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Code Issues Projects Releases Wiki Activity

Some fixes and enhancements for Android

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This commit is contained in:
Sebastián Katzer 2019-02-03 15:58:40 +01:00
parent b5950b578d
commit 6b522e9832
3 changed files with 246 additions and 214 deletions
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228
src/android/BackgroundExt.java
View File

@ -30,7 +30,6 @@ import android.content.Intent;
import android.os.Build;
import android.os.PowerManager;
import android.view.View;
import android.view.Window;
import org.apache.cordova.CallbackContext;
import org.apache.cordova.CordovaInterface;
@ -39,24 +38,29 @@ import org.apache.cordova.CordovaWebView;
import org.apache.cordova.PluginResult;
import org.apache.cordova.PluginResult.Status;
import java.lang.ref.WeakReference;
import java.util.List;
import static android.content.Context.ACTIVITY_SERVICE;
import static android.content.Context.POWER_SERVICE;
import static android.os.Build.VERSION.SDK_INT;
import static android.view.WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON;
import static android.view.WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD;
import static android.view.WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED;
import static android.view.WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON;
/**
* Implements extended functions around the main purpose
* of infinite execution in the background.
*/
class BackgroundExt {
// Weak reference to the cordova interface passed by the plugin
private final WeakReference<CordovaInterface> cordova;
// Reference to the cordova interface passed by the plugin
private final CordovaInterface cordova;
// Weak reference to the cordova web view passed by the plugin
private final WeakReference<CordovaWebView> webView;
// Reference to the cordova web view passed by the plugin
private final CordovaWebView webView;
// To keep the device awake
private PowerManager.WakeLock wakeLock;
/**
@ -64,35 +68,24 @@ class BackgroundExt {
*
* @param plugin The cordova plugin.
*/
private BackgroundExt(CordovaPlugin plugin) {
this.cordova = new WeakReference<CordovaInterface>(plugin.cordova);
this.webView = new WeakReference<CordovaWebView>(plugin.webView);
BackgroundExt(CordovaPlugin plugin)
{
this.cordova = plugin.cordova;
this.webView = plugin.webView;
}
/**
* Executes the request asynchronous.
* Executes the request within a thread.
*
* @param plugin The cordova plugin.
* @param action The action to execute.
* @param callback The callback context used when
* calling back into JavaScript.
*/
@SuppressWarnings("UnusedParameters")
static void execute (CordovaPlugin plugin, final String action,
final CallbackContext callback) {
final BackgroundExt ext = new BackgroundExt(plugin);
plugin.cordova.getThreadPool().execute(new Runnable() {
@Override
public void run() {
ext.execute(action, callback);
}
});
void executeAsync (String action, CallbackContext callback)
{
cordova.getThreadPool().execute(() -> execute(action, callback));
}
// codebeat:disable[ABC]
/**
* Executes the request.
*
@ -100,60 +93,59 @@ class BackgroundExt {
* @param callback The callback context used when
* calling back into JavaScript.
*/
private void execute (String action, CallbackContext callback) {
if (action.equalsIgnoreCase("optimizations")) {
disableWebViewOptimizations();
}
if (action.equalsIgnoreCase("background")) {
moveToBackground();
}
if (action.equalsIgnoreCase("foreground")) {
moveToForeground();
}
if (action.equalsIgnoreCase("tasklist")) {
excludeFromTaskList();
}
if (action.equalsIgnoreCase("dimmed")) {
isDimmed(callback);
}
if (action.equalsIgnoreCase("wakeup")) {
wakeup();
}
if (action.equalsIgnoreCase("unlock")) {
wakeup();
unlock();
private void execute (String action, CallbackContext callback)
{
switch (action)
{
case "optimizations":
disableWebViewOptimizations();
break;
case "background":
moveToBackground();
break;
case "foreground":
moveToForeground();
break;
case "tasklist":
excludeFromTaskList();
break;
case "dimmed":
isDimmed(callback);
break;
case "wakeup":
wakeup();
break;
case "unlock":
wakeup();
unlock();
break;
}
}
// codebeat:enable[ABC]
/**
* Move app to background.
* Moves the app to the background.
*/
private void moveToBackground() {
private void moveToBackground()
{
Intent intent = new Intent(Intent.ACTION_MAIN);
intent.addCategory(Intent.CATEGORY_HOME);
getApp().startActivity(intent);
}
/**
* Move app to foreground.
* Moves the app to the foreground.
*/
private void moveToForeground() {
private void moveToForeground()
{
Activity app = getApp();
Intent intent = getLaunchIntent();
intent.addFlags(
Intent.FLAG_ACTIVITY_REORDER_TO_FRONT |
Intent.FLAG_ACTIVITY_SINGLE_TOP);
Intent.FLAG_ACTIVITY_SINGLE_TOP |
Intent.FLAG_ACTIVITY_CLEAR_TOP);
app.startActivity(intent);
}
@ -166,18 +158,15 @@ class BackgroundExt {
public void run() {
try {
Thread.sleep(1000);
getApp().runOnUiThread(new Runnable() {
@Override
public void run() {
View view = webView.get().getEngine().getView();
getApp().runOnUiThread(() -> {
View view = webView.getEngine().getView();
try {
Class.forName("org.crosswalk.engine.XWalkCordovaView")
.getMethod("onShow")
.invoke(view);
} catch (Exception e){
view.dispatchWindowVisibilityChanged(View.VISIBLE);
}
try {
Class.forName("org.crosswalk.engine.XWalkCordovaView")
.getMethod("onShow")
.invoke(view);
} catch (Exception e){
view.dispatchWindowVisibilityChanged(View.VISIBLE);
}
});
} catch (InterruptedException e) {
@ -190,13 +179,14 @@ class BackgroundExt {
}
/**
* Exclude the app from the recent tasks list.
* Excludes the app from the recent tasks list.
*/
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private void excludeFromTaskList() {
private void excludeFromTaskList()
{
ActivityManager am = (ActivityManager) getService(ACTIVITY_SERVICE);
if (am == null || Build.VERSION.SDK_INT < 21)
if (am == null || SDK_INT < 21)
return;
List<AppTask> tasks = am.getAppTasks();
@ -208,24 +198,29 @@ class BackgroundExt {
}
/**
* Invoke the callback with information if the screen is on.
* Invokes the callback with information if the screen is on.
*
* @param callback The callback to invoke.
*/
@SuppressWarnings("deprecation")
private void isDimmed(CallbackContext callback) {
PluginResult result = new PluginResult(Status.OK, isDimmed());
callback.sendPluginResult(result);
private void isDimmed (CallbackContext callback)
{
boolean status = isDimmed();
PluginResult res = new PluginResult(Status.OK, status);
callback.sendPluginResult(res);
}
/**
* If the screen is active.
* Returns if the screen is active.
*/
@SuppressWarnings("deprecation")
private boolean isDimmed() {
private boolean isDimmed()
{
PowerManager pm = (PowerManager) getService(POWER_SERVICE);
if (Build.VERSION.SDK_INT < 20) {
if (SDK_INT < 20)
{
return !pm.isScreenOn();
}
@ -235,7 +230,8 @@ class BackgroundExt {
/**
* Wakes up the device if the screen isn't still on.
*/
private void wakeup() {
private void wakeup()
{
try {
acquireWakeLock();
} catch (Exception e) {
@ -246,27 +242,31 @@ class BackgroundExt {
/**
* Unlocks the device even with password protection.
*/
private void unlock() {
Intent intent = getLaunchIntent();
getApp().startActivity(intent);
private void unlock()
{
getApp().runOnUiThread(() -> {
addSreenAndKeyguardFlags();
getApp().startActivity(getLaunchIntent());
});
}
/**
* Acquire a wake lock to wake up the device.
* Acquires a wake lock to wake up the device.
*/
private void acquireWakeLock() {
@SuppressWarnings("deprecation")
private void acquireWakeLock()
{
PowerManager pm = (PowerManager) getService(POWER_SERVICE);
releaseWakeLock();
if (!isDimmed()) {
if (!isDimmed())
return;
}
int level = PowerManager.SCREEN_DIM_WAKE_LOCK |
PowerManager.ACQUIRE_CAUSES_WAKEUP;
wakeLock = pm.newWakeLock(level, "BackgroundModeExt");
wakeLock = pm.newWakeLock(level, "backgroundmode:wakelock");
wakeLock.setReferenceCounted(false);
wakeLock.acquire(1000);
}
@ -274,7 +274,8 @@ class BackgroundExt {
/**
* Releases the previously acquire wake lock.
*/
private void releaseWakeLock() {
private void releaseWakeLock()
{
if (wakeLock != null && wakeLock.isHeld()) {
wakeLock.release();
wakeLock = null;
@ -282,36 +283,33 @@ class BackgroundExt {
}
/**
* Add required flags to the window to unlock/wakeup the device.
* Adds required flags to the window to unlock/wakeup the device.
*/
static void addWindowFlags(Activity app) {
final Window window = app.getWindow();
app.runOnUiThread(new Runnable() {
public void run() {
window.addFlags(
FLAG_ALLOW_LOCK_WHILE_SCREEN_ON |
FLAG_SHOW_WHEN_LOCKED |
FLAG_TURN_SCREEN_ON |
FLAG_DISMISS_KEYGUARD
);
}
});
private void addSreenAndKeyguardFlags()
{
getApp().getWindow().addFlags(FLAG_ALLOW_LOCK_WHILE_SCREEN_ON | FLAG_SHOW_WHEN_LOCKED | FLAG_TURN_SCREEN_ON | FLAG_DISMISS_KEYGUARD);
}
/**
* The activity referenced by cordova.
*
* @return The main activity of the app.
* Removes required flags to the window to unlock/wakeup the device.
*/
static void clearKeyguardFlags (Activity app)
{
app.runOnUiThread(() -> app.getWindow().clearFlags(FLAG_DISMISS_KEYGUARD));
}
/**
* Returns the activity referenced by cordova.
*/
Activity getApp() {
return cordova.get().getActivity();
return cordova.getActivity();
}
/**
* The launch intent for the main activity.
* Gets the launch intent for the main activity.
*/
private Intent getLaunchIntent() {
private Intent getLaunchIntent()
{
Context app = getApp().getApplicationContext();
String pkgName = app.getPackageName();
@ -322,11 +320,9 @@ class BackgroundExt {
* Get the requested system service by name.
*
* @param name The name of the service.
*
* @return The service instance.
*/
private Object getService(String name) {
private Object getService(String name)
{
return getApp().getSystemService(name);
}
}

143
src/android/BackgroundMode.java
View File

@ -30,23 +30,20 @@ import android.os.IBinder;
import org.apache.cordova.CallbackContext;
import org.apache.cordova.CordovaPlugin;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import de.appplant.cordova.plugin.background.ForegroundService.ForegroundBinder;
import static android.content.Context.BIND_AUTO_CREATE;
import static de.appplant.cordova.plugin.background.BackgroundExt.clearKeyguardFlags;
public class BackgroundMode extends CordovaPlugin {
// Event types for callbacks
private enum Event {
ACTIVATE, DEACTIVATE, FAILURE
}
private enum Event { ACTIVATE, DEACTIVATE, FAILURE }
// Plugin namespace
private static final String JS_NAMESPACE =
"cordova.plugins.backgroundMode";
private static final String JS_NAMESPACE = "cordova.plugins.backgroundMode";
// Flag indicates if the app is in background or foreground
private boolean inBackground = false;
@ -64,26 +61,22 @@ public class BackgroundMode extends CordovaPlugin {
private ForegroundService service;
// Used to (un)bind the service to with the activity
private final ServiceConnection connection = new ServiceConnection() {
private final ServiceConnection connection = new ServiceConnection()
{
@Override
public void onServiceConnected(ComponentName name, IBinder service) {
public void onServiceConnected (ComponentName name, IBinder service)
{
ForegroundBinder binder = (ForegroundBinder) service;
BackgroundMode.this.service = binder.getService();
}
@Override
public void onServiceDisconnected(ComponentName name) {
public void onServiceDisconnected (ComponentName name)
{
fireEvent(Event.FAILURE, "'service disconnected'");
}
};
@Override
protected void pluginInitialize() {
BackgroundExt.addWindowFlags(cordova.getActivity());
}
// codebeat:disable[ABC]
/**
* Executes the request.
*
@ -93,47 +86,68 @@ public class BackgroundMode extends CordovaPlugin {
* calling back into JavaScript.
*
* @return Returning false results in a "MethodNotFound" error.
*
* @throws JSONException
*/
@Override
public boolean execute (String action, JSONArray args,
CallbackContext callback) throws JSONException {
CallbackContext callback)
{
boolean validAction = true;
if (action.equalsIgnoreCase("configure")) {
configure(args.getJSONObject(0), args.getBoolean(1));
callback.success();
return true;
switch (action)
{
case "configure":
configure(args.optJSONObject(0), args.optBoolean(1));
break;
case "enable":
enableMode();
break;
case "disable":
disableMode();
break;
case "optimizations":
case "background":
case "foreground":
case "tasklist":
case "dimmed":
case "wakeup":
case "unlock":
new BackgroundExt(this).executeAsync(action, callback);
break;
default:
validAction = false;
}
if (action.equalsIgnoreCase("enable")) {
enableMode();
if (validAction) {
callback.success();
return true;
} else {
callback.error("Invalid action: " + action);
}
if (action.equalsIgnoreCase("disable")) {
disableMode();
callback.success();
return true;
}
BackgroundExt.execute(this, action, callback);
return true;
return validAction;
}
// codebeat:enable[ABC]
/**
* Called when the system is about to start resuming a previous activity.
*
* @param multitasking Flag indicating if multitasking is turned on for app.
*/
@Override
public void onPause(boolean multitasking) {
super.onPause(multitasking);
inBackground = true;
startService();
public void onPause(boolean multitasking)
{
try {
inBackground = true;
startService();
} finally {
clearKeyguardFlags(cordova.getActivity());
}
}
/**
* Called when the activity is no longer visible to the user.
*/
@Override
public void onStop () {
clearKeyguardFlags(cordova.getActivity());
}
/**
@ -142,8 +156,8 @@ public class BackgroundMode extends CordovaPlugin {
* @param multitasking Flag indicating if multitasking is turned on for app.
*/
@Override
public void onResume(boolean multitasking) {
super.onResume(multitasking);
public void onResume (boolean multitasking)
{
inBackground = false;
stopService();
}
@ -152,16 +166,17 @@ public class BackgroundMode extends CordovaPlugin {
* Called when the activity will be destroyed.
*/
@Override
public void onDestroy() {
public void onDestroy()
{
stopService();
super.onDestroy();
android.os.Process.killProcess(android.os.Process.myPid());
}
/**
* Enable the background mode.
*/
private void enableMode() {
private void enableMode()
{
isDisabled = false;
if (inBackground) {
@ -172,7 +187,8 @@ public class BackgroundMode extends CordovaPlugin {
/**
* Disable the background mode.
*/
private void disableMode() {
private void disableMode()
{
stopService();
isDisabled = true;
}
@ -183,7 +199,8 @@ public class BackgroundMode extends CordovaPlugin {
* @param settings The settings
* @param update A truthy value means to update the running service.
*/
private void configure(JSONObject settings, boolean update) {
private void configure(JSONObject settings, boolean update)
{
if (update) {
updateNotification(settings);
} else {
@ -196,17 +213,15 @@ public class BackgroundMode extends CordovaPlugin {
*
* @param settings The new default settings
*/
private void setDefaultSettings(JSONObject settings) {
private void setDefaultSettings(JSONObject settings)
{
defaultSettings = settings;
}
/**
* The settings for the new/updated notification.
*
* @return
* updateSettings if set or default settings
* Returns the settings for the new/updated notification.
*/
protected static JSONObject getSettings() {
static JSONObject getSettings () {
return defaultSettings;
}
@ -215,7 +230,8 @@ public class BackgroundMode extends CordovaPlugin {
*
* @param settings The config settings
*/
private void updateNotification(JSONObject settings) {
private void updateNotification(JSONObject settings)
{
if (isBind) {
service.updateNotification(settings);
}
@ -225,7 +241,8 @@ public class BackgroundMode extends CordovaPlugin {
* Bind the activity to a background service and put them into foreground
* state.
*/
private void startService() {
private void startService()
{
Activity context = cordova.getActivity();
if (isDisabled || isBind)
@ -248,12 +265,12 @@ public class BackgroundMode extends CordovaPlugin {
* Bind the activity to a background service and put them into foreground
* state.
*/
private void stopService() {
private void stopService()
{
Activity context = cordova.getActivity();
Intent intent = new Intent(context, ForegroundService.class);
if (!isBind)
return;
if (!isBind) return;
fireEvent(Event.DEACTIVATE, null);
context.unbindService(connection);
@ -268,7 +285,8 @@ public class BackgroundMode extends CordovaPlugin {
* @param event The name of the event
* @param params Optional arguments for the event
*/
private void fireEvent (Event event, String params) {
private void fireEvent (Event event, String params)
{
String eventName = event.name().toLowerCase();
Boolean active = event == Event.ACTIVATE;
@ -283,12 +301,7 @@ public class BackgroundMode extends CordovaPlugin {
final String js = str;
cordova.getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
webView.loadUrl("javascript:" + js);
}
});
cordova.getActivity().runOnUiThread(() -> webView.loadUrl("javascript:" + js));
}
}

89
src/android/ForegroundService.java
View File

@ -1,5 +1,6 @@
/*
Copyright 2013-2017 appPlant GmbH
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
@ -7,7 +8,9 @@
to you 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
http://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
@ -18,6 +21,7 @@
package de.appplant.cordova.plugin.background;
import android.annotation.SuppressLint;
import android.annotation.TargetApi;
import android.app.Notification;
import android.app.NotificationManager;
@ -58,26 +62,27 @@ public class ForegroundService extends Service {
private static final String NOTIFICATION_ICON = "icon";
// Binder given to clients
private final IBinder mBinder = new ForegroundBinder();
private final IBinder binder = new ForegroundBinder();
// Partial wake lock to prevent the app from going to sleep when locked
private PowerManager.WakeLock wakeLock;
private final String CHANNEL_ID = "cordova-plugin-background-mode-id";
/**
* Allow clients to call on to the service.
*/
@Override
public IBinder onBind (Intent intent) {
return mBinder;
return binder;
}
/**
* Class used for the client Binder. Because we know this service always
* runs in the same process as its clients, we don't need to deal with IPC.
*/
public class ForegroundBinder extends Binder {
ForegroundService getService() {
class ForegroundBinder extends Binder
{
ForegroundService getService()
{
// Return this instance of ForegroundService
// so clients can call public methods
return ForegroundService.this;
@ -89,7 +94,8 @@ public class ForegroundService extends Service {
* by the OS.
*/
@Override
public void onCreate () {
public void onCreate()
{
super.onCreate();
keepAwake();
}
@ -98,16 +104,27 @@ public class ForegroundService extends Service {
* No need to run headless on destroy.
*/
@Override
public void onDestroy() {
public void onDestroy()
{
super.onDestroy();
sleepWell();
}
/**
* Prevent Android from stopping the background service automatically.
*/
@Override
public int onStartCommand (Intent intent, int flags, int startId) {
return START_STICKY;
}
/**
* Put the service in a foreground state to prevent app from being killed
* by the OS.
*/
private void keepAwake() {
@SuppressLint("WakelockTimeout")
private void keepAwake()
{
JSONObject settings = BackgroundMode.getSettings();
boolean isSilent = settings.optBoolean("silent", false);
@ -115,11 +132,10 @@ public class ForegroundService extends Service {
startForeground(NOTIFICATION_ID, makeNotification());
}
PowerManager pm = (PowerManager)
getSystemService(POWER_SERVICE);
PowerManager pm = (PowerManager)getSystemService(POWER_SERVICE);
wakeLock = pm.newWakeLock(
PARTIAL_WAKE_LOCK, "BackgroundMode");
PARTIAL_WAKE_LOCK, "backgroundmode:wakelock");
wakeLock.acquire();
}
@ -127,7 +143,8 @@ public class ForegroundService extends Service {
/**
* Stop background mode.
*/
private void sleepWell() {
private void sleepWell()
{
stopForeground(true);
getNotificationManager().cancel(NOTIFICATION_ID);
@ -141,7 +158,8 @@ public class ForegroundService extends Service {
* Create a notification as the visible part to be able to put the service
* in a foreground state by using the default settings.
*/
private Notification makeNotification() {
private Notification makeNotification()
{
return makeNotification(BackgroundMode.getSettings());
}
@ -151,22 +169,24 @@ public class ForegroundService extends Service {
*
* @param settings The config settings
*/
private Notification makeNotification(JSONObject settings) {
private Notification makeNotification (JSONObject settings)
{
// use channelid for Oreo and higher
if(Build.VERSION.SDK_INT >= 26){
// The user-visible name of the channel.
CharSequence name = "cordova-plugin-background-mode";
// The user-visible description of the channel.
String description = "cordova-plugin-background-moden notification";
String CHANNEL_ID = "cordova-plugin-background-mode-id";
if(Build.VERSION.SDK_INT >= 26){
// The user-visible name of the channel.
CharSequence name = "cordova-plugin-background-mode";
// The user-visible description of the channel.
String description = "cordova-plugin-background-moden notification";
int importance = NotificationManager.IMPORTANCE_LOW;
int importance = NotificationManager.IMPORTANCE_LOW;
NotificationChannel mChannel = new NotificationChannel(this.CHANNEL_ID, name,importance);
NotificationChannel mChannel = new NotificationChannel(CHANNEL_ID, name,importance);
// Configure the notification channel.
mChannel.setDescription(description);
// Configure the notification channel.
mChannel.setDescription(description);
getNotificationManager().createNotificationChannel(mChannel);
getNotificationManager().createNotificationChannel(mChannel);
}
String title = settings.optString("title", NOTIFICATION_TITLE);
String text = settings.optString("text", NOTIFICATION_TEXT);
@ -184,7 +204,7 @@ public class ForegroundService extends Service {
.setSmallIcon(getIconResId(settings));
if(Build.VERSION.SDK_INT >= 26){
notification.setChannelId(this.CHANNEL_ID);
notification.setChannelId(CHANNEL_ID);
}
if (settings.optBoolean("hidden", true)) {
@ -216,7 +236,8 @@ public class ForegroundService extends Service {
*
* @param settings The config settings
*/
protected void updateNotification (JSONObject settings) {
protected void updateNotification (JSONObject settings)
{
boolean isSilent = settings.optBoolean("silent", false);
if (isSilent) {
@ -234,10 +255,10 @@ public class ForegroundService extends Service {
*
* @param settings A JSON dict containing the icon name.
*/
private int getIconResId(JSONObject settings) {
private int getIconResId (JSONObject settings)
{
String icon = settings.optString("icon", NOTIFICATION_ICON);
// cordova-android 6 uses mipmaps
int resId = getIconResId(icon, "mipmap");
if (resId == 0) {
@ -255,7 +276,8 @@ public class ForegroundService extends Service {
*
* @return The resource id or 0 if not found.
*/
private int getIconResId(String icon, String type) {
private int getIconResId (String icon, String type)
{
Resources res = getResources();
String pkgName = getPackageName();
@ -275,8 +297,8 @@ public class ForegroundService extends Service {
* @param settings A JSON dict containing the color definition (red: FF0000)
*/
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private void setColor(Notification.Builder notification,
JSONObject settings) {
private void setColor (Notification.Builder notification, JSONObject settings)
{
String hex = settings.optString("color", null);
@ -292,9 +314,10 @@ public class ForegroundService extends Service {
}
/**
* Shared manager for the notification service.
* Returns the shared notification service manager.
*/
private NotificationManager getNotificationManager() {
private NotificationManager getNotificationManager()
{
return (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
}