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news 2026/4/7 21:30:17

企业网站备案条件,抖音视频排名优化,国开网站怎么做,家庭服务网站的营销策略两个前提条件： 从flutter v1.17版本开始，flutter module仅支持AndroidX的应用在release模式下flutter仅支持一下架构：x84_64、armeabi-v7a、arm6f4-v8a,不支持mips和x86;所以引入flutter前需要在app/build.gradle下配置flutter支持的架构 a…

两个前提条件：

从flutter v1.17版本开始，flutter module仅支持AndroidX的应用
在release模式下flutter仅支持一下架构：x84_64、armeabi-v7a、arm6f4-v8a,不支持mips和x86;所以引入flutter前需要在app/build.gradle下配置flutter支持的架构

android {defaultConfig {ndk {// armeabi：已经淘汰（0%）// armeabi-v7a：曾经主流的架构平台（20%）// arm64-v8a：目前主流架构平台（80%）abiFilters "armeabi-v7a", "arm64-v8a"}}
}

1、源代码集成

将flutter集成到现有的Android应用中主要步骤如下：

创建flutter module
为已存在的Android应用添加flutter module依赖(setting.gradle中加入代码)
在需要的module引入
添加Java 8编译选项
在kotlin中调用flutter module
编写dart代码

创建flutter module

//--org后面为域名 flutter_module为module名称

flutter create -t module --org com.example.module flutter_module

生成module的目录结构：

为已存在的Android应用添加flutter module依赖：

打开Android项目的setting.gradle添加如下代码：

setBinding(new Binding([gradle: this]))
evaluate(new File(settingsDir.parentFile,'flutter_module/.android/include_flutter.groovy'
))//可选，作用：可以在当前AS的project下显示flutter_module以方便查看和编写Dart代码
include ':flutter_module'
project(':flutter_module').projectDir = new File('../flutter_module')

在需要的module引入

//asproj/app/build.gradle
implementation project(':flutter')

添加Java 8编译选项

因为flutter的Android engine是用来Java8的特性，所以在引入flutter时需要配置你的项目都Java8编译选项（app/build.gradle）

android {compileOptions {sourceCompatibility = 1.8targetCompatibility = 1.8}
}

在kotlin中调用flutter module，抽取一个基类HiFlutterFragment如下代码：

package org.devio.`as`.proj.common.flutterimport android.content.Context
import android.os.Bundle
import android.view.View
import android.view.ViewGroup
import io.flutter.embedding.android.FlutterTextureView
import io.flutter.embedding.android.FlutterView
import io.flutter.embedding.engine.FlutterEngine
import io.flutter.embedding.engine.dart.DartExecutor
import kotlinx.android.synthetic.main.fragment_flutter.title
import org.devio.`as`.proj.common.R
import org.devio.`as`.proj.common.ui.component.HiBaseFragmentabstract class HiFlutterFragment : HiBaseFragment() {private lateinit var flutterEngine: FlutterEngineprotected var flutterView: FlutterView? = nulloverride fun onAttach(context: Context) {super.onAttach(context)flutterEngine = FlutterEngine(context)flutterEngine.dartExecutor.executeDartEntrypoint(DartExecutor.DartEntrypoint.createDefault())}override fun getLayoutId(): Int {return R.layout.fragment_flutter}fun setTitle(titleStr: String) {title.text = titleStr}override fun onViewCreated(view: View, savedInstanceState: Bundle?) {super.onViewCreated(view, savedInstanceState)(layoutView as ViewGroup).addView(createFlutterView(activity!!))}override fun onStart() {flutterView!!.attachToFlutterEngine(flutterEngine!!)super.onStart()}override fun onResume() {super.onResume()//for flutter >= v1.17flutterEngine.lifecycleChannel.appIsResumed()}override fun onPause() {super.onPause()flutterEngine.lifecycleChannel.appIsInactive()}override fun onStop() {super.onStop()flutterEngine.lifecycleChannel.appIsPaused()}override fun onDetach() {super.onDetach()flutterEngine.lifecycleChannel.appIsDetached()}private fun createFlutterView(context: Context): FlutterView {//使用FlutterTextureView来进行渲染，以规避fluttersurfaceview压后台回来后界面被复用的问题val flutterTextureView = FlutterTextureView(activity!!)flutterView = FlutterView(context, flutterTextureView)return flutterView!!}}