void startAnimating(final boolean holdAfter) {
mAnimating = true;
final Animation trans1;
final Animation trans2;
final Slider slider = mCurrentSlider;
final Slider other = mOtherSlider;
final int dx;
final int dy;
if (isHorizontal()) {
int right = slider.tab.getRight();
int width = slider.tab.getWidth();
int left = slider.tab.getLeft();
int viewWidth = getWidth();
int holdOffset = holdAfter ? 0 : width; // how much of tab to show at the end of anim
dx =
slider == mRightSlider
? -(right + viewWidth - holdOffset)
: (viewWidth - left) + viewWidth - holdOffset;
dy = 0;
} else {
int top = slider.tab.getTop();
int bottom = slider.tab.getBottom();
int height = slider.tab.getHeight();
int viewHeight = getHeight();
int holdOffset = holdAfter ? 0 : height; // how much of tab to show at end of anim
dx = 0;
dy =
slider == mRightSlider
? (top + viewHeight - holdOffset)
: -((viewHeight - bottom) + viewHeight - holdOffset);
}
trans1 = new TranslateAnimation(0, dx, 0, dy);
trans1.setDuration(ANIM_DURATION);
trans1.setInterpolator(new LinearInterpolator());
trans1.setFillAfter(true);
trans2 = new TranslateAnimation(0, dx, 0, dy);
trans2.setDuration(ANIM_DURATION);
trans2.setInterpolator(new LinearInterpolator());
trans2.setFillAfter(true);
trans1.setAnimationListener(
new AnimationListener() {
public void onAnimationEnd(Animation animation) {
Animation anim;
if (holdAfter) {
anim = new TranslateAnimation(dx, dx, dy, dy);
anim.setDuration(1000); // plenty of time for transitions
mAnimating = false;
} else {
anim = new AlphaAnimation(0.5f, 1.0f);
anim.setDuration(ANIM_DURATION);
resetView();
}
anim.setAnimationListener(mAnimationDoneListener);
/* Animation can be the same for these since the animation just holds */
mLeftSlider.startAnimation(anim, anim);
mRightSlider.startAnimation(anim, anim);
}
public void onAnimationRepeat(Animation animation) {}
public void onAnimationStart(Animation animation) {}
});
slider.hideTarget();
slider.startAnimation(trans1, trans2);
}
