Android Permission Dont Ask Me Again

Android M - check runtime permission - how to determine if the user checked "Never inquire again"?

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  • Android M - bank check runtime permission - how to determine if the user checked "Never inquire once again"?

According to this: http://programmer.android.com/preview/features/runtime-permissions.html#coding an app tin can check for runtime permissions and request permissions if it hasn't been granted already. The following dialog will exist displayed then:

enter image description here

In case the user declines an of import permission, imo an app should brandish an caption why the permission is needed and what bear upon declining has. That dialog has two options:

  1. re-endeavor again (permission is requested again)
  2. deny (app will work without that permission).

If the user checks Never ask again however, the second dialog with the explanation shouldn't be shown, peculiarly if the user already declined once earlier. Now the question is: how does my app know whether the user has checked the Never ask again? IMO the onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) doesn't requite me that data.

A 2d question would be: does Google take plans to incorporate a custom message in the permission dialog that would explain why the app needs the permission? That way there would never be a 2nd dialog which would certainly make for a better ux.

This question is tagged with android android-permissions android-six.0-marshmallow

~ Asked on 2015-06-08 21:03:34

25 Answers


Developer Preview 2 brings some changes to how permissions are requested by the app (see as well http://developer.android.com/preview/back up.html#preview2-notes).

The starting time dialog now looks like this:

enter image description here

In that location's no "Never prove once again" cheque-box (dissimilar developer preview 1). If the user denies the permission and if the permission is essential for the app information technology could present another dialog to explain the reason the app asks for that permission, e.g. like this:

enter image description here

If the user declines once more the app should either shut downwards if it absolutely needs that permission or go along running with express functionality. If the user reconsiders (and selects re-try), the permission is requested over again. This fourth dimension the prompt looks similar this:

enter image description here

The 2d time the "Never ask over again" cheque-box is shown. If the user denies again and the bank check-box is ticked nothing more than should happen. Whether or non the check-box is ticked can be determined by using Activeness.shouldShowRequestPermissionRationale(Cord), eastward.g. similar this:

              if (shouldShowRequestPermissionRationale(Manifest.permission.WRITE_CONTACTS)) {...                          

That's what the Android documentation says (https://developer.android.com/preparation/permissions/requesting.html):

To assist find the situations where yous need to provide extra explanation, the system provides the Activeness.shouldShowRequestPermissionRationale(String) method. This method returns true if the app has requested this permission previously and the user denied the request. That indicates that you should probably explain to the user why you need the permission.

If the user turned downwardly the permission request in the past and chose the Don't ask again option in the permission request arrangement dialog, this method returns simulated. The method likewise returns false if the device policy prohibits the app from having that permission.

To know if the user denied with "never ask again" you can check again the shouldShowRequestPermissionRationale method in your onRequestPermissionsResult when the user did non grant the permission.

              @Override public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {     if (requestCode == REQUEST_PERMISSION) {         // for each permission check if the user granted/denied them         // you may want to group the rationale in a single dialog,         // this is just an case         for (int i = 0, len = permissions.length; i < len; i++) {             String permission = permissions[i];             if (grantResults[i] == PackageManager.PERMISSION_DENIED) {             // user rejected the permission                 boolean showRationale = shouldShowRequestPermissionRationale( permission );                 if (! showRationale) {                     // user also CHECKED "never ask again"                     // you can either enable some fall back,                     // disable features of your app                     // or open another dialog explaining                     // again the permission and directing to                     // the app setting                 } else if (Manifest.permission.WRITE_CONTACTS.equals(permission)) {                     showRationale(permission, R.cord.permission_denied_contacts);                     // user did Non check "never ask again"                     // this is a practiced place to explicate the user                     // why you need the permission and inquire if he wants                     // to accept it (the rationale)                 } else if ( /* possibly check more than permissions...*/ ) {                 }             }         }     } }                          

You lot tin can open up your app setting with this lawmaking:

              Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS); Uri uri = Uri.fromParts("packet", getPackageName(), null); intent.setData(uri); startActivityForResult(intent, REQUEST_PERMISSION_SETTING);                          

There is no way of sending the user directly to the Authorization page.

~ Answered on 2015-08-10 17:33:31


Yous can check shouldShowRequestPermissionRationale() in your onRequestPermissionsResult().

shouldShowRequestPermissionRationale https://youtu.be/C8lUdPVSzDk?t=2m23s

Cheque whether permission was granted or not in onRequestPermissionsResult(). If non then check shouldShowRequestPermissionRationale().

  1. If this method returns true so bear witness an explanation that why this item permission is needed. Then depending on user's choice again requestPermissions().
  2. If it returns false and so show an error message that permission was not granted and app cannot continue farther or a detail feature is disabled.

Below is sample code.

              @Override public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {     super.onRequestPermissionsResult(requestCode, permissions, grantResults);     switch (requestCode) {         case STORAGE_PERMISSION_REQUEST:             if (grantResults.length > 0                     && grantResults[0] == PackageManager.PERMISSION_GRANTED) {                 // permission was granted :)                 downloadFile();             } else {                 // permission was not granted                 if (getActivity() == nothing) {                     return;                 }                 if (ActivityCompat.shouldShowRequestPermissionRationale(getActivity(), Manifest.permission.WRITE_EXTERNAL_STORAGE)) {                     showStoragePermissionRationale();                 } else {                     Snackbar snackbar = Snackbar.make(getView(), getResources().getString(R.cord.message_no_storage_permission_snackbar), Snackbar.LENGTH_LONG);                     snackbar.setAction(getResources().getString(R.string.settings), new View.OnClickListener() {                         @Override                         public void onClick(View v) {                             if (getActivity() == null) {                                 return;                             }                             Intent intent = new Intent();                             intent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);                             Uri uri = Uri.fromParts("parcel", getActivity().getPackageName(), goose egg);                             intent.setData(uri);                             OrderDetailFragment.this.startActivity(intent);                         }                     });                     snackbar.testify();                 }             }             break;     } }                          

Apparently, google maps does exactly this for location permission.

~ Answered on 2015-eleven-04 05:41:05


Here is a overnice and easy method to check the current permission status:

                              @Retentiveness(RetentionPolicy.SOURCE)     @IntDef({GRANTED, DENIED, BLOCKED_OR_NEVER_ASKED })     public @interface PermissionStatus {}      public static concluding int GRANTED = 0;     public static last int DENIED = ane;     public static concluding int BLOCKED_OR_NEVER_ASKED = 2;      @PermissionStatus      public static int getPermissionStatus(Activeness activity, String androidPermissionName) {         if(ContextCompat.checkSelfPermission(activity, androidPermissionName) != PackageManager.PERMISSION_GRANTED) {             if(!ActivityCompat.shouldShowRequestPermissionRationale(activity, androidPermissionName)){                 return BLOCKED_OR_NEVER_ASKED;             }             return DENIED;         }         render GRANTED;     }                          

Caveat: returns BLOCKED_OR_NEVER_ASKED the first app start, before the user accustomed/denied the permission through the user prompt (on sdk 23+ devices)

Update:

The Android support library now also seems to have a very similar class android.back up.v4.content.PermissionChecker which contains a checkSelfPermission() which returns:

              public static final int PERMISSION_GRANTED = 0; public static concluding int PERMISSION_DENIED = -one; public static last int PERMISSION_DENIED_APP_OP = -two;                          

~ Answered on 2016-01-26 11:46:26


Once the user has marked "Do not ask over again," the question can non be displayed once again. But information technology tin be explained to the user that he has previously denied the permission and must grant permission in the settings. And reference him to the settings, with the post-obit code:

              @Override public void onRequestPermissionsResult(int permsRequestCode, String[] permissions, int[] grantResults) {      if (grantResults.length > 0             && grantResults[0] == PackageManager.PERMISSION_GRANTED) {         // now, y'all have permission get ahead         // TODO: something      } else {          if (ActivityCompat.shouldShowRequestPermissionRationale(MainActivity.this,                 Manifest.permission.READ_CALL_LOG)) {             // at present, user has denied permission (simply not permanently!)          } else {              // now, user has denied permission permanently!              Snackbar snackbar = Snackbar.brand(findViewById(android.R.id.content), "Y'all accept previously declined this permission.\north" +                 "You must corroborate this permission in \"Permissions\" in the app settings on your device.", Snackbar.LENGTH_LONG).setAction("Settings", new View.OnClickListener() {             @Override             public void onClick(View view) {                  startActivity(new Intent(android.provider.Settings.ACTION_APPLICATION_DETAILS_SETTINGS, Uri.parse("package:" + BuildConfig.APPLICATION_ID)));              }         });         View snackbarView = snackbar.getView();         TextView textView = (TextView) snackbarView.findViewById(android.support.design.R.id.snackbar_text);         textView.setMaxLines(5);  //Or as much as y'all need         snackbar.show();          }      }     return; }                          

~ Answered on 2018-07-25 08:53:12


Y'all can decide it by checking if permission rationale is to be shown inside the onRequestPermissionsResult() callback method. And if you find whatever permission set to never ask again, you can request users to grant permissions from the settings.

My full implementation would be like below. It works for both single or multiple permissions requests. Utilise the following or directly utilize my library.

              @Override public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {     if(permissions.length == 0){         return;     }     boolean allPermissionsGranted = true;     if(grantResults.length>0){         for(int grantResult: grantResults){             if(grantResult != PackageManager.PERMISSION_GRANTED){                 allPermissionsGranted = faux;                 pause;             }         }     }     if(!allPermissionsGranted){         boolean somePermissionsForeverDenied = false;         for(String permission: permissions){             if(ActivityCompat.shouldShowRequestPermissionRationale(this, permission)){                 //denied                 Log.east("denied", permission);             }else{                 if(ActivityCompat.checkSelfPermission(this, permission) == PackageManager.PERMISSION_GRANTED){                     //allowed                     Log.east("allowed", permission);                 } else{                     //set to never enquire once more                     Log.e("set to never ask again", permission);                     somePermissionsForeverDenied = true;                 }             }         }         if(somePermissionsForeverDenied){             terminal AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(this);             alertDialogBuilder.setTitle("Permissions Required")                     .setMessage("You accept forcefully denied some of the required permissions " +                             "for this activeness. Delight open up settings, go to permissions and permit them.")                     .setPositiveButton("Settings", new DialogInterface.OnClickListener() {                         @Override                         public void onClick(DialogInterface dialog, int which) {                             Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS,                                     Uri.fromParts("package", getPackageName(), aught));                             intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);                             startActivity(intent);                         }                     })                     .setNegativeButton("Abolish", new DialogInterface.OnClickListener() {                         @Override                         public void onClick(DialogInterface dialog, int which) {                         }                     })                     .setCancelable(false)                     .create()                     .show();         }     } else {         switch (requestCode) {             //act according to the request code used while requesting the permission(s).         }     } }                          

~ Answered on 2016-12-22 17:02:49


May exist useful for someone:--

What I have noticed is, if we check the shouldShowRequestPermissionRationale() flag in to onRequestPermissionsResult() callback method, it shows only ii states.

State 1:-Return true:-- Any fourth dimension user clicks Deny permissions (including the very first time).

State 2:-Returns fake :- if user selects "never asks once again".

Link of detailed working instance

~ Answered on 2016-02-19 01:47:38


If you want to observe all the "states" (first time denied, just been denied, simply been denied with "Never Ask Over again" or permanently denied) you tin can exercise the post-obit:

Create two Booleans:

              private boolean beforeClickPermissionRat; private boolean afterClickPermissionRat;                          

Set the first one before asking for permission:

              beforeClickPermissionRat = shouldShowRequestPermissionRationale(Manifest.permission.READ_EXTERNAL_STORAGE);                          

Fix the second i inside your onRequestPermissionsResult method:

              afterClickPermissionRat = shouldShowRequestPermissionRationale(Manifest.permission.READ_EXTERNAL_STORAGE);                          

Use the post-obit "truth table" to do whatever you need in onRequestPermissionsResult() (afterward checking that you lot still don't accept the permission):

              // before after // FALSE  False  =  Was denied permanently, still denied permanently --> App Settings // Fake  Truthful   =  First time deny, not denied permanently yet --> Nil // Truthful   FALSE  =  Just been permanently denied --> Changing my explanation to "Get to app settings to edit permissions" // TRUE   Truthful   =  Wasn't denied permanently, yet non denied permanently --> Nil                          

~ Answered on 2016-12-23 16:18:18


I had the aforementioned problem and I figured it out. To brand life much simpler, I wrote an util class to handle runtime permissions.

              public grade PermissionUtil {     /*     * Check if version is marshmallow and in a higher place.     * Used in deciding to ask runtime permission     * */     public static boolean shouldAskPermission() {         return (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M);     } private static boolean shouldAskPermission(Context context, String permission){         if (shouldAskPermission()) {             int permissionResult = ActivityCompat.checkSelfPermission(context, permission);             if (permissionResult != PackageManager.PERMISSION_GRANTED) {                 return truthful;             }         }         return imitation;     } public static void checkPermission(Context context, String permission, PermissionAskListener listener){ /*         * If permission is not granted         * */         if (shouldAskPermission(context, permission)){ /*             * If permission denied previously             * */             if (((Activity)context).shouldShowRequestPermissionRationale(permission)) {                 listener.onPermissionPreviouslyDenied();             } else {                 /*                 * Permission denied or first fourth dimension requested                 * */ if (PreferencesUtil.isFirstTimeAskingPermission(context, permission)) {                     PreferencesUtil.firstTimeAskingPermission(context, permission, false);                     listener.onPermissionAsk();                 } else {                     /*                     * Handle the feature without permission or inquire user to manually let permission                     * */                     listener.onPermissionDisabled();                 }             }         } else {             listener.onPermissionGranted();         }     } /*     * Callback on diverse cases on checking permission     *     * 1.  Below M, runtime permission not needed. In that instance onPermissionGranted() would exist chosen.     *     If permission is already granted, onPermissionGranted() would be called.     *     * 2.  Above M, if the permission is existence asked start time onPermissionAsk() would be called.     *     * 3.  To a higher place K, if the permission is previously asked but not granted, onPermissionPreviouslyDenied()     *     would be chosen.     *     * 4.  To a higher place 1000, if the permission is disabled by device policy or the user checked "Never ask again"     *     check box on previous request permission, onPermissionDisabled() would exist chosen.     * */     public interface PermissionAskListener { /*         * Callback to ask permission         * */         void onPermissionAsk(); /*         * Callback on permission denied         * */         void onPermissionPreviouslyDenied(); /*         * Callback on permission "Never evidence again" checked and denied         * */         void onPermissionDisabled(); /*         * Callback on permission granted         * */         void onPermissionGranted();     } }                          

And the PreferenceUtil methods are as follows.

              public static void firstTimeAskingPermission(Context context, Cord permission, boolean isFirstTime){ SharedPreferences sharedPreference = context.getSharedPreferences(PREFS_FILE_NAME, MODE_PRIVATE;  sharedPreference.edit().putBoolean(permission, isFirstTime).apply();  } public static boolean isFirstTimeAskingPermission(Context context, String permission){ return context.getSharedPreferences(PREFS_FILE_NAME, MODE_PRIVATE).getBoolean(permission, true); }                          

At present, all yous need is to utilize the method * checkPermission* with proper arguments.

Here is an example,

              PermissionUtil.checkPermission(context, Manifest.permission.WRITE_EXTERNAL_STORAGE,                     new PermissionUtil.PermissionAskListener() {                         @Override                         public void onPermissionAsk() {                             ActivityCompat.requestPermissions(                                     thisActivity,               new Cord[]{Manifest.permission.READ_CONTACTS},                             REQUEST_EXTERNAL_STORAGE                             );                         } @Override                         public void onPermissionPreviouslyDenied() {                        //bear witness a dialog explaining permission and and so request permission                         } @Override                         public void onPermissionDisabled() { Toast.makeText(context, "Permission Disabled.", Toast.LENGTH_SHORT).show();                         } @Override                         public void onPermissionGranted() {                             readContacts();                         }                     });                          

how does my app know whether the user has checked the "Never ask again"?

If user checked Never ask again, you lot'll get callback on onPermissionDisabled.

Happy coding :)

~ Answered on 2016-eleven-16 18:10:37


The method shouldShowRequestPermissionRationale() tin can be used to check whether the user selected the 'never asked again' option and denied the permission. There'due south plenty of lawmaking examples, so I would rather explicate how to use it for such a purpose, considering I retrieve its name and its implementation makes this more complicated that it actually is.

As explained in Requesting Permissions at Run Time, that method returns truthful if the selection 'never inquire again' is visible, fake otherwise; so it returns faux the very first time a dialog is shown, so from the second time on information technology returns true, and merely if the user deny the permission selecting the option, at that point it returns false over again.

To notice such a instance, either you can detect the sequence imitation-true-fake, or (more simple) you can have a flag which keeps track of the initial time the dialog is shown. After that, that method returns either truthful or fake, where the false volition allow you to observe when the option is selected.

~ Answered on 2017-06-07 07:16:01


A useful office to decide if an arbitrary permission has been blocked from requesting (in Kotlin):

              private fun isPermissionBlockedFromAsking(activity: Activity, permission: String): Boolean {     if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {         return ContextCompat.checkSelfPermission(activity, permission) != PackageManager.PERMISSION_GRANTED             && !activity.shouldShowRequestPermissionRationale(permission)             && PreferenceManager.getDefaultSharedPreferences(activity).getBoolean(permission, fake)     }     return faux }                          

Utilize of this requires setting a shared preference boolean with the name of your desired permission (due east.g. android.Manifest.permission.READ_PHONE_STATE) to true when you first request a permission.


Caption:

Build.VERSION.SDK_INT >= Build.VERSION_CODES.K equally some of the lawmaking may just be run on API level 23+.

ContextCompat.checkSelfPermission(activity, permission) != PackageManager.PERMISSION_GRANTED to check nosotros don't already have the permission.

!action.shouldShowRequestPermissionRationale(permission) to check whether the user has denied the app request once again. Due to quirks of this function, the following line is as well required.

PreferenceManager.getDefaultSharedPreferences(activity).getBoolean(permission, fake) this is used (along with setting the value to true on first permission request) to distinguish between the "Never asked" and "Never ask once again" states, as the previous line doesn't return this information.

~ Answered on 2018-07-05 11:20:11


Complete caption for every example of permission

              /**  *    Case one: User doesn't accept permission  *    Case 2: User has permission  *  *    Case three: User has never seen the permission Dialog  *    Case 4: User has denied permission in one case merely he din't clicked on "Never Evidence once more" bank check box  *    Instance 5: User denied the permission and also clicked on the "Never Show over again" cheque box.  *    Case 6: User has immune the permission  *  */ public void handlePermission() {     if (ContextCompat.checkSelfPermission(MainActivity.this,             Manifest.permission.WRITE_EXTERNAL_STORAGE)             != PackageManager.PERMISSION_GRANTED) {         // This is Case 1. Now we demand to check farther if permission was shown before or not          if (ActivityCompat.shouldShowRequestPermissionRationale(MainActivity.this,                 Manifest.permission.WRITE_EXTERNAL_STORAGE)) {              // This is Case 4.         } else {             // This is Case three. Request for permission hither         }      } else {         // This is Example two. You have permission now y'all tin can do anything related to it     } }  public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {      if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {         // This is Instance 2 (Permission is now granted)     } else {         // This is Case 1 once again as Permission is not granted by user          //Now farther we cheque if used denied permanently or not         if (ActivityCompat.shouldShowRequestPermissionRationale(MainActivity.this,                 Manifest.permission.WRITE_EXTERNAL_STORAGE)) {             // case 4 User has denied permission but not permanently          } else {             // case 5. Permission denied permanently.             // You can open Permission setting'south page from here now.         }      } }                          

~ Answered on 2018-04-27 08:17:05


Delight don't throw stones at me for this solution.

This works only is a scrap "hacky".

When yous call requestPermissions, register the current time.

                              mAskedPermissionTime = System.currentTimeMillis();                          

Then in onRequestPermissionsResult

if the event is not granted, check the fourth dimension over again.

                              if (System.currentTimeMillis() - mAskedPermissionTime < 100)                          

Since the user did cannot perhaps click and so fast on the deny button, we know that he selected "never inquire over again" considering the callback is instant.

Use at your own risks.

~ Answered on 2017-03-xiv 04:46:38


I wrote a autograph for permission request in Android Yard. This code also handles backwards compatibility to older Android versions.

All the ugly code is extracted into a Fragment which attaches and detaches itself to the Activeness requesting the permissions.You lot can apply PermissionRequestManager as post-obit:

              new PermissionRequestManager()         // We need a AppCompatActivity here, if you are not using support libraries y'all will have to slightly modify          // the PermissionReuqestManager course         .withActivity(this)          // List all permissions you need         .withPermissions(android.Manifest.permission.CALL_PHONE, android.Manifest.permission.READ_CALENDAR)          // This Runnable is called whenever the request was successfull         .withSuccessHandler(new Runnable() {             @Override             public void run() {                 // Do something with your permissions!                 // This is called after the user has granted all                  // permissions, nosotros are one a older platform where                  // the user does not need to grant permissions                  // manually, or all permissions are already granted              }         })          // Optional, called when the user did not grant all permissions         .withFailureHandler(new Runnable() {             @Override             public void run() {                 // This is called if the user has rejected one or all of the requested permissions                 L.east(this.getClass().getSimpleName(), "Unable to request permission");              }         })          // Later on calling this, the user is prompted to grant the rights         .asking();                          

Take a look: https://gist.github.com/crysxd/385b57d74045a8bd67c4110c34ab74aa

~ Answered on 2016-07-24 12:08:fifty


Instead you will receive callback on onRequestPermissionsResult() as PERMISSION_DENIED when y'all request permission once again while falling in false condition of shouldShowRequestPermissionRationale()

From Android doc:

When the organisation asks the user to grant a permission, the user has the option of telling the system non to enquire for that permission over again. In that case, any fourth dimension an app uses requestPermissions() to ask for that permission again, the organisation immediately denies the request. The system calls your onRequestPermissionsResult() callback method and passes PERMISSION_DENIED, the aforementioned mode it would if the user had explicitly rejected your asking once more. This means that when yous phone call requestPermissions(), yous cannot assume that any direct interaction with the user has taken place.

~ Answered on 2016-10-26 ten:54:18


              public void onRequestPermissionsResult(int requestCode, @NonNull String permissions[], @NonNull int[] grantResults) {     switch (requestCode) {         case PERMISSIONS_REQUEST_EXTERNAL_STORAGE: {             if (grantResults.length > 0) {                 if (ActivityCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {                     // Denied                 } else {                     if (ActivityCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED) {                         // To what you desire                     } else {                        // Bob never checked click                     }                 }             }         }     } }                          

~ Answered on 2017-04-04 xi:27:29


I institute to many long and disruptive reply and subsequently reading few of the answers My conclusion is

              if (!ActivityCompat.shouldShowRequestPermissionRationale(this,Manifest.permission.READ_EXTERNAL_STORAGE))                 Toast.makeText(this, "permanently denied", Toast.LENGTH_SHORT).show();                          

~ Answered on 2020-07-02 eighteen:42:ten


yous can listener pretty.

Listener

              interface PermissionListener {     fun onNeedPermission()     fun onPermissionPreviouslyDenied(numberDenyPermission: Int)     fun onPermissionDisabledPermanently(numberDenyPermission: Int)     fun onPermissionGranted() }                          

MainClass for permission

              form PermissionUtil {      private val PREFS_FILENAME = "permission"     private val TAG = "PermissionUtil"      individual fun shouldAskPermission(context: Context, permission: Cord): Boolean {         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {             val permissionResult = ActivityCompat.checkSelfPermission(context, permission)             if (permissionResult != PackageManager.PERMISSION_GRANTED) {                 return truthful             }         }         return faux     }      fun checkPermission(context: Context, permission: Cord, listener: PermissionListener) {          Log.i(TAG, "CheckPermission for $permission")          if (shouldAskPermission(context, permission)) {              // Load history permission             val sharedPreference = context.getSharedPreferences(PREFS_FILENAME, 0)             val numberShowPermissionDialog = sharedPreference.getInt(permission, 0)              if (numberShowPermissionDialog == 0) {                  (context every bit? Action)?.let {                     if (ActivityCompat.shouldShowRequestPermissionRationale(it, permission)) {                         Log.due east(TAG, "User has denied permission but not permanently")                         listener.onPermissionPreviouslyDenied(numberShowPermissionDialog)                     } else {                         Log.e(TAG, "Permission denied permanently.")                         listener.onPermissionDisabledPermanently(numberShowPermissionDialog)                     }                 } ?: kotlin.run {                     listener.onNeedPermission()                 }              } else {                 // Is FirstTime                 listener.onNeedPermission()             }               // Relieve history permission             sharedPreference.edit().putInt(permission, numberShowPermissionDialog + 1).apply()           } else {             listener.onPermissionGranted()         }      } }                          

Used by this way

                              PermissionUtil().checkPermission(this, Manifest.permission.ACCESS_FINE_LOCATION,                 object : PermissionListener {                     override fun onNeedPermission() {                         log("---------------------->onNeedPermission")  //                            ActivityCompat.requestPermissions([email protected], //                                    Array(1) { Manifest.permission.ACCESS_FINE_LOCATION }, //                                    118)                      }                      override fun onPermissionPreviouslyDenied(numberDenyPermission: Int) {                         log("---------------------->onPermissionPreviouslyDenied")                     }                      override fun onPermissionDisabledPermanently(numberDenyPermission: Int) {                         log("---------------------->onPermissionDisabled")                     }                      override fun onPermissionGranted() {                         log("---------------------->onPermissionGranted")                     }                  })                          

override onRequestPermissionsResult in action or fragmnet

              override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<out String>, grantResults: IntArray) {  if (requestCode == 118) {         if (permissions[0] == Manifest.permission.ACCESS_FINE_LOCATION && grantResults[0] == PackageManager.PERMISSION_GRANTED) {             getLastLocationInMap()         }         }     }                          

~ Answered on 2018-12-ten 09:39:53


Try this simple permission library. It will handle all operations related to permission in 3 easy steps. It saved my time. You tin finish all permission related work in 15 mins.

It can handle Deny, It can handle Never ask once more, It can phone call app settings for permission, It can give a Rational message, It can requite a Denial bulletin, It can give a list of accepted permissions, Information technology can give a list of denied permissions and etc.

https://github.com/ParkSangGwon/TedPermission

Step ane: add your dependency

              dependencies {      compile 'gun0912.ted:tedpermission:2.1.1'      //check the above link for latest libraries }                          

Step2: Enquire permissions

              TedPermission.with(this)     .setPermissionListener(permissionlistener)     .setDeniedMessage("If yous reject permission,you can non use this service\n\nPlease turn on permissions at [Setting] > [Permission]")     .setPermissions(Manifest.permission.READ_CONTACTS, Manifest.permission.ACCESS_FINE_LOCATION)     .cheque();                          

Step 3: Handle permission response

              PermissionListener permissionlistener = new PermissionListener() {     @Override     public void onPermissionGranted() {         Toast.makeText(MainActivity.this, "Permission Granted", Toast.LENGTH_SHORT).show();     }      @Override     public void onPermissionDenied(ArrayList<String> deniedPermissions) {         Toast.makeText(MainActivity.this, "Permission Denied\n" + deniedPermissions.toString(), Toast.LENGTH_SHORT).show();     } };                          

~ Answered on 2018-04-23 07:24:55


Y'all can apply

              shouldShowRequestPermissionRationale()                          

inside

              onRequestPermissionsResult()                          

Meet the example beneath:

Check if it has permission when the user clicks the button:

              @Override public void onClick(View v) {     if (v.getId() == R.id.appCompatBtn_changeProfileCoverPhoto) {         if (Build.VERSION.SDK_INT < 23) { // API < 23 don't need to ask permission             navigateTo(MainActivity.course); // Navigate to activity to modify photos         } else {             if (ContextCompat.checkSelfPermission(SettingsActivity.this, Manifest.permission.WRITE_EXTERNAL_STORAGE)                     != PackageManager.PERMISSION_GRANTED) {                 // Permission is not granted yet. Ask for permission...                 requestWriteExternalPermission();             } else {                 // Permission is already granted, good to go :)                 navigateTo(MainActivity.form);             }         }      } }                          

When the user respond the permission dialog box nosotros will go to onRequestPermissionResult:

              @Override public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {     super.onRequestPermissionsResult(requestCode, permissions, grantResults);      if (requestCode == WRITE_EXTERNAL_PERMISSION_REQUEST_CODE) {         // Case 1. Permission is granted.           if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {               if (ContextCompat.checkSelfPermission(SettingsActivity.this, Manifest.permission.WRITE_EXTERNAL_STORAGE)                     == PackageManager.PERMISSION_GRANTED) {                 // Before navigating, I still check one more time the permission for proficient practice.                 navigateTo(MainActivity.class);             }         } else { // Case ii. Permission was refused             if (ActivityCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {                 // Case two.1. shouldShowRequest... returns truthful considering the                 // permission was denied earlier. If it is the first fourth dimension the app is running nosotros volition                  // finish up in this part of the code. Because he need to deny at least once to go                  // to onRequestPermissionsResult.                  Snackbar snackbar = Snackbar.make(findViewById(R.id.relLayout_container), R.string.you_must_verify_permissions_to_send_media, Snackbar.LENGTH_LONG);                 snackbar.setAction("VERIFY", new View.OnClickListener() {                     @Override                     public void onClick(View v) {                         ActivityCompat.requestPermissions(SettingsActivity.this                                 , new Cord[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}                                 , WRITE_EXTERNAL_PERMISSION_REQUEST_CODE);                     }                 });                 snackbar.show();             } else {                 // Case 2.ii. Permission was already denied and the user checked "Never ask once again".                  // Navigate user to settings if he choose to allow this time.                 AlertDialog.Architect builder = new AlertDialog.Builder(this);                 builder.setMessage(R.cord.instructions_to_turn_on_storage_permission)                         .setPositiveButton(getString(R.string.settings), new DialogInterface.OnClickListener() {                             @Override                             public void onClick(DialogInterface dialog, int which) {                                 Intent settingsIntent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);                                 Uri uri = Uri.fromParts("package", getPackageName(), nil);                                 settingsIntent.setData(uri);                                 startActivityForResult(settingsIntent, 7);                             }                         })                         .setNegativeButton(getString(R.string.not_now), cipher);                 Dialog dialog = builder.create();                 dialog.bear witness();             }         }     }  }                          

~ Answered on 2018-06-28 12:44:11


I would also similar to obtain the information whether or non the user has selected "never ask again". I take accomplished a 'almost solution' with an ugly looking flag, simply before I tell you how, I volition tell you nigh my motivation:

I would like to offering the permission referring functionality initially. If the user uses it and has no rights, he/she gets the either the 1th dialog from above or both the second and tertiary. When the user has called 'Never ask again' I would similar to disable the functionality and to brandish it differently. - My action is triggered by a spinner text entry, I would likewise similar to add together '(Permission revoked)' to the label text displayed. This shows to the user: 'At that place is functionality but I cannot use it, due to my permission settings.' However, this does not seem to exist possible, as I cannot cheque whether or not 'Never ask again' has been called.

I came to a solution I can live with by having my functionality always enabled with an active permission check. I am showing a Toast message in onRequestPermissionsResult() in case of a negative response merely only if I have not shown my custom rationale popup. So if the user has called 'Never ask again' he gets a toast message but. If the user is reluctant to chose 'never ask again' he gets simply the custom rationale and the permission asking popup by the functioning system simply not toast, equally three notifications in a row would be too much pain.

~ Answered on 2015-10-06 23:00:18


Expanding on mVck's respond to a higher place, the post-obit logic determines whether "Never ask again" has been checked for a given Permission Request:

              bool bStorage = grantResults[0] == Permission.Granted; bool bNeverAskForStorage =     !bStorage && (         _bStorageRationaleBefore == truthful  && _bStorageRationaleAfter == false ||         _bStorageRationaleBefore == false && _bStorageRationaleAfter == false     );                          

which is excerpted from below (for the total example see this answer)

              private bool _bStorageRationaleBefore; private bool _bStorageRationaleAfter;         individual const int ANDROID_PERMISSION_REQUEST_CODE__SDCARD = two; //private const int ANDROID_PERMISSION_REQUEST_CODE__CAMERA = 1; private const int ANDROID_PERMISSION_REQUEST_CODE__NONE = 0;  public override void OnRequestPermissionsResult(int requestCode, string[] permissions, [GeneratedEnum] Permission[] grantResults) {     base.OnRequestPermissionsResult(requestCode, permissions, grantResults);      switch (requestCode)     {         case ANDROID_PERMISSION_REQUEST_CODE__SDCARD:                            _bStorageRationaleAfter = ShouldShowRequestPermissionRationale(Android.Manifest.Permission.WriteExternalStorage);             bool bStorage = grantResults[0] == Permission.Granted;             bool bNeverAskForStorage =                 !bStorage && (                     _bStorageRationaleBefore == true  && _bStorageRationaleAfter == faux ||                     _bStorageRationaleBefore == false && _bStorageRationaleAfter == faux                 );                   break;                     } }  individual List<string> GetRequiredPermissions(out int requestCode) {     // Android v6 requires explicit permission granting from user at runtime for security reasons                 requestCode = ANDROID_PERMISSION_REQUEST_CODE__NONE; // 0     Listing<string> requiredPermissions = new List<string>();      _bStorageRationaleBefore = ShouldShowRequestPermissionRationale(Android.Manifest.Permission.WriteExternalStorage);     Permission writeExternalStoragePerm = ApplicationContext.CheckSelfPermission(Android.Manifest.Permission.WriteExternalStorage);     //if(extStoragePerm == Permission.Denied)     if (writeExternalStoragePerm != Permission.Granted)     {         requestCode |= ANDROID_PERMISSION_REQUEST_CODE__SDCARD;         requiredPermissions.Add together(Android.Manifest.Permission.WriteExternalStorage);     }      render requiredPermissions; }  protected override void OnCreate(Bundle savedInstanceState) {     base of operations.OnCreate(savedInstanceState);          // Android v6 requires explicit permission granting from user at runtime for security reasons         int requestCode;         List<string> requiredPermissions = GetRequiredPermissions(out requestCode);         if (requiredPermissions != null && requiredPermissions.Count > 0)         {             if (requestCode >= ANDROID_PERMISSION_REQUEST_CODE__SDCARD)                                 {                 _savedInstanceState = savedInstanceState;                 RequestPermissions(requiredPermissions.ToArray(), requestCode);                 return;             }         }     }                  OnCreate2(savedInstanceState); }                          

~ Answered on 2017-07-26 12:44:54


Y'all tin can use if (ActivityCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.Camera) method to detect whether never enquire is checked or non.

For more reference : Check this

To check for multiple permissions use:

                              if (ActivityCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.CAMERA)                                 || ActivityCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.WRITE_EXTERNAL_STORAGE)                                 || ActivityCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.ACCESS_FINE_LOCATION)                                 || ActivityCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.RECORD_AUDIO)) {                             showDialogOK("Service Permissions are required for this app",                                     new DialogInterface.OnClickListener() {                                         @Override                                         public void onClick(DialogInterface dialog, int which) {                                             switch (which) {                                                 case DialogInterface.BUTTON_POSITIVE:                                                     checkAndRequestPermissions();                                                     suspension;                                                 case DialogInterface.BUTTON_NEGATIVE:                                                     // proceed with logic by disabling the related features or quit the app.                                                     finish();                                                     break;                                             }                                         }                                     });                         }                         //permission is denied (and never ask again is  checked)                         //shouldShowRequestPermissionRationale will return fake                         else {                             explain("Yous need to give some mandatory permissions to keep. Exercise you want to go to app settings?");                             //                            //continue with logic by disabling the related features or quit the app.                         }                          

explain() method

              individual void explain(String msg){         final android.support.v7.app.AlertDialog.Builder dialog = new android.support.v7.app.AlertDialog.Builder(this);         dialog.setMessage(msg)                 .setPositiveButton("Aye", new DialogInterface.OnClickListener() {                     @Override                     public void onClick(DialogInterface paramDialogInterface, int paramInt) {                         //  permissionsclass.requestPermission(type,code);                         startActivity(new Intent(android.provider.Settings.ACTION_APPLICATION_DETAILS_SETTINGS, Uri.parse("parcel:com.exampledemo.parsaniahardik.marshmallowpermission")));                     }                 })                 .setNegativeButton("Cancel", new DialogInterface.OnClickListener() {                     @Override                     public void onClick(DialogInterface paramDialogInterface, int paramInt) {                         stop();                     }                 });         dialog.prove();     }                          

Above lawmaking will likewise show dialog, which volition redirect user to app settings screen from where he can give permission if had checked never ask again button.

~ Answered on 2017-03-02 08:00:02


I take to implement dynamic permission for camera. Where three possible cases occurs: i. Let, 2. Denied, 3. Don't ask again.

                              @Override     public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {      for (String permission : permissions) {         if (ActivityCompat.shouldShowRequestPermissionRationale(getActivity(), permission)) {             //denied             Log.eastward("denied", permission);         } else {             if (ActivityCompat.checkSelfPermission(getActivity(), permission) == PackageManager.PERMISSION_GRANTED) {                 //allowed                 Log.e("allowed", permission);             } else {                 //fix to never ask over again                 Log.e("set to never ask again", permission);                 //practice something here.             }         }     }     if (requestCode != MaterialBarcodeScanner.RC_HANDLE_CAMERA_PERM) {         super.onRequestPermissionsResult(requestCode, permissions, grantResults);         return;     }     if (grantResults.length != 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {         mScannerView.setResultHandler(this);         mScannerView.startCamera(mCameraId);         mScannerView.setFlash(mFlash);         mScannerView.setAutoFocus(mAutoFocus);         return;     } else {         //fix to never ask again         Log.e("fix to never ask again", permissions[0]);     }     DialogInterface.OnClickListener listener = new DialogInterface.OnClickListener() {         public void onClick(DialogInterface dialog, int id) {             dialog.cancel();         }     };     AlertDialog.Builder architect = new AlertDialog.Builder(getActivity());     builder.setTitle("Error")             .setMessage(R.cord.no_camera_permission)             .setPositiveButton(android.R.string.ok, listener)             .show();   }  individual void insertDummyContactWrapper() {         int hasWriteContactsPermission = checkSelfPermission(Manifest.permission.Camera);         if (hasWriteContactsPermission != PackageManager.PERMISSION_GRANTED) {             requestPermissions(new Cord[]{Manifest.permission.Photographic camera},                     REQUEST_CODE_ASK_PERMISSIONS);             return;         }         mScannerView.setResultHandler(this);         mScannerView.startCamera(mCameraId);         mScannerView.setFlash(mFlash);         mScannerView.setAutoFocus(mAutoFocus);     }  private int checkSelfPermission(String photographic camera) {     if (ContextCompat.checkSelfPermission(getActivity(), Manifest.permission.CAMERA)             != PackageManager.PERMISSION_GRANTED) {         return REQUEST_CODE_ASK_PERMISSIONS;     } else {         return REQUEST_NOT_CODE_ASK_PERMISSIONS;     } }                          

~ Answered on 2017-03-21 09:59:23


OnRequestPermissionResult-costless and shouldShowRequestPermissionRationale-free method:

              public static void requestDangerousPermission(AppCompatActivity activity, String permission) {         if (hasPermission(activity, permission)) render;         requestPermission();          new Handler().postDelayed(() -> {             if (activity.getLifecycle().getCurrentState() == Lifecycle.Country.RESUMED) {                 Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);                 intent.setData(Uri.parse("package:" + context.getPackageName()));                 context.startActivity(intent);             }         }, 250);     }                          

Opens device settings afterward 250ms if no permission popup happened (which is the case if 'Never enquire once again' was selected.

~ Answered on 2020-eleven-09 09:36:49


To reply the question precisely, What happens when user presses "Never Ask Once more"?

The overridden method / function

              onRequestPermissionsResult(requestCode: Int, permissions: Array<out String>, grantResults: IntArray)                          

The grantResult assortment comes out to be Empty, and so you tin can exercise something there mayhap? But not the best exercise.

How to Handle "Never Ask Again"?

I am working with Fragment, which required READ_EXTERNAL_STORAGE permission.

              override fun onViewCreated(view: View, savedInstanceState: Packet?) {         super.onViewCreated(view, savedInstanceState)          when {             isReadPermissionsGranted() -> {                  /**                  * Permissions has been Granted                  */                  getDirectories()             }              isPermissionDeniedBefore() -> {                  /**                  * User has denied before, explain why we need the permission and ask once again                  */                  updateUIForDeniedPermissions()                 checkIfPermissionIsGrantedNow()              }             else -> {                  /**                  * Need to inquire For Permissions, Starting time Time                  */                  checkIfPermissionIsGrantedNow()                  /**                  * If user selects, "Dont Inquire Again" it will never enquire again! so but update the UI for Denied Permissions                  */                  updateUIForDeniedPermissions()              }         }     }                          

The other functions are lilliputian.

              // Is Read Write Permissions Granted fun isReadWritePermissionGranted(context: Context): Boolean {     render (ContextCompat.checkSelfPermission(         context as Activity,         Manifest.permission.READ_EXTERNAL_STORAGE     ) == PackageManager.PERMISSION_GRANTED) and             (ContextCompat.checkSelfPermission(                 context,                 Manifest.permission.WRITE_EXTERNAL_STORAGE             ) == PackageManager.PERMISSION_GRANTED) }  fun isReadPermissionDenied(context: Context) : Boolean {     render ActivityCompat.shouldShowRequestPermissionRationale(         context every bit Action,         PermissionsUtils.READ_EXTERNAL_STORAGE_PERMISSIONS) }                          

~ Answered on 2019-05-06 10:xiv:59


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Source: https://syntaxfix.com/question/5380/android-m-check-runtime-permission-how-to-determine-if-the-user-checked-never-ask-again

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