Android Development Notes

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Hiding the Activity Titlebar

public void onCreate(Bundle savedInstanceState) {
    //Remove title bar

    //Remove notification bar
    this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);

    //Launch the Main layout

Software Keyboard: Next

The "next" soft button or the TAB key is looking for the next "down" focus.


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