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    chenguihua1005

    @chenguihua1005

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    Latest posts made by chenguihua1005

    • RE: react-native-viewpager 如何加载网络图片(非本图片)

      @lllZLXlll dataSource: dataSource.cloneWithPages(BANNER_IMGS),这里的BANNER_IMGS如果push image的话,是会报错的,只能require('../resource/XXX.jpg')这种形式

      posted in 求助专区
      C
      chenguihua1005
    • react-native-viewpager 如何加载网络图片(非本图片)

      const BANNER_IMGS = [
      require('../resource/1.jpg'),
      require('../resource/2.jpg'),
      require('../resource/3.jpg'),
      require('../resource/4.jpg'),
      require('../resource/5.jpg')
      ];

      dataSource: dataSource.cloneWithPages(BANNER_IMGS);

      现在的问题是:需要加载网络图片,而不是本地图片,想用require去请求url的image均告失败,大家有没有遇到过这个问题?

      posted in 求助专区
      C
      chenguihua1005
    • RE: iOS真机上运行特别慢,导致奔溃闪退,分析日志中...

      问题找到了,是真机测试的时候,需要将bundle打包导入。

      posted in 求助专区
      C
      chenguihua1005
    • iOS真机上运行特别慢,导致奔溃闪退,分析日志中...

      React Native开发的App,在iOS上运行后,程序长时间停留在白屏页面,基本处于卡死状态。

      抓取的iOS奔溃日志为:
      Exception Type: EXC_CRASH (SIGKILL)
      Exception Codes: 0x0000000000000000, 0x0000000000000000
      Exception Note: EXC_CORPSE_NOTIFY
      Termination Reason: Namespace SPRINGBOARD, Code 0x8badf00d
      Triggered by Thread: 0

      Filtered syslog:
      None found

      Thread 0 name: Dispatch queue: com.apple.main-thread
      Thread 0 Crashed:
      0 libsystem_kernel.dylib 0x0000000188e8f260 semaphore_wait_trap + 8
      1 libdispatch.dylib 0x0000000188d7d5e8 _os_semaphore_wait + 24
      2 libdispatch.dylib 0x0000000188d7cca0 _dispatch_semaphore_wait_slow + 140
      3 CFNetwork 0x000000018a56fcec CFURLConnectionSendSynchronousRequest + 284
      4 CFNetwork 0x000000018a59c2a4 +[NSURLConnection sendSynchronousRequest:returningResponse:error:] + 120
      5 LeyaoMusic 0x00000001001a1c64 -[RCTBundleURLProvider isPackagerRunning:] (RCTBundleURLProvider.m:76)
      6 LeyaoMusic 0x00000001001a1f14 -[RCTBundleURLProvider guessPackagerHost] (RCTBundleURLProvider.m:92)
      7 LeyaoMusic 0x00000001001a2124 -[RCTBundleURLProvider packagerServerHost] (RCTBundleURLProvider.m:106)
      8 LeyaoMusic 0x00000001001a22e8 -[RCTBundleURLProvider jsBundleURLForBundleRoot:fallbackResource:] (RCTBundleURLProvider.m:123)
      9 LeyaoMusic 0x00000001000e05ec -[AppDelegate application:didFinishLaunchingWithOptions:] (AppDelegate.m:22)

      进一步定位,发现:
      #if RCT_DEV

      • (BOOL)isPackagerRunning:(NSString *)host
        {
        NSURL *url = [serverRootWithHost(host) URLByAppendingPathComponent:@"status"];
        NSURLRequest *request = [NSURLRequest requestWithURL:url];
        NSURLResponse *response;
        NSData *data = [NSURLConnection sendSynchronousRequest:request returningResponse:&response error:NULL];
        NSString *status = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
        return [status isEqualToString:@"packager-status:running"];
        }

      问题出在 NSData *data = [NSURLConnection sendSynchronousRequest:request returningResponse:&response error:NULL];这句话上,发送同步请求,在主线程执行,由于长时间没有得到响应,导致触发系统的看门狗,而被系统强制关闭。

      我在模拟器上运行都是正常的,在真机上才会出现闪退的问题,但是这好像也是react native帮我们生成好的加载框架,不知道应该怎么修改或者优化~~~各位道友有遇到过类似的问题吗?

      posted in 求助专区
      C
      chenguihua1005