how to use onrequestpermissionsresult. The requestPermissions() method takes as arguments a reference to the current activity, together with the identifier of the permission being requested and a request code. Add the Bluetooth permission in the Info. Here a toast message is shown indicating the permission and user action. When in AppCompatActivity, you should use ActivityCompat. requestPermissions in a bit, the onRequestPermissionsResult callback is collected on the . In this step, we will see how to use the view in Xamarin. Using a permissions class is not a good way of doing things. Open Visual Studio 2017 -> Start -> New Project-> Select Cross-Platform (under Visual C#-> Mobile App (Xamarin. Note: If your app is written in Kotlin consider the easypermissions-ktx library which adds Kotlin extensions to the core EasyPermissions library. This method returns the result code (the one specified when requesting permission) and a result of granted or denied:. onRequestPermissionsResult not being called in dialog. But checkSelfPermission() is from ActivityCompat (not require Activity , only Context ). For now, let's focus on requesting two Permissions and getting two replies. How to Work With Geofences on Android. How to implement Android runtime permission flow in. Now in the layout of the main activity you have to create a frame layout and then add Android X camera preview inside the frame layout in order to display the camera feed. public void onRequestPermissionsResult(int requestCode, String permissions[], Mockito error: You cannot use argument matchers outside of . Forms App Project type under Cross-platform/App in the New Project dialog. Sometimes you need to keep your app’s icon hidden from the main menu (not the apps list in settings) and only let the user to open its launcher activity (or any other specified activity) using the dialer by calling a specific code. XXX functions, you can read our post of how to use our modules with Android. The easiest way to open maps is to use a Location that consists of the latitude and longitude to display. By voting up you can indicate which examples are most useful and appropriate. Member hotchemi commented on Mar 25, 2021 • edited. This example demonstrates how to request Location Permission at runtime on Kotlin. Fragment has requestPermissions() and onRequestPermissionsResult() methods, use it. The permission handling needs to happen in the module - so PermissionsAndroid or changing the project MainActivity won't work. If so, you should rewirte the WebChromeClient, and override the OnShowFileChooser method. So the final main layout of the app will look like this. READ_CONTACTS}), requestCode); and then override the parent fragment onRequestPermissionResult and check for the corresponding requestCode. This is used to handle each and every aspect of permissions. Technical Solution In Three Steps. You can find the full code related to this example here. readonly string [] PermissionsLocation = { Manifest. C# Copy Code var response = await CrossPermissions. Below is the code for the activity_main. Calling startActivity () from outside of an Activity context requires the FLAG_ACTIVITY_NEW_TASK flag. How to request Location permission at run time in Android? This example demonstrates how do I request Location permission in android. onRequestPermissionsResult is used to check weather permission is granted or not and take actions according to that. , other applications cannot access these files. use the object of your fragment to call the * onRequestPermissionsResult in fragment . Sync your project with the Gradle files after every edit! For more information about Gradle, please take a look at the Android Developer Documentation. public void onRequestPermissionsResult( int requestCode, I also use to work as a zookeeper, so if you have any burning questions about . val requestPermissionLauncher = registerForActivityResult(RequestPermission() ) { isGranted: Boolean -> if (isGranted) { // Permission is granted. 1 Activity did not have the OnRequestPermissionsResult method. CheckStatusAsync (); A PermissionException is thrown if the required permission is not declared. ConfigureAwait (false); Those lines in turn call a couple methods (that surely can be improved, but. To begin using EasyPermissions, have your Activity (or Fragment ) override the onRequestPermissionsResult . For example: When in AppCompatActivity, you should use ActivityCompat. OpenAsync method along with MapLaunchOptions, which define additional information to pass to the map app. v(TAG, "Received response for gps permission request. So, requestPermissions() method will show the permission dialog and will invoke onRequestPermissionsResult() callback method. Forms Project Start by creating a new Xamarin. I would like to use onRequestPermissionsResult in a native Android module, that can be imported into a React Native project. Else to use the feature, the app requests permission again. how to check them but i cannot use onRequestPermissionsResult method in my Location class, . These bindings not only expose the platform APIs in C#, but add powerful C# features, such as async/await, events, delegates, and more. Android Working with Marshmallow (M) Runtime Permissions. Each application file is private to this generated user, e. How to get user location in Android. 33, which depends on newer Activity/Fragment APIs that deprecates onRequestPermissionsResult. 0, the app asks for permission at run time and not during the installation. RequiresApi; * Check if multiple permissions are granted, if not request them. onRequestPermissionsResult extracted from open source projects. OnRequestPermissionsResult(requestCode, permissions, grantResults); 4. REQUEST_CODE_FOR_PERMISSIONS) Here, we are asking. If you find any bug, or you have suggestions, don't be shy to create issues or make a PRs in the develop branch. Example : Let’s say we want to access the camera and location in our app. GetStorageReadPermissionAsync (). new ArrayList () new LinkedList () Smart code suggestions by Tabnine. Multiple Runtime Permissions in Android with Kotlin using Dexter. You can do this in Android Studio by right-clicking anything in the Android file-view, hovering over the “New” option, and choosing the. iOS, or UWP applications that can be accessed from shared code. OnRequestPermissionsResult(requestCode, permissions, grantResults); And all works as I desired. Manifest class is imported from android. requestPermissions method), or source fragment (if you used Fragment's requestPermissions method). I had implemented the mentioned code in my application but location service popup is not showing but rest of the code is executing and opening the form. Android M Permissions: onRequestPermissionsResult() not being. Getting rid of the onRequestPermissionsResult method; Contributing. 0 (Marshmallow), the concept of run-time permissions was rolled in and so the same will be used for getting permission. Según los documentos, sigo todos los pasos perfectamente, pero cuando ejecuto el proyecto solo muestra un icono de Google en lugar del mapa de Google. RequestPermissionsAsync method can be used to request for any particular permissions. Permission[] grantResults) Test project is added below. Contract is a class that implements the ActivityResultContract interface. A marker is added to the map for the selected place. Reading this article, we can learn how to How to Keep your screen asleep while your application running in Xamarin Forms application using Xamarin Essentials for Android and Universal Windows Platform with XAML and Visual C# in cross-platform application development. Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2. use registerForActivityResult(ActivityResultContract, ActivityResultCallback) passing in a RequestMultiplePermissions object for the ActivityResultContract and handling the result in the callback. User369992 posted Hello, I am working in Xmarine. ConfigureAwait (false); bool bOL = await Util. We can use the Activity Result API as an alternative to the deprecated onRequestPermissionsResult + requestPermissions in Android Java. If you are with me till here, I hope you find it useful :) If you do, feel free to hit the like button. Next I have the MainActivity activity that extends AppCompartActivity implements . The right way to get a result (Part I): Activity Result API. This is where you either start your feature or handle the situation where your user has denied one or more permissions. public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super. Use only the permissions required for the application to function @Override public void onRequestPermissionsResult(int requestCode, . requestPermissions( (new String[] {Manifest. At this point it is recommended to create a new MAUI project using the command line dotnet new maui to check for templates that need to be installed or updated. In the Solution Explorer panel, right click on the project name and select Add > Add NuGet. We get an ArrayList of String as a result and we use this ArrayList to update the UI (EditText here). You’ll learn more by going through the steps yourself. onRequestPermissionsResult(requestCode, permissions, grantResults); setMessage("You have to Allow permission to access user location"); . Android recently deprecated its old ActivityResult API and introduced new ones with AndroidX Activity 1. You can read contribution guidelines here. Best Java code snippets using com. requestPermissions in a fragment, the onRequestPermissionsResult callback is called on the activity and not the fragment. Therefore, to handle this result, you’ll need to override this method:. onRequestPermissionsResult(requestCode, permissions, grantResults); switch. cs public override void OnRequestPermissionsResult( int requestCode, string [] permissions, [GeneratedEnum] Android. you will still need to override onRequestPermissionsResult() and call the permissionsManager 's . makeText( this, "The folder chooser will not work without permission to read external . Fragment, you should use simply requestPermissions (this is an instance method of android. Android onRequestPermissionsResult does not execute in Fragment. That was mentioned explicitly in the documentation but after thorough readings! Findings: no need to request Bluetooth permission if discoverability is requested, also to stay discoverable. That very well could be the reason for the difference. I also define the request code to use, myPermissionCode and a variable to override fun onRequestPermissionsResult( requestCode: Int, . I want to use OnRequestPermissionResult and I coded it exactly as in XamarinBlog { public override async void OnRequestPermissionsResult( int requestCode, string[] permissions, Android. When I use Mapbox's example code and then run the emulator (Android Studio), I cannot see my location. Everything is working fine but a input type= 'file' is not working but it is working in website perfectly so unable to upload profile image in from app. For the similar onActivityResult there is a way to create and add a listener to the ReactApplicationContext. To begin using EasyPermissions, have your Activity (or Fragment) override the onRequestPermissionsResult method:. Add onRequestPermissionsResult() method for Callback onRequestPermissionsResult() is necessary to get Callback of permission result You should add like, @Override public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) { super. Best Java code snippets using android. If all are accepted, then everything goes normally. Fragment) If you call ActivityCompat. Kotlin Apps/Applications Mobile Development. onRequestPermissionsResult(requestCode, permissions, grantResults); . Applies to Pass permission request results from an activity's overridden method to the library for handling internal permission requests. public override void OnRequestPermissionsResult(int requestCode, string[] permissions, Permission[] grantResults) { ZXing. Name: Fused-Location-API-Example. EasyPermissions Library: How to handle Runtime Permission in. You can rate examples to help us improve the quality of examples. First time, android will show the permissions normally. The request code can be any integer value and will be used to identify which request has triggered the call to the onRequestPermissionsResult() method. Select the Cross Platform template as Blank APP ->Set Platform as Android and UWP and code sharing strategy as. Both are dangerous permissions. Any checking can only be done in the onRequestPermissionsResult() method, or after it's been called. use the object of your fragment to call the * onRequestPermissionsResult in . xml and add the below code to that file. Navigate to the app > res > layout > activity_main. One last thing to try: Uninstall your app and try again. Since using the user’s permission is a matter concerned with high privacy, first acquire the user’s permission to use their location by requesting them for it. This is something like the case when some users using the dialer codes to get some information about. Intent intent = new Intent (Intent. Follow the steps below to retrieve your current location using Fused Location Provider: Create a Project Start a new Android Studio Project. ``` public class myWebChromeClient : WebChromeClient { Activity mActivity = null; public myWebChromeClient (Activity activity) { mActivity = activity; } public override bool OnShowFileChooser (WebView webView, IValueCallback filePathCallback. I need to check a permission on . Follow the path app > right click > new > activity > Empty Activity > name it as “MainActvity2”. requestLocationUpdates (LocationManager. When I grant permission to do it, the dialog closes, but it doesn't trigger the Send Text until I press the button again. onrequestpermissionsresult not called (3). The first problem I faced was that I needed to make sure that the device’s Bluetooth is not only On but also Visible. In the Solution Explorer panel, right click on the solution name and select Manage NuGet Packages. How to work with · User379860 posted Do you want to achieve the result like. I have a fragment in which I have recyclerview and setting data in this recyclerview using recyclerview adapter. This ensures getGPSLocationCurrent calls until user allows the permission of location services. 0-alpha04: "onRequestPermissionsResult() is deprecated. You should see a map with a number of markers centered around your current location, similar to the image on this page. Beside the code needed to use FileEcho, the Print Service must have the permission to write to external storage. Apart from the C# syntax and the function renaming to follow C# conventions, the code is very similar to the Java version. 1); } } } @Override public void onRequestPermissionsResult(int requestCode, 0) { ActivityCompat. An example of how to implement OnRequestPermissionResult is shown below:. Barcode scanning is a common functionality in many mobile applications. In theory this should be fixable by making an entry in EnumMethods. EasyPermissions is a wrapper library to simplify basic system permissions logic when targeting Android M or higher. When you request permission from a nested fragment use getParent like so fragment. The onrequestpermissionsresult method of the activity / fragment where the user needs to re apply for the permission will transfer the . After adding nuget to our project in Droid project open MainActivity. Therefore, to handle this result, you'll need to override this method: @Override. I need to check a permission on a button press, and if it's successful, send a text message. Step 1 − Create a new project in Android Studio, go to File? New Project and fill all required details to create a new project. For using Zxing in Xamarin Forms we have to first add nuget to both project which are Droid and iOS. This is an example of how to implement the OnRequestPermissionsResult on your MainActivity. Jave Code Examples for 'on request permissions result main activity'. activity_main); } @Override public void onRequestPermissionsResult(int requestCode, String. Here is my onRequestPermissionsResult(…)-method: @Override public void onRequestPermissionsResult(int requestCode, that I can use?. Essentials API works with all Xamarin. Embedding QR Code Scanner In Xamarin. GPS_PROVIDER, 0, 0, locationListener); } } //STEP 3: Respond accordingly to whether user granted permission or not @Override public void onRequestPermissionsResult (int requestCode, @NonNull String [] permissions, @NonNull int. var status = await Permissions. RequestCode is one of the parameters of this function which is used to check user action for the corresponding requests. In your MainActivity override OnRequestPermissionsResult method and call Shiny. onRequestPermissionsResult (Showing top 20 results out of 423) Add the Codota plugin to your IDE and get smart completions. Bluetooth Printing in Xamarin Forms using Shiny. We’ll display a prompt requesting access to these permissions when the application is launched. Permission [] grantResults); Parameters requestCode Int32. I want to use OnRequestPermissionResult and I coded it exactly as { public override async void OnRequestPermissionsResult( int requestCode, string[] permissions. I suggest to use a new version of Support Library 23. When developing iOS and Android apps with Xamarin, developers can access every native platform API using C#. Quiero importar Google Map SDK en mi proyecto. I am new to Android and Mapbox and I was wondering how to use the user location and Mapbox. onRequestPermissionsResult (int, string [], int []) Here are the examples of the csharp api class AndroidLifecycleCallbacks. In general, If you want to use a camera or make a call from your app you will ask for the user's permission. To allow that, go to "Settings" > "Apps" and tap the menu at the upper right corner (three vertical dots) and select the option "Show System". requestPermissions in a fragment, the onRequestPermissionsResult callback is . To avoid blocking the UI thread, we use an AsyncTask to get the contacts; to send the results back to the channel, we use a callback setup similar to permission. Use Up/Down Arrow keys to increase or decrease volume. Since onRequestPermissionsResult is used by permissiondispatcher generated code we are receiving warnings for this. Only then does your onRequestPermissionsResult() method get called. Forms)-> Give a suitable name for your app (XamFormClipboard) ->OK. From your activity where you need the permission just call: ActivityCompat. Any additional feedback? Feedback will be sent to Microsoft: By pressing the submit button, your feedback will be used to improve . Add the following permission to the project's manifest: 1. For that, tried to use the method channels to communicate with native code from the flutter and override an onRequestPermissionsResult in MainActivity which . To request a permission from the users, use the RequestAsync method along with the specific permission to request. * @param permissions one or more permissions, such as {@link android. @see #onRequestPermissionsResult(int, String[], int[]). I'm updating our app to use the new M runtime permissions system. Select Get Place to open a list of places (a business or other point of interest) near your current location. As the name specifies, using EasyPermissions will make our task easy to implement the permission alert box in any Android Application. onRequestPermissionsResult from the activity's onRequestPermissionsResult. This location is passed into the Maps. In a ViewModel I request permission for the StorageRead and StorageWrite on successive lines of code like this: bool bOK · User371688 posted The function Permissions. Continue the action or workflow in your // app. C# var status = await Permissions. This interface has a single method, OnRequestPermissionsResult, which will be invoked by Android to inform the Activity of the user's choices. If an app needs to use these resources(dangerous permission), the app has to request particular override fun onRequestPermissionsResult(. Use registerForActivityResult(ActivityResultContract, ActivityResultCallback) passing in . What is ActivityCompat checkSelfPermission?. 0, because Google fixed issue with not calling onRequestPermissionsResult, but if for some reasons you need to use an older version, then see origin answer below. To actually test the barcode scanning, you will need a physical device since the iOS simulator or Android emulators will not give you access to a camera. OnRequestPermissionsResult (requestCode, permissions, grantResults);} The Camera permission should be automatically included for you in the AndroidManifest. When you run the app on a device or a simulator/emulator, you first get the page to scan a barcode. onRequestPermissionsResult(requestCode, permissions, grantResults);. It makes it easier to request runtime permissions. A user using Marshmallow can revoke the dangerous permissions (we'll discuss the dangerous and normal permissions later) from the Settings->Apps->Permissions. If the user has granted the permission, then the app can go ahead and use the protected resource. An example of how to check if a permission has been granted or denied is shown below. If the user previously granted permission and hasn't revoked it, then this method will return Granted immediately and not display a dialog. Calendar); If the User has denied the permission, you might not be able to request for permissions again. The emulator does ask for my location. Where do I put permissions on Android? How do you handle onRequestPermissionsResult in a fragment? How do I ask for permission professionally?. Let’s add the permissions into a string array and call the requestPermissions as shown below: String [] perms = { "android. I want to make an app that can track my location on an Android device with Mapbox. Get more articles & interviews from voice technology experts at. switch (requestCode) { case REQUEST_FINE_ACCESS: //received result for GPS access Log. How to use Best Java code snippets using android. There might be several other implementations of this class. This is an example of how to implement the. If you didn't use an AsyncTask to query the contacts, the circular progress bar would freeze. Break point hits public override void OnRequestPermissionsResult(int requestCode, string[] permissions, [GeneratedEnum] Android. These are the top rated real world Java examples of android. The first thing to do is to define the entire permission group that the app needs access to as well as a unique identifier to be used when requesting permission. Open your designer file and in my case MainPage. In the case we try to call some function that requires a permission which user has not granted yet, the function will suddenly throw an Exception( java. If you didn’t use an AsyncTask to query the contacts, the circular progress bar would freeze. OnRequestPermissionsResult(Int32, String. Android application in visual studio c#. The library is completely reflection-free and quite easy to use. onCreate(savedInstanceState); setContentView(R. InvalidOperationException: Calling Scene Raisefrom assembly reloading callbacks are not supported. To get started, you’ll need to create a new AIDL file. xaml and add the ZxingSannerView as shown below. The client can initialize location // requests here. Now, here's how the whole case goes after requesting permissions. 101) dotnet --version (check for 6. Essentials and install the package into ALL projects including Android, iOS, UWP, and. Where I defines the type of input. write the following code for runtime permission. C# public static void OnRequestPermissionsResult (int requestCode, string[] permissions, Android. We will also need to declare the CAMERA permission in Android manifest to access the device camera. It's all working except for onRequestPermissionsResult(). Android M权限:onRequestPermissionsResult()没有被调用. How to apply successfully Runtime Permissions in Android?. Once the user opens the app, the app will request the permission, if not granted and then scan the QR Code. Add Label below the ZxingSannerView to see the results when the bar/QR code is scanned. Permission[] grantResults ) { } } Collected from the Internet. OnRequestPermissionsResult(int, string[], Permission[]). If you use any of the permissions found in one of the permission groups, This can be accomplished by overriding the OnRequestPermissionsResult in the Activity where the permission was requested. Using ACTION_DIAL , you will need no call permissions in your app, as ACTION_DIAL opens the dialer with the number already entered, and further allows the user to decide whether to actually make the call or modify the phone number before calling or not call at all. The Android system installs every Android application with a unique user and group ID. apply(); } public static void onRequestPermissionsResult(Activity activity, . The result of runtime permission request will be delivered to onRequestPermissionsResult method inside either target Activity (if you used ActivityCompat. Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project. Essentials must receive any OnRequestPermissionsResult. onRequestPermissionsResult(int, java. You can use either a val, as shown in this snippet, // or a lateinit var in your onAttach () or onCreate () method. onRequestPermissionsResult (Showing top 1 results out of 315) Common ways to obtain SupportMapFragment. * @return true if all permissions are granted, false if at least one is not granted yet. Now, let’s implement the GetLocationPermissionAsync method for Marshmallow and use the new runtime permissions. Have you looked at the LogCat using Android Device Monitor? That often provides me with very useful insights that you can't get any other way. public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) { super. onRequestPermissionsResult( int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults ). Suppose, we need the user permissions we will ask the permission by using the below function. Java Android 6上的setMyLocationEnabled()错误,java,android,google-maps,location,Java,Android,Google Maps,Location,当我加载地图活动时,会出现一个"我的位置"按钮。. When you scan a barcode, an alert gets displayed with the barcode text and format. busco mucho pero nada encuentro para resolver mi prob. I have an application which needs to find the user location, and location is fetched in various classes, so i have written a separate class(Not an Activity class) that fetches user location using location services, it works fine under Android M but requires run time permissions in Android M, i want to check permissions in my Location class and i know. For a DialogFragment, a workaround appears to be to have the fragment wanting to show the dialog call a method on the hosting activity, and the activity shows the DialogFragment itself. A major difference with the Java version of the same application: you don't have to declare the use of the USB port in the AndroidManifest. Overriding an onRequestPermissionsResult in Flutter application #617. GetStorageWritePermissionAsync (). RequestPermissionsAsync (Permission. onRequestPermissionsResult (Showing top 1 results out of 315) Add the Codota plugin to your IDE and get smart completions. In a ViewModel I request permission for the StorageRead and StorageWrite on successive lines of code like this: bool bOK = await Util. onRequestPermissionsResult (int, string [], int []) taken from open source projects. This is a huge advantage for developers, because they never have to leave C#, whether they're writing shared business logic, user interface, or. Add these permissions in your AndroidManifest file. OnRequestPermissionsResultCallback#onRequestPermissionsResult(int . var response = await CrossPermissions. From MarshMallow android introduced runtime permissions, we can grant the permissions while using the app, instead of while installing the app. From checking attendees into an event and opening web pages to creating a conference scavenger hunt, there are plenty of use cases. I ran into the same issue and I just found the solution. When your user is done with the dialogs, onRequestPermissionsResult is called and can be accessed in your Activity. Step 4: Override onRequestPermissionsResult() method: onRequestPermissionsResult() is called when user grant or decline the permission. I am trying to build a real-time object detection android app using the Google ML kit. Android M Permissions: onRequestPermissionsResult() not being calledI'm updating our app to use the new M runtime permissions system. You can also request multiple permissions at the same time. 除了onRequestPermissionsResult()之外,它们都在工作。. Here you use registerForActivityResult() method instead onRequestPermissionsResult() as alternative of onRequestPermissionsResult(). One property that you may want to set in the options is the Name, which the map app will display. Think about it - the only way your app can know if the permission's been granted, is after the user dialog has been shown, and the user has responded. Close all Visual Studio + Visual Studio Installer windows. permsRequestCode); @Override public void onRequestPermissionsResult(int . To check the current status of a permission, use the CheckStatusAsync method along with the specific permission to get the status for. xml however if you would like to use the Flashlight API you will still need to add the Flashlight permission yourself. We need to set the correct permissions to create and use geofences. Here I am working with webview. OnRequestPermissionsResultCallback. requestPermissions (arrayOf (Manifest. OnRequestPermissionsResult(requestCode, permissions, grantResults); Finally replaced it with your original plugin contribution (thank you, BTW!) - PermissionsImplementation. onRequestPermissionsResult - 10 examples found. In this case the code will not continue to STEP 3. Portions of this page are modifications based on work created and shared by the Android . Whatever answers related to "xamarin android onrequestpermissionsresult not called in fragment". Android M Autorisations: onRequestPermissionsResult() n'est pas. There appears to be a bug in Android, where nested fragments do not support the onRequestPermissionsResult () callback. Two comments - XE should not inject. requestPermissions method), or source fragment (if you used Fragment’s requestPermissions method). onRequestPermissionsResult is deprecated; Expected. What I want to do is take a image frame from the camera , detect the objects inside that frame , draw the bounding boxes & then show that image to the user on the screen. This tutorial describes the security and permissions model for Android applications. * @param activity calling activity which needs permissions. When using the Support library, you have to use the correct method calls. User234750 posted In our App I need to ask the user to use several features of their device. Using ZXing (QR Code Scanner) in Xamarin Forms. Step 2 − Add the following code to res/layout/activity_main. Essentials plugin provides 20+ cross-platform APIs for mobile application development. Share with other Temenos Developers. This will be the view that will render the camera feed in your app. You can do this by using the following assembly level attribute:. Did you override onRequestPermissionsResult() in the activity? It would be interesting to put a break point there and see if it gets called. To build an android app for scanning QR Codes we will be using Android Library which is based on Zxing QR code scanning android library. onRequestPermissionsResult(requestCode. For developers using the Android Support Library The first is onRequestPermissionsResult method and the second is the . requestPermissions (this, new String [] {Per}, Request_code); and also in the same Activity, handle the request in the onRequestPermissionsResult method accordingly. If you want to check unique device id like IMEI number through programmatically we can do this by telephonic manger as shown below example −. xml or changing the parameter type using an attr tag in MetaData.