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Simple Android Show Password login form
Posted inAndroid

Simple Android Show Password login form

Posted by By Radu Motisan June 28, 2021
Android added this functionality already, but for my target deployment I had to implement it…
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Android Open Source Audio player using MediaCodec API
Posted inAndroid Software

Android Open Source Audio player using MediaCodec API

Posted by By Radu Motisan June 1, 2014
An open source android library project implementing a versatile audio player that supports the most used audio formats Mp3, AAC, Vorbis, WMA and more.
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Complex Android GridView with Drag and Drop functionality
Posted inAndroid Software

Complex Android GridView with Drag and Drop functionality

Posted by By Radu Motisan November 25, 2013
A tutorial on how to add Drag and Drop functionality to a gridview control.
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Simple Gridview Control for Android
Posted inAndroid Software

Simple Gridview Control for Android

Posted by By Radu Motisan November 24, 2013
Build a custom gridview control for Android, programmatically.
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Custom Rotary Knob Control for Android
Posted inAndroid Software

Custom Rotary Knob Control for Android

Posted by By Radu Motisan November 5, 2013
A custom control for Android that can be used to adjust the volume and to toggle between on/off state at the same time.
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A 3D Carousel View for Android
Posted inAndroid Software

A 3D Carousel View for Android

Posted by By Radu Motisan June 13, 2013
Create a beautiful custom 3D carousel view, to give your Android user interfaces a modern look. Sample code included under GPL v2.
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Android tiled background
Posted inAndroid Software

Android tiled background

Posted by By Radu Motisan June 13, 2013
Learn how to create a simple tiled background for Android applications using Java code.
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How to scale an Android UI on multiple screens
Posted inAndroid Software

How to scale an Android UI on multiple screens

Posted by By Radu Motisan April 15, 2013
Learn how to scale an user interface to maintain the same aspect ratio, while running the same code on various Android devices.
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Programmatically Injecting Events on Android – Part 2
Posted inAndroid Security Software

Programmatically Injecting Events on Android – Part 2

Posted by By Radu Motisan January 30, 2013
A JNI Library for Android, to inject keys and touches but also listen for incoming input events to and from all applications, available as Open Source under GPL.
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Android Overlay Mouse Cursor
Posted inAndroid Software

Android Overlay Mouse Cursor

Posted by By Radu Motisan July 27, 2012
Learn how to create a mouse cursor in Android OS programatically, using Overlay Views.
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Android default orientation and orientation change events
Posted inAndroid Software

Android default orientation and orientation change events

Posted by By Radu Motisan July 24, 2012
Find the default orientation on Android devices, and intercept orientation changes even for activities locked in portrait or landscape mode.
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Anoto Bluetooth Digital Pen on Android OS
Posted inAndroid Research Reviews Software

Anoto Bluetooth Digital Pen on Android OS

Posted by By Radu Motisan May 26, 2012
A digital pen solution for Android OS.
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Programmatically Injecting Events on Android – Part 1
Posted inAndroid Software

Programmatically Injecting Events on Android – Part 1

Posted by By Radu Motisan April 29, 2012
Three possible solutions for injecting events (both keys or touch events) in Android.
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Android 4.0 (Ice Cream Sandwich) Emulator How-to
Posted inAndroid Software

Android 4.0 (Ice Cream Sandwich) Emulator How-to

Posted by By Radu Motisan December 10, 2011
A quick guide on how to configure an Android 4.0 Emulator image.
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Android BluetoothClass Major Service Classes, Minor and Major Device Classes
Posted inAndroid Software

Android BluetoothClass Major Service Classes, Minor and Major Device Classes

Posted by By Radu Motisan October 26, 2011
Learn how to get over some limitations in Android Bluetooth SDK to read the Bluetooth COD (Major, minor classes) for a given Bluetooth device.
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Posted inAndroid Software

Android getSharedPreferences NullPointerException

Posted by By Radu Motisan October 16, 2011
Avoid the NullPointerException error when using the getSharedPreferences on Android.
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Posted inAndroid Software

Auto Start Android Service on Boot

Posted by By Radu Motisan October 16, 2011
Learn how to make an autostartable service on Android OS, using the BOOT_COMPLETED notification.
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Android “Unable to open sync connection” error
Posted inAndroid Software

Android “Unable to open sync connection” error

Posted by By Radu Motisan July 22, 2011
How to fix the Unable to open sync connection, displayed in Eclipse Console by Android SDK tools.
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Android overriding Menu key to disable keyboard popup
Posted inAndroid Software

Android overriding Menu key to disable keyboard popup

Posted by By Radu Motisan March 19, 2011
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.
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Android 9 Patch images for custom controls
Posted inAndroid Software

Android 9 Patch images for custom controls

Posted by By Radu Motisan March 19, 2011
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.
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Android Contacts – a simple Contact Selector
Posted inAndroid Software

Android Contacts – a simple Contact Selector

Posted by By Radu Motisan March 19, 2011
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.
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Android Contacts – Searching for contacts
Posted inAndroid Software

Android Contacts – Searching for contacts

Posted by By Radu Motisan March 19, 2011
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.
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Android Contacts – Invoke the Edit Contact Intent
Posted inAndroid Software

Android Contacts – Invoke the Edit Contact Intent

Posted by By Radu Motisan March 19, 2011
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 .
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Android Contacts – Custom Contact column to get the LOOKUPKEY
Posted inAndroid Software

Android Contacts – Custom Contact column to get the LOOKUPKEY

Posted by By Radu Motisan March 19, 2011
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.
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Android Contacts – Add a new Contact using ContentProvider
Posted inAndroid Software

Android Contacts – Add a new Contact using ContentProvider

Posted by By Radu Motisan March 19, 2011
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 .
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Android WebBrowser using WebView
Posted inAndroid Software

Android WebBrowser using WebView

Posted by By Radu Motisan March 18, 2011
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.
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Android GUI with Header+Scrollable Content+Footer
Posted inAndroid Software

Android GUI with Header+Scrollable Content+Footer

Posted by By Radu Motisan March 18, 2011
Create an Android GUI with Header, middle scrollable content, and a footer.
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Android PhotoPicker using Intents and Gallery
Posted inAndroid Software

Android PhotoPicker using Intents and Gallery

Posted by By Radu Motisan February 2, 2011
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.
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Android Custom Complex Listview with Header (no XML)
Posted inAndroid Software

Android Custom Complex Listview with Header (no XML)

Posted by By Radu Motisan February 1, 2011
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.
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Android Unique Device ID
Posted inAndroid Security Software

Android Unique Device ID

Posted by By Radu Motisan February 1, 2011
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.
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