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:Main.java

public static File getFromMediaUri(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())) {
        final String[] filePathColumn = { MediaStore.MediaColumns.DATA, MediaStore.MediaColumns.DISPLAY_NAME };
        Cursor cursor = null;
        try {/*  w w  w.  ja va  2  s  .  com*/
            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 image on newer devices with Honeycomb and up
                if (columnIndex != -1) {
                    String filePath = cursor.getString(columnIndex);
                    if (!TextUtils.isEmpty(filePath)) {
                        return new File(filePath);
                    }
                }
            }
        } catch (SecurityException ignored) {
            // Nothing we can do
        } finally {
            if (cursor != null)
                cursor.close();
        }
    }
    return null;
}

From source file:Main.java

/**
 * Return file size from Uri/*from w  ww.  ja  v  a  2s.  c o m*/
 *
 * @param uri file URI
 * @return return file size
 */
public static long getFileSizeFromUri(Context context, Uri uri) {
    long size = 0;
    if (uri.getScheme().toString().compareTo("content") == 0) {
        Cursor cursor = null;
        try {
            cursor = context.getApplicationContext().getContentResolver().query(uri, null, null, null, null);
            if (cursor != null && cursor.moveToFirst()) {
                final int column_index = cursor.getColumnIndexOrThrow(MediaStore.MediaColumns.SIZE);
                size = cursor.getInt(column_index);
            }
        } finally {
            if (cursor != null) {
                cursor.close();
            }
        }
    } else if (uri.getScheme().toString().compareTo("file") == 0) {
        final File file = new File(uri.getPath());
        size = file.length();
    }
    return size;
}

From source file:Main.java

public static Cursor getAllCallLogAboutACaller(Context context, String callerNumber) {
    // cancello la chiamata in uscita se nelle preferenze ? settata tale opzione
    Uri delUri = Uri.withAppendedPath(CallLog.Calls.CONTENT_URI, "");
    Cursor cursor = context.getContentResolver().query(delUri, null,
            android.provider.CallLog.Calls.NUMBER + "=?", new String[] { "404" }, null);
    try {/* w ww.  j  av  a  2s. c  o m*/
        boolean moveToFirst = cursor.moveToFirst();
        Log.i("MOVETOFIRST", "moveToFirst=" + moveToFirst);
        do {
            int numberColumn = cursor.getColumnIndex(android.provider.CallLog.Calls.NUMBER);
            String callerPhoneNumber = cursor.getString(numberColumn);
            Log.i(TAG, "numero : " + callerPhoneNumber);
        } while (cursor.moveToNext());

    } catch (Exception e) {
        Log.e(TAG, "Problem moving to first entry", e);
    }
    return cursor;
}

From source file:Main.java

/**
 * Return file display name from Uri/*from   w  w  w . ja  v a2 s.  co m*/
 *
 * @param context Context
 * @param uri URI of the file
 * @return return file display name
 */
public static String getFileDisplayNameFromUri(Context context, Uri uri) {
    String displayName = "";
    if (uri.getScheme().toString().compareTo("content") == 0) {
        Cursor cursor = null;
        try {
            cursor = context.getApplicationContext().getContentResolver().query(uri, null, null, null, null);
            if (cursor != null && cursor.moveToFirst()) {
                final int column_index = cursor.getColumnIndexOrThrow(MediaStore.MediaColumns.DISPLAY_NAME);
                displayName = cursor.getString(column_index);
            }
        } finally {
            if (cursor != null) {
                cursor.close();
            }
        }
    } else if (uri.getScheme().toString().compareTo("file") == 0) {
        final File file = new File(uri.getPath());
        displayName = file.getName();
    }
    return displayName;
}

From source file:Main.java

public static String getVideoPath(Activity activity, Uri uri) {
    String[] projection = { MediaStore.Video.Media.DATA };
    Cursor cursor = activity.managedQuery(uri, projection, null, null, null);
    activity.startManagingCursor(cursor);
    int column_index = cursor.getColumnIndexOrThrow(MediaStore.Video.Media.DATA);
    cursor.moveToFirst();
    return cursor.getString(column_index);

}

From source file:Main.java

public static String getPath(Activity activity, Uri uri) {
    String[] projection = { MediaStore.Images.Media.DATA };
    Cursor cursor = activity.managedQuery(uri, projection, null, null, null);
    activity.startManagingCursor(cursor);
    int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
    cursor.moveToFirst();
    return cursor.getString(column_index);

}

From source file:Main.java

public static String getLatestCameraPicture(Context context) {

    if (!existSDCard()) {
        return null;
    }/*from   w w  w . j  a v a  2  s.com*/

    String[] projection = new String[] { MediaStore.Images.ImageColumns._ID,
            MediaStore.Images.ImageColumns.DATA, MediaStore.Images.ImageColumns.BUCKET_DISPLAY_NAME,
            MediaStore.Images.ImageColumns.DATE_TAKEN, MediaStore.Images.ImageColumns.MIME_TYPE };
    Cursor cursor = context.getContentResolver().query(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, projection,
            null, null, MediaStore.Images.ImageColumns.DATE_TAKEN + " DESC");
    if (cursor.moveToFirst()) {
        String path = cursor.getString(1);
        return path;
    }
    return null;
}

From source file:Main.java

/**
 * Utils to get File path/*from w w  w.  ja  v a2  s.  c  o m*/
 * 
 * @param uri
 * @return
 */
public static String getPath(Context context, Uri uri) {
    String scheme = uri.getScheme();
    String s = null;
    if (scheme.equals("content")) {
        String[] projection = { MediaStore.Files.FileColumns.DATA };
        Cursor cursor = context.getContentResolver().query(uri, projection, null, null, null);
        int columnIndex = cursor.getColumnIndexOrThrow(MediaStore.Files.FileColumns.DATA);
        cursor.moveToFirst();
        s = cursor.getString(columnIndex);
    } else if (scheme.equals("file")) {
        s = uri.getPath();
    }
    // Log.d("ActionManager", "URI:" + uri + " - S:" + s);
    return s;
}

From source file:Main.java

/**
 * Try to return the absolute file path from the given Uri
 * //ww  w  .  j a  v a 2  s.c o m
 * @param context
 * @param uri
 * @return the file path or null
 */
public static String getRealFilePath(final Context context, final Uri uri) {

    if (null == uri)
        return null;

    final String scheme = uri.getScheme();
    String data = null;

    if (scheme == null)
        data = uri.getPath();
    else if (ContentResolver.SCHEME_FILE.equals(scheme)) {
        data = uri.getPath();
    } else if (ContentResolver.SCHEME_CONTENT.equals(scheme)) {
        Cursor cursor = context.getContentResolver().query(uri, new String[] { ImageColumns.DATA }, null, null,
                null);
        if (null != cursor) {
            if (cursor.moveToFirst()) {
                int index = cursor.getColumnIndex(ImageColumns.DATA);
                if (index > -1) {
                    data = cursor.getString(index);
                }
            }
            cursor.close();
        }
    }
    return data;
}

From source file:Main.java

public static String geVideotName(Activity activity, Uri uri) throws Exception {

    String[] projection = { MediaStore.Video.Media.DATA };
    Cursor cursor = activity.managedQuery(uri, projection, null, null, null);
    activity.startManagingCursor(cursor);
    int column_index = cursor.getColumnIndexOrThrow(MediaStore.Video.Media.DATA);
    cursor.moveToFirst();
    Uri filePathUri = Uri.parse(cursor.getString(column_index));
    String file_name = filePathUri.getLastPathSegment().toString();
    return file_name;
}