Example usage for android.database Cursor 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 int getRotationFromUri(Context context, Uri imageUri) {
    String[] orientationColumn = { MediaStore.Images.Media.ORIENTATION };
    Cursor cur = context.getContentResolver().query(imageUri, orientationColumn, null, null, null);
    int orientation = -1;
    if (cur != null && cur.moveToFirst()) {
        orientation = cur.getInt(cur.getColumnIndex(orientationColumn[0]));
    }/*from   w w w .  j  a  v  a  2  s  .  co m*/

    return orientation;
}

From source file:Main.java

public static String getImageAbsolutePath(Context context, Uri uri) {
    Cursor cursor = MediaStore.Images.Media.query(context.getContentResolver(), uri,
            new String[] { MediaStore.Images.Media.DATA });
    if (cursor.moveToFirst()) {
        return cursor.getString(0);
    }/* w  w w  . j  a v a  2 s . c o m*/
    return null;
}

From source file:Main.java

private static String getImageAbsolutePath0(Activity act, Uri uri) {
    // can post image
    String[] proj = { MediaStore.Images.Media.DATA };
    Cursor cursor = act.managedQuery(uri, proj, null, null, null);
    int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
    cursor.moveToFirst();

    return cursor.getString(column_index);
}

From source file:Main.java

/**
 * Tries to find out if the given cursor points to a dataset with unread articles in it, returns true if it does.
 *
 * @param cursor the cursor.//w w w .j a v  a  2s. com
 * @return true if there are unread articles in the dataset, else false.
 */
private static boolean checkUnread(Cursor cursor) {
    if (cursor == null || cursor.isClosed())
        return false; // Check null or closed

    if (!cursor.moveToFirst())
        return false; // Check empty

    do {
        if (cursor.getInt(cursor.getColumnIndex("unread")) > 0)
            return cursor.moveToFirst(); // One unread article found, move to first entry
    } while (cursor.moveToNext());

    cursor.moveToFirst();
    return false;
}

From source file:Main.java

/** converts image content URI to file path */
public static String resolveUri(Activity activity, Uri uri) {
    String[] projection = { Images.Media.DATA };
    Cursor cursor = activity.managedQuery(uri, projection, null, null, null);
    int column_index = cursor.getColumnIndexOrThrow(Images.Media.DATA);
    cursor.moveToFirst();
    return cursor.getString(column_index);
}

From source file:Main.java

/**
 * Converts the content:// scheme to the file path
 * @param contentResolver Provides access to the content model
 * @param contentUri The URI to be converted using content:// scheme
 * @return The converted file path//from  w w w  . ja va  2  s .  c o m
 */
public static String getPathFromContentUri(ContentResolver contentResolver, Uri contentUri) {
    String[] projection = { MediaStore.Images.Media.DATA };
    Cursor cursor = contentResolver.query(contentUri, projection, null, null, null);

    if (cursor != null && cursor.moveToFirst()) {
        int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
        String filePath = cursor.getString(column_index);
        cursor.close();
        return filePath;
    } else {
        return null;
    }
}

From source file:Main.java

public static String getAbsoluteImagePath(Context context, Uri uri) {
    // can post image
    String[] proj = { Media.DATA };
    Cursor cursor = context.getContentResolver().query(uri, proj, null, null, null);
    int column_index = cursor.getColumnIndexOrThrow(Media.DATA);
    cursor.moveToFirst();
    String path = cursor.getString(column_index);
    cursor.close();//from   w w  w.  j a va2  s  . c  o  m
    return path;
}

From source file:Main.java

public static String getAbsoluteImagePath(Activity paramActivity, Uri paramUri) {
    Cursor localCursor = paramActivity.managedQuery(paramUri, new String[] { "_data" }, null, null, null);
    int i = localCursor.getColumnIndexOrThrow("_data");
    localCursor.moveToFirst();
    return localCursor.getString(i);
}

From source file:Main.java

private static String getFileName(Context context, Uri uri) {
    Log.d("suka", uri.getScheme() + " : " + context.getContentResolver().getType(uri));
    String result = null;/* w  ww .  j  av a  2  s  .c o m*/
    if (uri.getScheme().equals("content")) {
        Cursor cursor = context.getContentResolver().query(uri, null, null, null, null);
        try {
            if (cursor != null && cursor.moveToFirst()) {
                result = cursor.getString(cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME));
            }
        } finally {
            cursor.close();
        }
    }
    if (result == null) {
        Log.d("suka", "res " + uri.getPath());
        result = uri.getPath();
        int cut = result.lastIndexOf('/');
        if (cut != -1) {
            result = result.substring(cut + 1);
        }
    }
    return result;
}

From source file:Main.java

public static String getFileName(Uri uri, Context context) {
    String result = null;//from   w ww .  j  a  va2 s  .co  m
    if (uri.getScheme().equals("content")) {
        Cursor cursor = context.getContentResolver().query(uri, null, null, null, null);
        try {
            if (cursor != null && cursor.moveToFirst()) {
                result = cursor.getString(cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME));
            }
        } finally {
            if (cursor != null) {
                cursor.close();
            }
        }
    }
    if (result == null) {
        result = uri.getPath();
        int cut = result.lastIndexOf('/');
        if (cut != -1) {
            result = result.substring(cut + 1);
        }
    }
    return result;
}