Recent Posts
-
Android custom view draws randomly generated picture verification code
This article is about the randomly generated image verification code of Android custom view. We often need to randomly…… -
Big data processing and simultaneous reading and writing method for Android SQLite operation
This paper describes the big data processing and simultaneous reading and writing methods of Android SQLite operation.…… -
On memory optimization of Android application and memory leakage of handler
1、 Android memory basic physical memory and process memory physical memory is the ram on the mobile device. When an A…… -
Using tabhost and fragment to make page switching effect in Android
Three tabs at the top design sketch: Define the effect of page switching in the file boardtabhost.java; When switching…… -
Android ImageView class can set radians (simple code)
No more nonsense. I'll post the code directly to you. The specific code is as follows: Well, let's introduce the arc s…… -
How does Android get the verification code through the mobile phone to complete the registration function
When registering many apps or online accounts, you often need to obtain the verification code from the mobile phone to…… -
Introduction to using fragment in Android Application Development
Fragment is a new concept since Android honeycomb 3.0. Fragment is called fragment, but it is very similar to activity…… -
Android xlistview pull-down refresh and pull-up load more
There are many open source frameworks similar to listview refreshing data on the market, such as swiperefreshlayout in…… -
Solution to the problem of like binding parameters of SQL query statements in Android (SQLite database)
Considering the security of the database, it is not easily injected into SQL. When executing query statements, the dir…… -
Android implements image asynchronous loading and local caching
It is very common to access network pictures in Android projects. If we have to access the network to obtain pictures …… -
Introduction to the use of XML static resources of Android control series
When developing Android, you can always see an r.java file automatically generated by the system: You must understand …… -
Simple method for Android to get local phone number
How to get the local phone number on Android? At present, Android provides an API that can read the number solidified …… -
Android image upload to achieve preview effect
First, analyze the functions to be realized, in which requirement analysis is essential. After the requirements and lo…… -
Android custom view drawing circle proportion animation
1、 Implementation effect diagram 2、 Core code 1. Customize myprogressview.java 2.FlowActivity.java 3.activity_ flow.…… -
Solution of pop-up login box for Android
Here is my implementation experience: 1. First of all, I directly used alertdialog to implement it. I'm sure that the …… -
Android MMS: SMS sending process (picture and text explanation)
For MMS applications, the sending of information is mainly to create and maintain an information record in the informa…… -
Android uses rotateimageview to rotate ImageView
No more nonsense, just give you the code. The specific code is as follows: The above code is about all the contents of…… -
Detailed explanation of Android service life cycle
introduction Application components have a life cycle -- at the beginning Android instantiates them to respond to the …… -
Android listview implements the functions of pull-up loading, pull-down refresh and sliding deletion
Recently, the project needs a listview that can be deleted by sliding and with pull-up loading and pull-down refresh. …… -
JSON data analysis of Android handy notes 44
JSON (JavaScript object notation) is a lightweight data exchange format, which adopts a text format completely indepen…… -
Phone dialer for Android learning notes (2)
At present, Android has a strong dominant position in the mobile phone market and has attracted more and more follower…… -
Introduction example tutorial of viewpager view sliding switching class in Android
The introduction of viewpager into the example first gives you a global understanding. Go directly to the last project…… -
Android uses recyclerview to customize lists, click events and drop-down refresh
Using recyclerview for Android 1. What is recyclerview Recyclerview is a new widget in android-support-v7-21. The offi…… -
Analysis of sqliteopenhelper usage in Android Development
This article illustrates the usage of sqliteopenhelper in Android development. Share with you for your reference. The …… -
Example tutorial of using dialogfragment to write dialog box in Android
Android provides alert, prompt, pick list, single selection, multiple selection, progress, time picker and date picker…… -
How to implement drop-down refresh in Android Development
Because the recent development involves reading data from the network, it is natural that the function of pull-down re…… -
How to customize the button and set different background pictures for Android
This article describes the method of customizing buttons and setting different background pictures for Android. Share …… -
Android WebView common problems and Solutions
At present, HTML5 is developing very rapidly. Many native apps will be embedded in web pages to meet the changing mark…… -
Android uses canvas to draw circular progress bar effect
preface Android custom controls often use canvas to draw 2D graphics. Before optimizing your custom control skills, yo…… -
Android programming implements the method of calculating the difference of days according to different dates
This paper describes the method of Android programming to calculate the difference of days according to different date…… -
Android solves the memory overflow problem of viewpager loading a large number of pictures
1. We all know that building an adapter for viewpager inherits pageradapter, so we won't talk about how to build it. V…… -
How to use SparseArray performance optimization in Android
In a previous article, after studying the horizontal secondary menu, I found that SparseArray was used to replace the ……