在某些手机上，电池更换的广播接收器会导致应用程序崩溃。

Question

在某些手机上，电池更换的广播接收器会导致应用程序崩溃。

4

当手机连接电源时，我会激活我的应用程序。这是我的清单文件：

<receiver android:name=".PowerConnectionReceiver">
      <intent-filter>
        <action android:name="android.intent.action.ACTION_POWER_CONNECTED"/>
        <action android:name="android.intent.action.ACTION_POWER_DISCONNECTED"/>
      </intent-filter>
    </receiver>

这是我的广播接收器。

  @Override
    public void onReceive(Context context, Intent intent) {
        Log.w("TAG", "Just received connection broadcast");


        IntentFilter ifilter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
        Intent batteryStatus = context.registerReceiver(null, ifilter); //this line is causing the crash


        int status = batteryStatus.getIntExtra(BatteryManager.EXTRA_STATUS, 0);

现在，导致我朋友手机崩溃的代码行是这个：

Intent batteryStatus = context.registerReceiver(null, ifilter);

请问有人能告诉我这个问题的原因以及如何解决吗？我的手机是最新的安卓JB系统，型号为Galaxy Nexus，他的手机是Gingerbread系统的LG Optimus One。

以下是logcat日志：

    02-27 01:25:19.399: D/AndroidRuntime(5326): Shutting down VM
02-27 01:25:19.399: W/dalvikvm(5326): threadid=1: thread exiting with uncaught exception (group=0x40018560)
02-27 01:25:19.419: E/AndroidRuntime(5326): FATAL EXCEPTION: main
02-27 01:25:19.419: E/AndroidRuntime(5326): java.lang.RuntimeException: Unable to start receiver com.doublep.wakey.PowerConnectionReceiver: android.content.ReceiverCallNotAllowedException: IntentReceiver components are not allowed to register to receive intents
02-27 01:25:19.419: E/AndroidRuntime(5326):     at android.app.ActivityThread.handleReceiver(ActivityThread.java:1926)
02-27 01:25:19.419: E/AndroidRuntime(5326):     at android.app.ActivityThread.access$2400(ActivityThread.java:123)
02-27 01:25:19.419: E/AndroidRuntime(5326):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:989)
02-27 01:25:19.419: E/AndroidRuntime(5326):     at android.os.Handler.dispatchMessage(Handler.java:99)
02-27 01:25:19.419: E/AndroidRuntime(5326):     at android.os.Looper.loop(Looper.java:130)
02-27 01:25:19.419: E/AndroidRuntime(5326):     at android.app.ActivityThread.main(ActivityThread.java:3835)
02-27 01:25:19.419: E/AndroidRuntime(5326):     at java.lang.reflect.Method.invokeNative(Native Method)
02-27 01:25:19.419: E/AndroidRuntime(5326):     at java.lang.reflect.Method.invoke(Method.java:507)
02-27 01:25:19.419: E/AndroidRuntime(5326):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:864)
02-27 01:25:19.419: E/AndroidRuntime(5326):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:622)
02-27 01:25:19.419: E/AndroidRuntime(5326):     at dalvik.system.NativeStart.main(Native Method)
02-27 01:25:19.419: E/AndroidRuntime(5326): Caused by: android.content.ReceiverCallNotAllowedException: IntentReceiver components are not allowed to register to receive intents
02-27 01:25:19.419: E/AndroidRuntime(5326):     at android.app.ReceiverRestrictedContext.registerReceiver(ContextImpl.java:151)
02-27 01:25:19.419: E/AndroidRuntime(5326):     at android.app.ReceiverRestrictedContext.registerReceiver(ContextImpl.java:145)
02-27 01:25:19.419: E/AndroidRuntime(5326):     at com.doublep.wakey.PowerConnectionReceiver.onReceive(PowerConnectionReceiver.java:46)
02-27 01:25:19.419: E/AndroidRuntime(5326):     at android.app.ActivityThread.handleReceiver(ActivityThread.java:1915)
02-27 01:25:19.419: E/AndroidRuntime(5326):     ... 10 more

- DoubleP90

也许这会有所帮助 Android：使用Alarm Manager定期获取电池状态 - Compaq1234

1个回答

网页内容由stack overflow 提供, 点击上面的

可以查看英文原文，
原文链接

- Ahmad · Accepted Answer

您正在遇到一个 ReceiverCallNotAllowedException 异常。

当从 BroadcastReceiver 组件中使用 registerReceiver(BroadcastReceiver,IntentFilter) 和 bindService(Intent, ServiceConnection, int) 方法时，会抛出此异常。在这种情况下，组件在从接收 Intent 返回后将不再处于活动状态，因此不能使用异步 API。

这意味着您无法在 BroadcastReceiver 中注册另一个 BroadcastReceiver。

编辑：一个监听 ACTION_BATTERY_CHANGED Intent 的 BroadcastReceiver 工作示例：

    private int mBatteryLevel;
    private IntentFilter mBatteryLevelFilter;

    BroadcastReceiver mBatteryReceiver = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {
            mBatteryLevel = intent.getIntExtra(BatteryManager.EXTRA_LEVEL, -1);
            Toast.makeText(context, "Current Battery Level: " + mBatteryLevel, Toast.LENGTH_LONG).show();
        }
    };

    private void registerMyReceiver() {
        mBatteryLevelFilter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
        registerReceiver(mBatteryReceiver, mBatteryLevelFilter);
    }

现在你只需调用registerMyReceiver()函数。