Tween 补间动画

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在res/anim中

alpha_anim.xml

<set xmlns:android="http://schemas.android.com/apk/res/android">    <alpha android:fromAlpha="1.0"           android:toAlpha="0.0"           android:duration="3000"/></set>

rotate_anim.xml

<set xmlns:android="http://schemas.android.com/apk/res/android">    <rotate android:duration="3000" android:fromDegrees="0" android:pivotX="50%"            android:pivotY="50%" android:toDegrees="+360"/></set>

scale_anim.xml

<scale android:fromXScale="0.0" android:fromYScale="0.0"           android:toXScale="1.0" android:toYScale="1.0"           android:pivotX="90%" android:pivotY="90%"           android:duration="3000"/></set>

translate_anim.xml

<set xmlns:android="http://schemas.android.com/apk/res/android">    <translate android:fromXDelta="0"               android:fromYDelta="0"               android:toXDelta="200"               android:toYDelta="0"    android:duration="3000"/></set>

activity_main.xml布局文件

    <Button        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="开始动画"        android:onClick="startClick"        android:id="@+id/button" android:layout_alignParentTop="true"        android:layout_alignParentStart="true" android:layout_alignParentEnd="true"/>    <ImageView        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:maxWidth="200dp"        android:minHeight="200dp"        android:adjustViewBounds="true"        android:src="@mipmap/jj"        android:id="@+id/imageView"        android:layout_alignParentBottom="true" android:layout_centerHorizontal="true"/>    <Button        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="frame动画"        android:onClick="frameClick"        android:id="@+id/button2" android:layout_below="@+id/button"        android:layout_alignParentStart="true" android:layout_alignEnd="@+id/button"/>    <ImageView        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:src="@drawable/anim_list"        android:id="@+id/imageView2" android:layout_above="@+id/imageView"        android:layout_centerHorizontal="true"/></RelativeLayout>

public class MainActivity extends AppCompatActivity {    private ImageView imageView;    private ImageView imageView2;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        imageView = (ImageView) findViewById(R.id.imageView);        imageView2 = (ImageView) findViewById(R.id.imageView2);    }    public void frameClick(View view){        AnimationDrawable ad = (AnimationDrawable) imageView2.getDrawable();//        ad.start();        ad.stop();    }    public void startClick(View view){        Animation alpha = AnimationUtils.loadAnimation(this,R.anim.alpha_anim);//        imageView.startAnimation(alpha);        Animation scale = AnimationUtils.loadAnimation(this,R.anim.scale_anim);//        imageView.startAnimation(scale);        Animation translate = AnimationUtils.loadAnimation(this,R.anim.translate_anim);//        imageView.startAnimation(translate);        Animation rotate = AnimationUtils.loadAnimation(this,R.anim.rotate_anim);        imageView.startAnimation(rotate);    }}

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