手机邦Listner无法正常工作android

Question

**当它处于OffHook状态时，它不会中断while循环。保持在while循环中。两种状态下的函数调用都能正常工作，但**

PhoneStateListener phoneStateListener = new PhoneStateListener() {
            @Override
            public void onCallStateChanged(int state, String incomingNumber) {
                // TODO Auto-generated method stub
                // super.onCallStateChanged(state, incomingNumber);
                switch (state) {
                case  TelephonyManager.CALL_STATE_RINGING:
                    callStatus=true;
                    while(callStatus)
                    {

                    OnOff();
                    if(state==TelephonyManager.CALL_STATE_OFFHOOK)
                    {
                        break;

                    }

                    }
                    break;
                case  TelephonyManager.CALL_STATE_OFFHOOK:
                    callStatus=false;
                    Off();
                    break;
                default:
                    break;
                }

Answer 1

我从以下地方得到了完整的工作代码 此处.

呼叫接收方代码。

public class CallReceiver extends BroadcastReceiver {

@Override
public void onReceive(Context context, Intent intent) {
    //Log.w("intent " , intent.getAction().toString());
    TelephonyManager telephony = (TelephonyManager)context.getSystemService(Context.TELEPHONY_SERVICE);
    MyPhoneStateListener customPhoneListener = new MyPhoneStateListener();

    telephony.listen(customPhoneListener, PhoneStateListener.LISTEN_CALL_STATE);

    Bundle bundle = intent.getExtras();
    String phone_number = bundle.getString("incoming_number");

    String stateStr = intent.getExtras().getString(TelephonyManager.EXTRA_STATE);
    // String number = intent.getExtras().getString(TelephonyManager.EXTRA_INCOMING_NUMBER);
    int state = 0;
    if(stateStr.equals(TelephonyManager.EXTRA_STATE_IDLE)){
        state = TelephonyManager.CALL_STATE_IDLE;
    }
    else if(stateStr.equals(TelephonyManager.EXTRA_STATE_OFFHOOK)){
        state = TelephonyManager.CALL_STATE_OFFHOOK;
    }
    else if(stateStr.equals(TelephonyManager.EXTRA_STATE_RINGING)){
        state = TelephonyManager.CALL_STATE_RINGING;
    }
    if (phone_number == null || "".equals(phone_number)) {
        return;
    }
    customPhoneListener.onCallStateChanged(context, state, phone_number);
    Toast.makeText(context, "Phone Number " + phone_number , Toast.LENGTH_SHORT).show();
}}

呼叫接收方

public void onCallStateChanged(Context context, int state, String phoneNumber){
    if(lastState == state){
        //No change, debounce extras
        return;
    }

    System.out.println("Number inside onCallStateChange : "  + phoneNumber);
    switch(state){
        case TelephonyManager.CALL_STATE_RINGING:
            isIncoming = true;
            callStartTime = new Date();

            Toast.makeText(context, "Incoming Call Ringing " + phoneNumber, Toast.LENGTH_SHORT).show();
            break;
        case TelephonyManager.CALL_STATE_OFFHOOK:
            if(lastState != TelephonyManager.CALL_STATE_RINGING){
                isIncoming = false;
                callStartTime = new Date();
                Toast.makeText(context, "Outgoing Call Started " + phoneNumber, Toast.LENGTH_SHORT).show();
            }
            break;

        case TelephonyManager.CALL_STATE_IDLE:
            //Went to idle-  this is the end of a call.  What type depends on previous state(s)
            if(lastState == TelephonyManager.CALL_STATE_RINGING){
                //Ring but no pickup-  a miss
                Toast.makeText(context, "Ringing but no pickup" + phoneNumber + " Call time " + callStartTime +" Date " + new Date() , Toast.LENGTH_SHORT).show();
            }
            else if(isIncoming){

                Toast.makeText(context, "Incoming " + phoneNumber + " Call time " + callStartTime  , Toast.LENGTH_SHORT).show();
            }
            else{

                Toast.makeText(context, "outgoing " + phoneNumber + " Call time " + callStartTime +" Date " + new Date() , Toast.LENGTH_SHORT).show();

            }

            break;
    }
    lastState = state;
}

Answer 2

每次调用广播接收器时，都会创建一个新的实例。 所以你的代码不会工作--它永远不会在同一个对象上获得OFFHOOK。 如果callStatus是一个静态的，它可能会工作，但即使这样也是糟糕的代码--你正忙于在ui线程上循环。