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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castorflex

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();

alexfu

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;

Mariuxtheone

public Bitmap blurBitmap(Bitmap bitmap){
		
		//Let's create an empty bitmap with the same size of the bitmap we want to blur
		Bitmap outBitmap = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Config.ARGB_8888);
		
		//Instantiate a new Renderscript
		RenderScript rs = RenderScript.create(getApplicationContext());
		
		//Create an Intrinsic Blur Script using the Renderscript
		ScriptIntrinsicBlur blurScript = ScriptIntrinsicBlur.create(rs, Element.U8_4(rs));

chrisbanes

/*
 * Copyright 2014 Chris Banes
 *
 * 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

Takhion

/**
 * ArcUtils.java
 * 
 * Copyright (c) 2014 BioWink GmbH.
 * 
 * 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

chrisbanes

/*
 * Copyright (C) 2006 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

ignasi

#!/bin/bash

f=$(pwd)

mkdir drawable-mdpi drawable-hdpi drawable-xhdpi drawable-xxhdpi 

# fake argv and argc in bash
argc=$#; argv[0]=$0 # argv[0] is a prog name
for foo in $( seq $argc )
do

gmccreight

" copy all this into a vim buffer, save it, then...
" source the file by typing :so %
" Now the vim buffer acts like a specialized application for mastering vim

" There are two queues, Study and Known.  Depending how confident you feel
" about the item you are currently learning, you can move it down several
" positions, all the way to the end of the Study queue, or to the Known
" queue.

" type ,, (that's comma comma)

kwent

public class AnimatedActivity extends Activity
{
  @Override
  protected void onCreate(Bundle savedInstanceState)
  {
    super.onCreate(savedInstanceState);
    //opening transition animations
    overridePendingTransition(R.anim.activity_open_translate,R.anim.activity_close_scale);
  }