I figured out how to use OnDrawerOpenListener and OnDrawerCloseListener to
implement the animation.
SlidingDrawer drawer = (SlidingDrawer)
findViewById(R.id.slidingDrawer1);
drawer.setOnDrawerOpenListener(new OnDrawerOpenListener() {
public void onDrawerOpened() {
ImageView image = (ImageView) findViewById(R.id.imageView1);
LinearLayout.LayoutParams layoutParams = new
LinearLayout.LayoutParams(500, 500);
image.setLayoutParams(layoutParams);
}
});
drawer.setOnDrawerCloseListener(new OnDrawerCloseListener() {
public void onDrawerClosed() {
ImageView image = (ImageView) findViewById(R.id.imageView1);
LinearLayout.LayoutParams layoutParams = new
LinearLayout.LayoutParams(700, 700);
image.setLayoutParams(layoutParams);
}
});
However, I want the image changes its size in a gradient way, and its size
depends on the position of the drawer's handler button.
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