没有任何第三方框架插入,纯 DEMO,如果需要成型的库,DataBinding 是一个不错的选择
核心原理是观察者模式
- User 类的 set 方法调用时发出通知
- 遍历 User 类属性,更新对应属性
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监听 View 修改,调用 User 类的 update 方法,更新 Model
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监听 Model 层修改,调用 IModelListener.setValueChangedListener() 方法,进行监听,在回调中,获取修改属性所对应控件 List,更新所有控件
A simple two-way data binding demo for android
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