257 lines
10 KiB
Java
257 lines
10 KiB
Java
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.dialer.util;
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import static android.Manifest.permission.ACCESS_COARSE_LOCATION;
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import static android.Manifest.permission.ACCESS_FINE_LOCATION;
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import static android.Manifest.permission.ADD_VOICEMAIL;
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import static android.Manifest.permission.CALL_PHONE;
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import static android.Manifest.permission.MODIFY_PHONE_STATE;
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import static android.Manifest.permission.READ_CALL_LOG;
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import static android.Manifest.permission.READ_CONTACTS;
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import static android.Manifest.permission.READ_PHONE_STATE;
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import static android.Manifest.permission.READ_VOICEMAIL;
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import static android.Manifest.permission.SEND_SMS;
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import static android.Manifest.permission.WRITE_CALL_LOG;
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import static android.Manifest.permission.WRITE_CONTACTS;
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import static android.Manifest.permission.WRITE_VOICEMAIL;
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import android.Manifest.permission;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.content.pm.PackageManager;
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import android.support.annotation.NonNull;
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import android.support.annotation.VisibleForTesting;
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import android.support.v4.content.ContextCompat;
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import android.support.v4.content.LocalBroadcastManager;
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import android.widget.Toast;
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import com.android.dialer.common.LogUtil;
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import com.android.dialer.storage.StorageComponent;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.List;
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/** Utility class to help with runtime permissions. */
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public class PermissionsUtil {
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@VisibleForTesting
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public static final String PREFERENCE_CAMERA_ALLOWED_BY_USER = "camera_allowed_by_user";
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private static final String PERMISSION_PREFERENCE = "dialer_permissions";
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private static final String CEQUINT_PERMISSION = "com.cequint.ecid.CALLER_ID_LOOKUP";
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// Permissions list retrieved from application manifest.
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// Starting in Android O Permissions must be explicitly enumerated:
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// https://developer.android.com/preview/behavior-changes.html#rmp
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public static final List<String> allPhoneGroupPermissionsUsedInDialer =
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Collections.unmodifiableList(
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Arrays.asList(
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READ_CALL_LOG,
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WRITE_CALL_LOG,
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READ_PHONE_STATE,
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MODIFY_PHONE_STATE,
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SEND_SMS,
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CALL_PHONE,
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ADD_VOICEMAIL,
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WRITE_VOICEMAIL,
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READ_VOICEMAIL));
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public static final List<String> allContactsGroupPermissionsUsedInDialer =
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Collections.unmodifiableList(Arrays.asList(READ_CONTACTS, WRITE_CONTACTS));
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public static final List<String> allLocationGroupPermissionsUsedInDialer =
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Collections.unmodifiableList(Arrays.asList(ACCESS_FINE_LOCATION, ACCESS_COARSE_LOCATION));
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public static boolean hasPhonePermissions(Context context) {
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return hasPermission(context, permission.CALL_PHONE);
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}
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public static boolean hasReadPhoneStatePermissions(Context context) {
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return hasPermission(context, permission.READ_PHONE_STATE);
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}
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public static boolean hasContactsReadPermissions(Context context) {
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return hasPermission(context, permission.READ_CONTACTS);
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}
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public static boolean hasContactsWritePermissions(Context context) {
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return hasPermission(context, permission.WRITE_CONTACTS);
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}
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public static boolean hasLocationPermissions(Context context) {
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return hasPermission(context, permission.ACCESS_FINE_LOCATION);
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}
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public static boolean hasCameraPermissions(Context context) {
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return hasPermission(context, permission.CAMERA);
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}
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public static boolean hasMicrophonePermissions(Context context) {
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return hasPermission(context, permission.RECORD_AUDIO);
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}
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public static boolean hasCallLogReadPermissions(Context context) {
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return hasPermission(context, permission.READ_CALL_LOG);
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}
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public static boolean hasCallLogWritePermissions(Context context) {
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return hasPermission(context, permission.WRITE_CALL_LOG);
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}
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public static boolean hasCequintPermissions(Context context) {
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return hasPermission(context, CEQUINT_PERMISSION);
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}
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public static boolean hasReadVoicemailPermissions(Context context) {
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return hasPermission(context, permission.READ_VOICEMAIL);
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}
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public static boolean hasWriteVoicemailPermissions(Context context) {
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return hasPermission(context, permission.WRITE_VOICEMAIL);
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}
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public static boolean hasAddVoicemailPermissions(Context context) {
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return hasPermission(context, permission.ADD_VOICEMAIL);
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}
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public static boolean hasSendSmsPermissions(Context context) {
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return hasPermission(context, permission.SEND_SMS);
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}
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public static boolean hasPermission(Context context, String permission) {
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return ContextCompat.checkSelfPermission(context, permission)
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== PackageManager.PERMISSION_GRANTED;
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}
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/**
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* Checks {@link android.content.SharedPreferences} if a permission has been requested before.
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*
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* <p>It is important to note that this method only works if you call {@link
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* PermissionsUtil#permissionRequested(Context, String)} in {@link
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* android.app.Activity#onRequestPermissionsResult(int, String[], int[])}.
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*/
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public static boolean isFirstRequest(Context context, String permission) {
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return context
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.getSharedPreferences(PERMISSION_PREFERENCE, Context.MODE_PRIVATE)
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.getBoolean(permission, true);
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}
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/**
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* Records in {@link android.content.SharedPreferences} that the specified permission has been
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* requested at least once.
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*
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* <p>This method should be called in {@link android.app.Activity#onRequestPermissionsResult(int,
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* String[], int[])}.
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*/
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public static void permissionRequested(Context context, String permission) {
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context
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.getSharedPreferences(PERMISSION_PREFERENCE, Context.MODE_PRIVATE)
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.edit()
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.putBoolean(permission, false)
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.apply();
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}
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/**
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* Rudimentary methods wrapping the use of a LocalBroadcastManager to simplify the process of
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* notifying other classes when a particular fragment is notified that a permission is granted.
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*
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* <p>To be notified when a permission has been granted, create a new broadcast receiver and
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* register it using {@link #registerPermissionReceiver(Context, BroadcastReceiver, String)}
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*
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* <p>E.g.
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*
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* <p>final BroadcastReceiver receiver = new BroadcastReceiver() { @Override public void
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* onReceive(Context context, Intent intent) { refreshContactsView(); } }
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*
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* <p>PermissionsUtil.registerPermissionReceiver(getActivity(), receiver, READ_CONTACTS);
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*
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* <p>If you register to listen for multiple permissions, you can identify which permission was
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* granted by inspecting {@link Intent#getAction()}.
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*
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* <p>In the fragment that requests for the permission, be sure to call {@link
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* #notifyPermissionGranted(Context, String)} when the permission is granted so that any
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* interested listeners are notified of the change.
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*/
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public static void registerPermissionReceiver(
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Context context, BroadcastReceiver receiver, String permission) {
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LogUtil.i("PermissionsUtil.registerPermissionReceiver", permission);
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final IntentFilter filter = new IntentFilter(permission);
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LocalBroadcastManager.getInstance(context).registerReceiver(receiver, filter);
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}
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public static void unregisterPermissionReceiver(Context context, BroadcastReceiver receiver) {
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LogUtil.i("PermissionsUtil.unregisterPermissionReceiver", null);
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LocalBroadcastManager.getInstance(context).unregisterReceiver(receiver);
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}
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public static void notifyPermissionGranted(Context context, String permission) {
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LogUtil.i("PermissionsUtil.notifyPermissionGranted", permission);
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final Intent intent = new Intent(permission);
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LocalBroadcastManager.getInstance(context).sendBroadcast(intent);
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}
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/**
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* Returns a list of permissions currently not granted to the application from the supplied list.
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*
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* @param context - The Application context.
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* @param permissionsList - A list of permissions to check if the current application has been
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* granted.
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* @return An array of permissions that are currently DENIED to the application; a subset of
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* permissionsList.
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*/
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@NonNull
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public static String[] getPermissionsCurrentlyDenied(
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@NonNull Context context, @NonNull List<String> permissionsList) {
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List<String> permissionsCurrentlyDenied = new ArrayList<>();
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for (String permission : permissionsList) {
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if (!hasPermission(context, permission)) {
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permissionsCurrentlyDenied.add(permission);
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}
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}
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return permissionsCurrentlyDenied.toArray(new String[permissionsCurrentlyDenied.size()]);
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}
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/**
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* Since we are granted the camera permission automatically as a first-party app, we need to show
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* a toast to let users know the permission was granted for privacy reasons.
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*
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* @return true if we've already shown the camera privacy toast.
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*/
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public static boolean hasCameraPrivacyToastShown(@NonNull Context context) {
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return StorageComponent.get(context)
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.unencryptedSharedPrefs()
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.getBoolean(PREFERENCE_CAMERA_ALLOWED_BY_USER, false);
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}
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public static void showCameraPermissionToast(@NonNull Context context) {
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Toast.makeText(context, context.getString(R.string.camera_privacy_text), Toast.LENGTH_LONG)
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.show();
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setCameraPrivacyToastShown(context);
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}
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public static void setCameraPrivacyToastShown(@NonNull Context context) {
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StorageComponent.get(context)
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.unencryptedSharedPrefs()
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.edit()
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.putBoolean(PREFERENCE_CAMERA_ALLOWED_BY_USER, true)
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.apply();
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}
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}
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