objcode

/* Copyright 2019 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
 *
 *   https://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,

polbins

Create Android Studio Command-line Launcher

0. Open Android Studio
1. Go to: Tools > Create Command-line Launcher
2. Leave as default, Press OK

Configure Git to use Android Studio as default Diff Tool

1. Add the following lines to your .gitconfig

cesarferreira

View Click

Instead of the verbose setOnClickListener:

RxView.clicks(submitButton).subscribe(o -> log("submit button clicked!"));

Filter even numbers

Observable
    .just(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)

dlew

<!-- You can change the parent around to whatever you normally use -->
<style name="DebugColors" parent="Theme.AppCompat">

    <!-- System colors -->
    <item name="android:windowBackground">@color/__debugWindowBackground</item>

    <item name="android:colorPressedHighlight">#FF4400</item>
    <item name="android:colorLongPressedHighlight">#FF0044</item>
    <item name="android:colorFocusedHighlight">#44FF00</item>
    <item name="android:colorActivatedHighlight">#00FF44</item>

curioustechizen

/**
 * An enhanced {@code CheckBox} that differentiates between user clicks and
 * programmatic clicks. In particular, the {@code OnCheckedChangeListener} is
 * <strong>not</strong> triggered when the state of the checkbox is changed
 * programmatically.
 * 
 */
public class EnhancedCheckBox extends CheckBox implements ProgrammaticallyCheckable{
  private CompoundButton.OnCheckedChangeListener mListener = null;
  public EnhancedCheckBox(Context context) {

staltz

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

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This tutorial as a series of videos

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.

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tsiege

ANNOUNCEMENT

I have moved this over to the Tech Interview Cheat Sheet Repo and has been expanded and even has code challenges you can run and practice against!






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