Android安卓电话拦截及短信过滤

package com.focus.manager;
import java.lang.reflect.Method;
import Android .app.Activity;
import Android .content.BroadcastReceiver;
import Android .content.Context;
import Android .content.Intent;
import Android .content.IntentFilter;
import Android .media.AudioManager;
import Android .net.Uri;
import Android .os.Bundle;
import Android .os.Handler;
import Android .os.Message;
import Android .telephony.SmsMessage;
import Android .telephony.TelephonyManager;
import Android .util.Log;
import Android .view.View;
import Android .view.View.OnClickListener;
import com.Android .internal.telephony.ITelephony;
public class CallAndSMSInterceptorActivity extends Activity {
//要拦截的号码
private final static String BLOCKED_NUMBER = "15555215556" ;

private IncomingCallReceiver mIncomingCallReceiver;
private ITelephony mITelephony;
private AudioManager mAudioManager;
//占线时转移,这里13800000000是空号,所以会提示所拨的号码为空号
private final String ENABLE_SERVICE = "tel:**67*13800000000%23" ;

//占线时转移
private final String DISABLE_SERVICE = "tel:%23%2367%23" ;
private final static int OP_REGISTER = 100 ;
private final static int OP_CANCEL = 200 ;

@Override
public void onCreate(Bundle savedInstanceState) {
super .onCreate(savedInstanceState);
setContentView(R.layout.main);

mIncomingCallReceiver = new IncomingCallReceiver();

IntentFilter mIntentFilter = new IntentFilter();
//拦截电话
mIntentFilter.addAction( "Android .intent.action.PHONE_STATE" );
//拦截短信
mIntentFilter.addAction( "Android .provider.Telephony.SMS_RECEIVED" );
//注册BroadcastReceiver
registerReceiver(mIncomingCallReceiver, mIntentFilter);
mAudioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
//利用反射获取隐藏的endcall方法
TelephonyManager mTelephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);

try {
Method getITelephonyMethod = TelephonyManager. class .getDeclaredMethod( "getITelephony" , (Class[]) null );
getITelephonyMethod.setAccessible( true );
mITelephony = (ITelephony) getITelephonyMethod.invoke(mTelephonyManager, (Object[]) null );
} catch (Exception e) {
e.printStackTrace();
}
findViewById(R.id.enableCallTransfer).setOnClickListener( new OnClickListener(){
public void onClick(View view) {
//设置呼叫转移
Message message = mHandler.obtainMessage();
message.what = OP_REGISTER;
mHandler.dispatchMessage(message);
}
});

findViewById(R.id.disableCallTransfer).setOnClickListener( new OnClickListener(){
public void onClick(View view) {
//取消呼叫转移
Message message = mHandler.obtainMessage();
message.what = OP_CANCEL;
mHandler.dispatchMessage(message);
}
});

}
private class IncomingCallReceiver extends BroadcastReceiver{

@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
Log.d( "mayingcai" , "Action:" + action);

if ( "Android .intent.action.PHONE_STATE" .equals(action)){ //拦截电话
String state = intent.getStringExtra(TelephonyManager.EXTRA_STATE);
Log.i( "mayingcai" , "State: " + state);

String number = intent.getStringExtra(TelephonyManager.EXTRA_INCOMING_NUMBER);
Log.d( "mayingcai" , "Incomng Number: " + number);

if (state.equalsIgnoreCase(TelephonyManager.EXTRA_STATE_RINGING)){ //电话正在响铃
if (number.equals(BLOCKED_NUMBER)){ //拦截指定的电话号码
//先静音处理
mAudioManager.setRingerMode(AudioManager.RINGER_MODE_SILENT);
Log.d( "mayingcai" , "Turn Ringtone Silent" );

try {
//挂断电话
mITelephony.endCall();
} catch (Exception e) {
e.printStackTrace();
}

//再恢复正常铃声
mAudioManager.setRingerMode(AudioManager.RINGER_MODE_NORMAL);
}
}
} else if ( "Android .provider.Telephony.SMS_RECEIVED" .equals(action)){ //拦截短信
SmsMessage sms = getMessagesFromIntent(intent)[ 0 ];
String number = sms.getOriginatingAddress();
Log.d( "mayingcai" , "Incomng Number: " + number);
number = trimSmsNumber( "+86" , number); //把国家代码去除掉
if (number.equals(BLOCKED_NUMBER)){
abortBroadcast(); //这句很重要,中断广播后,其他要接收短信的应用都没法收到短信广播了
}
}
}
}
public final static SmsMessage[] getMessagesFromIntent(Intent intent) {
Object[] messages = (Object[]) intent.getSerializableExtra( "pdus" );
byte [][] pduObjs = new byte [messages.length][];
for ( int i = 0 ; i < messages.length; i++) {
pduObjs[i] = ( byte []) messages[i];
}

byte [][] pdus = new byte [pduObjs.length][];
int pduCount = pdus.length;
SmsMessage[] msgs = new SmsMessage[pduCount];

for ( int i = 0 ; i < pduCount; i++) {
pdus[i] = pduObjs[i];
msgs[i] = SmsMessage.createFromPdu(pdus[i]);
}

return msgs;
}

public final static String trimSmsNumber(String prefix, String number){
String s = number;

if (prefix.length()> 0 && number.startsWith(prefix)){
s = number.substring(prefix.length());
}

return s;
}
private Handler mHandler = new Handler() {
public void handleMessage(Message response) {
int what = response.what;
switch (what) {
case OP_REGISTER:{
Intent i = new Intent(Intent.ACTION_CALL);
i.setData(Uri.parse(ENABLE_SERVICE));
startActivity(i);
break ;
}
case OP_CANCEL:{
Intent i = new Intent(Intent.ACTION_CALL);
i.setData(Uri.parse(DISABLE_SERVICE));
startActivity(i);
break ;
}
}
}
};

}

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