Android
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Method for Android to obtain QR code from picture
In my previous blog, I remember talking about scanning QR code. Yesterday, the team leader asked me not only to scan a…… -
Android streaming layout realizes the function of historical search record
Recently, when developing projects, there was a requirement to display historical search records in a streaming layout…… -
Android uses the sensor to imitate wechat shake function
sensor Briefly introduce the sensor: it is the hardware used by the device to sense the changes of the surrounding env…… -
Implementation of viewpager prohibiting sliding in Android
preface In many apps, the home page does not allow sliding switching (because the page is loaded), but the viewpage is…… -
Implementation of packet capturing for mobile phone using fiddler
The settings for capturing packets with Fiddler are as follows: 1. Under the same LAN 2. On the PC side, open fiddler …… -
Quick start tutorial on common size units (DP, SP) in Android
Common size units The common size units in Android development are as follows: I don't know the exact meaning. I belie…… -
Android one line of code to achieve circular Avatar
design sketch In the development of app, it is often necessary to realize the circular avatar, so how to realize it? D…… -
Android implementation of automatic call and text messaging examples
Android implementation of automatic call and text messaging examples 1、 Automatic dialing 2、 Send SMS automatically …… -
On the function of adding, deleting, checking and modifying Android mobile phone contact development
Recently, when I was working on the function module of mobile phone contacts, I encountered a lot of holes. There are …… -
Countdowntimer in Android implements the countdown function
CountDownTimer Countdowntimer is an Android built-in countdown class. Using this class, you can easily implement the c…… -
Android uses fragmenttabhost instead of tabhost
Android uses fragmenttabhost instead of tabhost preface: Now fragment is used more and more widely. Although fragment …… -
Android implementation of viewpager boundary rebound effect example code
No more nonsense. I'll post the code directly to you. The specific code is as follows: The above is the example code o…… -
Usage analysis of actionbar item in Android learning notes
This article describes the usage of Android actionbar item with examples. Share with you for your reference, as follow…… -
Android realizes masked pop-up effect
This example shares the specific code of Android mask pop-up box effect for your reference. The specific contents are …… -
Android get time instance code
Android get time instance code be careful: h: 12 hour hours H: 24 hour hours Example code: Thank you for reading, hope…… -
How to modify the default compilesdkversion when Android studio creates a module
preface This afternoon, someone asked where the as can configure the build.gradle template to achieve the default comp…… -
Simple implementation of Android local music player
To play music, you need to call service. Here, just sort out the playing process. The above is the whole content of th…… -
Scanning QR code and bar code with Google zxing in Android
Scanning QR code and bar code with Google zxing in Android I learned about QR code from wechat. At that time, wechat l…… -
Detailed explanation of Android capture runtime exceptions
Detailed explanation of Android capture runtime exceptions Android exceptions fall into two categories: checkedexcepti…… -
Example of setting translucency and transparency of components in Android
This article introduces how Android sets the translucent and transparent effects of components, and shares them for yo…… -
Simulate a simple way to exit the application by pressing the home key (share)
Examples are as follows: The above simple method (sharing) to simulate pressing the home key to exit the application i…… -
Detailed explanation of Java scheduled tasks
Timed tasks are often used in projects. Based on the blogger's own experience in using timed tasks, this paper introdu…… -
Detailed explanation of ContentProvider mechanism for Android data persistence
This paper illustrates the ContentProvider mechanism of Android data persistence. Share with you for your reference, a…… -
Detailed explanation of reading and writing content in SD card for Android data persistence
This paper describes the method of reading and writing content in SD card for Android data persistence. Share with you…… -
Initial understanding of Android touch event delivery mechanism
preface A knowledge point summarized today is the view event transmission mechanism in andorid, which is also the core…… -
Summary of methods of hiding title bar in Android Development
Summary of methods of hiding title bar in Android Development 1. Recommend! (because all projects are now apptheme by …… -
Summary of the implementation of custom view in Android
What is Android custom view In our daily development, many times the view provided by the system can not meet our need…… -
A detailed explanation of Java’s upward and downward transformation
A detailed explanation of Java's upward and downward transformation Transformation is based on inheritance. Inheritanc…… -
Detailed explanation of the relationship between screen density and picture size in Android
Detailed explanation of the relationship between screen density and picture size in Android preface Android supports m…… -
Solution to the problem that Android ImageView does not display JPEG images
Android ImageView does not display JPEG images Today, I am writing a small example. ImageView is set as invisible in X…… -
Android simple file manager instance (list file directory)
Core code: File fatherFile = new File(path); File[] files = fatherFile.listFiles(); design sketch: To implement this l…… -
Android monitors touch events in fragment
This paper introduces the implementation of monitoring fragment's touch event. If you have a better mechanism, you can……