Android

Purpose Because Biji wants to go to the company to do the company's question: the Android platform-based elevator advertising machine. The communication between the Android platform and the embedded system is implemented through the CAN bus. The

STM32 input Capture Mode settings and receive data with DMA Blog link:Http://blog.csdn.net/jdh99, Author: jdh, reprinted please note. Environment: HOST: WIN7 Development Environment: MDK4.72 MCU: STM32F103 Note: The project requires infrared

Hello everyone! The CSDN official website is holding a Community Q & A activity. I have the honor to be invited as a guest of the 1st Q & A activity to answer all questions raised about the Java Development public platform, in fact, you can ask

After finishing the column chart, I suddenly found that it was easy to create a line chart. A line chart, line chart, and column chart were created immediately. : It mainly uses the Path of Android, which is very useful in this case. Code attached:

The three-day holiday is coming to an end soon. It is rare to have a long nap in the afternoon, so the evening is better!I flipped through some new features of C ++ 11 and found that the random number has a new usage method and is more useful.I have

SQLite is a lightweight relational database. It is small in size and has no configuration. It can run directly in application processes and is very suitable for Embedded operating systems. First, create an SQLite database. Use a class to implement

Package com. jk. service;/*** create and update the database version */import android. content. context; import android. database. sqlite. SQLiteDatabase; import android. database. sqlite. SQLiteDatabase. cursorFactory; import android. database.

Android memory optimization is a very important issue, and UI optimization is a top priority. This label plays an important role in optimizing the UI structure. It aims to optimize the entire UI Layout structure by deleting redundant or additional

GitHub https://github.com/nostra13/Android-Universal-Image-Loader.Let's take a look at the usage of the Android-Universal-Image-Loader framework; 1. initialize ImageLoaderConfiguration (global, initialize configuration throughout the application,

Mobile phone information (mobile phone number, SMS, contact, call record, location) can be obtained through the file sharer of the system program. How to obtain the mobile phone number this time. First, register permissions in AndroidMainfest:

Errors frequently occur when you use android recently.The connection to adb is down, and a severe error has occured.I found many solutions on the Internet, such as 'Abd kill-Server' and 'adb start-Server, the displayed result is '* server not

I. Statement: Public class AlarmManager extends Object Ii. Category structure: Java. lang. Object ? Android. app. AlarmManager Iii. Overview:This class provides a method that is close to the system alarm service, allowing

Android provides a small tool named meminfo to help the application analyze its memory usage. In addition, the memtrack HAL module is added in 4.4. The SoC vendor implements the memtrack module, let meminfo Get Some GPU-related memory allocation

  AndroidHandlerProceedInstantiate (new)Such:Private Handler handler = new Handler (); An error is reported.Handler is abstract, cannot be instantiated., Prompting to use, other instantiation methods.   Cause:Import)Library error. UseAndroid

When using Volley to retrieve images from the network, we introduced the use of ImageRequest. In fact, Volley also provides a NetworkImageView class. Using this class, we can get images from the network more efficiently, because it helps us set up

1. I wrote an article about how to debug system_process for Android boot. 2 google's eclipse plug-in ADT has been able to easily debug the Android apk, but the application entered the Activity at the time of debugging. 3. If you want to know the

I always wanted to write a Camera example from the HAL layer to the application layer, usb camera cannot be used on android4.0, so I decided to write a usb camera and coms on my own. The basic principle is the same. v4l2, but the source code data

Drop-down Navigation: Final ActionBar actionBar = getSupportActionBar (); // sets whether the ActionBar displays the title actionBar. setDisplayShowTitleEnabled (false); // sets the navigation mode and uses the List navigation actionBar.

Click the created terrain object in Hierarchy, or click the terrain in Sence to jump out of the Inspector panel attribute. Click the Red Circle button to raise the terrain. Then a selectable brush shape appears. You can choose one of them. It

  1. Three XML parsing methods in Android: pull, dom, And sax Pull integrates this resolution in android, and its performance is similar to that of sax. I personally think it is much easier to use it than to use it for sax parsing. It uses