Android Animation（三）

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之前编写的一些动画，翻转，平移都是各自独立的，下面我们编写一个混合的，并且我也同时编写了利用xml和java的代码的方案。

跟之前一样，首先在res下创建一个anim文件夹，创建一个xml文件

1.animone.xml

<?xml version="1.0" encoding="utf-8"?><set xmlns:android="http://schemas.android.com/apk/res/android"    android:interpolator="@android:anim/accelerate_interpolator"    android:shareInterpolator="true">    <alpha        android:fromAlpha="1.0"        android:toAlpha="0.0"        android:startOffset="500"        android:duration="500"/>    <translate        android:fromXDelta="0%"        android:toXDelta="100%"        android:fromYDelta="0%"        android:toYDelta="100%"        android:duration="2000"/></set>

2.activity_main.xml

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:id="@+id/activity_main"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical"    tools:context="sc.animationthird.MainActivity">    <ImageView        android:id="@+id/image_view"        android:src="@mipmap/ic_launcher"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:layout_gravity="center_horizontal"/>    <Button        android:layout_marginTop="100dp"        android:id="@+id/btn_start_xml"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="启动动画xml"        android:layout_gravity="center_horizontal"/>    <Button        android:id="@+id/btn_start_java"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="启动动画java"        android:layout_gravity="center_horizontal"/></LinearLayout>

3.MainActivity.java

public class MainActivity extends AppCompatActivity {    private ImageView imageView;    private Button btnStartXml;    private Button btnStartJava;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        imageView = (ImageView) findViewById(R.id.image_view);        btnStartXml = (Button) findViewById(R.id.btn_start_xml);        btnStartJava = (Button) findViewById(R.id.btn_start_java);        btnStartXml.setOnClickListener(new XmlListener());        btnStartJava.setOnClickListener(new JavaListener());    }    class XmlListener implements View.OnClickListener{        @Override        public void onClick(View v) {            Animation animation = AnimationUtils.loadAnimation(MainActivity.this, R.anim.animone);            imageView.startAnimation(animation);        }    }    class JavaListener implements View.OnClickListener{        @Override        public void onClick(View v) {            AnimationSet animationSet = new AnimationSet(true);            ScaleAnimation scaleAnimation = new ScaleAnimation(0,0.1f,0,0.1f,Animation.RELATIVE_TO_SELF,0.5f,Animation.RELATIVE_TO_SELF,0.5f);            RotateAnimation rotateAnimation = new RotateAnimation(0,360,Animation.RELATIVE_TO_SELF,0.5f,Animation.RELATIVE_TO_SELF,0.5f);            rotateAnimation.setDuration(1000);            animationSet.addAnimation(rotateAnimation);            animationSet.addAnimation(scaleAnimation);            imageView.startAnimation(animationSet);        }    }}

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