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ViewController.m
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ViewController.m
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//
// Copyright (c) 2016 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 WebKit;
@import FirebaseAnalytics;
#import "ViewController.h"
@interface ViewController () <WKScriptMessageHandler>
@property (nonatomic, readonly) NSURL *projectURL;
@property (nonatomic, readonly) WKWebView *webView;
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
// Get the hosted site url from the info.plist file.
NSString *plistPath = [[NSBundle mainBundle] pathForResource:@"GoogleService-Info"
ofType:@"plist"];
NSDictionary *plist = [NSDictionary dictionaryWithContentsOfFile:plistPath];
NSString *appID = plist[@"PROJECT_ID"];
NSString *projectURLString = [NSString stringWithFormat:@"https://%@.firebaseapp.com", appID];
_projectURL = [NSURL URLWithString:projectURLString];
// Initialize the webview and add self as a script message handler.
_webView = [[WKWebView alloc] initWithFrame:self.view.frame];
// [START add_handler]
[self.webView.configuration.userContentController addScriptMessageHandler:self
name:@"firebase"];
// [END add_handler]
[self.view addSubview:self.webView];
}
- (void)viewDidAppear:(BOOL)animated {
[super viewDidAppear:animated];
NSURLRequest *request = [NSURLRequest requestWithURL:self.projectURL];
[self.webView loadRequest:request];
}
#pragma mark - WKScriptMessageHandler
// [START handle_messages]
- (void)userContentController:(WKUserContentController *)userContentController
didReceiveScriptMessage:(WKScriptMessage *)message {
if ([message.body[@"command"] isEqual:@"setUserProperty"]) {
[FIRAnalytics setUserPropertyString:message.body[@"value"] forName:message.body[@"name"]];
} else if ([message.body[@"command"] isEqual: @"logEvent"]) {
[FIRAnalytics logEventWithName:message.body[@"name"] parameters:message.body[@"parameters"]];
}
}
// [END handle_messages]
@end