Tasks and the Back Stack (Android Development Patterns)

Check out the blog post: https://goo.gl/nm5yjz

If every Activity in your app is part of a task, it makes sense to know what a task is (a stack of activities) and how the default behavior of the back button affects your Activity and Fragments you’ve added with FragmentTransaction’s addToBackStack() method.

Ian Lake also explains why SINGLE_TOP is a useful launchMode for your Activity and how to work with notifications that deep link into your app by using TaskStackBuilder: http://goo.gl/rWFOwT

Read through all the documentation at http://goo.gl/KEBnbO

#BuildBetterApps #AndroidN #lifecycle

Subscribe to the Android Developers channel at http://goo.gl/GEh1ds

128 Android FragmentManager and Backstack Part 1 |

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This Android Tutorial video talks about the Android FragmentManager and the backstack to which FragmentTransactions can be added as FragmentManager.BackStackEntry objects. It talks about the default behavior of how Fragments are destroyed if not added to the BackStack. This video discusses about addToBackStack(), popBackStack() and onBackStackChanged(), getBackStackEntryCount() and getBackStackEntryAt(int index) methods.

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Channel: slidenerd
Published: 2013-10-13 05:47:59
Duration: 8M20S
Views: 56281
Likes: 581
Favorites: 0

Activities, Tasks & Stacks – Part 1, An Introduction

Activities are the presentation layer of an Android application. An Android app can contain more than one Activity. These activities are arranged in a stacked order in LIFO order. In this introductory video, we go through some of the basic nuances of how activities are arranged in a stack called Task. This is just an introduction to the concept of launch modes of Activity

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Channel: Codetutor
Published: 2016-12-30 12:19:19
Duration: 3M30S
Views: 15340
Likes: 161
Favorites: 0

What the Fragment? – Google I/O 2016

Android Fragments are polarizing and sometimes confusing. When should you use a fragment? How? Why? In this session we’ll cover effective use of fragments along with new features. We’ll also go over improvements that enable new use cases and improve existing ones.

Watch more Android talks at I/O 2016 here: https://goo.gl/Uv3jls
See all the talks from Google I/O 2016 here: https://goo.gl/olw6kV

#io16 #GoogleIO #GoogleIO2016

Channel: Android Developers
Published: 2016-05-19 02:47:15
Duration: 28M53S
Views: 92861
Likes: 764
Favorites: 0

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Channel: EDWIN
Published: 2018-06-19 11:42:14
Duration: 13M53S
Views: 3776003
Likes: 9187
Favorites: 0

App Launch time 101 (Android Performance Patterns Season 6 Ep. 1)

Every quarter second a user spends staring at a blank screen, instead of interfacing with your app, is a quarter second more they are willing to close your app, and give their attention to something else. As such, you want to make sure that your app launches as fast as possible.

In this video Colt McAnlis talks about the perception issues around launch time performance, introduces some common problems, and talks about tools that can help you track them down.

Links:
Launch Times and Optimized Activities video: https://goo.gl/VwPfNR
App Launch time & Bloated Application objects video: https://goo.gl/dB5IoQ
App Launch time & Themed launch screens video: https://goo.gl/L8YMsp

Watch more Android Performance Patterns here: http://goo.gl/4ZJkY1

Join the G+ Community here : http://goo.gl/g7mxmI

#PERFMATTERS #performance #ux #lifecycle

Channel: Android Developers
Published: 2016-08-11 23:40:37
Duration: 5M17S
Views: 27096
Likes: 443
Favorites: 0

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