formatted sd card lost space

In the mobile phone use of the process began to often have friends with the mobile phone SD card can not be formatted to read the problem, for the SD card can not be formatted to produce a lot of reasons, but many cases are some s

divide the first partition and specify the partition as FAT16.The second one, I try to partition for the Linux partitionCommand (M for help): NCommand ActionE ExtendedP primary partition (1-4)PPartition number (1-4): 2First cylinder (48002-62528, default 48002):Using Default Value 48002Last cylinder, +cylinders or +size{k,m,g} (48002-62528, default 62528):Using Default Value 62528Command (M for help): tPartition number (1-4): 2Hex code (type L to list codes): 83Okay, look at the results.Command

Get the total space and free space of the SD cardFile path = Environment.getexternalstoragedirectory (); StatFs stat = new StatFs (Path.getpath ()); Long blockSize = Stat.getblocksize (); Long totalblocks = Stat.getblockcount (); Long availableblocks = Stat.getavailableblocks (); Long totalsize = Totalblocks * Blocksize;long availsize = AvailableBlock S * blockSi

As an extended storage device for mobile phones, SD cards act as hard disks on mobile phones, allowing our mobile phones to store more data, multimedia files, and other large files. Therefore, checking the memory of the SD card is the same as checking the remaining space on the hard disk. It is a common task. How can w

Make full use of the SD card space in Raspberry Pi Generally, a 4g sd or TF card is required to create a system image for Raspberry Pi, but do you know if your SD card is 8g or 16g or l

Install a lamp environment for Raspberry Pi in the past two days, but there are too many things installed on it, and the default system space is occupied. But the SD card itself is 16 GB. What if I want to extend the Raspberry Pi to a larger space? I can continue to install the software only after the expansion. After

That's what we've been getting before.Before Android API18: Fs.getavailableblocks () *fs.getblocksize ()Currently/** gets the system available memory **/@SuppressLint ("Newapi") Private String Getmemfree () {StatFs fs = new StatFs (environment.getdatadirectory (). GetPath ()); return Formatter.formatfilesize (This, (Fs.getavailablebytes ()));} /** gets the SD available memory **/@SuppressLint ("Newapi") Private String Getsdfree () {if (Environment.get