Recent Posts
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Advanced Android – specific example of custom picture scaling control
ZoomImageView.java: XML layout: Activity call method: -
Underlined method of Android textview
If it is in a resource file, it can be written like this If the code is written like this -
HTTP request utility class encapsulated by Android
Another encapsulated get request is frequently used recently: -
Android string resource file format method usage example
Many times, we believe that Google abides by a large number of MVC architecture when designing Android, which can make…… -
How to use Android listview and ProgressBar (progress bar control)
Use of listview control: the listview control contains data row by row. There may be multiple columns in a row. If a r…… -
Android saves the image conversion to the database, and then reads and converts it into image implementation code from the database
First, we need to store the pictures in the database. First, we need to create a database, as shown below: The code co…… -
Instance method of Android loading large resolution pictures into mobile phone memory
Restore the heap memory overflow error. First, restore the heap memory overflow error. First, put a photo on the SD ca…… -
Android webvie specifies the video player to play website videos
Filter out other players and use my own player to do it -
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Specific implementation of obtaining pictures from Android system Gallery
preface In Android applications, there are often scenes that need to use the pictures stored on the device, and it is …… -
Android simulator development and testing NFC application example details
NFC has been supported since Android 2.3. However, NFC applications can only be tested and developed on Android phones…… -
Example steps for Android custom controls and custom callback functions
To customize a control: 1. Working principle of view 2. Write view class 3. Add attributes to view class 4. Draw scree…… -
Android read / write SD card operation write data read data example
Finally, don't forget to add the permission to access and read SD in androidmanafest.xml. -
Detailed analysis of several usages of Android intent
Intent should be a unique thing in Android. In intent, you can specify the actions to be executed by the program (such…… -
Android development tutorial handle to achieve multithreading and asynchronous processing
Let's talk about handler this time. Why does handler appear? First of all, before the basic controls are basically inv…… -
Android saves the content of view as a simple instance of an image
Principle: create a new Bitmap, then create a Canvas based on it, and finally call the View's draw method to draw View…… -
Android audio recording mediarecorder simple recording software implementation code
Steps to use the mediarecorder: 1. Create the mediarecorder object. 2. Call the setaudiosource() method of the mediare…… -
How to use listview in Android development tutorial
The first is the layout file. Two layout files are required here. One is the layout file main.xml corresponding to the…… -
How to use system resources in Android development tutorial Android resource file
1、 Color resource 1. Color XML file format 2. Reference format: In Java code: r.color.color_ Name (this is an int typ…… -
The framework of Android development tutorial adds resource resources such as string resources and pictures
Add string Add a string in Android frameworks / base / core / RES / RES / values. For example, add a string in string.…… -
The textview content of Android development tutorial exceeds the screen width and displays ellipsis
The implementation is as follows: -
Android downsample code for reducing audio sampling frequency
Use Android audiorecord to record PCM files. The Android SDK ensures that the sampling frequency supported on all devi…… -
Android implements the method of finding SD card mounting path (SD card path) with Java and C
Method 1: Analyze the returned information of the mount command, for example: @ h_ 419_ 3@ Version C code is as follow…… -
Socket server and client functions are realized through Java NiO
Here is the programming house jb51 CC collects and arranges code fragments through the network. Programming house Xiao…… -
Iputil tool class to obtain java code of local and remote IP
Here is the programming house jb51 CC collects and arranges code fragments through the network. Programming house Xiao…… -
Java upload pictures, equal scaling of pictures, and partial clipping tool code
Here is the programming house jb51 CC collects and arranges code fragments through the network. Programming house Xiao…… -
Simple use of spring’s own HTTP request tool class
Here is the programming house jb51 CC collects and arranges code fragments through the network. Programming house Xiao…… -
Implementation of several lock algorithms
Here is the programming house jb51 CC collects and arranges code fragments through the network. Programming house Xiao…… -
Quartz2. X add, delete and modify tools
Here is the programming house jb51 CC collects and arranges code fragments through the network. Programming house Xiao…… -
Java countdownlatch sample code
Here is the programming house jb51 CC collects and arranges code fragments through the network. Programming house Xiao…… -
Java calculates the lunar calendar code of the specified date
Here is the programming house jb51 CC collects and arranges code fragments through the network. Programming house Xiao……