| /* |
| * Copyright 2018 Google LLC All Rights Reserved. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.google.skar.examples.helloskar.helpers; |
| |
| import android.Manifest; |
| import android.app.Activity; |
| import android.content.Intent; |
| import android.content.pm.PackageManager; |
| import android.net.Uri; |
| import android.provider.Settings; |
| import android.support.v4.app.ActivityCompat; |
| import android.support.v4.content.ContextCompat; |
| |
| /** |
| * Helper to ask camera permission. |
| */ |
| public final class CameraPermissionHelper { |
| private static final int CAMERA_PERMISSION_CODE = 0; |
| private static final String CAMERA_PERMISSION = Manifest.permission.CAMERA; |
| |
| /** |
| * Check to see we have the necessary permissions for this app. |
| */ |
| public static boolean hasCameraPermission(Activity activity) { |
| return ContextCompat.checkSelfPermission(activity, CAMERA_PERMISSION) |
| == PackageManager.PERMISSION_GRANTED; |
| } |
| |
| /** |
| * Check to see we have the necessary permissions for this app, and ask for them if we don't. |
| */ |
| public static void requestCameraPermission(Activity activity) { |
| ActivityCompat.requestPermissions( |
| activity, new String[]{CAMERA_PERMISSION}, CAMERA_PERMISSION_CODE); |
| } |
| |
| /** |
| * Check to see if we need to show the rationale for this permission. |
| */ |
| public static boolean shouldShowRequestPermissionRationale(Activity activity) { |
| return ActivityCompat.shouldShowRequestPermissionRationale(activity, CAMERA_PERMISSION); |
| } |
| |
| /** |
| * Launch Application Setting to grant permission. |
| */ |
| public static void launchPermissionSettings(Activity activity) { |
| Intent intent = new Intent(); |
| intent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS); |
| intent.setData(Uri.fromParts("package", activity.getPackageName(), null)); |
| activity.startActivity(intent); |
| } |
| } |