赵雅智_service实例1

步骤：

1. 创建CallStateService继承Service
2. 取得电话服务
   
3. 监听电话动作
   1. 的对象
      1. 没有电话时
      2. 电话响铃时
      3. 电话接通时
   2. 的行为
4. 启动service
5. 注册service并添加监听电话状态的权限

AndroidManifest.xml

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

    <uses-sdk
        android:minSdkVersion="14"
        android:targetSdkVersion="19" />

    <!-- 监听电话状态 -->
    <uses-permission android:name="android.permission.READ_PHONE_STATE" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="com.example.callstatelistener.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>
        <!-- 注册service -->
        <service android:name="com.example.callstatelistener.CallStateService"></service>
        
    </application>
 
</manifest>

CallStateService.java

package com.example.callstatelistener;

import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.os.IBinder;
import android.telephony.PhoneStateListener;
import android.telephony.TelephonyManager;
import android.util.Log;

/**
 * 监听电话状态service
 * 
 * @author zhaoyazhi
 * 
 *         2014-6-17
 */
public class CallStateService extends Service {
	public static final String TAG = "aaa";

	@Override
	public IBinder onBind(Intent intent) {
		// TODO Auto-generated method stub
		return null;
	}

	@Override
	public void onCreate() {
		super.onCreate();
		// 取得电话服务
		TelephonyManager telManager = (TelephonyManager) this
				.getSystemService(Context.TELEPHONY_SERVICE);
		// 的对象，的行为
		telManager.listen(new MyPhoneStateListener(),
				PhoneStateListener.LISTEN_CALL_STATE);
	}

	class MyPhoneStateListener extends PhoneStateListener {

		/**
		 * int state电话状态。 
		 * String incomingNumber电话号码
		 */
		@Override
		public void onCallStateChanged(int state, String incomingNumber) {
			super.onCallStateChanged(state, incomingNumber);
			switch (state) {
			case TelephonyManager.CALL_STATE_IDLE: /* 无任何状态时 */
				// 实现黑名单操作
				Log.i(TAG, "------------------没有电话来");
				break;
			case TelephonyManager.CALL_STATE_RINGING: /* 电话进来时 */
				Log.i(TAG, "------------------来电话了---并且响铃");
				break;
			case TelephonyManager.CALL_STATE_OFFHOOK: /* 接起电话时 */
				Log.i(TAG, "------------------通话中");
				break;
			default:
				break;
			}

		};
	}
}

MainActivity.java

package com.example.callstatelistener;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;

public class MainActivity extends Activity {

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		//intent 意图
		Intent service = new Intent(MainActivity.this, CallStateService.class);
		//启动service服务
		this.startService(service);
	}
}

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