短信拦截实现
手机状态发生改变时，系统会发生各种广播。如电池信息、收到短信、接听电话等灯。如果要拦截手机的短信，只需要接受系统短信广播即可。短信广播属于有序广播，可以传递到下一个广接收者处理。如果需要屏蔽系统接收短信，只需要中断广播的传输。
短信广播 android.provider.Telephony.SMS_RECEIVED
1. 定义广播接收器
public class SmsReceiver extends BroadcastReceiver
{
@Override
public void onReceive(Context context, Intent intent)
{
// 如果是接收到短信
if (intent.getAction().equals("android.provider.Telephony.SMS_RECEIVED"))
{
// 取消广播（这行代码将会让系统收不到短信）
abortBroadcast();
StringBuilder sb = new StringBuilder();
// 接收由SMS传过来的数据
Bundle bundle = intent.getExtras();
// 判断是否有数据
if (bundle != null)
{
// 通过pdus可以获得接收到的所有短信消息
Object[] pdus = (Object[]) bundle.get("pdus");
// 构建短信对象array,并依据收到的对象长度来创建array的大小
SmsMessage[] messages = new SmsMessage[pdus.length];
for (int i = 0; i < pdus.length; i++)
{
messages[i] = SmsMessage
.createFromPdu((byte[]) pdus[i]);
}
// 将送来的短信合并自定义信息于StringBuilder当中
for (SmsMessage message : messages)
{
sb.append("短信来源:");
// 获得接收短信的电话号码
sb.append(message.getDisplayOriginatingAddress());
sb.append("\n------短信内容------\n");
// 获得短信的内容
sb.append(message.getDisplayMessageBody());
}
}
Toast.makeText(context, sb.toString()
, Toast.LENGTH_LONG).show();
}
}
}
2.配置广播
<receiver
android:name=".SmsReceiver" >
<!--android:priority 广播接收优先级别 -->
<intent-filter android:priority="800" >
<action android:name="android.provider.Telephony.SMS_RECEIVED"/>
</intent-filter>
</receiver >
添加接收短信权限
<uses-permission android:name="android.permission.RECEIVE_SMS"/>
电话拦截
1.获取手机管理对象
final TelephonyManager telManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
2. extends PhoneStateListener 监听手机状态
class MyPhoneStateListener extends PhoneStateListener
{
@Override
public void onCallStateChanged(int state, String incomingNumber)
{
super.onCallStateChanged(state, incomingNumber);
switch (state)
{
case TelephonyManager.CALL_STATE_IDLE:
am.setRingerMode(AudioManager.RINGER_MODE_NORMAL);
Log.i("CALL_STATE_IDLE", "无活动"+" "+incomingNumber);
break;
case TelephonyManager.CALL_STATE_OFFHOOK:
Toast.makeText(getApplicationContext(), "来电已经接听", Toast.LENGTH_SHORT).show();
Log.i("CALL_STATE_OFFHOOK", "摘机。"+" "+incomingNumber);
break;
case TelephonyManager.CALL_STATE_RINGING:
//当手机接收来电时，设置静音
am.setRingerMode(AudioManager.RINGER_MODE_SILENT);
//正当模式 mAudioManager.setRingerMode(AudioManager.RINGER_MODE_NORMAL);
Toast.makeText(getApplicationContext(), "来电已经拦截", Toast.LENGTH_SHORT).show();
Log.i("CALL_STATE_RINGING", "振铃"+" "+incomingNumber);
break;
}
}
}
3. 注册监听器
telManager.listen(new MyPhoneStateListener(), PhoneStateListener.LISTEN_CALL_STATE);
//添加读取手机状态权限
<uses-permission android:name="android.permission.READ_PHONE_STATE"/>
测试类：
public class TestSmsActivity extends Activity
{
Button but = null;
AudioManager am = null;
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
final TelephonyManager telManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
am = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
but = (Button) findViewById(R.id.call);
but.setOnClickListener(new View.OnClickListener()
{
@Override
public void onClick(View v)
{
telManager.listen(new MyPhoneStateListener(), PhoneStateListener.LISTEN_CALL_STATE);
Toast.makeText(getApplicationContext(), "拦截已开启", Toast.LENGTH_SHORT).show();
}
});
}
class MyPhoneStateListener extends PhoneStateListener
{
@Override
public void onCallStateChanged(int state, String incomingNumber)
{
super.onCallStateChanged(state, incomingNumber);
switch (state)
{
case TelephonyManager.CALL_STATE_IDLE:
am.setRingerMode(AudioManager.RINGER_MODE_NORMAL);
Log.i("CALL_STATE_IDLE", "无活动"+" "+incomingNumber);
break;
case TelephonyManager.CALL_STATE_OFFHOOK:
Toast.makeText(getApplicationContext(), "来电已经接听", Toast.LENGTH_SHORT).show();
Log.i("CALL_STATE_OFFHOOK", "摘机。"+" "+incomingNumber);
break;
case TelephonyManager.CALL_STATE_RINGING:
//设置静音
am.setRingerMode(AudioManager.RINGER_MODE_SILENT);
//正当模式 mAudioManager.setRingerMode(AudioManager.RINGER_MODE_NORMAL);
Toast.makeText(getApplicationContext(), "来电已经拦截", Toast.LENGTH_SHORT).show();
Log.i("CALL_STATE_RINGING", "振铃"+" "+incomingNumber);
break;
}
}
}
}