Use vector images
Alex Baker
9 years ago
@ -0,0 +1,156 @@
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/*
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* Copyright (C) 2014 Jared Rummler <jared.rummler@gmail.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.tasks.ui;
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import android.annotation.SuppressLint;
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import android.app.Activity;
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import android.graphics.PorterDuff;
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import android.graphics.drawable.Drawable;
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import android.os.Build;
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import android.view.Menu;
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import android.view.MenuItem;
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import android.view.SubMenu;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.ImageButton;
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/**
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* Helper class to set the color and transparency for menu icons in an ActionBar/Toolbar.</p>
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*
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* Example usage:
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*
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* <pre>
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* <code>
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* public boolean onCreateOptionsMenu(Menu menu) {
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* ...
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* int color = getResources().getColor(R.color.your_awesome_color);
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* int alpha = 204; // 80% alpha
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* MenuColorizer.colorMenu(this, menu, color, alpha);
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* ...
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* }
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* </code>
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* </pre>
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*
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* @author Jared Rummler <jared.rummler@gmail.com>
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* @since Dec 11, 2014
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*/
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public class MenuColorizer {
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private MenuColorizer() {
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}
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/** Sets a color filter on all menu icons, including the overflow button (if it exists) */
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public static void colorMenu(final Activity activity, final Menu menu, final int color) {
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colorMenu(activity, menu, color, 0);
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}
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/** Sets a color filter on all menu icons, including the overflow button (if it exists) */
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public static void colorMenu(final Activity activity, final Menu menu, final int color,
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final int alpha) {
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for (int i = 0, size = menu.size(); i < size; i++) {
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final MenuItem menuItem = menu.getItem(i);
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colorMenuItem(menuItem, color, alpha);
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if (menuItem.hasSubMenu()) {
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final SubMenu subMenu = menuItem.getSubMenu();
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for (int j = 0; j < subMenu.size(); j++) {
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colorMenuItem(subMenu.getItem(j), color, alpha);
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}
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}
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}
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final View home = activity.findViewById(android.R.id.home);
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if (home != null) {
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home.post(new Runnable() {
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@Override
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public void run() {
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colorOverflow(activity, color, alpha);
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}
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});
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}
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}
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/** Sets a color filter on a {@link MenuItem} */
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public static void colorMenuItem(final MenuItem menuItem, final int color) {
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colorMenuItem(menuItem, color, 0);
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}
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/** Sets a color filter on a {@link MenuItem} */
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public static void colorMenuItem(final MenuItem menuItem, final int color, final int alpha) {
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final Drawable drawable = menuItem.getIcon();
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if (drawable != null) {
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// If we don't mutate the drawable, then all drawable's with this id will have a color
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// filter applied to it.
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drawable.mutate();
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drawable.setColorFilter(color, PorterDuff.Mode.SRC_ATOP);
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if (alpha > 0) {
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drawable.setAlpha(alpha);
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}
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}
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}
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/** Sets a color filter on the OverflowMenuButton in an ActionBar or Toolbar */
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public static void colorOverflow(final Activity activity, final int color) {
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colorOverflow(activity, color, 0);
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}
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/** Sets a color filter on the OverflowMenuButton in an ActionBar or Toolbar */
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@SuppressLint("NewApi")
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@SuppressWarnings("deprecation")
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public static void colorOverflow(final Activity activity, final int color, final int alpha) {
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final ImageButton overflow = getOverflowMenu(activity);
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if (overflow != null) {
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overflow.setColorFilter(color);
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if (alpha > 0) {
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
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overflow.setImageAlpha(alpha);
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} else {
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overflow.setAlpha(alpha);
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}
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}
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}
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}
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/* Find that OverflowMenuButton */
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private static ImageButton getOverflowMenu(final Activity activity,
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final ViewGroup... viewGroup) {
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final ViewGroup group;
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if (viewGroup == null || viewGroup.length == 0) {
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final int resId = activity.getResources().getIdentifier("action_bar", "id", "android");
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if (resId != 0) {
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group = (ViewGroup) activity.findViewById(resId);
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} else {
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group = (ViewGroup) activity.findViewById(android.R.id.content).getRootView();
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}
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} else {
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group = viewGroup[0];
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}
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ImageButton overflow = null;
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for (int i = 0, l = group.getChildCount(); i < l; i++) {
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final View v = group.getChildAt(i);
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if (v instanceof ImageButton
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&& v.getClass().getSimpleName().equals("OverflowMenuButton")) {
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overflow = (ImageButton) v;
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} else if (v instanceof ViewGroup) {
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overflow = getOverflowMenu(activity, (ViewGroup) v);
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}
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if (overflow != null) {
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break;
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}
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}
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return overflow;
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}
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}
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