Request Code for Permission Dont Ask Again
Android M - check runtime permission - how to determine if the user checked "Never ask again"?
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- Android M - check runtime permission - how to determine if the user checked "Never ask once again"?
Co-ordinate to this: http://developer.android.com/preview/features/runtime-permissions.html#coding an app can cheque for runtime permissions and request permissions if it hasn't been granted already. The following dialog will be displayed and so:
In case the user declines an of import permission, imo an app should display an explanation why the permission is needed and what impact declining has. That dialog has two options:
- re-try again (permission is requested again)
- deny (app will piece of work without that permission).
If the user checks Never ask once more notwithstanding, the second dialog with the caption shouldn't be shown, specially if the user already declined once before. 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 give me that information.
A second 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 style there would never be a 2d dialog which would certainly make for a ameliorate ux.
This question is tagged with android android-permissions android-6.0-marshmallow
~ Asked on 2015-06-08 21:03:34
25 Answers
Developer Preview 2 brings some changes to how permissions are requested past the app (come across besides http://developer.android.com/preview/support.html#preview2-notes).
The beginning dialog now looks like this:
There'southward no "Never show again" cheque-box (unlike 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 explicate the reason the app asks for that permission, e.g. like this:
If the user declines once again the app should either shut down if it absolutely needs that permission or continue running with express functionality. If the user reconsiders (and selects re-endeavour), the permission is requested over again. This time the prompt looks like this:
The second time the "Never ask again" check-box is shown. If the user denies again and the check-box is ticked nothing more should happen. Whether or not the check-box is ticked can be determined by using Action.shouldShowRequestPermissionRationale(String), e.g. like this:
if (shouldShowRequestPermissionRationale(Manifest.permission.WRITE_CONTACTS)) {... That's what the Android documentation says (https://developer.android.com/preparation/permissions/requesting.html):
To help discover the situations where you need to provide extra explanation, the arrangement provides the Activeness.shouldShowRequestPermissionRationale(Cord) method. This method returns true if the app has requested this permission previously and the user denied the asking. That indicates that yous should probably explain to the user why you need the permission.
If the user turned downwardly the permission asking in the past and chose the Don't ask again option in the permission request arrangement dialog, this method returns faux. The method as well returns false if the device policy prohibits the app from having that permission.
To know if the user denied with "never inquire again" yous tin can check again the shouldShowRequestPermissionRationale method in your onRequestPermissionsResult when the user did not 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 desire to group the rationale in a single dialog, // this is just an example 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 inquire again" // you can either enable some fall back, // disable features of your app // or open another dialog explaining // once more the permission and directing to // the app setting } else if (Manifest.permission.WRITE_CONTACTS.equals(permission)) { showRationale(permission, R.string.permission_denied_contacts); // user did Not cheque "never inquire again" // this is a good place to explain the user // why you need the permission and ask if he wants // to accept it (the rationale) } else if ( /* possibly check more permissions...*/ ) { } } } } } You lot can open your app setting with this code:
Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS); Uri uri = Uri.fromParts("packet", getPackageName(), null); intent.setData(uri); startActivityForResult(intent, REQUEST_PERMISSION_SETTING); At that place is no way of sending the user direct to the Authorization folio.
~ Answered on 2015-08-10 17:33:31
You tin check shouldShowRequestPermissionRationale() in your onRequestPermissionsResult().
https://youtu.be/C8lUdPVSzDk?t=2m23s
Cheque whether permission was granted or non in onRequestPermissionsResult(). If non so check shouldShowRequestPermissionRationale().
- If this method returns
trueand then testify an explanation that why this particular permission is needed. So depending on user's selection againrequestPermissions(). - If information technology returns
falsethen show an error message that permission was not granted and app cannot go on further or a particular characteristic is disabled.
Beneath is sample lawmaking.
@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() == null) { return; } if (ActivityCompat.shouldShowRequestPermissionRationale(getActivity(), Manifest.permission.WRITE_EXTERNAL_STORAGE)) { showStoragePermissionRationale(); } else { Snackbar snackbar = Snackbar.brand(getView(), getResources().getString(R.string.message_no_storage_permission_snackbar), Snackbar.LENGTH_LONG); snackbar.setAction(getResources().getString(R.cord.settings), new View.OnClickListener() { @Override public void onClick(View v) { if (getActivity() == null) { render; } Intent intent = new Intent(); intent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS); Uri uri = Uri.fromParts("parcel", getActivity().getPackageName(), null); intent.setData(uri); OrderDetailFragment.this.startActivity(intent); } }); snackbar.show(); } } interruption; } } Manifestly, google maps does exactly this for location permission.
~ Answered on 2015-11-04 05:41:05
Here is a nice and easy method to check the current permission status:
@Retention(RetentionPolicy.SOURCE) @IntDef({GRANTED, DENIED, BLOCKED_OR_NEVER_ASKED }) public @interface PermissionStatus {} public static final int GRANTED = 0; public static final int DENIED = 1; public static terminal int BLOCKED_OR_NEVER_ASKED = ii; @PermissionStatus public static int getPermissionStatus(Activity activity, String androidPermissionName) { if(ContextCompat.checkSelfPermission(activity, androidPermissionName) != PackageManager.PERMISSION_GRANTED) { if(!ActivityCompat.shouldShowRequestPermissionRationale(activeness, androidPermissionName)){ return BLOCKED_OR_NEVER_ASKED; } return DENIED; } return GRANTED; } Caveat: returns BLOCKED_OR_NEVER_ASKED the outset 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 accept a very similar form android.support.v4.content.PermissionChecker which contains a checkSelfPermission() which returns:
public static final int PERMISSION_GRANTED = 0; public static final int PERMISSION_DENIED = -1; public static final int PERMISSION_DENIED_APP_OP = -2; ~ Answered on 2016-01-26 11:46:26
In one case the user has marked "Practise not ask again," the question can non be displayed again. But it tin can 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 following code:
@Override public void onRequestPermissionsResult(int permsRequestCode, Cord[] permissions, int[] grantResults) { if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) { // now, yous have permission become alee // TODO: something } else { if (ActivityCompat.shouldShowRequestPermissionRationale(MainActivity.this, Manifest.permission.READ_CALL_LOG)) { // now, user has denied permission (but not permanently!) } else { // now, user has denied permission permanently! Snackbar snackbar = Snackbar.brand(findViewById(android.R.id.content), "Yous take previously declined this permission.\n" + "You must approve 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.pattern.R.id.snackbar_text); textView.setMaxLines(5); //Or as much as you need snackbar.show(); } } render; } ~ Answered on 2018-07-25 08:53:12
You can make up one's mind it past checking if permission rationale is to be shown inside the onRequestPermissionsResult() callback method. And if you notice any permission set to never ask once again, you can request users to grant permissions from the settings.
My full implementation would be like beneath. It works for both single or multiple permissions requests. Employ the following or straight employ 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 = fake; break; } } } if(!allPermissionsGranted){ boolean somePermissionsForeverDenied = false; for(Cord permission: permissions){ if(ActivityCompat.shouldShowRequestPermissionRationale(this, permission)){ //denied Log.due east("denied", permission); }else{ if(ActivityCompat.checkSelfPermission(this, permission) == PackageManager.PERMISSION_GRANTED){ //allowed Log.e("immune", permission); } else{ //set up to never enquire again Log.e("set to never ask again", permission); somePermissionsForeverDenied = true; } } } if(somePermissionsForeverDenied){ final AlertDialog.Builder alertDialogBuilder = new AlertDialog.Architect(this); alertDialogBuilder.setTitle("Permissions Required") .setMessage("You accept forcefully denied some of the required permissions " + "for this action. Delight open settings, go to permissions and allow 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(), null)); intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); startActivity(intent); } }) .setNegativeButton("Cancel", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { } }) .setCancelable(false) .create() .show(); } } else { switch (requestCode) { //deed co-ordinate to the request lawmaking used while requesting the permission(s). } } } ~ Answered on 2016-12-22 17:02:49
May be useful for someone:--
What I have noticed is, if nosotros check the shouldShowRequestPermissionRationale() flag in to onRequestPermissionsResult() callback method, it shows simply 2 states.
State i:-Return true:-- Whatsoever time user clicks Deny permissions (including the very first time).
State ii:-Returns faux :- if user selects "never asks again".
Link of detailed working example
~ Answered on 2016-02-19 01:47:38
If you lot want to detect all the "states" (showtime time denied, simply been denied, only been denied with "Never Ask Once again" or permanently denied) you can do the following:
Create ii Booleans:
individual boolean beforeClickPermissionRat; private boolean afterClickPermissionRat; Set the first 1 earlier asking for permission:
beforeClickPermissionRat = shouldShowRequestPermissionRationale(Manifest.permission.READ_EXTERNAL_STORAGE); Set the second one inside your onRequestPermissionsResult method:
afterClickPermissionRat = shouldShowRequestPermissionRationale(Manifest.permission.READ_EXTERNAL_STORAGE); Apply the following "truth table" to practice whatever you need in onRequestPermissionsResult() (after checking that you still don't have the permission):
// before after // Simulated Imitation = Was denied permanently, however denied permanently --> App Settings // FALSE True = Showtime time deny, not denied permanently yet --> Null // True Imitation = Just been permanently denied --> Irresolute my caption to "Go to app settings to edit permissions" // True True = Wasn't denied permanently, still not denied permanently --> Nix ~ Answered on 2016-12-23 16:eighteen:18
I had the same problem and I figured information technology out. To brand life much simpler, I wrote an util class to handle runtime permissions.
public class PermissionUtil { /* * Check if version is marshmallow and above. * Used in deciding to inquire 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 true; } } return false; } public static void checkPermission(Context context, String permission, PermissionAskListener listener){ /* * If permission is not granted * */ if (shouldAskPermission(context, permission)){ /* * If permission denied previously * */ if (((Action)context).shouldShowRequestPermissionRationale(permission)) { listener.onPermissionPreviouslyDenied(); } else { /* * Permission denied or first time requested * */ if (PreferencesUtil.isFirstTimeAskingPermission(context, permission)) { PreferencesUtil.firstTimeAskingPermission(context, permission, simulated); listener.onPermissionAsk(); } else { /* * Handle the characteristic without permission or inquire user to manually permit permission * */ listener.onPermissionDisabled(); } } } else { listener.onPermissionGranted(); } } /* * Callback on diverse cases on checking permission * * 1. Below M, runtime permission not needed. In that case onPermissionGranted() would exist chosen. * If permission is already granted, onPermissionGranted() would exist called. * * two. Above G, if the permission is being asked get-go time onPermissionAsk() would exist called. * * 3. Above Yard, if the permission is previously asked but not granted, onPermissionPreviouslyDenied() * would be chosen. * * 4. To a higher place M, if the permission is disabled by device policy or the user checked "Never ask once again" * bank check box on previous asking permission, onPermissionDisabled() would be called. * */ public interface PermissionAskListener { /* * Callback to enquire permission * */ void onPermissionAsk(); /* * Callback on permission denied * */ void onPermissionPreviouslyDenied(); /* * Callback on permission "Never bear witness again" checked and denied * */ void onPermissionDisabled(); /* * Callback on permission granted * */ void onPermissionGranted(); } } And the PreferenceUtil methods are equally follows.
public static void firstTimeAskingPermission(Context context, String permission, boolean isFirstTime){ SharedPreferences sharedPreference = context.getSharedPreferences(PREFS_FILE_NAME, MODE_PRIVATE; sharedPreference.edit().putBoolean(permission, isFirstTime).employ(); } public static boolean isFirstTimeAskingPermission(Context context, Cord permission){ return context.getSharedPreferences(PREFS_FILE_NAME, MODE_PRIVATE).getBoolean(permission, true); } Now, all you need is to use the method * checkPermission* with proper arguments.
Here is an case,
PermissionUtil.checkPermission(context, Manifest.permission.WRITE_EXTERNAL_STORAGE, new PermissionUtil.PermissionAskListener() { @Override public void onPermissionAsk() { ActivityCompat.requestPermissions( thisActivity, new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_EXTERNAL_STORAGE ); } @Override public void onPermissionPreviouslyDenied() { //prove a dialog explaining permission and then 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 over again, you'll get callback on onPermissionDisabled.
Happy coding :)
~ Answered on 2016-11-16 eighteen:ten:37
The method shouldShowRequestPermissionRationale() can be used to check whether the user selected the 'never asked over again' option and denied the permission. At that place's plenty of code examples, and then I would rather explain how to employ it for such a purpose, because I remember its proper noun and its implementation makes this more complicated that information technology actually is.
As explained in Requesting Permissions at Run Time, that method returns truthful if the option 'never enquire once more' is visible, false otherwise; so it returns false the very commencement time a dialog is shown, then from the second time on it returns truthful, and only if the user deny the permission selecting the option, at that point information technology returns fake again.
To detect such a case, either you can discover the sequence false-true-simulated, or (more than simple) you can take a flag which keeps track of the initial time the dialog is shown. Subsequently that, that method returns either true or simulated, where the false volition allow you to notice when the selection is selected.
~ Answered on 2017-06-07 07:sixteen:01
A useful function to determine if an arbitrary permission has been blocked from requesting (in Kotlin):
private fun isPermissionBlockedFromAsking(action: Activity, permission: String): Boolean { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) { return ContextCompat.checkSelfPermission(action, permission) != PackageManager.PERMISSION_GRANTED && !activity.shouldShowRequestPermissionRationale(permission) && PreferenceManager.getDefaultSharedPreferences(activity).getBoolean(permission, imitation) } render fake } Use of this requires setting a shared preference boolean with the proper name of your desired permission (due east.g. android.Manifest.permission.READ_PHONE_STATE) to true when you first asking a permission.
Explanation:
Build.VERSION.SDK_INT >= Build.VERSION_CODES.M as some of the lawmaking may merely be run on API level 23+.
ContextCompat.checkSelfPermission(activity, permission) != PackageManager.PERMISSION_GRANTED to bank check we don't already accept the permission.
!activity.shouldShowRequestPermissionRationale(permission) to check whether the user has denied the app asking again. Due to quirks of this function, the following line is also required.
PreferenceManager.getDefaultSharedPreferences(activity).getBoolean(permission, false) this is used (along with setting the value to true on first permission request) to distinguish between the "Never asked" and "Never enquire again" states, as the previous line doesn't render this information.
~ Answered on 2018-07-05 11:20:11
Complete explanation for every instance of permission
/** * Case 1: User doesn't have permission * Case 2: User has permission * * Case iii: User has never seen the permission Dialog * Example 4: User has denied permission in one case just he din't clicked on "Never Evidence over again" check box * Instance 5: User denied the permission and as well clicked on the "Never Show again" bank check box. * Case vi: User has allowed the permission * */ public void handlePermission() { if (ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) { // This is Example one. Now we need to check farther if permission was shown before or non if (ActivityCompat.shouldShowRequestPermissionRationale(MainActivity.this, Manifest.permission.WRITE_EXTERNAL_STORAGE)) { // This is Instance iv. } else { // This is Case three. Request for permission here } } else { // This is Example 2. Y'all have permission now you tin do anything related to it } } public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) { if (grantResults[0] == PackageManager.PERMISSION_GRANTED) { // This is Case 2 (Permission is now granted) } else { // This is Case one again as Permission is non granted past user //At present further we bank check if used denied permanently or not if (ActivityCompat.shouldShowRequestPermissionRationale(MainActivity.this, Manifest.permission.WRITE_EXTERNAL_STORAGE)) { // case 4 User has denied permission but non permanently } else { // case 5. Permission denied permanently. // Y'all can open Permission setting's page from hither now. } } } ~ Answered on 2018-04-27 08:17:05
Please don't throw stones at me for this solution.
This works but is a bit "hacky".
When you lot call requestPermissions, register the current time.
mAskedPermissionTime = Arrangement.currentTimeMillis(); Then in onRequestPermissionsResult
if the result is not granted, bank check the time again.
if (System.currentTimeMillis() - mAskedPermissionTime < 100) Since the user did cannot perhaps click then fast on the deny button, we know that he selected "never ask once more" because the callback is instant.
Use at your own risks.
~ Answered on 2017-03-xiv 04:46:38
I wrote a shorthand for permission request in Android M. This code too handles backwards compatibility to older Android versions.
All the ugly lawmaking is extracted into a Fragment which attaches and detaches itself to the Activity requesting the permissions.Yous can utilize PermissionRequestManager every bit following:
new PermissionRequestManager() // We need a AppCompatActivity here, if you are not using support libraries yous volition have to slightly modify // the PermissionReuqestManager class .withActivity(this) // Listing all permissions you demand .withPermissions(android.Manifest.permission.CALL_PHONE, android.Manifest.permission.READ_CALENDAR) // This Runnable is chosen 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, we are ane 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 50.e(this.getClass().getSimpleName(), "Unable to asking permission"); } }) // Afterwards calling this, the user is prompted to grant the rights .request(); Take a look: https://gist.github.com/crysxd/385b57d74045a8bd67c4110c34ab74aa
~ Answered on 2016-07-24 12:08:50
Instead yous will receive callback on onRequestPermissionsResult() as PERMISSION_DENIED when you request permission once more while falling in false status of shouldShowRequestPermissionRationale()
From Android doc:
When the system asks the user to grant a permission, the user has the option of telling the system not to ask for that permission again. In that instance, any time an app uses requestPermissions() to enquire for that permission again, the system immediately denies the request. The system calls your onRequestPermissionsResult() callback method and passes PERMISSION_DENIED, the same way it would if the user had explicitly rejected your request again. This means that when yous phone call requestPermissions(), you lot cannot assume that any direct interaction with the user has taken place.
~ Answered on 2016-10-26 x:54:18
public void onRequestPermissionsResult(int requestCode, @NonNull Cord permissions[], @NonNull int[] grantResults) { switch (requestCode) { example 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 yous want } else { // Bob never checked click } } } } } } ~ Answered on 2017-04-04 11:27:29
I institute to many long and disruptive answer and after reading few of the answers My determination is
if (!ActivityCompat.shouldShowRequestPermissionRationale(this,Manifest.permission.READ_EXTERNAL_STORAGE)) Toast.makeText(this, "permanently denied", Toast.LENGTH_SHORT).show(); ~ Answered on 2020-07-02 18:42:10
yous tin can listener pretty.
Listener
interface PermissionListener { fun onNeedPermission() fun onPermissionPreviouslyDenied(numberDenyPermission: Int) fun onPermissionDisabledPermanently(numberDenyPermission: Int) fun onPermissionGranted() } MainClass for permission
class PermissionUtil { private val PREFS_FILENAME = "permission" private val TAG = "PermissionUtil" private fun shouldAskPermission(context: Context, permission: String): Boolean { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) { val permissionResult = ActivityCompat.checkSelfPermission(context, permission) if (permissionResult != PackageManager.PERMISSION_GRANTED) { render true } } render simulated } fun checkPermission(context: Context, permission: String, 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 equally? Activity)?.let { if (ActivityCompat.shouldShowRequestPermissionRationale(it, permission)) { Log.east(TAG, "User has denied permission but not permanently") listener.onPermissionPreviouslyDenied(numberShowPermissionDialog) } else { Log.east(TAG, "Permission denied permanently.") listener.onPermissionDisabledPermanently(numberShowPermissionDialog) } } ?: kotlin.run { listener.onNeedPermission() } } else { // Is FirstTime listener.onNeedPermission() } // Save history permission sharedPreference.edit().putInt(permission, numberShowPermissionDialog + 1).apply() } else { listener.onPermissionGranted() } } } Used by this mode
PermissionUtil().checkPermission(this, Manifest.permission.ACCESS_FINE_LOCATION, object : PermissionListener { override fun onNeedPermission() { log("---------------------->onNeedPermission") // ActivityCompat.requestPermissions([email protected], // Assortment(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 activeness or fragmnet
override fun onRequestPermissionsResult(requestCode: Int, permissions: Assortment<out Cord>, 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
Attempt this simple permission library. Information technology will handle all operations related to permission in three easy steps. It saved my fourth dimension. You tin can finish all permission related work in 15 mins.
It can handle Deny, It tin handle Never inquire again, It can call app settings for permission, It can give a Rational message, It can give a Denial message, It tin give a list of accepted permissions, Information technology can give a list of denied permissions and etc.
https://github.com/ParkSangGwon/TedPermission
Pace ane: add your dependency
dependencies { compile 'gun0912.ted:tedpermission:2.1.1' //cheque the above link for latest libraries } Step2: Ask permissions
TedPermission.with(this) .setPermissionListener(permissionlistener) .setDeniedMessage("If you decline permission,you lot can not apply this service\n\nPlease turn on permissions at [Setting] > [Permission]") .setPermissions(Manifest.permission.READ_CONTACTS, Manifest.permission.ACCESS_FINE_LOCATION) .check(); 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
You can apply
shouldShowRequestPermissionRationale() within
onRequestPermissionsResult() Come across the example below:
Check if it has permission when the user clicks the push button:
@Override public void onClick(View v) { if (5.getId() == R.id.appCompatBtn_changeProfileCoverPhoto) { if (Build.VERSION.SDK_INT < 23) { // API < 23 don't need to ask permission navigateTo(MainActivity.class); // Navigate to activity to alter 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, practiced to go :) navigateTo(MainActivity.grade); } } } } When the user respond the permission dialog box we will go to onRequestPermissionResult:
@Override public void onRequestPermissionsResult(int requestCode, @NonNull Cord[] permissions, @NonNull int[] grantResults) { super.onRequestPermissionsResult(requestCode, permissions, grantResults); if (requestCode == WRITE_EXTERNAL_PERMISSION_REQUEST_CODE) { // Case i. 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) { // Earlier navigating, I nevertheless check 1 more time the permission for good do. navigateTo(MainActivity.class); } } else { // Case 2. Permission was refused if (ActivityCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.WRITE_EXTERNAL_STORAGE)) { // Case 2.1. shouldShowRequest... returns true considering the // permission was denied before. If it is the first time the app is running nosotros will // end upward in this part of the lawmaking. Because he demand to deny at least once to get // to onRequestPermissionsResult. Snackbar snackbar = Snackbar.brand(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 5) { ActivityCompat.requestPermissions(SettingsActivity.this , new Cord[]{Manifest.permission.WRITE_EXTERNAL_STORAGE} , WRITE_EXTERNAL_PERMISSION_REQUEST_CODE); } }); snackbar.bear witness(); } else { // Case 2.ii. Permission was already denied and the user checked "Never inquire again". // Navigate user to settings if he cull to let this time. AlertDialog.Builder architect = new AlertDialog.Architect(this); builder.setMessage(R.string.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(), cipher); settingsIntent.setData(uri); startActivityForResult(settingsIntent, seven); } }) .setNegativeButton(getString(R.cord.not_now), goose egg); Dialog dialog = builder.create(); dialog.show(); } } } } ~ Answered on 2018-06-28 12:44:11
I would too like to obtain the information whether or not the user has selected "never ask again". I have achieved a 'almost solution' with an ugly looking flag, only earlier I tell you how, I will 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 higher up or both the 2nd and 3rd. When the user has called 'Never ask again' I would like to disable the functionality and to display it differently. - My action is triggered by a spinner text entry, I would also like to add '(Permission revoked)' to the characterization text displayed. This shows to the user: 'There is functionality but I cannot use it, due to my permission settings.' Nevertheless, this does not seem to be possible, equally I cannot check whether or non 'Never ask once again' has been chosen.
I came to a solution I can alive with by having my functionality ever enabled with an agile permission check. I am showing a Toast message in onRequestPermissionsResult() in instance of a negative response but merely if I accept not shown my custom rationale popup. So if the user has chosen 'Never ask once more' he gets a toast message simply. If the user is reluctant to chose 'never ask once more' he gets only the custom rationale and the permission asking popup by the operation system but not toast, as three notifications in a row would exist too much pain.
~ Answered on 2015-x-06 23:00:xviii
Expanding on mVck's answer in a higher place, the post-obit logic determines whether "Never ask once again" has been checked for a given Permission Request:
bool bStorage = grantResults[0] == Permission.Granted; bool bNeverAskForStorage = !bStorage && ( _bStorageRationaleBefore == true && _bStorageRationaleAfter == false || _bStorageRationaleBefore == simulated && _bStorageRationaleAfter == false ); which is excerpted from below (for the full instance see this answer)
private bool _bStorageRationaleBefore; private bool _bStorageRationaleAfter; private const int ANDROID_PERMISSION_REQUEST_CODE__SDCARD = 2; //individual 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 of operations.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 == fake || _bStorageRationaleBefore == false && _bStorageRationaleAfter == false ); break; } } private 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 List<string> requiredPermissions = new Listing<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); } return requiredPermissions; } protected override void OnCreate(Parcel savedInstanceState) { base.OnCreate(savedInstanceState); // Android v6 requires explicit permission granting from user at runtime for security reasons int requestCode; Listing<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
You can employ if (ActivityCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.CAMERA) method to detect whether never ask is checked or not.
For more reference : Cheque this
To check for multiple permissions apply:
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) { example DialogInterface.BUTTON_POSITIVE: checkAndRequestPermissions(); suspension; instance DialogInterface.BUTTON_NEGATIVE: // proceed with logic past disabling the related features or quit the app. end(); pause; } } }); } //permission is denied (and never ask again is checked) //shouldShowRequestPermissionRationale will render false else { explain("You need to give some mandatory permissions to continue. Do you lot want to become to app settings?"); // //proceed with logic by disabling the related features or quit the app. } explain() method
private void explicate(String msg){ terminal android.support.v7.app.AlertDialog.Builder dialog = new android.back up.v7.app.AlertDialog.Builder(this); dialog.setMessage(msg) .setPositiveButton("Yes", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface paramDialogInterface, int paramInt) { // permissionsclass.requestPermission(blazon,lawmaking); startActivity(new Intent(android.provider.Settings.ACTION_APPLICATION_DETAILS_SETTINGS, Uri.parse("package:com.exampledemo.parsaniahardik.marshmallowpermission"))); } }) .setNegativeButton("Abolish", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface paramDialogInterface, int paramInt) { finish(); } }); dialog.show(); } Above lawmaking volition also show dialog, which will redirect user to app settings screen from where he can give permission if had checked never enquire again button.
~ Answered on 2017-03-02 08:00:02
I accept to implement dynamic permission for camera. Where 3 possible cases occurs: ane. Allow, ii. Denied, three. 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.due east("denied", permission); } else { if (ActivityCompat.checkSelfPermission(getActivity(), permission) == PackageManager.PERMISSION_GRANTED) { //immune Log.e("allowed", permission); } else { //prepare to never enquire again Log.east("gear up to never inquire again", permission); //do something here. } } } if (requestCode != MaterialBarcodeScanner.RC_HANDLE_CAMERA_PERM) { super.onRequestPermissionsResult(requestCode, permissions, grantResults); render; } if (grantResults.length != 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) { mScannerView.setResultHandler(this); mScannerView.startCamera(mCameraId); mScannerView.setFlash(mFlash); mScannerView.setAutoFocus(mAutoFocus); return; } else { //set to never ask again Log.e("set to never ask again", permissions[0]); } DialogInterface.OnClickListener listener = new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { dialog.abolish(); } }; AlertDialog.Builder builder = new AlertDialog.Builder(getActivity()); architect.setTitle("Error") .setMessage(R.string.no_camera_permission) .setPositiveButton(android.R.string.ok, listener) .bear witness(); } individual void insertDummyContactWrapper() { int hasWriteContactsPermission = checkSelfPermission(Manifest.permission.CAMERA); if (hasWriteContactsPermission != PackageManager.PERMISSION_GRANTED) { requestPermissions(new String[]{Manifest.permission.CAMERA}, REQUEST_CODE_ASK_PERMISSIONS); return; } mScannerView.setResultHandler(this); mScannerView.startCamera(mCameraId); mScannerView.setFlash(mFlash); mScannerView.setAutoFocus(mAutoFocus); } private int checkSelfPermission(Cord camera) { if (ContextCompat.checkSelfPermission(getActivity(), Manifest.permission.Camera) != PackageManager.PERMISSION_GRANTED) { render REQUEST_CODE_ASK_PERMISSIONS; } else { return REQUEST_NOT_CODE_ASK_PERMISSIONS; } } ~ Answered on 2017-03-21 09:59:23
OnRequestPermissionResult-free and shouldShowRequestPermissionRationale-costless method:
public static void requestDangerousPermission(AppCompatActivity action, String permission) { if (hasPermission(activity, permission)) return; requestPermission(); new Handler().postDelayed(() -> { if (activeness.getLifecycle().getCurrentState() == Lifecycle.State.RESUMED) { Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS); intent.setData(Uri.parse("package:" + context.getPackageName())); context.startActivity(intent); } }, 250); } Opens device settings subsequently 250ms if no permission popup happened (which is the case if 'Never ask once again' was selected.
~ Answered on 2020-xi-09 09:36:49
To respond the question precisely, What happens when user presses "Never Inquire Again"?
The overridden method / office
onRequestPermissionsResult(requestCode: Int, permissions: Array<out String>, grantResults: IntArray) The grantResult array comes out to exist Empty, so you can do something there maybe? But not the best practice.
How to Handle "Never Enquire 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 again */ updateUIForDeniedPermissions() checkIfPermissionIsGrantedNow() } else -> { /** * Need to ask For Permissions, Start Time */ checkIfPermissionIsGrantedNow() /** * If user selects, "Dont Ask Once again" it will never ask again! and then just update the UI for Denied Permissions */ updateUIForDeniedPermissions() } } } The other functions are trivial.
// Is Read Write Permissions Granted fun isReadWritePermissionGranted(context: Context): Boolean { return (ContextCompat.checkSelfPermission( context as Action, 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 { return ActivityCompat.shouldShowRequestPermissionRationale( context as Activeness, PermissionsUtils.READ_EXTERNAL_STORAGE_PERMISSIONS) } ~ Answered on 2019-05-06 10:14:59
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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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