Android Tutorial

Android, an open source operating system for mobile devices (Smartphone and tablet), led by Google. The Android SDK provides a set of tools and APIs to develop Android applications, using Java. So, if you know Java, Android programming is easy :)

In this series of tutorials, we show you the list of basic tutorials to get you start program Android easily.

Note
All Android tutorials are developed in Eclipse 3.7, and tested with Android 2.3.3.

P.S This is just the initial version of Android tutorials, will keep publishing more in future.

1. Quick Start

Get you start in Android programming.

• Android hello world example
  Tools and SDK to develop Android applications.

2. Fundamentals

Some Android basic stuffs.

• Android activity example
  Understand Android’s activity, a simple example to navigate from one screen (activity) to another screen (activity).
• Android wrap_content and fill_parent example
  The different between wrap_content and fill_parent to control the component’s width and height.
• Attach Android source code to Eclipse IDE
  Android source code is important to understand how Android works, a guide to attach Android’s source code to Eclipse IDE.

3. User Interface Controls

Play with Android UI controls.

• Android button example
  Use “Button” to display a simple button.
• Android textbox example
  Use “EditText” to render an editable textbox component.
• Android password example
  Use “EditText” + inputType=”textPassword” to render a password component.
• Android checkbox example
  Use “CheckBox” to render the checkbox component.
• Android radio buttons example
  Use “RadioButton” and “RadioGroup” to render radio button component in the group.
• Android toggle button example
  Use “ToggleButton” to render a button which has only two states (On and Off).
• Android rating bar example
  Use “RatingBar” to render a rating bar in stars icon.
• Android spinner (drop down list) example
  Use “Spinner” to render a drop down box for selecting items.
• Android date picker example
  Use “DatePicker” and “DatePickerDialog” to render a date picker component.
• Android time picker example
  Use “TimePicker” and “TimePickerDialog” to render a time picker component.
• Android analogclock and digitalclock example
  Use “AnalogClock” and “DigitalClock” to render a clock like component, which supports hours, minutes and seconds.
• Android progress bar example
  Use “ProgressDialog” to display a progress bar in dialog to tell us that your task takes time to finish.
• Android alert dialog example
  How to display an alert box.
• Android prompt dialog example
  Custom AlertDialog example.
• Android custom dialog example
  Custom Dialog example.
• Android Toast example
  Custom Toast view example.
• Android ImageView example
  Use “ImageView” to display an image file.
• Android ImageButton example
  Use “ImageButton” to display a button with a customized background image.
• Android ImageButton selector example
  Use “Button” and “selector” tag to display buttons’ images depend on the button states.

4. Layouts

Play with Android layout controls.

• Android LinearLayout example
  Most common layouts, arranges components in horizontal or vertical order.
• Android RelativeLayout example
  Most flexible layouts, arranges components based on the “relative” or sibling component.
• Android TableLayout example
  Most flexible layout, arranges components in row and column format, just like HTML table , <tr> and <td>.
• Android ListView example
  Display components in a vertical scrollable list.
• Android GridView example
  Display componenets in a two-dimensional scrolling grid.
• Android WebView example
  Allow you to open an own windows for viewing URL or custom html markup page.

5. FAQs

Some common asked questions in Android.

• How to open an URL in Android’s web browser
• How to set default activity for Android application
• How to make a phone call in Android
• Where to download Samsung Galaxy S2 USB driver?
• Android debugging on real device
• Android – How to center button on screen
• How to turn on/off camera LED/flashlight in Android
• Android : how to check if device has camera
• How to send SMS message in Android
• How to send Email in Android
• Android : The connection to adb is down, and a severe error has occurred.