new file mode 100644 index 0000000..45d5dd1 --- /dev/null +++ b/app/src/main/java/dev/equwal/inkdim/Toggle.kt @@ -0,0 +1,53 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright (c) 2026 equwal +package dev.equwal.inkdim + +import android.content.Context + +/** + * The one action of this app, for the icon, the tile and the intent actions. + * + * It reads the light node first, so the state is what the light really does, + * not only what this app last did. Then it writes, and remembers the result. + */ +object Toggle { + + private const val PREFS = "inkdim" + private const val K_ON = "on" + + fun remembered(c: Context): Boolean = + c.getSharedPreferences(PREFS, Context.MODE_PRIVATE).getBoolean(K_ON, false) + + private fun remember(c: Context, on: Boolean) { + c.getSharedPreferences(PREFS, Context.MODE_PRIVATE).edit().putBoolean(K_ON, on).apply() + } + + /** + * Does [action]. [done] gets the new state, or null when the app could not + * do it: no shell access, or no light node on this device. + */ + fun run(c: Context, action: Dim.Action, done: (Boolean?) -> Unit = {}) { + Shell.run(Dim.readCommand(Dim.nodes)) { read -> + val value = Dim.parseRead(read.output) + if (!read.ok && value == null) return@run done(null) + val on = Dim.next(value, remembered(c), action) + remember(c, on) + val command = if (on) Dim.writeCommand(Dim.nodes, Dim.ON_VALUE) else Dim.restoreCommand() + Shell.run(command) { done(if (it.ok) on else null) } + } + } + + /** The state the light is in now. It also corrects what the app remembers. */ + fun live(c: Context, done: (Boolean) -> Unit) { + Shell.run(Dim.readCommand(Dim.nodes)) { read -> + val on = Dim.isOn(Dim.parseRead(read.output), remembered(c)) + remember(c, on) + done(on) + } + } + + /** True when this device has a light node that the app knows. */ + fun hasNode(done: (Boolean) -> Unit) { + Shell.run(Dim.readCommand(Dim.nodes)) { done(it.ok && Dim.parseRead(it.output) != null) } + } +} diff --git a/app/src/main/java/dev/equwal/inkdim/ToggleActivity.kt b/app/src/main/java/dev/equwal/inkdim/ToggleActivity.kt new file mode 100644 index 0000000..9b19e2f --- /dev/null +++ b/app/src/main/java/dev/equwal/inkdim/ToggleActivity.kt @@ -0,0 +1,73 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright (c) 2026 equwal +package dev.equwal.inkdim + +import android.app.Activity +import android.content.Intent +import android.os.Bundle +import android.os.Handler +import android.os.Looper + +/** + * The launcher icon. It has no screen. + * + * A tap toggles the light and the activity goes away. There is no toast: this + * device drops them, and the light itself is the answer. + * + * Without shell access, or without a light node, it opens the settings screen + * instead, which says what to do. + */ +class ToggleActivity : Activity() { + + private val main = Handler(Looper.getMainLooper()) + private var acted = false + + /** Shizuku hands over its binder a moment after the app starts. */ + private val onShell: () -> Unit = { if (Shell.ready) act() } + + override fun onCreate(state: Bundle?) { + super.onCreate(state) + Shell.onChange(onShell) + Shell.connect(this) + if (Shell.ready) act() else main.postDelayed({ if (!acted) openSettings() }, WAIT_MS) + } + + override fun onDestroy() { + super.onDestroy() + Shell.removeOnChange(onShell) + main.removeCallbacksAndMessages(null) + } + + private fun act() { + if (acted) return + acted = true + val action = when (intent?.action) { + ACTION_ON -> Dim.Action.ON + ACTION_OFF -> Dim.Action.OFF + else -> Dim.Action.TOGGLE + } + Toggle.run(this, action) { result -> + if (result == null) openSettings() else close() + } + } + + private fun openSettings() { + acted = true + startActivity(Intent(this, SettingsActivity::class.java)) + close() + } + + @Suppress("DEPRECATION") + private fun close() { + finish() + overridePendingTransition(0, 0) + } + + private companion object { + const val ACTION_ON = "dev.equwal.inkdim.ON" + const val ACTION_OFF = "dev.equwal.inkdim.OFF" + + /** How long to wait for Shizuku to hand over its binder. */ + const val WAIT_MS = 1500L + } +} diff --git a/app/src/main/java/dev/equwal/inkdim/Ui.kt b/app/src/main/java/dev/equwal/inkdim/Ui.kt new file mode 100644 index 0000000..23c322c --- /dev/null +++ b/app/src/main/java/dev/equwal/inkdim/Ui.kt @@ -0,0 +1,334 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright (c) 2026 equwal +package dev.equwal.inkdim + +import android.app.Activity +import android.content.Context +import android.graphics.Canvas +import android.graphics.Color +import android.graphics.Paint +import android.graphics.Path +import android.graphics.Typeface +import android.graphics.drawable.GradientDrawable +import android.text.TextUtils +import android.util.TypedValue +import android.view.Gravity +import android.view.View +import android.view.ViewGroup.LayoutParams.MATCH_PARENT +import android.view.ViewGroup.LayoutParams.WRAP_CONTENT +import android.view.WindowInsets +import android.widget.Button +import android.widget.LinearLayout +import android.widget.ScrollView +import android.widget.TextView + +/** + * View construction, in code, with no support library. + * + * The screen is e-ink: no colour, slow refresh, and a hard time with light + * greys. So everything here is black on white at generous sizes, an outline is + * a real black line, and nothing animates. + * + * The rules this file keeps, so that each screen looks the same: + * + * - 16 dp side margins, and spacing on an 8 dp grid. + * - A row is at least 56 dp high, and the whole row is the touch target. + * - Titles are 17 sp, notes 14 sp, section headers 13 sp small caps. + * - Secondary text is #444444. Nothing lighter carries a fact. + * - A button is 48 dp high and outlined. The main button is 56 dp and filled. + */ +object Ui { + + const val INK = Color.BLACK + + /** Secondary text. The lightest grey that still reads on e-ink. */ + val DIM = Color.rgb(68, 68, 68) + + /** Separator lines between rows. */ + val RULE = Color.rgb(150, 150, 150) + + fun Context.dp(v: Int): Int = TypedValue.applyDimension( + TypedValue.COMPLEX_UNIT_DIP, v.toFloat(), resources.displayMetrics + ).toInt() + + private fun Context.px(v: Int): Int = maxOf(1, dp(v)) + + // ---- page -------------------------------------------------------------- + + /** + * Root of a screen. It gives back the column that the caller fills. + * + * With a [title] the screen gets the standard top bar: a back arrow with a + * 48 dp touch target, the title, and a rule under it. The content below + * scrolls only when it does not fit. + */ + fun page(a: Activity, title: String? = null): LinearLayout { + val root = LinearLayout(a).apply { + orientation = LinearLayout.VERTICAL + setBackgroundColor(Color.WHITE) + } + if (title != null) { + root.addView(topBar(a, title)) + root.addView(View(a).apply { + setBackgroundColor(RULE) + layoutParams = LinearLayout.LayoutParams(MATCH_PARENT, 1) + }) + } + + val col = LinearLayout(a).apply { + orientation = LinearLayout.VERTICAL + setPadding(a.dp(16), a.dp(if (title == null) 8 else 12), a.dp(16), a.dp(24)) + } + val scroll = ScrollView(a).apply { + isFillViewport = true + clipToPadding = false + addView(col, LinearLayout.LayoutParams(MATCH_PARENT, WRAP_CONTENT)) + } + root.addView(scroll, LinearLayout.LayoutParams(MATCH_PARENT, 0, 1f)) + + // Edge to edge is enforced from Android 15, so the system bars overlap + // the window. The top bar moves down by what the status bar covers, and + // the content keeps clear of the navigation bar. + root.setOnApplyWindowInsetsListener { v, insets -> + val bars = insets.getInsets( + WindowInsets.Type.systemBars() or WindowInsets.Type.displayCutout() + ) + v.setPadding(bars.left, bars.top, bars.right, 0) + col.setPadding( + col.paddingLeft, col.paddingTop, col.paddingRight, a.dp(24) + bars.bottom + ) + insets + } + a.setContentView(root) + root.requestApplyInsets() + return col + } + + private fun topBar(a: Activity, text: String): View { + val bar = LinearLayout(a).apply { + orientation = LinearLayout.HORIZONTAL + gravity = Gravity.CENTER_VERTICAL + setPadding(a.dp(4), 0, a.dp(16), 0) + layoutParams = LinearLayout.LayoutParams(MATCH_PARENT, a.dp(56)) + } + bar.addView(Glyph(a, Glyph.BACK).apply { + contentDescription = "Back" + isClickable = true + isFocusable = true + @Suppress("DEPRECATION") + setOnClickListener { a.onBackPressed() } + layoutParams = LinearLayout.LayoutParams(a.dp(48), a.dp(48)) + }) + bar.addView(TextView(a).apply { + this.text = text + setTextColor(INK) + setTextSize(TypedValue.COMPLEX_UNIT_SP, 20f) + setTypeface(Typeface.DEFAULT_BOLD) + maxLines = 1 + ellipsize = TextUtils.TruncateAt.END + layoutParams = LinearLayout.LayoutParams(0, WRAP_CONTENT, 1f).apply { + marginStart = a.dp(4) + } + }) + return bar + } + + // ---- text -------------------------------------------------------------- + + fun LinearLayout.header(text: String) = add(TextView(context).apply { + this.text = text.uppercase() + setTextColor(DIM) + setTextSize(TypedValue.COMPLEX_UNIT_SP, 13f) + setTypeface(Typeface.DEFAULT_BOLD) + letterSpacing = 0.08f + setPadding(0, context.dp(24), 0, context.dp(8)) + }) + + fun LinearLayout.note(text: String) = add(TextView(context).apply { + this.text = text + setTextColor(DIM) + setTextSize(TypedValue.COMPLEX_UNIT_SP, 14f) + setLineSpacing(context.dp(3).toFloat(), 1f) + setPadding(0, 0, 0, context.dp(8)) + }) + + fun LinearLayout.rule() = add(View(context).apply { + setBackgroundColor(RULE) + layoutParams = LinearLayout.LayoutParams(MATCH_PARENT, 1) + }) + + // ---- rows -------------------------------------------------------------- + + /** + * A row: what it is, what it does now, and either a state chip or a chevron + * on the right. The whole row is the touch target. + */ + fun LinearLayout.row( + title: String, + subtitle: String? = null, + enabled: Boolean = true, + state: String? = null, + onClick: (() -> Unit)? = null + ): LinearLayout { + val box = LinearLayout(context).apply { + orientation = LinearLayout.HORIZONTAL + gravity = Gravity.CENTER_VERTICAL + minimumHeight = context.dp(56) + val v = context.dp(10) + setPadding(0, v, 0, v) + isClickable = onClick != null && enabled + if (isClickable) setOnClickListener { onClick?.invoke() } + } + val texts = LinearLayout(context).apply { orientation = LinearLayout.VERTICAL } + texts.addView(TextView(context).apply { + text = title + setTextColor(if (enabled) INK else DIM) + setTextSize(TypedValue.COMPLEX_UNIT_SP, 17f) + }) + if (!subtitle.isNullOrBlank()) { + texts.addView(TextView(context).apply { + text = subtitle + setTextColor(DIM) + setTextSize(TypedValue.COMPLEX_UNIT_SP, 14f) + setPadding(0, context.dp(2), 0, 0) + }) + } + box.addView(texts, LinearLayout.LayoutParams(0, WRAP_CONTENT, 1f)) + + if (state != null) { + box.addView(chip(context, state).apply { + layoutParams = LinearLayout.LayoutParams(WRAP_CONTENT, WRAP_CONTENT).apply { + marginStart = context.dp(8) + } + }) + } else if (box.isClickable) { + box.addView(Glyph(context, Glyph.CHEVRON).apply { + layoutParams = LinearLayout.LayoutParams(context.dp(24), context.dp(24)).apply { + marginStart = context.dp(8) + } + }) + } + add(box) + rule() + return box + } + + // ---- buttons ----------------------------------------------------------- + + /** The main action of a screen: filled, 56 dp, full width. */ + fun LinearLayout.primaryButton(text: String, onClick: () -> Unit) = + add(flatButton(context, text, 56, Color.WHITE, INK, 17f).apply { + setOnClickListener { onClick() } + }) + + /** Every other action: outlined, 48 dp, full width. */ + fun LinearLayout.button(text: String, onClick: () -> Unit) = + add(flatButton(context, text, 48, INK, Color.WHITE, 16f).apply { + setOnClickListener { onClick() } + }) + + /** + * A button with the platform look taken off: our own outline or fill, no + * elevation, and no ripple, which smears on an e-ink panel. + */ + private fun flatButton( + c: Context, + text: String, + height: Int, + textColor: Int, + fill: Int, + size: Float + ): Button = Button(c).apply { + this.text = text + isAllCaps = false + gravity = Gravity.CENTER + setTextColor(textColor) + setTextSize(TypedValue.COMPLEX_UNIT_SP, size) + setTypeface(Typeface.DEFAULT_BOLD) + background = outline(c, fill) + stateListAnimator = null + elevation = 0f + minWidth = 0 + minimumWidth = 0 + minHeight = 0 + minimumHeight = 0 + setPadding(c.dp(16), 0, c.dp(16), 0) + layoutParams = LinearLayout.LayoutParams(MATCH_PARENT, c.dp(height)).apply { + topMargin = c.dp(8) + bottomMargin = c.dp(8) + } + } + + // ---- drawing ----------------------------------------------------------- + + /** A black outline on a fill: the one shape this app is built from. */ + fun outline(c: Context, fill: Int = Color.WHITE, radius: Int = 2): GradientDrawable = + GradientDrawable().apply { + shape = GradientDrawable.RECTANGLE + setColor(fill) + cornerRadius = c.dp(radius).toFloat() + setStroke(c.px(1), INK) + } + + /** A short state word, in an outlined box. */ + fun chip(c: Context, text: String): TextView = TextView(c).apply { + this.text = text + setTextColor(INK) + setTextSize(TypedValue.COMPLEX_UNIT_SP, 12f) + setTypeface(Typeface.DEFAULT_BOLD) + background = outline(c, radius = 10) + setPadding(c.dp(8), c.dp(3), c.dp(8), c.dp(3)) + maxLines = 1 + } + + /** + * The back arrow and the row chevron. They are drawn, not typed, because a + * firmware font can be without the characters. + */ + private class Glyph(c: Context, private val kind: Int) : View(c) { + + private val paint = Paint(Paint.ANTI_ALIAS_FLAG).apply { + color = INK + style = Paint.Style.STROKE + strokeWidth = c.resources.displayMetrics.density * 2f + strokeCap = Paint.Cap.ROUND + strokeJoin = Paint.Join.ROUND + } + private val path = Path() + + override fun onDraw(canvas: Canvas) { + val cx = width / 2f + val cy = height / 2f + path.reset() + if (kind == BACK) { + val r = minOf(width, height) * 0.24f + val h = r * 0.62f + path.moveTo(cx + r, cy) + path.lineTo(cx - r, cy) + path.moveTo(cx - r + h, cy - h) + path.lineTo(cx - r, cy) + path.lineTo(cx - r + h, cy + h) + } else { + val w = minOf(width, height) * 0.17f + val h = w * 1.7f + path.moveTo(cx - w, cy - h) + path.lineTo(cx + w, cy) + path.lineTo(cx - w, cy + h) + } + canvas.drawPath(path, paint) + } + + companion object { + const val BACK = 0 + const val CHEVRON = 1 + } + } + + /** Full width by default. A caller that wants otherwise sets the params first. */ + private fun LinearLayout.add(v: View) { + if (v.layoutParams == null) { + v.layoutParams = LinearLayout.LayoutParams(MATCH_PARENT, WRAP_CONTENT) + } + addView(v) + } +} diff --git a/app/src/main/res/drawable/ic_launcher_foreground.xml b/app/src/main/res/drawable/ic_launcher_foreground.xml new file mode 100644 index 0000000..59e5519 --- /dev/null +++ b/app/src/main/res/drawable/ic_launcher_foreground.xml @@ -0,0 +1,24 @@ +<?xml version="1.0" encoding="utf-8"?> +<!-- A sun with rays, and an arrow down: less light. --> +<vector xmlns:android="http://schemas.android.com/apk/res/android" + android:width="108dp" + android:height="108dp" + android:viewportWidth="108" + android:viewportHeight="108"> + <path + android:fillColor="#FFFFFF" + android:strokeColor="#111111" + android:strokeWidth="4" + android:pathData="M42,42a12,12 0 1,0 24,0a12,12 0 1,0 -24,0" /> + <path + android:strokeColor="#111111" + android:strokeWidth="4" + android:strokeLineCap="round" + android:pathData="M54,25 L54,19 M54,59 L54,65 M71,42 L77,42 M37,42 L31,42 M66,30 L70.3,25.7 M42,30 L37.7,25.7 M66,54 L70.3,58.3 M42,54 L37.7,58.3" /> + <path + android:strokeColor="#111111" + android:strokeWidth="4" + android:strokeLineCap="round" + android:strokeLineJoin="round" + android:pathData="M54,70 L54,88 M47,81 L54,88 L61,81" /> +</vector> diff --git a/app/src/main/res/drawable/ic_shortcut_settings.xml b/app/src/main/res/drawable/ic_shortcut_settings.xml new file mode 100644 index 0000000..f721f5c --- /dev/null +++ b/app/src/main/res/drawable/ic_shortcut_settings.xml @@ -0,0 +1,18 @@ +<?xml version="1.0" encoding="utf-8"?> +<!-- The icon of the "Settings" shortcut: three sliders. --> +<vector xmlns:android="http://schemas.android.com/apk/res/android" + android:width="24dp" + android:height="24dp" + android:viewportWidth="24" + android:viewportHeight="24"> + <path + android:strokeColor="#111111" + android:strokeWidth="1.6" + android:strokeLineCap="round" + android:pathData="M4,7 L20,7 M4,12 L20,12 M4,17 L20,17" /> + <path + android:fillColor="#FFFFFF" + android:strokeColor="#111111" + android:strokeWidth="1.6" + android:pathData="M7,7a2,2 0 1,0 4,0a2,2 0 1,0 -4,0M13,12a2,2 0 1,0 4,0a2,2 0 1,0 -4,0M9,17a2,2 0 1,0 4,0a2,2 0 1,0 -4,0" /> +</vector> diff --git a/app/src/main/res/drawable/ic_tile.xml b/app/src/main/res/drawable/ic_tile.xml new file mode 100644 index 0000000..107352e --- /dev/null +++ b/app/src/main/res/drawable/ic_tile.xml @@ -0,0 +1,24 @@ +<?xml version="1.0" encoding="utf-8"?> +<!-- The quick settings tile icon. The system tints it. --> +<vector xmlns:android="http://schemas.android.com/apk/res/android" + android:width="24dp" + android:height="24dp" + android:viewportWidth="24" + android:viewportHeight="24" + android:tint="#FFFFFFFF"> + <path + android:strokeColor="#FFFFFF" + android:strokeWidth="1.6" + android:pathData="M8.8,8a3.2,3.2 0 1,0 6.4,0a3.2,3.2 0 1,0 -6.4,0" /> + <path + android:strokeColor="#FFFFFF" + android:strokeWidth="1.6" + android:strokeLineCap="round" + android:pathData="M12,3.4 L12,1.8 M12,14.2 L12,12.6 M16.6,8 L18.2,8 M7.4,8 L5.8,8 M15.3,4.7 L16.4,3.6 M8.7,4.7 L7.6,3.6 M15.3,11.3 L16.4,12.4 M8.7,11.3 L7.6,12.4" /> + <path + android:strokeColor="#FFFFFF" + android:strokeWidth="1.6" + android:strokeLineCap="round" + android:strokeLineJoin="round" + android:pathData="M12,16.5 L12,21.5 M9.2,18.7 L12,21.5 L14.8,18.7" /> +</vector> diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml new file mode 100644 index 0000000..5c84730 --- /dev/null +++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml @@ -0,0 +1,6 @@ +<?xml version="1.0" encoding="utf-8"?> +<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android"> + <background android:drawable="@color/ic_launcher_background" /> + <foreground android:drawable="@drawable/ic_launcher_foreground" /> + <monochrome android:drawable="@drawable/ic_launcher_foreground" /> +</adaptive-icon> diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml new file mode 100644 index 0000000..5c84730 --- /dev/null +++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml @@ -0,0 +1,6 @@ +<?xml version="1.0" encoding="utf-8"?> +<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android"> + <background android:drawable="@color/ic_launcher_background" /> + <foreground android:drawable="@drawable/ic_launcher_foreground" /> + <monochrome android:drawable="@drawable/ic_launcher_foreground" /> +</adaptive-icon> diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml new file mode 100644 index 0000000..f42ada6 --- /dev/null +++ b/app/src/main/res/values/colors.xml @@ -0,0 +1,4 @@ +<?xml version="1.0" encoding="utf-8"?> +<resources> + <color name="ic_launcher_background">#FFFFFF</color> +</resources> diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml new file mode 100644 index 0000000..0a00514 --- /dev/null +++ b/app/src/main/res/values/strings.xml @@ -0,0 +1,6 @@ +<?xml version="1.0" encoding="utf-8"?> +<resources> + <string name="app_name">Ink Dim</string> + <string name="settings_label">Settings</string> + <string name="tile_label">Extra dim</string> +</resources> diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml new file mode 100644 index 0000000..4c85b0b --- /dev/null +++ b/app/src/main/res/values/styles.xml @@ -0,0 +1,30 @@ +<?xml version="1.0" encoding="utf-8"?> +<resources> + <!-- + E-ink: light, high contrast, no animation anywhere. No action bar: + each screen draws its own title. From Android 15 an app that targets + SDK 35 or later is laid out edge to edge, so each screen pads itself + for the system bars. + --> + <style name="Theme.App" parent="@android:style/Theme.DeviceDefault.Light.NoActionBar"> + <item name="android:windowAnimationStyle">@null</item> + <item name="android:windowLightStatusBar">true</item> + <item name="android:windowLightNavigationBar">true</item> + <item name="android:statusBarColor">@android:color/white</item> + <item name="android:navigationBarColor">@android:color/white</item> + </style> + + <!-- + The toggle activity. It shows nothing and it goes away by itself. + Theme.NoDisplay is not used, because the toggle waits for the shell and + finishes later than onResume. + --> + <style name="Theme.Invisible" parent="@android:style/Theme.DeviceDefault.Light.NoActionBar"> + <item name="android:windowAnimationStyle">@null</item> + <item name="android:windowBackground">@android:color/transparent</item> + <item name="android:windowIsTranslucent">true</item> + <item name="android:windowContentOverlay">@null</item> + <item name="android:backgroundDimEnabled">false</item> + <item name="android:windowNoTitle">true</item> + </style> +</resources> diff --git a/app/src/main/res/xml/shortcuts.xml b/app/src/main/res/xml/shortcuts.xml new file mode 100644 index 0000000..9b637a5 --- /dev/null +++ b/app/src/main/res/xml/shortcuts.xml @@ -0,0 +1,18 @@ +<?xml version="1.0" encoding="utf-8"?> +<!-- + A long press on the launcher icon. The icon itself only toggles, so this is + the way to the settings screen. +--> +<shortcuts xmlns:android="http://schemas.android.com/apk/res/android"> + <shortcut + android:shortcutId="settings" + android:enabled="true" + android:icon="@drawable/ic_shortcut_settings" + android:shortcutShortLabel="@string/settings_label" + android:shortcutLongLabel="@string/settings_label"> + <intent + android:action="android.intent.action.VIEW" + android:targetPackage="dev.equwal.inkdim" + android:targetClass="dev.equwal.inkdim.SettingsActivity" /> + </shortcut> +</shortcuts> diff --git a/app/src/test/java/dev/equwal/inkdim/DimTest.kt b/app/src/test/java/dev/equwal/inkdim/DimTest.kt new file mode 100644 index 0000000..1e8ff25 --- /dev/null +++ b/app/src/test/java/dev/equwal/inkdim/DimTest.kt @@ -0,0 +1,103 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright (c) 2026 equwal +package dev.equwal.inkdim + +import org.junit.Assert.assertEquals +import org.junit.Assert.assertFalse +import org.junit.Assert.assertNull +import org.junit.Assert.assertTrue +import org.junit.Test +import java.util.Random + +/** Tests for the pure functions of [Dim]. */ +class DimTest { + + // ---- Dim.next ---------------------------------------------------------- + + @Test fun `the node value wins over what the app remembers`() { + // The node says the light is already down, so a toggle goes back up. + assertFalse(Dim.next(1, false, Dim.Action.TOGGLE)) + // The node says the light is up, so a toggle goes down. + assertTrue(Dim.next(60, true, Dim.Action.TOGGLE)) + } + + @Test fun `a node value at or below the on value counts as on`() { + assertFalse(Dim.next(0, false, Dim.Action.TOGGLE)) + assertFalse(Dim.next(Dim.ON_VALUE, false, Dim.Action.TOGGLE)) + assertTrue(Dim.next(Dim.ON_VALUE + 1, false, Dim.Action.TOGGLE)) + } + + @Test fun `no node value falls back to what the app remembers`() { + assertFalse(Dim.next(null, true, Dim.Action.TOGGLE)) + assertTrue(Dim.next(null, false, Dim.Action.TOGGLE)) + } + + @Test fun `on and off give the same answer whatever the state is`() { + for (node in listOf(null, 0, 1, 5, 128, 255)) { + for (remembered in listOf(true, false)) { + assertTrue(Dim.next(node, remembered, Dim.Action.ON)) + assertFalse(Dim.next(node, remembered, Dim.Action.OFF)) + } + } + } + + // ---- Dim.parseRead ----------------------------------------------------- + + @Test fun `the reader takes the value the node prints`() { + assertEquals(1, Dim.parseRead("1\n")) + assertEquals(60, Dim.parseRead(" 60 \n")) + assertEquals(255, Dim.parseRead("255")) + } + + @Test fun `the reader gives nothing for output that holds no value`() { + assertNull(Dim.parseRead("")) + assertNull(Dim.parseRead("\n \n")) + assertNull(Dim.parseRead("/system/bin/sh: cat: No such file or directory")) + assertNull(Dim.parseRead("null")) + } + + /** + * Junk input must never throw. The generator makes output that is close to + * the real thing, because a value that looks right but does not fit an Int + * is what breaks a reader. + */ + @Test fun `the reader never throws on junk`() { + val r = Random(13) + val numbers = listOf( + "0", "1", "5", "255", "-3", "+7", "007", + "99999999999999999999", "2147483648", "1.5", "1 2" + ) + val noise = listOf( + "", " ", "\t", "\n", "\r\n", "null", "cat:", "Permission denied", + "/sys/class/leds/lcd-backlight/brightness", "su:", "not found", "💩" + ) + + fun pick(xs: List<String>) = xs[r.nextInt(xs.size)] + + repeat(2000) { + val text = (0 until r.nextInt(5)).joinToString("\n") { + pick(noise + numbers) + pick(noise) + pick(numbers + noise) + } + // Nothing is claimed about the result. It must only come back. + Dim.parseRead(text) + } + } + + // ---- the shell commands ------------------------------------------------ + + @Test fun `the write falls back to su and quotes every node`() { + val command = Dim.writeCommand(Dim.nodes, Dim.ON_VALUE) + assertTrue(command.contains("su 0")) + for (node in Dim.nodes) assertTrue(command.contains("'$node'")) + assertTrue(Dim.nodes.isNotEmpty()) + } + + @Test fun `the read quotes every node`() { + val command = Dim.readCommand(Dim.nodes) + for (node in Dim.nodes) assertTrue(command.contains("'$node'")) + } + + @Test fun `off puts back the brightness the system holds`() { + assertTrue(Dim.restoreCommand().contains("settings put system screen_brightness")) + } +} diff --git a/build.gradle.kts b/build.gradle.kts new file mode 100644 index 0000000..cdb90a1 --- /dev/null +++ b/build.gradle.kts @@ -0,0 +1,5 @@ +// Versions are pinned so a clean clone builds the same APK. +plugins { + id("com.android.application") version "8.13.2" apply false + id("org.jetbrains.kotlin.android") version "2.2.21" apply false +} diff --git a/fastlane/metadata/android/en-US/changelogs/1.txt b/fastlane/metadata/android/en-US/changelogs/1.txt new file mode 100644 index 0000000..20ccfb1 --- /dev/null +++ b/fastlane/metadata/android/en-US/changelogs/1.txt @@ -0,0 +1,6 @@ +First release. + +Tap the icon to set the frontlight below the lowest level of the system. Tap it +again for the system level. A quick settings tile, "Extra dim", and the intent +actions dev.equwal.inkdim.TOGGLE, dev.equwal.inkdim.ON and +dev.equwal.inkdim.OFF. diff --git a/fastlane/metadata/android/en-US/full_description.txt b/fastlane/metadata/android/en-US/full_description.txt new file mode 100644 index 0000000..e20b7d5 --- /dev/null +++ b/fastlane/metadata/android/en-US/full_description.txt @@ -0,0 +1,28 @@ +Ink Dim sets the frontlight below the lowest level of the system. + +Tap the icon. The light goes to the lowest level the hardware still lights. Tap +it again. The light goes back to the level the system holds. + +The app has no screen. The icon is the whole app. The value holds across sleep, +until the system brightness is next set. + +The system will not set the frontlight below its own floor, so Ink Dim writes +the light of the panel straight. That file belongs to the system, so the app +needs a shell. Shizuku gives it one. Shizuku is a separate free app that you +start from the device through wireless debugging. There is no computer and no +root. + +There is a quick settings tile, "Extra dim". There are three intent actions, so +a key remapper can put the toggle on a hardware button: +dev.equwal.inkdim.TOGGLE, dev.equwal.inkdim.ON and dev.equwal.inkdim.OFF. + +A long press on the icon opens a settings screen. It shows the state and the +steps to set Shizuku up. + +Made for the Viwoods AiPaper readers. Other devices can have no light that the +app knows. Then the settings screen says so. + +Ink Dim collects nothing. It has no INTERNET permission, no advertisements and +no analytics. + +Free software, GPL-3.0-or-later. diff --git a/fastlane/metadata/android/en-US/short_description.txt b/fastlane/metadata/android/en-US/short_description.txt new file mode 100644 index 0000000..1ae1104 --- /dev/null +++ b/fastlane/metadata/android/en-US/short_description.txt @@ -0,0 +1 @@ +Sets the frontlight below the lowest level of the system. Tap to toggle. diff --git a/fastlane/metadata/android/en-US/title.txt b/fastlane/metadata/android/en-US/title.txt new file mode 100644 index 0000000..3526819 --- /dev/null +++ b/fastlane/metadata/android/en-US/title.txt @@ -0,0 +1 @@ +Ink Dim diff --git a/fdroid/README.md b/fdroid/README.md new file mode 100644 index 0000000..950ebed --- /dev/null +++ b/fdroid/README.md @@ -0,0 +1,8 @@ +# How to submit Ink Dim to F-Droid + +1. Tag the release `v0.1.0` and push the tag. +2. Fork `fdroid/fdroiddata` on GitLab, then clone your fork. +3. Copy `dev.equwal.inkdim.yml` into `metadata/` of your clone. +4. Run `fdroid readmeta` and `fdroid lint dev.equwal.inkdim` to check it. +5. Commit on a new branch and push it to your fork. +6. Open a merge request against `fdroid/fdroiddata`. diff --git a/fdroid/dev.equwal.inkdim.yml b/fdroid/dev.equwal.inkdim.yml new file mode 100644 index 0000000..5c8f4bb --- /dev/null +++ b/fdroid/dev.equwal.inkdim.yml @@ -0,0 +1,27 @@ +Categories: + - System +License: GPL-3.0-or-later +AuthorName: equwal +AuthorEmail: truex@equwal.com +SourceCode: https://github.com/equwal/ink-dim +IssueTracker: https://github.com/equwal/ink-dim/issues +Changelog: https://github.com/equwal/ink-dim/blob/main/CHANGELOG.md +Donate: https://ko-fi.com/truex + +AutoName: Ink Dim + +RepoType: git +Repo: https://github.com/equwal/ink-dim.git + +Builds: + - versionName: 0.1.0 + versionCode: 1 + commit: v0.1.0 + subdir: app + gradle: + - yes + +AutoUpdateMode: Version +UpdateCheckMode: Tags +CurrentVersion: 0.1.0 +CurrentVersionCode: 1 diff --git a/gradle.properties b/gradle.properties new file mode 100644 index 0000000..3f6f2ce --- /dev/null +++ b/gradle.properties @@ -0,0 +1,6 @@ +org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8 +org.gradle.parallel=true +org.gradle.caching=true +android.useAndroidX=true +android.nonTransitiveRClass=true +kotlin.code.style=official diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar new file mode 100644 index 0000000..eddabd2 Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..fec70bd --- /dev/null +++ b/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,9 @@ +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.3-bin.zip +networkTimeout=10000 +retries=0 +retryBackOffMs=500 +validateDistributionUrl=true +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists diff --git a/gradlew b/gradlew new file mode 100755 index 0000000..249efbb --- /dev/null +++ b/gradlew @@ -0,0 +1,248 @@ +#!/bin/sh + +# +# Copyright © 2015 the original authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# https://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# +# SPDX-License-Identifier: Apache-2.0 +# + +############################################################################## +# +# gradlew start up script for POSIX generated by Gradle. +# +# Important for running: +# +# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is +# noncompliant, but you have some other compliant shell such as ksh or +# bash, then to run this script, type that shell name before the whole +# command line, like: +# +# ksh gradlew +# +# Busybox and similar reduced shells will NOT work, because this script +# requires all of these POSIX shell features: +# * functions; +# * expansions «$var», «${var}», «${var:-default}», «${var+SET}», +# «${var#prefix}», «${var%suffix}», and «$( cmd )»; +# * compound commands having a testable exit status, especially «case»; +# * various built-in commands including «command», «set», and «ulimit». +# +# Important for patching: +# +# (2) This script targets any POSIX shell, so it avoids extensions provided +# by Bash, Ksh, etc; in particular arrays are avoided. +# +# The "traditional" practice of packing multiple parameters into a +# space-separated string is a well documented source of bugs and security +# problems, so this is (mostly) avoided, by progressively accumulating +# options in "$@", and eventually passing that to Java. +# +# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS, +# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly; +# see the in-line comments for details. +# +# There are tweaks for specific operating systems such as AIX, CygWin, +# Darwin, MinGW, and NonStop. +# +# (3) This script is generated from the Groovy template +# https://github.com/gradle/gradle/blob/3d91ce3b8caaf77ad09f381f43615b715b53f72c/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt +# within the Gradle project. +# +# You can find Gradle at https://github.com/gradle/gradle/. +# +############################################################################## + +# Attempt to set APP_HOME + +# Resolve links: $0 may be a link +app_path=$0 + +# Need this for daisy-chained symlinks. +while + APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path + [ -h "$app_path" ] +do + ls=$( ls -ld "$app_path" ) + link=${ls#*' -> '} + case $link in #( + /*) app_path=$link ;; #( + *) app_path=$APP_HOME$link ;; + esac +done + +# This is normally unused +# shellcheck disable=SC2034 +APP_BASE_NAME=${0##*/} +# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036) +APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s\n' "$PWD" ) || exit + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD=maximum + +warn () { + echo "$*" +} >&2 + +die () { + echo + echo "$*" + echo + exit 1 +} >&2 + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +nonstop=false +case "$( uname )" in #( + CYGWIN* ) cygwin=true ;; #( + Darwin* ) darwin=true ;; #( + MSYS* | MINGW* ) msys=true ;; #( + NONSTOP* ) nonstop=true ;; +esac + + + +# Determine the Java command to use to start the JVM. +if [ -n "$JAVA_HOME" ] ; then + if [ -x "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD=$JAVA_HOME/jre/sh/java + else + JAVACMD=$JAVA_HOME/bin/java + fi + if [ ! -x "$JAVACMD" ] ; then + die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD=java + if ! command -v java >/dev/null 2>&1 + then + die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +fi + +# Increase the maximum file descriptors if we can. +if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then + case $MAX_FD in #( + max*) + # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked. + # shellcheck disable=SC2039,SC3045 + MAX_FD=$( ulimit -H -n ) || + warn "Could not query maximum file descriptor limit" + esac + case $MAX_FD in #( + '' | soft) :;; #( + *) + # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked. + # shellcheck disable=SC2039,SC3045 + ulimit -n "$MAX_FD" || + warn "Could not set maximum file descriptor limit to $MAX_FD" + esac +fi + +# Collect all arguments for the java command, stacking in reverse order: +# * args from the command line +# * the main class name +# * -classpath +# * -D...appname settings +# * --module-path (only if needed) +# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables. + +# For Cygwin or MSYS, switch paths to Windows format before running java +if "$cygwin" || "$msys" ; then + APP_HOME=$( cygpath --path --mixed "$APP_HOME" ) + + JAVACMD=$( cygpath --unix "$JAVACMD" ) + + # Now convert the arguments - kludge to limit ourselves to /bin/sh + for arg do + if + case $arg in #( + -*) false ;; # don't mess with options #( + /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath + [ -e "$t" ] ;; #( + *) false ;; + esac + then + arg=$( cygpath --path --ignore --mixed "$arg" ) + fi + # Roll the args list around exactly as many times as the number of + # args, so each arg winds up back in the position where it started, but + # possibly modified. + # + # NB: a `for` loop captures its iteration list before it begins, so + # changing the positional parameters here affects neither the number of + # iterations, nor the values presented in `arg`. + shift # remove old arg + set -- "$@" "$arg" # push replacement arg + done +fi + + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' + +# Collect all arguments for the java command: +# * DEFAULT_JVM_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments, +# and any embedded shellness will be escaped. +# * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be +# treated as '${Hostname}' itself on the command line. + +set -- \ + "-Dorg.gradle.appname=$APP_BASE_NAME" \ + -jar "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" \ + "$@" + +# Stop when "xargs" is not available. +if ! command -v xargs >/dev/null 2>&1 +then + die "xargs is not available" +fi + +# Use "xargs" to parse quoted args. +# +# With -n1 it outputs one arg per line, with the quotes and backslashes removed. +# +# In Bash we could simply go: +# +# readarray ARGS < <( xargs -n1 <<<"$var" ) && +# set -- "${ARGS[@]}" "$@" +# +# but POSIX shell has neither arrays nor command substitution, so instead we +# post-process each arg (as a line of input to sed) to backslash-escape any +# character that might be a shell metacharacter, then use eval to reverse +# that process (while maintaining the separation between arguments), and wrap +# the whole thing up as a single "set" statement. +# +# This will of course break if any of these variables contains a newline or +# an unmatched quote. +# + +eval "set -- $( + printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" | + xargs -n1 | + sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' | + tr '\n' ' ' + )" '"$@"' + +exec "$JAVACMD" "$@" diff --git a/gradlew.bat b/gradlew.bat new file mode 100644 index 0000000..a51ec4f --- /dev/null +++ b/gradlew.bat @@ -0,0 +1,82 @@ +@rem +@rem Copyright 2015 the original author or authors. +@rem +@rem Licensed under the Apache License, Version 2.0 (the "License"); +@rem you may not use this file except in compliance with the License. +@rem You may obtain a copy of the License at +@rem +@rem https://www.apache.org/licenses/LICENSE-2.0 +@rem +@rem Unless required by applicable law or agreed to in writing, software +@rem distributed under the License is distributed on an "AS IS" BASIS, +@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +@rem See the License for the specific language governing permissions and +@rem limitations under the License. +@rem +@rem SPDX-License-Identifier: Apache-2.0 +@rem + +@if "%DEBUG%"=="" @echo off +@rem ########################################################################## +@rem +@rem gradlew startup script for Windows +@rem +@rem ########################################################################## + +@rem Set local scope for the variables, and ensure extensions are enabled +setlocal EnableExtensions + +set DIRNAME=%~dp0 +if "%DIRNAME%"=="" set DIRNAME=. +@rem This is normally unused +set APP_BASE_NAME=%~n0 +set APP_HOME=%DIRNAME% + +@rem Resolve any "." and ".." in APP_HOME to make it shorter. +for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi + +@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if %ERRORLEVEL% equ 0 goto execute + +echo. 1>&2 +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2 +echo. 1>&2 +echo Please set the JAVA_HOME variable in your environment to match the 1>&2 +echo location of your Java installation. 1>&2 + +"%COMSPEC%" /c exit 1 + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto execute + +echo. 1>&2 +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2 +echo. 1>&2 +echo Please set the JAVA_HOME variable in your environment to match the 1>&2 +echo location of your Java installation. 1>&2 + +"%COMSPEC%" /c exit 1 + +:execute +@rem Setup the command line + + + +@rem Execute gradlew +@rem endlocal doesn't take effect until after the line is parsed and variables are expanded +@rem which allows us to clear the local environment before executing the java command +endlocal & "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -jar "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" %* & call :exitWithErrorLevel + +:exitWithErrorLevel +@rem Use "%COMSPEC%" /c exit to allow operators to work properly in scripts +"%COMSPEC%" /c exit %ERRORLEVEL% diff --git a/settings.gradle.kts b/settings.gradle.kts new file mode 100644 index 0000000..1049aff --- /dev/null +++ b/settings.gradle.kts @@ -0,0 +1,24 @@ +pluginManagement { + repositories { + google { + content { + includeGroupByRegex("com\\.android.*") + includeGroupByRegex("com\\.google.*") + includeGroupByRegex("androidx.*") + } + } + mavenCentral() + gradlePluginPortal() + } +} + +dependencyResolutionManagement { + repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS) + repositories { + google() + mavenCentral() + } +} + +rootProject.name = "InkDim" +include(":app")