Example usage for android.database Cursor moveToFirst

List of usage examples for android.database Cursor moveToFirst

  1. HOME
  2. Java
  3. android
  4. android.database.*
  5. Cursor
  6. moveToFirst

Introduction

In this page you can find the example usage for android.database Cursor moveToFirst.

Prototype

boolean moveToFirst();

Source Link

Document

Move the cursor to the first row.

Usage

From source file:Main.java

public static String getRealPathFromURI(Uri contentUri, Context ctx) {
    Log.d("thong", "Uri: " + contentUri.toString());

    try {/*from  w  ww .j a va  2  s .c  om*/
        String realpath = "";

        String[] proj = { MediaStore.Images.Media.DATA };

        //Cursor cursor = ((Activity) ctx).managedQuery(contentUri, proj, null, null, null);

        Cursor cursor = ctx.getContentResolver().query(contentUri, proj, null, null, null);

        Log.d("thong", "Column count: " + cursor.getColumnCount());

        int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);

        cursor.moveToFirst();

        realpath = cursor.getString(column_index);

        cursor.close();

        return realpath;
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
}

From source file:Main.java

/**
 * Get a file path from a Uri.//from w  w w  . jav  a2s .c om
 * 
 * @param context
 * @param uri
 * @return
 * @throws URISyntaxException
 * 
 * @author paulburke
 */
public static String getPath(Context context, Uri uri) throws URISyntaxException {

    if (DEBUG)
        Log.d(TAG + " File -",
                "Authority: " + uri.getAuthority() + ", Fragment: " + uri.getFragment() + ", Port: "
                        + uri.getPort() + ", Query: " + uri.getQuery() + ", Scheme: " + uri.getScheme()
                        + ", Host: " + uri.getHost() + ", Segments: " + uri.getPathSegments().toString());

    if ("content".equalsIgnoreCase(uri.getScheme())) {
        String[] projection = { "_data" };
        Cursor cursor = null;

        try {
            cursor = context.getContentResolver().query(uri, projection, null, null, null);
            int column_index = cursor.getColumnIndexOrThrow("_data");
            if (cursor.moveToFirst()) {
                return cursor.getString(column_index);
            }
        } catch (Exception e) {
            // Eat it
        }
    }

    else if ("file".equalsIgnoreCase(uri.getScheme())) {
        return uri.getPath();
    }

    return null;
}

From source file:Main.java

public final static String getRealPathFromURI(Context context, Uri contentUri) {
    Cursor cursor = null;
    try {/*from   w  ww.  j a v a  2 s  . c o m*/
        String[] proj = { MediaStore.Images.Media.DATA };
        cursor = context.getContentResolver().query(contentUri, proj, null, null, null);
        int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
        cursor.moveToFirst();
        return cursor.getString(column_index);
    } finally {
        if (cursor != null) {
            cursor.close();
        }
    }
}

From source file:Main.java

public static String getPath(Context context, Uri contentUri) {
    Cursor cursor = null;
    try {// w  w  w .  ja va 2s.  co  m
        String[] proj = { MediaStore.Images.Media.DATA };
        cursor = context.getContentResolver().query(contentUri, proj, null, null, null);
        int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
        cursor.moveToFirst();
        return cursor.getString(column_index);
    } finally {
        if (cursor != null) {
            cursor.close();
        }
    }
}

From source file:Main.java

/**
 * Get the value of the data column for this Uri. This is useful for
 * MediaStore Uris, and other file-based ContentProviders.
 *
 * @param context       The context.//from  w w w .  ja  v a 2 s .  c om
 * @param uri           The Uri to query.
 * @param selection     (Optional) Filter used in the query.
 * @param selectionArgs (Optional) Selection arguments used in the query.
 * @return The value of the _data column, which is typically a file path.
 */
public static String getDataColumn(Context context, Uri uri, String selection, String[] selectionArgs) {

    final String[] projection = { MediaStore.MediaColumns.DATA };
    final Cursor cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, null);

    if (cursor != null) {
        try {

            if (cursor.moveToFirst()) {
                return cursor.getString(0);
            }
        } finally {
            cursor.close();
        }
    }
    return null;
}

From source file:Main.java

static String convertUriToPath(Context context, Uri uri) {
    Log.v(TAG, "convertUriToPath : " + uri + " @" + context);

    String path = null;/*from www  . j  a  v a2 s .  co m*/
    if (null != uri) {
        String scheme = uri.getScheme();
        if (null == scheme || scheme.equals("") || scheme.equals(ContentResolver.SCHEME_FILE)) {
            path = uri.getPath();
        } else if (scheme.equals("http")) {
            path = uri.toString();
        } else if (scheme.equals(ContentResolver.SCHEME_CONTENT)) {
            String[] projection = new String[] { MediaStore.MediaColumns.DATA };
            Cursor cursor = null;
            try {
                cursor = context.getContentResolver().query(uri, projection, null, null, null);
                if (null == cursor || 0 == cursor.getCount() || !cursor.moveToFirst()) {
                    throw new IllegalArgumentException("Given Uri could not be found in media store");
                }
                int pathIndex = cursor.getColumnIndexOrThrow(MediaStore.MediaColumns.DATA);
                path = cursor.getString(pathIndex);
            } catch (SQLiteException e) {
                throw new IllegalArgumentException(
                        "Given Uri is not formatted in a way so that it can be found in media store.");
            } finally {
                if (null != cursor) {
                    cursor.close();
                }
            }
        } else {
            throw new IllegalArgumentException("Given Uri scheme is not supported");
        }
    }

    Log.v(TAG, "convertUriToPath : >" + path);
    return path;
}

From source file:Main.java

public static String loadString(String key, String defaultVal, SQLiteDatabase db) {
    String ret = defaultVal;//from  w  ww. ja v  a2  s. co  m
    if (db == null)
        return ret;

    Cursor cursor = db.query(TABLE_SETTINGS,
            new String[] { KEY_SETTINGS_ID, KEY_SETTINGS_KEY, KEY_SETTINGS_VALUE }, KEY_SETTINGS_KEY + "=?",
            new String[] { key }, null, null, null, null);

    if (cursor != null) {
        boolean moveFirst = cursor.moveToFirst();
        if (moveFirst)
            ret = cursor.getString(2);
    }

    return ret;
}

From source file:Main.java

public static String queryAudioName(Context context, Uri name) {
    String audioId;/*from  ww  w .j  a  v  a  2s  .  co m*/
    String uriName = name.toString();
    uriName = uriName.substring(uriName.lastIndexOf("/") + 1);
    Cursor cursor = context.getContentResolver().query(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, null, null,
            null, MediaStore.Audio.Media.DEFAULT_SORT_ORDER);
    if (cursor != null && cursor.getCount() > 0) {
        cursor.moveToFirst();
        int counter = cursor.getCount();
        for (int j = 0; j < counter; j++) {
            audioId = cursor.getString(cursor.getColumnIndex(MediaStore.Audio.Media._ID));

            if (uriName.equals(audioId)) {
                uriName = cursor.getString(cursor.getColumnIndex(MediaStore.Audio.Media.TITLE));
            } else {
                Ringtone ringtone = RingtoneManager.getRingtone(context, name);
                uriName = ringtone.getTitle(context);
                break;
            }
            cursor.moveToNext();

        }
        cursor.close();
    } else {
        try {
            Ringtone ringtone = RingtoneManager.getRingtone(context, name);
            uriName = ringtone.getTitle(context);
        } catch (Exception e) {
            return uriName;
        }
    }
    return uriName;
}

From source file:Main.java

private static Bitmap rotateMediaImage(ContentResolver contentResolver, Uri uri, Bitmap image)
        throws FileNotFoundException {

    Cursor c = contentResolver.query(uri, null, null, null, null);
    try {//  w  w w . ja  v a  2  s . co m
        if (c != null) {
            if (c.moveToFirst()) {

                int index = c.getColumnIndex(ImageColumns.ORIENTATION);
                int degrees = index < 0 ? 0 : c.getInt(index);

                if (degrees != 0) {
                    return rotate(image, degrees);
                }
                return image;
            }
        }
    } finally {
        if (c != null) {
            c.close();
        }
    }
    return image;
}

From source file:Main.java

public static File getRealFileFromURI(Context context, Uri contentUri) {
    Cursor cursor = null;
    try {/*from  w w w . ja v  a  2 s.c  o m*/
        String[] proj = { MediaStore.Images.Media.DATA };
        cursor = context.getContentResolver().query(contentUri, proj, null, null, null);
        int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
        cursor.moveToFirst();
        String path = cursor.getString(column_index);
        return new File(path);
    } finally {
        if (cursor != null) {
            cursor.close();
        }
    }
}