Android——Broadcast Receivers广播接收器

MainActivity.java中代码：

package com.mcy.broadcastreceiver;

import android.app.Activity;

import android.content.BroadcastReceiver;

import android.content.Context;

import android.content.Intent;

import android.content.IntentFilter;

import android.os.Bundle;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.TextView;

public class MainActivity extends Activity implements OnClickListener {

private static final String ACTION = “com.mcy”;

private Button button;

private TextView text;

private BroadcastReceiver receiver;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

button = (Button) findViewById(R.id.button1);

text = (Tex