unmount sd card

First, make the SD boot card (install Linux) step:Burn-Write principle: Superboot-6410.bin (bootloader) + kernel image file + root file system1. Insert the SD card into the USB interface card reader and plug it into the USB port of the PC.2. Create a new "images" directory u

1. As shown in the following figure, we clicked "Application" under the desktop. 2. Into the mobile phone "set" we find program management. 3. The following image shows an "Application Manager" and we click on it again. 4. We find to move to the SD card software, such as our "flying letter" as an example. 5. After entering, we then click on "Move to

I found that I could not write files to the USB flash drive/SD card today. I carefully checked that the USB flash drive is read-only. I tried to solve this problem using n methods: 1. chmod U + x/Media/usbdisk The prompt "read-only file system" cannot be changed. 2. sudo Mount-o rw-O remount-o User-T vfat/dev/sdb1/Media/usbdiskA prompt is displayed for the read-only file system. 3. Formatting also promp

Solution:1. Supports Micro SD memory cards, but does not support standard SD cards2. The MIIX700-12isk supports a maximum of GB Micro SD memory card. Because the Micro SD memory card involves multiple brands, we recommend that you

Solution: After loading the external SD card, through the main menu into the "settings-storage" To set the default storage SD card, when the installation of software, installation interface Select the application installation location for the "SD

Recently the company framework has just been transplanted, because the framework program to call subroutines, each subroutine is a so file, there are hundreds of, all so and apk packaging unrealistic, timely upgrade maintenance is also very troublesome. So you need to put the SD card. Consider two different ways1The/data/app-lib/package name/so file that is placed on the device (and a default path is not re

. Android_secure is the product of the official APP2SD, and after the deletion of the software installed in the SD card will not be used. There are so many. asec files are installed on the SD card software, but generally installed in the SD

-compile and download the kernel, especially in the program debugging stage, we all want to put the application on the SD card, so it is easier to update it. It is said that the third method can be used to achieve this, modify the "launch80" = "myapp.exe" to "launch80" = "/stdcard/myapp.exe" (volume file. Similarly, applications in the SD

Code used in this blog: http://download.csdn.net/detail/king_bingge/5739167 I haven't written a blog for several days, and I 've been busy with the opening Cup for the past few days. Due to some inharmonious factors, I started preparing for today's opening Cup reply yesterday. Although I don't know what the result is, however, I personally feel that there are still some innovative ideas, that is, the primary judges and teachers are dragging on to our consumption object and no longer think about

Install the bt3 tutorial on the USB flash drive/SD card (required to crack the wireless route signal password)In fact, there are a lot of online bt3 tutorials. If you fail to install bt3 based on the following tutorial, you can go to Baidu for other tutorials.I wrote a post a few days ago about how to use bt3 to crack the routing signal (Click here to view). In order to attract attention, I placed it in the

Android NDK loads so and androidndk in the SD card Recently, the company's framework has just been transplanted. Since the framework program needs to call subroutines, each subroutine is a so file, with hundreds of so files. It is unrealistic to package all the so and apk files, timely upgrade and maintenance are also troublesome. So you need to put it in the SD

Android NDK loads so in SD card Recently, the company's framework has just been transplanted. Since the framework program needs to call subroutines, each subroutine is a so file, with hundreds of so files. It is unrealistic to package all the so and apk files, timely upgrade and maintenance are also troublesome. So you need to put it in the SD

1. In the S5 standby state we find the "Application" button, as shown in the following figure.2. Then go to the next image interface we find "set" icon click to enter.3. Then in the open interface you will see an "Application Manager" interface that we clicked on.4. The following figure will list all applications, such as I would like to "Baidu map" to move to SD card.5. We moved to Baidu map, then click "M

The first few days encountered a problem: Save the image to the SD card in the Android development app, and the user searched in the gallery, similar to the form of the cache. The first idea is to change the suffix name, for example, to save a picture as Image1.txt, so save of course no problem, but in the application of reading in the not, and later did not study why not read normally, after all, this meth

In this section, we do a very simple demo that allows you to read an image from an SD card and display it in the app.In three steps:1. Set permissions. Add three lines of permission information to the manifest file. uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/> uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS"/> uses-permission android:name="an

A teammate's SD card, which was used on his mobile phone, was suddenly unavailable after several TXT e-books were imported into the computer. The symptoms were unrecognizable. On the PC, the card reader shows "Windows prompts formatting, but cannot complete formatting". After the attribute is displayed, the file system type is raw. At first, I wanted to solve th

After completing the above preparations, the following describes how to encrypt the SD card:1. Click application on the standby page ].2. Click set ].3. Move the screen up and select security ].4. Select encrypt external SD card ].5. Check the required items based on your actual needs. Here, select encryption as an exa

1. To back up your contacts I'll go back to my mobile desktop and then click on the "Contacts" icon.2. In the contact us click on the three-point box, such as the Red Box "menu."3. Then we click on the three point after the pop-up menu, here we click on the Drop-down menu "set."4. Okay, let's get into the setup. We find "contact" and click on Enter, as shown in the following figure. 5. OK here we will see an "import/export" We click on it and then click "Export to

Many friends are not familiar with the WP8 mobile phone network, so we must use QQ Address book to back up, comb contacts. Here to share with you how to use the SD card to import contacts. First, connect the phone to the computer into the SD card to create a folder--backup--dta--condact 1, computer login QQ

My Beaglebone black before installing the Ubuntu 14.04 System, the use of the process found in the Ubuntu system under the serial device TTYS1~TTYS5 can not be used, open the serial port will show input/output error, I guess there may be no driver or any other reason, younger brother compared vegetables, so did not find the reason, also did not solve.My solution is to brush back to the factory is the operating system Debian, to the Beaglebone website, the latest version of the current is 8.4. Do