公共布尔externalMemoryAvailable () {,
,,
,,,返回android.os.Environment.getExternalStorageState () .equals (android.os.Environment.MEDIA_MOUNTED);,
,,}
,,,
,,公共长getAvailableExternalMemorySize () {,
,,,
,,,,,,如果(externalMemoryAvailable ()) {,
,,
,,,,,,,,文件路径=Environment.getExternalStorageDirectory ();,
,,
,,,,,,,,全体员工统计=new全体员工(path.getPath ());,
,,
,,,,,,,,长blockSize=stat.getBlockSize ();,
,,,
,,,,,,,,长availableBlocks=stat.getAvailableBlocks ();,
,,
,,,,,,,,返回availableBlocks * blockSize/(1024 * 1024);//返回单位M,
,,
,,,,,,},
,,
,,,,,,其他{,
,,
,,,,,,,,返回1;,
,,,
,,,,,,},
,,,
,,},
