Example usage for android.database Cursor getColumnIndexOrThrow

Introduction

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

Prototype

int getColumnIndexOrThrow(String columnName) throws IllegalArgumentException;

Source Link

Document

Returns the zero-based index for the given column name, or throws IllegalArgumentException if the column doesn't exist.

Usage

From source file:Main.java

/**
 * Get a uri's user-friendly display name
 * /*from w  w  w .ja  v  a 2 s .  c  om*/
 * @param context the application context
 * @param uri     the uri to query
 * 
 * @return a user-friendly display name
 */
public static String getUriDisplayName(Context context, Uri uri) {
    String displayName = null;

    String scheme = uri.getScheme();

    if (scheme.startsWith("content")) {
        String[] proj = { OpenableColumns.DISPLAY_NAME };
        Cursor cursor = context.getContentResolver().query(uri, proj, null, null, null);

        if (cursor != null) {
            int columnIndex = cursor.getColumnIndexOrThrow(OpenableColumns.DISPLAY_NAME);
            cursor.moveToFirst();
            displayName = cursor.getString(columnIndex);

            cursor.close();
        }
    } else if (scheme.startsWith("file")) {
        displayName = uri.getLastPathSegment();
    }

    return displayName;
}

From source file:Main.java

public static String getPathFromUri(Context context, Uri u) {
    String[] pojo = { MediaStore.Images.Media.DATA };
    Cursor cursor = context.getContentResolver().query(u, pojo, null, null, null);
    String picPath = null;//  w  ww. j av a2  s . com
    if (cursor != null) {
        int columnIndex = cursor.getColumnIndexOrThrow(pojo[0]);
        cursor.moveToFirst();
        picPath = cursor.getString(columnIndex);
        return picPath;
    }
    return null;
}

From source file:Main.java

public static String getPath(Context context, Uri uri) throws URISyntaxException {
    if ("content".equalsIgnoreCase(uri.getScheme())) {
        String[] projection = { "_data" };
        Cursor cursor = null;

        try {/*ww  w.j  a  va  2 s  .  co  m*/
            cursor = context.getContentResolver().query(uri, projection, null, null, null);
            int column_index = cursor.getColumnIndexOrThrow("_data");
            if (cursor.moveToFirst()) {
                return cursor.getString(column_index);
            }
        } catch (Exception e) {
            // Eat it
        }
    } else if ("file".equalsIgnoreCase(uri.getScheme())) {
        return uri.getPath();
    }

    return null;
}

From source file:Main.java

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

    if ("content".equalsIgnoreCase(uri.getScheme())) {
        String[] projection = { "_data" };
        Cursor cursor = null;

        try {//from w  w  w. ja va 2 s . c  o m
            cursor = context.getContentResolver().query(uri, projection, null, null, null);
            int column_index = cursor.getColumnIndexOrThrow("_data");
            if (cursor.moveToFirst()) {
                return cursor.getString(column_index);
            }
        } catch (Exception e) {

        }
    }

    else if ("file".equalsIgnoreCase(uri.getScheme())) {
        return uri.getPath();
    }

    return null;
}

From source file:Main.java

public static File uri2File(Activity context, Uri uri) {
    File file;//from  w  w w  .  ja  v a 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:edu.mit.mobile.android.locast.data.tags.TaggableUtils.java

public static Set<String> getTags(ContentProviderClient cpc, Uri tagDir) throws RemoteException {
    final Set<String> tags = new HashSet<String>();

    final Cursor c = cpc.query(tagDir, TAG_PROJECTION, null, null, null);

    try {//w ww .  j a  v  a  2 s.  co  m
        final int tagNameCol = c.getColumnIndexOrThrow(Tag.COL_NAME);

        while (c.moveToNext()) {
            tags.add(c.getString(tagNameCol));
        }
    } finally {
        c.close();
    }

    return tags;
}

From source file:Main.java

public static String getRealPathByUri(Context context, Uri uri) {
    if (ContentResolver.SCHEME_FILE.equals(uri.getScheme())) {
        return uri.getPath();
    }/*  w  w  w .j a v  a  2 s  .co m*/

    try {
        ContentResolver resolver = context.getContentResolver();
        String[] proj = new String[] { MediaStore.Images.Media.DATA };
        Cursor cursor = MediaStore.Images.Media.query(resolver, uri, proj);
        String realPath = null;
        if (cursor != null) {
            int columnIndex = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
            if (cursor.getCount() > 0 && cursor.moveToFirst()) {
                realPath = cursor.getString(columnIndex);
            }
            cursor.close();
        }
        return realPath;
    } catch (Exception e) {
        return uri.getPath();
    }
}

From source file:Main.java

/**
 * Get a uri's file path/*from   www  .j  a  v  a 2s  . co  m*/
 * 
 * @param context the application context
 * @param uri     the uri to query
 * 
 * @return the file path
 */
public static String getUriPath(Context context, Uri uri) {
    String filePath = null;

    String scheme = uri.getScheme();

    if (scheme.startsWith("content")) {
        String[] projection = { MediaStore.Files.FileColumns.DATA };

        /* 
         * FIXME 2013-10-24 Tianzi Hou
         * 
         * we cannot get file path if it is from 
         *  content://com.google.android.gallery3d.provider
         * i.e. the Picasa service
         */
        filePath = null;
        Cursor cursor = context.getContentResolver().query(uri, projection, null, null, null);

        if (cursor != null) {
            int column_index = cursor.getColumnIndexOrThrow(projection[0]);
            cursor.moveToFirst();
            filePath = cursor.getString(column_index);
            cursor.close();
        }
    } else if (scheme.startsWith("file")) {
        filePath = uri.getPath();
    }

    return filePath;
}

From source file:Main.java

/**
 * Handles pre V19 uri's//from   w  w  w .java 2s.c o m
 * @param context
 * @param contentUri
 * @return
 */
private static String getPathForPreV19(Context context, Uri contentUri) {
    String res = null;

    String[] proj = { MediaStore.Images.Media.DATA };
    Cursor cursor = context.getContentResolver().query(contentUri, proj, null, null, null);
    if (cursor != null) {
        if (cursor.moveToFirst()) {
            int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
            res = cursor.getString(column_index);
        }
        cursor.close();
    }

    return res;
}

From source file:Main.java

public static String getNewThreadID(Context context) {
    int new_id = 0;
    final String[] projection = new String[] { "_id" };
    Uri uri = Uri.parse("content://mms-sms/conversations?simple=true");
    Cursor query = context.getContentResolver().query(uri, projection, null, null, "date DESC");
    if (query != null) {
        while (query.moveToNext()) {
            int tmp = query.getInt(query.getColumnIndexOrThrow("_id")) + 1;
            if (tmp > new_id) {
                new_id = tmp;
            }// w  w  w.  j  av a2 s  . c  o m
        }
        query.close();
    }
    return "" + new_id;
}