Android

Apk Silent Installation, apk silent The boss asked me to get an automatic update. I wanted to use the Silent Installation. I found some big data code on the Internet. I 'd like to change it and paste it first:  Java code /** * Silent Software

Recording a video and generating a thumbnail. This project uses ThumbnailUtils. createVideoThumbnail (imgPath, Video. Thumbnails. MINI_KIND) to produce a small example of recording a Video on the system Video interface and generating a Video

Material Design icon Design Icon-System icon Definition The System icon or icon in the UI indicates a command, file, device, or directory. System icons are also used to indicate some common functions, such as clearing the recycle bin, printing or

How to optimize memory for Android Development Editor's note: some content in this article may be controversial, such as comments). You can learn useful content and read it in an attitude of learning and communicating, rather than reading it with

Weibo sharing on Android and precautions In front I wrote two articles about QQ and sharing (http://blog.csdn.net/dawanganban/article/details/42015249) This article we look at how to achieve microblogging sharing function. Weibo's reference

Android determines whether the Apk signature is consistent with the signature Determine whether the Apk is signed Run jarsigner-verify-verbose-certs. If Android Debug is used, debug is used. If the certificate has been signed: [the certificate

Android custom View Control Custom View Controls are common usage. when I was just getting started with Android development, many people were used to copying a large piece of code in different XML layout files, "Achieving the continuous use of the

Android Studio debug uses the release Signature Debugging is troublesome when we share Weibo sdks, because the sdk can be called successfully only when the corresponding signature version is used. When we use Gradle of AndroidStudio, this problem

Complete permission settings for Android Android. permission. ACCESS_CHECKIN_PROPERTIES // allow read/write access to the "properties" table in the checkin database. You can modify the value and upload it to android. permission.

Configure multidex package in Android-maven   When the project is too large, the number of methods will inevitably exceed the limit of 65536. Fortunately, the new android provides a multi-dex package method to solve this problem. Next, let's take a

Two encapsulation classes for network requests in Android1. Background We often use threads and handler message processing mechanisms to process network requests in Activity and Fragment. Here, we encapsulate network requests, a get request and a

How to Use the RSA encryption algorithm to verify data in Android Application Development The world is wonderful and helpless. Yes, in the Internet era, how to protect your own data and how to encrypt and verify the data becomes very important. Here

Set wallpaper and create desktop icons for Android I wrote a Demo to implement the logic of setting wallpaper and creating desktop icons: Creating a wallpaper is relatively simple. Convert Drawable into Bitmap and use setWallpaper directly:   Bitmap

Use Case of Switch in Android learning notes (1) Layout File Code (2) controlled classes Package com. example. android_switch; import android. OS. bundle; import android. app. activity; import android. view. menu; import

Use Application in android During android development, we may store some global variables. We 'd better access them in any activity or service of the app. In this case, we can use the application. One of our applications is called application, so we

ListView Adapter dynamically changes data instances After you use adpater to bind a listview, you sometimes want to dynamically change the data displayed in the listview during program usage. How can this problem be solved? 1. Key code segments

Set the View to display only the transparent bottom border, transparent background box, and shadow background box. The implementation result is as follows:   The following code implements an xml with a border, which is very common. The

Android memory, Android memory I haven't written it for a long time. I don't forget it, I'm not lazy, because I am confused ~~ I don't know what to learn, what to write, what to do, and what to do. I am stupid, I don't know how to tell others what I

Creation Mode-singleton mode, Creation Mode --A class has only one instance and provides a global access point to it.Applicable places:When a class can only have one instance and the user can access it from one access point.When this unique instance

Custom Controls (2.3): SurfaceView and SurfaceHolder,In this example, the requirement and process are as follows: The Activity loads the custom SurfaceView-> SurfaceView constructor: Initialize the paint brush, sensor, SurfaceHolder, and register