dave/cordova-plugin-run-in-background
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Code refactoring

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This commit is contained in:
Sebastián Katzer 2017-01-30 11:36:10 +01:00
parent 510518a42f
commit 96efffb319
4 changed files with 187 additions and 112 deletions
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4
plugin.xml
View File

@ -81,6 +81,10 @@
src="src/android/BackgroundMode.java"
target-dir="src/de/appplant/cordova/plugin/background" />
<source-file
src="src/android/BackgroundModeExt.java"
target-dir="src/de/appplant/cordova/plugin/background" />
<source-file
src="src/android/ForegroundService.java"
target-dir="src/de/appplant/cordova/plugin/background" />

138
src/android/BackgroundMode.java
View File

@ -22,14 +22,11 @@
package de.appplant.cordova.plugin.background;
import android.app.Activity;
import android.app.ActivityManager;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.Build;
import android.os.IBinder;
import android.view.View;
import org.apache.cordova.CallbackContext;
import org.apache.cordova.CordovaPlugin;
@ -37,9 +34,6 @@ import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.lang.reflect.Method;
import java.util.List;
public class BackgroundMode extends CordovaPlugin {
// Event types for callbacks
@ -66,6 +60,9 @@ public class BackgroundMode extends CordovaPlugin {
// Service that keeps the app awake
private ForegroundService service;
// Plugin extensions
private BackgroundModeExt ext;
// Used to (un)bind the service to with the activity
private final ServiceConnection connection = new ServiceConnection() {
@Override
@ -82,6 +79,14 @@ public class BackgroundMode extends CordovaPlugin {
}
};
/**
* Called after plugin construction and fields have been initialized.
*/
@Override
protected void pluginInitialize() {
ext = new BackgroundModeExt(cordova, webView);
}
/**
* Executes the request.
*
@ -105,22 +110,6 @@ public class BackgroundMode extends CordovaPlugin {
configure(settings, update);
}
if (action.equalsIgnoreCase("disableWebViewOptimizations")) {
disableWebViewOptimizations();
}
if (action.equalsIgnoreCase("background")) {
moveToBackground();
}
if (action.equalsIgnoreCase("foreground")) {
moveToForeground();
}
if (action.equalsIgnoreCase("tasklist")) {
excludeFromTaskList();
}
if (action.equalsIgnoreCase("enable")) {
enableMode();
}
@ -129,6 +118,22 @@ public class BackgroundMode extends CordovaPlugin {
disableMode();
}
if (action.equalsIgnoreCase("optimizations")) {
ext.disableWebViewOptimizations();
}
if (action.equalsIgnoreCase("background")) {
ext.moveToBackground();
}
if (action.equalsIgnoreCase("foreground")) {
ext.moveToForeground();
}
if (action.equalsIgnoreCase("tasklist")) {
ext.excludeFromTaskList();
}
callback.success();
return true;
@ -167,33 +172,6 @@ public class BackgroundMode extends CordovaPlugin {
stopService();
}
/**
* Move app to background.
*/
private void moveToBackground() {
Intent intent = new Intent(Intent.ACTION_MAIN);
intent.addCategory(Intent.CATEGORY_HOME);
cordova.getActivity().startActivity(intent);
}
/**
* Move app to foreground.
*/
private void moveToForeground() {
Context context = cordova.getActivity();
String pkgName = context.getPackageName();
Intent intent = context
.getPackageManager()
.getLaunchIntentForPackage(pkgName);
intent.addFlags(
Intent.FLAG_ACTIVITY_REORDER_TO_FRONT | Intent.FLAG_ACTIVITY_SINGLE_TOP);
context.startActivity(intent);
}
/**
* Enable the background mode.
*/
@ -305,68 +283,6 @@ public class BackgroundMode extends CordovaPlugin {
isBind = false;
}
/**
* Enable GPS position tracking while in background.
*/
private void disableWebViewOptimizations() {
Thread thread = new Thread(){
public void run() {
try {
Thread.sleep(1000);
cordova.getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
View view = webView.getEngine().getView();
try {
Class<?> xWalkCls = Class.forName(
"org.crosswalk.engine.XWalkCordovaView");
Method onShowMethod =
xWalkCls.getMethod("onShow");
onShowMethod.invoke(view);
} catch (Exception e){
view.dispatchWindowVisibilityChanged(View.VISIBLE);
}
}
});
} catch (InterruptedException e) {
// do nothing
}
}
};
thread.start();
}
/**
* Exclude the app from the recent tasks list.
*/
private void excludeFromTaskList() {
ActivityManager am = (ActivityManager) cordova.getActivity()
.getSystemService(Context.ACTIVITY_SERVICE);
if (am == null || Build.VERSION.SDK_INT < 21)
return;
try {
Method getAppTasks = am.getClass().getMethod("getAppTasks");
List tasks = (List) getAppTasks.invoke(am);
if (tasks == null || tasks.isEmpty())
return;
ActivityManager.AppTask task = (ActivityManager.AppTask) tasks.get(0);
Method setExcludeFromRecents = task.getClass()
.getMethod("setExcludeFromRecents", boolean.class);
setExcludeFromRecents.invoke(task, true);
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* Fire vent with some parameters inside the web view.
*

155
src/android/BackgroundModeExt.java Normal file
View File

@ -0,0 +1,155 @@
/*
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
regarding copyright ownership. The ASF licenses this file
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
KIND, either express or implied. See the License for the
specific language governing permissions and limitations
under the License.
*/
package de.appplant.cordova.plugin.background;
import android.app.Activity;
import android.app.ActivityManager;
import android.content.Context;
import android.content.Intent;
import android.os.Build;
import android.view.View;
import org.apache.cordova.CordovaInterface;
import org.apache.cordova.CordovaWebView;
import java.lang.ref.WeakReference;
import java.lang.reflect.Method;
import java.util.List;
class BackgroundModeExt {
// Weak reference to the cordova interface passed by the plugin
private final WeakReference<CordovaInterface> cordova;
// Weak reference to the cordova web view passed by the plugin
private final WeakReference<CordovaWebView> webView;
/**
* Initialize the extension to perform non-background related tasks.
*
* @param cordova The cordova interface.
* @param webView The cordova web view.
*/
BackgroundModeExt(CordovaInterface cordova, CordovaWebView webView) {
this.cordova = new WeakReference<CordovaInterface>(cordova);
this.webView = new WeakReference<CordovaWebView>(webView);
}
/**
* Move app to background.
*/
void moveToBackground() {
Intent intent = new Intent(Intent.ACTION_MAIN);
intent.addCategory(Intent.CATEGORY_HOME);
getActivity().startActivity(intent);
}
/**
* Move app to foreground.
*/
void moveToForeground() {
Activity app = getActivity();
String pkgName = app.getPackageName();
Intent intent = app
.getPackageManager()
.getLaunchIntentForPackage(pkgName);
intent.addFlags(
Intent.FLAG_ACTIVITY_REORDER_TO_FRONT | Intent.FLAG_ACTIVITY_SINGLE_TOP);
app.startActivity(intent);
}
/**
* Enable GPS position tracking while in background.
*/
void disableWebViewOptimizations() {
Thread thread = new Thread(){
public void run() {
try {
Thread.sleep(1000);
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
View view = webView.get().getEngine().getView();
try {
Class<?> xWalkCls = Class.forName(
"org.crosswalk.engine.XWalkCordovaView");
Method onShowMethod =
xWalkCls.getMethod("onShow");
onShowMethod.invoke(view);
} catch (Exception e){
view.dispatchWindowVisibilityChanged(View.VISIBLE);
}
}
});
} catch (InterruptedException e) {
// do nothing
}
}
};
thread.start();
}
/**
* Exclude the app from the recent tasks list.
*/
void excludeFromTaskList() {
ActivityManager am = (ActivityManager) getActivity()
.getSystemService(Context.ACTIVITY_SERVICE);
if (am == null || Build.VERSION.SDK_INT < 21)
return;
try {
Method getAppTasks = am.getClass().getMethod("getAppTasks");
List tasks = (List) getAppTasks.invoke(am);
if (tasks == null || tasks.isEmpty())
return;
ActivityManager.AppTask task = (ActivityManager.AppTask) tasks.get(0);
Method setExcludeFromRecents = task.getClass()
.getMethod("setExcludeFromRecents", boolean.class);
setExcludeFromRecents.invoke(task, true);
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* The activity referenced by cordova.
*
* @return The main activity of the app.
*/
Activity getActivity() {
return cordova.get().getActivity();
}
}

2
www/background-mode.js
View File

@ -132,7 +132,7 @@ exports.configure = function (options) {
*/
exports.disableWebViewOptimizations = function () {
if (this._isAndroid) {
cordova.exec(null, null, 'BackgroundMode', 'disableWebViewOptimizations', []);
cordova.exec(null, null, 'BackgroundMode', 'optimizations', []);
}
};