Dialog伸缩动画效果

ViewScale.java:
Java代码 
public class ViewScale extends Activity implements OnClickListener {  
 
    private LinearLayout mLayout;  
    private Animation mScaleIn, mScaleOut;  
 
    @Override 
    public void onCreate(Bundle savedInstanceState) {  
        super.onCreate(savedInstanceState);  
        setContentView(R.layout.main);  
        mScaleIn = AnimationUtils.loadAnimation(this, R.anim.scale_in);  
        mScaleOut = AnimationUtils.loadAnimation(this, R.anim.scale_out);  
        mLayout = (LinearLayout) findViewById(R.id.mLayout);  
        Button btn = (Button) findViewById(R.id.btn);  
        btn.setOnClickListener(this);  
 
        iv = new ImageView(ViewScale.this);  
        LinearLayout.LayoutParams mParam = new LinearLayout.LayoutParams(  
                LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);  
        iv.setLayoutParams(mParam);  
        iv.setBackgroundResource(R.drawable.belle_frame);  
    }  
 
    private int i = 0;  
    private ImageView iv;  
 
    @Override 
    public void onClick(View v) {  
        if (i % 2 == 0) {  
            mLayout.addView(iv);  
            iv.startAnimation(mScaleOut);  
            mScaleOut.setAnimationListener(new AnimationListener() {  
                @Override 
                public void onAnimationStart(Animation animation) {  
                    // TODO Auto-generated method stub  
 
                }  
 
                @Override 
                public void onAnimationEnd(Animation animation) {  
                    // TODO Auto-generated method stub  
                    // mLayout.removeView(iv);  
                }  
 
                @Override 
                public void onAnimationRepeat(Animation animation) {  
                    // TODO Auto-generated method stub  
 
                }  
            });  
        } else {  
            iv.startAnimation(mScaleIn);  
            mScaleIn.setAnimationListener(new AnimationListener() {  
                @Override 
                public void onAnimationStart(Animation animation) {  
                    // TODO Auto-generated method stub  
 
                }  
 
                @Override 
                public void onAnimationEnd(Animation animation) {  
                    // TODO Auto-generated method stub  
                    mLayout.removeView(iv);  
                }  
 
                @Override 
                public void onAnimationRepeat(Animation animation) {  
                    // TODO Auto-generated method stub  
 
                }  
            });  
        }  
        i++;  
 
    }  
 
} 

public class ViewScale extends Activity implements OnClickListener {

private LinearLayout mLayout;
private Animation mScaleIn, mScaleOut;

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
mScaleIn = AnimationUtils.loadAnimation(this, R.anim.scale_in);
mScaleOut = AnimationUtils.loadAnimation(this, R.anim.scale_out);
mLayout = (LinearLayout) findViewById(R.id.mLayout);
Button btn = (Button) findViewById(R.id.btn);
btn.setOnClickListener(this);

iv = new ImageView(ViewScale.this);
LinearLayout.LayoutParams mParam = new LinearLayout.LayoutParams(
LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
iv.setLayoutParams(mParam);
iv.setBackgroundResource(R.drawable.belle_frame);
}

private int i = 0;
private ImageView iv;

@Override
public void onClick(View v) {
if (i % 2 == 0) {
mLayout.addView(iv);
iv.startAnimation(mScaleOut);
mScaleOut.setAnimationListener(new AnimationListener() {
@Override
public void onAnimationStart(Animation animation) {
// TODO Auto-generated method stub

}

@Override
public void onAnimationEnd(Animation animation) {
// TODO Auto-generated method stub
// mLayout.removeView(iv);
}

@Override
public void onAnimationRepeat(Animation animation) {
// TODO Auto-generated method stub

}
});
} else {
iv.startAnimation(mScaleIn);
mScaleIn.setAnimationListener(new AnimationListener() {
@Override
public void onAnimationStart(Animation animation) {
// TODO Auto-generated method stub

}

@Override
public void onAnimationEnd(Animation animation) {
// TODO Auto-generated method stub
mLayout.removeView(iv);
}

@Override
public void onAnimationRepeat(Animation animation) {
// TODO Auto-generated method stub

}
});
}
i++;

}

}



scale_out.xml:
Java代码 
<?xml version="1.0" encoding="utf-8"?>  
<set xmlns:android="http://schemas.android.com/apk/res/android">  
    <scale android:interpolator="@android:anim/accelerate_interpolator" 
        android:fromXScale="0.0" android:toXScale="1.0" android:fromYScale="0.0" 
        android:toYScale="1.0" android:pivotX="1%" android:pivotY="1%" 
        android:fillAfter="true" android:duration="400" />  
</set> 

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
<scale android:interpolator="@android:anim/accelerate_interpolator"
android:fromXScale="0.0" android:toXScale="1.0" android:fromYScale="0.0"
android:toYScale="1.0" android:pivotX="1%" android:pivotY="1%"
android:fillAfter="true" android:duration="400" />
</set>


scale_in.xml:
Java代码 
<?xml version="1.0" encoding="utf-8"?>  
<set xmlns:android="http://schemas.android.com/apk/res/android">  
    <scale android:interpolator="@android:anim/accelerate_interpolator" 
        android:fromXScale="1.0" android:toXScale="0.0" android:fromYScale="1.0" 
        android:toYScale="0.0" android:pivotX="1%" android:pivotY="1%" 
        android:fillAfter="true" android:duration="400" />  
</set>