Android:Notes: Difference between revisions
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{{DISPLAYTITLE:Android Development Notes}} | {{DISPLAYTITLE:Android Development Notes}} | ||
<div id="tocalign">__TOC__</div> | <div id="tocalign">__TOC__</div> | ||
* [http://developer.android.com/about/dashboards/index.html Android Dashboard] | |||
* [http://developer.android.com/guide/components/index.html Android API Guidelines] | * [http://developer.android.com/guide/components/index.html Android API Guidelines] | ||
Revision as of 23:10, 30 June 2012
Hiding the Activity Titlebar
public void onCreate(Bundle savedInstanceState) {
//Remove title bar
this.requestWindowFeature(Window.FEATURE_NO_TITLE);
//Remove notification bar
this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
//Launch the Main layout
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
}
Software Keyboard: Next
android:nextFocusDown
The "next" soft button or the TAB key is looking for the next "down" focus.
Images
Icon Sizes
- Low-density (ldpi): 36x36
- Medium-density (mdpi): 48x48
- High-density (hdpi): 72x72
- Extra high-density (xhdpi): 96x96
- Recommended Initial Artboard Size: 864x864
Icon Naming Convention
| Asset Type | Prefix | Example |
|---|---|---|
| Icons | ic_ | ic_star.png |
| Launcher icons | ic_launcher | ic_launcher_calendar.png |
| Menu icons and Action Bar icons | ic_menu | ic_menu_archive.png |
| Status bar icons | ic_stat_notify | ic_stat_notify_msg.png |
| Tab icons | ic_tab | ic_tab_recent.png |
| Dialog icons | ic_dialog | ic_dialog_info.png |
External Helpful Links
- Switching Activities and Passing Variables
- NumberPicker Example
- NineOldAndroids: Android library for using the Honeycomb (Android 3.0) animation API on all versions of the platform back to 1.0
- NineOldAndroids GitHub
- android-numberpicker: Android 4.0 NumberPicker backported to 2.1
