TextInputEditText 判断焦点

要判断TextInputEditText是否获得焦点，可以使用setOnFocusChangeListener方法来监听焦点变化。首先，通过调用getCurrentFocus()方法获取当前拥有焦点的view。然后，使用instanceof运算符判断该view是否为TextInputEditText。如果是，就表示TextInputEditText获得了焦点；否则，表示它没有获得焦点。可以根据焦点状态执行相应的操作。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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