ActivityCompat.requestPermissions not showing dialog box

Question

if (ContextCompat.checkSelfPermission(RegisterActivity.this,      Manifest.permission.READ_PHONE_STATE) == PackageManager.PERMISSION_DENIED){
            ActivityCom         


        

Answer 1

For me the issue was I had an invalid request code. I choose 0xDEADBEEF as a request code and it was silently failing (maybe it's cast to something smaller than 32-bit somewhere internally?) If I choose 255 everything worked fine as NightSkyDev described above.