Christian Roman christianroman

How to create custom button styles using Android's AppCompat-v7:21

Introduction

AppCompat is an Android support library to provide backwards-compatible functionality for Material design patterns. It currently comes bundled with a set of styles in the Theme.AppCompat and Widget.AppCompat namespaces. However, there is a critical component missing which I would have thought essential to provide the a default from which we could inherit our styles: Widget.AppCompat.Button. Sure, there's Widget.AppCompat.Light.ActionButton, but that doesn't actually inherit from Widget.ActionButton, which does not inherit from Widget.Button, so we might get some unexpected behavior using that as our base button style, mainly because Widget.ActionButton strictly belongs in the ActionBar.

So, if we want to have a decently normal default button style related to AppCompat, we need to make it ourselves. Let's start by digging into the Android SDK to see how it's doing default styles.

Digging In

Videos

Introduction to Functional Programming Johannes Weiß - https://vimeo.com/100786088
ReactiveCocoa at MobiDevDay Andrew Sardone - https://vimeo.com/65637501
The Future Of ReactiveCocoa Justin Spahr-Summers - https://www.youtube.com/watch?v=ICNjRS2X8WM
Enemy of the State Justin Spahr-Summers - https://www.youtube.com/watch?v=7AqXBuJOJkY
WWDC 2014 Session 229 - Advanced iOS Application Architecture and Patterns Andy Matuschak - https://developer.apple.com/videos/play/wwdc2014/229/
Functioning as a Functionalist Andy Matuschak - https://www.youtube.com/watch?v=rJosPrqBqrA
Controlling Complexity in Swift Andy Matuschak - https://realm.io/news/andy-matuschak-controlling-complexity/

Mac OS X 10.10 Yosemite

Custom recipe to get OS X 10.10 Yosemite running from scratch, setup applications and developer environment. I use this gist to keep track of the important software and steps required to have a functioning system after a semi-annual fresh install. On average, I reinstall each computer from scratch every 6 months, and I do not perform upgrades between distros.

This keeps the system performing at top speeds, clean of trojans, spyware, and ensures that I maintain good organizational practices for my content and backups. I highly recommend this.

You are encouraged to fork this and modify it to your heart's content to match your own needs.

Install Software

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

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.

	#import <UIKit/UIKit.h>
	#include <dlfcn.h>

	static const CFStringRef kMGDieID = CFSTR("DieId");

	typedef NS_ENUM(NSInteger, BKSInterfaceOrientation) {
	BKSInterfaceOrientationPortrait = 1,
	BKSInterfaceOrientationPortraitUpsideDown = 2,
	BKSInterfaceOrientationLandscapeRight = 3,
	BKSInterfaceOrientationLandscapeLeft = 4

	This is the code path that changed the status bar orientation on iOS 7:

	* thread #1: tid = 0x698dbf, 0x00085830 WindowRotationIssue`-[AppDelegate application:willChangeStatusBarOrientation:duration:](self=0x7a041f90, _cmd=0x0137a18d, application=0x79e39cc0, newStatusBarOrientation=UIInterfaceOrientationPortraitUpsideDown, duration=0.80000000000000004) + 96 at AppDelegate.m:23, queue = 'com.apple.main-thread', stop reason = breakpoint 3.1
	* frame #0: 0x00085830 WindowRotationIssue`-[AppDelegate application:willChangeStatusBarOrientation:duration:](self=0x7a041f90, _cmd=0x0137a18d, application=0x79e39cc0, newStatusBarOrientation=UIInterfaceOrientationPortraitUpsideDown, duration=0.80000000000000004) + 96 at AppDelegate.m:23
	frame #1: 0x00bb6ab5 UIKit`-[UIApplication setStatusBarOrientation:animationParameters:notifySpringBoardAndFence:] + 242
	frame #2: 0x00bfa8e4 UIKit`-[UIWindow _setRotatableClient:toOrientation:updateStatusBar:duration:force:isRotating:] + 4761
	frame #3: 0x00bf9646 UIKit`-[UIWi

	#!/usr/bin/env ruby

	device_types_output = `xcrun simctl list devicetypes`
	device_types = device_types_output.scan /(.) \((.)\)/

	runtimes_output = `xcrun simctl list runtimes`
	runtimes = runtimes_output.scan /(.) \(.\) \((com.apple[^)]+)\)$/

	devices_output = `xcrun simctl list devices`
	devices = devices_output.scan /\s\s\s\s(.) \(([^)]+)\) (.)/

	//
	// Warnings.xcconfig
	//
	// The list of warnings we (don’t) use, and the reasons why.
	//
	// :MARK: Warnings in use:
	// :MARK: -everything
	// We want the best possible diagnostics, so we simply enable everything that exists, and then opt–out of what doesn’t make sense for us.
	//
	// :MARK: - Warnings not to be promoted:

	// removes all but first occurrence from a sequence, returning an array.
	// requires elements to be hashable, not just equatable, but the alternative
	// of using contains is very inefficient
	// alternatively, could require comparable, sort, and remove adjacent dupes
	func uniq<S: SequenceType, E: Hashable where E==S.Generator.Element>(seq: S) -> [E] {
	var seen: [S.Generator.Element:Int] = [:]
	return filter(seq) { !seen.updateValue(1, forKey: $0).hasValue }
	}

	// TODO: a version that takes a custom comparator function, say for lexicographic deduping

	#!/bin/bash

	############################################################################
	# Automated WWDC 2014 videos downloader script
	# Cristian Grau @SaroFR
	# Based on Krzysztof Zablocki's (@merowing_) Download HD WWDC 2014 command
	############################################################################

	function download {
	curl --silent --remote-name $1