1.first locate following location in your android sdk platforms folder -
yourandroidsdkrootfolderpathplatformsandroid-11data
esdrawable
(ex:D:androidplatformsandroid-11data
esdrawable)
2.find the xml file on folder named as btn_default_holo_dark.xml
and it's contain like below code:
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_window_focused="false" android:state_enabled="true"
android:drawable="@drawable/btn_default_normal_holo_dark" />
<item android:state_window_focused="false" android:state_enabled="false"
android:drawable="@drawable/btn_default_normal_disable_holo_dark" />
<item android:state_pressed="true"
android:drawable="@drawable/btn_default_pressed_holo_dark" />
<item android:state_focused="true" android:state_enabled="true"
android:drawable="@drawable/btn_default_selected_holo_dark" />
<item android:state_enabled="true"
android:drawable="@drawable/btn_default_normal_holo_dark" />
<item android:state_focused="true"
android:drawable="@drawable/btn_default_normal_disable_focused_holo_dark" />
<item
android:drawable="@drawable/btn_default_normal_disable_holo_dark" />
</selector>
3.copy xml to your project drawable folder
4.copy drawable-hdpi,drawable-ldpi,drawable-mdpi images mentioned above xml like
btn_default_normal,btn_default_normal_disable,btn_default_pressed,btn_default_selected,btn_default_normal,btn_default_normal_disable_focused,btn_default_normal_disable
5.add style to your style.xml file like below
<style name="Custombutton" parent="Widget.Button">
<item name="android:background">@android:drawable/btn_default_holo_dark</item>
<item name="android:textAppearance">?android:attr/textAppearanceMedium</item>
<item name="android:textColor">@android:color/primary_text_holo_dark</item>
<item name="android:minHeight">48dip</item>
<item name="android:minWidth">64dip</item>
</style>
6.apply your button style like below code:
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
style="@style/Custombutton"
android:layout_height="wrap_content"
android:text="Button" />
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