Android 点击按压效果selector

1 enabled+pressed

1.1.1无效

<?xml version="1.0" encoding="utf-8"?>

<selector xmlns:android="http://schemas.android.com/apk/res/android">

 

<item android:drawable="@drawable/icon_fm_p_item" android:state_enabled="false"/>

<item android:drawable="@drawable/icon_fm_item" android:state_pressed="false"/>

<item android:drawable="@drawable/icon_fm_item" android:state_enabled="true"/>

<item android:drawable="@drawable/icon_fm_p_item" android:state_pressed="true"/>

 

</selector>

1.1.2 无效

<?xml version="1.0" encoding="utf-8"?>

<selector xmlns:android="http://schemas.android.com/apk/res/android">

 

<item android:drawable="@drawable/icon_fm_p_item" android:state_pressed="true"/>

<item android:drawable="@drawable/icon_fm_item" android:state_pressed="false"/>

<item android:drawable="@drawable/icon_fm_p_item" android:state_enabled="false"/>

 

</selector>

1.2.1有效

<?xml version="1.0" encoding="utf-8"?>

<selector xmlns:android="http://schemas.android.com/apk/res/android">

 

<item android:drawable="@drawable/icon_fm_p_item" android:state_enabled="false"/>

<item android:drawable="@drawable/icon_fm_item" android:state_pressed="false"/>

<item android:drawable="@drawable/icon_fm_p_item" android:state_pressed="true"/>

 

</selector>

1.2.2有效

<?xml version="1.0" encoding="utf-8"?>

<selector xmlns:android="http://schemas.android.com/apk/res/android">

 

<item android:drawable="@drawable/icon_fm_p_item" android:state_pressed="true"/>

<item android:drawable="@drawable/icon_fm_p_item" android:state_enabled="false"/>

<item android:drawable="@drawable/icon_fm_item" android:state_pressed="false"/>

 

</selector>

2.selected+pressed

2.1无效

<?xml version="1.0" encoding="utf-8"?>

<selector xmlns:android="http://schemas.android.com/apk/res/android">

<item android:state_selected="true" android:drawable="@drawable/btn_selected_red"></item>

<item android:state_selected="false" android:drawable="@drawable/bg_item"></item>

<item android:state_pressed="true" android:drawable="@drawable/btn_selected_red"></item>

<item android:state_pressed="false" android:drawable="@drawable/bg_item"></item>

</selector>

2.2有效

<?xml version="1.0" encoding="utf-8"?>

<selector xmlns:android="http://schemas.android.com/apk/res/android">

<item android:state_selected="true" android:drawable="@drawable/btn_selected_red"></item>

<item android:state_pressed="true" android:drawable="@drawable/btn_selected_red"></item>

<item android:state_pressed="false" android:drawable="@drawable/bg_item"></item>

</selector>

3.2019年12月13日11:27:41 现在回过头来看，按状态优先，哪个状态在前并被触发即优先展示效果，当时感觉很奇怪