Android 6.0区别U盘和SD卡设备 Android 6.0区别U盘和SD卡设备的方法详解
wuqingyidongren 人气:0如下所示:
public static boolean isSdcardExists(Context context) { StorageManager storageManager = StorageManager.from(context.getApplicationContext()); List<VolumeInfo> volumes = storageManager.getVolumes(); for (VolumeInfo volInfo : volumes) { DiskInfo diskInfo = volInfo.getDisk(); if (diskInfo != null && diskInfo.isSd()) { String sdcardState = volInfo.getEnvironmentForState(volInfo.getState()); if (Environment.MEDIA_MOUNTED.equals(sdcardState)) { return true; } } } return false; }
public static int isudiskExists(Context context) { int num = 0; StorageManager storageManager = StorageManager.from(context.getApplicationContext()); List<VolumeInfo> volumes = storageManager.getVolumes(); for (VolumeInfo volInfo : volumes) { DiskInfo diskInfo = volInfo.getDisk(); if (diskInfo != null && diskInfo.isUsb()) { String sdcardState = volInfo.getEnvironmentForState(volInfo.getState()); if (Environment.MEDIA_MOUNTED.equals(sdcardState)) { num++; } } } return num; }
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