(by @andrestaltz)
If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.
| <?xml version="1.0" encoding="utf-8"?><!-- | |
| ~ Copyright (C) 2015 The Android Open Source Project | |
| ~ | |
| ~ 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 |
| /* | |
| * Copyright (C) 2014 skyfish.jy@gmail.com | |
| * | |
| * 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 |
| import com.google.auto.value.AutoValue; | |
| import java.lang.annotation.Retention; | |
| import java.lang.annotation.Target; | |
| import static java.lang.annotation.ElementType.TYPE; | |
| import static java.lang.annotation.RetentionPolicy.RUNTIME; | |
| /** | |
| * Marks an {@link AutoValue @AutoValue}-annotated type for proper Gson serialization. | |
| * <p> |
| /* The MIT License (MIT) | |
| Copyright (c) 2014, Marty Glaubitz | |
| Permission is hereby granted, free of charge, to any person obtaining a copy | |
| of this software and associated documentation files (the "Software"), to deal | |
| in the Software without restriction, including without limitation the rights | |
| to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
| copies of the Software, and to permit persons to whom the Software is | |
| furnished to do so, subject to the following conditions: |
| import android.content.Context; | |
| import android.content.res.TypedArray; | |
| import android.graphics.Canvas; | |
| import android.graphics.drawable.Drawable; | |
| import android.util.AttributeSet; | |
| import android.widget.ImageView; | |
| public class ForegroundImageView extends ImageView { | |
| private Drawable foreground; |
| <?xml version="1.0" encoding="utf-8"?> | |
| <resources> | |
| <!-- google's material design colours from | |
| http://www.google.com/design/spec/style/color.html#color-ui-color-palette --> | |
| <!--reds--> | |
| <color name="md_red_50">#FFEBEE</color> | |
| <color name="md_red_100">#FFCDD2</color> | |
| <color name="md_red_200">#EF9A9A</color> |
(by @andrestaltz)
If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.
| public class CircularProgressDrawable extends Drawable | |
| implements Animatable { | |
| private static final Interpolator ANGLE_INTERPOLATOR = new LinearInterpolator(); | |
| private static final Interpolator SWEEP_INTERPOLATOR = new DecelerateInterpolator(); | |
| private static final int ANGLE_ANIMATOR_DURATION = 2000; | |
| private static final int SWEEP_ANIMATOR_DURATION = 600; | |
| private static final int MIN_SWEEP_ANGLE = 30; | |
| private final RectF fBounds = new RectF(); |
| public class ColorUtils { | |
| private static final double LM_RED_COEFFICIENT = 0.2126; | |
| private static final double LM_GREEN_COEFFICIENT = 0.7152; | |
| private static final double LM_BLUE_COEFFICIENT = 0.0722; | |
| public static int calculateRelativeLuminance(int color) { | |
| int red = (int) (Color.red(color) * LM_RED_COEFFICIENT); | |
| int green = (int) (Color.green(color) * LM_GREEN_COEFFICIENT); | |
| int blue = (int) (Color.blue(color) * LM_BLUE_COEFFICIENT); | |
| return red + green + blue; |
| #!/bin/bash | |
| # This is a wrapper for adb. If there are multiple devices / emulators, this script will prompt for which device to use | |
| # Then it'll pass whatever commands to that specific device or emulator. | |
| # Run adb devices once, in event adb hasn't been started yet | |
| BLAH=$(adb devices) | |
| # Grab the IDs of all the connected devices / emulators | |
| IDS=($(adb devices | sed '1,1d' | sed '$d' | cut -f 1 | sort)) |