Bump leakcanary-android from 2.3 to 2.6

[dependabot-preview[bot]]

Bumps leakcanary-android from 2.3 to 2.6.

Release notes

Sourced from leakcanary-android's releases.

v2.6

See Change Log

v2.5

See Change Log

v2.4

See Change Log

Changelog

Sourced from leakcanary-android's changelog.

Version 2.6 - Christmas Release 🎄 (2020-12-24)

Please thank @chao2zhang, @ChaosLeung, @LitterSun, @mickverm, @opatry, @Thomas-Vos, @tricknology, @rahul-a, @samoylenkodmitry, @sing0055, @ubiratansoares for their contributions, bug reports and feature requests 🙏 🙏 🙏.

This Christmas Release includes several external contributions and a bunch of cool new features! 🎁🎁

Detecting root views retained after View.onDetachedFromWindow()

On Android, every displayed view hierarchy is attached to a window, whether it be the view hierarchy of an activity, a dialog, a toast or a chat head. After a view hierarchy is detached from its window, it should be garbage collected.

LeakCanary already detects leaks of activity view hierarchies because retained detached views reference their activity context and LeakCanary detects activities retained after Activity.onDestroy(). In this new release, LeakCanary will now detect the leak of a dialog view hierarchy as soon as that dialog is dismissed, or any other view that is passed to WindowManager.removeView().

Detecting services retained after Service.onDestroy()

After an Android service is destroyed, it should be garbage collected. Unfortunately, the Android SDK does not provide any generic API to observe the service lifecycle. We worked around that using reflection on greylist APIs (details in #2014). Let's hope this motivates the Android team to build the APIs developers need.

Configuring retained object detection

With the detection of 2 new types of retained objects, we're also adding APIs to configure which watchers should be installed as well as adding filtering capabilities.

First, disable the automatic install:

<?xml version="1.0" encoding="utf-8"?>
<resources>
  <bool name="leak_canary_watcher_auto_install">false</bool>
</resources>

Then you can install LeakCanary manually. LeakCanary 2.6 comes with 4 watchers installed by default: ActivityWatcher, FragmentAndViewModelWatcher, RootViewWatcher, ServiceWatcher. Here's an example to get all the default watchers except ServiceWatcher:

class DebugExampleApplication : ExampleApplication() {
override fun onCreate() {
super.onCreate()
val watchersToInstall = AppWatcher.appDefaultWatchers(application)

</tr></table>

... (truncated)

Commits

• 357100d Update docs
• 89d81ce Prepare 2.6 release
• ff9ace5 Merge pull request #2038 from square/py/fix_service_watcher_crash
• cfcbe94 Fix crash for methods with no arguments and rethrow exceptions
• af08bf1 Merge pull request #2036 from square/py/debug_screen_off
• 6539c16 Trigger LeakCanary on screen off
• cea1708 Merge pull request #2037 from square/py/root_view_min_api
• 1bcdb5f RootViewWatcher is a no op pre API 19
• a4401aa Merge pull request #2035 from square/py/library_leaks
• 8fdc60a Update library leaks
• Additional commits viewable in compare view

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[dependabot-preview[bot]]

Superseded by #717.