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/** * 获取有效可用空间大小,单位byte * @param path * @return */ @SuppressLint("NewApi") private long getAvailableBytesByPath(String path) { long size = 0; mStatFs.restat(path); if (VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN_MR2) { size = mStatFs.getAvailableBytes(); }else { long availableBlocks = mStatFs.getAvailableBlocks(); long blockSize = mStatFs.getBlockSize(); size = availableBlocks * blockSize; } return size; }
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原文地址:http://blog.csdn.net/zhongshansubor/article/details/42143879