android shape 进度条,android-shapeLoadingView

布局上

xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"

android:layout_height="match_parent"         android:paddingLeft="@dimen/activity_horizontal_margin"

android:paddingRight="@dimen/activity_horizontal_margin"

android:paddingTop="@dimen/activity_vertical_margin"

android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity">

android:id="@+id/loadView"

android:layout_width="fill_parent"

android:layout_height="fill_parent"/>

动画自动加载