Android - 視圖點擊效果

標籤：mystra   android   視圖點擊效果   

視圖點擊修改背景.
按壓時更換背景, 抬起時恢複背景, 依賴state_pressed.
登陸成功後禁止點擊, 並更換背景, 依賴state_enabled.

<?xml version="1.0" encoding="utf-8"?><selector xmlns:android="http://schemas.android.com/apk/res/android">    <item android:drawable="@android:color/transparent"          android:state_pressed="true"/>    <item android:drawable="@android:color/transparent"          android:state_enabled="false"/>    <item android:drawable="@color/white"/></selector>

系統預設點擊的閃爍效果, 版本5.0以上支援.
android:background="?android:attr/selectableItemBackground"

Code

<selector xmlns:android="http://schemas.android.com/apk/res/android"          android:exitFadeDuration="@android:integer/config_mediumAnimTime">    <item android:drawable="@color/transparent"          android:state_window_focused="false"/>    <!-- Even though these two point to the same resource, have two states so the drawable will invalidate itself when coming out of pressed state. -->    <item android:drawable="@drawable/list_selector_background_disabled"           android:state_enabled="false"           android:state_focused="true"           android:state_pressed="true"/>    <item android:drawable="@drawable/list_selector_background_disabled"           android:state_enabled="false"           android:state_focused="true"/>    <item android:drawable="@drawable/list_selector_background_transition"           android:state_focused="true"           android:state_pressed="true"/>    <item android:drawable="@drawable/list_selector_background_transition"           android:state_focused="false"           android:state_pressed="true"/>    <item android:drawable="@drawable/list_selector_background_focused"           android:state_focused="true"/>    <item android:drawable="@color/transparent"/></selector>

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Android - 視圖點擊效果