Initial import from killapp

.gitignore

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+.gradle/
+build/
+app/build/
+local.properties

app/build.gradle.kts

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+import java.io.File
+import java.util.Properties
+
+plugins {
+    id("com.android.application")
+}
+
+val releaseSigningProperties = Properties()
+val releaseSigningPropertiesFile = File(
+    System.getProperty("user.home"),
+    ".config/android/release-signing.properties"
+)
+if (releaseSigningPropertiesFile.isFile) {
+    releaseSigningPropertiesFile.inputStream().use(releaseSigningProperties::load)
+}
+
+val releaseKeystorePath = releaseSigningProperties.getProperty("storeFile")
+val releaseKeyAlias = releaseSigningProperties.getProperty("keyAlias")
+val releaseStorePassword = providers.gradleProperty("androidReleaseStorePassword").orNull
+val releaseKeyPassword = providers.gradleProperty("androidReleaseKeyPassword").orNull
+val hasSharedReleaseSigningConfig =
+    !releaseKeystorePath.isNullOrBlank() && !releaseKeyAlias.isNullOrBlank()
+val hasSharedReleaseSigningSecrets =
+    !releaseStorePassword.isNullOrBlank() && !releaseKeyPassword.isNullOrBlank()
+val requestedTaskNames = gradle.startParameter.taskNames.map(String::lowercase)
+val releaseBuildRequested = requestedTaskNames.any { "release" in it }
+
+if (releaseBuildRequested && (!hasSharedReleaseSigningConfig || !hasSharedReleaseSigningSecrets)) {
+    error(
+        "Release signing is not configured. " +
+            "Create ~/.config/android/release-signing.properties and provide " +
+            "androidReleaseStorePassword/androidReleaseKeyPassword."
+    )
+}
+
+android {
+    namespace = "se.ajpanton.killappnow"
+    compileSdk = 36
+    dependenciesInfo {
+        includeInApk = false
+        includeInBundle = false
+    }
+
+    signingConfigs {
+        if (hasSharedReleaseSigningConfig && hasSharedReleaseSigningSecrets) {
+            create("release") {
+                storeFile = file(releaseKeystorePath!!)
+                storePassword = releaseStorePassword
+                keyAlias = releaseKeyAlias
+                keyPassword = releaseKeyPassword
+            }
+        }
+    }
+
+    defaultConfig {
+        applicationId = "se.ajpanton.killappnow"
+        minSdk = 35
+        targetSdk = 35
+        versionCode = 1702
+        versionName = "17.2"
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = true
+            isShrinkResources = true
+            if (hasSharedReleaseSigningConfig && hasSharedReleaseSigningSecrets) {
+                signingConfig = signingConfigs.getByName("release")
+            }
+            proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro")
+        }
+    }
+    packaging {
+        resources {
+            merges += "META-INF/xposed/*"
+            // Not needed as long as we don't use reflection with Kotlin
+            excludes.add("**/*.kotlin_builtins")
+            excludes.add("**/*.kotlin_module")
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
+    }
+}
+
+dependencies {
+
+    implementation("androidx.annotation:annotation:1.7.1")
+    implementation("org.lsposed.hiddenapibypass:hiddenapibypass:6.1")
+    compileOnly("io.github.libxposed:api:101.0.0")
+
+    testImplementation("junit:junit:4.13.2")
+    androidTestImplementation("androidx.test.ext:junit:1.1.5")
+    androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
+}

app/proguard-rules.pro

@@ -0,0 +1,28 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
+
+-dontobfuscate
+
+-keep class se.ajpanton.killappnow.KillAppNow
+-keepclassmembers class se.ajpanton.killappnow.KillAppNow {
+    public <init>();
+}

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <uses-permission android:name="android.permission.KILL_BACKGROUND_PROCESSES" />
+    <application
+        android:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:description="@string/xposed_desc"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true" />
+
+</manifest>

app/src/main/java/se/ajpanton/killappnow/KillAppNow.java

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+package se.ajpanton.killappnow;
+
+import android.app.ActivityManager;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.os.Handler;
+import android.os.Looper;
+import android.util.Log;
+import android.view.KeyEvent;
+import android.view.View;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+
+import io.github.libxposed.api.XposedModule;
+import org.lsposed.hiddenapibypass.HiddenApiBypass;
+
+public class KillAppNow extends XposedModule {
+
+    private static final String TAG = "KillAppNow";
+    private static final String SYSTEMUI_PACKAGE = "com.android.systemui";
+    private static final String SAMSUNG_LAUNCHER_PACKAGE = "com.sec.android.app.launcher";
+    private static final String HONEYSPACE_NAV_BUTTON_VIEW =
+            "com.honeyspace.ui.honeypots.taskbar.presentation.NavigationBarKeyButtonView";
+    private static final String HONEYSPACE_LONG_PRESS_RUNNABLE = "f.a";
+    private static final int HONEYSPACE_LONG_PRESS_CASE = 8;
+
+    private Context mContext;
+    private Handler mMainHandler;
+    private boolean mSystemUiHookInstalled;
+    private boolean mLauncherHookInstalled;
+
+    public KillAppNow() {
+        // LSPosed loads modern module entries reflectively via a public no-arg constructor.
+    }
+
+    @Override
+    public void onModuleLoaded(@NonNull ModuleLoadedParam param) {
+        if (!HiddenApiBypass.addHiddenApiExemptions("")) {
+            log("HiddenApiBypass could not be enabled.");
+        }
+    }
+
+    @Override
+    public void onPackageLoaded(@NonNull PackageLoadedParam param) {
+        handleTargetPackage(param.getPackageName(), param.getDefaultClassLoader());
+    }
+
+    @Override
+    public void onPackageReady(@NonNull PackageReadyParam param) {
+        handleTargetPackage(param.getPackageName(), param.getClassLoader());
+    }
+
+    private void handleTargetPackage(String packageName, ClassLoader classLoader) {
+        if (SYSTEMUI_PACKAGE.equals(packageName)) {
+            if (mSystemUiHookInstalled) {
+                return;
+            }
+            initContextAndHandler();
+            mSystemUiHookInstalled = hookSystemUiBackLongPress(classLoader);
+            return;
+        }
+
+        if (SAMSUNG_LAUNCHER_PACKAGE.equals(packageName)) {
+            if (mLauncherHookInstalled) {
+                return;
+            }
+            initContextAndHandler();
+            mLauncherHookInstalled = hookHoneyspaceTaskbar(classLoader);
+        }
+    }
+
+    private void initContextAndHandler() {
+        if (mContext == null) {
+            mContext = getCurrentApplication();
+        }
+        if (mMainHandler == null) {
+            mMainHandler = new Handler(Looper.getMainLooper());
+        }
+    }
+
+    private Context getCurrentApplication() {
+        try {
+            Object application = callStaticMethod(
+                    findClass("android.app.ActivityThread", null),
+                    "currentApplication");
+            return application instanceof Context ? (Context) application : null;
+        } catch (Throwable t) {
+            log("currentApplication lookup failed: " + t.getClass().getSimpleName());
+            return null;
+        }
+    }
+
+    private boolean hookSystemUiBackLongPress(ClassLoader classLoader) {
+        Class<?> runnableClass = findClassIfExists(
+                "com.android.systemui.navigationbar.views.buttons.KeyButtonView$1", classLoader);
+        if (runnableClass == null) {
+            log("SystemUI long-press runnable not found.");
+            return false;
+        }
+
+        Method runMethod = findMethodIfExists(runnableClass, "run");
+        if (runMethod == null) {
+            log("SystemUI run() method not found.");
+            return false;
+        }
+
+        deoptimizeMethodIfPresent(findMethodIfExists(Handler.class, "dispatchMessage", android.os.Message.class));
+        deoptimizeMethodIfPresent(findMethodIfExists(Handler.class, "handleCallback", android.os.Message.class));
+        deoptimizeMethodIfPresent(runMethod);
+
+        hook(runMethod).intercept(chain -> {
+            Object keyButtonView = getFieldValue(chain.getThisObject(), "this$0");
+            int code = getIntField(keyButtonView, "mCode");
+            if (code != KeyEvent.KEYCODE_BACK) {
+                return chain.proceed();
+            }
+
+            updateContextFromView(keyButtonView);
+            markSystemUiLongClicked(keyButtonView);
+            killForegroundApp();
+            return null;
+        });
+        return true;
+    }
+
+    private boolean hookHoneyspaceTaskbar(ClassLoader classLoader) {
+        Class<?> navButtonClass = findClassIfExists(HONEYSPACE_NAV_BUTTON_VIEW, classLoader);
+        if (navButtonClass == null) {
+            log("Launcher class not found: " + HONEYSPACE_NAV_BUTTON_VIEW);
+            return false;
+        }
+
+        Class<?> runnableClass = findClassIfExists(HONEYSPACE_LONG_PRESS_RUNNABLE, classLoader);
+        if (runnableClass == null) {
+            log("Launcher long-press runnable not found: " + HONEYSPACE_LONG_PRESS_RUNNABLE);
+            return false;
+        }
+
+        Method runMethod = findMethodIfExists(runnableClass, "run");
+        if (runMethod == null) {
+            log("Launcher run() method not found.");
+            return false;
+        }
+
+        deoptimizeMethodIfPresent(findMethodIfExists(Handler.class, "dispatchMessage", android.os.Message.class));
+        deoptimizeMethodIfPresent(findMethodIfExists(Handler.class, "handleCallback", android.os.Message.class));
+        deoptimizeMethodIfPresent(runMethod);
+
+        hook(runMethod).intercept(chain -> {
+            int caseId = getIntField(chain.getThisObject(), "b");
+            if (caseId != HONEYSPACE_LONG_PRESS_CASE) {
+                return chain.proceed();
+            }
+
+            Object target = getFieldValue(chain.getThisObject(), "c");
+            if (!navButtonClass.isInstance(target)) {
+                return chain.proceed();
+            }
+
+            int keyCode = ((Integer) callMethod(target, "getKeyCode")).intValue();
+            if (keyCode != KeyEvent.KEYCODE_BACK) {
+                return chain.proceed();
+            }
+
+            updateContextFromView(target);
+            markHoneyspaceLongClicked(target);
+            killForegroundApp();
+            return null;
+        });
+        return true;
+    }
+
+    private void markSystemUiLongClicked(Object keyButtonView) {
+        setBooleanField(keyButtonView, "mLongClicked", true);
+    }
+
+    private void markHoneyspaceLongClicked(Object navButtonView) {
+        try {
+            callMethod(navButtonView, "setLongClicked", new Class<?>[]{boolean.class}, true);
+        } catch (Throwable t) {
+            log("setLongClicked failed: " + t.getClass().getSimpleName());
+        }
+    }
+
+    private void updateContextFromView(Object view) {
+        View v = (View) view;
+        Context ctx = v.getContext();
+        Context appCtx = ctx.getApplicationContext();
+        mContext = appCtx != null ? appCtx : ctx;
+    }
+
+    private void killForegroundApp() {
+        if (mMainHandler == null) {
+            initContextAndHandler();
+        }
+        if (mMainHandler == null) {
+            log("Main handler unavailable.");
+            return;
+        }
+        mMainHandler.post(() -> {
+            try {
+                if (mContext == null) {
+                    log("Context unavailable, cannot kill app.");
+                    return;
+                }
+                ActivityManager am = (ActivityManager) mContext.getSystemService(Context.ACTIVITY_SERVICE);
+                String defaultLauncher = getDefaultLauncherPackageName();
+                String foregroundApp = getTopPackageName();
+                if (foregroundApp != null && !shouldSkipPackage(foregroundApp, defaultLauncher)) {
+                    String appLabel = getApplicationLabel(foregroundApp, mContext.getPackageManager());
+                    log("Killing: " + foregroundApp + " (" + appLabel + ")");
+                    callMethod(am, "forceStopPackage", new Class<?>[]{String.class}, foregroundApp);
+                    showToast("Killed: " + appLabel);
+                } else {
+                    log("Nothing to kill.");
+                    showToast("Nothing to kill.");
+                }
+            } catch (Throwable t) {
+                Log.e(TAG, "Error in killForegroundApp", t);
+                log("Error in killForegroundApp", t);
+            }
+        });
+    }
+
+    private String getDefaultLauncherPackageName() {
+        Intent intent = new Intent(Intent.ACTION_MAIN);
+        intent.addCategory(Intent.CATEGORY_HOME);
+        ResolveInfo resolveInfo = mContext.getPackageManager()
+                .resolveActivity(intent, PackageManager.MATCH_DEFAULT_ONLY);
+        if (resolveInfo != null) {
+            return resolveInfo.activityInfo.packageName;
+        }
+        return null;
+    }
+
+    private String getTopPackageName() {
+        return getTopPackageFromActivityTaskManager();
+    }
+
+    private String getTopPackageFromActivityTaskManager() {
+        try {
+            Object service = callStaticMethod(
+                    findClass("android.app.ActivityTaskManager", null),
+                    "getService");
+            Object taskInfo = callMethod(service, "getFocusedRootTaskInfo");
+            return extractPackageFromTaskInfo(taskInfo);
+        } catch (Throwable t) {
+            log("ActivityTaskManager.getFocusedRootTaskInfo failed: " + t.getClass().getSimpleName());
+            return null;
+        }
+    }
+
+    private String extractPackageFromTaskInfo(Object taskInfo) {
+        if (taskInfo == null) {
+            return null;
+        }
+
+        String pkg = getPackageNameFromComponent(getFieldValue(taskInfo, "topActivity"));
+        if (pkg != null) {
+            return pkg;
+        }
+        return getPackageNameFromActivityInfo(getFieldValue(taskInfo, "topActivityInfo"));
+    }
+
+    private Object getFieldValue(Object target, String fieldName) {
+        if (target == null) {
+            return null;
+        }
+        try {
+            return findField(target.getClass(), fieldName).get(target);
+        } catch (Throwable t) {
+            return null;
+        }
+    }
+
+    private int getIntField(Object target, String fieldName) {
+        Object value = getFieldValue(target, fieldName);
+        return value instanceof Integer ? (Integer) value : Integer.MIN_VALUE;
+    }
+
+    private String getPackageNameFromComponent(Object component) {
+        if (component instanceof ComponentName) {
+            return ((ComponentName) component).getPackageName();
+        }
+        return null;
+    }
+
+    private String getPackageNameFromActivityInfo(Object info) {
+        if (info == null) {
+            return null;
+        }
+        try {
+            Object pkg = findField(info.getClass(), "packageName").get(info);
+            return pkg != null ? pkg.toString() : null;
+        } catch (Throwable t) {
+            return null;
+        }
+    }
+
+    private boolean shouldSkipPackage(String packageName, String defaultLauncher) {
+        if (packageName == null) {
+            return true;
+        }
+        if (SYSTEMUI_PACKAGE.equals(packageName)) {
+            return true;
+        }
+        if (SAMSUNG_LAUNCHER_PACKAGE.equals(packageName)) {
+            return true;
+        }
+        return defaultLauncher != null && defaultLauncher.equals(packageName);
+    }
+
+    private String getApplicationLabel(String packageName, PackageManager pm) {
+        try {
+            ApplicationInfo appInfo = pm.getApplicationInfo(packageName, 0);
+            return (String) pm.getApplicationLabel(appInfo);
+        } catch (PackageManager.NameNotFoundException e) {
+            return packageName;
+        }
+    }
+
+    private void showToast(String message) {
+        try {
+            Toast.makeText(mContext, message, Toast.LENGTH_SHORT).show();
+        } catch (Throwable t) {
+            log("Toast failed: " + t.getClass().getSimpleName());
+        }
+    }
+
+    private void log(String message) {
+        log(Log.INFO, TAG, message);
+    }
+
+    private void log(String message, Throwable t) {
+        log(Log.ERROR, TAG, message, t);
+    }
+
+    private void deoptimizeMethodIfPresent(Method method) {
+        if (method != null) {
+            deoptimize(method);
+        }
+    }
+
+    private Class<?> findClass(String className, ClassLoader classLoader) throws ClassNotFoundException {
+        return Class.forName(className, false, classLoader);
+    }
+
+    private Class<?> findClassIfExists(String className, ClassLoader classLoader) {
+        try {
+            return findClass(className, classLoader);
+        } catch (Throwable t) {
+            return null;
+        }
+    }
+
+    private Method findMethodIfExists(Class<?> clazz, String methodName, Class<?>... parameterTypes) {
+        try {
+            return findMethod(clazz, methodName, parameterTypes);
+        } catch (Throwable t) {
+            return null;
+        }
+    }
+
+    private Method findMethod(Class<?> clazz, String methodName, Class<?>... parameterTypes)
+            throws NoSuchMethodException {
+        for (Class<?> current = clazz; current != null; current = current.getSuperclass()) {
+            try {
+                Method method = current.getDeclaredMethod(methodName, parameterTypes);
+                method.setAccessible(true);
+                return method;
+            } catch (NoSuchMethodException ignored) {
+                // Continue searching the class hierarchy.
+            }
+        }
+        throw new NoSuchMethodException(clazz.getName() + "#" + methodName);
+    }
+
+    private Field findField(Class<?> clazz, String fieldName) throws NoSuchFieldException {
+        for (Class<?> current = clazz; current != null; current = current.getSuperclass()) {
+            try {
+                Field field = current.getDeclaredField(fieldName);
+                field.setAccessible(true);
+                return field;
+            } catch (NoSuchFieldException ignored) {
+                // Continue searching the class hierarchy.
+            }
+        }
+        throw new NoSuchFieldException(clazz.getName() + "#" + fieldName);
+    }
+
+    private Object callStaticMethod(Class<?> clazz, String methodName)
+            throws ReflectiveOperationException {
+        return findMethod(clazz, methodName).invoke(null);
+    }
+
+    private Object callMethod(Object target, String methodName)
+            throws ReflectiveOperationException {
+        return callMethod(target, methodName, new Class<?>[0]);
+    }
+
+    private Object callMethod(Object target, String methodName, Class<?>[] parameterTypes, Object... args)
+            throws ReflectiveOperationException {
+        return findMethod(target.getClass(), methodName, parameterTypes).invoke(target, args);
+    }
+
+    private void setBooleanField(Object target, String fieldName, boolean value) {
+        try {
+            findField(target.getClass(), fieldName).setBoolean(target, value);
+        } catch (Throwable t) {
+            log("Failed to set " + fieldName, t);
+        }
+    }
+}

app/src/main/res/drawable/ic_launcher_background.xml

@@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<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="#3DDC84"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+</vector>

app/src/main/res/drawable/ic_launcher_foreground.xml

@@ -0,0 +1,30 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="85.84757"
+                android:endY="92.4963"
+                android:startX="42.9492"
+                android:startY="49.59793"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>

app/src/main/res/mipmap-anydpi/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="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>

app/src/main/res/mipmap-anydpi/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="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>

app/src/main/res/values/strings.xml

@@ -0,0 +1,4 @@
+<resources>
+    <string name="app_name">KillAppNow</string>
+    <string name="xposed_desc">Kill foreground app on "Back" button long-press.</string>
+</resources>

app/src/main/res/xml/backup_rules.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample backup rules file; uncomment and customize as necessary.
+   See https://developer.android.com/guide/topics/data/autobackup
+   for details.
+   Note: This file is ignored for devices older that API 31
+   See https://developer.android.com/about/versions/12/backup-restore
+-->
+<full-backup-content>
+    <!--
+   <include domain="sharedpref" path="."/>
+   <exclude domain="sharedpref" path="device.xml"/>
+-->
+</full-backup-content>

app/src/main/res/xml/data_extraction_rules.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample data extraction rules file; uncomment and customize as necessary.
+   See https://developer.android.com/about/versions/12/backup-restore#xml-changes
+   for details.
+-->
+<data-extraction-rules>
+    <cloud-backup>
+        <!-- TODO: Use <include> and <exclude> to control what is backed up.
+        <include .../>
+        <exclude .../>
+        -->
+    </cloud-backup>
+    <!--
+    <device-transfer>
+        <include .../>
+        <exclude .../>
+    </device-transfer>
+    -->
+</data-extraction-rules>

app/src/main/resources/META-INF/xposed/java_init.list

@@ -0,0 +1 @@
+se.ajpanton.killappnow.KillAppNow

app/src/main/resources/META-INF/xposed/module.prop

@@ -0,0 +1,3 @@
+minApiVersion=101
+targetApiVersion=101
+staticScope=true

app/src/main/resources/META-INF/xposed/scope.list

@@ -0,0 +1,2 @@
+com.android.systemui
+com.sec.android.app.launcher

build.gradle.kts

@@ -0,0 +1,4 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+plugins {
+    id("com.android.application") version "9.1.1" apply false
+}

gradle.properties

@@ -0,0 +1,21 @@
+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app's APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
+android.useAndroidX=true
+# Enables namespacing of each library's R class so that its R class includes only the
+# resources declared in the library itself and none from the library's dependencies,
+# thereby reducing the size of the R class for that library
+android.nonTransitiveRClass=true

gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,6 @@
+#Tue Jan 13 07:04:02 EET 2026
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.3.1-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

gradlew

@@ -0,0 +1,185 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or 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.
+#
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# 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: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=`expr $i + 1`
+    done
+    case $i in
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"

settings.gradle.kts

@@ -0,0 +1,17 @@
+pluginManagement {
+    repositories {
+        google()
+        mavenCentral()
+        gradlePluginPortal()
+    }
+}
+dependencyResolutionManagement {
+    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+rootProject.name = "KillAppNow"
+include(":app")