ObjCSnippets.m

//
// Copyright (c) 2020 Google Inc.
//
// 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.
//

@import FirebaseInstallations;

#import"ObjCSnippets.h"

@interfaceObjCSnippets ()
@property(nonatomic, nullable) id<NSObject> installationIDObserver;
@end

@implementationObjCSnippets

- (void)handleInstallationIDChange {
// [START handle_installation_id_change]
 __weak __auto_type weakSelf = self;
 self.installationIDObserver = [[NSNotificationCenterdefaultCenter]
addObserverForName: FIRInstallationIDDidChangeNotification
object:nil
queue:nil
usingBlock:^(NSNotification * _Nonnull notification) {
// Fetch new Installation ID
 [weakSelf fetchInstallationsID];
 }];
// [END handle_installation_id_change]
}

- (void)fetchInstallationsID {
// [START fetch_installation_id]
 [[FIRInstallations installations] installationIDWithCompletion:^(NSString *identifier, NSError *error) {
if (error != nil) {
NSLog(@"Error fetching Installation ID %@", error);
return;
 }
NSLog(@"Installation ID: %@", identifier);
 }];
// [END fetch_installation_id]
}

- (void)fetchInstallationsToken {
// [START fetch_installation_token]
 [[FIRInstallations installations] authTokenForcingRefresh:true
completion:^(FIRInstallationsAuthTokenResult *result, NSError *error) {
if (error != nil) {
NSLog(@"Error fetching Installation token %@", error);
return;
 }
NSLog(@"Installation auth token: %@", [result authToken]);
 }];
// [END fetch_installation_token]
}

- (void)deleteInstallations {
// [START delete_installation]
 [[FIRInstallations installations] deleteWithCompletion:^(NSError *error) {
if (error != nil) {
NSLog(@"Error deleting Installation %@", error);
return;
 }
NSLog(@"Installation deleted");
 }];
// [END delete_installation]
}

@end