Example usage for android.content Context getContentResolver

Introduction

In this page you can find the example usage for android.content Context getContentResolver.

Prototype

public abstract ContentResolver getContentResolver();

Source Link

Document

Return a ContentResolver instance for your application's package.

Usage

From source file:Main.java

public static int getCameraPhotoOrientation(Context context, Uri imageUri, String imagePath) {
    int rotate = 0;
    try {//from w w  w.j av a2 s. c o m
        context.getContentResolver().notifyChange(imageUri, null);
        File imageFile = new File(imagePath);
        ExifInterface exif = new ExifInterface(imageFile.getAbsolutePath());
        int orientation = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_NORMAL);

        switch (orientation) {
        case ExifInterface.ORIENTATION_ROTATE_270:
            rotate = 270;
            break;
        case ExifInterface.ORIENTATION_ROTATE_180:
            rotate = 180;
            break;
        case ExifInterface.ORIENTATION_ROTATE_90:
            rotate = 90;
            break;
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return rotate;
}

From source file:Main.java

public static Bitmap getVedioThubnailPath(String id, Context context) {
    long vedioId = Long.valueOf(id);
    BitmapFactory.Options option = new BitmapFactory.Options();
    return Thumbnails.getThumbnail(context.getContentResolver(), vedioId, Thumbnails.MINI_KIND, option);
}

From source file:Main.java

/**
 * Generate an input stream reading from an android URI
 * //from   ww w.j  av a  2  s .co  m
 * @param uri
 * @return
 * @throws IOException
 */
public static InputStream getFromURI(Context context, Uri uri) throws IOException {

    if (uri.getScheme().equals("content"))
        return context.getContentResolver().openInputStream(uri);
    else if (uri.getScheme().equals("file")) {
        URL url = new URL(uri.toString());

        return url.openStream();
    } else {
        HttpClient httpclient = new DefaultHttpClient();
        HttpGet httpget = new HttpGet(uri.toString());
        HttpResponse response = httpclient.execute(httpget);
        HttpEntity entity = response.getEntity();
        if (entity != null)
            return entity.getContent();
        else
            throw new IOException("No HTTP response");
        // Use the regular java stuff
        // URL url = new URL(uri.toString());

        // return url.openStream();
    }
}

From source file:Main.java

public static Bitmap getImageFromUri(Context ctx, Uri uri, int reqWidth, int reqHeight) throws IOException {
    InputStream iStream = ctx.getContentResolver().openInputStream(uri);
    byte[] inputData = getBytes(iStream);

    return decodeSampledBitmapFromBytes(inputData, reqWidth, reqHeight);
}

From source file:Main.java

public static Uri bitmap2Uri(final Context context, final Bitmap bitmap) {
    return context == null || bitmap == null ? null
            : Uri.parse(MediaStore.Images.Media.insertImage(context.getContentResolver(), bitmap, null, null));
}

From source file:Main.java

public static final Bitmap getBitmapFromUri(Context context, Uri uri) {
    if (uri == null)
        return null;
    try {//  w  w  w.ja  v  a 2  s.  co m
        InputStream is = context.getContentResolver().openInputStream(uri);
        BitmapFactory.Options imageOptions = new BitmapFactory.Options();
        Bitmap bmp = BitmapFactory.decodeStream(is, null, imageOptions);
        return bmp;
    } catch (Exception ex) {
        ex.printStackTrace();
        return null;
    }
}

From source file:Main.java

public static String formatTimestamp(Context context, long timestamp) {
    String HOURS_24 = "24";
    String hours;//from  w  ww .  ja  v  a 2s .  c o  m
    hours = Settings.System.getString(context.getContentResolver(), Settings.System.TIME_12_24);

    SimpleDateFormat mSDF = new SimpleDateFormat();
    if (HOURS_24.equals(hours)) {
        mSDF.applyLocalizedPattern(TIME_FORMAT_24_HOUR);
    } else {
        mSDF.applyLocalizedPattern(TIME_FORMAT_12_HOUR);
    }
    return mSDF.format(new Date(timestamp));
}

From source file:Main.java

/**
 * @param context The {@link Context} to use.
 * @param playlistId The playlist ID.//from  ww  w  .j  av  a2s  . co  m
 */
public static void clearPlaylist(final Context context, final int playlistId) {
    final Uri uri = MediaStore.Audio.Playlists.Members.getContentUri("external", playlistId);
    context.getContentResolver().delete(uri, null, null);
    return;
}

From source file:Main.java

public static Bitmap getBitmapFromUri(Uri uri, Context context) {
    ParcelFileDescriptor parcelFileDescriptor = null;
    try {/*from w  ww. jav a2 s.  c  o  m*/

        parcelFileDescriptor = context.getContentResolver().openFileDescriptor(uri, "r");
        FileDescriptor fileDescriptor = parcelFileDescriptor.getFileDescriptor();
        Bitmap image = BitmapFactory.decodeFileDescriptor(fileDescriptor);
        parcelFileDescriptor.close();
        return image;
    } catch (Exception e) {
        Log.e(TAG, "Failed to load image.", e);
        return null;
    } finally {
        try {
            if (parcelFileDescriptor != null) {
                parcelFileDescriptor.close();
            }
        } catch (IOException e) {
            e.printStackTrace();
            Log.e(TAG, "Error closing ParcelFile Descriptor");
        }
    }
}

From source file:Main.java

public static Bitmap getThumbnail(Context context, Uri uri, int size)
        throws FileNotFoundException, IOException {
    InputStream input = context.getContentResolver().openInputStream(uri);
    BitmapFactory.Options onlyBoundsOptions = new BitmapFactory.Options();
    onlyBoundsOptions.inJustDecodeBounds = true;
    onlyBoundsOptions.inDither = true;//optional
    onlyBoundsOptions.inPreferredConfig = Config.ARGB_8888;//optional
    BitmapFactory.decodeStream(input, null, onlyBoundsOptions);
    input.close();/* ww  w. java 2s  . co m*/
    if ((onlyBoundsOptions.outWidth == -1) || (onlyBoundsOptions.outHeight == -1))
        return null;
    int originalSize = (onlyBoundsOptions.outHeight > onlyBoundsOptions.outWidth) ? onlyBoundsOptions.outHeight
            : onlyBoundsOptions.outWidth;
    double ratio = (originalSize > size) ? (originalSize / size) : 1.0;
    BitmapFactory.Options bitmapOptions = new BitmapFactory.Options();
    bitmapOptions.inSampleSize = getPowerOfTwoForSampleRatio(ratio);
    bitmapOptions.inDither = true;//optional
    bitmapOptions.inPreferredConfig = Config.ARGB_8888;//optional
    input = context.getContentResolver().openInputStream(uri);
    Bitmap bitmap = BitmapFactory.decodeStream(input, null, bitmapOptions);
    input.close();
    return bitmap;
}