Example usage for android.os Environment MEDIA_MOUNTED_READ

Introduction

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

Prototype

String MEDIA_MOUNTED_READ_ONLY

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

Click Source Link

Document

Storage state if the media is present and mounted at its mount point with read-only access.

Usage

From source file:Main.java

public static boolean isExternalStorageMounted() {

    boolean canRead = Environment.getExternalStorageDirectory().canRead();
    boolean onlyRead = Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED_READ_ONLY);
    boolean unMounted = Environment.getExternalStorageState().equals(Environment.MEDIA_UNMOUNTED);

    return !(!canRead || onlyRead || unMounted);
}

From source file:Main.java

public static boolean isExternalStorageReadable() {
    String state = Environment.getExternalStorageState();
    return (Environment.MEDIA_MOUNTED.equals(state) || Environment.MEDIA_MOUNTED_READ_ONLY.equals(state));
}

From source file:Main.java

public static boolean CheckExternStorage(Context context) {
    String state = Environment.getExternalStorageState();
    if (Environment.MEDIA_MOUNTED.equals(state) || Environment.MEDIA_MOUNTED_READ_ONLY.equals(state)) {
        return true;
    } else {//from  w  w  w . j  a v a 2 s  . com
        return false;
    }
}

From source file:Main.java

/**
 * Check is SD card is ready for read//from  w w w. j  a v a 2 s . co  m
 * 
 * @return
 */
public static boolean isSDReadable() {
    String state = Environment.getExternalStorageState();
    return Environment.MEDIA_MOUNTED.equals(state) || Environment.MEDIA_MOUNTED_READ_ONLY.equals(state);
}

From source file:Main.java

/** Returns true if external storage is readable. */
public static boolean isExtStorageReadable() {
    String state = Environment.getExternalStorageState();
    return Environment.MEDIA_MOUNTED.equals(state) || Environment.MEDIA_MOUNTED_READ_ONLY.equals(state);
}

From source file:Main.java

public static File[] getMountedVolumesAsFile() {
    final String state = Environment.getExternalStorageState();
    if (Environment.MEDIA_MOUNTED.equals(state) || Environment.MEDIA_MOUNTED_READ_ONLY.equals(state)) { // we can read the External Storage...           
        //Retrieve the primary External Storage:
        final File primaryExternalStorage = Environment.getExternalStorageDirectory();

        //Retrieve the External Storages root directory:
        String externalStorageRootDir = null;
        if ((externalStorageRootDir = primaryExternalStorage.getParent()) == null) { // no parent...
            return (new File[] { primaryExternalStorage });
        } else {//from   www.j  a va 2s.co m
            final File externalStorageRoot = new File(externalStorageRootDir);
            final File[] files = externalStorageRoot.listFiles(new FilenameFilter() {

                @Override
                public boolean accept(File dir, String filename) {
                    // TODO Auto-generated method stub

                    File file = new File(dir, filename);
                    if (file.isDirectory() && file.canRead() && file.canWrite() && !file.isHidden()) {
                        return true;
                    }
                    return false;
                }

            }); //.listFiles();
            List<File> data = new ArrayList<File>();

            for (final File file : files) {
                if (file.isDirectory() && file.canRead() && file.canWrite() && !file.isHidden()
                        && (files.length > 0)) { // it is a real directory (not a USB drive)...
                    if (file.toString().equals(primaryExternalStorage.toString()))
                        data.add(file);
                    else {
                        if (!file.toString().contains("usb") || !file.toString().contains("USB")) {
                            data.add(file);
                        }
                    }
                }
            }
            return data.toArray(new File[data.size()]);
        }
    } else {
        // we cannot read the External Storage..., return null
        return null;
    }
}

From source file:Main.java

private static boolean checkExternalMedia() {
    boolean mExternalStorageWriteable = false;
    String state = Environment.getExternalStorageState();

    if (Environment.MEDIA_MOUNTED.equals(state)) {
        // Can read and write the media
        mExternalStorageWriteable = true;
    } else if (Environment.MEDIA_MOUNTED_READ_ONLY.equals(state)) {
        mExternalStorageWriteable = false;
    } else {/*from  w w w .j  av a2 s  .  c o  m*/
        mExternalStorageWriteable = false;
    }
    return mExternalStorageWriteable;
}

From source file:Main.java

public static String[] getMountedVolumes() {
    final String state = Environment.getExternalStorageState();
    if (Environment.MEDIA_MOUNTED.equals(state) || Environment.MEDIA_MOUNTED_READ_ONLY.equals(state)) { // we can read the External Storage...           
        //Retrieve the primary External Storage:
        final File primaryExternalStorage = Environment.getExternalStorageDirectory();

        //Retrieve the External Storages root directory:
        String externalStorageRootDir = null;
        if ((externalStorageRootDir = primaryExternalStorage.getParent()) == null) { // no parent...
            return (new String[] { "ONLY A SINGLE VOLUME HAS BEEN DETECTED!",
                    (Environment.isExternalStorageRemovable() ? "(REMOVABLE SD-CARD)" : "(INTERNAL STORAGE)")
                            + " PRIMARY STORAGE: " + primaryExternalStorage });
        } else {/*from  w ww.  ja va2 s  . co  m*/
            final File externalStorageRoot = new File(externalStorageRootDir);
            final File[] files = externalStorageRoot.listFiles(new FilenameFilter() {

                @Override
                public boolean accept(File dir, String filename) {
                    // TODO Auto-generated method stub

                    File file = new File(dir, filename);
                    if (file.isDirectory() && file.canRead() && file.canWrite() && !file.isHidden()) {
                        return true;
                    }
                    return false;
                }

            }); //.listFiles();
            List<String> data = new ArrayList<String>();
            if (files.length > 1) {
                data.add("MULTIPLE VOLUMES HAS BEEN DETECTED!");
                data.add("Enumerating detected volumes . . .");
            } else {
                data.add("ONLY A SINGLE VOLUME HAS BEEN DETECTED!");
            }

            for (final File file : files) {
                if (file.isDirectory() && file.canRead() && file.canWrite() && !file.isHidden()
                        && (files.length > 0)) { // it is a real directory (not a USB drive)...
                    if (file.toString().equals(primaryExternalStorage.toString()))
                        data.add((Environment.isExternalStorageRemovable() ? "(REMOVABLE SD-CARD)"
                                : "(INTERNAL Memory)") + " PRIMARY STORAGE: " + file.getAbsolutePath());
                    else {
                        data.add(((file.toString().contains("usb") || file.toString().contains("USB"))
                                ? "MOUNTED USB"
                                : "MOUNTED") + " STORAGE: " + file.getAbsolutePath());
                    }
                }
            }
            return data.toArray(new String[data.size()]);
        }
    } else {
        // we cannot read the External Storage..., return null
        return null;
    }

}

From source file:Main.java

public static boolean isExternalMemoryPresent() {
    String externalStorageState = Environment.getExternalStorageState();
    return externalStorageState.equals(Environment.MEDIA_MOUNTED_READ_ONLY);
}

From source file:Main.java

public static boolean isExternalStorageWriteable() {
    boolean mExternalStorageAvailable = false;
    boolean mExternalStorageWriteable = false;
    String state = Environment.getExternalStorageState();

    if (Environment.MEDIA_MOUNTED.equals(state)) {
        // We can read and write the media
        mExternalStorageAvailable = mExternalStorageWriteable = true;
    } else if (Environment.MEDIA_MOUNTED_READ_ONLY.equals(state)) {
        // We can only read the media
        mExternalStorageAvailable = true;
        mExternalStorageWriteable = false;
    } else {/*from  w w  w  .  j  a  v  a 2s .  co m*/
        // Something else is wrong. It may be one of many other states, but all we need
        //  to know is we can neither read nor write
        mExternalStorageAvailable = mExternalStorageWriteable = false;
    }

    return mExternalStorageAvailable & mExternalStorageWriteable;
}

Example usage for android.os Environment MEDIA_MOUNTED_READ_ONLY

Introduction

Prototype

Document

Usage