android 公开静态内部类BroadcastReceiver

android 公开静态内部类BroadcastReceiver

第一次写博客，写得不好盼大家指正.

      当想实现广播接收功能时，因java  是单继承，所以一般一个类都会extends Activity，所以会想到内部类来extends BroadcastReceiver,这中间可能会出现两种异常

1:java.lang.RuntimeException: Unable to instantiate 
     receiver com.example.progressbar.ProgressBarActivity$mBroadcastReceiver: 
     java.lang.InstantiationException: com.example.progressbar.ProgressBarActivity$mBroadcastReceiver

      这是因为内部类需要写成静态的，即static

static class mBroadcastReceiver extends BroadcastReceiver {
//必须为静态公开的(public static)


@Override
public void onReceive(Context context, Intent intent) {
// TODO Auto-generated method stub
}
}

2: java.lang.RuntimeException: Unable to instantiate 
    receiver com.example