我的主导航菜单有四个按钮,所有这四个按钮都包含一个图像。我创建了以下 xml 文件来处理点击事件动画:
配置文件.xml
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_focused="true" android:state_pressed="false" android:drawable="@drawable/profileicon" />
<item android:state_focused="true" android:state_pressed="true" android:drawable="@drawable/gradient" />
<item android:state_focused="false" android:state_pressed="true" android:drawable="@drawable/gradient" />
<item android:drawable="@drawable/profileicon" />
以及下面的xml文件来设置效果:
渐变.xml
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
<item>
<bitmap android:src="@drawable/profileicon" />
</item>
<item>
<shape xmlns:android="http://schemas.android.com/apk/res/android" >
<gradient
android:angle="90"
android:centerColor="#880d0d0f"
android:endColor="#885d5d5e"
android:startColor="#880f0f10" />
</shape>
</item>
</layer-list>
有什么办法可以避免创建新文件 pr. 我有按钮吗?
这就是我的 main_layout 的样子:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/background"
tools:context=".Main" >
<Button
android:id="@+id/btn_yourPreferences"
android:layout_width="256dp"
android:layout_height="256dp"
android:layout_alignBottom="@+id/btn_signUp"
android:layout_alignParentRight="true"
android:layout_marginBottom="26dp"
android:layout_marginRight="275dp"
android:background="@drawable/profile"
android:onClick="onClickViewPreferences" />
<Button
android:id="@+id/btn_yourCompetitions"
android:layout_width="256dp"
android:layout_height="256dp"
android:layout_above="@+id/btn_yourPreferences"
android:layout_marginBottom="54dp"
android:layout_marginRight="230dp"
android:layout_toLeftOf="@+id/btn_yourPreferences"
android:background="@drawable/signedicon" />
<Button
android:id="@+id/btn_signUp"
android:layout_width="256dp"
android:layout_height="256dp"
android:layout_alignLeft="@+id/btn_yourCompetitions"
android:layout_alignParentBottom="true"
android:layout_marginBottom="36dp"
android:background="@drawable/yourcompeteicon" />
<Button
android:id="@+id/btn_listCompetitions"
android:layout_width="256dp"
android:layout_height="256dp"
android:layout_alignBaseline="@+id/btn_yourCompetitions"
android:layout_alignBottom="@+id/btn_yourCompetitions"
android:layout_alignLeft="@+id/btn_yourPreferences"
android:background="@drawable/listicon"
android:onClick="onClickViewSearch"
/>
</RelativeLayout>