Android
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Android – callback to identify problems when loading usertimeline using tweettimelinelistadapter
I am trying to use usertimeline and tweettimelinelistadapter to get timeline, because here can be found in the structu…… -
Android – activities with single task startup mode and their location in the background stack
In the official online Android guide on tasks and back stack, I found a contradictory message. I would be grateful if …… -
Java – QT for Android – startactivityforresult equivalent does not work
QT for Android has few recorded functions - we can use the intent function of JNI (Java Native Interface). There are s…… -
Find out when the recyclerview project will be presented for the first time (Android)
I'm trying to use Google Analytics enhanced e-commerce to send "show times" of my products on recyclerview staggeredgr…… -
Android – sethomeasuppindicator does not take effect when setdisplayshowhomeenabled (false) is used
I want to change the actionbar indicator (left arrow) and don't want to display the logo, so I setdisplayshowhomeenabl…… -
Java – Android deletes data from getintent
I have an activity dealing with deeplink, which is a browsable activity Suppose a user clicks a link on another applic…… -
Java – use relational query tables similar to subclasses
There are currently three tables in the database of my application: >Parent table – (total goal) > childa > c…… -
Android – how do I save an image to internal storage and display it on another activity?
I work on xamarin.android. I have two activities that need to display the same image. On the first screen, I download …… -
What is the function of the Java –. Restart SmalI keyword?
What does this line in SmalI do? I've been searching Google for. Restart, but I can't find any information about it .r…… -
Android – write nDef messages to the same tag multiple times?
On Android, as long as the NFC tag is close to the mobile phone, the system will send an intention to my application, …… -
Android – urimatcher mismatch
It works! I'm not sure what has changed. I do use GIT. I've been looking at my submission and code for hours Because t…… -
Android graphics for different APIs
I'm having trouble using different APIs for paint for Android Users should be able to draw letters on an area, which w…… -
Android – library added: gradle build
I just updated my project with the new gradle build system After many attempts, I always encounter the same problem I …… -
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 – get listview items / views in reverse order on 2.2; Applicable to 4.0.3
I have a listview that displays items in the arrayadapter. I want to animate the view when it is blocked. The problem …… -
Android – the eraser is not invoked when the button is pressed
I have such main categories: public class Main extends Activity { Button edit,save,eraser,clear; /** Called …… -
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…… -
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…… -
Android tutorial 2020 – getting started with recyclerview
This article is a link to this article to introduce you to the use of recyclerview. Here is a common use. Android tuto…… -
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…… -
Android tutorial 2020 – actual use of recyclerview
For example, make a list with the item of recyclerview. Android tutorial 2020 - series overview Here we make a specifi…… -
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…… -
Android MMAP file mapping to memory introduction
Android 2020 Link to this article: introduction to Android MMAP file mapping to memory During Android development, we …… -
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 …… -
Several common operations of Android bitmap: zoom, crop, rotate and offset
Android bitmap related operations Several common operations: scaling, clipping, rotation, offset Many operations need …… -
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…… -
Android mediaplayer plays audio
Link to this article: playing audio with Android mediaplayer It mainly introduces how to play audio with mediaplayer. …… -
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…… -
Android downloads audio files using urlconnection
Link to this article: Android downloads audio files using urlconnection Use mediaplayer to play online audio, please r…… -
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……