Example usage for android.os Environment getExternalStorageDirectory

List of usage examples for android.os Environment getExternalStorageDirectory

  1. HOME
  2. Java
  3. android
  4. android.os.*
  5. Environment
  6. getExternalStorageDirectory

Introduction

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

Prototype

public static File getExternalStorageDirectory()

Source Link

Document

Return the primary shared/external storage directory.

Usage

From source file:Main.java

public static String writeBitmap(byte[] data, int cameraDegree, Rect rect, Rect willTransformRect)
        throws IOException {
    File file = new File(Environment.getExternalStorageDirectory() + "/bookclip/");
    file.mkdir();/* www  . j  a  v  a2  s.c o m*/
    String bitmapPath = file.getPath() + "/" + System.currentTimeMillis() + ".png";

    // bitmap rotation, scaling, crop
    BitmapFactory.Options option = new BitmapFactory.Options();
    option.inSampleSize = 2;
    Bitmap bitmap = BitmapFactory.decodeByteArray(data, 0, data.length, option);
    Matrix bitmapMatrix = new Matrix();
    bitmapMatrix.setRotate(cameraDegree);
    int x = rect.left, y = rect.top, width = rect.right - rect.left, height = rect.bottom - rect.top;
    Bitmap rotateBitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), bitmapMatrix,
            false);
    // bitmap recycle
    bitmap.recycle();

    Bitmap scaledBitmap = Bitmap.createScaledBitmap(rotateBitmap, willTransformRect.right,
            willTransformRect.bottom - willTransformRect.top, false);
    // rotatebitmap recycle
    rotateBitmap.recycle();

    Bitmap cropBitmap = Bitmap.createBitmap(scaledBitmap, x, y, width, height, null, false);
    // scaledBitmap recycle
    scaledBitmap.recycle();

    // file write
    FileOutputStream fos = new FileOutputStream(new File(bitmapPath));
    cropBitmap.compress(CompressFormat.PNG, 100, fos);
    fos.flush();
    fos.close();

    // recycle
    cropBitmap.recycle();

    return bitmapPath;
}

From source file:Main.java

@TargetApi(Build.VERSION_CODES.KITKAT)
private static String handleKitKatVersion(final Context context, final Uri uri) {
    // ExternalStorageProvider
    if (isExternalStorageDocument(uri)) {
        final String[] split = getMediaData(uri);
        final String type = split[0];

        if ("primary".equalsIgnoreCase(type)) {
            return Environment.getExternalStorageDirectory() + "/" + split[1];
        }//from  www. jav a2s  . c  om

        // TODO handle non-primary volumes
    }
    // DownloadsProvider
    else if (isDownloadsDocument(uri)) {

        final String id = DocumentsContract.getDocumentId(uri);
        final Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"),
                Long.valueOf(id));

        return getDataColumn(context, contentUri, null, null);
    }
    // MediaProvider
    else if (isMediaDocument(uri)) {
        final String[] split = getMediaData(uri);
        final String type = split[0];

        Uri contentUri = getContentUri(type);

        final String selection = "_id=?";
        final String[] selectionArgs = new String[] { split[1] };
        return getDataColumn(context, contentUri, selection, selectionArgs);
    }
    return null;
}

From source file:Main.java

public static String getRootFolder(@NonNull Context context) {
    String rootPath = null;//from w  w  w .j a v  a  2s . co m

    if (android.os.Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState())) {
        rootPath = Environment.getExternalStorageDirectory().getAbsolutePath();
    } else {
        rootPath = context.getFilesDir().getAbsolutePath();
    }
    return rootPath;
}

From source file:Main.java

public static String getAbsolutePath(final Context context, final Uri uri) {
    // DocumentProvider
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT && DocumentsContract.isDocumentUri(context, uri)) {
        // ExternalStorageProvider
        if (isExternalStorageDocument(uri)) {
            final String docId = DocumentsContract.getDocumentId(uri);
            final String[] split = docId.split(":");
            final String type = split[0];

            if ("primary".equalsIgnoreCase(type)) {
                return Environment.getExternalStorageDirectory() + "/" + split[1];
            }/*from   w  w w  .j  a v a2  s . co m*/

        }
        // DownloadsProvider
        else if (isDownloadsDocument(uri)) {

            final String id = DocumentsContract.getDocumentId(uri);
            final Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"),
                    Long.valueOf(id));

            return getDataColumn(context, contentUri, null, null);
        }
        // MediaProvider
        else if (isMediaDocument(uri)) {
            final String docId = DocumentsContract.getDocumentId(uri);
            final String[] split = docId.split(":");
            final String type = split[0];

            Uri contentUri = null;
            if ("image".equals(type)) {
                contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
            } else if ("video".equals(type)) {
                contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
            } else if ("audio".equals(type)) {
                contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
            }

            final String selection = "_id=?";
            final String[] selectionArgs = new String[] { split[1] };

            return getDataColumn(context, contentUri, selection, selectionArgs);
        }
    }
    // MediaStore (and general)
    else if ("content".equalsIgnoreCase(uri.getScheme())) {
        return getDataColumn(context, uri, null, null);
    }
    // File
    else if ("file".equalsIgnoreCase(uri.getScheme())) {
        return uri.getPath();
    }

    return null;
}

From source file:Main.java

@SuppressLint("NewApi")
public static final long getUsableSpace(String accountName) {
    File savePath = Environment.getExternalStorageDirectory();
    if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.GINGERBREAD) {
        return savePath.getUsableSpace();

    } else {/*from   w  w  w. java  2s  . co  m*/
        StatFs stats = new StatFs(savePath.getAbsolutePath());
        return stats.getAvailableBlocks() * stats.getBlockSize();
    }

}

From source file:Main.java

private static File getDirectoryBoards() {
    File file = new File(Environment.getExternalStorageDirectory(), DIR_BOARDS_EXTERNAL);
    if (!file.exists()) {
        file.mkdir();/* ww  w .j a  va  2 s  .  c o m*/
    }

    return file;
}

From source file:Main.java

public static void cropImgFromSelfCenter(Uri uri) {
    Intent intent = new Intent("com.android.camera.action.CROP");
    intent.setDataAndType(uri, "image/*");
    intent.putExtra("crop", "true");
    intent.putExtra("aspectX", 110);
    intent.putExtra("aspectY", 135);
    intent.putExtra("outputX", 110);
    intent.putExtra("outputY", 135);
    intent.putExtra("return-data", false);
    intent.putExtra("noFaceDetection", true);
    File mFile = new File(Environment.getExternalStorageDirectory() + "/yourName");
    if (!mFile.exists())
        mFile.mkdirs();/*w w  w .j a  v  a 2 s. co  m*/
    mCropAvatar = new File(CROP_IMG_PATH);
    if (mCropAvatar.exists())
        mCropAvatar.delete();
    mCropUri = Uri.fromFile(mCropAvatar);
    intent.putExtra(MediaStore.EXTRA_OUTPUT, mCropUri);
    mActivity.startActivityForResult(intent, REQUEST_CROP_RETURN_SELF_CENTER);
}

From source file:Main.java

public static String getRealPath(final Context context, final Uri uri) {

    // DocumentProvider
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT && DocumentsContract.isDocumentUri(context, uri)) {
        // ExternalStorageProvider
        if (isExternalStorageDocument(uri)) {
            final String docId = DocumentsContract.getDocumentId(uri);
            final String[] split = docId.split(":");
            final String type = split[0];

            if ("primary".equalsIgnoreCase(type)) {
                return Environment.getExternalStorageDirectory() + "/" + split[1];
            }/*from   w  ww  .j a  v  a2s  .com*/

            // TODO handle non-primary volumes
        }
        // DownloadsProvider
        else if (isDownloadsDocument(uri)) {

            final String id = DocumentsContract.getDocumentId(uri);
            final Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"),
                    Long.valueOf(id));

            return getDataColumn(context, contentUri, null, null);
        }
        // MediaProvider
        else if (isMediaDocument(uri)) {
            final String docId = DocumentsContract.getDocumentId(uri);
            final String[] split = docId.split(":");
            final String type = split[0];

            Uri contentUri = null;
            if ("image".equals(type)) {
                contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
            } else if ("video".equals(type)) {
                contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
            } else if ("audio".equals(type)) {
                contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
            }

            final String selection = "_id=?";
            final String[] selectionArgs = new String[] { split[1] };

            return getDataColumn(context, contentUri, selection, selectionArgs);
        }
    }
    // MediaStore (and general)
    else if ("content".equalsIgnoreCase(uri.getScheme())) {

        // Return the remote address
        if (isGooglePhotosUri(uri))
            return uri.getLastPathSegment();

        return getDataColumn(context, uri, null, null);
    }
    // File
    else if ("file".equalsIgnoreCase(uri.getScheme())) {
        return uri.getPath();
    }

    return null;
}

From source file:Main.java

/**
 * /*from   w w w. j  a va 2  s  .  c o m*/
 * @param context
 */
public static void notifyScanMediaFiles(Context context) {
    context.sendBroadcast(new Intent(Intent.ACTION_MEDIA_MOUNTED,
            Uri.parse("file://" + Environment.getExternalStorageDirectory())));
}

From source file:Main.java

/**
 * @return the root of the filesystem containing the given path
 *//*from   w  ww .  ja va  2  s . c o  m*/
public static File getFilesystemRoot(String path) {
    File cache = Environment.getDownloadCacheDirectory();
    if (path.startsWith(cache.getPath())) {
        return cache;
    }
    File external = Environment.getExternalStorageDirectory();
    if (path.startsWith(external.getPath())) {
        return external;
    }
    throw new IllegalArgumentException("Cannot determine filesystem root for " + path);
}