How to check Grants Permissions at Run-Time

Question

In Android M  Preview  the user can choose a specific app and retreive specific permission   So I am asking How to check Grants Permissions at Run-Time

User · Answer

You can also query by following code snippet as backward compatible   int hasPermission   ContextCompat checkSelfPermission this Manifest permission WRITE CONTACTS   if  hasPermission    PackageManager PERMISSION GRANTED          Do smthng

User · Answer

original  not mine  post  here  For special permissions  such as android Manifest permission PACKAGE USAGE STATS used  AppOpsManager   Kotlin  private fun hasPermission permission String  permissionAppOpsManager String   Boolean       var granted   false     if  VERSION SDK INT  gt   VERSION CODES M               requires kitkat         val appOps   applicationContext   getSystemService Context APP OPS SERVICE  as AppOpsManager             requires lollipop         val mode   appOps checkOpNoThrow permissionAppOpsManager                                android os Process myUid    applicationContext   packageName           if  mode    AppOpsManager MODE DEFAULT                granted   applicationContext   checkCallingOrSelfPermission permission     PackageManager PERMISSION GRANTED           else               granted   mode    AppOpsManager MODE ALLOWED                      return granted     and anywhere in code    val permissionAppOpsManager   AppOpsManager OPSTR GET USAGE STATS val permission   android Manifest permission PACKAGE USAGE STATS val permissionActivity   Settings ACTION USAGE ACCESS SETTINGS  if  hasPermission permission  permissionAppOpsManager         Timber i  has permission   permission          do here what needs permission   else       Timber e  has no permission   permission          start activity to get permission     startActivity Intent permissionActivity       Other permissions you can get with TedPermission library

User · Answer

Nice     I just found my need we can check if the permission is granted by    checkSelfPermission Manifest permission READ CONTACTS    Request permissions if necessary  if  checkSelfPermission Manifest permission READ CONTACTS                 PackageManager PERMISSION GRANTED            requestPermissions new String   Manifest permission READ CONTACTS                   MY PERMISSIONS REQUEST READ CONTACTS               MY PERMISSIONS REQUEST READ CONTACTS is an            app-defined int constant          return          Handle the permissions request response   Override public void onRequestPermissionsResult int requestCode          String permissions    int   grantResults        switch  requestCode            case MY PERMISSIONS REQUEST READ CONTACTS                if  grantResults 0     PackageManager PERMISSION GRANTED                        permission was granted  yay  do the                    calendar task you need to do                 else                       permission denied  boo  Disable the                    functionality that depends on this permission                            return                        other  switch  lines to check for other            permissions this app might request

User · Answer

Try this instead simple request code https   www learn2crack com 2015 10 android-marshmallow-permissions html  public static final int REQUEST ID MULTIPLE PERMISSIONS   1   private  boolean checkAndRequestPermissions         int camera   ContextCompat checkSelfPermission this  android Manifest permission CAMERA       int storage   ContextCompat checkSelfPermission this  android Manifest permission WRITE EXTERNAL STORAGE       int loc   ContextCompat checkSelfPermission this  android Manifest permission ACCESS COARSE LOCATION       int loc2   ContextCompat checkSelfPermission this  android Manifest permission ACCESS FINE LOCATION       List lt String gt  listPermissionsNeeded   new ArrayList lt  gt          if  camera    PackageManager PERMISSION GRANTED            listPermissionsNeeded add android Manifest permission CAMERA             if  storage    PackageManager PERMISSION GRANTED            listPermissionsNeeded add android Manifest permission WRITE EXTERNAL STORAGE             if  loc2    PackageManager PERMISSION GRANTED            listPermissionsNeeded add android Manifest permission ACCESS FINE LOCATION             if  loc    PackageManager PERMISSION GRANTED            listPermissionsNeeded add android Manifest permission ACCESS COARSE LOCATION             if   listPermissionsNeeded isEmpty                  ActivityCompat requestPermissions this listPermissionsNeeded toArray                  new String listPermissionsNeeded size     REQUEST ID MULTIPLE PERMISSIONS           return false            return true

User · Answer

Best description is on  http   inthecheesefactory com blog things-you-need-to-know-about-android-m-permission-developer-edition en  For simple use permissions you can use this lib  http   hotchemi github io PermissionsDispatcher

User · Answer

Check out the below library in git   RuntimePermission Implementation           allprojects               repositories                                       maven   url  https   jitpack io                                             dependencies               implementation  com github manoj140220 RuntimePermission 1 0 3                                          new RuntimePermission  Current Class Object   String      ActvityContext                         String     permission array            example    String   permissionArray    Manifest permission CAMERA  Manifest permission BODY SENSORS                Implement    PermissionNotify           interface notifier methods            Override     public void notifyPermissionGrant                              Override     public void notifyPermissionDeny

User · Answer

For Location runtime Permission   ActivityCompat requestPermissions this new String   android Manifest permission ACCESS FINE LOCATION   1    public void onRequestPermissionsResult int requestCode  String permissions    int   grantResults        switch  requestCode            case 1                   If request is cancelled  the result arrays are empty              if  grantResults length  gt  0                      amp  amp  grantResults 0     PackageManager PERMISSION GRANTED                    Log d  yes   yes                   else                   Log d  yes   no                       permission denied  boo  Disable the                    functionality that depends on this permission                            return                       other  case  lines to check for other            permissions this app might request

User · Answer

Try this for Check Run-Time Permission     Override protected void onCreate Bundle savedInstanceState        super onCreate savedInstanceState       setContentView R layout activity main        checkRunTimePermission        Check run time permission   private void checkRunTimePermission         String   permissionArrays   new String   Manifest permission CAMERA  Manifest permission WRITE EXTERNAL STORAGE        if  Build VERSION SDK INT  gt   Build VERSION CODES M            requestPermissions permissionArrays  11111         else               if already permition granted            PUT YOUR ACTION  Like Open cemara etc              Handle Permission result    Override public void onRequestPermissionsResult int requestCode  String   permissions  int   grantResults        super onRequestPermissionsResult requestCode  permissions  grantResults       boolean openActivityOnce   true      boolean openDialogOnce   true      if  requestCode    11111            for  int i   0  i  lt  grantResults length  i                  String permission   permissions i                isPermitted   grantResults i     PackageManager PERMISSION GRANTED               if  grantResults i     PackageManager PERMISSION DENIED                       user rejected the permission                 boolean showRationale   shouldShowRequestPermissionRationale permission                   if   showRationale                          execute when  never Ask Again  tick and permission dialog not show                   else                       if  openDialogOnce                            alertView                                                                             if  isPermitted              if  isPermissionFromGallery                  openGalleryFragment              Set custom alert   private void alertView         AlertDialog Builder dialog   new AlertDialog Builder getActivity    R style MyAlertDialogStyle        dialog setTitle  Permission Denied                setInverseBackgroundForced true                 setIcon R drawable ic info black 24dp               setMessage  Without those permission the app is unable to save your profile  App needs to save profile image in your external storage and also need to get profile image from camera or external storage Are you sure you want to deny this permission                  setNegativeButton  I M SURE   new DialogInterface OnClickListener                     public void onClick DialogInterface dialoginterface  int i                        dialoginterface dismiss                                                  setPositiveButton  RE-TRY   new DialogInterface OnClickListener                     public void onClick DialogInterface dialoginterface  int i                        dialoginterface dismiss                        checkRunTimePermission                                      show

User · Answer

fun hasPermission permission  String   Boolean         if  Build VERSION SDK INT  lt  Build VERSION CODES M  return true    must be granted after installed        return mAppSet appContext checkSelfPermission permission     PackageManager PERMISSION GRANTED

User · Answer

use Dexter library   Include the library in your build gradle  dependencies      implementation  com karumi dexter 4 2 0      this example requests WRITE EXTERNAL STORAGE   Dexter withActivity this                   withPermission Manifest permission WRITE EXTERNAL STORAGE                   withListener new PermissionListener                          Override                     public void onPermissionGranted PermissionGrantedResponse response                               permission is granted  open the camera                                             Override                     public void onPermissionDenied PermissionDeniedResponse response                               check for permanent denial of permission                         if  response isPermanentlyDenied                                     navigate user to app settings                                                                       Override                     public void onPermissionRationaleShouldBeShown PermissionRequest permission  PermissionToken token                            token continuePermissionRequest                                             check      check this answer here

[android] How to check Grants Permissions at Run-Time?

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