Android application running from android studio but app not installed -


i have android app working when deployed via android studio when copy generated apk output folder (app\build\outputs\apk) , install on same phone app crashes on loading.

even upon installation os says app not require special permissions though have these in manifest file:

  <uses-permission android:name="android.permission.get_accounts" /> <uses-permission android:name="android.permission.read_profile" /> <uses-permission android:name="android.permission.read_contacts" /> <uses-permission android:name="android.permission.access_fine_location" /> <uses-permission android:name="android.permission.internet" /> <uses-permission android:name="android.permission.wake_lock" /> <uses-permission android:name="android.permission.vibrate" />

you need explicitly ask user provide permission access location , contacts. update added lollipop/marshmallow.

you might have this.

@override     public void onrequestpermissionsresult(int requestcode, @nonnull string[] permissions,                                            @nonnull int[] grantresults) {         if (requestcode == permissions_request_code_access_coarse_location                 && grantresults[0] == packagemanager.permission_granted) {            // user has granted permission access location         } else {             // user has not granted permission(notify user features not work app if permission not granted)         }     }

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