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| Original file line number | Diff line number | Diff line change |
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| @@ -1,92 +1,53 @@ | ||
| 我们可以通过监听缺省页显示的生命周期来获取其对应的视图对象(View), 在其回调中可以拿到缺省页的任何控件(类似于Activity的`onCreate`) | ||
| 生命周期回调中可以获取状态参数/视图对象 | ||
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| | 函数 | 描述 | | ||
| |-|-| | ||
| | onEmpty | showEmpty 时回调 | | ||
| | onError | showError 时回调 | | ||
| | onContent | showContent 时回调 | | ||
| | onLoading | showLoading 时回调 | | ||
| | onRefresh | showLoading 时回调, 一般在其中执行加载网络或异步任务的逻辑, 而不是加载视图| | ||
| | onRefresh | showLoading 时回调, 一般在其中执行加载网络异步任务| | ||
| | stateChangedHandler | 完全接管缺省页状态变更时处理 | | ||
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| 每个StateLayout实例都可以设置单独的回调监听, 同时StateConfig可以设置全局的回调监听 | ||
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| > 你对缺省页有任何自定义的需求, 点击事件? 开始播放动画? 通过参数展示不同的错误页或者空页面? 都可以在这里判断! <br> | ||
| > `show*()`函数可以通过其参数Any传递任何对象到`on*()`生命周期回调中 | ||
| ## 监听缺省页显示 | ||
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| === "示例" | ||
| ```kotlin | ||
| state.onRefresh { | ||
| // 每次showLoading都会执行该回调 | ||
| } | ||
| state.showLoading() | ||
| ``` | ||
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| === "链式调用" | ||
| ```kotlin | ||
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| state.onRefresh { | ||
| // 每次showLoading都会执行该回调 | ||
| }.showLoading() | ||
| ``` | ||
| ```kotlin | ||
| state.onRefresh { | ||
| // 执行请求 | ||
| }.showLoading() | ||
| ``` | ||
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| 监听缺省页显示 | ||
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| === "示例" | ||
| ```kotlin | ||
| state.onEmpty { | ||
| findViewById<TextView>(R.id.msg).text = "空布局信息" | ||
| } | ||
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| state.onError { | ||
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| } | ||
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| state.onLoading { | ||
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| } | ||
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| state.onRefresh { | ||
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| } | ||
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| state.onContent { | ||
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| } | ||
| ``` | ||
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| === "链式调用" | ||
| ```kotlin | ||
| state.onEmpty { | ||
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| }.onError { | ||
| ```kotlin | ||
| state.onEmpty { | ||
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| }.onLoading { | ||
| }.onError { | ||
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| }.onRefresh { | ||
| }.onLoading { | ||
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| } | ||
| ``` | ||
| }.onRefresh { | ||
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| `onRefresh`和`onLoading`触发的条件一样, 但是他们的函数参数接收者不一样, 他们所代表的的作用也不同 | ||
| } | ||
| ``` | ||
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| - onRefresh 中常见处理异步任务(例如网络请求) | ||
| - onLoading 中常见处理的是加载视图/动画 | ||
| `onRefresh`和`onLoading`触发条件相同, 但是参数不同, 他们所代表的的作用也不同 | ||
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| ## 自定义缺省页切换处理 | ||
| 1. `onRefresh` 中常见处理网络请求异步任务 | ||
| 2. `onLoading` 中常见处理的是加载视图/动画 | ||
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| 创建`StateChangedHandler`来取代默认的缺省页切换逻辑, 可以自定义缺省页显示/隐藏动画, 并且可以自定义布局参数(宽高) | ||
| ## 完全自定义 | ||
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| StateChangedHandler默认是removeView/addView, 如果你想改成visibility就可以实现接口自定义处理 | ||
| 实现`StateChangedHandler`可以实现最大程度自定义 | ||
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| 可以全部配置或者单例配置 | ||
| 甚至来取代默认的缺省页切换逻辑, 可以自定义缺省页显示/隐藏动画, 并且可以自定义布局参数(宽高) | ||
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| ```kotlin | ||
| // 单例 | ||
| state.stateChangedHandler = StateChangedHandler() | ||
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| // 全局 | ||
| StateConfig.stateChangedHandler = StateChangedHandler() | ||
| ``` | ||
| ``` | ||
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| StateChangedHandler默认是removeView/addView, 如果你想改成visibility就请自定义 |
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| 在Application中可以使用[StateConfig](https://github.com/liangjingkanji/StateLayout/blob/master/statelayout/src/main/java/com/drake/statelayout/StateConfig.kt)进行初始化配置 | ||
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| ```kotlin | ||
| StateConfig.apply { | ||
| emptyLayout = R.layout.layout_empty | ||
| errorLayout = R.layout.layout_error | ||
| loadingLayout = R.layout.layout_loading | ||
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| setRetryIds(R.id.msg) // 全局的重试Id | ||
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| onLoading { | ||
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| } | ||
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| onEmpty { | ||
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| } | ||
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| onError { | ||
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| } | ||
| } | ||
| ``` |
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