ionic3平台android端启动页面闪屏8秒、应用启动慢的问

2017-06-18 本文已影响896人适合自己的最好

1 可能引发该问题的X因子集合
2 使用f方法针对X因子进行测试验证
- 2.1 验证cordova-plugin-splashscreen插件是否是关键因子
- 2.2 验证Cordova桥android端源码是否是关键因子
- 2.3 验证AngularJS3.2.0是否是关键影响因子
  - 2.3.1 使用ionic1中的AngularJS 1.5.3 版本进行验证
3 寻找具体原因
- 3.1 查看日志是否包含有效信息
  - 3.1.1 验证设置AngularJS为生产模式是否是关键因子
  - 3.1.2 验证 deviceready 消息超时是否是关键因子
  - 3.1.3 验证 AngularJS 4.1.2 的 platform对象是否是关键因子
4 修改问题
5 附录
- 5.1 ionic2测试日志
- 5.2 ionic3测试日志

问题描述：

使用 ionic3.4.0 创建的 ionic项目（其中Android框架6.2.3版本、AngularJS框架4.1.2版本、Cordova源码JS端6.2.3版本）

使用ionic cordova build android生成apk安装包。

运行apk安装包启动页面动画等待3秒，之后页面白屏5秒。共计启动页面需要8秒的时间。

结论：程序运行启动需要8秒，用户体验无法接受。

1、可能引发该问题的X因子集合

Cordova桥JS端源码（AngularJS 3.2.0版本）
Cordova桥android端源码
cordova-plugin-splashscreen插件源码

2、使用f方法针对X因子进行测试验证

2.1 验证cordova-plugin-splashscreen插件是否是关键因子？

验证方法：
- 使用ionic cordova plugin删除 cordova-plugin-splashscreen插件，并删除JS端相关的splashscreen的调用方法，运行应用，查看效果；
验证效果：
- 启动动画页面消失，白屏5秒进行应用；
结论：
- cordova-plugin-splashscreen对控制启动页面动画。（该3秒的时间可可以通过修改config.xml里的 SplashScreenDelay 来控制时间长短。）

2.2 验证Cordova桥android端源码是否是关键因子？

因为ionic1中没有出现此问题，对比了ionic1与ionic3项目中除了AngularJS端的代码差异。

验证方法：
- 使用beyond compare软件对比两个项目的代码文件。
验证效果：
- cordova-plugin-splashscreen、android框架包没有差异。
结论：
- 80%排除原生端代码对该问题的影响。

2.3 验证AngularJS3.2.0是否是关键影响因子？

2.3.1 使用ionic2中的AngularJS 1.5.3 版本进行验证：

验证方法：
- 互换ionic2与ionic3中platforms/android/assets/www目录；
验证效果：

组合方式	ionic版本	AngularJS版本	验证时间
正常组合	ionic2	1.5.3	3秒
	ionic3	4.1.2	8秒
测试组合	ionic2	4.1.2	8秒
	ionic3	1.5.3	3秒

结论：
- 该问题80%的可能性与AngularJS的版本更换内容有关。

3、寻找具体原因

3.1 查看日志是否包含有效信息？

查看android studio输出日志如下：

06-17 13:22:08.550 32233-32233/io.ionic.starter D/JsMessageQueue: Set native->JS mode to EvalBridgeMode
06-17 13:22:16.403 32233-32233/io.ionic.starter D/SystemWebChromeClient: file:///android_asset/www/build/main.js: Line 3303 : Angular is running in the development mode. Call enableProdMode() to enable the production mode.
06-17 13:22:16.403 32233-32233/io.ionic.starter I/chromium: [INFO:CONSOLE(3303)] "Angular is running in the development mode. Call enableProdMode() to enable the production mode.", source: file:///android_asset/www/build/main.js (3303)
06-17 13:22:16.780 32233-32233/io.ionic.starter D/SystemWebChromeClient: file:///android_asset/www/cordova.js: Line 1223 : deviceready has not fired after 5 seconds.
06-17 13:22:16.780 32233-32233/io.ionic.starter I/chromium: [INFO:CONSOLE(1223)] "deviceready has not fired after 5 seconds.", source: file:///android_asset/www/cordova.js (1223)
06-17 13:22:16.782 32233-32233/io.ionic.starter D/SystemWebChromeClient: file:///android_asset/www/build/main.js: Line 101210 : Ionic Native: deviceready did not fire within 5000ms. This can happen when plugins are in an inconsistent state. Try removing plugins from plugins/ and reinstalling them.
06-17 13:22:16.782 32233-32233/io.ionic.starter I/chromium: [INFO:CONSOLE(101210)] "Ionic Native: deviceready did not fire within 5000ms. This can happen when plugins are in an inconsistent state. Try removing plugins from plugins/ and reinstalling them.", source: file:///android_asset/www/build/main.js (101210)
06-17 13:22:16.784 32233-32233/io.ionic.starter D/SystemWebChromeClient: file:///android_asset/www/build/main.js: Line 101205 : Ionic Native: deviceready event fired after 6079 ms
06-17 13:22:16.785 32233-32233/io.ionic.starter I/chromium: [INFO:CONSOLE(101205)] "Ionic Native: deviceready event fired after 6079 ms", source: file:///android_asset/www/build/main.js (101205)
06-17 13:22:16.791 32233-32375/io.ionic.starter I/App: WARNING: Back Button Default Behavior will be overridden.  The backbutton event will be fired!
06-17 13:22:16.797 32233-32233/io.ionic.starter D/SystemWebChromeClient: file:///android_asset/www/build/main.js: Line 74558 : aaaaaa

日志关键词语：
- Angular is running in the development mode. Call enableProdMode() to enable the production mode.-->需要设置AngularJS为生产模式。
- deviceready has not fired after 5 seconds.-->cordova的deviceready消息没有被触发，5秒超时后cordova框架自动发出消息；

3.1.1 验证设置AngularJS为生产模式是否是关键因子？

验证方法：
//测试方法：在main.js添加以下代码：
import {enableProdMode} from '@angular/core';
enableProdMode();
验证效果：
- 启动应用仍然需要8秒；
结论：
- AngularJS的生产、开发模式不是关键因子。

3.1.2 验证 deviceready 消息超时是否是关键因子？

验证方法：
- 阅读 cordova桥JS端源码，如果deviceready消息超时，会打印出影响超时的模块内容，但是查看日志，并没有输出对应模块的内容。
- 使用AngularJS 1.5.3 版本测试，查看日志；（详细日志见附录5.2）
验证效果
- AngularJS 1.5.3正常，deviceready消息大约3秒左右完成。
- AngularJS 4.1.2不正常，deviceready消息总是超时（原因不明，可能是ionic-angularjs封装时导致了 onDOMContentLoaded 存在问题，测试日志见文档末尾）
结论：
- onDOMContentLoaded 消息存在问题，而AngularJS与onDOMContentLoaded消息有关的模块只有 AngularJS 封装的 platform对象；

3.1.3 验证 AngularJS 4.1.2 的 platform对象是否是关键因子？

验证方法：
- 删除 app.component.ts 文件里与platform对象相关的代码

  platform.ready().then(() => {
      // Okay, so the platform is ready and our plugins are available.
      // Here you can do any higher level native things you might need.
      statusBar.styleDefault();
      splashScreen.hide();
    });

验证效果：
- deviceready消息正常。
- 日志如下：

06-17 17:22:54.527 7893-7893/io.ionic.starter D/JsMessageQueue: Set native->JS mode to EvalBridgeMode
06-17 17:22:58.716 7893-7893/io.ionic.starter D/SystemWebChromeClient: file:///android_asset/www/build/main.js: Line 3303 : Angular is running in the development mode. Call enableProdMode() to enable the production mode.
06-17 17:22:58.716 7893-7893/io.ionic.starter I/chromium: [INFO:CONSOLE(3303)] "Angular is running in the development mode. Call enableProdMode() to enable the production mode.", source: file:///android_asset/www/build/main.js (3303)
06-17 17:22:58.734 7893-7902/io.ionic.starter W/art: Suspending all threads took: 15.411ms
06-17 17:22:58.899 7893-7893/io.ionic.starter D/SystemWebChromeClient: file:///android_asset/www/build/main.js: Line 101333 : Ionic Native: deviceready event fired after 2991 ms
06-17 17:22:58.899 7893-7893/io.ionic.starter I/chromium: [INFO:CONSOLE(101333)] "Ionic Native: deviceready event fired after 2991 ms", source: file:///android_asset/www/build/main.js (101333)
06-17 17:22:58.937 7893-8166/io.ionic.starter I/App: WARNING: Back Button Default Behavior will be overridden. The backbutton event will be fired!


* 结论
  * AngularJS 4.1.2版本对platform的封装影响了cordova桥js的加载机制。（**具体原因需要进一步研究AngularJS源码**）。

------------
# 4 修改问题

* 修改方法：
  * 由于JS的业务逻辑需要在deviceready成功之后才能调用，所以需要手动封装deviceready消息；
  * 封装代码如下：

declare const window: any;

export class MyApp {
rootPage:any = TabsPage;
constructor(platform: Platform, statusBar: StatusBar, splashScreen: SplashScreen) {
if(window.cordova) {
document.addEventListener("deviceready", function() {
// retrieve the DOM element that had the ng-app attribute
splashScreen.hide();
// 编写项目业务代码开始

    }, false);
  } else {
    console.log('web 模式');
    // 编写项目业务代码开始
  }
// platform.ready().then(() => {
//   // Okay, so the platform is ready and our plugins are available.
//   // Here you can do any higher level native things you might need.
//   statusBar.styleDefault();
//   splashScreen.hide();
// });

}
}

* 测试结果：
 * deviceready大约需要3秒准备完成。android应用启动大约1秒，所以整个应用启动到显示出来页面大约为3-4秒。

------------
# 5 附录
------------
## 5.1 ionic2测试日志

06-17 14:20:27.728 8326-8326/? I/art: Late-enabling -Xcheck:jni
06-17 14:20:27.790 8326-8326/? D/TidaProvider: TidaProvider()
06-17 14:20:27.804 8326-8326/? V/BoostFramework: mAcquireFunc method = public int com.qualcomm.qti.Performance.perfLockAcquire(int,int[])
06-17 14:20:27.805 8326-8326/? V/BoostFramework: mReleaseFunc method = public int com.qualcomm.qti.Performance.perfLockRelease()
06-17 14:20:27.805 8326-8326/? V/BoostFramework: mAcquireTouchFunc method = public int com.qualcomm.qti.Performance.perfLockAcquireTouch(android.view.MotionEvent,android.util.DisplayMetrics,int,int[])
06-17 14:20:27.805 8326-8326/? V/BoostFramework: mIOPStart method = public int com.qualcomm.qti.Performance.perfIOPrefetchStart(int,java.lang.String)
06-17 14:20:27.805 8326-8326/? V/BoostFramework: mIOPStop method = public int com.qualcomm.qti.Performance.perfIOPrefetchStop()
06-17 14:20:27.823 8326-8326/? V/BoostFramework: BoostFramework() : mPerf = com.qualcomm.qti.Performance@8e6d76d
06-17 14:20:27.938 8326-8326/io.ionic.starter W/System: ClassLoader referenced unknown path: /data/app/io.ionic.starter-1/lib/arm64
06-17 14:20:27.997 8326-8326/io.ionic.starter I/CordovaLog: Changing log level to DEBUG(3)
06-17 14:20:27.997 8326-8326/io.ionic.starter I/CordovaActivity: Apache Cordova native platform version 6.2.3 is starting
06-17 14:20:27.997 8326-8326/io.ionic.starter D/CordovaActivity: CordovaActivity.onCreate()
06-17 14:20:28.041 8326-8326/io.ionic.starter W/System: ClassLoader referenced unknown path: /system/app/WebViewGoogle/lib/arm64
06-17 14:20:28.046 8326-8326/io.ionic.starter I/WebViewFactory: Loading com.google.android.webview version 55.0.2883.91 (code 288309150)
06-17 14:20:28.091 8326-8326/io.ionic.starter I/cr_LibraryLoader: Time to load native libraries: 3 ms (timestamps 26-29)
06-17 14:20:28.092 8326-8326/io.ionic.starter I/cr_LibraryLoader: Expected native library version number "55.0.2883.91", actual native library version number "55.0.2883.91"
06-17 14:20:28.124 8326-8326/io.ionic.starter I/cr_LibraryLoader: Expected native library version number "55.0.2883.91", actual native library version number "55.0.2883.91"
06-17 14:20:28.124 8326-8326/io.ionic.starter I/chromium: [INFO:library_loader_hooks.cc(163)] Chromium logging enabled: level = 0, default verbosity = 0
06-17 14:20:28.149 8326-8326/io.ionic.starter I/cr_BrowserStartup: Initializing chromium process, singleProcess=true
06-17 14:20:28.196 8326-8326/io.ionic.starter I/Adreno: QUALCOMM build : 065a07a, I3a33bf62a4
Build Date : 12/06/16
OpenGL ES Shader Compiler Version: XE031.09.00.03
Local Branch : mybranch23838236
Remote Branch : quic/LA.BF64.1.2.3_rb1.7
Remote Branch : NONE
Reconstruct Branch : NOTHING
06-17 14:20:28.360 8326-8326/io.ionic.starter D/EgretLoader: EgretLoader(Context context)
06-17 14:20:28.362 8326-8326/io.ionic.starter D/EgretLoader: The context is not activity
06-17 14:20:28.383 8326-8326/io.ionic.starter D/SystemWebViewEngine: CordovaWebView is running on device made by: Xiaomi
06-17 14:20:28.396 8326-8326/io.ionic.starter D/PluginManager: init()
06-17 14:20:28.407 8326-8326/io.ionic.starter D/CordovaWebViewImpl: >>> loadUrl(file:///android_asset/www/index.html)
06-17 14:20:28.426 8326-8326/io.ionic.starter I/cr_Ime: ImeThread is enabled.
06-17 14:20:28.435 8326-8372/io.ionic.starter W/cr_media: Requires BLUETOOTH permission
06-17 14:20:28.448 8326-8326/io.ionic.starter D/CordovaActivity: Started the activity.
06-17 14:20:28.469 8326-8326/io.ionic.starter D/CordovaActivity: Resumed the activity.
06-17 14:20:28.510 8326-8326/io.ionic.starter D/ActivityThreadInjector: clearCachedDrawables.
06-17 14:20:28.528 8326-8399/io.ionic.starter E/libEGL: validate_display:99 error 3008 (EGL_BAD_DISPLAY)
06-17 14:20:28.571 8326-8396/io.ionic.starter I/OpenGLRenderer: Initialized EGL, version 1.4
06-17 14:20:28.571 8326-8396/io.ionic.starter D/OpenGLRenderer: Swap behavior 1
06-17 14:20:28.580 8326-8326/io.ionic.starter E/chromium: [ERROR:interface_registry.cc(104)] Failed to locate a binder for interface: autofill::mojom::PasswordManagerDriver
06-17 14:20:28.602 8326-8399/io.ionic.starter W/VideoCapabilities: Unrecognized profile 2130706433 for video/avc
06-17 14:20:28.629 8326-8399/io.ionic.starter W/VideoCapabilities: Unrecognized profile/level 0/3 for video/mpeg2
06-17 14:20:28.633 8326-8399/io.ionic.starter W/VideoCapabilities: Unrecognized profile/level 0/3 for video/mpeg2
06-17 14:20:28.640 8326-8399/io.ionic.starter W/VideoCapabilities: Unsupported mime video/x-ms-wmv
06-17 14:20:28.644 8326-8399/io.ionic.starter W/VideoCapabilities: Unsupported mime video/x-ms-wmv
06-17 14:20:28.657 8326-8326/io.ionic.starter D/CordovaWebViewImpl: onPageDidNavigate(file:///android_asset/www/index.html)
06-17 14:20:28.675 8326-8399/io.ionic.starter W/AudioCapabilities: Unsupported mime audio/dsd
06-17 14:20:28.679 8326-8399/io.ionic.starter W/AudioCapabilities: Unsupported mime audio/dts
06-17 14:20:28.686 8326-8399/io.ionic.starter W/AudioCapabilities: Unsupported mime audio/32KADPCM
06-17 14:20:28.690 8326-8399/io.ionic.starter W/AudioCapabilities: Unsupported mime audio/x-ape
06-17 14:20:28.695 8326-8399/io.ionic.starter W/VideoCapabilities: Unsupported mime video/mp4v-esdp
06-17 14:20:28.726 8326-8399/io.ionic.starter I/VideoCapabilities: Unsupported profile 4 for video/mp4v-es
06-17 14:20:28.784 8326-8326/io.ionic.starter W/cr_BindingManager: Cannot call determinedVisibility() - never saw a connection for the pid: 8326
06-17 14:20:29.656 8326-8326/io.ionic.starter D/SystemWebChromeClient: file:///android_asset/www/cordova.js: Line 1280 : DOMContentLoaded 123232
06-17 14:20:29.656 8326-8326/io.ionic.starter I/chromium: [INFO:CONSOLE(1280)] "DOMContentLoaded 123232", source: file:///android_asset/www/cordova.js (1280)
06-17 14:20:29.672 8326-8326/io.ionic.starter D/JsMessageQueue: Set native->JS mode to EvalBridgeMode
06-17 14:20:29.680 8326-8326/io.ionic.starter D/SystemWebChromeClient: file:///android_asset/www/cordova.js: Line 1338 : 数组1111132323：[

{"type":"onNativeReady","handlers":{},"state":2,"fireArgs":[],"numHandlers":0,"onHasSubscribersChange":null},
{"type":"onPluginsReady","handlers":{},"state":1,"fireArgs":null,"numHandlers":1,"onHasSubscribersChange":null}]

06-17 14:20:29.680 8326-8326/io.ionic.starter I/chromium: [INFO:CONSOLE(1338)] "数组1111132323：[
{"type":"onNativeReady","handlers":{},"state":2,"fireArgs":[],"numHandlers":0,"onHasSubscribersChange":null},
{"type":"onPluginsReady","handlers":{},"state":1,"fireArgs":null,"numHandlers":1,"onHasSubscribersChange":null}]", source: file:///android_asset/www/cordova.js (1338)

06-17 14:20:30.403 8326-8326/io.ionic.starter W/cr_BindingManager: Cannot call determinedVisibility() - never saw a connection for the pid: 8326
06-17 14:20:30.419 8326-8326/io.ionic.starter D/CordovaWebViewImpl: onPageFinished(file:///android_asset/www/index.html#/tab/dash)
06-17 14:20:30.445 8326-8326/io.ionic.starter D/SystemWebChromeClient: file:///android_asset/www/cordova.js: Line 1282 : DOMContentLoaded 222222
06-17 14:20:30.445 8326-8326/io.ionic.starter I/chromium: [INFO:CONSOLE(1282)] "DOMContentLoaded 222222", source: file:///android_asset/www/cordova.js (1282)
06-17 14:20:31.251 8326-8326/io.ionic.starter D/SystemWebChromeClient: file:///android_asset/www/cordova.js: Line 1305 : pluginloader.load
06-17 14:20:31.252 8326-8326/io.ionic.starter I/chromium: [INFO:CONSOLE(1305)] "pluginloader.load", source: file:///android_asset/www/cordova.js (1305)
06-17 14:20:31.253 8326-8326/io.ionic.starter D/SystemWebChromeClient: file:///android_asset/www/cordova.js: Line 1314 : 111111111111
06-17 14:20:31.253 8326-8326/io.ionic.starter I/chromium: [INFO:CONSOLE(1314)] "111111111111", source: file:///android_asset/www/cordova.js (1314)
06-17 14:20:31.254 8326-8326/io.ionic.starter D/SystemWebChromeClient: file:///android_asset/www/cordova.js: Line 1318 : 2222222
06-17 14:20:31.255 8326-8326/io.ionic.starter I/chromium: [INFO:CONSOLE(1318)] "2222222", source: file:///android_asset/www/cordova.js (1318)
06-17 14:20:31.256 8326-8326/io.ionic.starter D/SystemWebChromeClient: file:///android_asset/www/cordova.js: Line 1730 : channel.onCordovaReady.subscribe
06-17 14:20:31.256 8326-8326/io.ionic.starter I/chromium: [INFO:CONSOLE(1730)] "channel.onCordovaReady.subscribe", source: file:///android_asset/www/cordova.js (1730)
06-17 14:20:31.274 8326-8326/io.ionic.starter D/SystemWebChromeClient: file:///android_asset/www/cordova.js: Line 1322 : 22233333
06-17 14:20:31.274 8326-8326/io.ionic.starter I/chromium: [INFO:CONSOLE(1322)] "22233333", source: file:///android_asset/www/cordova.js (1322)
06-17 14:20:31.276 8326-8326/io.ionic.starter D/SystemWebChromeClient: file:///android_asset/www/cordova.js: Line 1324 : 数组：[

{"type":"onCordovaReady","handlers":{},"state":2,"fireArgs":[],"numHandlers":0,"onHasSubscribersChange":null},
{"type":"onDOMContentLoaded","handlers":{},"state":2,"fireArgs":[],"numHandlers":0,"onHasSubscribersChange":null},
{"type":"onCordovaInfoReady","handlers":{},"state":1,"fireArgs":null,"numHandlers":0,"onHasSubscribersChange":null}]

06-17 14:20:31.276 8326-8326/io.ionic.starter I/chromium: [INFO:CONSOLE(1324)] "数组：[

06-17 14:20:31.281 8326-8326/io.ionic.starter D/SystemWebChromeClient: file:///android_asset/www/cordova.js: Line 1330 : 44444444
06-17 14:20:31.281 8326-8326/io.ionic.starter I/chromium: [INFO:CONSOLE(1330)] "44444444", source: file:///android_asset/www/cordova.js (1330)
06-17 14:20:31.284 8326-8326/io.ionic.starter D/SystemWebChromeClient: file:///android_asset/www/cordova.js: Line 1333 : 数组1111：[

{"type":"onCordovaReady","handlers":{},"state":2,"fireArgs":[],"numHandlers":0,"onHasSubscribersChange":null},
{"type":"onDOMContentLoaded","handlers":{},"state":2,"fireArgs":[],"numHandlers":0,"onHasSubscribersChange":null},
{"type":"onCordovaInfoReady","handlers":{},"state":2,"fireArgs":[],"numHandlers":1,"onHasSubscribersChange":null}]

06-17 14:20:31.285 8326-8326/io.ionic.starter I/chromium: [INFO:CONSOLE(1333)] "数组1111：[

{"type":"onCordovaReady","handlers":{},"state":2,"fireArgs":[],"numHandlers":0,"onHasSubscribersChange":null},
{"type":"onDOMContentLoaded","handlers":{},"state":2,"fireArgs":[],"numHandlers":0,"onHasSubscribersChange":null},
{"type":"onCordovaInfoReady","handlers":{},"state":2,"fireArgs":[],"numHandlers":1,"onHasSubscribersChange":null}]", source: file:///android_asset/www/cordova.js (1333)

06-17 14:20:31.306 8326-8464/io.ionic.starter I/App: WARNING: Back Button Default Behavior will be overridden. The backbutton event will be fired!


------------
## 5.2 ionic3测试日志

06-17 14:14:25.647 2827-2827/? I/art: Late-enabling -Xcheck:jni
06-17 14:14:25.658 2827-2827/? D/TidaProvider: TidaProvider()
06-17 14:14:25.673 2827-2827/? V/BoostFramework: mAcquireFunc method = public int com.qualcomm.qti.Performance.perfLockAcquire(int,int[])
06-17 14:14:25.674 2827-2827/? V/BoostFramework: mReleaseFunc method = public int com.qualcomm.qti.Performance.perfLockRelease()
06-17 14:14:25.674 2827-2827/? V/BoostFramework: mAcquireTouchFunc method = public int com.qualcomm.qti.Performance.perfLockAcquireTouch(android.view.MotionEvent,android.util.DisplayMetrics,int,int[])
06-17 14:14:25.674 2827-2827/? V/BoostFramework: mIOPStart method = public int com.qualcomm.qti.Performance.perfIOPrefetchStart(int,java.lang.String)
06-17 14:14:25.674 2827-2827/? V/BoostFramework: mIOPStop method = public int com.qualcomm.qti.Performance.perfIOPrefetchStop()
06-17 14:14:25.685 2827-2827/? V/BoostFramework: BoostFramework() : mPerf = com.qualcomm.qti.Performance@8e6d76d
06-17 14:14:25.742 2827-2827/io.ionic.starter W/System: ClassLoader referenced unknown path: /data/app/io.ionic.starter-2/lib/arm64
06-17 14:14:25.811 2827-2827/io.ionic.starter I/CordovaLog: Changing log level to DEBUG(3)
06-17 14:14:25.811 2827-2827/io.ionic.starter I/CordovaActivity: Apache Cordova native platform version 6.2.3 is starting
06-17 14:14:25.812 2827-2827/io.ionic.starter D/CordovaActivity: CordovaActivity.onCreate()
06-17 14:14:25.838 2827-2827/io.ionic.starter W/System: ClassLoader referenced unknown path: /system/app/WebViewGoogle/lib/arm64
06-17 14:14:25.846 2827-2827/io.ionic.starter I/WebViewFactory: Loading com.google.android.webview version 55.0.2883.91 (code 288309150)
06-17 14:14:25.890 2827-2827/io.ionic.starter I/cr_LibraryLoader: Time to load native libraries: 3 ms (timestamps 7825-7828)
06-17 14:14:25.891 2827-2827/io.ionic.starter I/cr_LibraryLoader: Expected native library version number "55.0.2883.91", actual native library version number "55.0.2883.91"
06-17 14:14:25.911 2827-2827/io.ionic.starter I/cr_LibraryLoader: Expected native library version number "55.0.2883.91", actual native library version number "55.0.2883.91"
06-17 14:14:25.912 2827-2827/io.ionic.starter I/chromium: [INFO:library_loader_hooks.cc(163)] Chromium logging enabled: level = 0, default verbosity = 0
06-17 14:14:25.924 2827-2827/io.ionic.starter I/cr_BrowserStartup: Initializing chromium process, singleProcess=true
06-17 14:14:25.948 2827-2827/io.ionic.starter I/Adreno: QUALCOMM build : 065a07a, I3a33bf62a4
Build Date : 12/06/16
OpenGL ES Shader Compiler Version: XE031.09.00.03
Local Branch : mybranch23838236
Remote Branch : quic/LA.BF64.1.2.3_rb1.7
Remote Branch : NONE
Reconstruct Branch : NOTHING
06-17 14:14:26.050 2827-2827/io.ionic.starter D/EgretLoader: EgretLoader(Context context)
06-17 14:14:26.052 2827-2827/io.ionic.starter D/EgretLoader: The context is not activity
06-17 14:14:26.069 2827-2827/io.ionic.starter D/SystemWebViewEngine: CordovaWebView is running on device made by: Xiaomi
06-17 14:14:26.080 2827-2827/io.ionic.starter D/PluginManager: init()
06-17 14:14:26.090 2827-2827/io.ionic.starter D/CordovaWebViewImpl: >>> loadUrl(file:///android_asset/www/index.html)
06-17 14:14:26.097 2827-2827/io.ionic.starter I/cr_Ime: ImeThread is enabled.
06-17 14:14:26.107 2827-2872/io.ionic.starter W/cr_media: Requires BLUETOOTH permission
06-17 14:14:26.121 2827-2827/io.ionic.starter D/CordovaActivity: Started the activity.
06-17 14:14:26.127 2827-2827/io.ionic.starter D/CordovaActivity: Resumed the activity.
06-17 14:14:26.148 2827-2827/io.ionic.starter D/ActivityThreadInjector: clearCachedDrawables.
06-17 14:14:26.152 2827-2889/io.ionic.starter E/libEGL: validate_display:99 error 3008 (EGL_BAD_DISPLAY)
06-17 14:14:26.186 2827-2888/io.ionic.starter I/OpenGLRenderer: Initialized EGL, version 1.4
06-17 14:14:26.187 2827-2888/io.ionic.starter D/OpenGLRenderer: Swap behavior 1
06-17 14:14:26.195 2827-2827/io.ionic.starter E/chromium: [ERROR:interface_registry.cc(104)] Failed to locate a binder for interface: autofill::mojom::PasswordManagerDriver
06-17 14:14:26.202 2827-2889/io.ionic.starter W/VideoCapabilities: Unrecognized profile 2130706433 for video/avc
06-17 14:14:26.219 2827-2827/io.ionic.starter D/CordovaWebViewImpl: onPageDidNavigate(file:///android_asset/www/index.html)
06-17 14:14:26.230 2827-2889/io.ionic.starter W/VideoCapabilities: Unrecognized profile/level 0/3 for video/mpeg2
06-17 14:14:26.237 2827-2889/io.ionic.starter W/VideoCapabilities: Unrecognized profile/level 0/3 for video/mpeg2
06-17 14:14:26.247 2827-2889/io.ionic.starter W/VideoCapabilities: Unsupported mime video/x-ms-wmv
06-17 14:14:26.251 2827-2889/io.ionic.starter W/VideoCapabilities: Unsupported mime video/x-ms-wmv
06-17 14:14:26.265 2827-2889/io.ionic.starter W/AudioCapabilities: Unsupported mime audio/dsd
06-17 14:14:26.270 2827-2889/io.ionic.starter W/AudioCapabilities: Unsupported mime audio/dts
06-17 14:14:26.272 2827-2889/io.ionic.starter W/AudioCapabilities: Unsupported mime audio/32KADPCM
06-17 14:14:26.273 2827-2889/io.ionic.starter W/AudioCapabilities: Unsupported mime audio/x-ape
06-17 14:14:26.277 2827-2889/io.ionic.starter W/VideoCapabilities: Unsupported mime video/mp4v-esdp
06-17 14:14:26.307 2827-2889/io.ionic.starter I/VideoCapabilities: Unsupported profile 4 for video/mp4v-es
06-17 14:14:26.352 2827-2827/io.ionic.starter W/cr_BindingManager: Cannot call determinedVisibility() - never saw a connection for the pid: 2827
06-17 14:14:26.461 2827-2827/io.ionic.starter D/SystemWebChromeClient: file:///android_asset/www/cordova.js: Line 1280 : DOMContentLoaded 123232
06-17 14:14:26.461 2827-2827/io.ionic.starter I/chromium: [INFO:CONSOLE(1280)] "DOMContentLoaded 123232", source: file:///android_asset/www/cordova.js (1280)
06-17 14:14:26.481 2827-2827/io.ionic.starter D/JsMessageQueue: Set native->JS mode to EvalBridgeMode
06-17 14:14:26.491 2827-2827/io.ionic.starter D/SystemWebChromeClient: file:///android_asset/www/cordova.js: Line 1338 : 数组1111132323：[

06-17 14:14:26.491 2827-2827/io.ionic.starter I/chromium: [INFO:CONSOLE(1338)] "数组1111132323：[

source: file:///android_asset/www/cordova.js (1338)
06-17 14:14:27.256 2827-2827/io.ionic.starter D/SystemWebChromeClient: file:///android_asset/www/cordova.js: Line 1305 : pluginloader.load
06-17 14:14:27.256 2827-2827/io.ionic.starter I/chromium: [INFO:CONSOLE(1305)] "pluginloader.load", source: file:///android_asset/www/cordova.js (1305)
06-17 14:14:27.257 2827-2827/io.ionic.starter D/SystemWebChromeClient: file:///android_asset/www/cordova.js: Line 1314 : 111111111111
06-17 14:14:27.257 2827-2827/io.ionic.starter I/chromium: [INFO:CONSOLE(1314)] "111111111111", source: file:///android_asset/www/cordova.js (1314)
06-17 14:14:27.271 2827-2827/io.ionic.starter D/SystemWebChromeClient: file:///android_asset/www/cordova.js: Line 1318 : 2222222
06-17 14:14:27.271 2827-2827/io.ionic.starter I/chromium: [INFO:CONSOLE(1318)] "2222222", source: file:///android_asset/www/cordova.js (1318)
06-17 14:14:27.271 2827-2827/io.ionic.starter D/SystemWebChromeClient: file:///android_asset/www/cordova.js: Line 1730 : channel.onCordovaReady.subscribe
06-17 14:14:27.272 2827-2827/io.ionic.starter I/chromium: [INFO:CONSOLE(1730)] "channel.onCordovaReady.subscribe", source: file:///android_asset/www/cordova.js (1730)
06-17 14:14:27.296 2827-2827/io.ionic.starter D/SystemWebChromeClient: file:///android_asset/www/cordova.js: Line 1322 : 22233333
06-17 14:14:27.296 2827-2827/io.ionic.starter I/chromium: [INFO:CONSOLE(1322)] "22233333", source: file:///android_asset/www/cordova.js (1322)
06-17 14:14:27.298 2827-2827/io.ionic.starter D/SystemWebChromeClient: file:///android_asset/www/cordova.js: Line 1324 : 数组：[
{"type":"onCordovaReady","handlers":{},"state":2,"fireArgs":[],"numHandlers":0,"onHasSubscribersChange":null},
{"type":"onDOMContentLoaded","handlers":{},"state":1,"fireArgs":null,"numHandlers":0,"onHasSubscribersChange":null},
{"type":"onCordovaInfoReady","handlers":{},"state":1,"fireArgs":null,"numHandlers":0,"onHasSubscribersChange":null}]

06-17 14:14:27.298 2827-2827/io.ionic.starter I/chromium: [INFO:CONSOLE(1324)] "数组：[
{"type":"onCordovaReady","handlers":{},"state":2,"fireArgs":[],"numHandlers":0,"onHasSubscribersChange":null},
{"type":"onDOMContentLoaded","handlers":{},"state":1,"fireArgs":null,"numHandlers":0,"onHasSubscribersChange":null},
{"type":"onCordovaInfoReady","handlers":{},"state":1,"fireArgs":null,"numHandlers":0,"onHasSubscribersChange":null}]", source: file:///android_asset/www/cordova.js (1324)

06-17 14:14:34.293 2827-2827/io.ionic.starter D/SystemWebChromeClient: file:///android_asset/www/build/main.js: Line 3303 : Angular is running in the development mode. Call enableProdMode() to enable the production mode.
06-17 14:14:34.293 2827-2827/io.ionic.starter I/chromium: [INFO:CONSOLE(3303)] "Angular is running in the development mode. Call enableProdMode() to enable the production mode.", source: file:///android_asset/www/build/main.js (3303)
06-17 14:14:34.566 2827-2827/io.ionic.starter D/SystemWebChromeClient: file:///android_asset/www/cordova.js: Line 1282 : DOMContentLoaded 222222
06-17 14:14:34.567 2827-2827/io.ionic.starter I/chromium: [INFO:CONSOLE(1282)] "DOMContentLoaded 222222", source: file:///android_asset/www/cordova.js (1282)
06-17 14:14:34.567 2827-2827/io.ionic.starter D/SystemWebChromeClient: file:///android_asset/www/cordova.js: Line 1330 : 44444444
06-17 14:14:34.568 2827-2827/io.ionic.starter I/chromium: [INFO:CONSOLE(1330)] "44444444", source: file:///android_asset/www/cordova.js (1330)
06-17 14:14:34.568 2827-2827/io.ionic.starter D/SystemWebChromeClient: file:///android_asset/www/cordova.js: Line 1333 : 数组1111：[

{"type":"onCordovaReady","handlers":{},"state":2,"fireArgs":[],"numHandlers":0,"onHasSubscribersChange":null},
{"type":"onDOMContentLoaded","handlers":{},"state":2,"fireArgs":[],"numHandlers":1,"onHasSubscribersChange":null},
{"type":"onCordovaInfoReady","handlers":{},"state":2,"fireArgs":[],"numHandlers":0,"onHasSubscribersChange":null}]

06-17 14:14:34.568 2827-2827/io.ionic.starter I/chromium: [INFO:CONSOLE(1333)] "数组1111：[

{"type":"onCordovaReady","handlers":{},"state":2,"fireArgs":[],"numHandlers":0,"onHasSubscribersChange":null},
{"type":"onDOMContentLoaded","handlers":{},"state":2,"fireArgs":[],"numHandlers":1,"onHasSubscribersChange":null},
{"type":"onCordovaInfoReady","handlers":{},"state":2,"fireArgs":[],"numHandlers":0,"onHasSubscribersChange":null}]", source: file:///android_asset/www/cordova.js (1333)

06-17 14:14:34.674 2827-2827/io.ionic.starter D/SystemWebChromeClient: file:///android_asset/www/cordova.js: Line 1223 : deviceready has not fired after 5 seconds.
06-17 14:14:34.675 2827-2827/io.ionic.starter I/chromium: [INFO:CONSOLE(1223)] "deviceready has not fired after 5 seconds.", source: file:///android_asset/www/cordova.js (1223)
06-17 14:14:34.676 2827-2827/io.ionic.starter D/SystemWebChromeClient: file:///android_asset/www/build/main.js: Line 101210 : Ionic Native: deviceready did not fire within 5000ms. This can happen when plugins are in an inconsistent state. Try removing plugins from plugins/ and reinstalling them.
06-17 14:14:34.676 2827-2827/io.ionic.starter I/chromium: [INFO:CONSOLE(101210)] "Ionic Native: deviceready did not fire within 5000ms. This can happen when plugins are in an inconsistent state. Try removing plugins from plugins/ and reinstalling them.", source: file:///android_asset/www/build/main.js (101210)
06-17 14:14:34.676 2827-2827/io.ionic.starter D/SystemWebChromeClient: file:///android_asset/www/build/main.js: Line 101205 : Ionic Native: deviceready event fired after 6041 ms
06-17 14:14:34.677 2827-2827/io.ionic.starter I/chromium: [INFO:CONSOLE(101205)] "Ionic Native: deviceready event fired after 6041 ms", source: file:///android_asset/www/build/main.js (101205)
06-17 14:14:34.685 2827-2915/io.ionic.starter I/App: WARNING: Back Button Default Behavior will be overridden. The backbutton event will be fired!
06-17 14:14:34.689 2827-2827/io.ionic.starter D/SystemWebChromeClient: file:///android_asset/www/build/main.js: Line 74558 : aaaaaa
06-17 14:14:34.689 2827-2827/io.ionic.starter I/chromium: [INFO:CONSOLE(74558)] "aaaaaa", source: file:///android_asset/www/build/main.js (74558)
06-17 14:14:34.755 2827-2827/io.ionic.starter D/CordovaWebViewImpl: onPageFinished(file:///android_asset/www/index.html)

ionic3平台android端启动页面闪屏8秒、应用启动慢的问

目录

问题描述：

1、可能引发该问题的X因子集合

2、使用f方法针对X因子进行测试验证

2.1 验证cordova-plugin-splashscreen插件是否是关键因子？

2.2 验证Cordova桥android端源码是否是关键因子？

2.3 验证AngularJS3.2.0是否是关键影响因子？

2.3.1 使用ionic2中的AngularJS 1.5.3 版本进行验证：

3、寻找具体原因

3.1 查看日志是否包含有效信息？

3.1.1 验证设置AngularJS为生产模式是否是关键因子？

3.1.2 验证 deviceready 消息超时是否是关键因子？

3.1.3 验证 AngularJS 4.1.2 的 platform对象是否是关键因子？

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ionic3平台android端启动页面闪屏8秒、应用启动慢的问

目录

问题描述：

1、可能引发该问题的X因子集合

2、使用f方法针对X因子进行测试验证

2.1 验证cordova-plugin-splashscreen插件是否是关键因子？

2.2 验证Cordova桥android端源码是否是关键因子？

2.3 验证AngularJS3.2.0是否是关键影响因子？

2.3.1 使用ionic2中的AngularJS 1.5.3 版本进行验证：

3、寻找具体原因

3.1 查看日志是否包含有效信息？

3.1.1 验证 设置AngularJS为生产模式是否是关键因子？

3.1.2 验证 deviceready 消息超时是否是关键因子？

3.1.3 验证 AngularJS 4.1.2 的 platform对象是否是关键因子？

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3.1.1 验证设置AngularJS为生产模式是否是关键因子？