使用AIDL挂断电话

AIDL是Android接口描述语言。

最早的Android中提供了自动挂断电话的功能，但是随着版本的升高这些功能已经被

隐藏起来了，所以要想完成挂断电话的功能，则要依靠AIDL技术完成。

在main.xml中：

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout

xmlns:android="http://schemas.android.com/apk/res/android"

android:orientation="vertical"

android:layout_width="fill_parent"

android:layout_height="fill_parent"

android:gravity="center_horizontal"

android:background="#00ff33">

<EditText

android:id="@+id/phonenumber"

android:layout_margin="8dp"

android:layout_width="fill_parent"

android:layout_height="wrap_content"/>

<LinearLayout

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:orientation="horizontal">

<Button

android:id="@+id/setnumber"

android:layout_width="100dp"

android:layout_height="40dp"

android:textColor="#ffffff"

android:background="#3399ff"

android:text="设置黑名单"/>

<Button

android:id="@+id/cancelnumber"

android:layout_marginLeft="20dp"

android:layout_width="100dp"

android:layout_height="40dp"

android:textColor="#ffffff"

android:background="#3399ff"

android:text="取消黑名单"/>

</LinearLayout>

在src下新建包：com.android.internal.telephony，（包名不能改）

并新建文件ITelephony.aidl

在ITelephony.aidl中：

package com.android.internal.telephony ;

interface ITelephony {

boolean endCall() ; // 挂断电话

void answerRingingCall() ; // 拨打电话

}

在IService.java中：

package com.li.phone;

public interface IService {

}

在PhoneBroadcastReceiver.java中：

package com.li.phone;

import android.content.BroadcastReceiver;

import android.content.Context;

import android.content.Intent;

public class PhoneBroadcastReceiver extends BroadcastReceiver {

@Override

public void onReceive(Context context, Intent intent) {

if (Intent.ACTION_NEW_OUTGOING_CALL.equals(intent.getAction())) { // 去电

String outgoingNumber = intent

.getStringExtra(Intent.EXTRA_PHONE_NUMBER); // 去电号码

Intent pit = new Intent(context, PhoneService.class);

pit.putExtra("outgoingNumber", outgoingNumber);

context.startService(pit);

} else { // 来电

context.startService(new Intent(context, PhoneService.class));

}

在PhoneService.java中：

package com.li.phone;

import java.lang.reflect.Method;

import android.app.Service;

import android.content.Context;

import android.content.Intent;

import android.media.AudioManager;

import android.os.Binder;

import android.os.IBinder;

import android.os.RemoteException;

import android.telephony.PhoneStateListener;

import android.telephony.TelephonyManager;

import com.android.internal.telephony.ITelephony;

public class PhoneService extends Service {

private TelephonyManager telephony = null;

private AudioManager audio = null; // 声音服务

private String phoneNumber = null; // 要过滤的电话

private IBinder myBinder = new BinderImpl();

class BinderImpl extends Binder implements IService {

@Override

public String getInterfaceDescriptor() {

return "黑名单号码" + PhoneService.this.phoneNumber + "设置成功！";

}

@Override

public IBinder onBind(Intent intent) {

this.phoneNumber = intent.getStringExtra("phonenumber"); // 取得电话号码

this.audio = (AudioManager) super

.getSystemService(Context.AUDIO_SERVICE); // 声音服务

this.telephony = (TelephonyManager) super

.getSystemService(Context.TELEPHONY_SERVICE);

this.telephony.listen(new PhoneStateListenerImpl(),

PhoneStateListener.LISTEN_CALL_STATE); // 设置监听操作

return this.myBinder;

}

private class PhoneStateListenerImpl extends PhoneStateListener {

@Override

public void onCallStateChanged(int state, String incomingNumber) {

switch (state) {

case TelephonyManager.CALL_STATE_IDLE: // 挂断电话

PhoneService.this.audio

.setRingerMode(AudioManager.RINGER_MODE_NORMAL); // 正常音

break;

case TelephonyManager.CALL_STATE_RINGING: // 领音响起

if (incomingNumber.equals(PhoneService.this.phoneNumber)) { // 电话号码匹配

ITelephony iTelephony = getITelephony() ;

if (iTelephony != null) {

try {

iTelephony.endCall() ; // 挂断电话

} catch (RemoteException e) {

e.printStackTrace();

}

break;

case TelephonyManager.CALL_STATE_OFFHOOK: // 接听电话

break;

}

private ITelephony getITelephony() {

ITelephony iTelephony = null ;

Class<TelephonyManager> cls = TelephonyManager.class ;

Method getITelephonyMethod = null ;

try {

getITelephonyMethod = cls.getDeclaredMethod("getITelephony") ;

getITelephonyMethod.setAccessible(true) ; // 取消封装

} catch (Exception e) {

}

try {

iTelephony = (ITelephony) getITelephonyMethod

.invoke(this.telephony);

return iTelephony ;

} catch (Exception e) {

}

return iTelephony ;

}

在MyPhoneDemo.java中：

package com.li.phone;

import com.li.phone.PhoneService.BinderImpl;

import android.app.Activity;

import android.content.ComponentName;

import android.content.Context;

import android.content.Intent;

import android.content.ServiceConnection;

import android.os.Bundle;

import android.os.IBinder;

import android.os.RemoteException;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.EditText;

import android.widget.Toast;

public class MyPhoneDemo extends Activity {

private EditText phoneNumber = null ;

private Button setNumber = null ;

private Button cancelNumber = null ;

private IService service = null ;

private ServiceConnectionImpl serviceConnection = new ServiceConnectionImpl() ;

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

super.setContentView(R.layout.main);

this.phoneNumber = (EditText) super.findViewById(R.id.phonenumber) ;

this.setNumber = (Button) super.findViewById(R.id.setnumber) ;

this.cancelNumber = (Button) super.findViewById(R.id.cancelnumber) ;

this.setNumber.setOnClickListener(new SetOnClickListenerImpl()) ;

this.cancelNumber.setOnClickListener(new CancelOnClickListenerImpl()) ;

}

private class SetOnClickListenerImpl implements OnClickListener {

public void onClick(View v) {

Intent intent = new Intent(MyPhoneDemo.this,PhoneService.class) ;

intent.putExtra("phonenumber", MyPhoneDemo.this.phoneNumber

.getText().toString());

MyPhoneDemo.this.bindService(intent,

MyPhoneDemo.this.serviceConnection,

Context.BIND_AUTO_CREATE);

}

private class CancelOnClickListenerImpl implements OnClickListener {

public void onClick(View v) {

if(MyPhoneDemo.this.service != null) {

MyPhoneDemo.this.unbindService(MyPhoneDemo.this.serviceConnection) ;

MyPhoneDemo.this.stopService(new Intent(MyPhoneDemo.this,PhoneService.class)) ;

Toast.makeText(MyPhoneDemo.this, "黑名单已取消", Toast.LENGTH_LONG)

.show();

MyPhoneDemo.this.service = null ;

}

private class ServiceConnectionImpl implements ServiceConnection {

public void onServiceConnected(ComponentName name, IBinder service) {

MyPhoneDemo.this.service = (BinderImpl) service ;

try {

Toast.makeText(MyPhoneDemo.this, service.getInterfaceDescriptor(), Toast.LENGTH_LONG).show() ;

} catch (RemoteException e) {

}

public void onServiceDisconnected(ComponentName name) {

}

修改AndroidManifest.xml：

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

package="com.li.phone"

android:versionCode="1"

android:versionName="1.0" >

<uses-sdk

android:minSdkVersion="8"

android:targetSdkVersion="15" />

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

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

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

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

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

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

<application

android:icon="@drawable/ic_launcher"

android:label="@string/app_name"

android:theme="@style/AppTheme" >

<activity

android:name=".MyPhoneDemo"

android:label="@string/title_activity_my_phone_demo" >

<intent-filter>

</intent-filter>

</activity>

<intent-filter>

</intent-filter>

</receiver>

</application>

</manifest>

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