Example usage for android.database Cursor moveToFirst

List of usage examples for android.database Cursor moveToFirst

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  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 getDataColumn(Context context, Uri uri, String selection, String[] selectionArgs) {

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

    try {/*from  w  ww .  j a v a2  s.  co m*/
        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);
        }
    } catch (Exception e) {
        //            FileLog.e("tmessages", e);
    } finally {
        if (cursor != null) {
            cursor.close();
        }
    }
    return null;
}

From source file:Main.java

public static String getDataColumn(Context context, Uri uri, String selection, String[] selectionArgs) {

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

    try {//from  w w w .  j  a v  a  2  s . co  m
        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);
        }
    } catch (Exception e) {
        Log.e("tmessages", e.getMessage());
    } finally {
        if (cursor != null) {
            cursor.close();
        }
    }
    return null;
}

From source file:Main.java

public static String getDataColumn(Context context, Uri uri, String selection, String[] selectionArgs) {

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

    try {//w w  w.ja  v a 2  s.  com
        cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, null);
        if (cursor != null && cursor.moveToFirst()) {
            final int column_index = cursor.getColumnIndexOrThrow(column);
            String value = cursor.getString(column_index);
            if (value.startsWith("content://") || !value.startsWith("/") && !value.startsWith("file://")) {
                return null;
            }
            return value;
        }
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (cursor != null) {
            cursor.close();
        }
    }
    return null;
}

From source file:com.nextgis.mobile.map.Layer.java

protected static String getFileNameByUri(final Context context, Uri uri, String defaultName) {
    String fileName = defaultName;
    Uri filePathUri = uri;/*from   ww w  .  ja v a 2 s .  co m*/
    try {
        if (uri.getScheme().toString().compareTo("content") == 0) {
            Cursor cursor = context.getContentResolver().query(uri, null, null, null, null);
            if (cursor.moveToFirst()) {
                int column_index = cursor.getColumnIndex(MediaStore.Images.Media.DATA);
                //Instead of "MediaStore.Images.Media.DATA" can be used "_data"
                filePathUri = Uri.parse(cursor.getString(column_index));
                fileName = filePathUri.getLastPathSegment().toString();
            }
        } else if (uri.getScheme().compareTo("file") == 0) {
            fileName = filePathUri.getLastPathSegment().toString();
        } else {
            fileName = fileName + "_" + filePathUri.getLastPathSegment();
        }
    } catch (Exception e) {
        //do nothing, only return default file name;
        Log.d(TAG, e.getLocalizedMessage());
    }
    return fileName;
}

From source file:Main.java

public static int getOrientation(Context context, Uri photoUri, File file) {
    /* it's on the external media. */
    Cursor cursor = context.getContentResolver().query(photoUri,
            new String[] { MediaStore.Images.ImageColumns.ORIENTATION }, null, null, null);
    if (cursor != null && cursor.getCount() != 1) {
        cursor.moveToFirst();
        return cursor.getInt(0);
    }//from   ww w.ja v a 2  s.  c o m

    int rotate = 0;
    ExifInterface exif = null;

    try {
        exif = new ExifInterface(file == null ? getPath(context, photoUri) : file.getAbsolutePath());
    } catch (IOException e) {
        e.printStackTrace();
    }
    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;
    case ExifInterface.ORIENTATION_NORMAL:
        rotate = 0;
        break;
    }
    return rotate;
}

From source file:ca.mudar.parkcatcher.utils.ParserUtils.java

/**
 * Query and return the {@link SyncColumns#UPDATED} time for the requested
 * {@link Uri}. Expects the {@link Uri} to reference a single item.
 *///from   www.j  a  va 2 s.c o m
public static long queryItemUpdated(Uri uri, ContentResolver resolver) {
    final String[] projection = { SyncColumns.UPDATED };
    final Cursor cursor = resolver.query(uri, projection, null, null, null);
    try {
        if (cursor.moveToFirst()) {
            return cursor.getLong(0);
        } else {
            return ParkingContract.UPDATED_NEVER;
        }
    } finally {
        cursor.close();
    }
}

From source file:Main.java

protected static long findThreadId(Context context, String messageId) {
    StringBuilder sb = new StringBuilder('(');
    sb.append(Telephony.Mms.MESSAGE_ID);
    sb.append('=');
    sb.append(DatabaseUtils.sqlEscapeString(messageId));
    sb.append(" AND ");
    sb.append(Telephony.Mms.MESSAGE_TYPE);
    sb.append('=');
    sb.append(MESSAGE_TYPE_SEND_REQ);//from  w w  w  . j  ava2  s  .  c  o m

    // TODO ContentResolver.query() appends closing ')' to the selection argument
    // sb.append(')');

    Cursor cursor = context.getContentResolver().query(Telephony.Mms.CONTENT_URI,
            new String[] { Telephony.Mms.THREAD_ID }, sb.toString(), null, null);

    if (cursor != null) {
        try {
            if ((cursor.getCount() == 1) && cursor.moveToFirst()) {
                return cursor.getLong(0);
            }
        } finally {
            cursor.close();
        }
    }

    return -1;
}

From source file:fr.mixit.android.utils.SyncUtils.java

public static String getLocalMd5(ContentResolver resolver, String url) {
    final String syncId = MixItContract.Sync.generateSyncId(url);
    final Uri uri = MixItContract.Sync.buildSyncUri(syncId);
    Cursor cursor = resolver.query(uri, SyncQuery.PROJECTION, null, null, null);
    try {//from   w  ww  .  ja  v a 2s .c  om
        if (!cursor.moveToFirst())
            return "";
        return cursor.getString(SyncQuery.MD5);
    } finally {
        cursor.close();
    }
}

From source file:Main.java

public static String getRealPathFromURI(Context context, Uri contentUri) {
    Cursor cursor = null;
    try {//from w w  w.  j  av a  2  s . com
        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 int getOrientation(Context context, Uri bitmapUri) {
    Cursor cursor = context.getContentResolver().query(bitmapUri,
            new String[] { MediaStore.Images.ImageColumns.ORIENTATION }, null, null, null);

    if (cursor == null || cursor.getCount() != 1) {
        return -1;
    }//from  ww  w  . j  av a  2  s. c  o m

    cursor.moveToFirst();
    return cursor.getInt(0);
}