请问,如何以编程方式设置imageview的百分比余量.
<android.support.percent.PercentRelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<ImageView
android:id="@+id/rating_thumb"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/thumb" />
</android.support.percent.PercentRelativeLayout>
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