Example usage for android.graphics.drawable Drawable setAlpha

Introduction

In this page you can find the example usage for android.graphics.drawable Drawable setAlpha.

Prototype

public abstract void setAlpha(@IntRange(from = 0, to = 255) int alpha);

Source Link

Document

Specify an alpha value for the drawable.

Usage

From source file:Main.java

public static Drawable setAlpha(Drawable draw, int alpha) {
    draw.setAlpha(alpha);
    draw.invalidateSelf();//from w  w  w . j  av a  2  s  .  co  m
    return draw;
}

From source file:Main.java

public static void setBackgroundPreservingAlpha(View view, Drawable drawable) {
    if (view.getBackground() != null) {
        drawable.setAlpha(view.getBackground().getAlpha());
    }/*from www.  j a  v a  2  s .  c o  m*/
    view.setBackground(drawable);
}

From source file:Main.java

public static void setAlpha(View view, int alpha) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
        view.setAlpha(alpha / 255.0f);/*from  ww w .  j  a va  2 s . c  om*/
    } else {
        Drawable drawable = view.getBackground();
        if (drawable != null) {
            drawable.setAlpha(alpha);
        }
    }
}

From source file:Main.java

/**
 * Android doesn't fade out disabled menu item icons, so do it ourselves
 *///  ww w  .j  a v  a2  s  .c om
public static void fixupMenuAlpha(Menu menu) {
    for (int i = 0; i < menu.size(); i++) {
        MenuItem item = menu.getItem(i);
        Drawable icon = item.getIcon();
        if (icon != null) {
            icon.setAlpha(item.isEnabled() ? 255 : 64);
        }
    }
}

From source file:Main.java

public static void setAlpha(View view, float alpha) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
        view.setAlpha(alpha);/*from w  w  w  .  j  a  va  2  s  .  c o m*/
    } else {
        Drawable drawable = view.getBackground();
        if (drawable != null) {
            drawable.setAlpha((int) (alpha * 255));
        }
    }
}

From source file:Main.java

public static void overrideColorWithTransparency(int i, Drawable drawable, int j) {
    drawable.setColorFilter(i, android.graphics.PorterDuff.Mode.MULTIPLY);
    if (android.os.Build.VERSION.SDK_INT >= 11) {
        drawable.setAlpha(j);
    }//  w  ww  . j av  a 2  s  .  c  om
}

From source file:com.gc.markdown.utils.ViewUtils.java

/**
 * Set view alpha/*from www  .  java2s  .  co  m*/
 * ?
 *
 * @param view  view
 * @param alpha alpha value
 */
public static void setAlpha(View view, float alpha) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
        view.setAlpha(alpha);
    } else {
        Drawable drawable = view.getBackground();
        if (drawable != null) {
            drawable.setAlpha((int) (alpha * 255));
        }
    }
}

From source file:Main.java

@TargetApi(Build.VERSION_CODES.LOLLIPOP)
@NonNull/*from  w w  w  .j  av a  2 s.c  om*/
private static Drawable getPressedColorRippleDrawable(int normalColor, int pressedColor) {
    Drawable drawable = new RippleDrawable(getPressedColorSelector(normalColor, pressedColor),
            getColorDrawableFromColor(normalColor), null);
    drawable.setAlpha(70);
    return drawable;
}

From source file:jahirfiquitiva.iconshowcase.utilities.color.ToolbarColorizer.java

public static void hideSearchHintIcon(Context context, SearchView searchView) {
    if (context != null) {
        final Class<?> searchViewClass = searchView.getClass();
        try {// w w  w .java  2s. c  o m
            final Field mSearchHintIcon = searchViewClass.getDeclaredField("mSearchHintIcon");
            mSearchHintIcon.setAccessible(true);
            Drawable mSearchHintIconDrawable = (Drawable) mSearchHintIcon.get(searchView);
            mSearchHintIconDrawable.setBounds(0, 0, 0, 0);
            mSearchHintIconDrawable.setAlpha(0);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

From source file:com.android.clear.reminder.AnimatorUtils.java

/**
 * Sets the alpha of the top layer's drawable (of the background) only, if the background is a
 * layer drawable, to ensure that the other layers (i.e., the selectable item background, and
 * therefore the touch feedback RippleDrawable) are not affected.
 *
 * @param view the affected view/*from   ww w  .  j ava 2s. co  m*/
 * @param value the alpha value (0-255)
 */
public static void setBackgroundAlpha(View view, Integer value) {
    Drawable background = view.getBackground();
    if (background instanceof LayerDrawable && ((LayerDrawable) background).getNumberOfLayers() > 0) {
        background = ((LayerDrawable) background).getDrawable(0);
    }
    background.setAlpha(value);
}