Example usage for android.os Environment getExternalStoragePublicDirectory

Introduction

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

Prototype

public static File getExternalStoragePublicDirectory(String type)

Source Link

Document

Get a top-level shared/external storage directory for placing files of a particular type.

Usage

From source file:Main.java

@SuppressLint("SimpleDateFormat")
public static File createImageFile() throws IOException {
    // Create an image file name
    String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date());
    String imageFileName = "JPEG_" + timeStamp + "_";
    File storageDir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES);
    File image = File.createTempFile(imageFileName, /* prefix */
            JPEG_EXTENSION, /* suffix */
            storageDir /* directory */
    );/*from w w  w  .  ja va  2 s.c  o m*/
    return image;
}

From source file:Main.java

/**
 * Create an default file for save image from camera.
 *
 * @return/* w w  w . j  a  va2s.  c  o m*/
 * @throws IOException
 */
public static File createDefaultImageFile() throws IOException {
    String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss", Locale.getDefault()).format(new Date());
    String imageFileName = "JPEG_" + timeStamp + ".jpg";
    File storageDir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES);
    if (!storageDir.exists()) {
        storageDir.mkdirs();
    }
    return new File(storageDir, imageFileName);
}

From source file:Main.java

public static String getDir(Context context, String path) {
    //      File dir = context.getExternalFilesDir(Environment.DIRECTORY_PICTURES);
    File dir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES);
    path = dir.getAbsolutePath() + "/" + path;
    return path;//from w  ww  .  j av  a  2 s .  c  o  m
}

From source file:Main.java

/** Create a File for saving an image*/
private static File getOutputMediaFile(String fileName) {
    // To be safe, you should check that the SDCard is mounted
    // using Environment.getExternalStorageState() before doing this.

    File mediaStorageDir = new File(
            Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES), "DFCarChecker");

    // 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("DFCarChecker", "failed to create directory");
            return null;
        }/*from www  .j a v a2  s .c  o  m*/
    }

    File mediaFile;
    mediaFile = new File(mediaStorageDir.getPath() + File.separator + fileName + ".jpg");

    return mediaFile;
}

From source file:Main.java

public static Uri createImageFile() {
    // Create an image file name
    String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date());
    String imageFileName = "JPEG_" + timeStamp + "_";
    File storageDir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES);
    File image;//from www . j  a  va  2  s . co m
    try {
        image = File.createTempFile(imageFileName, /* prefix */
                ".jpg", /* suffix */
                storageDir /* directory */
        );
    } catch (IOException e) {
        Log.d(TAG, "create tmp file error!", e);
        return null;
    }
    return Uri.fromFile(image);
}

From source file:Main.java

/**
 * Create a File for saving an image or video
 *//*from   w ww  . j  a v  a  2  s  .co m*/
public static File getOutputMediaFile(int type) {
    // To be safe, you should check that the SDCard is mounted
    // using Environment.getExternalStorageState() before doing this.
    File mediaStorageDir = new File(
            Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES), "MyCameraApp");
    // 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("MyCameraApp", "failed to create directory");
            return null;
        }
    }
    // 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 if (type == MEDIA_TYPE_AUDIO) {
        mediaFile = new File(mediaStorageDir.getPath() + File.separator + "AUD_" + timeStamp + ".mp3");
    } else {
        return null;
    }
    return mediaFile;
}

From source file:Main.java

/**
 * Returns the music cache directory./*w  w w .  j  av  a2s  . c om*/
 * @return Music cache directory
 */
public static File getMusicCacheDir() {
    File music = Environment.getExternalStoragePublicDirectory("SismicsMusic");
    File cache = new File(music, "cache");
    if (!cache.exists()) {
        cache.mkdirs();
    }
    return cache;
}

From source file:Main.java

private static File getOutputMediaFile(int type) {

    File mediaStorageDir = new File(
            Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES), "");

    if (!mediaStorageDir.exists()) {
        if (!mediaStorageDir.mkdirs()) {
            Log.d("failed", "Oops! Failed create " + "Alumni Space Picture" + " directory");
            return null;
        }//  ww  w.java 2  s .  c  o m
    }

    // Create a media file name
    String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss", Locale.getDefault()).format(new Date());
    File mediaFile;
    if (type == 10) {
        mediaFile = new File(mediaStorageDir.getPath() + File.separator + "IMG_" + timeStamp + ".jpg");
    } else {
        return null;
    }

    return mediaFile;

}

From source file:Main.java

/**
 * Create a backup of the database.//from   ww w. j a v a 2 s .  c  o m
 *
 * @param context who calls the function.
 * @param dbName  Name of the database to backup. (If empty, radiomap.db is used).
 */
public static void exportDb(Context context, String dbName) {
    try {
        if (dbName.equals(""))
            dbName = "radiomap.db";

        File sd = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS);
        File data = Environment.getDataDirectory();

        if (sd.canWrite()) {
            String currentDBPath = "//data//" + context.getApplicationContext().getPackageName()
                    + "//databases//" + dbName;
            File currentDB = new File(data, currentDBPath);
            File backupDB = new File(sd, dbName);

            FileChannel src = new FileInputStream(currentDB).getChannel();
            FileChannel dst = new FileOutputStream(backupDB).getChannel();
            dst.transferFrom(src, 0, src.size());
            src.close();
            dst.close();

            Toast.makeText(context, "Datenbank nach Downloads exportiert!", Toast.LENGTH_LONG).show();
        }
    } catch (Exception e) {
        Log.e("Utils", e.getMessage());
        Toast.makeText(context, "Exportieren fehlgeschlagen!", Toast.LENGTH_LONG).show();
    }
}

From source file:Main.java

/**
 * Create a backup of the database.//from  www . ja v  a2s  .c  om
 *
 * @param context who calls the function.
 * @param dbName  Name of the database to backup. (If empty, radiomap.db is used).
 */
public static void importDb(Context context, String dbName) {
    try {
        if (dbName.equals(""))
            dbName = "radiomap.db";

        File sd = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS);
        File data = Environment.getDataDirectory();

        if (sd.canWrite()) {
            String currentDBPath = "//data//" + context.getApplicationContext().getPackageName()
                    + "//databases//" + dbName;
            File backupDB = new File(data, currentDBPath);
            File currentDB = new File(sd, dbName);

            FileChannel src = new FileInputStream(currentDB).getChannel();
            FileChannel dst = new FileOutputStream(backupDB).getChannel();
            dst.transferFrom(src, 0, src.size());
            src.close();
            dst.close();

            Toast.makeText(context, "Datenbank von Downloads importiert!", Toast.LENGTH_LONG).show();
        }
    } catch (Exception e) {
        Log.e("Utils", e.getMessage());
        Toast.makeText(context, "Import fehlgeschlagen!", Toast.LENGTH_LONG).show();
    }
}