For example, you want to set 40% alpha transparence to #000000
(black color), you need to add 66
like this #66000000
.
/* | |
* Copyright 2016 Kevin Mark | |
* | |
* 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.content.Context; | |
import android.graphics.Bitmap; | |
import android.graphics.BitmapFactory; | |
import android.graphics.Canvas; | |
import android.graphics.Color; | |
import android.graphics.Paint; | |
import android.graphics.SurfaceTexture; | |
import android.os.Build; | |
import android.text.TextPaint; | |
import android.util.AttributeSet; |
Disclaimer: The instructions are the collective efforts from a few places online. | |
Nothing here is my original. But I want to put them together in one place to save people from spending the same time as I did. | |
First off, bundle. | |
================== | |
1. cd to the project directory | |
2. Start the react-native packager if not started | |
3. Download the bundle to the asset folder: | |
curl "http://localhost:8081/index.android.bundle?platform=android" -o "android/app/src/main/assets/index.android.bundle" |
<?xml version="1.0" encoding="utf-8"?> | |
<shape xmlns:android="http://schemas.android.com/apk/res/android" | |
android:shape="oval" | |
android:useLevel="false" > | |
<solid android:color="@android:color/white" /> | |
<size | |
android:height="50dp" | |
android:width="50dp" /> | |
</shape> |
package com.gabesechan.android.reusable.receivers; | |
import java.util.Date; | |
import android.content.BroadcastReceiver; | |
import android.content.Context; | |
import android.content.Intent; | |
import android.telephony.TelephonyManager; | |
public abstract class PhonecallReceiver extends BroadcastReceiver { |
Use: for testing against email regex | |
ref: http://codefool.tumblr.com/post/15288874550/list-of-valid-and-invalid-email-addresses | |
List of Valid Email Addresses | |
email@example.com | |
firstname.lastname@example.com | |
email@subdomain.example.com | |
firstname+lastname@example.com |
DynamoDB is a powerful, fully managed, low latency, NoSQL database service provided by Amazon. DynamoDB allows you to pay for dedicated throughput, with predictable performance for "any level of request traffic". Scalability is handled for you, and data is replicated across multiple availability zones automatically. Amazon handles all of the pain points associated with managing a distributed datastore for you, including replication, load balancing, provisioning, and backups. All that is left is for you to take your data, and its access patterns, and make it work in the denormalized world of NoSQL.
The single most important part of using DynamoDB begins before you ever put data into it: designing the table(s) and keys. Keys (Amazon calls them primary keys) can be composed of one attribute, called a hash key, or a compound key called the hash and range key. The key is used to uniquely identify an item in a table. The choice of the primary key is particularl
(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 (c) 2013 Xcellent Creations, Inc. | |
* | |
* 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: |