我有一个选择器,在其中将一个圆圈设置为state_selected = true的背景,但是我想在单击对象时更改颜色。我该怎么做?
这是我的可绘制对象的设置方式:
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<solid android:color="#D0021B"/>
<stroke android:width="2dp" android:color="#910012" />
<size
android:width="50dp"
android:height="50dp" />
<corners android:radius="50dp" />
</shape>
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:drawable="@android:color/black" android:state_selected="false" />
<item android:drawable="@drawable/nav_circle" android:state_selected="true" />
</selector>
您可以通过编程方式执行此操作:
public static void colorDrawable(View view, int color) {
Drawable wrappedDrawable = DrawableCompat.wrap(view.getBackground());
if (wrappedDrawable != null) {
DrawableCompat.setTint(wrappedDrawable.mutate(), color);
setBackgroundDrawable(view, wrappedDrawable);
}
}
@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
public static void setBackgroundDrawable(View view, Drawable drawable) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) {
view.setBackgroundDrawable(drawable);
} else {
view.setBackground(drawable);
}
}
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