Dialogs Importance of Good UI Building UI - basics revisited Building Beautiful UI Animations Hardwares and Sensors

1. Android
Advance UI - Part 2

2. Previous Sessions
ListView - more customization, GridView
More UI - CheckBox, RadioButton, ProgressBar, Pickers, WebView

3. Today’s agenda
Dialogs
Importance of Good UI
Building UI - basics revisited
Building Beautiful UI
Animations
Hardwares and Sensors

4. Dialogs

5. Dialogs

6. Dialogs
To show alert messages to user.
To ask for user confirmation before doing some critical task.
To ask user to select an option from given options.
***

7. Why Good UI is Important
Smooth performance.
Attracts users and keeps them.
Does not irritate users.
Does what is expected.

9. Beauty is Important
“No matter how useful or how good your app is, if its UI is not awesome it will have very
few chances of remaining there in your user’s device.”
Bad UI =

10. Bad UI

11. Building UI - revisiting basics

12. Building UI - revisiting basics
A layout is combination of ‘ViewGroups’ and ‘Views’.
ViewGroup holds Views (and other ViewGroups) objects.
Every view component is either View or ViewGroup.
● Button, TextView, ImageView, EditText → View
● LinearLayout, RelativeLayout, ListView, RadioGroup → ViewGroup

13. Building UI - revisiting basics

14. Building UI - revisting basics

15. Building UI - revisiting basics

16. Building UI - revising basics

17. Creating beautiful UI
Change view in Java
Create custom components
Styles and themes
Custom drawables

18. Creating and changing UI in Java

19. Styles and Themes
Style:
“Collection of properties that define the look and format of a View component like
color, font size and background color.”

20. Styles and Themes
Themes:
“A Theme is a ‘Style’ applied to whole Activity or Application.”
<application android:theme="@style/CustomTheme">
<style name="CustomTheme" parent="android:Theme.Light">
<item name="android:windowBackground">@color/custom_theme_color</item>
<item name="android:colorBackground">@color/custom_theme_color</item>
</style>
***

21. Using Third Party Libraries

22. Using Third Party Libraries
Create your own customized UI components and reuse them.
Use third party libraries created by expert developers.
● Github
● AndroidArsenal.com
● AndroidWeekly.net
● Jake Wharton
● ...and many more(Just Google it)

23. Animations
View Animations - old and simple
Property Animations - New, useful, realistic, comlex
● The Object to animate, the property, the values
● Can change different properties: int, float, color
● Animation set - mix different animations
● Animation listener
● Interpolator - Accelerate, Bounce, Linear etc.

24. Hardware
Camera
GPS
Speakers/ Audio Jack
Mic
Screen
Charging point/ usb port
Power Button
Wi-fi

25. Hardware
Volume Button
Battery
Sensors
● Light sensor
● Proximity sensor
● Motion sensors - accelerometer, gravity sensors
● Orientation sensors
Finger scanner

26. About Me
Paramvir Singh, Android Developer and Trainer
paramvir.singh88@gmail.com
https://in.linkedin.com/in/paramvir-singh-android-developer-b45b5321