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wanandroidgank's Introduction

WanAndroidGanK

玩Android大家都很熟悉了,是鸿洋大佬的一个开源知识网站,目前基于玩Android开源API的各种版本APP多如过江之鲫。

那么经过一段时间的潜心修炼,今天给大家带来了一个从未有过的全新版本。

设计

这次的UI整体是根据Google官方的设计,参照Material Design的风格整粗来的。

下面我们先来看看效果图

底部导航栏的展开动画

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技术

技术方面采用的是Kotlin语言实现,整体架构为MVVM。

Model

Model包含本地和网络数据仓库,本地数据使用ROOM交互,网络数据使用Retrofit配合协程调用接口

class WanHomeRepository : BaseWanRepository() {

    suspend fun getBanners(): WanResult<List<Banner>> {
        return readyCall(
            call = {
                call(WanClient.service.getBanner())
            }, errorMessage = NETWORK_ERROR
        )
    }

    suspend fun getArticlesList(page: Int): WanResult<ArticleList> {
        return readyCall(
            call = {
                call(WanClient.service.getHomeArticles(page))
            }, errorMessage = NETWORK_ERROR
        )
    }
}

ViewModel

ViewModel持有Model层,在协程的作用域内与Model进行交互

class WanHomeViewModel(
    private val wanHomeRepository: WanHomeRepository
) : ViewModel() {

    val mArticles = MutableLiveData<List<Article>>()
    val mBanners = MutableLiveData<List<Banner>>()

    fun getBanners() = viewModelScope.launch {
        val data = wanHomeRepository.getBanners()
        if (data is WanResult.Success)
            mBanners.value = data.data
    }

    fun getArticles(page: Int) = viewModelScope.launch {
        val articleList = wanHomeRepository.getArticlesList(page)
        if (articleList is WanResult.Success)
            mArticles.value = articleList.data.datas
    }
}

View

View层即为我们熟悉的Activity和Fragment,通过注入的方式持有ViewModel,调用ViewModel的方法获取数据之后再通过LiveData通知界面进行刷新。

class WanHomeFragment : BaseFragment(R.layout.fragment_wan_home) {

    private val binding by viewBinding(FragmentWanHomeBinding::bind)
    private val viewModel: WanHomeViewModel by viewModel()

	...

    override fun initData() {
        viewModel.getBanners()
        binding.refreshLayout.autoRefresh()
    }

    override fun startObserve() = viewModel.run {
        mBanners.observe(this@WanHomeFragment, Observer { setBanner(it) })
        mArticles.observe(this@WanHomeFragment, Observer { mAdapter.addAll(it) })
    }
}

更多实现请clone查看。

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wanandroidgank's Issues

导入项目不成功

Caused by: org.gradle.internal.metaobject.AbstractDynamicObject$CustomMessageMissingMethodException: Could not find method viewBinding() for arguments [build_4jd8r16loit2i5hr7zk6ln3i5$_run_closure1$_closure8@6ef29354] on object of type com.android.build.gradle.internal.dsl.BaseAppModuleExtension.
导入项目就报这个错误了,解决不掉。

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