This document discusses various Google libraries that can help with app development on Android, including AppCompat, DrawableCompat, Palette, RecyclerView, NavigationView, and Snackbar. It provides definitions and differences for each library, examples of how they can be used, and motivations for using them such as achieving less fragmentation, better UIs, and more stability with less code. The libraries aim to help with backward compatibility, image tinting, content-driven coloring, efficient recycling of views, improved navigation drawers, and providing feedback to the user.

1. With a little help from my Libs
By Royi Benyossef (+royiby)

2. With a little help from my libs by Royi Benyossef (+royiby)
Android developer since 2009
GDG co-founder (Herzliya)
Android speaker and lecturer
Android Mentor (Google Launchpad, Zell, Siftech etc)
Android GDE 2013, 2014, 2015
Developer relations manager @ Stealth
Royi Benyossef

3. Motivation
Why am i here?

4. With a little help from my libs by Royi Benyossef (+royiby)
Motivation

5. With a little help from my libs by Royi Benyossef (+royiby)
Motivation
Less fragmentation

6. With a little help from my libs by Royi Benyossef (+royiby)
Motivation
- Less fragmentation
Better looking UIs

7. With a little help from my libs by Royi Benyossef (+royiby)
Motivation
- Less fragmentation
- Better looking UIs
More stability

8. With a little help from my libs by Royi Benyossef (+royiby)
Motivation
- Less fragmentation
- Better looking UIs
- More stability
Less boilerplate code

9. With a little help from my libs by Royi Benyossef (+royiby)

10. With a little help from my libs by Royi Benyossef (+royiby)
Google to
the rescue!

11. Compat
support library

12. With a little help from my libs by Royi Benyossef (+royiby)
AppCompat
(Widgets and lifecycles)

13. With a little help from my libs by Royi Benyossef (+royiby)
App compat
Definition Views

14. With a little help from my libs by Royi Benyossef (+royiby)
App compat
Definition Views
Widgets

15. With a little help from my libs by Royi Benyossef (+royiby)
App compat
Definition Views
Widgets
Activities

16. With a little help from my libs by Royi Benyossef (+royiby)
App compat
Definition Views
Widgets
Activities
Dialogs

17. With a little help from my libs by Royi Benyossef (+royiby)
App compat
Definition Views
Widgets
Activities
Dialogs }Backward
Compatible

18. With a little help from my libs by Royi Benyossef (+royiby)
App compat
Definition Backward compatible app
components

19. With a little help from my libs by Royi Benyossef (+royiby)
App compat
- Definition
AC*Activity
Replaces ActionBarActivity

20. With a little help from my libs by Royi Benyossef (+royiby)
App compat
- Definition
AC*Activity
Replaces ActionBarActivity
Consistent theming

21. With a little help from my libs by Royi Benyossef (+royiby)
App compat
- Definition
AC*Activity
Replaces ActionBarActivity
Consistent theming
Tinting

22. With a little help from my libs by Royi Benyossef (+royiby)
App compat
- Definition
AC*Activity
Replaces ActionBarActivity
Consistent theming
Tinting
Lifecycle

23. With a little help from my libs by Royi Benyossef (+royiby)
App compat
- Definition
AC*Activity
Replaces ActionBarActivity
Consistent theming
Tinting
Lifecycle
Appbar

24. With a little help from my libs by Royi Benyossef (+royiby)
App compat
- Definition
- AC*Activity
AC*Delegate
AppCompat capabilities

25. With a little help from my libs by Royi Benyossef (+royiby)
App compat
- Definition
- AC*Activity
AC*Delegate
AppCompat capabilities
Works on all Activities

26. With a little help from my libs by Royi Benyossef (+royiby)
App compat
- Definition
- AC*Activity
- AC*Delegate
AC*Dialog
Material design

27. With a little help from my libs by Royi Benyossef (+royiby)
App compat
- Definition
- AC*Activity
- AC*Delegate
AC*Dialog
Material design
Marshmallow lifecycle

28. With a little help from my libs by Royi Benyossef (+royiby)
App compat
- Definition
- AC*Activity
- AC*Delegate
AC*Dialog
Material design
Marshmallow lifecycle
New animations

29. With a little help from my libs by Royi Benyossef (+royiby)
DrawableCompat
(Image tinting)

30. With a little help from my libs by Royi Benyossef (+royiby)
Drawable compat
Definition Tintable views (AppCompat)

31. With a little help from my libs by Royi Benyossef (+royiby)
Drawable compat
Definition Tintable views (AppCompat):
>*AutoCompleteTextView

32. With a little help from my libs by Royi Benyossef (+royiby)
Drawable compat
Definition Tintable views (AppCompat):
*AutoCompleteTextView
>*Button

33. With a little help from my libs by Royi Benyossef (+royiby)
Drawable compat
Definition Tintable views (AppCompat):
*AutoCompleteTextView
*Button
>*Checkbox

34. With a little help from my libs by Royi Benyossef (+royiby)
Drawable compat
Definition Tintable views (AppCompat):
*AutoCompleteTextView
*Button
*Checkbox
>*Spinner

35. With a little help from my libs by Royi Benyossef (+royiby)
Drawable compat
Definition Tintable views (AppCompat):
*AutoCompleteTextView
*Button
*Checkbox
*Spinner
>...more!

36. With a little help from my libs by Royi Benyossef (+royiby)
Drawable compat
- Definition
Usages
Branding

37. With a little help from my libs by Royi Benyossef (+royiby)
Drawable compat
- Definition
Usages
Branding
Less drawables (less size)

38. With a little help from my libs by Royi Benyossef (+royiby)
Drawable compat
- Definition
Usages
Branding
Less drawables (less size)
Reuse w/o repetition

39. With a little help from my libs by Royi Benyossef (+royiby)
DrawableCompat
(Example)

40. With a little help from my libs by Royi Benyossef (+royiby)
Drawable compat
CustomView .wrap(drawable)

41. With a little help from my libs by Royi Benyossef (+royiby)
Drawable compat
CustomView .wrap(drawable) =
> setTint()

42. With a little help from my libs by Royi Benyossef (+royiby)
Drawable compat
CustomView .wrap(drawable) =
setTint()
> setTintList()

43. With a little help from my libs by Royi Benyossef (+royiby)
Drawable compat
CustomView .wrap(drawable) =
setTint()
setTintList()
> setTintMode()

44. With a little help from my libs by Royi Benyossef (+royiby)
Content driven coloring
(a.k.a palette)

45. With a little help from my libs by Royi Benyossef (+royiby)
Content driven coloring
Definition Match colors to content

46. With a little help from my libs by Royi Benyossef (+royiby)
Content driven coloring
Definition Match colors to content
Create diversity and interest

47. With a little help from my libs by Royi Benyossef (+royiby)
Content driven coloring
- Definition
Palette
Introduced in lollipop

48. With a little help from my libs by Royi Benyossef (+royiby)
Content driven coloring
- Definition
Palette
Introduced in lollipop
Retrieve color from content

49. With a little help from my libs by Royi Benyossef (+royiby)
Content driven coloring
- Definition
Palette
Introduced in lollipop
Retrieve color from content
Choose matching swatch

50. With a little help from my libs by Royi Benyossef (+royiby)
Content driven coloring
- Definition
Palette
Introduced in lollipop
Retrieve color from content
Choose matching swatch
= Profit

51. With a little help from my libs by Royi Benyossef (+royiby)
Content driven coloring
- Definition
Palette
Palette.from(bitmap)

52. With a little help from my libs by Royi Benyossef (+royiby)
Content driven coloring
- Definition
Palette
Palette.from(bitmap)
>6-8 times faster

53. With a little help from my libs by Royi Benyossef (+royiby)
Content driven coloring
- Definition
Palette
Palette.from(bitmap)
6-8 times faster
> sync and async

54. With a little help from my libs by Royi Benyossef (+royiby)
Interpolators
(Authentic motion is important)

55. With a little help from my libs by Royi Benyossef (+royiby)
Interpolators
Definition Controllers for animation
change rate

56. With a little help from my libs by Royi Benyossef (+royiby)
Interpolators
- Definition
Diff
Fast out linear in

57. With a little help from my libs by Royi Benyossef (+royiby)
Interpolators
- Definition
Diff
Fast out linear in
Fast out slow in

58. With a little help from my libs by Royi Benyossef (+royiby)
Interpolators
- Definition
Diff
Fast out linear in
Fast out slow in
Linear out slow in

59. With a little help from my libs by Royi Benyossef (+royiby)
Interpolators
- Definition
Diff
Fast out linear in
Fast out slow in
Linear out slow in
PathInterpolarCompat

60. With a little help from my libs by Royi Benyossef (+royiby)
RecyclerView
(ListView is just a fading memory)

61. With a little help from my libs by Royi Benyossef (+royiby)
RecyclerView
Definition Replaced ListView in Lollipop

62. With a little help from my libs by Royi Benyossef (+royiby)
RecyclerView
- Definition
SortedList
Sorted list of custom objects

63. With a little help from my libs by Royi Benyossef (+royiby)
RecyclerView
- Definition
SortedList
Sorted list of custom objects
Efficient CRUD event dispatch

64. With a little help from my libs by Royi Benyossef (+royiby)
RecyclerView
- Definition
SortedList
Sorted list of custom objects
Efficient CRUD event dispatch
Changes batching

65. With a little help from my libs by Royi Benyossef (+royiby)
Leanback
(AndroidTV best practices)

66. With a little help from my libs by Royi Benyossef (+royiby)
Leanback
Definition GuidanceView

67. With a little help from my libs by Royi Benyossef (+royiby)
Leanback
Definition GuidanceView
Classes & themes

68. With a little help from my libs by Royi Benyossef (+royiby)
Leanback
Definition GuidanceView
Classes & themes
Multi-step process

69. With a little help from my libs by Royi Benyossef (+royiby)
Leanback
Definition GuidanceView
Classes & themes
Multi-step process
App recommendation
support

70. Design
support library

71. With a little help from my libs by Royi Benyossef (+royiby)
NavigationView
(NavigationDrawer++)

72. With a little help from my libs by Royi Benyossef (+royiby)
NavigationView
Definition NavigationDrawer ++

73. With a little help from my libs by Royi Benyossef (+royiby)
NavigationView
Definition NavigationDrawer ++
Clearer navigation

74. With a little help from my libs by Royi Benyossef (+royiby)
NavigationView
Definition NavigationDrawer ++
Clearer navigation
Identity focal point

75. With a little help from my libs by Royi Benyossef (+royiby)
NavigationView
- Definition
Diff
Inflation from .xml

76. With a little help from my libs by Royi Benyossef (+royiby)
NavigationView
- Definition
Diff
Inflation from .xml
Runtime updates

77. With a little help from my libs by Royi Benyossef (+royiby)
NavigationView
- Definition
Diff
Inflation from .xml
Runtime updates
Callbacks

78. With a little help from my libs by Royi Benyossef (+royiby)
Navigation view
- Definition
Diff
Inflation from .xml
Runtime updates
Callbacks
Scrim protection

79. With a little help from my libs by Royi Benyossef (+royiby)
Navigation view
- Definition
Diff
Inflation from .xml
Runtime updates
Callbacks
Scrim protection
Subheaders

80. With a little help from my libs by Royi Benyossef (+royiby)
NavigationView
(Example)

81. With a little help from my libs by Royi Benyossef (+royiby)
NavigationView
Layout <android.support.v4.widget.DrawerLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true">
<!-- your content layout -->
<android.support.design.widget.NavigationView
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_gravity="start"
app:headerLayout="@layout/drawer_header"
app:menu="@menu/drawer"/>
</android.support.v4.widget.DrawerLayout>

82. With a little help from my libs by Royi Benyossef (+royiby)
NavigationView
- Layout
Menu
<group android:checkableBehavior="single">
<item
android:id="@+id/navigation_item_1"
android:checked="true"
android:icon="@drawable/ic_android"
android:title="@string/navigation_item_1"/>
<item
android:id="@+id/navigation_item_2"
android:icon="@drawable/ic_android"
android:title="@string/navigation_item_2"/>
</group>

83. With a little help from my libs by Royi Benyossef (+royiby)
NavigationView
- Layout
- Menu
Subheaders
<item
android:id="@+id/navigation_subheader"
android:title="@string/navigation_subheader">
<menu>
<item
android:id="@+id/navigation_sub_item_1"
android:icon="@drawable/ic_android"
android:title="@string/navigation_sub_item_1"/>
<item
android:id="@+id/navigation_sub_item_2"
android:icon="@drawable/ic_android"
android:title="@string/navigation_sub_item_2"/>
</menu>
</item>

84. With a little help from my libs by Royi Benyossef (+royiby)
EditText
(Labels & hints)

85. With a little help from my libs by Royi Benyossef (+royiby)
EditText
Definition New labels and messages

86. With a little help from my libs by Royi Benyossef (+royiby)
EditText
Definition New labels and messages
More states

87. With a little help from my libs by Royi Benyossef (+royiby)
EditText
Definition New labels and messages
More states
More clarity

88. With a little help from my libs by Royi Benyossef (+royiby)
EditText
- Definition
Diff
Floating labels

89. With a little help from my libs by Royi Benyossef (+royiby)
EditText
- Definition
Diff
Floating labels
Error messages

90. With a little help from my libs by Royi Benyossef (+royiby)
FAB
(Absolutely FABulous)

91. With a little help from my libs by Royi Benyossef (+royiby)
Floating action button
Definition Primary action

92. With a little help from my libs by Royi Benyossef (+royiby)
Floating action button
Definition Primary action
Promoted action

93. With a little help from my libs by Royi Benyossef (+royiby)
Floating action button
Definition Primary action
Promoted action
Continuous (mini FAB)

94. With a little help from my libs by Royi Benyossef (+royiby)
Floating action button
- Definition
Diff
Standard implementation

95. With a little help from my libs by Royi Benyossef (+royiby)
SnackBar
(hmm… yum!)

96. With a little help from my libs by Royi Benyossef (+royiby)
Snack bar
Definition Toast++

97. With a little help from my libs by Royi Benyossef (+royiby)
Snack bar
- Definition
Diff
New addition!

98. With a little help from my libs by Royi Benyossef (+royiby)
Snack bar
- Definition
- Diff
Usages
Operation feedback

99. With a little help from my libs by Royi Benyossef (+royiby)
Snack bar
- Definition
- Diff
Usages
Operation feedback
Temporary state

100. With a little help from my libs by Royi Benyossef (+royiby)
Snack bar
- Definition
- Diff
Usages
Operation feedback
Temporary state
Long action result

101. With a little help from my libs by Royi Benyossef (+royiby)
SnackBar
(Example)

102. With a little help from my libs by Royi Benyossef (+royiby)
Snack bar
Show Snackbar
.make(parentLayout, R.string.snackbar_text, Snackbar.
LENGTH_LONG)
.setAction(R.string.snackbar_action, myOnClickListener)
.show(); // Don’t forget to show!

103. With a little help from my libs by Royi Benyossef (+royiby)
TabLayout
(Not just a material design thingy)

104. With a little help from my libs by Royi Benyossef (+royiby)
Tab layout
Definition Tabs 15.0

105. With a little help from my libs by Royi Benyossef (+royiby)
Tab layout
- Definition
Diff
Adding programmatically

106. With a little help from my libs by Royi Benyossef (+royiby)
Tab layout
- Definition
Diff
Adding programmatically
ViewPager integration

107. With a little help from my libs by Royi Benyossef (+royiby)
Tab layout
- Definition
Diff
Adding programmatically
ViewPager integration
Easy fixed size or scrollable

108. With a little help from my libs by Royi Benyossef (+royiby)
Tab layout
- Definition
- Diff
Usages
Top level nav. pattern

109. With a little help from my libs by Royi Benyossef (+royiby)
Tab layout
- Definition
- Diff
Usages
Top level nav. pattern
Content group organizing

110. With a little help from my libs by Royi Benyossef (+royiby)
Tab layout
- Definition
- Diff
Usages
Top level nav. pattern
Content group organizing
ViewPager mgmt.

111. With a little help from my libs by Royi Benyossef (+royiby)
CoordinatorLayout
(Because something needs to be)

112. With a little help from my libs by Royi Benyossef (+royiby)
Coordinator layout
Definition Child view touch event
control

113. With a little help from my libs by Royi Benyossef (+royiby)
Coordinator layout
- Definition
Diff
New!

114. With a little help from my libs by Royi Benyossef (+royiby)
Coordinator layout
- Definition
- Diff
Usages
Animated FAB

115. With a little help from my libs by Royi Benyossef (+royiby)
Coordinator layout
- Definition
- Diff
Usages
Animated FAB
layout_anchor

116. With a little help from my libs by Royi Benyossef (+royiby)
Coordinator layout
- Definition
- Diff
Usages
Animated FAB
layout_anchor
AppBar scrolling techniques

117. With a little help from my libs by Royi Benyossef (+royiby)
Coordinator layout
- Definition
- Diff
Usages
AppBar scrolling techniques:
> Scrol

118. With a little help from my libs by Royi Benyossef (+royiby)
Coordinator layout
- Definition
- Diff
Usages
AppBar scrolling techniques:
Scrol
> Enter always

119. With a little help from my libs by Royi Benyossef (+royiby)
Coordinator layout
- Definition
- Diff
Usages
AppBar scrolling techniques:
Scrol
Enter always
> Enter always collapsed

120. With a little help from my libs by Royi Benyossef (+royiby)
Coordinator layout
- Definition
- Diff
Usages
AppBar scrolling techniques:
Scrol
Enter always
Enter always collapsed
> Exit until collapsed

121. With a little help from my libs by Royi Benyossef (+royiby)
CoordinatorLayout
(Example)

122. With a little help from my libs by Royi Benyossef (+royiby)
Coordinator layout
AppBar <android.support.design.widget.CoordinatorLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"...>
<! -- Your Scrollable View -->
<android.support.v7.widget.RecyclerView
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="@string/appbar_scrolling_view_behavior"
/>
<android.support.design.widget.AppBarLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<android.support.v7.widget.Toolbar
app:layout_scrollFlags="scroll|enterAlways">
<android.support.design.widget.TabLayout
app:layout_scrollFlags="scroll|enterAlways">
</...AppBarLayout></...CoordinatorLayout>

123. With a little help from my libs by Royi Benyossef (+royiby)
CollapsingToolbar
(You prayers has been answered)

124. With a little help from my libs by Royi Benyossef (+royiby)
Collapsing toolbar layout
Definition Animation controls

125. With a little help from my libs by Royi Benyossef (+royiby)
Collapsing toolbar layout
- Definition
Diff
New!!!

126. With a little help from my libs by Royi Benyossef (+royiby)
Collapsing toolbar layout
- Definition
-Diff
Usages
Collapse mode

127. With a little help from my libs by Royi Benyossef (+royiby)
Collapsing toolbar layout
- Definition
-Diff
Usages
Collapse mode:
> Pin

128. With a little help from my libs by Royi Benyossef (+royiby)
Collapsing toolbar layout
- Definition
-Diff
Usages
Collapse mode:
Pin
> Parallax

129. With a little help from my libs by Royi Benyossef (+royiby)
Collapsing toolbar layout
- Definition
-Diff
Usages
Collapse mode:
Pin
Parallax
Layout parallax multiplier

130. With a little help from my libs by Royi Benyossef (+royiby)
CollapsingToolbar
(Example)

131. With a little help from my libs by Royi Benyossef (+royiby)
Coordinator layout
Pin <android.support.design.widget.AppBarLayout
android:layout_height="192dp"
android:layout_width="match_parent">
<android.support.design.widget.CollapsingToolbarLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_scrollFlags="scroll|exitUntilCollapsed">
<android.support.v7.widget.Toolbar
android:layout_height="?attr/actionBarSize"
android:layout_width="match_parent"
app:layout_collapseMode="pin"/>
</android.support.design.widget.CollapsingToolbarLayout>
</android.support.design.widget.AppBarLayout>

132. Testing
support library

133. With a little help from my libs by Royi Benyossef (+royiby)
Testing support library
Definition Backward compatible (API 8)

134. With a little help from my libs by Royi Benyossef (+royiby)
Testing support library
Definition Backward compatible (API 8)
All test tool dependencies

135. With a little help from my libs by Royi Benyossef (+royiby)
AndroidJunitRunner
(Junit-¾ + testing framework)

136. With a little help from my libs by Royi Benyossef (+royiby)
AndroidJunitRunner
Definition Junit 3/4 compatible

137. With a little help from my libs by Royi Benyossef (+royiby)
AndroidJunitRunner
Definition Junit 3/4 compatible
Acts as testing framework

138. With a little help from my libs by Royi Benyossef (+royiby)
AndroidJunitRunner
Definition Junit 3/4 compatible
Acts as testing framework
InstrumentationTestRunner

139. With a little help from my libs by Royi Benyossef (+royiby)
AndroidJunitRunner
- Definition
Jurisdiction
Load test pkgs to device

140. With a little help from my libs by Royi Benyossef (+royiby)
AndroidJunitRunner
- Definition
Jurisdiction
Load test pkgs to device
Runs test

141. With a little help from my libs by Royi Benyossef (+royiby)
AndroidJunitRunner
- Definition
Jurisdiction
Load test pkgs to device
Runs test
Reports results

142. With a little help from my libs by Royi Benyossef (+royiby)
AndroidJunitRunner
- Definition
- Jurisdiction
Instrum. info.
Related to test run

143. With a little help from my libs by Royi Benyossef (+royiby)
AndroidJunitRunner
- Definition
- Jurisdiction
Instrum. info.
Related to test run
Instrumentation obj

144. With a little help from my libs by Royi Benyossef (+royiby)
AndroidJunitRunner
- Definition
- Jurisdiction
Instrum. info.
Related to test run
Instrumentation obj
Target app context

145. With a little help from my libs by Royi Benyossef (+royiby)
AndroidJunitRunner
- Definition
- Jurisdiction
Instrum. info.
Related to test run
Instrumentation obj
Target app context
Test app context

146. With a little help from my libs by Royi Benyossef (+royiby)
AndroidJunitRunner
- Definition
- Jurisdiction
Instrum. info.
Related to test run
Instrumentation obj
Target app context
Test app context
Cmd line args

147. With a little help from my libs by Royi Benyossef (+royiby)
AndroidJunitRunner
- Definition
- Jurisdiction
Instrum. info.
Related to test run
Instrumentation obj
Target app context
Test app context
Cmd line args
= UIAutomator GOLD!

148. With a little help from my libs by Royi Benyossef (+royiby)
AndroidJunitRunner
@RunWith(AndroidJUnit4.class)
public class CalculatorInstrumentationTest extends ActivityInstrumentationTestCase2<CalculatorActivity> {
@Before
public void setUp() throws Exception {
super.setUp();
injectInstrumentation(InstrumentationRegistry.getInstrumentation());
mActivity = getActivity();
}
@Test
public void typeOperandsAndPerformAddOperation() {}
@After
public void tearDown() throws Exception {
super.tearDown();
}
}

149. With a little help from my libs by Royi Benyossef (+royiby)
AndroidJunitRunner
- Definition
- Jurisdiction
- Instrum. info.
Filtering
@RequiresDevice

150. With a little help from my libs by Royi Benyossef (+royiby)
AndroidJunitRunner
- Definition
- Jurisdiction
- Instrum. info.
Filtering
@RequiresDevice
@SdkSupress

151. With a little help from my libs by Royi Benyossef (+royiby)
AndroidJunitRunner
- Definition
- Jurisdiction
- Instrum. info.
Filtering
@RequiresDevice
@SdkSupress
@SdkSupress(minAPI)

152. With a little help from my libs by Royi Benyossef (+royiby)
AndroidJunitRunner
- Definition
- Jurisdiction
- Instrum. info.
Filtering
@RequiresDevice
@SdkSupress
@SdkSupress(minAPI)
@Small/Medium/LargeTest

153. With a little help from my libs by Royi Benyossef (+royiby)
AndroidJunitRunner
- Definition
- Jurisdiction
- Instrum. info.
- Filtering
Sharding
Test case subset ability

154. With a little help from my libs by Royi Benyossef (+royiby)
AndroidJunitRunner
- Definition
- Jurisdiction
- Instrum. info.
- Filtering
Sharding
Test case subset ability
Run full suite or by shards

155. With a little help from my libs by Royi Benyossef (+royiby)
AndroidJunitRunner
- Definition
- Jurisdiction
- Instrum. info.
- Filtering
Sharding
Test case subset ability
Run full suite or by shards
Identification by index

156. With a little help from my libs by Royi Benyossef (+royiby)
AndroidJunitRunner
- Definition
- Jurisdiction
- Instrum. info.
- Filtering
Sharding(Ex.)
adb shell am
instrument -w
-e numShards 10
-e shardIndex 2

157. With a little help from my libs by Royi Benyossef (+royiby)
Espresso
(Short, intense and efficient UI testing)

158. With a little help from my libs by Royi Benyossef (+royiby)
Espresso
Definition UI flow testing framework

159. With a little help from my libs by Royi Benyossef (+royiby)
Espresso
Definition UI flow testing framework
White-box style

160. With a little help from my libs by Royi Benyossef (+royiby)
Espresso
Definition UI flow testing framework
White-box style
(Reliant on target app code)

161. With a little help from my libs by Royi Benyossef (+royiby)
Espresso
- Definition
View matching
Use target app R.id.*

162. With a little help from my libs by Royi Benyossef (+royiby)
Espresso
- Definition
View matching
Use target app R.id.*
Matcher will search and find

163. With a little help from my libs by Royi Benyossef (+royiby)
Espresso
- Definition
View matching
onView(
withId
(
R.id.my_button
)
);

164. With a little help from my libs by Royi Benyossef (+royiby)
Espresso
- Definition
- View matching
Adapters
Dynamic data

165. With a little help from my libs by Royi Benyossef (+royiby)
Espresso
- Definition
- View matching
Adapters
Dynamic data
onView() might not work

166. With a little help from my libs by Royi Benyossef (+royiby)
Espresso
- Definition
- View matching
Adapters
Dynamic data
onView() might not work
Espresso.onData()!

167. With a little help from my libs by Royi Benyossef (+royiby)
Espresso
- Definition
- View matching
Adapters
Dynamic data
onView() might not work
Espresso.onData():
> data population event

168. With a little help from my libs by Royi Benyossef (+royiby)
Espresso
- Definition
- View matching
Adapters
Dynamic data
onView() might not work
Espresso.onData():
data population event
> User action reference

169. With a little help from my libs by Royi Benyossef (+royiby)
Espresso
- Definition
- View matching
- Adapters
Actions API
View clicks

170. With a little help from my libs by Royi Benyossef (+royiby)
Espresso
- Definition
- View matching
- Adapters
Actions API
View clicks
Swipes

171. With a little help from my libs by Royi Benyossef (+royiby)
Espresso
- Definition
- View matching
- Adapters
Actions API
View clicks
Swipes
Key & button press

172. With a little help from my libs by Royi Benyossef (+royiby)
Espresso
- Definition
- View matching
- Adapters
Actions API
View clicks
Swipes
Key & button press
Text typing

173. With a little help from my libs by Royi Benyossef (+royiby)
Espresso
- Definition
- View matching
- Adapters
Actions API
View clicks
Swipes
Key & button press
Text typing
Opening links

174. With a little help from my libs by Royi Benyossef (+royiby)
Espresso
- Definition
- View matching
- Adapters
Actions API
// Type text into an EditText view, then close the soft
keyboard
onView(withId(R.id.editTextUserInput))
.perform(typeText(STRING_TO_BE_TYPED),
closeSoftKeyboard());
// Press the button to submit the text change
onView(withId(R.id.changeTextBt)).perform(click());

175. With a little help from my libs by Royi Benyossef (+royiby)
Espresso
- Definition
- View matching
- Adapters
- Actions API
Thread sync
Fully integrated

176. With a little help from my libs by Royi Benyossef (+royiby)
Espresso
- Definition
- View matching
- Adapters
- Actions API
Thread sync
Fully integrated
No sleep()

177. With a little help from my libs by Royi Benyossef (+royiby)
Espresso
- Definition
- View matching
- Adapters
- Actions API
Thread sync
Fully integrated
No sleep()
No wait()

178. With a little help from my libs by Royi Benyossef (+royiby)
Espresso
- Definition
- View matching
- Adapters
- Actions API
Thread sync
Fully integrated
No sleep()
No wait()
No to test flakiness!

179. With a little help from my libs by Royi Benyossef (+royiby)
Espresso
- Definition
- View matching
- Adapters
- Actions API
Thread sync
Fully integrated
No sleep()
No wait()
No to test flakiness!
Yes to determinism!!!

180. With a little help from my libs by Royi Benyossef (+royiby)
UIAutomator
(Because not all the names can be witty)

181. With a little help from my libs by Royi Benyossef (+royiby)
UIAutomator
Definition Black-box UI flow testing

182. With a little help from my libs by Royi Benyossef (+royiby)
UIAutomator
Definition Black-box UI flow testing
(No reliance on target code)

183. With a little help from my libs by Royi Benyossef (+royiby)
UIAutomator
- Definition
APIs
UIDevice (.pressHome())

184. With a little help from my libs by Royi Benyossef (+royiby)
UIAutomator
- Definition
APIs
UIDevice (.pressHome())
UICollection

185. With a little help from my libs by Royi Benyossef (+royiby)
UIAutomator
- Definition
APIs
UIDevice (.pressHome())
UICollection
UIObject

186. With a little help from my libs by Royi Benyossef (+royiby)
UIAutomator
- Definition
APIs
UIDevice (.pressHome())
UICollection
UIObject
UIScrollable

187. With a little help from my libs by Royi Benyossef (+royiby)
UIAutomator
- Definition
APIs
UIDevice (.pressHome())
UICollection
UIObject
UIScrollable
UISelector

188. With a little help from my libs by Royi Benyossef (+royiby)
UIAutomator
- Definition
APIs
UIDevice (.pressHome())
UICollection
UIObject
UIScrollable
UISelector
Configurer

189. But wait!
There’s more!!!

190. With a little help from my libs by Royi Benyossef (+royiby)
Percent support library
(Percentage based layouts)

191. With a little help from my libs by Royi Benyossef (+royiby)
Percent support library
Definition Percentage based layouts

192. With a little help from my libs by Royi Benyossef (+royiby)
Percent support library
- Definition
P*Relative
<android.support.percent.PercentRelativeLayout ...>
<View ... android:layout_alignParentTop="true"
app:layout_heightPercent="20%"
app:layout_widthPercent="70%" />
<View ...
android:layout_alignParentTop="true"
app:layout_heightPercent="20%"
app:layout_widthPercent="30%" />
</android.support.percent.PercentRelativeLayout>

193. With a little help from my libs by Royi Benyossef (+royiby)
Percent support library
- Definition
- P*Relative
P*Linear
<com.juliengenoud.percentsamples.PercentLinearLayout ...>
<View
android:layout_width="0dp"
android:layout_height="0dp"
android:background="#ff44aacc"
app:layout_heightPercent="10%"
app:layout_widthPercent="60%"/>
<View
android:layout_width="0dp"
android:layout_height="0dp"
android:background="#ff4400cc"
app:layout_heightPercent="10%"
app:layout_widthPercent="70%"/>
</com.juliengenoud.percentsamples.PercentLinearLayout>

194. With a little help from my libs by Royi Benyossef (+royiby)
Percent support library
- Definition
- P*Relative
- P*Linear
P*Frame
<android.support.percent.PercentFrameLayout
xmlns:android="http://schemas.android.
com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent">
<!-- ... XML CODE -->
</android.support.percent.PercentFrameLayout>

195. With a little help from my libs by Royi Benyossef (+royiby)
Custom tabs support lib
(No more WebViews. No more tears shed)

196. With a little help from my libs by Royi Benyossef (+royiby)
Custom tabs support library
Definition Open links in browser

197. With a little help from my libs by Royi Benyossef (+royiby)
Custom tabs support library
Definition Open links in browser
Customize browser tabs

198. With a little help from my libs by Royi Benyossef (+royiby)
Custom tabs support library
- Definition
Usage
@Override protected void onCreate(Bundle
savedInstanceState) { super.onCreate(savedInstanceState);
setContentView(R.layout.activity_preview);
mCustomTabHelper = new SimpleCustomChromeTabsHelper(this);
}

199. With a little help from my libs by Royi Benyossef (+royiby)
Custom tabs support library
- Definition
Usage
@Override protected void onCreate(Bundle
savedInstanceState) { super.onCreate(savedInstanceState);
setContentView(R.layout.activity_preview);
mCustomTabHelper = new SimpleCustomChromeTabsHelper(this);
}
mCustomTabHelper.prepareUrl(mProduct.getRedirectUrl());

200. With a little help from my libs by Royi Benyossef (+royiby)
Custom tabs support library
- Definition
Usage
@Override protected void onCreate(Bundle
savedInstanceState) { super.onCreate(savedInstanceState);
setContentView(R.layout.activity_preview);
mCustomTabHelper = new SimpleCustomChromeTabsHelper(this);
}
mCustomTabHelper.prepareUrl(mProduct.getRedirectUrl());
mCustomTabHelper.openUrl(mProduct.getRedirectUrl());

201. With a little help from my libs by Royi Benyossef (+royiby)
Data binding support lib
(Beta)

202. With a little help from my libs by Royi Benyossef (+royiby)
Data binding support library
Definition Data binding only for older
APIs!

203. With a little help from my libs by Royi Benyossef (+royiby)
Data binding support library
- Definition
Usage
Too long, Google it!

204. With a little help from my libs by Royi Benyossef (+royiby)
Summary
(What did we have here?)

205. With a little help from my libs by Royi Benyossef (+royiby)
Key points
AppCompat

206. With a little help from my libs by Royi Benyossef (+royiby)
Key points
- AppCompat
V4/V7/V13 support lib

207. With a little help from my libs by Royi Benyossef (+royiby)
Key points
- AppCompat
- V4/V7/V13 support lib
Design support lib

208. With a little help from my libs by Royi Benyossef (+royiby)
Key points
- AppCompat
- V4/V7/V13 support lib
- Design support lib
Testing support lib

209. With a little help from my libs by Royi Benyossef (+royiby)
Key points
- AppCompat
- V4/V7/V13 support lib
- Design support lib
- Testing support lib
Percent support lib

210. With a little help from my libs by Royi Benyossef (+royiby)
Key points
- AppCompat
- V4/V7/V13 support lib
- Design support lib
- Testing support lib
- Percent support lib
Custom tabs support libs

211. “We should be building great
things. Things that Don’t yet
exist”

212. I Hope You Liked It
Thank you for listening
By Royi Benyossef (+royiby)