AppDelegate.m Post Crashlytics Logs Integration for React Native

gistfile1.txt

/**
 * Copyright (c) 2015-present, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 */
 
 /**
 * reference: https://medium.com/delivery-com-engineering/add-crashlytics-to-your-react-native-ios-app-69a983a9062a#.95zjypwwh
 */

#import "AppDelegate.h"
#import "RCTRootView.h"
#import <Fabric/Fabric.h>
#import <Crashlytics/Crashlytics.h>
#import <asl.h>
#import "RCTLog.h"


@implementation AppDelegate

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
  NSURL *jsCodeLocation;

  /**
   * Loading JavaScript code - uncomment the one you want.
   *
   * OPTION 1
   * Load from development server. Start the server from the repository root:
   *
   * $ npm start
   *
   * To run on device, change `localhost` to the IP address of your computer
   * (you can get this by typing `ifconfig` into the terminal and selecting the
   * `inet` value under `en0:`) and make sure your computer and iOS device are
   * on the same Wi-Fi network.
   */

  jsCodeLocation = [NSURL URLWithString:@"http://10.0.0.6:8081/index.ios.bundle?platform=ios&dev=true"];

  /**
   * OPTION 2
   * Load from pre-bundled file on disk. The static bundle is automatically
   * generated by "Bundle React Native code and images" build step.
   */

  // jsCodeLocation = [[NSBundle mainBundle] URLForResource:@"main" withExtension:@"jsbundle"];

  RCTRootView *rootView = [[RCTRootView alloc] initWithBundleURL:jsCodeLocation
                                                      moduleName:@"RepairMaps"
                                               initialProperties:nil
                                                   launchOptions:launchOptions];

  self.window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
  UIViewController *rootViewController = [[UIViewController alloc] init];
  rootViewController.view = rootView;
  self.window.rootViewController = rootViewController;
  [self.window makeKeyAndVisible];
  // [[Fabric sharedSDK] setDebug: YES];
  [Fabric with:@[[Crashlytics class]]];
  RCTSetLogThreshold(RCTLogLevelInfo);
  RCTSetLogFunction(CrashlyticsReactLogFunction);
  return YES;
}


RCTLogFunction CrashlyticsReactLogFunction = ^(
                                         RCTLogLevel level,
                                         __unused RCTLogSource source,
                                         NSString *fileName,
                                         NSNumber *lineNumber,
                                         NSString *message
                                         )
{
    NSString *log = RCTFormatLog([NSDate date], level, fileName, lineNumber, message);
    
    #ifdef DEBUG
        fprintf(stderr, "%s\n", log.UTF8String);
        fflush(stderr);
    #else
        CLS_LOG(@"REACT LOG: %s", log.UTF8String);
    #endif
    
    int aslLevel;
    switch(level) {
        case RCTLogLevelTrace:
            aslLevel = ASL_LEVEL_DEBUG;
            break;
        case RCTLogLevelInfo:
            aslLevel = ASL_LEVEL_NOTICE;
            break;
        case RCTLogLevelWarning:
            aslLevel = ASL_LEVEL_WARNING;
            break;
        case RCTLogLevelError:
            aslLevel = ASL_LEVEL_ERR;
            break;
        case RCTLogLevelFatal:
            aslLevel = ASL_LEVEL_CRIT;
            break;
    }
    asl_log(NULL, NULL, aslLevel, "%s", message.UTF8String);

    
};

@end