Android
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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 mobile application foundation tutorial [data storage]
FileOutputStream fos = openFileOutput(String name, int mode); //参数是文件名和文件的操作模式 //打开应用程序中对应的输…… -
How to view the gradle version and path of an Android project
1. Check the gradle version of the project: open the gradle wrapper file to see this line, which is actually the downl…… -
Android mobile application foundation tutorial [service]
<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/andro…… -
RTSP online video stream resource address
rtsp://wowzaec2demo.streamlock.net/vod/mp4:BigBuckBunny_ 115k.mov @H_ 502_ 14@ -
Android mobile application foundation tutorial [sharing data with content providers]
//获取相应操作的Uri，Uri.parse()方法是将字符串转化成Uri对象。 Uri uri = Uri.parse("content://cn.itcast.mycontentprov…… -
Various version information in build.gradle of Android studio
Android studio uses gradle to build the project. Gradle is a very advanced project building tool. After we import the …… -
Basic course of Android mobile application [broadcast mechanism]
Usually, each classroom in the school will be equipped with a speaker, which is connected to the school broadcasting r…… -
What did Android stduio do when starting the simulator to run the project
Every time Android studio opens the simulator to run the project, the project will be built. What is the construction …… -
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…… -
Android – add button to graphic canvas
I am using the answer to this question: drawing on canvas and save image to create a canvas to draw an image I am open…… -
Java – Parcelable works without proper implementation
In the Android application, I send a bundle from an activity to a fragment public class Bar implements Parcelable { p…… -
Android – swipe to close the recyclerview with animation on the background
According to my understanding, one possibility to realize the sliding to release of recyclerview using the background …… -
Android – unable to listen to preference changes?
class Userviewmodel extends viewmodel{ appPrefs.registerOnSharedPreferencechangelistener(preferencechangelistener)…… -
Android – make a call using Rx, and then make multiple parallel calls from the result of the first call
I must call the API that returns the list of items. For each item in this list, I must call another API (if the list r…… -
Android databinding activity completed ()
I try to use the databinding library to implement MVVM in my application. I can find a solution to the simple tasks I …… -
Ajax doesn’t work in Android WebView
I'm loading a website in WebView. We use ajax on the website. It also works well in web browsers and mobile browsers, …… -
Android – why doesn’t the AdMob advertising frequency limit work?
I set up two display times per minute for each user, but it didn't work. The advertisement will be displayed every tim…… -
Java.io.ioexception: http request failed, HTTP status: 500 (ksoap2)
I am using ksoap2. When I send a request to the server and get java.io.ioexception: http request fails, HTTP status: 5…… -
Android – cannot resolve base64.encodetostring
I'm trying to save an image on firebase using the following code Bitmap bm = BitmapFactory.decodeFile(imgDecodableSt…… -
Android – white border around dark theme cardviews
I have a custom control that extends cardview. I add it to the linear layout so that I can create a card grid. I don't…… -
Android – ‘com. Example. * *’ and ‘com. Example. * * {*;}’?
When I use Proguard, what is the difference between com. Example. * * and com. Example. * * {*;}? For example, what ha…… -
C# – what is the best way to slide and click on the relative layout in Android?
public bool OnTouch(View v, MotionEvent e) { if (gestureDetector.OnTouchEvent(e)) { //…… -
Gradle relies on using latlng in Java projects
I want to use the latling class in my java project https://developers.google.com/android/reference/com/google/android/…… -
Android – view is at the last position of the parent, but it is still blocked
What I want to do In the bottom sheet dialog fragment, I want a view that always sticks to the bottom of the screen, r……