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在Activity中,注册广播的一个Demo。
总共分3步
第一步:定义一个BroadcastReceiver广播接收类:
private BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver(){ @Override public void onReceive(Context context, Intent intent) { String action = intent.getAction(); if(action.equals(ACTION_NAME)){ Toast.makeText(Test.this, "处理action名字相对应的广播", 200); } } };
第二步:注册该广播:
public void registerBoradcastReceiver(){ IntentFilter myIntentFilter = new IntentFilter(); myIntentFilter.addAction(ACTION_NAME); //注册广播 registerReceiver(mBroadcastReceiver, myIntentFilter); }
第三步:触发响应
mBtnMsgEvent = new Button(this); mBtnMsgEvent.setText("发送广播"); mBtnMsgEvent.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { Intent mIntent = new Intent(ACTION_NAME); mIntent.putExtra("yaner", "发送广播,相当于在这里传送数据"); //发送广播 sendBroadcast(mIntent); } });
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原文地址:http://www.cnblogs.com/Dylanblogs/p/4192861.html