Example usage for android.os Environment MEDIA_NOFS

Introduction

In this page you can find the example usage for android.os Environment MEDIA_NOFS.

Prototype

String MEDIA_NOFS

To view the source code for android.os Environment MEDIA_NOFS.

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Document

Storage state if the media is present but is blank or is using an unsupported filesystem.

Usage

From source file:Main.java

/**
 * Returns the current state of the storage device that provides the given path.
 * @param state "getExternalStorageState()"
 *//*from  w  w w  .j  a v a 2  s .  c o  m*/
public static String getExternalStorageState(String state) {
    if (TextUtils.isEmpty(state)) {
        return UNKNOWN;
    }

    switch (state) {
    case Environment.MEDIA_BAD_REMOVAL://bad_removal
        return "MEDIA_BAD_REMOVAL";
    case Environment.MEDIA_CHECKING://checking
        return "MEDIA_CHECKING";
    case Environment.MEDIA_EJECTING://ejecting
        return "MEDIA_EJECTING";
    case Environment.MEDIA_MOUNTED://mounted
        return "MEDIA_MOUNTED";
    case Environment.MEDIA_MOUNTED_READ_ONLY://mounted_read_only
        return "MEDIA_MOUNTED_READ_ONLY";
    case Environment.MEDIA_NOFS://nofs
        return "MEDIA_NOFS";
    case Environment.MEDIA_REMOVED://removed
        return "MEDIA_REMOVED";
    case Environment.MEDIA_SHARED://shared
        return "MEDIA_SHARED";
    case Environment.MEDIA_UNKNOWN://unknown
        return "MEDIA_UNKNOWN";
    case Environment.MEDIA_UNMOUNTABLE://unmountable
        return "MEDIA_UNMOUNTABLE";
    case Environment.MEDIA_UNMOUNTED://unmounted
        return "MEDIA_UNMOUNTED";
    default:
        return UNKNOWN;
    }
}

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From source file:com.android.server.MountService.java

private void notifyVolumeStateChange(String label, String path, int oldState, int newState) {
    final StorageVolume volume;
    final String state;
    synchronized (mVolumesLock) {
        volume = mVolumesByPath.get(path);
        state = getVolumeState(path);// w ww  . j  a va 2 s .c  o  m
    }

    if (DEBUG_EVENTS)
        Slog.i(TAG, "notifyVolumeStateChange::" + state);

    String action = null;

    if (oldState == VolumeState.Shared && newState != oldState) {
        if (LOCAL_LOGD)
            Slog.d(TAG, "Sending ACTION_MEDIA_UNSHARED intent");
        sendStorageIntent(Intent.ACTION_MEDIA_UNSHARED, volume, UserHandle.ALL);
    }

    if (newState == VolumeState.Init) {
    } else if (newState == VolumeState.NoMedia) {
        // NoMedia is handled via Disk Remove events
    } else if (newState == VolumeState.Idle) {
        /*
         * Don't notify if we're in BAD_REMOVAL, NOFS, UNMOUNTABLE, or
         * if we're in the process of enabling UMS
         */
        if (!state.equals(Environment.MEDIA_BAD_REMOVAL) && !state.equals(Environment.MEDIA_NOFS)
                && !state.equals(Environment.MEDIA_UNMOUNTABLE) && !getUmsEnabling()) {
            if (DEBUG_EVENTS)
                Slog.i(TAG, "updating volume state for media bad removal nofs and unmountable");
            updatePublicVolumeState(volume, Environment.MEDIA_UNMOUNTED);
            action = Intent.ACTION_MEDIA_UNMOUNTED;
        }
    } else if (newState == VolumeState.Pending) {
    } else if (newState == VolumeState.Checking) {
        if (DEBUG_EVENTS)
            Slog.i(TAG, "updating volume state checking");
        updatePublicVolumeState(volume, Environment.MEDIA_CHECKING);
        action = Intent.ACTION_MEDIA_CHECKING;
    } else if (newState == VolumeState.Mounted) {
        if (DEBUG_EVENTS)
            Slog.i(TAG, "updating volume state mounted");
        updatePublicVolumeState(volume, Environment.MEDIA_MOUNTED);
        action = Intent.ACTION_MEDIA_MOUNTED;
    } else if (newState == VolumeState.Unmounting) {
        action = Intent.ACTION_MEDIA_EJECT;
    } else if (newState == VolumeState.Formatting) {
    } else if (newState == VolumeState.Shared) {
        if (DEBUG_EVENTS)
            Slog.i(TAG, "Updating volume state media mounted");
        /* Send the media unmounted event first */
        updatePublicVolumeState(volume, Environment.MEDIA_UNMOUNTED);
        sendStorageIntent(Intent.ACTION_MEDIA_UNMOUNTED, volume, UserHandle.ALL);

        if (DEBUG_EVENTS)
            Slog.i(TAG, "Updating media shared");
        updatePublicVolumeState(volume, Environment.MEDIA_SHARED);
        action = Intent.ACTION_MEDIA_SHARED;
        if (LOCAL_LOGD)
            Slog.d(TAG, "Sending ACTION_MEDIA_SHARED intent");
    } else if (newState == VolumeState.SharedMnt) {
        Slog.e(TAG, "Live shared mounts not supported yet!");
        return;
    } else {
        Slog.e(TAG, "Unhandled VolumeState {" + newState + "}");
    }

    if (action != null) {
        sendStorageIntent(action, volume, UserHandle.ALL);
    }
}

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From source file:com.android.server.MountService.java

private int doMountVolume(String path) {
    int rc = StorageResultCode.OperationSucceeded;

    final StorageVolume volume;
    synchronized (mVolumesLock) {
        volume = mVolumesByPath.get(path);
    }/*from w  ww. ja va2s .  co  m*/

    if (!volume.isEmulated() && hasUserRestriction(UserManager.DISALLOW_MOUNT_PHYSICAL_MEDIA)) {
        Slog.w(TAG, "User has restriction DISALLOW_MOUNT_PHYSICAL_MEDIA; cannot mount volume.");
        return StorageResultCode.OperationFailedInternalError;
    }

    if (DEBUG_EVENTS)
        Slog.i(TAG, "doMountVolume: Mouting " + path);
    try {
        mConnector.execute("volume", "mount", path);
    } catch (NativeDaemonConnectorException e) {
        /*
         * Mount failed for some reason
         */
        String action = null;
        int code = e.getCode();
        if (code == VoldResponseCode.OpFailedNoMedia) {
            /*
             * Attempt to mount but no media inserted
             */
            rc = StorageResultCode.OperationFailedNoMedia;
        } else if (code == VoldResponseCode.OpFailedMediaBlank) {
            if (DEBUG_EVENTS)
                Slog.i(TAG, " updating volume state :: media nofs");
            /*
             * Media is blank or does not contain a supported filesystem
             */
            updatePublicVolumeState(volume, Environment.MEDIA_NOFS);
            action = Intent.ACTION_MEDIA_NOFS;
            rc = StorageResultCode.OperationFailedMediaBlank;
        } else if (code == VoldResponseCode.OpFailedMediaCorrupt) {
            if (DEBUG_EVENTS)
                Slog.i(TAG, "updating volume state media corrupt");
            /*
             * Volume consistency check failed
             */
            updatePublicVolumeState(volume, Environment.MEDIA_UNMOUNTABLE);
            action = Intent.ACTION_MEDIA_UNMOUNTABLE;
            rc = StorageResultCode.OperationFailedMediaCorrupt;
        } else {
            rc = StorageResultCode.OperationFailedInternalError;
        }

        /*
         * Send broadcast intent (if required for the failure)
         */
        if (action != null) {
            sendStorageIntent(action, volume, UserHandle.ALL);
        }
    }

    return rc;
}

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