Slide 1

Slide 1 text

Pabi Moloi @pabiforbes www.peckishpabi.co.za Android Engineer

Slide 2

Slide 2 text

Theming In Android Color Typography Style Theme

Slide 3

Slide 3 text

What is theming, and why is it important?

Slide 4

Slide 4 text

Material Components implementation "com.google.android.material:material:$material_version"

Slide 5

Slide 5 text

Theming In Android Color Typography Style Theme

Slide 6

Slide 6 text

Theming In Android Blog

Slide 7

Slide 7 text

No content

Slide 8

Slide 8 text

No content

Slide 9

Slide 9 text

No content

Slide 10

Slide 10 text

So how should we ideally name our colors?

Slide 11

Slide 11 text

Colors have names :)

Slide 12

Slide 12 text

Parmesan

Slide 13

Slide 13 text

Material Color Tool

Slide 14

Slide 14 text

#f9a825 #ffd95a #c17900 #ffffff #ffffff #25cccccc #ffffff #000000

Slide 15

Slide 15 text

#f9a825 #ffd95a #c17900 #ffffff #ffffff #25cccccc #ffffff #000000

Slide 16

Slide 16 text

Give colors their names!

Slide 17

Slide 17 text

#d32f2f #F9A825 #ffd95a #c17900 #ffffff #25CCCCCC #000000

Slide 18

Slide 18 text

<item name="colorPrimary">@color/mustard</item> <item name= "colorOnPrimary">@color/white</item> <item name="colorPrimaryDark">@color/dark_mustard</item> <item name="colorAccent">@color/red</item> <item name="colorSecondary">@color/white</item> <item name="colorOnSecondary">@color/black</item>

Slide 19

Slide 19 text

Recap - Color - Give colors names, which helps in the reduction of duplication. - “On” colours are usually used for iconography, text, and strokes

Slide 20

Slide 20 text

Theming In Android Color Typography Style Theme

Slide 21

Slide 21 text

Typography

Slide 22

Slide 22 text

Attributes ● textAppearanceHeadline1 - textAppearanceHeadline6 ● textAppearanceSubtitle1 - textAppearanceSubtitle2 ● textAppearanceBody1 - textAppearanceBody2 ● textAppearanceCaption ● textAppearanceButton ● textAppearanceOverline

Slide 23

Slide 23 text

No content

Slide 24

Slide 24 text

...

Slide 25

Slide 25 text

<item name="android:letterSpacing">0</item> ...

Slide 26

Slide 26 text

<item name="android:letterSpacing">0</item> <item name="android:textAllCaps">false</item> ...

Slide 27

Slide 27 text

<item name="android:letterSpacing">0</item> <item name="android:textAllCaps">false</item> <item name="android:textSize">24sp</item> ...

Slide 28

Slide 28 text

<item name="android:letterSpacing">0</item> <item name="android:textAllCaps">false</item> <item name="android:textSize">24sp</item> <item name="android:textStyle">normal</item>

Slide 29

Slide 29 text

No content

Slide 30

Slide 30 text

Theming In Android Color Typography Style Theme

Slide 31

Slide 31 text

Style

Slide 32

Slide 32 text

Font Color Font Size Background Colour Padding MinHeight MinWidth ...

Slide 33

Slide 33 text

<item name="android:letterSpacing">0</item> <item name="android:textAllCaps">false</item> <item name="android:textSize">24sp</item> <item name="android:textStyle">normal</item>

Slide 34

Slide 34 text

No content

Slide 35

Slide 35 text

...

Slide 36

Slide 36 text

<item name="backgroundTint">@color/mustard</item> <item name="tint">@color/white</item> <item name="rippleColor">@color/white</item>

Slide 37

Slide 37 text

Slide 38

Slide 38 text

Theming In Android Color Typography Style Theme

Slide 39

Slide 39 text

Theme

Slide 40

Slide 40 text

...is a type of style that is applied to: ● The entire application ● Activity ● View Hierarchy

Slide 41

Slide 41 text

<item name="colorPrimary">@color/mustard</item> <item name= "colorOnPrimary">@color/white</item> <item name="colorPrimaryVariant">@color/yellow</item> <item name="colorPrimaryDark">@color/dark_mustard</item> <item name="colorAccent">@color/red</item> <item name="colorSecondary">@color/white</item> <item name="colorOnSecondary">@color/black</item> <item name="android:windowBackground">@color/white</item>

Slide 42

Slide 42 text

Dark Theme

Slide 43

Slide 43 text

No content

Slide 44

Slide 44 text

...

Slide 45

Slide 45 text

...

Slide 46

Slide 46 text

AppCompatDelegate.setDefaultNightMode (AppCompatDelegate.MODE)

Slide 47

Slide 47 text

Modes: ● MODE_NIGHT_FOLLOW_SYSTEM ● MODE_NIGHT_YES ● MODE_NIGHT_NO ● MODE_NIGHT_AUTO_BATTERY

Slide 48

Slide 48 text

Honourable Mention: ● MODE_NIGHT_AUTO_TIME ● MODE_NIGHT_AUTO

Slide 49

Slide 49 text

What to keep at the back of your mind: Android’s Style Hierarchy

Slide 50

Slide 50 text

View Specific Styling Theme Default Styling Applying a style to a view Setting individual attributes

Slide 51

Slide 51 text

Programmatically applying attributes Character/Paragraph styling