捕获来电事件

iteye_15461

于 2010-01-20 20:55:50 发布

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分类专栏： android 文章标签： Android

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本文介绍如何使用自定义的PhoneStateListener监听电话状态的变化，并通过BroadcastReceiver接收电话状态改变的广播。详细展示了两种方法的具体实现代码。

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public class YourApplicationPhoneStateListener extends PhoneStateListener 
{ 
    @Override 
    public void onCallStateChanged (int state, String incomingNumber) 
    { 
        /* state can be any of the following: 
            TelephonyManager.CALL_STATE_IDLE 
            TelephonyManager.CALL_STATE_RINGING 
            TelephonyManager.CALL_STATE_OFFHOOK 
        */ 
 
    } 
}

TelephonyManager.listen(new YourApplicationPhoneStateListener());

public class PhoneStateBroadcastReceiver extends BroadcastReceiver 
{ 
    @Override 
    public void onReceive(Context context, Intent intent) { 
        Bundle bundle = intent.getExtras(); 
 
        int state = bundle.getInt(TelephonyManager.EXTRA_STATE); 
 
        if (state == TelephonyManager.CALL_STATE_RINGING) { 
            String phoneNumber =  
                bundle.getString(TelephonyManager.EXTRA_INCOMING_NUMBER ); 
        } 
    } 
 
}

<receiver android:name="package.to.PhoneStateBroadcastReceiver" android:enabled="true"> 
    <intent-filter> 
        <action android:name="android.telephony.TelephonyManager.ACTION_PHONE_STATE_CHANGED" /> 
    </intent-filter> 
</receiver>