android拦截电话代码
时间: 2023-10-03 21:05:25 浏览: 46
以下是 Android 拦截电话的代码:
首先,在 AndroidManifest.xml 文件中添加权限:
```xml
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
<uses-permission android:name="android.permission.CALL_PHONE" />
<uses-permission android:name="android.permission.MODIFY_PHONE_STATE" />
<uses-permission android:name="android.permission.PROCESS_OUTGOING_CALLS" />
```
然后,在代码中实现 PhoneStateListener 和 BroadcastReceiver:
```java
public class MyPhoneStateListener extends PhoneStateListener {
@Override
public void onCallStateChanged(int state, String incomingNumber) {
super.onCallStateChanged(state, incomingNumber);
switch (state) {
case TelephonyManager.CALL_STATE_IDLE:
// 电话挂断
break;
case TelephonyManager.CALL_STATE_RINGING:
// 电话响铃
break;
case TelephonyManager.CALL_STATE_OFFHOOK:
// 电话接通
break;
}
}
}
public class MyBroadcastReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
if (intent.getAction().equals(Intent.ACTION_NEW_OUTGOING_CALL)) {
// 拨打电话
} else {
TelephonyManager telephonyManager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
if (telephonyManager != null) {
switch (telephonyManager.getCallState()) {
case TelephonyManager.CALL_STATE_IDLE:
// 电话挂断
break;
case TelephonyManager.CALL_STATE_RINGING:
// 电话响铃
break;
case TelephonyManager.CALL_STATE_OFFHOOK:
// 电话接通
break;
}
}
}
}
}
```
最后,在 Activity 中注册监听器和广播接收器:
```java
public class MainActivity extends AppCompatActivity {
private MyPhoneStateListener mPhoneStateListener;
private MyBroadcastReceiver mBroadcastReceiver;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
TelephonyManager telephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
if (telephonyManager != null) {
mPhoneStateListener = new MyPhoneStateListener();
telephonyManager.listen(mPhoneStateListener, PhoneStateListener.LISTEN_CALL_STATE);
}
mBroadcastReceiver = new MyBroadcastReceiver();
IntentFilter intentFilter = new IntentFilter();
intentFilter.addAction(Intent.ACTION_NEW_OUTGOING_CALL);
intentFilter.addAction(TelephonyManager.ACTION_PHONE_STATE_CHANGED);
registerReceiver(mBroadcastReceiver, intentFilter);
}
@Override
protected void onDestroy() {
super.onDestroy();
if (mPhoneStateListener != null) {
TelephonyManager telephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
if (telephonyManager != null) {
telephonyManager.listen(mPhoneStateListener, PhoneStateListener.LISTEN_NONE);
}
}
if (mBroadcastReceiver != null) {
unregisterReceiver(mBroadcastReceiver);
}
}
}
```
以上代码实现了拦截电话的功能,你可以根据具体需求进行修改和完善。