Android default orientation and orientation change events
Find the default orientation on Android devices, and intercept orientation changes even for activities locked in portrait or landscape mode.
Bluetooth and iOS – Use Bluetooth in your iPhone apps
Learn how to use the BluetoothManager private APIs on iOS / iPhone/ iPod to discover nearby connections, populate a list view with the results, and try to establish a Bluetooth connection to the remote devices.
Developing for Apple iOS
A short guide to get started with iOS development. How to build a simple list view.
Anoto Bluetooth Digital Pen on Android OS
A digital pen solution for Android OS.
Programmatically Injecting Events on Android – Part 1
Three possible solutions for injecting events (both keys or touch events) in Android.
Posted inElectronics Hardware Image processing Optics Photography
Canon S2 IS CCD Repair and IR Mod
A quick CCD replacement for my Canon S2 IS camera. CCD IR filter removed to enable IR photography options.
Posted inElectronics Hardware Software
AVR Studio 5 snprintf / vsnprintf problem with Floats
How to fix the problem with Float variables in AVR Studio
Posted inBlackBerry Software
BlackBerry Splash Screen
A tutorial with code that presents an easy way to show a splash screen in your Blackberry application. Show the first Splash-Screen, wait a few miliseconds, than load the rest of your application.
Posted inBlackBerry Software
Developing for Blackberry -part 2-
An updated article on some very basic first steps with Blackberry programming. Tools, sample app, and how to get it running.
Android 4.0 (Ice Cream Sandwich) Emulator How-to
A quick guide on how to configure an Android 4.0 Emulator image.
Android BluetoothClass Major Service Classes, Minor and Major Device Classes
Learn how to get over some limitations in Android Bluetooth SDK to read the Bluetooth COD (Major, minor classes) for a given Bluetooth device.
Android getSharedPreferences NullPointerException
Avoid the NullPointerException error when using the getSharedPreferences on Android.
Auto Start Android Service on Boot
Learn how to make an autostartable service on Android OS, using the BOOT_COMPLETED notification.
How to list symbols in a .so file
A simple way to extract the symbols in .so files.
Android “Unable to open sync connection” error
How to fix the Unable to open sync connection, displayed in Eclipse Console by Android SDK tools.
Posted inSoftware
Fukushima plant time lapse video March
A timelapse video of the Geothermal power plant in Yanaizu-Nishiyama, Fukushima . Daylight time in 4 minutes.
Android overriding Menu key to disable keyboard popup
The standard functionality on Android devices makes the software keyboard popup every time the Menu is long pressed. This may be annoying or unwanted. Here's how to disable it.
Android 9 Patch images for custom controls
Design custom shaped corners Edittexts or TextViews, or any other kind of Android interface controls, using 9 patch images that keep their aspect when stretched.
Android Contacts – a simple Contact Selector
The Android Contacts tutorial part 5, here I show a robust solution for selecting a contact from a list. A filter/search mechanism is also implemented using the SimpleCursorAdapter.
Android Contacts – Searching for contacts
Part 4 of Android Contacts tutorial presents an easy way to programatically search and retrieve a contact and all the fields we are interested in such as Phone, Email, Web, Company, Address, etc.
Android Contacts – Invoke the Edit Contact Intent
In Android Contacts tutorial part 3, I present a simple way of opening a contact in the System contact form using the ACTION_EDIT Intent .
Android Contacts – Custom Contact column to get the LOOKUPKEY
Part 2 of the Android Contacts tutorial, showing how to add a custom column to a contact, and how to use that to identify a newly added contact and read its LOOKUPKEY.
Android Contacts – Add a new Contact using ContentProvider
Part 1 of a tutorial on working with Android Contacts: add a new contact programatically, including name, email, company, phone but also a thumbnail contact image .
Android WebBrowser using WebView
A few easy steps for an Internet Web Browser for Android. Learn how to use a Webview, load pages, inject Javascript, read the HTML source code and more.
Android GUI with Header+Scrollable Content+Footer
Create an Android GUI with Header, middle scrollable content, and a footer.
Android PhotoPicker using Intents and Gallery
Learn how to Invoke the Android Gallery Intent to pick a photo and get the path in your application. This photo picker returns the image path directly in your application.
Android Custom Complex Listview with Header (no XML)
Create a dynamic (no XML) listview with header with all the bells and whistles. Learn how to use the item position to change its background and content for a complex result.
Android Unique Device ID
Learn to read an unique device ID from your Android phone or tablet. Use the ID to generate software security keys or for cryptography applications.
Developing for Android – the SDK – update 2011
Get started with Android Java development – a tutorial with detailed steps and lots of pictures to help you make your first android application. Use Eclipse and the Android SDK.
Android Vertical TextView / Custom Angle Text
Learn how to create a Custom TextView class that can draw vertical text or rotate the text to any given angle. Easy!