Android(安卓)Button Highlight

In android, we can highlight the button through custom images. Here is a example that will give you about how to set a image when the button is focused, pressed and focused pressed. we can set each image for each stage.
Example for Android Button Highlight :-

`01`	`<?xmlversion="1.0"encoding="utf-8"?>`

`02`	`<LinearLayoutandroid:id="@+id/LinearLayout01"`

`03`	`android:layout_width="fill_parent"`

`04`	`android:layout_height="fill_parent"`

`05`	`xmlns:android="http://schemas.android.com/apk/res/android">`

`06`	`// Adding Button to Layout`

`07`	`<Buttonandroid:id="@+id/Button01"`

`08`	`android:background="@drawable/buttonhighlight"`

`09`	`android:layout_height="60px"`

`10`	`android:layout_width="100px"></Button>`

`11`	`</LinearLayout>`

Here “@drawable/buttonhighlight” is a XML file located in res/drawable folder. (see below image blue color highlighted)

Create a XML file in res/drawable folder (ex:- buttonhighlight.xml) and write the code as

`01`	`<?xmlversion="1.0"encoding="utf-8"?>`

`02`	`<selectorxmlns:android="http://schemas.android.com/apk/res/android">`

`03`	`// Button Focused`

`04`	`<itemandroid:state_focused="true"`

`05`	`android:state_pressed="false"`

`06`	`android:drawable="@drawable/buttonhighlightfocused"/>`

`07`	`// Button Focused Pressed`

`08`	`<itemandroid:state_focused="true"`

`09`	`android:state_pressed="true"`

`10`	`android:drawable="@drawable/buttonhighlightpressed"/>`

`11`	`// Button Pressed`

`12`	`<itemandroid:state_focused="false"`

`13`	`android:state_pressed="true"`

`14`	`android:drawable="@drawable/buttonhighlightpressed"/>`

`15`	`// Button Default Image`

`16`	`<itemandroid:drawable="@drawable/buttonhighlightdefault"/>`

`17`	`</selector>`

The outputwill looks like

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