Example usage for android.content Context getContentResolver

List of usage examples for android.content Context getContentResolver

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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:com.kku.apps.pricesearch.util.Utils.java

public static Cursor readFavorites(Context context, ListItem item) {

    final ContentResolver cr = context.getContentResolver();
    final Cursor c = cr.query(SearchContract.URI_FAVORITES, null, FavoritesColumns.ITEMURL + " = ?",
            new String[] { item.getItemUrl() }, null);
    return c;/*w  w  w .j  a va2  s. com*/
}

From source file:Main.java

public static long uriFileSize(Context context, String contentUri) {
    long result = 0;
    Uri uri = Uri.parse(contentUri);/*from w  w  w.j ava2s .co m*/
    if (!uri.getScheme().equals("content")) {
        return (fileUriFileSize(context, contentUri));
    }
    String[] p = { MediaStore.MediaColumns.SIZE };
    Cursor cursor = context.getContentResolver().query(uri, p, // which columns
            null, // which rows (all rows)
            null, // selection args (none)
            null); // order-by clause (ascending by name)
    if (cursor != null) {
        int iColumn = cursor.getColumnIndexOrThrow(MediaStore.MediaColumns.SIZE);
        if (cursor.moveToFirst()) {
            result = cursor.getLong(iColumn);
        }
    }
    return (result);
}

From source file:com.whiuk.philip.opensmime.PathConverter.java

private static FileInformation handleContentScheme(Context context, Uri uri) {
    try {//w  ww. ja  v  a 2s  .  c  om
        ContentResolver contentResolver = context.getContentResolver();

        // all fields for one document
        Cursor cursor = contentResolver.query(uri, null, null, null, null, null);
        if (cursor != null && cursor.moveToFirst()) {

            // Note it's called "Display Name".  This is
            // provider-specific, and might not necessarily be the file name.
            String displayName = cursor.getString(cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME));
            String mimeType = cursor
                    .getString(cursor.getColumnIndex(DocumentsContract.Document.COLUMN_MIME_TYPE));
            InputStream stream = contentResolver.openInputStream(uri);
            File tmpFile = copyToTempFile(context, stream);
            return new FileInformation(tmpFile, displayName, mimeType);
        }

    } catch (IOException e) {
        Log.e(OpenSMIME.LOG_TAG, "error in PathConverter.handleContentScheme", e);
    }

    return null;
}

From source file:de.fau.cs.mad.smile.android.encryption.PathConverter.java

private static FileInformation handleContentScheme(Context context, Uri uri) {
    try {/*from  w  w w.  j av a  2  s  .com*/
        ContentResolver contentResolver = context.getContentResolver();

        // all fields for one document
        Cursor cursor = contentResolver.query(uri, null, null, null, null, null);
        if (cursor != null && cursor.moveToFirst()) {

            // Note it's called "Display Name".  This is
            // provider-specific, and might not necessarily be the file name.
            String displayName = cursor.getString(cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME));
            String mimeType = cursor
                    .getString(cursor.getColumnIndex(DocumentsContract.Document.COLUMN_MIME_TYPE));
            InputStream stream = contentResolver.openInputStream(uri);
            File tmpFile = copyToTempFile(context, stream);
            return new FileInformation(tmpFile, displayName, mimeType);
        }

    } catch (IOException e) {
        Log.e(SMileCrypto.LOG_TAG, "error in PathConverter.handleContentScheme", e);
    }

    return null;
}

From source file:Main.java

public static String uriTitle(Context context, String contentUri) {
    String result = null;//from   w w w  . j  a  va  2s  . co  m
    String[] p = { MediaStore.MediaColumns.TITLE };
    Uri uri = Uri.parse(contentUri);
    if (!uri.getScheme().equals("content")) {
        return (fileUriTitle(context, contentUri));
    }
    Cursor cursor = context.getContentResolver().query(uri, p, // which columns
            null, // which rows (all rows)
            null, // selection args (none)
            null); // order-by clause (ascending by name)
    if (cursor != null) {
        int iColumn = cursor.getColumnIndexOrThrow(MediaStore.MediaColumns.TITLE);
        if (cursor.moveToFirst()) {
            result = cursor.getString(iColumn);
        }
    }
    return (result);
}

From source file:Main.java

public static InputStream createWallpaperInputStream(Context context, String preferenceValue)
        throws FileNotFoundException {
    File file = new File(preferenceValue);
    if (file.exists()) {
        return new FileInputStream(file);
    }/*from  w  w w  .j  a va  2s.c o  m*/

    Uri uri = Uri.parse(preferenceValue);
    ContentResolver contentResolver = context.getContentResolver();
    try {
        return contentResolver.openInputStream(uri);
    } catch (SecurityException e) {
        Log.i("ThemingUtils", "unable to open background image", e);
        FileNotFoundException fileNotFoundException = new FileNotFoundException(e.getMessage());
        fileNotFoundException.initCause(e);
        throw fileNotFoundException;
    }
}

From source file:Main.java

/**
 * Opens an InputStream for the person's photo and returns the photo as a
 * Bitmap. If the person's photo isn't present returns the
 * placeholderImageResource instead./*w w w.  j ava  2  s . co  m*/
 * 
 * @param context
 *            the Context
 * @param id
 *            the id of the person
 * @param placeholderImageResource
 *            the image resource to use if the person doesn't have a photo
 * @param options
 *            the decoding options, can be set to null
 */
public static Bitmap loadContactPhoto(Context context, Uri contactUri, int placeholderImageResource,
        BitmapFactory.Options options) {

    if (contactUri == null) {
        return loadPlaceholderPhoto(placeholderImageResource, context, options);
    }

    InputStream stream = Contacts.openContactPhotoInputStream(context.getContentResolver(), contactUri);

    Bitmap bm = stream != null ? BitmapFactory.decodeStream(stream, null, options) : null;
    if (bm == null) {
        bm = loadPlaceholderPhoto(placeholderImageResource, context, options);
    }

    return bm;
}

From source file:Main.java

/**
 * Reads <tt>Bitmap</tt> from given <tt>uri</tt> using
 * <tt>ContentResolver</tt>. Output image is scaled to given
 * <tt>reqWidth</tt> and <tt>reqHeight</tt>. Output size is not guaranteed
 * to match exact given values, because only powers of 2 are used as scale
 * factor. Algorithm tries to scale image down as long as the output size
 * stays larger than requested value.//ww w  .j a va2 s  .  c  om
 *
 * @param ctx the context used to create <tt>ContentResolver</tt>.
 * @param uri the <tt>Uri</tt> that points to the image.
 * @param reqWidth requested width.
 * @param reqHeight requested height.
 * @return <tt>Bitmap</tt> from given <tt>uri</tt> retrieved using
 * <tt>ContentResolver</tt> and down sampled as close as possible to match
 * requested width and height.
 * @throws IOException
 */
public static Bitmap scaledBitmapFromContentUri(Context ctx, Uri uri, int reqWidth, int reqHeight)
        throws IOException {
    InputStream imageStream = null;
    try {
        // First decode with inJustDecodeBounds=true to check dimensions
        imageStream = ctx.getContentResolver().openInputStream(uri);
        if (imageStream == null)
            return null;

        final BitmapFactory.Options options = new BitmapFactory.Options();
        options.inJustDecodeBounds = true;
        BitmapFactory.decodeStream(imageStream, null, options);
        imageStream.close();

        // Calculate inSampleSize
        options.inSampleSize = calculateInSampleSize(options, reqWidth, reqHeight);

        // Decode bitmap with inSampleSize set
        options.inJustDecodeBounds = false;
        imageStream = ctx.getContentResolver().openInputStream(uri);

        return BitmapFactory.decodeStream(imageStream, null, options);
    } finally {
        if (imageStream != null) {
            imageStream.close();
        }
    }
}

From source file:Main.java

public static Bitmap decodeUriToCompressedBitmap(Uri selectedImage, Context context)
        throws FileNotFoundException {
    // The new size we want to scale to
    final int REQUIRED_SIZE = 140;

    // Decode image size
    BitmapFactory.Options o = new BitmapFactory.Options();
    o.inJustDecodeBounds = true;//from  www .ja v  a 2  s.  co m
    BitmapFactory.decodeStream(context.getContentResolver().openInputStream(selectedImage), null, o);

    // Find the correct scale value. It should be the power of 2.
    int width_tmp = o.outWidth, height_tmp = o.outHeight;
    int scale = 1;
    while (true) {
        if (width_tmp / 2 < REQUIRED_SIZE || height_tmp / 2 < REQUIRED_SIZE) {
            break;
        }
        width_tmp /= 2;
        height_tmp /= 2;
        scale *= 2;
    }

    // Decode with inSampleSize
    BitmapFactory.Options o2 = new BitmapFactory.Options();
    o2.inSampleSize = scale;
    return BitmapFactory.decodeStream(context.getContentResolver().openInputStream(selectedImage), null, o2);
}

From source file:Main.java

public static List<String> listAlldir(Context cxt) {
    Intent intent = new Intent(Intent.ACTION_PICK,
            android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
    Uri uri = intent.getData();//from   w  w w  .  j ava  2s  .  co  m
    List<String> list = new ArrayList<String>();
    String[] proj = { MediaStore.Images.Media.DATA };
    Cursor cursor = cxt.getContentResolver().query(uri, proj, null, null, null);
    while (cursor.moveToNext()) {
        String path = cursor.getString(0);
        list.add(new File(path).getAbsolutePath());
    }
    return list;
}