Android集成weex汇总

weex指北针
https://weex.apache.org/zh/guide/develop/integrate-to-android-app.html

集成环境

IDE Android studio v3.1.2
JDK jdk1.8

根据文档说明，我一路next走下来，发现并不能正常跑起来，经baidu，google，github后，整理出一套完整的集成步骤；

首先说一下文档上的内容

1、app module下添加依赖（我的targetSdkVersion 28 ）

implementation 'org.apache.weex:sdk:0.28.0'
    // fastjson
implementation 'com.alibaba:fastjson:1.1.46.android'

    //support library dependencies
 implementation 'com.android.support:recyclerview-v7:27.1.1'
 implementation 'com.android.support:support-v4:27.1.1'
 implementation 'com.android.support:appcompat-v7:28+'

2、app androidManifast 添加权限

//网络

//sd卡读写

此时先省略混淆方案

3、初始化SDK

InitConfig config = new InitConfig.Builder().build();
WXSDKEngine.initialize(applicationContext,config);

4、初始化WXSDKInstance 的 MainActivity代码

public class MainActivity extends AppCompatActivity implements IWXRenderListener {
WXSDKInstance mWXSDKInstance;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mWXSDKInstance = new WXSDKInstance(this);
mWXSDKInstance.registerRenderListener(this);
/**
* bundleUrl source http://dotwe.org/vue/38e202c16bdfefbdb88a8754f975454c
*/
String pageName = "WXSample";
String bundleUrl = "http://dotwe.org/raw/dist/38e202c16bdfefbdb88a8754f975454c.bundle.wx";
mWXSDKInstance.renderByUrl(pageName, bundleUrl, null, null,WXRenderStrategy.APPEND_ASYNC);
}
@Override
public void onViewCreated(WXSDKInstance instance, View view) {
setContentView(view);
}
@Override
public void onRenderSuccess(WXSDKInstance instance, int width, int height) {
}
@Override
public void onRefreshSuccess(WXSDKInstance instance, int width, int height) {
}
@Override
public void onException(WXSDKInstance instance, String errCode, String msg) {
}
@Override
protected void onResume() {
super.onResume();
if(mWXSDKInstance!=null){
mWXSDKInstance.onActivityResume();
}
}
@Override
protected void onPause() {
super.onPause();
if(mWXSDKInstance!=null){
mWXSDKInstance.onActivityPause();
}
}
@Override
protected void onStop() {
super.onStop();
if(mWXSDKInstance!=null){
mWXSDKInstance.onActivityStop();
}
}
@Override
protected void onDestroy() {
super.onDestroy();
if(mWXSDKInstance!=null){
mWXSDKInstance.onActivityDestroy();
}
}
}

WXSDKInstance是weex渲染页面的基本单元，此时注册了渲染监听，添加了视图.

到此时按照文档说明，应该是可以运行了，运行结果是 Hello World

run app.....
但是运行的结果是一片空白

IWXRenderListener的方法 onException执行结果打印如下：

-1001//degradeToH5|createInstance fail|wx_create_instance_error isJSFrameworkInit==false reInitCount == 1

可以看出创建weex实例失败

此时我是一脸懵牛逼，作为官方文档，居然跑不通，简直匪夷所思。

5、查看一下源码：
WEEXSDK 初始化的方法

WXSDKEngine.initialize(MyWeex.this,config);

/**

@param application
@param config initial configurations or null
*/
public static void initialize(Application application,InitConfig config){
synchronized (mLock) {
if (mIsInit) {
return;
}
long start = System.currentTimeMillis();
WXEnvironment.sSDKInitStart = start;
if(WXEnvironment.isApkDebugable(application)){
WXEnvironment.sLogLevel = LogLevel.DEBUG;
}else{
WXEnvironment.sLogLevel = LogLevel.WARN;
}
doInitInternal(application,config);
registerApplicationOptions(application);
WXEnvironment.sSDKInitInvokeTime = System.currentTimeMillis()-start;
WXLogUtils.renderPerformanceLog("SDKInitInvokeTime", WXEnvironment.sSDKInitInvokeTime);
mIsInit = true;
}
}

private static void doInitInternal(final Application application,final InitConfig config){
WXEnvironment.sApplication = application;
if(application == null){
WXLogUtils.e(TAG, " doInitInternal application is null");
WXExceptionUtils.commitCriticalExceptionRT(null,
WXErrorCode.WX_KEY_EXCEPTION_SDK_INIT,
"doInitInternal",
WXErrorCode.WX_KEY_EXCEPTION_SDK_INIT.getErrorMsg() + "WXEnvironment sApplication is null",
null);
}
WXEnvironment.JsFrameworkInit = false;

WXBridgeManager.getInstance().postWithName(new Runnable() {
  @Override
  public void run() {
    long start = System.currentTimeMillis();
    WXSDKManager sm = WXSDKManager.getInstance();
    sm.onSDKEngineInitialize();
    if(config != null ) {
      sm.setInitConfig(config);
    }
    WXSoInstallMgrSdk.init(application,
            sm.getIWXSoLoaderAdapter(),
            sm.getWXStatisticsListener());
    final IWXUserTrackAdapter userTrackAdapter= config!=null?config.getUtAdapter():null;
    final int version = 1;
    mIsSoInit = WXSoInstallMgrSdk.initSo(V8_SO_NAME, version, userTrackAdapter);
    WXSoInstallMgrSdk.copyJssRuntimeSo();
    if(config!=null) {
      for (String libraryName : config.getNativeLibraryList()) {
        WXSoInstallMgrSdk.initSo(libraryName, version, userTrackAdapter);
      }
    }
    if (!mIsSoInit) {
      WXExceptionUtils.commitCriticalExceptionRT(null,
              WXErrorCode.WX_KEY_EXCEPTION_SDK_INIT,
              "doInitInternal",
              WXErrorCode.WX_KEY_EXCEPTION_SDK_INIT.getErrorMsg() + "isSoInit false",
              null);
      return;
    }
    sm.initScriptsFramework(config!=null?config.getFramework():null);

    WXEnvironment.sSDKInitExecuteTime = System.currentTimeMillis() - start;
    WXLogUtils.renderPerformanceLog("SDKInitExecuteTime", WXEnvironment.sSDKInitExecuteTime);
  }
},null,"doInitWeexSdkInternal");
WXStateRecord.getInstance().startJSThreadWatchDog();
register();

}

看到这里可以看出，初始化时异步的。还有一种说法，是ndk架构问题，而文档第一行提示：

weex 支持
x86
armeabi-v7a
arm64-v8a

但是翻遍了文档，我也没发现在哪里下载so文件。根据这个哥们的指引，才发现是weex依赖版本问题，

由于weex 0.28.0的调整，以前版本自动引入的facebook提供的JS引擎js-android,现在被修改为需要手工引入，但是文档没有清晰的指出这个问题，导致运行的时候，会由于找不到libjsc.so而导致WXSDKEngine初始化失败。

https://www.mobibrw.com/2019/21684/comment-page-1

6、添加libjsc.so文件

app module build.gradle 中添加依赖

apply from: 'https://www.mobibrw.com/wp-content/uploads/2019/11/download_jsc.gradle'

同时配置ndk架构

ndk{
abiFilters "armeabi-v7a", "arm64-v8a", "x86"
}

build project后

还要补充一下WXSDKEngine属性和调试模式

7、创建application 并初始化代码
初始化源码，更多的配置
https://github.com/apache/incubator-weex-playground/blob/master/android/playground/src/main/java/org/apache/weex/WXApplication.java?spm=a2c7j.-zh-guide-develop-integrate-to-android-app.0.0.5a8441e9yort4j&file=WXApplication.java

public class MyWeex extends Application {
@Override
public void onCreate() {
super.onCreate();
InitConfig config = new InitConfig.Builder()
.setHttpAdapter(new DefaultWXHttpAdapter()).build();
WXSDKEngine.initialize(MyWeex.this,config);
WXBridgeManager.updateGlobalConfig("wson_on");
WXEnvironment.setOpenDebugLog(true);
WXEnvironment.setApkDebugable(true);
WXSDKEngine.addCustomOptions("appName", "WXSample");
WXSDKEngine.addCustomOptions("appGroup", "WXApp");

}

完整的代码如下：

app build.gradle文件

apply plugin: 'com.android.application'
apply from: 'https://www.mobibrw.com/wp-content/uploads/2019/11/download_jsc.gradle'
android {
compileSdkVersion 28
defaultConfig {
applicationId "com.nade.weex"
minSdkVersion 19
targetSdkVersion 28
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
ndk{
abiFilters "armeabi-v7a", "arm64-v8a", "x86"
}
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}

dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation 'com.android.support.constraint:constraint-layout:1.1.3'
testImplementation 'junit:junit:4.12'
androidTestImplementation 'com.android.support.test:runner:1.0.2'
androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'

implementation 'org.apache.weex:sdk:0.28.0'
// fastjson
implementation 'com.alibaba:fastjson:1.1.46.android'

//support library dependencies
implementation 'com.android.support:recyclerview-v7:27.1.1'
implementation 'com.android.support:support-v4:27.1.1'
implementation 'com.android.support:appcompat-v7:28+'

}

MyWeex Application

}

MainActivity

public class MainActivity extends AppCompatActivity implements IWXRenderListener {

 private WXSDKInstance wxsdkInstance;
 private Handler handler = new Handler(){
     @Override
     public void handleMessage(Message msg) {
         super.handleMessage(msg);
         /**
          * 轮询访问 WXSDKEngine 初始化状态 防止异步造成的初始化失败问题
          */
         if (msg.what == 1) {
             if (WXSDKEngine.isInitialized()) {
                 startRender();
             }else {
                 handler.sendEmptyMessageDelayed(1,300);
             }
         }
     }
 };
 @Override
 protected void onCreate(Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);


     wxsdkInstance = new WXSDKInstance(this);
     wxsdkInstance.registerRenderListener(this);
     if (WXSDKEngine.isInitialized()) {
         startRender();
     }else {
         handler.sendEmptyMessageDelayed(1,300);
     }

 }

 /**
  * WXSDKEngine 初始化成功后 开始渲染
  */
 private void startRender() {
     String pageName = "WXSample";
     /**
      * 防止空指针
      */
     if (wxsdkInstance == null) {
         wxsdkInstance = new WXSDKInstance(this);
         wxsdkInstance.registerRenderListener(this);
     }

     /**
      * 渲染远程js
      */
     String bundleUrl = "http://dotwe.org/raw/dist/38e202c16bdfefbdb88a8754f975454c.bundle.wx";
     wxsdkInstance.renderByUrl(pageName, bundleUrl, null, null, WXRenderStrategy.APPEND_ASYNC);

     /**
      * 渲染本地js
      */
  //   String bundleUrl = "index.js";
  //   wxsdkInstance.render(pageName, WXFileUtils.loadAsset(bundleUrl,this), null, null, WXRenderStrategy.APPEND_ASYNC);
 }

 /**
  * 重写生命周期方法
  */
 @Override
 protected void onResume() {
     super.onResume();
     if (wxsdkInstance != null) {
         wxsdkInstance.onActivityResume();
     }
 }

 @Override
 protected void onPause() {
     super.onPause();
     if (wxsdkInstance != null) {
         wxsdkInstance.onActivityPause();
     }
 }

 @Override
 protected void onStop() {
     super.onStop();
     if (wxsdkInstance != null) {
         wxsdkInstance.onActivityStop();
     }
 }

 @Override
 protected void onDestroy() {
     super.onDestroy();
     if (wxsdkInstance != null) {
         wxsdkInstance.onActivityDestroy();
     }
 }

 @Override
 public void onViewCreated(WXSDKInstance instance, View view) {
     /**
      * 填充视图
      */
     setContentView(view);
 }

 @Override
 public void onRenderSuccess(WXSDKInstance instance, int width, int height) {

 }

 @Override
 public void onRefreshSuccess(WXSDKInstance instance, int width, int height) {

 }

 @Override
 public void onException(WXSDKInstance instance, String errCode, String msg) {
     Log.d("welog", "onException: "+errCode+"//"+msg);
 }

}

此时，就可以进行Run app 了当然运行结果是hello world，欢迎讨论指正。

Android集成weex汇总

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