Example usage for android.view View setAlpha

Introduction

In this page you can find the example usage for android.view View setAlpha.

Prototype

public void setAlpha(@FloatRange(from = 0.0, to = 1.0) float alpha)

Source Link

Document

Sets the opacity of the view to a value from 0 to 1, where 0 means the view is completely transparent and 1 means the view is completely opaque.

Usage

From source file:com.erevacation.challenge.rxjavaanimator.ViewAnimatorCreator.java

private static ViewPropertyAnimator animateTranslate(View view, int duration, int delay, int dx,
        TimeInterpolator interpolator) {
    Timber.d("Translate for dx: " + dx);
    view.setAlpha(1);
    ViewPropertyAnimator propertyAnimator = view.animate().translationX(dx).setStartDelay(delay)
            .setDuration(duration);/*from  ww  w .  j a  v a  2s .  co m*/
    if (interpolator != null) {
        propertyAnimator.setInterpolator(interpolator);
    } else {
        propertyAnimator.setInterpolator(new FastOutLinearInInterpolator());
    }

    return propertyAnimator;
}

From source file:Main.java

public static void hide(final View view, final boolean makeInvisible) {
    if (Build.VERSION.SDK_INT >= 11) {
        final Animation animation = new Animation() {
            @TargetApi(11)/* w  w w.jav a 2  s  . co  m*/
            @Override
            protected void applyTransformation(final float interpolatedTime, final Transformation t) {
                view.setAlpha(1.f - interpolatedTime);
            }
        };

        animation.setDuration(ANIMATION_DURATION);
        // return animation;
        view.startAnimation(animation);
    } else {
        view.setVisibility(View.INVISIBLE);
    }
}

From source file:Main.java

private static Animator createFade(final View targetView, int startAlpha, int endAlpha) {
    ValueAnimator a = ValueAnimator.ofFloat(startAlpha, endAlpha);
    a.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override//  ww  w  .ja va 2s. com
        public void onAnimationUpdate(ValueAnimator valueAnimator) {
            targetView.setAlpha((float) valueAnimator.getAnimatedValue());
        }
    });
    return a;
}

From source file:Main.java

public static void showViewAlphaAnim(final View view, TimeInterpolator interpolator, final boolean visible) {
    if (visible && view.getVisibility() == View.VISIBLE || !visible && view.getVisibility() != View.VISIBLE) {
        return;/*from   www. j ava  2  s .c  o m*/
    }

    float fromAlpha = visible ? 0.0F : 1.0F;
    float toAlpha = visible ? 1.0F : 0.0F;
    view.setAlpha(fromAlpha);
    view.setVisibility(View.VISIBLE);
    view.animate().alpha(toAlpha).setDuration(DURATION).setInterpolator(interpolator)
            .setListener(new AnimatorListenerAdapter() {
                @Override
                public void onAnimationEnd(Animator animator) {
                    if (visible) {
                        view.setAlpha(1.0F);
                        view.setVisibility(View.VISIBLE);
                    } else {
                        view.setAlpha(0.0F);
                        view.setVisibility(View.INVISIBLE);
                    }
                }
            }).start();
}

From source file:com.findme.views.ExpandableTextView.java

@TargetApi(Build.VERSION_CODES.HONEYCOMB)
private static void applyAlphaAnimation(View view, float alpha) {
    if (isPostHoneycomb()) {
        view.setAlpha(alpha);
    } else {/*from   w  ww . j av  a2 s.  c  om*/
        AlphaAnimation alphaAnimation = new AlphaAnimation(alpha, alpha);
        // make it instant
        alphaAnimation.setDuration(0);
        alphaAnimation.setFillAfter(true);
        view.startAnimation(alphaAnimation);
    }
}

From source file:Main.java

/**
 * Disable all the childs of the selected root view
 *
 * @param rootView View to iterate in order to disable all its childs
 * @param alpha    Alpha to set to disabled elements
 *///from w  w  w.ja  va  2  s. com
public static void disableView(ViewGroup rootView, float alpha) {
    int count = rootView.getChildCount();
    View v;
    //Go over the child list of the view and disable all
    for (int i = 0; i < count; i++) {
        v = rootView.getChildAt(i);
        if (v != null) {
            if (v instanceof ViewGroup)
                disableView((ViewGroup) v, alpha);
            if (Build.VERSION.SDK_INT > Build.VERSION_CODES.FROYO)
                v.setAlpha(alpha);
            v.setEnabled(false);
        }
    }
}

From source file:io.github.prefanatic.cleantap.util.AnimUtils.java

public static void showChildren(ViewGroup group) {
    FastOutLinearInInterpolator interpolator = new FastOutLinearInInterpolator();

    for (int i = 0; i < group.getChildCount(); i++) {
        View view = group.getChildAt(i);

        view.setTranslationY(view.getHeight() / 3);
        view.setAlpha(0f);
        view.animate().alpha(1f).translationY(0f).setStartDelay(0L).setDuration(150L)
                //.setInterpolator(interpolator)
                .start();/*  ww  w  .  j a  v a2  s.c  o  m*/

    }
}

From source file:Main.java

/**
 * Update alpha/*from   w ww.j  a v a 2 s .c o  m*/
 */
public static void updateAlpha(final View view, float fromValue, float toValue) {
    ValueAnimator animator = ValueAnimator.ofFloat(fromValue, toValue);
    animator.setDuration(150);
    animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override
        public void onAnimationUpdate(ValueAnimator valueAnimator) {
            float animatedValue = (float) valueAnimator.getAnimatedValue();
            view.setAlpha(animatedValue);
        }
    });
    animator.start();
}

From source file:io.github.prefanatic.cleantap.util.AnimUtils.java

public static void show(View view) {
    if (view.getVisibility() == View.VISIBLE)
        return;/*  w ww.  j  av a2s .c o  m*/

    view.setVisibility(View.VISIBLE);
    view.setAlpha(0f);

    view.animate().alpha(1f).start();
}

From source file:io.github.prefanatic.cleantap.util.AnimUtils.java

public static void showAsTranslationY(View view) {
    if (view.getVisibility() == View.VISIBLE)
        return;// ww  w  .j a  va  2 s .  c o m

    view.setVisibility(View.VISIBLE);
    view.setAlpha(0f);
    view.setTranslationY(-200);

    view.animate().alpha(1f).translationY(0f).setStartDelay(0L).setDuration(400L).start();
}