////////////////////////////////////結束通話電話///////////////////////////////////////
    try {
getITelephony(telmanager).endCall();
} catch (RemoteException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
    //防止電話沒有結束通話
    try {
getITelephony(telmanager).endCall();
} catch (RemoteException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
  

    /////////////////////////////////////////////////接聽電話///////////////////////////////////////////////////

 public void answerRingingCall(Context context,TelephonyManager telmanager) {  
        if (android.os.Build.VERSION.SDK_INT >=10 ) {  
            answerRingingCallWithBroadcast(context,telmanager);  
        } else {  
            answerRingingCallWithReflect(context,telmanager);  
        }  
    } 
    
    private ITelephony getITelephony(TelephonyManager telMgr) throws Exception {
Method getITelephonyMethod = telMgr.getClass().getDeclaredMethod(
"getITelephony");
getITelephonyMethod.setAccessible(true);
return (ITelephony) getITelephonyMethod.invoke(telMgr);
}
      
    /**
     * android 2.3之前的系統可以使用反射接聽電話。
     * @param context
     */  
    private void answerRingingCallWithReflect(Context context,TelephonyManager telmanager) {  
    try {
getITelephony(telmanager).answerRingingCall();
} catch (RemoteException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
    }  
      
    /**
     * 偽造一個有線耳機插入，並按接聽鍵的廣播，讓系統開始接聽電話。
     * @param context,telmanager
     */  
    private void answerRingingCallWithBroadcast(Context context,TelephonyManager telmanager){  
        AudioManager audioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);  
        //判斷是否插上了耳機  
        if (! audioManager.isWiredHeadsetOn()) { 
        if(android.os.Build.VERSION.SDK_INT >=15 ){
                Intent meidaButtonIntent = new Intent(Intent.ACTION_MEDIA_BUTTON);  
                KeyEvent keyEvent = new KeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_HEADSETHOOK);  
                meidaButtonIntent.putExtra(Intent.EXTRA_KEY_EVENT,keyEvent);  
                context.sendOrderedBroadcast(meidaButtonIntent, null);  
        }else{
        Intent localIntent1 = new Intent(Intent.ACTION_HEADSET_PLUG);  
                localIntent1.addFlags(Intent.FLAG_ACTIVITY_NO_HISTORY);  
                localIntent1.putExtra("state", 1);  
                localIntent1.putExtra("microphone", 1);  
                localIntent1.putExtra("name", "Headset");  
                context.sendOrderedBroadcast(localIntent1,  "android.permission.CALL_PRIVILEGED");  
                
                Intent localIntent2 = new Intent(Intent.ACTION_MEDIA_BUTTON);  
                KeyEvent localKeyEvent1 = new KeyEvent(KeyEvent.ACTION_DOWN,   KeyEvent.KEYCODE_HEADSETHOOK);  
                localIntent2.putExtra(Intent.EXTRA_KEY_EVENT,   localKeyEvent1);  
                context. sendOrderedBroadcast(localIntent2,  "android.permission.CALL_PRIVILEGED"); 
                
                Intent localIntent3 = new Intent(Intent.ACTION_MEDIA_BUTTON);  
                KeyEvent localKeyEvent2 = new KeyEvent(KeyEvent.ACTION_UP,  KeyEvent.KEYCODE_HEADSETHOOK);  
                localIntent3.putExtra(Intent.EXTRA_KEY_EVENT,  localKeyEvent2);  
                context.sendOrderedBroadcast(localIntent3,   "android.permission.CALL_PRIVILEGED");  
                
                Intent localIntent4 = new Intent(Intent.ACTION_HEADSET_PLUG);  
                localIntent4.addFlags(Intent.FLAG_ACTIVITY_NO_HISTORY);  
                localIntent4.putExtra("state", 0);  
                localIntent4.putExtra("microphone", 1);  
                localIntent4.putExtra("name", "Headset");  
                context.sendOrderedBroadcast(localIntent4, "android.permission.CALL_PRIVILEGED");
        }
              
        } else {  
            Intent meidaButtonIntent = new Intent(Intent.ACTION_MEDIA_BUTTON);  
            KeyEvent keyEvent = new KeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_HEADSETHOOK);  
            meidaButtonIntent.putExtra(Intent.EXTRA_KEY_EVENT,keyEvent);  
            context.sendOrderedBroadcast(meidaButtonIntent, null);  
        }  
    }