Android
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How to access the background location change of Google Maps Android API V2?
In my application, I use Google Maps Android API v2. Even if my application is in the background and performs a task, …… -
Android – NullPointerException on super. Onstart()
I'm currently writing a fragment that extends the custom sherlockfragment that extends YouTube player support fragment…… -
Do you need to change the version and version code to update the android app in Google play?
I'm trying to update the app on Google play. Do I need to update both? Android: versionname and Android versioncode I …… -
Xmlns in Android
There are three types of xmlns in Android: xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="htt…… -
Android – should or should not asynctask be used for long-running operations?
See English answers > Android asynctask for long running operations 4. I'm confused about the content of asynctask.…… -
Java – how to send upstream GCM messages using Google cloud connection server
I'm trying to use the new cloud connection server feature of Google cloud messaging to send upstream messages from dev…… -
Android – AutoCompleteTextView using cursorloader
I'm changing my application to use cursorloader instead of startmanagingcursor I have an implementation of AutoComplet…… -
Android GridView – randomly change element position while scrolling
I have a GridView with 10 rows and 7 columns. The elements in the GridView are not a unique form. A row contains 7 ele…… -
Correctly locate pop ups in Android
I insist on using pop-up positioning. When I click a button, a pop-up window is displayed. I hope it should be positio…… -
Android – timing error in our game, currenttimemillis frozen?
When testing our game, which relies heavily on system. Currenttimemillis (), we encountered an annoying error Our game…… -
Java – Google play game service invitation lost
I'm using the new Google play game service to develop my game on Android. Now I'm trying to add an invitation system. …… -
Android – upload videos programmatically to Youtube
I'm trying to upload videos to YouTube programmatically. I've tried YouTubeService service = new YouTubeService(client…… -
Android – the layout differs between the graphical layout and the actual device
I have the following XML layout code: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="ht…… -
Basic process of eclipse NDK development
Create Android project - > complete the preparation of Java functions, add JNI interface functions (native function…… -
Java – fragmentpageradapter displays all fragment contents on the first page
In memory, I have a list of items, each with a title and a 0.. n chunks list (storing some information). I know I am c…… -
Java – can images be shared on Android via data URLs?
Can I share images with such code? Intent share = new Intent(Intent.ACTION_SEND); share.setData(Uri.parse("data:image/…… -
The third secret of Android Development: parsing HTML pages with jsoup
This section mainly explains how jsoup parses HTML pages. Because the process of Android development inevitably involv…… -
One of the secrets of Android Development: creating clickable buttons
I feel it necessary to learn about mobile phone development, whether for future work needs or current company projects…… -
The second secret of Android Development: importing existing projects and precautions
When I saw an example written by jsoup on the Internet, I downloaded it for research, but found that it would not be i…… -
Default interface methods are only supported starting with Android N
Operating environment Click the green hammer "make project" and the following error appears Default interface methods …… -
Duplicate class android.support.v4.widget.TintableCompoundButton found in modules classes.jar
For an old Android project, change support-v4 in gradle to the reference of Android x, and compile and report an error…… -
Building an adaptive interface for Android constraintlayout
Original link Constraintlayout lets you create complex large layouts using a flat view hierarchy (no nested view group…… -
Introduction to Android thread pool
This article mainly uses kotlin to discuss the usage of thread pool in Android development. When we want to use thread…… -
Android View Post method
Resolve the view.post method. Analyze the flow of this method. Speaking of the post method, we can easily think of the…… -
Android seekbar custom thumb, thumb rotation animation effect
On the interface of some music or video playback, when resources are still loaded, the origin (thumb) of the progress …… -
Android constraintlayout uses chains to control linear groups
A chain is a set of views that are linked to each other by bidirectional position constraints. Views in the chain can …… -
Getting started with Android workmanager
Work manager provides task scheduling function, and we can mark or name work. Let's use an example to demonstrate how …… -
Getting started with Android kotlin collaboration
Android officials recommend using concurrency to deal with asynchronous problems. The following are the characteristic…… -
Android jetpack compose introduction example project
Go to GitHub to find the sample project of compose https://github.com/android/compose-samples , clone to local Student…… -
Use compose for existing Android projects
After looking at the example project of compose, we also want to use compose. Based on the current situation, the comp…… -
Android tutorial 2020 – recyclerview displays multiple items
Android tutorial 2020 - series overview Article link The previous list shows similar data. What if you want to display…… -
Android frame animation use
Using a series of different pictures and playing them in sequence like a roll of film is a traditional animation, also……