weex在安卓中集成時(shí),出現(xiàn):WXEnvironment.sApplication is null

出現(xiàn)這個(gè)問(wèn)題,哪位麻煩看一下是什么原因, 謝謝!

gradle中配置

apply plugin: 'com.android.application'

android {
    compileSdkVersion 26
    defaultConfig {
        applicationId "com.example.sunhk.android_demo"
        minSdkVersion 14
        targetSdkVersion 26
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation 'com.android.support:appcompat-v7:26.1.0'
    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'com.android.support.test:runner:1.0.1'
    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'

    implementation 'com.taobao.android:weex_sdk:0.18.0'
    implementation 'com.alibaba:fastjson:1.1.46.android'
    implementation 'com.android.support:gridlayout-v7:26.1.0'
    implementation 'com.android.support:recyclerview-v7:26.1.0'
    implementation 'com.android.support:support-v4:26.1.0'
}

Application中的代碼

public class WeexApplication extends Application {
    @Override
    public void onCreate() {
        super.onCreate();
        Log.e("WeexApplication", "初始化WeexApplication");
        WXSDKEngine.initialize(this, new InitConfig.Builder().build());
    }
}

打印的錯(cuò)誤棧:

04-03 18:44:19.816 27157-27157/? E/WXSDKEngine: WXEnvironment.sApplication is null
......
04-03 18:44:19.978 27157-27182/? D/SimpleComponentHolder: Generate Component:WXLoading
04-03 18:44:19.982 27157-27182/? D/SimpleComponentHolder: Generate Component:WXLoadingIndicator
04-03 18:44:19.985 27157-27182/? D/SimpleComponentHolder: Generate Component:WXHeader
04-03 18:44:19.988 27157-27182/? D/TypeModuleFactory: extractMethodNames:WXModalUIModule
04-03 18:44:19.990 27157-27182/? D/weex: [WXinvokeRegisterModulesBridgeManager] invokeRegisterModules: framework.js uninitialized.