Programmer Help

Import OkHttp dependency implementation 'com.squareup.okhttp3:okhttp:3.14.4' implementation 'com.squareup.okio:okio:1.17.2' Jurisdiction <uses-permission android:name="android.permission.INTERNET"/> <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/> ...

There are two steps to realize automatic program update: 1. Download apk program to local; 2. Install the downloaded apk programFor the implementation of automatic program update server-side operations, please refer to Spring Boot realizes file upload and download 1. Check update service public class ...

Preface: In most of our projects, we will use the function of image or video selection. Give an example: Upload the avatar when registering. Choose a background picture Photo selection when sending friends Next, I will introduce the use of a convenient open source library Matisse (below is a personal demo case)   Do ...

Demonstrate the function of the code, call the camera to take photos, and display the photos if successful. The first step is to define a button for calling the camera to take photos, and ImageView is used to store and display the photos taken. <Button android:id="@+id/take_photo" android:layout_width="wrap ...

Android Q is about to launch its official version. This article is based on beta 6, which is close to the final version of Q. It would be better if it would be helpful to the people who read this article.         Private directories of Android Q The private directory here is the App-specific director ...

Cache implementation Instead of caching third-party implementations such as Redis, we do some environment variables based on C# to facilitate project use. 1. System Global Variables Many times, at the beginning of the system operation, the system operation parameters need to be saved for global use. The code is as follows: public class ...

A while ago I wrote how to get albums and photos after taking them and display and upload them. This time I made circular images. People who often read my notes will know that I am lazy.Then I'm lazy and self-defined, and the current needs are just as good as the original, the wheel of the Great God, which I'll recommend later.T ...

Reason: Android N revokes access to files. According to Android N's requirements, to share files between applications, you should send a content://URI and grant temporary access to URI.   The simplest way to do this is to use the FileProvider class. Solution: 1. Define FileProvider in manifest <provider android:autho ...

Uncheck this before using it Gradle of Engineering buildscript { repositories { jcenter() } dependencies { // The tinkersupport plug-in, where lastest.release refers to pulling up the latest version, can also specify a specific version number, such as 1.0.4 classpath "com.tencent.bugly:tink ...

When you want to go online, you have to update the interface when you make an app. First of all, you need to pack when doing validation, uninstall the AS installation, and then install the packaged apk. 7.0 and 8.0 require permissions <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES"/> Add in ...