Framework: Forward port Long press back to kill app (2/2) (bed8ca15) · Commits · e / os / android_frameworks_base

core/java/android/provider/Settings.java

+6 −0

Original line number	Diff line number	Diff line
		@@ -5028,6 +5028,12 @@ public final class Settings {
		*/
		public static final String SCREENSAVER_DEFAULT_COMPONENT = "screensaver_default_component";

		/**
		* Whether to allow killing of the foreground app by long-pressing the Back button
		* @hide
		*/
		public static final String KILL_APP_LONGPRESS_BACK = "kill_app_longpress_back";

		/**
		* The default NFC payment component
		* @hide

core/res/res/values/cm_strings.xml

+2 −0

Original line number	Diff line number	Diff line
		@@ -77,4 +77,6 @@
		<!-- Button to soft reboot the device, within the Reboot Options dialog -->
		<string name="reboot_soft">Soft reboot</string>

		<!-- Long-press back kill application -->
		<string name="app_killed_message">Application killed</string>
		</resources>

core/res/res/values/config.xml

+5 −0

Original line number	Diff line number	Diff line
		@@ -2081,4 +2081,9 @@
		-->
		<bool name="config_proximityCheckOnWake">false</bool>
		<integer name="config_proximityCheckTimeout">250</integer>

		<!-- Timeout in MS for how long you have to long-press the back key to
		kill the foreground app. -->
		<integer name="config_backKillTimeout">2000</integer>

		</resources>

core/res/res/values/symbols.xml

+7 −0

Original line number	Diff line number	Diff line
		@@ -2199,4 +2199,11 @@

		<!-- Proximity check timeout -->
		<java-symbol type="integer" name="config_proximityCheckTimeout" />

		<!-- Developer settings - Kill app back press -->
		<java-symbol type="string" name="app_killed_message" />

		<!-- Config.xml entries -->
		<java-symbol type="integer" name="config_backKillTimeout" />

		</resources>

policy/src/com/android/internal/policy/impl/PhoneWindowManager.java

+62 −0

Original line number	Diff line number	Diff line
		@@ -16,7 +16,9 @@
		package com.android.internal.policy.impl;

		import android.app.ActivityManager;
		import android.app.ActivityManager.RunningAppProcessInfo;
		import android.app.ActivityManagerNative;
		import android.app.IActivityManager;
		import android.app.AppOpsManager;
		import android.app.IUiModeManager;
		import android.app.ProgressDialog;
		@@ -57,6 +59,7 @@ import android.os.Looper;
		import android.os.Message;
		import android.os.Messenger;
		import android.os.PowerManager;
		import android.os.Process;
		import android.os.RemoteException;
		import android.os.ServiceManager;
		import android.os.SystemClock;
		@@ -103,6 +106,7 @@ import android.view.accessibility.AccessibilityManager;
		import android.view.animation.Animation;
		import android.view.animation.AnimationSet;
		import android.view.animation.AnimationUtils;
		import android.widget.Toast;

		import com.android.internal.R;
		import com.android.internal.os.DeviceKeyHandler;
		@@ -388,6 +392,7 @@ public class PhoneWindowManager implements WindowManagerPolicy {
		int mCurrentAppOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
		boolean mHasSoftInput = false;
		boolean mTranslucentDecorEnabled = true;
		int mBackKillTimeout;

		int mDeviceHardwareKeys;

		@@ -1069,6 +1074,50 @@ public class PhoneWindowManager implements WindowManagerPolicy {
		mHandler.sendEmptyMessage(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
		}

		Runnable mBackLongPress = new Runnable() {
		public void run() {
		try {
		final Intent intent = new Intent(Intent.ACTION_MAIN);
		String defaultHomePackage = "com.android.launcher";
		intent.addCategory(Intent.CATEGORY_HOME);
		final ResolveInfo res = mContext.getPackageManager().resolveActivity(intent, 0);
		if (res.activityInfo != null && !res.activityInfo.packageName.equals("android")) {
		defaultHomePackage = res.activityInfo.packageName;
		}
		boolean targetKilled = false;
		IActivityManager am = ActivityManagerNative.getDefault();
		List<RunningAppProcessInfo> apps = am.getRunningAppProcesses();
		for (RunningAppProcessInfo appInfo : apps) {
		int uid = appInfo.uid;
		// Make sure it's a foreground user application (not system,
		// root, phone, etc.)
		if (uid >= Process.FIRST_APPLICATION_UID && uid <= Process.LAST_APPLICATION_UID
		&& appInfo.importance == RunningAppProcessInfo.IMPORTANCE_FOREGROUND) {
		if (appInfo.pkgList != null && (appInfo.pkgList.length > 0)) {
		for (String pkg : appInfo.pkgList) {
		if (!pkg.equals("com.android.systemui") && !pkg.equals(defaultHomePackage)) {
		am.forceStopPackage(pkg, UserHandle.USER_CURRENT);
		targetKilled = true;
		break;
		}
		}
		} else {
		Process.killProcess(appInfo.pid);
		targetKilled = true;
		}
		}
		if (targetKilled) {
		performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
		Toast.makeText(mContext, R.string.app_killed_message, Toast.LENGTH_SHORT).show();
		break;
		}
		}
		} catch (RemoteException remoteException) {
		// Do nothing; just let it go.
		}
		}
		};

		void showGlobalActionsInternal() {
		sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
		if (mGlobalActions == null) {
		@@ -1220,6 +1269,8 @@ public class PhoneWindowManager implements WindowManagerPolicy {
		com.android.internal.R.bool.config_enableTranslucentDecor);
		mDeviceHardwareKeys = mContext.getResources().getInteger(
		com.android.internal.R.integer.config_deviceHardwareKeys);
		mBackKillTimeout = mContext.getResources().getInteger(
		com.android.internal.R.integer.config_backKillTimeout);

		updateKeyAssignments();

		@@ -2503,6 +2554,10 @@ public class PhoneWindowManager implements WindowManagerPolicy {
		mPendingMetaAction = false;
		}

		if (keyCode == KeyEvent.KEYCODE_BACK && !down) {
		mHandler.removeCallbacks(mBackLongPress);
		}

		// First we always handle the home key here, so applications
		// can never break it, although if keyguard is on, we do let
		// it handle it, because that gives us the correct 5 second
		@@ -2797,6 +2852,13 @@ public class PhoneWindowManager implements WindowManagerPolicy {
		launchAssistAction(Intent.EXTRA_ASSIST_INPUT_HINT_KEYBOARD);
		}
		return -1;
		} else if (keyCode == KeyEvent.KEYCODE_BACK) {
		if (Settings.Secure.getInt(mContext.getContentResolver(),
		Settings.Secure.KILL_APP_LONGPRESS_BACK, 0) == 1) {
		if (down && repeatCount == 0) {
		mHandler.postDelayed(mBackLongPress, mBackKillTimeout);
		}
		}
		}

		// Shortcuts are invoked through Search+key, so intercept those here