How to Request and Handle Permissions in Android

Android 5.1 Lollipop is a version of the Android operating system that was released in 2015. In Android 5.1 and later versions, apps may ask for permissions to access certain features or data on your device. For example, an app may ask for permission to access your location data, use your device’s camera, or access your device’s contacts.

To request a permission in an Android app, you can use the requestPermissions method of the ActivityCompat class from the Android support library. This method takes an Activity object and an array of strings representing the permissions that you want to request.

Here is an example of how you might request the CAMERA permission in an Android app:

When an app asks for permission, you will see a dialog box that explains why the app needs the permission and gives you the option to grant or deny the request. You can also view and manage app permissions in the settings menu of your device.

It is important to carefully consider the permissions that you grant to apps, as granting certain permissions could potentially give the app access to sensitive information or allow the app to perform actions on your device. It is always a good idea to only grant permissions to apps that you trust and that have a legitimate reason for needing the permission.

					// Check if the camera permission has been granted
if (ContextCompat.checkSelfPermission(this, Manifest.permission.CAMERA)
        != PackageManager.PERMISSION_GRANTED) {
    // If the permission has not been granted, request it
            new String[]{Manifest.permission.CAMERA},
} else {
    // If the permission has already been granted, proceed with the app's logic
    // that requires the camera.


The REQUEST_CAMERA_PERMISSION constant is a unique integer that you define in your app. It is used to identify the request when the app receives the result of the permission request.

You can handle the result of the permission request in the onRequestPermissionsResult method of your Activity. This method is called when the user responds to the permission request. You can check the result of the request and take appropriate action in your app.

public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions,
        @NonNull int[] grantResults) {
    if (requestCode == REQUEST_CAMERA_PERMISSION) {
        // If the request was successful, proceed with the app's logic that requires the camera
        if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
            // Permission was granted, proceed with the app's logic that requires the camera
        } else {
            // Permission was denied, show a message to the user
            Toast.makeText(this, "Camera permission is required to use this feature",


Keep in mind that in order to request a permission, you must first declare it in the app’s manifest file. You can do this by adding a uses-permission element to the manifest file. For example, to request the CAMERA permission, you would add the following element to the manifest file:

					<uses-permission android:name="android.permission.CAMERA" />


In this tutorial, we covered the basics of requesting and handling permissions in Android. We learned how to check if a permission has been granted, request a permission, and handle the result of the request. We also looked at how to declare permissions in the app’s manifest file.

Now that you have a better understanding of how to work with permissions in Android, try implementing these concepts in your own app. If you want to learn more about Android permissions, there are many resources available online, including the Android documentation and developer guides. With a little practice and some additional research, you will be an expert at managing permissions in your Android apps.

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