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package de.androvdr.widget;
import android.content.Context;
import android.util.AttributeSet;
import android.view.View;
import android.view.animation.AlphaAnimation;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.TextView;
/**
* Created by lado on 04.05.15.
*/
public class AnimatedTextView extends TextView {
private static final int IS_ANIMATING_TAG_ID = "isAnimating".hashCode();
private Animation fadeInAnimation;
private Animation fadeOutAnimation;
public AnimatedTextView(Context context) {
super(context);
initAnimations(context);
}
public AnimatedTextView(Context context, AttributeSet attrs) {
super(context, attrs);
initAnimations(context);
}
public AnimatedTextView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
initAnimations(context);
}
public void initAnimations(Context context) {
fadeInAnimation = AnimationUtils.loadAnimation(this.getContext(), android.R.anim.fade_in);
fadeOutAnimation = new AlphaAnimation(1.0f, 0.0f);
fadeOutAnimation.setDuration(100);
fadeInAnimation.setAnimationListener(new Animation.AnimationListener() {
@Override
public void onAnimationStart(Animation animation) {
setAnimatingFlag(true);
}
@Override
public void onAnimationEnd(Animation animation) {
setAnimatingFlag(false);
}
@Override
public void onAnimationRepeat(Animation animation) {
}
});
fadeOutAnimation.setAnimationListener(new Animation.AnimationListener() {
@Override
public void onAnimationStart(Animation animation) {
setAnimatingFlag(false);
}
@Override
public void onAnimationEnd(Animation animation) {
}
@Override
public void onAnimationRepeat(Animation animation) {
}
});
setAnimatingFlag(false);
}
public void fadeOut() {
if (getVisibility() == View.VISIBLE) {
startAnimation(fadeOutAnimation);
setVisibility(View.INVISIBLE);
}
}
public void fadeIn() {
//if (getVisibility() == View.INVISIBLE && !isAnimating()) {
// startAnimation(fadeInAnimation);
setVisibility(View.VISIBLE);
// }
}
private boolean isAnimating() {
return (Boolean) getTag(IS_ANIMATING_TAG_ID) == true;
}
private void setAnimatingFlag(boolean isAnimating) {
setTag(IS_ANIMATING_TAG_ID, new Boolean(isAnimating));
}
}
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