How Do We Distinguish Never-Asked From Stop-Asking in Android M's Runtime Permissions?

Question

When it comes to the M Developer Preview runtime permissions, according to Google:

1. If you have never asked for a certain permission before, just ask for it<

Answer 1

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SO FINALLY MY TIME HAS COME TO ANSWER A QUESTION FROM COMMONSWARE

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Business flow:-

1. When user clicks on "deny permission" for the first time, I will show rationale dialog to explain the necessity of the permission. Then if the user clicks on "cancel" button on the rationale dialog, I will show a toast showing message "Please give permission to get location".

2. After that when user clicks on deny permission(dont ask again) on the permissions dialog, I will show a message "Please give location permission from app settings". Notice that I have added the words "from app settings" because the user has checked the box of "dont ask again".

3. So from now on the permission dialog will not be shown.Also the rationale dialog will not be shown.

So the key here is that if both permission dialog and rationale dialog is not shown, then it means that user has checked the "dont ask again" checkbox.

The code:-

        mFusedLocationClient = LocationServices.getFusedLocationProviderClient(this);
        if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
            if(ActivityCompat.shouldShowRequestPermissionRationale(this,Manifest.permission.ACCESS_FINE_LOCATION)){
                AlertDialogHelper.showDialogWithYesNoCallback(mContext, getString(R.string.confirm), getString(R.string.please_give_permission_to_get_location), new onItemClickReturnBoolean() {
                    @Override
                    public void onItemClick(Boolean status) {
                        if(status){
                            ActivityCompat.requestPermissions(SplashScreenActivity.this,permissions,AppConfig.FINE_LOCATION_PERMISSION_REQUEST_CODE);
                        }
                        else{
                            ShowToast.showShortToast(SplashScreenActivity.this,getString(R.string.please_give_permission_to_get_location));
                            finish();
                        }
                    }
                });
            }
            else{
                ActivityCompat.requestPermissions(this,permissions,AppConfig.FINE_LOCATION_PERMISSION_REQUEST_CODE);
            }
        }
        else{
            gettingLocationAfterPermissionGranted();
        }

    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
        if(requestCode == AppConfig.FINE_LOCATION_PERMISSION_REQUEST_CODE){
            if(grantResults[0] == PackageManager.PERMISSION_GRANTED){
                gettingLocationAfterPermissionGranted();
            }
            else{
                if(ActivityCompat.shouldShowRequestPermissionRationale(SplashScreenActivity.this,Manifest.permission.ACCESS_FINE_LOCATION)){
                    ShowToast.showShortToast(this,getString(R.string.please_give_permission_to_get_location));
                }
                else{
                    ShowToast.showShortToast(this,getString(R.string.please_give_location_permission_from_app_settings));
                }
                finish();
            }
        }
    }

Check this repository: https://github.com/debChowdhury/PermissionHelperEasy

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Easy peasy

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