(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.
/* | |
* 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 |
import android.graphics.*; | |
import com.squareup.picasso.Transformation; | |
/** | |
* Transforms an image into a circle representation. Such as a avatar. | |
*/ | |
public class CircularTransformation implements Transformation | |
{ | |
int radius = 10; |
(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 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)) |
/* | |
* 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 |
final String command = "HELO\n"; | |
final UUID sppUuid = UUID.fromString("00001101-0000-1000-8000-00805F9B34FB"); | |
BluetoothAdapter.getDefaultAdapter(); | |
if (btAdapter == null) { | |
sendLogMessage("Bluetooth adapter is not available."); | |
return; | |
} | |
sendLogMessage("Bluetooth adapter is found."); |
private static final int PEEK_DRAWER_TIME_SECONDS = 2; | |
private long downTime; | |
private long eventTime; | |
private float x = 0.0f; | |
private float y = 100.0f; | |
private int metaState = 0; | |
protected void peekDrawer() { | |
downTime = SystemClock.uptimeMillis(); | |
eventTime = SystemClock.uptimeMillis() + 100; |
import com.google.gson.Gson; | |
import com.google.gson.JsonSyntaxException; | |
import com.android.volley.AuthFailureError; | |
import com.android.volley.NetworkResponse; | |
import com.android.volley.ParseError; | |
import com.android.volley.Request; | |
import com.android.volley.Response; | |
import com.android.volley.Response.ErrorListener; | |
import com.android.volley.Response.Listener; |
import java.util.*; | |
import java.io.*; | |
import java.security.*; | |
public class ChangePassword | |
{ | |
private final static JKS j = new JKS(); | |
public static void main(String[] args) throws Exception | |
{ |