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# fixed issue #12: Lollipop elevation disable shadow
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Vladyslav Baydak
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Feb 26, 2015
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74 changes: 74 additions & 0 deletions
74
fab/src/main/java/com/software/shell/fab/ActionButtonOutlineProvider.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| /* | ||
| * Copyright 2015 Shell Software Inc. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| * | ||
| * File created: 2015-02-25 19:54:28 | ||
| */ | ||
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| package com.software.shell.fab; | ||
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| import android.annotation.TargetApi; | ||
| import android.graphics.Outline; | ||
| import android.os.Build; | ||
| import android.view.View; | ||
| import android.view.ViewOutlineProvider; | ||
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| /** | ||
| * An implementation of the {@link android.view.ViewOutlineProvider} | ||
| * for <b>Action Button</b> | ||
| * | ||
| * Used for drawing the elevation shadow for {@code API 21 Lollipop} and higher | ||
| * | ||
| * @author Vladislav | ||
| * @version 1.0.0 | ||
| * @since 1.0.0 | ||
| */ | ||
| @TargetApi(Build.VERSION_CODES.LOLLIPOP) | ||
| class ActionButtonOutlineProvider extends ViewOutlineProvider { | ||
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| /** | ||
| * Outline provider width | ||
| */ | ||
| private int width; | ||
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| /** | ||
| * Outline provider height | ||
| */ | ||
| private int height; | ||
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| /** | ||
| * Creates an instance of the {@link com.software.shell.fab.ActionButtonOutlineProvider} | ||
| * | ||
| * @param width initial outline provider width | ||
| * @param height initial outline provider height | ||
| */ | ||
| ActionButtonOutlineProvider(int width, int height) { | ||
| this.width = width; | ||
| this.height = height; | ||
| } | ||
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| /** | ||
| * Called to get the provider to populate the Outline. This method will be called by a View | ||
| * when its owned Drawables are invalidated, when the View's size changes, or if invalidateOutline() | ||
| * is called explicitly. The input outline is empty and has an alpha of 1.0f | ||
| * | ||
| * @param view a view, which builds the outline | ||
| * @param outline an empty outline, which is to be populated | ||
| */ | ||
| @Override | ||
| public void getOutline(View view, Outline outline) { | ||
| outline.setOval(0, 0, width, height); | ||
| } | ||
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| } |