在来电和恢复通话结束后处理Android应用程序暂停 [英] Handling Android application pause on incoming call and resume after call end

问题描述

我要暂停我的Andr​​oid应用程序，当手机收到来电。通话结束后，我想我的应用程序自动恢复。

I want to pause my android application when the phone receives an incoming call. After the call ends, I want my applications to resume automatically.

如何在Android应用程序本实施？

How would this be implemented in an Android application?

推荐答案

您必须执行的监听器PhoneState。我在一个私有类这样做：

you have to implement a Listener for the PhoneState. I did this in a private Class:

private class PhoneCallListener extends PhoneStateListener {

    private boolean isPhoneCalling = false;

    // needed for logging
    String TAG = "PhoneCallListener";

    @Override
    public void onCallStateChanged(int state, String incomingNumber) {

        if (TelephonyManager.CALL_STATE_RINGING == state) {
            // phone ringing
            Log.i(TAG, "RINGING, number: " + incomingNumber);
        }

        if (TelephonyManager.CALL_STATE_OFFHOOK == state) {
            // active
            Log.i(TAG, "OFFHOOK");

            isPhoneCalling = true;
        }

        if (TelephonyManager.CALL_STATE_IDLE == state) {
            // run when class initial and phone call ended,
            // need detect flag from CALL_STATE_OFFHOOK
            Log.i(TAG, "IDLE");

            if (isPhoneCalling) {

                Log.i(TAG, "restart app");

                // restart call application
                Intent i = getBaseContext().getPackageManager()
                        .getLaunchIntentForPackage(
                                getBaseContext().getPackageName());
                i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
                        | Intent.FLAG_ACTIVITY_CLEAR_TOP
                        | Intent.FLAG_ACTIVITY_SINGLE_TOP);
                startActivity(i);

                isPhoneCalling = false;
            }

        }


}
}

和你需要的权限添加到清单，文件

and you need to add the permission to the Manifest-File

<uses-permission android:name="android.permission.READ_PHONE_STATE" />

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