androd i获取 SD卡 总容量 可用空间 内存大小 可用内存

/**

* 获得SD卡总大小

*

* @return

*/

private String getSDTotalSize() {

File path = Environment.getExternalStorageDirectory();

StatFs stat = new StatFs(path.getPath());

long blockSize = stat.getBlockSize();

long totalBlocks = stat.getBlockCount();

return Formatter.formatFileSize(MainActivity.this, blockSize * totalBlocks);

}

/**

* 获得sd卡剩余容量，即可用大小

*

* @return

*/

private String getSDAvailableSize() {

File path = Environment.getExternalStorageDirectory();

StatFs stat = new StatFs(path.getPath());

long blockSize = stat.getBlockSize();

long availableBlocks = stat.getAvailableBlocks();

return Formatter.formatFileSize(MainActivity.this, blockSize * availableBlocks);

}

/**

* 获得机身内存总大小

*

* @return

*/

private String getRomTotalSize() {

File path = Environment.getDataDirectory();

StatFs stat = new StatFs(path.getPath());

long blockSize = stat.getBlockSize();

long totalBlocks = stat.getBlockCount();

return Formatter.formatFileSize(MainActivity.this, blockSize * totalBlocks);

}

/**

* 获得机身可用内存

*

* @return

*/

private String getRomAvailableSize() {

File path = Environment.getDataDirectory();

StatFs stat = new StatFs(path.getPath());

long blockSize = stat.getBlockSize();

long availableBlocks = stat.getAvailableBlocks();

return Formatter.formatFileSize(MainActivity.this, blockSize * availableBlocks);

}