format external sd card android

public static final String temp_photo_file_name = "Temp_photo.jpg";private static String Msdrootpath = Environment.getexternalstoragedirectory (). GetPath (); /** * Delete cached images and directories for SD card or phone * /public void DeleteFile () { log.i ("INFO", msdrootpath+ "/" +temp_photo_file _name+ "========================"); File Dirfile = new file (msdrootpath+ "/"

. Propertyconfigurator. getconfigurator (this). Configure (); 4. Put the microlog. properties file in the assets folder. Note: The assets folder is the same as the res folder. Then change the microlog. properties file to the following: Microlog. Level = debugMicrolog. appender = logcatappender; fileappenderMicrolog. formatter = patternformatterMicrolog. formatter. patternformatter. pattern = % C [% P] % m % t 5. Write log records Logger. debug ("My debug "); 6. Add

The specific usage is as follows: 1. Download Download the http://code.google.com/p/microlog4android/downloads/list and microlog. properties files to the microlog4android-1.0.0.jar 2. Create a logger object Private Static final logger = loggerfactory. getlogger (main. Class ); 3.ProgramThe initialization method in the oncreate method of the first activity Propertyconfigurator. getconfigurator (this). Configure (); 4. Put the microlog. properties file in the assets folder. Note: Th

Objective:Use the activity of the Openfileoutput () method to save the file, the file is stored in the mobile phone space, the general phone storage space is not very large, storage of small files is OK, if you want to store large files such as video, it is not feasible. For large files like video, we can store it in SDcard. What is sdcard for? You can think of it as a removable hard drive or USB stick.To use SDcard in the simulator, you need to first create a SDcard

The Android system can get the path of the memory card through Environment.getexternalstoragedirectory (), but now there are a lot of phones built in a storage space, but also support the external SD card insertion, This through the Environment.getexternalstoragedirectory ()

RT, Baidu also tried 3 kinds, but all failed to seek the guidance of the Great God, give a simple good, not too complicated, novice ah.The example of the online test, the following errors, but also hope that the great God to help.09-18 16:45:08.591:e/trace (12014): Error opening Trace file:no such file or directory (2)09-18 16:45:08.611:W/DALVIKVM (12014): Refusing to reopen boot DEX '/system/framework/hwframework.jar '09-18 16:45:08.621:W/DALVIKVM (12014): Threadid=1:thread exiting with uncaugh

We want to enter the bank card number in order to display in the format, rather than simply display a bunch of numbers, the following section of code to implement the bank card number format input. Format of the bank card numberp