Hello! I AM ZARAH. I am an Android developer for Domain.com.au

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Mervin Rich
6 years ago
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1 TOOLS OF THE TRADE

2 Hello! I AM ZARAH I am an Android developer for Domain.com.au

3 THE KEY Know available tools

4 THE KEY Know available tools There is no correct setup

5 CODE

6 FRAGMENTS

7 FRAGMENT LIFECYCLE FragmentManager.enableDebugLogging(true);

8 SERVICES

9 public void oncreate() { super.oncreate(); android.os.debug.waitfordebugger(); // Do stuff in your service Log.d("MyService", "I am inside the service!"); }

10 public void oncreate() { super.oncreate(); android.os.debug.waitfordebugger(); // Do stuff in your service Log.d("MyService", "I am inside the service!"); }

11 SERVICES Put a breakpoint AFTER the call to wait

12 SERVICES Put a breakpoint AFTER the call to wait Edit your Run Configurations

13 SERVICES Trigger service

14 SERVICES Trigger service Attach debugger <service android:name="com.myapp.mysyncservice" android:exported="true" android:process=":sync" >

15 BUILT-IN TOOLS

16 DEBUGGER

17 DEBUGGER Say NO! to the green bug

18 DEBUGGER Say NO! to the green bug Create a new keyboard shortcut for Attach Debugger to Android Process

19 DEBUGGER Say NO! to the green bug Create a new keyboard shortcut for Attach Debugger to Android Process Preferences > Keymap > Main Menu > Run > Attach Debugger to Android Process > Right Click > Add Keyboard Shortcut

20 DEBUGGER Say NO! to the green bug Create a new keyboard shortcut for Attach Debugger to Android Process OR > Attach Debugger E>FRun M Preferences > KeymapY> G Main Menu I T T O D NOBO to Android Process > Right Click > Add Keyboard Shortcut AIN T THAT!

21 DEBUGGER

22 DEBUGGER Run then Attach

23 BREAKPOINTS

24 BREAKPOINTS

25 BREAKPOINTS (AN ASIDE)

26 BREAKPOINTS

27 BREAKPOINTS Stop during interesting iterations

28 BREAKPOINTS Suspend on exceptions

29 BREAKPOINTS If you have a bunch of breakpoints related to a particular bug, GROUP THEM

30 DEBUG TOOL WINDOW

31 DEBUG TOOL WINDOW

32 FRAMES

33 VARIABLES

34 VARIABLES

35 EVALUATING EXPRESSIONS

36 WATCHES

37 WATCHES Add variables and expressions Resolved in the context of the current frame

38 WATCHES Add variables and expressions Resolved in the context of the current frame

39 WATCHES

40 WATCHES

41 WATCHES

42 WATCHES No need to Timber/Toast/Log

43 WATCHES No need to Timber/Toast/Log Like evaluated expressions, but lots of them

44 WATCHES No need to Timber/Toast/Log Like evaluated expressions, but lots of them Persistent across sessions

45 WATCHES No need to Timber/Toast/Log Like evaluated expressions, but lots of them Persistent across sessions Change expressions on the fly Do even more: IntelliJ blog

46 SYSTEM INFORMATION

47 SYSTEM INFORMATION Info dump of system state

48 SYSTEM INFORMATION

49 SYSTEM INFORMATION Activity Manager State Activity lifecycle state Config values Fragments and their states View hierarchy Choreography state Looper state

50 SYSTEM INFORMATION Activity Manager State Package Info Activity lifecycle state Manifest information Config values APK info Fragments and their states User install info View hierarchy Choreography state Looper state

51 SYSTEM INFORMATION Activity Manager State Package Info Memory Usage Activity lifecycle state Manifest information Memory allocations Config values APK info Asset allocations Fragments and their states User install info View hierarchy Choreography state Looper state

52 SYSTEM INFORMATION Memory Usage over Time Runtime stats Memory usages Low level info

53 SYSTEM INFORMATION Memory Usage over Time Graphics State Runtime stats How well animations are doing Memory usages Low level info Cache info View hierarchy

54 LAYOUT INSPECTOR

55 LAYOUT INSPECTOR

56 THIRD PARTY TOOLS

57 HUGO Annotation-based = EASY

58 HUGO Annotation-based = EASY Shows method calls /io.plaidapp V/DataManager: sourceloaded(data=[redraw Keyboard, Saas 01, Air Traveller App, Become a driver], page=2, key="dribbble_query_material Design") /io.plaidapp V/DataManager: sourceloaded [0ms] = true

59 HUGO (AN ASIDE) logm live template

60 ADB PLUGIN App actions from within Studio

61 ADB PLUGIN No fussing with Settings

62 STETHO Wealth of options

63 STETHO Wealth of options DB inspection

64 STETHO Wealth of options DB inspection SharedPreferences

65 STETHO Wealth of options DB inspection SharedPreferences Network inspection

66 STETHO Wealth of options DB inspection SharedPreferences Network inspection View hierarchy

67 STETHO Wealth of options DB inspection SharedPreferences Network inspection View hierarchy dumpapp

68 STETHO Source: Facebook

69 PIDCAT Logcat with less pain

70 PIDCAT Logcat with less pain

71 LEAK CANARY

72 LEAK CANARY Source: Square

73 Some practical stuff

74 STUDIO IS BEING WEIRD Cannot add breakpoint

75 STUDIO IS BEING WEIRD Cannot add breakpoint ADB cannot see devices

76 STUDIO IS BEING WEIRD First aid

77 STUDIO IS BEING WEIRD First aid Unplug then re-plug device

78 STUDIO IS BEING WEIRD First aid Unplug then re-plug device Disable then re-enable ADB integration

79 STUDIO IS BEING WEIRD First aid Unplug then re-plug device Disable then re-enable ADB integration Invalidate caches and restart

80 STUDIO IS BEING WEIRD First aid Unplug then re-plug device Disable then re-enable ADB integration Invalidate caches and restart Disable the re-enable USB debugging on device

81 But I really don t want to do all that...

82 BETTER CODING, (HOPEFULLY) LESS DEBUGGING Use support annotations

83 BETTER CODING, (HOPEFULLY) LESS DEBUGGING Use support annotations Listen to Lint

84 BETTER CODING, (HOPEFULLY) LESS DEBUGGING Use support annotations Listen to Lint Use AppCompat methods

85 ADDITIONAL RESOURCES Philippe Breault [Twitter] Jake Wharton [Github] Square [Github]

86 Thank you! ANY THANK QUESTIONS? YOU!

87 APPENDIX

88 SUPPORT ANNOTATIONS Add the dependency** dependencies { compile 'com.android.support:support-annotations:24.2.0' }

89 SUPPORT ANNOTATIONS Profit private void setthingstotextview(int res1, int res2, int res3, int res4) { // do stuff } private void setthingstotextview(@idres int int int int backgroundcolour) { // do stuff }

90 SYSTEM INFORMATION Activity Manager State

91 SYSTEM INFORMATION Package Information

92 SYSTEM INFORMATION Memory Usage

93 SYSTEM INFORMATION Memory Usage over time

94 SYSTEM INFORMATION Graphics state

Android About.me/DavidCorrado Mobile Meetup Organizer

Android About.me/DavidCorrado Mobile Meetup Organizer Android Tips/Tricks @DavidCorrado About.me/DavidCorrado Mobile Meetup Organizer IDE Don t Use Eclipse Use either Android Studio/IntelliJ They are basically the same thing. They are both built off of IntelliJ