22 监听打出电话广播代码案例

当你打电话的时候系统会发出一条广播

• 权限:

<uses-permission android:name="android.permission.PROCESS_OUTGOING_CALLS"/>

• 拨打电话的ACTION

 <!-- 拨打电话的ACTION -->
        <receiver android:name=".CallLogReceiver">
            <intent-filter >
                <action android:name="android.intent.action.NEW_OUTGOING_CALL"/>
            </intent-filter>
        </receiver>

• 结构:
  

• 清单文件:

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.qf.day22_broadcastreceiver_demo4"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="18" />
    <!--拨打电话的权限-->
    <uses-permission android:name="android.permission.PROCESS_OUTGOING_CALLS"/>

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="com.qf.day22_broadcastreceiver_demo4.MainActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>

        <!-- 拨打电话的ACTION -->
        <receiver android:name=".CallLogReceiver">
            <intent-filter >
                <action android:name="android.intent.action.NEW_OUTGOING_CALL"/>
            </intent-filter>
        </receiver>
    </application>

</manifest>

• MainActivity.java

package com.qf.day22_broadcastreceiver_demo4;

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;

public class MainActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }



}

• CallLogReceiver.java

package com.qf.day22_broadcastreceiver_demo4;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;

public class CallLogReceiver extends BroadcastReceiver{

    @Override
    public void onReceive(Context context, Intent intent) {
        // TODO Auto-generated method stub
        if(intent!=null){
            Bundle bundle = intent.getExtras();
            //获取电话号
            String num = bundle.getString(Intent.EXTRA_PHONE_NUMBER);
            Log.e("AAA", "==>"+num);
        }
    }

}