Android 自定义加载view（菊花效果）

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/loding_bg_gray"
android:orientation="vertical"
android:paddingBottom="20dp"
android:paddingLeft="40dp"
android:gravity="center"
android:paddingRight="40dp">

<ProgressBar
android:id="@+id/progress_bar"
android:layout_width="30dp"
android:layout_height="30dp"
android:layout_marginTop="20dp"
android:indeterminateBehavior="repeat"
android:indeterminateDrawable="@anim/base_loading_large_anim"/>

<TextView
android:id="@+id/tost_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="16dp"
android:gravity="center"
android:text="titile"
android:textColor="#ffffffff"
android:textSize="15sp"/>

</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<rotate xmlns:android="http://schemas.android.com/apk/res/android"
android:drawable="@drawable/loading"
android:fromDegrees="0"
android:pivotX="50%"
android:pivotY="50%"
android:toDegrees="360">

</rotate>