1. Layouts
1.1 LinearLayout:
LinearLayout is a parent view(View Group) for use to aligns all child view in a single direction such as vertically or horizontally for more detail click .
1.2 RelativeLayout
RelativeLayout is same as LinearLayout that displays child views in relative positions for more detail click.1.3 TableLayout
TableLayout is also parent view that child views into rows and columns for more detail click.
1.4 FrameLayout
FrameLayout is Container view that use for display only single view for more detail click.
2. UI Controls
2.1 TextView
this control use for display any text.
2.2 Button
this use for perform event(task) on button click,for know more about Button click.
2.3 ImageButton
this same as Button with Image
2.4 CheckBox
this is use for select multiple options for user, click for more detail.
2.5 EditText
this is use for Enter any text form user.its subclass of TextView, its have editing capability.more information click .
2.6 TimePicker
this is use for select time of day, more click.
2.7 DatePicker
its use for select date,click for more information
2.8 RadioButton
its use for choose one from multiple options by user, click for detail.
2.9 RadioGroup
its use for group RadioButton,click.
3. UI List
3.1 ListView
ListView is use to displays a list by the use of adapter, its scroll by-default.
3.2 GridView
GridView is use for display a list in multiple columns.its also use by Adapter.
4.Other UI Widgets
4.1 Spinner
this is a view for use select one option from multiple. its drop down list.
4.2 AutoCompleteTextView
this is use for get text from user like EditText and its suggest to user when user type any text.
4.3 RatingBar
this is use for display rating
4.4 ProgressBar
this is use for display progress
4.5 ToggleButton
this is use for two options in a single view.
4.6 Toast
this is use for short massage for user.
