User Interface - 1312182

1. Layout

1.1. ConstraintLayout

1.2. RelativeLayout

1.3. LinearLayout

1.4. GridLayout

1.5. FrameLayout

2. Look and Feel

2.1. TextView

2.1.1. EditText

2.1.2. Button

2.1.2.1. CheckBox

2.1.2.2. RadioButton

2.1.2.3. ToggleButton

2.2. ProgressBar

2.3. ImageView

2.4. Spinner

2.5. Pickers