18 Ui美化 剪切动画clip

<?xml version="1.0" encoding="utf-8"?>
<clip xmlns:android="http://schemas.android.com/apk/res/android"
android:clipOrientation="horizontal"
android:drawable="@drawable/android1"
android:gravity="left" >
<!--
android:clipOrientation="horizontal"剪切方向
android:drawable="@drawable/android1"设置图片源
android:gravity="left"剪切从哪里开始
-->
</clip>

package com.fmy.lianxi;

import android.R.transition;
import android.app.Activity;
import android.graphics.drawable.ClipDrawable;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.TransitionDrawable;
import android.os.Bundle;
import android.view.View;
import android.widget.ImageView;
import android.widget.Toast;

public class MainActivity extends Activity {

private ImageView iv;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
iv = (ImageView) findViewById(R.id.iv);

}

public void click(View v) {
ClipDrawable drawable = (ClipDrawable) iv.getDrawable();
//      level 0 - 10000 之间  大于等于10000显示完全 小于等于0完全不显示
int level = drawable.getLevel();
drawable.setLevel(level+10000);
}

}

<LinearLayout 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:orientation="vertical" >

<ImageView
android:id="@+id/iv"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/myclip" />
</LinearLayout>