Android 監聽手機來電和去電

    package com.example.callphonetest.receiver;  
      
    import android.app.Service;  
    import android.content.BroadcastReceiver;  
    import android.content.Context;  
    import android.content.Intent;  
    import android.telephony.TelephonyManager;  
    import android.util.Log;  
      
    public class PhoneStatReceiver extends BroadcastReceiver {  
      
        private static final String TAG = PhoneStatReceiver.class.getSimpleName();  
      
        private static boolean incomingFlag = false;  
      
        private static String incoming_number = null;  
      
        @Override  
        public void onReceive(Context context, Intent intent) {  
            // 如果是撥打電話  
            if (intent.getAction().equals(Intent.ACTION_NEW_OUTGOING_CALL)) {  
                incomingFlag = false;  
                String phoneNumber = intent  
                        .getStringExtra(Intent.EXTRA_PHONE_NUMBER);  
                Log.e(TAG, "call out:" + phoneNumber);  
            } else {  
                // 如果是來電  
                TelephonyManager tm = (TelephonyManager) context  
                        .getSystemService(Service.TELEPHONY_SERVICE);  
      
                switch (tm.getCallState()) {  
                case TelephonyManager.CALL_STATE_RINGING:  
                    incomingFlag = true;// 標識當前是來電  
                    incoming_number = intent.getStringExtra("incoming_number");  
                    Log.e(TAG, "call in ringing :" + incoming_number);  
                    break;  
                case TelephonyManager.CALL_STATE_OFFHOOK:  
                    if (incomingFlag) {  
                        Log.e(TAG, "call in offhook :" + incoming_number);  
                    }  
                    break;  
      
                case TelephonyManager.CALL_STATE_IDLE:  
                    if (incomingFlag) {  
                        Log.e(TAG, "call in idle :"+incoming_number);  
                    }  
                    break;  
                }  
            }  
        }  
    }  

    <?xml version="1.0" encoding="utf-8"?>  
    <manifest xmlns:android="http://schemas.android.com/apk/res/android"  
        package="com.example.callphonetest"  
        android:versionCode="1"  
        android:versionName="1.0" >  
      
        <uses-sdk  
            android:minSdkVersion="8"  
            android:targetSdkVersion="8" />  
      
        <!-- 監聽電話狀態權限 -->  
        <uses-permission android:name="android.permission.READ_PHONE_STATE" >  
        </uses-permission>  
        <uses-permission android:name="android.permission.PROCESS_OUTGOING_CALLS" >  
        </uses-permission>  
      
        <application  
            android:allowBackup="true"  
            android:icon="@drawable/ic_launcher"  
            android:label="@string/app_name"  
            android:theme="@style/AppTheme" >  
            <activity  
                android:name="com.example.callphonetest.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>  
      
            <!-- 注冊監聽廣播 -->  
            <receiver android:name=".receiver.PhoneStatReceiver" >  
                <intent-filter>  
                    <action android:name="android.intent.action.PHONE_STATE" />  
                    <action android:name="android.intent.action.NEW_OUTGOING_CALL" />  
                </intent-filter>  
            </receiver>  
        </application>  
      
    </manifest>