Design Architecture

Rakesh Kumar Jha

Creative Vision

Enchant me (charming)

Simplify my life

Make me amazing

Design Principles

Design by Android User Experience Team to keep users' best interests

Use a A beautiful surface

a carefully-placed animation

a well-timed sound effect

Use real objects

Design Principles

Keep data brief

Pictures are equal to 1000 words

Show what I need & when I need

UI overview

Android's system UI provides the framework on top of that you build your app

UI will play an important role to apps

Important UI Play Main Role

Status Bar

• Displays pending notifications on the left and status, such as time, battery level, or signal strength, on the right. Swipe down from the status bar to show notification details.

Navigation Bar

• New for phones in Android 4.0, the navigation bar is present only on devices that don't have the traditional hardware keys. It houses the device navigation controls Back, Home, and Recents, and also displays a menu for apps written for Android 2.3 or earlier.

Style

What is Style ?

How it works ?

What are important feature of Style ?

Why we prefer to use Style ?

Devices & Displays

Millions of devices are

LDPI (120 DPI)

MDPI (160 DPI)

HDPI (240 DPI)

XHDPI (320 DPI)

categories in 4 types –

xhdpi: 2.0

hdpi: 1.5

mdpi: 1.0 (baseline)

ldpi: 0.75

Typographic Scale

Color

Choose colors that fit with your brand

Blue is the standard accent color in Android's color palette.

Iconography

Take care when using icon to apps

Sizes & scale

Style

Writing Text

Keep it brief

Keep it simple

Be friendly

Put the most important things first

Describe only what’s necessary

Avoid repetition

Themes

Themes are Android's mechanism for applying a consistent style to an app or activity.

Android will provide you 3 default themes –

Holo Light

Holo Dark

Holo Light with dark action bars

Themes

Themes are Android's mechanism for applying a consistent style to an app or activity.

Android will provide you 3 default themes –

Holo Light

Holo Dark

Holo Light with dark action bars

Patterns

What are the new pattern in Android

Why to prioritize patterns

New in Android

What are the new pattern in Android

Why to prioritize patterns

Different types of Gestures

Patterns

What are the new pattern in Android

Why to prioritize patterns