Android
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Android mobile application foundation tutorial [Android event handling]
在基于监听的事件处理模型中，事件监听器必须实现事件监听器接口， Android系统为不同的界面组件提供了不同的监听器接口， 这…… -
The most detailed Android studio uninstallation, installation and startup tutorial in the whole network
Install Android studio on May 2, 2019, update Android studio on March 4, 2020, and uninstall Android studio on May 30,…… -
Android studio implements a simple shopping mall interface
With the development of the Internet, the popularity of electronic products such as mobile phones and the rise of e-co…… -
How to import Android projects with different gradle versions
Bloggers have posted many Android projects. Many students commented that they can't run or report errors after importi…… -
Android studio implements a simple QQ login interface
QQ is one of the most used software in our daily life, including login interface, chat interface after entering, frien…… -
Android intelligent chat robot
Next, a relativelayout is placed under the textview, and a listview is placed in it to display the chat message list. …… -
How Android studio implements music player (easy to use)
When we play code for a long time, we will certainly feel tired and boring. At this time, we will continue to play cod…… -
Android studio implements address book
This project mainly realizes the functions of adding, deleting, modifying and querying contact information (name and t…… -
ERROR: Could not install Gradle distribution from ‘ https://services.gradle.org/distributions/gradle
When you create a new project or import a project, gradle errors often appear, because this is a file on a foreign web…… -
How does Android studio remove the default title bar of the interface
(1) Click manifests in the app directory on the left to open the androidmanifest.xml file, as shown: -
The Android calculator you want, it’s coming today!
This project mainly realizes the simple calculator function, including the basic operation of addition, subtraction, m…… -
Android mobile application foundation tutorial [program activity]
@H_ 301_ 155@ Intent intent = new Intent(MainActivity.this,SecondActivity.class); startActivityForResult(inten…… -
Android studio realizes QQ registration, login and jump between friend lists
This project mainly includes three interfaces: registration, login and friend list, and jump between them. The friends…… -
Android common interface layout (detailed introduction)
1、 View view All UI elements are built through view and ViewGroup. For the user interface of an Android application, …… -
Android course selection system
This project mainly realizes the course selection system. Users are divided into two roles: student and administrator.…… -
How does Android studio allow access to network resources
(1) Click manifests in the app directory on the left to open the androidmanifest.xml file, as shown: <uses-permissi…… -
How does Android studio export APK files
We usually write Android. In most cases, we run debugging on the simulator. However, in the actual development, there …… -
Android – the entry file index.js is not found in any root directory: […] (react native)
I'm trying to build an APK for my first react native application, but I always get an error from gradle that it can't …… -
Android – room smashed release
I use room in my project and everything goes well, but it will give me this error when I try to run it at release time…… -
Java – how do I hide fragments at the beginning of mainactivity (or application)?
Well, the title says everything. I don't know how to hide it at startup. I tried to search, but nothing happened the w…… -
Can I use gradle. Properties for CI and Android studio respectively?
At present, I have a gradle.properties file. It is specially configured for CIS with low available memory, because oth…… -
Android – displays the progress dialog box when retrieving data from the firebase database
I hope the activity must display the progress dialog box when getting data from the firebase database. It doesn't disp…… -
Subscribe to ANCs on Android
Based on the services listed here, I am trying to subscribe to the service from an Android device, but I can't make th…… -
Android – how do I use locale and configuration to select different asset files as my language changes?
I want to change the JSON file from the assets folder according to the language changes in the application, and I want…… -
Java – the button in the alertdialog does not appear
I have an alertdialog box where the neutral button should cause me to disappear. The problem is that when the alertdia…… -
Android – link firebase parsing to Google play
I'm trying to link my firebase analysis project to Google play, but I created a firebase project with an 'x' email ID,…… -
Android – how to use espresso to check textinputlayout for errors
I want to be able to run the matcher against a textinputlayout view with an error set onView(withId(R.id.myTextInputLa…… -
Android – greenroot’s eventbus: two fragments call asynchronous tasks to work, which puzzles eventbus
I am currently dealing with fragments created under activities using the fragmentpageradapter. I use eventbus 3.0 of g…… -
Android – rotates the bitmap at a fixed point like a timer in surfaceview
I have an image in a paintable folder for the clock pointer. I want to rotate it at a fixed point like a timer. I trie…… -
How to delete built-in margins in Android WebView using JavaScript
I use Android WebView in my application. I noticed that it has a built-in edge. So I need to delete it according to th…… -
Android – how to create a file from an image URL without downloading an image
How do I create a file from an imageurl? I know what to do I want to know how to create a file object without download…… -
Cordova plugin camera: error getting “no image selected” on Android 4.4 device
I am using ionic 1. X to develop hybrid mobile applications. At present, I am dealing with strange behaviors related t……