2019獨(dú)角獸企業(yè)重金招聘Python工程師標(biāo)準(zhǔn)>>>

/***?獲取sdcard使用情況*/private?void?setSdcardInfo(){if(Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)){File?filePath?=?Environment.getExternalStorageDirectory();????//獲得sd卡的路徑StatFs?stat=new?StatFs(filePath.getPath());?????????????????//創(chuàng)建StatFs對(duì)象long?blockSize=stat.getBlockSize();?????????????????????????//獲取block的sizefloat?totalBlocks=stat.getBlockCount();?????????????????????//獲取block的總數(shù)float?totalGbSize?=?(blockSize*totalBlocks)/1024/1024/1024;DecimalFormat?df?=?new?DecimalFormat(“#0.0″);String?totalGbSizeStr?=?df.format(totalGbSize);????????????//總共大小long?availableBlocks=stat.getAvailableBlocks();?????????????//獲取可用塊大小String?usedTotalGbSizeStr?=?df.format((totalBlocks?–?availableBlocks)?*?blockSize?/1024/1024/1024);//已用大小System.out.println(“存儲(chǔ)空間”+totalGbSizeStr+”G,已用”+usedTotalGbSizeStr+”G”);}else{Toast.makeText(this,”SD卡不存在”,Toast.LENGTH_LONG).show();}}

轉(zhuǎn)載于:https://my.oschina.net/u/1047462/blog/204622

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