Example usage for android.database Cursor moveToFirst

List of usage examples for android.database Cursor moveToFirst

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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:net.peterkuterna.android.apps.devoxxsched.io.RemoteSessionsHandler.java

private static int isStarred(Uri uri, ContentResolver resolver) {
    final Cursor cursor = resolver.query(uri, SessionsQuery.PROJECTION, null, null, null);
    int starred = 0;
    try {//from   ww  w .j  a va2 s  .c o m
        if (cursor.moveToFirst()) {
            starred = cursor.getInt(SessionsQuery.STARRED);
        }
    } finally {
        cursor.close();
    }
    return starred;
}

From source file:Main.java

/**
 * Consolidates the file path determination functionality of the various
 * media prompts. Beginning with KitKat, the responses use a different
 * mechanism and needs a lot of special handling.
 *
 * @param ctxt//www.j av  a  2  s.c  om
 * @param uri
 * @param pathKey
 * @return
 */
@SuppressLint("NewApi")
public static String getPathFromUri(Context ctxt, Uri uri, String pathKey) {

    if (Build.VERSION.SDK_INT >= 19) {
        return getPath(ctxt, uri);
    } else {
        if (uri.toString().startsWith("file")) {
            return uri.toString().substring(7);
        } else {
            String[] projection = { pathKey };
            Cursor c = null;
            try {
                c = ctxt.getContentResolver().query(uri, projection, null, null, null);
                int column_index = c.getColumnIndexOrThrow(pathKey);
                String path = null;
                if (c.getCount() > 0) {
                    c.moveToFirst();
                    path = c.getString(column_index);
                }
                return path;
            } finally {
                if (c != null) {
                    c.close();
                }
            }
        }
    }
}

From source file:Main.java

public static File convertImageUriToFile(Uri imageUri, Activity activity) {
    Cursor cursor = null;
    try {/*from   w w w  .  j a  v  a  2  s .  co m*/
        String[] proj = { MediaStore.Images.Media.DATA, MediaStore.Images.Media._ID,
                MediaStore.Images.ImageColumns.ORIENTATION };
        cursor = activity.managedQuery(imageUri, proj, null, null, null);
        int file_ColumnIndex = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
        int orientation_ColumnIndex = cursor.getColumnIndexOrThrow(MediaStore.Images.ImageColumns.ORIENTATION);
        if (cursor.moveToFirst()) {
            String orientation = cursor.getString(orientation_ColumnIndex);
            return new File(cursor.getString(file_ColumnIndex));
        }
        return null;
    } finally {
        if (cursor != null) {
            cursor.close();
        }
    }
}

From source file:com.example.igorklimov.popularmoviesdemo.helpers.Utility.java

public static int getId(Context context) {
    Uri uri = getContentUri(context);//from   w  w  w.  j  a  v a2s .  com
    Cursor cursor = context.getContentResolver().query(uri, null, null, null, null);
    int id = 0;
    if (cursor != null && cursor.moveToFirst()) {
        id = cursor.getInt(0);
        cursor.close();
    }
    return id;
}

From source file:com.maskyn.fileeditorpro.util.AccessStorageApi.java

public static String getName(Context context, Uri uri) {

    if (uri == null || uri.equals(Uri.EMPTY))
        return "";

    String fileName = "";
    try {//w w w  .  j  a v  a 2 s . co m
        String scheme = uri.getScheme();
        if (scheme.equals("file")) {
            fileName = uri.getLastPathSegment();
        } else if (scheme.equals("content")) {
            String[] proj = { MediaStore.Images.Media.DISPLAY_NAME };
            Cursor cursor = context.getContentResolver().query(uri, proj, null, null, null);
            if (cursor != null && cursor.getCount() != 0) {
                int columnIndex = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DISPLAY_NAME);
                cursor.moveToFirst();
                fileName = cursor.getString(columnIndex);
            }
            if (cursor != null) {
                cursor.close();
            }
        }
    } catch (Exception ex) {
        return "";
    }
    return fileName;
}

From source file:mobisocial.noteshere.util.UriImage.java

public static float rotationForImage(Context context, Uri uri) {
    if (uri.getScheme().equals("content")) {
        String[] projection = { Images.ImageColumns.ORIENTATION };
        Cursor c = context.getContentResolver().query(uri, projection, null, null, null);
        try {//  ww w.  j a  v  a 2  s.c o  m
            if (c.moveToFirst()) {
                return c.getInt(0);
            }
        } finally {
            c.close();
        }
    } else if (uri.getScheme().equals("file")) {
        try {
            ExifInterface exif = new ExifInterface(uri.getPath());
            int rotation = (int) exifOrientationToDegrees(
                    exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_NORMAL));
            return rotation;
        } catch (IOException e) {
            Log.e(TAG, "Error checking exif", e);
        }
    }
    return 0f;
}

From source file:Main.java

/**
 * Query the server app to get the file's display name.
 */// ww  w. j a  v  a  2s  .co m
public static String getUriFileName(Context context, Uri uri) {
    if (uri == null) {
        return null;
    }

    if (uri.getScheme().equals("file")) {
        return uri.getLastPathSegment();
    }

    if (uri.getScheme().equals("content")) {
        Cursor returnCursor = context.getContentResolver().query(uri, null, null, null, null);

        //Get the column index of the data in the Cursor,
        //move to the first row in the Cursor, get the data, and display it.
        int name_index = returnCursor.getColumnIndex(OpenableColumns.DISPLAY_NAME);
        //int size_index = returnCursor.getColumnIndex(OpenableColumns.SIZE);

        if (name_index < 0) {
            return null;
        }

        returnCursor.moveToFirst();

        //return returnCursor.getLong(size_index)
        return returnCursor.getString(name_index);
    }
    return null;
}

From source file:Main.java

@TargetApi(19)
public static File getFromMediaUri(Context context, ContentResolver resolver, Uri uri) {
    if (uri == null)
        return null;

    if (SCHEME_FILE.equals(uri.getScheme())) {
        return new File(uri.getPath());
    } else if (SCHEME_CONTENT.equals(uri.getScheme())) {
        String filePath = "";
        if (isMediaDocument(uri)) {
            final String docId = DocumentsContract.getDocumentId(uri);
            final String[] split = docId.split(":");
            final String type = split[0];

            Uri contentUri = null;//from  w  w  w .  j av a  2  s.c o  m
            if ("image".equals(type)) {
                contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
            }
            final String selection = "_id=?";
            final String[] selectionArgs = new String[] { split[1] };

            Cursor cursor = null;
            final String column = "_data";
            final String[] projection = { column };

            try {
                cursor = context.getContentResolver().query(contentUri, projection, selection, selectionArgs,
                        null);
                if (cursor != null && cursor.moveToFirst()) {
                    final int column_index = cursor.getColumnIndexOrThrow(column);
                    filePath = cursor.getString(column_index);
                }
            } finally {
                if (cursor != null)
                    cursor.close();
            }
        } else {
            final String[] filePathColumn = { MediaStore.MediaColumns.DATA,
                    MediaStore.MediaColumns.DISPLAY_NAME };
            Cursor cursor = null;
            try {
                cursor = resolver.query(uri, filePathColumn, null, null, null);
                if (cursor != null && cursor.moveToFirst()) {
                    final int columnIndex = (uri.toString()
                            .startsWith("content://com.google.android.gallery3d"))
                                    ? cursor.getColumnIndex(MediaStore.MediaColumns.DISPLAY_NAME)
                                    : cursor.getColumnIndex(MediaStore.MediaColumns.DATA);
                    // Picasa images on API 13+
                    if (columnIndex != -1) {
                        filePath = cursor.getString(columnIndex);
                    }
                }
            } catch (IllegalArgumentException e) {
                // Google Drive images
                return getFromMediaUriPfd(context, resolver, uri);
            } catch (SecurityException ignored) {
                // Nothing we can do
            } finally {
                if (cursor != null)
                    cursor.close();
            }
        }

        if (!TextUtils.isEmpty(filePath)) {
            return new File(filePath);
        }
    }
    return null;
}

From source file:com.android.emailcommon.utility.AttachmentUtilities.java

/**
 * Resolve attachment id to content URI.  Returns the resolved content URI (from the attachment
 * DB) or, if not found, simply returns the incoming value.
 *
 * @param attachmentUri/*www  .  ja va2s  .  com*/
 * @return resolved content URI
 *
 * TODO:  Throws an SQLite exception on a missing DB file (e.g. unknown URI) instead of just
 * returning the incoming uri, as it should.
 */
public static Uri resolveAttachmentIdToContentUri(ContentResolver resolver, Uri attachmentUri) {
    Cursor c = resolver.query(attachmentUri, new String[] { Columns.DATA }, null, null, null);
    if (c != null) {
        try {
            if (c.moveToFirst()) {
                final String strUri = c.getString(0);
                if (strUri != null) {
                    return Uri.parse(strUri);
                }
            }
        } finally {
            c.close();
        }
    }
    return attachmentUri;
}

From source file:ee.ioc.phon.android.speak.Utils.java

/**
 * TODO: should we immediately return null if id = 0?
 *//*from www  .  jav a 2  s. c  o  m*/
public static String idToValue(Context context, Uri contentUri, String columnId, String columnUrl, long id) {
    String value = null;
    Cursor c = context.getContentResolver().query(contentUri, new String[] { columnUrl }, columnId + "= ?",
            new String[] { String.valueOf(id) }, null);

    if (c.moveToFirst()) {
        value = c.getString(0);
    }
    c.close();
    return value;
}