android开发之动态注册BroadcastReceiver
package com.zjt.innerreceiver;
import android.app.Service;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.IBinder;
import android.util.Log;
public class ServiceTest extends Service{
public final static String TAG = "ServiceTest";
private Receiver mReceiver;
@Override
public IBinder onBind(Intent arg0) {
return null;
}
@Override
public void onCreate() {
super.onCreate();
//注册Receiver
mReceiver = new Receiver(this);
mReceiver.registerActionAndScheme(Intent.ACTION_MEDIA_EJECT, "file");
mReceiver.registerActionAndScheme(Intent.ACTION_MEDIA_REMOVED, "file");
mReceiver.registerActionAndScheme(Intent.ACTION_MEDIA_MOUNTED, "file");
mReceiver.registerActionAndScheme(Intent.ACTION_PACKAGE_REMOVED, "package");
mReceiver.registerActionAndScheme(Intent.ACTION_PACKAGE_ADDED, "package");
}
@Override
public void onDestroy() {
super.onDestroy();
//注销Receiver
unregisterReceiver(mReceiver);
}
class Receiver extends BroadcastReceiver {
Context mContext;
public Receiver(Context context){
mContext = context;
}
//动态注册
public void registerAction(String action){
IntentFilter filter = new IntentFilter();
filter.addAction(action);
mContext.registerReceiver(this, filter);
}
public void registerActionAndScheme(String action, String dataScheme){
IntentFilter filter = new IntentFilter();
filter.addAction(action);
filter.addDataScheme(dataScheme);
mContext.registerReceiver(this, filter);
}
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
Log.d(TAG, "action:" + action);
if(action.equals(Intent.ACTION_MEDIA_EJECT)) {
Log.d(TAG , "sdcard has been ejected");
} else if (action.equals(Intent.ACTION_MEDIA_REMOVED)) {
Log.d(TAG , "sdcard has been removed");
} else if (action.equals(Intent.ACTION_MEDIA_MOUNTED)) {
Log.d(TAG , "sdcard has been mounted");
} else if (action.equals(Intent.ACTION_PACKAGE_REMOVED)) {
Log.d(TAG, "Intent.ACTION_PACKAGE_REMOVED");
} else if (action.equals(Intent.ACTION_PACKAGE_ADDED)) {
Log.d(TAG, "Intent.ACTION_PACKAGE_ADDED");
}
}
}
}
