Example usage for android.database Cursor close

Introduction

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

Prototype

void close();

Source Link

Document

Closes the Cursor, releasing all of its resources and making it completely invalid.

Usage

From source file:Main.java

public static String getRealPathFromURI(Context context, Uri contentUri) {
    Cursor cursor = null;
    try {/*from  w w  w.jav  a2 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);
    } catch (NullPointerException ex) {
        return "";
    } finally {
        if (cursor != null) {
            cursor.close();
        }
    }
}

From source file:Main.java

public static LinkedList<Integer> retrieveIntegerFromCursor(Cursor cursor, String columnName) {
    if (null == cursor || 0 == cursor.getCount()) {
        return new LinkedList<Integer>();
    }/*from   w w w . j  av a2  s.  c om*/

    LinkedList<Integer> ids = new LinkedList<Integer>();

    try {
        for (cursor.moveToFirst(); !cursor.isAfterLast(); cursor.moveToNext()) {
            int id = cursor.getInt(cursor.getColumnIndexOrThrow(columnName));
            ids.add(new Integer(id));
        }
    } catch (Exception e) {
        //do nothing.
    } finally {
        cursor.close();
    }

    return ids;
}

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.
 * //from www.  j  a  v a 2  s . com
 * @param context
 *            The context.
 * @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) {

    Cursor cursor = null;
    final String column = MediaStore.MediaColumns.DATA;
    final String[] projection = { column };

    try {
        cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, null);
        if (cursor != null && cursor.moveToFirst()) {
            final int column_index = cursor.getColumnIndexOrThrow(column);

            return cursor.getString(column_index);
        }
    } finally {
        if (cursor != null)
            cursor.close();
    }
    return null;
}

From source file:Main.java

public static File uri2File(Activity context, Uri uri) {
    File file;//from   w w w .  j a  va 2  s.c o m
    String[] project = { MediaStore.Images.Media.DATA };
    Cursor actualImageCursor = context.getContentResolver().query(uri, project, null, null, null);
    if (actualImageCursor != null) {
        int actual_image_column_index = actualImageCursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
        actualImageCursor.moveToFirst();
        String img_path = actualImageCursor.getString(actual_image_column_index);
        file = new File(img_path);
    } else {
        file = new File(uri.getPath());
    }
    if (actualImageCursor != null)
        actualImageCursor.close();
    return file;
}

From source file:m2.android.archetype.example.FacebookSdk.Settings.java

public static String getAttributionId(ContentResolver contentResolver) {
    String[] projection = { ATTRIBUTION_ID_COLUMN_NAME };
    Cursor c = contentResolver.query(ATTRIBUTION_ID_CONTENT_URI, projection, null, null, null);
    if (c == null || !c.moveToFirst()) {
        return null;
    }//w  w w.  j a  va2  s .  com
    String attributionId = c.getString(c.getColumnIndex(ATTRIBUTION_ID_COLUMN_NAME));
    c.close();
    return attributionId;
}

From source file:cn.edu.mju.Thriphoto.net.NetStateManager.java

/**
 * ?? APN  {@link org.apache.http.HttpHost} 
 *
 * @return {@link org.apache.http.HttpHost} 
 *///  w  w w  .java2s.com
public static HttpHost getAPN() {
    HttpHost proxy = null;
    Uri uri = Uri.parse("content://telephony/carriers/preferapn");
    Cursor mCursor = null;
    if (null != mContext) {
        mCursor = mContext.getContentResolver().query(uri, null, null, null, null);
    }
    if (mCursor != null && mCursor.moveToFirst()) {
        // ???
        String proxyStr = mCursor.getString(mCursor.getColumnIndex("proxy"));
        if (proxyStr != null && proxyStr.trim().length() > 0) {
            proxy = new HttpHost(proxyStr, 80);
        }
        mCursor.close();
    }
    return proxy;
}

From source file:com.cyanogenmod.filemanager.util.MediaHelper.java

/**
 * Method that converts a content uri to a file system path
 *
 * @param cr The content resolver/*from  w ww.j  a  va 2s  .c  om*/
 * @param id The media database id
 * @param volume The volume
 * @return File The file reference
 */
private static File mediaIdToFile(ContentResolver cr, long id, String volume) {
    final String[] projection = { MediaColumns.DATA };
    final String where = MediaColumns._ID + " = ?";
    Uri baseUri = MediaStore.Files.getContentUri(volume);
    Cursor c = cr.query(baseUri, projection, where, new String[] { String.valueOf(id) }, null);
    try {
        if (c != null && c.moveToNext()) {
            return new File(c.getString(c.getColumnIndexOrThrow(MediaColumns.DATA)));
        }
    } finally {
        if (c != null) {
            c.close();
        }
    }
    return null;
}

From source file:net.lamp.support.NetStateManager.java

/**
 * ?? APN ?{@link HttpHost} /*from   w  ww.j ava  2  s .c o m*/
 * 
 * @return {@link HttpHost} 
 */
public static HttpHost getAPN() {
    HttpHost proxy = null;
    Uri uri = Uri.parse("content://telephony/carriers/preferapn");
    Cursor mCursor = null;
    if (null != mContext) {
        mCursor = mContext.getContentResolver().query(uri, null, null, null, null);
    }
    if (mCursor != null && mCursor.moveToFirst()) {
        // ????  
        String proxyStr = mCursor.getString(mCursor.getColumnIndex("proxy"));
        if (proxyStr != null && proxyStr.trim().length() > 0) {
            proxy = new HttpHost(proxyStr, 80);
        }
        mCursor.close();
    }
    return proxy;
}

From source file:com.fsck.k9.helper.Utility.java

/**
 * Unconditionally close a Cursor.  Equivalent to {@link Cursor#close()},
 * if cursor is non-null.  This is typically used in finally blocks.
 *
 * @param cursor cursor to close/* w w w  . ja  v a 2 s. c o  m*/
 */
public static void closeQuietly(final Cursor cursor) {
    if (cursor != null) {
        cursor.close();
    }
}

From source file:Main.java

public static String getPersonNameFromNumber(Context context, String box, String address) {
    if (address == null) {
        return "unknown";
    }/*www  .  ja va 2s.co  m*/
    if (!box.equalsIgnoreCase("draft")) {
        Cursor cursor = context.getContentResolver().query(
                Uri.withAppendedPath(PhoneLookup.CONTENT_FILTER_URI, Uri.encode(address)),
                new String[] { PhoneLookup.DISPLAY_NAME }, null, null, null);
        if (cursor != null) {
            try {
                if (cursor.getCount() > 0) {
                    cursor.moveToFirst();
                    String name = cursor.getString(0);
                    return name;
                }
            } finally {
                cursor.close();
            }
        }
    }
    if (address != null) {
        return PhoneNumberUtils.formatNumber(address);
    }
    return "unknown";
}