Example usage for android.os Environment MEDIA

Introduction

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

Prototype

String MEDIA_MOUNTED

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

Click Source Link

Document

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

Usage

From source file:Main.java

public static boolean isExternalStorageAvailable() {
    return Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState());
}

From source file:Main.java

public static String GetSdcardSystemPath() {
    String rootpath = "";
    if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
        rootpath = Environment.getExternalStorageDirectory().toString();
    }/*from   ww w .jav  a 2s .  c om*/
    return rootpath;
}

From source file:Main.java

/** Create a File for saving an image or video */
public static File getOutputMediaFile(int type) {
    if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED))
        return null;

    File mediaStorageDir = new File(
            Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES), "MacauFood");
    // This location works best if you want the created images to be shared
    // between applications and persist after your app has been uninstalled.

    // Create the storage directory if it does not exist
    if (!mediaStorageDir.exists()) {
        if (!mediaStorageDir.mkdirs()) {
            Log.d("MacauFood", "failed to create directory");
            return null;
        }/* w ww. j a v a  2  s  .  c o  m*/
    }

    // Create a media file name
    String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date());
    File mediaFile;
    if (type == MEDIA_TYPE_IMAGE) {
        mediaFile = new File(mediaStorageDir.getPath() + File.separator + "IMG_" + timeStamp + ".jpg");
    } else if (type == MEDIA_TYPE_VIDEO) {
        mediaFile = new File(mediaStorageDir.getPath() + File.separator + "VID_" + timeStamp + ".mp4");
    } else {
        return null;
    }

    return mediaFile;
}

From source file:Main.java

public static boolean isExternalStorageWritable() {
    // get the external storage condition
    String state = Environment.getExternalStorageState();

    // if writable
    if (Environment.MEDIA_MOUNTED.equals(state)) {
        return true;
    }//from  w  w w  .ja va  2  s  .co  m

    return false;
}

From source file:Main.java

/**
 * Returns application cache directory. Cache directory will be created on SD card
 * <i>("/Android/data/[app_package_name]/cache")</i> if card is mounted. Else - Android defines cache directory on
 * device's file system.//  ww w.  ja v a 2s  .  c o m
 * 
 * @param context Application context
 * @return Cache {@link File directory}
 */
public static File getCacheDirectory(Context context) {
    File appCacheDir = null;
    if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
        appCacheDir = getExternalCacheDir(context);
    }
    if (appCacheDir == null) {
        appCacheDir = context.getCacheDir();
    }
    return appCacheDir;
}

From source file:Main.java

public static File getAlbumDir() {
    if (Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState())) {
        File dir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES);
        File storageDir = new File(dir, "MyAlbum");

        if (!storageDir.mkdirs()) {
            if (!storageDir.exists()) {
                return null;
            }/* w  ww .  ja va2 s.  c om*/
        }

        return storageDir;

    } else {
        return null;
    }
}

From source file:Main.java

public static String unzip(String filename) throws IOException {
    BufferedOutputStream origin = null;
    String path = null;//from w  w  w . ja v a2s  .  c  o m
    Integer BUFFER_SIZE = 20480;
    if (android.os.Environment.getExternalStorageState().equals(android.os.Environment.MEDIA_MOUNTED)) {

        File flockedFilesFolder = new File(
                Environment.getExternalStorageDirectory() + File.separator + "FlockLoad");
        System.out.println("FlockedFileDir: " + flockedFilesFolder);
        String compressedFile = flockedFilesFolder.toString() + "/" + filename;
        System.out.println("compressed File name:" + compressedFile);
        //String uncompressedFile = flockedFilesFolder.toString()+"/"+"flockUnZip";
        File purgeFile = new File(compressedFile);

        try {
            ZipInputStream zin = new ZipInputStream(new FileInputStream(compressedFile));
            BufferedInputStream bis = new BufferedInputStream(zin);
            try {
                ZipEntry ze = null;
                while ((ze = zin.getNextEntry()) != null) {
                    byte data[] = new byte[BUFFER_SIZE];
                    path = flockedFilesFolder.toString() + "/" + ze.getName();
                    System.out.println("path is:" + path);
                    if (ze.isDirectory()) {
                        File unzipFile = new File(path);
                        if (!unzipFile.isDirectory()) {
                            unzipFile.mkdirs();
                        }
                    } else {
                        FileOutputStream fout = new FileOutputStream(path, false);
                        origin = new BufferedOutputStream(fout, BUFFER_SIZE);
                        try {
                            /* for (int c = bis.read(data, 0, BUFFER_SIZE); c != -1; c = bis.read(data)) {
                            origin.write(c);
                             }
                             */
                            int count;
                            while ((count = bis.read(data, 0, BUFFER_SIZE)) != -1) {
                                origin.write(data, 0, count);
                            }
                            zin.closeEntry();
                        } finally {
                            origin.close();
                            fout.close();

                        }
                    }
                }
            } finally {
                bis.close();
                zin.close();
                purgeFile.delete();
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return path;
    }
    return null;
}

From source file:Main.java

public static boolean externalMemoryAvailable() {
    return android.os.Environment.getExternalStorageState().equals(android.os.Environment.MEDIA_MOUNTED);
}

From source file:Main.java

private static File createMediaFile(Context context, String parentPath) {
    String state = Environment.getExternalStorageState();
    File rootDir = state.equals(Environment.MEDIA_MOUNTED) ? Environment.getExternalStorageDirectory()
            : context.getCacheDir();//from www.  j  ava 2 s  .  c  om

    File folderDir = new File(rootDir.getAbsolutePath() + parentPath);
    if (!folderDir.exists() && folderDir.mkdirs()) {

    }

    String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss", Locale.CHINA).format(new Date());
    String fileName = APP_NAME + "_" + timeStamp + "";
    File tmpFile = new File(folderDir, fileName + POSTFIX);
    return tmpFile;
}

From source file:Main.java

/**
 * Helper method to initiate cache directory. It will return the cache directory in File format,
 * or NULL if the directory path is invalid or not accessible.
 *//*from  w w w  .  ja va  2 s .  co  m*/
public static File getCacheDirectory(final Context context, final String path) {
    File cacheDir = null;
    if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
        try {
            cacheDir = context.getExternalCacheDir();
        } catch (NullPointerException e) {
            // Fallback to use internal storage if external storage isn't available.
        }
    }
    if (cacheDir == null) {
        cacheDir = context.getCacheDir();
    }
    return (cacheDir != null && path != null) ? new File(cacheDir, path) : null;
}

Example usage for android.os Environment MEDIA_MOUNTED

Introduction

Prototype

Document

Usage