Android – Get free space on device

Use this to test if there is enough space on your device.

This snippet can be used to retrieve the free space (in Mb) available on a device. It may be useful especially to test when saving some file on the SD card, to make sure there is enough space for it.

public static float getMegabytesAvailable()
{
long bytesAvailable;
StatFs stat = new StatFs(Environment.getExternalStorageDirectory().getPath());
if (Build.VERSION.SDK_INT < 18) { bytesAvailable = (long) stat.getBlockSize() * (long) stat.getAvailableBlocks(); } else{ bytesAvailable = (long) stat.getBlockSizeLong() * (long) stat.getAvailableBlocksLong(); } return bytesAvailable / (1024.f * 1024.f); } [/code]

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