Ошибка преобразования строки в int для преобразования времени мультимедиа в минуты и секунды

Question

Пожалуйста, мой apk работал нормально, принимая информацию о времени для медиа-песни, и неожиданно начал генерировать ошибку с переменной int в тот момент, когда он преобразует строковую переменную в int для вычисления времени в минутах и ​​секундах.Вот эта ошибка¨

E/AndroidRuntime: FATAL EXCEPTION: main
    Process: com.example.musicplayer, PID: 17390
    java.lang.RuntimeException: Failure delivering result ResultInfo{who=@android:requestPermissions:, request=1, result=-1, data=Intent { act=android.content.pm.action.REQUEST_PERMISSIONS (has extras) }} to activity {com.example.musicplayer/com.example.musicplayer.MainActivity}: java.lang.NumberFormatException: s == null
        at android.app.ActivityThread.deliverResults(ActivityThread.java:5041)
        at android.app.ActivityThread.handleSendResult(ActivityThread.java:5084)
        at android.app.ActivityThread.-wrap20(Unknown Source:0)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2053)
        at android.os.Handler.dispatchMessage(Handler.java:108)
        at android.os.Looper.loop(Looper.java:166)
        at android.app.ActivityThread.main(ActivityThread.java:7529)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:245)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:921)
     Caused by: java.lang.NumberFormatException: s == null
        at java.lang.Integer.parseInt(Integer.java:570)
        at java.lang.Integer.parseInt(Integer.java:643)
        at com.example.musicplayer.MainActivity.getSongTitle(MainActivity.java:655)
        at com.example.musicplayer.MainActivity.onRequestPermissionsResult(MainActivity.java:689)
        at android.app.Activity.dispatchRequestPermissionsResult(Activity.java:7854)
        at android.app.Activity.dispatchActivityResult(Activity.java:7705)
        at android.app.ActivityThread.deliverResults(ActivityThread.java:5037)
        at android.app.ActivityThread.handleSendResult(ActivityThread.java:5084) 
        at android.app.ActivityThread.-wrap20(Unknown Source:0) 
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2053) 
        at android.os.Handler.dispatchMessage(Handler.java:108) 
        at android.os.Looper.loop(Looper.java:166) 
        at android.app.ActivityThread.main(ActivityThread.java:7529) 
        at java.lang.reflect.Method.invoke(Native Method) 
        at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:245) 
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:921) 
I/Process: Sending signal. PID: 17390 SIG: 9
Application terminated.

код следующий:

public void getSongTitle() {

  int Time1 = 0;
  //retrieve song info
    ContentResolver musicResolver = getContentResolver();
    Uri musicUri = android.provider.MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
    Cursor musicCursor = musicResolver.query(musicUri, null, null, null, null);
    if(musicCursor!=null && musicCursor.moveToFirst()){
        //get columns
        int titleColumn = musicCursor.getColumnIndex
                (android.provider.MediaStore.Audio.Media.TITLE);
        int idColumn = musicCursor.getColumnIndex
                (android.provider.MediaStore.Audio.Media._ID);
        int artistColumn = musicCursor.getColumnIndex
                (android.provider.MediaStore.Audio.Media.ARTIST);
        int timeColumn = musicCursor.getColumnIndex
                (android.provider.MediaStore.Audio.Media.DURATION);
        int time1Column = musicCursor.getColumnIndex
                (android.provider.MediaStore.Audio.Media.DURATION);

        do {
            long thisId = musicCursor.getLong(idColumn);
            String thisTitle = musicCursor.getString(titleColumn);
            String thisArtist = musicCursor.getString(artistColumn);
            String thisTime = musicCursor.getString(timeColumn);
            String thisTime1 = ("");

            Time1 = Integer.parseInt(thisTime)/1000;
            double min = Math.floor(Time1/60);
            double sec = (Time1 -min*60);

            //thisTime1 = (""+min);
            if (min<10) {
                if (sec<10) {
                    thisTime1 =("0"+Math.round(min)+":0"+Math.round(sec));
                }else{
                    thisTime1 =("0"+Math.round(min)+":"+Math.round(sec));
                }
            }else {
                if (sec<10) {
                    thisTime1 =(""+Math.round(min)+":0"+Math.round(sec));
                } else {
                    thisTime1 =(""+Math.round(min)+":"+Math.round(sec));
                }
            }

            songList.add(new Song(thisId, thisTitle, thisArtist, thisTime, thisTime1));

        }
        while (musicCursor.moveToNext());
    }
}

at com.example.musicplayer.MainActivity.getSongTitle(MainActivity.java:655) ЕСТЬ ЛИНИЯ Time1 = Integer.parseInt(thisTime)/1000;

    com.example.musicplayer.MainActivity.onRequestPermissionsResult(MainActivity.java:689) IS WHEN I CALL THE METHOD