RelativeLayout

1. Vertical: Demonstrates a simple relative layout.
2. Simple Form: Demonstrates a more complex relative layout to create a form.

LinearLayout

1. Vertical: Demonstrates a simple LinearLayout, with child width set to WRAP_CONTENT.
2. Vertical (Fill Screen): Demonstrates a simple LinearLayout, with child width set to MATCH_PARENT.
3. Vertical (Padded): Demonstrates a LinearLayout where one of the elements can expand to fill any remaining screen space (weight=1).
4. Horizontal: Demonstrates a horizontal LinearLayout, plus an expanding column.
5. Simple Form: Demonstrates nested layouts to create a user form.
6. Uniform Size: LinearLayout which uses a combination of wrap_content on itself and match_parent on its children to get every item to be the same width.
7. Fill Parent: Demonstrates a horizontal linear layout with equally sized columns. Some columns force their height to match the parent.
8. Gravity: Demonstrates a simple linear layout with menu options demonstrating horizontal and vertical gravity options.
9. Layout Weight: Demonstrates how the layout_weight attribute can shrink an element too big to fit on screen.

ScrollView

1. Short: Demonstrates scrolling screen with buttons altermating with a text view.
2. Long: Demonstrates a longer scrolling screen similar to ScrollView1.

TableLayout

1. Basic: Demonstrates a basic TableLayout with identical children.
2. Empty Cells: Demonstrates a TableLayout with column-spanning rows and different child objects.
3. Long Content: Rows have different number of columns and content doesn't fit on screen: column 4 of row 2 shrinks all of the other columns
4. Stretchable: Demonstrates a TableLayout with a stretchable column.
5. Spanning and Stretchable: Demonstrates a complex TableLayout with spanning columns and stretchable columns to create a menu-like layout.
6. More Spanning and Stretchable: Similar to example 5, but with an additional "checked" column.
7. Column Collapse: Similar to example 6, but now with buttons on the bottom of the screen that enable you dynamically hide or show columns.
8. Toggle Stretch: Demonstrates toggling the "stretch" value on a column to fill the screen width.
9. Toggle Shrink: Demonstrates toggling the "shrink" value on a column to make an over-wide table shrink to fit the screen size.
10. Simple Form: Demonstrates using a table to design a user form.
11. Gravity: Demonstrates the use of advanced gravity attributes, such as center_horizontal and right|bottom to align cell contents in a table.
12. Various Widths: Demonstrates the use of elements of various widths in a table.

Baseline

Demonstrates the use of the android:layout_alignBaseline XML attribute in various page layouts.

1. Top: Demonstrates the default baseline alignment in a simple LinearLayout with items at the top of the screen.
2. Bottom: Demonstrates the default baseline alignment in a simple LinearLayout with items at the bottom of the screen.
3. Center: Demonstrates the default baseline alignment in a simple LinearLayout with items in the center of the screen.
4. Everywhere: Demonstrates the default baseline alignment in a complex LinearLayout.
6. Multi-line: Demonstrates a baseline alignment with a multiline field.
7. Relative: Demonstrates baseline alignment in a RelativeLayout.
BaselineNested1: Demonstrates baseline aligning specific elements in three parallel vertical LinearLayout objects.
BaselineNested2: Demonstrates baseline aligning specific elements in three mixed vertical and horizontal LinearLayout objects.
BaselineNested3: Demonstrates baseline alignment within nested LinearLayout objects.

Radio Group

Radio Group: Demonstrates using radio buttons and capturing the selected item.

ScrollBars

1. Basic: Demonstrates a scrollable LinearLayout object.
2. Fancy: Demonstrates a scrollable LinearLayout object with a custom thumb slider image.

Visibility

Visibility: Demonstrates toggling the visibility of a View object between visible, invisible, and gone.

Lists

1. Array: Demonstrates binding a ListAdapter to a string array as a data source, and displaying the elements on the screen.
2. Cursor (People): Demonstrates binding results from a database query to a field in a template.
3. Cursor (Phones): Demonstrates binding multiple columns from a database query to fields in a template.
4. ListAdapter: Demonstrates implementing a custom ListAdapter to return View objects laid out in a custom manner.
5. Separators: Demonstrates implementing a custom ListAdapter that includes separators between some items.
6. ListAdapter Collapsed: Demonstrates another custom list adapter with that returns expandible items.
7. Cursor (Phones): Demonstrates a list adapter where data comes from a Cursor object.
8. Photos: Demonstrates a list activity that uses a custom ListAdapter, setting the view for an empty item, and also how to customize the layout of a ListActivity.
9. Array (Overlay)
10. Single choice list
11. Multiple choice list
12. Transcript
13. Slow Adapter
14. Efficient Adapter
15. Selection Mode: Demonstrates the use of selection Contextual Action mode to select multiple items in a list activity.
16. Border selection mode: Demonstrates a multi-select list activity that uses the simple_selectable_list_item border layout for selected items.

Custom

CustomView: Demonstrates implementing a custom view subclass.

ImageButton

ImageButton: Demonstrates an ImageButton: a button with an arbitrary graphic on it.

Date Widgets

1. Dialog: Demonstrates the DatePickerDialog and TimePickerDialog picker dialogs.
2. Inline: Demonstrates using a TimePicker directly in a layout without using a confirmation button or dialog.

Gallery

1. Icons: Demonstrates implementing a Gallery widget and extending GalleryAdapter to create a custom class to serve out source images to the widget.
2. People: Demonstrates populating a Gallery with images from the contacts photos.

Spinner

Spinner: Demonstrates populating two Spinner widgets with values.

Grid

1. Icon Grid: Demonstrates populating a GridView widget with a list of applications using a custom ListAdapter object.
2. Photo Grid: Demonstrates populating a GridView widget with images using a custom ListAdapter object.

ImageSwitcher

ImageSwitcher: Demonstrates using the ImageSwitcher widget with a custom Adapter.

TextSwitcher

TextSwitcher: Demonstrates using the TextSwitcher widget.

Animation

1. Shake: Demonstrates a simple tweened animation (android.view.animation.Animation).
2. Push: Demonstrates a variety of transformations (android.view.animation.Animation), including fading, motion, and rotation.

Drag and Drop

Drag and Drop Demo: Demonstrates how to perform drag and drop using an OnDragListener. (Uses the DraggableDot class.)

Controls

1. Light Theme: Demonstrates a variety of common form type widgets, such as check boxes and radio buttons using the light theme.

2. Dark Theme: Demonstrates a variety of common form type widgets, such as check boxes and radio buttons using the dark theme.

3. Holographic Light Theme: Demonstrates a variety of common form type widgets, such as check boxes and radio buttons using the light holographic theme.

4. Holographic Dark Theme: Demonstrates a variety of common form type widgets, such as check boxes and radio buttons using the dark holographic theme.

5. Custom Theme: Demonstrates a variety of common form type widgets, such as check boxes and radio buttons using a custom theme based on the light theme.

6. Holo or Old Theme: Demonstrates a variety of common form type widgets, such as check boxes and radio buttons using a custom theme that uses either the traditional or holo theme depending on the version of the platform.

Auto Complete

1. Screen Top: Demonstrates the use of AutoCompleteTextView, an autocomplete dropdown box below a text box, with data taken from an array.
2. Screen Bottom: Demonstrates an autocomplete box above a text box.
3. Scroll: Demonstrates an autocomplete text box in the midst of a vertical list.
4. Contacts: Demonstrates an autocomplete text box that gets its content from a database query.
5. Contacts with Hint: Demonstates an autocomplete text box that understands the * wildcard.

Progress Bar

1. Incremental: Demonstrates large and small rotating progress indicators that can be incremented or decremented in units.
2. Smooth: Demonstrates large and small continuously rotating progress indicators used to indicate a generic "busy" message.
3. Dialogs: Demonstrates a ProgressDialog, a popup dialog that hosts a progress bar. This example demonstrates both determinate and indeterminate progress indicators.

Focus

1. Vertical: Demonstrates how to block selection of a specific screen element.
2. Horizontal: Demonstrates how to change the order of which screen element is selected when the user presses arrow keys.
3. Circular: Another version of Focus2.