Android:计算剩余内存
16lz
2021-01-23
public static long getInternalAvailableSpace(){long availableSpace = -1L;try{StatFs stat = new StatFs(Environment.getDataDirectory().getPath());stat.restat(Environment.getDataDirectory().getPath());availableSpace = (long) stat.getAvailableBlocks()* (long) stat.getBlockSize() / 1048576;}catch (Exception e){e.printStackTrace();}return availableSpace;} public long TotalMemory() { StatFs statFs = new StatFs(Environment.getRootDirectory().getAbsolutePath()); long Total = ( (long) statFs.getBlockCount() * (long) statFs.getBlockSize()) / 1048576; return Total; } public long FreeMemory() { StatFs statFs = new StatFs(Environment.getRootDirectory().getAbsolutePath()); long Free = (statFs.getAvailableBlocks() * (long) statFs.getBlockSize()) / 1048576; return Free; } public long BusyMemory() { StatFs statFs = new StatFs(Environment.getRootDirectory().getAbsolutePath()); long Total = ( (long) statFs.getBlockCount() * (long) statFs.getBlockSize()) / 1048576; long Free = (statFs.getAvailableBlocks() * (long) statFs.getBlockSize()) / 1048576; long Busy = Total - Free; return Busy; } 以MB为单位。
SD卡的只要修改路径为：
getExternalStorageDirectory
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