Example usage for android.content Context getContentResolver

Introduction

In this page you can find the example usage for android.content Context getContentResolver.

Prototype

public abstract ContentResolver getContentResolver();

Source Link

Document

Return a ContentResolver instance for your application's package.

Usage

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   w ww. j  ava 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;
}

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From source file:edu.mit.mobile.android.livingpostcards.data.Card.java

/**
 * Creates a new card with a random UUID. Cards are marked DRAFT by default.
 *
 * @param cr/*from w w  w .  j a  va  2  s .c  om*/
 * @param cv
 *            initial card contents
 * @return
 */
public static Uri createNewCard(Context context, Account account, ContentValues cv) {

    JsonSyncableItem.addUuid(cv);

    cv.put(Card.COL_DRAFT, true);

    Authorable.putAuthorInformation(context, account, cv);

    final Uri card = context.getContentResolver().insert(Card.CONTENT_URI, cv);

    return card;
}

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From source file:jog.my.memory.gcm.ServerUtilities.java

/**
 * Gets the real path of the URI returned from the camera
 * @param contentUri - apparent URI of resource
 * @return - actual URI of resource/*from   w w w.j av a  2s . c o  m*/
 */
public static String getRealPathFromURI(Uri contentUri, Context context) {
    String[] proj = new String[] { MediaStore.Images.ImageColumns.DATA };

    Cursor cursor = context.getContentResolver().query(contentUri, proj, null, null, null);
    int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
    cursor.moveToFirst();

    String filename = cursor.getString(column_index);
    cursor.close();

    return filename;
}

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

public static void addDetails(ContentValues details, ArrayList<ContentValues> allReviews, Context context) {
    ContentResolver resolver = context.getContentResolver();

    ContentValues[] a = new ContentValues[allReviews.size()];
    allReviews.toArray(a);/* ww  w .jav a  2s.c  o m*/

    Log.v(TAG, "addDetails: " + resolver.insert(MovieContract.Details.CONTENT_URI, details));
    Log.v(TAG, "addDetails: " + resolver.bulkInsert(MovieContract.Review.CONTENT_URI, a));
}

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From source file:Main.java

/**
 * Get the value of the data column for this Uri. This is useful for
 * MediaStore Uris, and other file-based ContentProviders.
 *
 * @param context       The context.// w ww.j  a  va  2 s.  c o m
 * @param uri           The Uri to query.
 * @param selection     (Optional) Filter used in the query.
 * @param selectionArgs (Optional) Selection arguments used in the query.
 * @return The value of the _data column, which is typically a file path.
 * @author paulburke
 */
public static String getDataColumn(Context context, Uri uri, String selection, String[] selectionArgs) {

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

    try {
        cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, null);
        if (cursor != null && cursor.moveToFirst()) {
            if (DEBUG)
                DatabaseUtils.dumpCursor(cursor);

            final int column_index = cursor.getColumnIndexOrThrow(column);
            return cursor.getString(column_index);
        }
    } catch (IllegalArgumentException ex) {
        Log.i(TAG, "getDataColumn: _data", ex);
    } finally {
        if (cursor != null)
            cursor.close();
    }
    return null;
}

---

From source file:Main.java

/**
 * A safer decodeStream method//  w w  w  .  j av a2s.com
 * rather than the one of {@link BitmapFactory} which will be easy to get OutOfMemory Exception
 * while loading a big image file.
 * 
 * @param uri
 * @param width
 * @param height
 * @return
 * @throws FileNotFoundException
 */
protected static Bitmap safeDecodeStream(Context context, Uri uri, int width, int height)
        throws FileNotFoundException {
    int scale = 1;
    // Decode image size without loading all data into memory  
    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true;

    android.content.ContentResolver resolver = context.getContentResolver();
    try {

        BitmapFactory.decodeStream(new BufferedInputStream(resolver.openInputStream(uri), 4 * 1024), null,
                options);
        if (width > 0 || height > 0) {
            options.inJustDecodeBounds = true;
            int w = options.outWidth;
            int h = options.outHeight;
            while (true) {
                if ((width > 0 && w / 2 < width) || (height > 0 && h / 2 < height)) {
                    break;
                }
                w /= 2;
                h /= 2;
                scale *= 2;
            }
        }
        // Decode with inSampleSize option  
        options.inJustDecodeBounds = false;
        options.inSampleSize = scale;
        return BitmapFactory.decodeStream(new BufferedInputStream(resolver.openInputStream(uri), 4 * 1024),
                null, options);
    } catch (Exception e) {
        e.printStackTrace();
    } catch (OutOfMemoryError e) {
        e.printStackTrace();
        System.gc();
    }
    return null;
}

---

From source file:edu.stanford.mobisocial.dungbeetle.feed.objects.SharedSecretObj.java

public static byte[] getOrPushSecret(Context context, Contact other) {
    if (other.secret != null) {
        return other.secret;
    }//from  w  ww.ja v a2 s  .  c  o  m
    //TODO: this really needs to be refactored into the contentprovider/helpers etc
    ContentValues values = new ContentValues();
    byte[] ss = new byte[32];
    random.nextBytes(ss);
    values.put(Contact.SHARED_SECRET, ss);
    context.getContentResolver().update(Uri.parse(DungBeetleContentProvider.CONTENT_URI + "/contacts"), values,
            "_id=?", new String[] { String.valueOf(other.id) });
    Helpers.sendMessage(context, other.id, json(ss), TYPE);
    return ss;
}

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From source file:com.ushahidi.android.app.util.Util.java

/*** Gets the state of Airplane Mode.        
 * * @param context      //from   w w w.  ja v  a2  s  .  c o m
 * * @return true if enabled.      
 * */
public static boolean isAirplaneModeOn(Context context) {
    return Settings.System.getInt(context.getContentResolver(), Settings.System.AIRPLANE_MODE_ON, 0) != 0;
}

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From source file:edu.stanford.mobisocial.dungbeetle.feed.objects.PictureObj.java

public static DbObject from(Context context, Uri imageUri) throws IOException {
    // Query gallery for camera picture via
    // Android ContentResolver interface
    ContentResolver cr = context.getContentResolver();

    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true;//w w  w . j av  a 2 s. c o  m
    BitmapFactory.decodeStream(cr.openInputStream(imageUri), null, options);

    int targetSize = 200;
    int xScale = (options.outWidth + targetSize - 1) / targetSize;
    int yScale = (options.outHeight + targetSize - 1) / targetSize;

    int scale = xScale < yScale ? xScale : yScale;
    //uncomment this to get faster power of two scaling
    //for(int i = 0; i < 32; ++i) {
    //   int mushed = scale & ~(1 << i);
    //   if(mushed != 0)
    //      scale = mushed;
    //}

    options.inJustDecodeBounds = false;
    options.inSampleSize = scale;

    Bitmap sourceBitmap = BitmapFactory.decodeStream(cr.openInputStream(imageUri), null, options);

    int width = sourceBitmap.getWidth();
    int height = sourceBitmap.getHeight();
    int cropSize = Math.min(width, height);

    float scaleSize = ((float) targetSize) / cropSize;

    Matrix matrix = new Matrix();
    matrix.postScale(scaleSize, scaleSize);
    float rotation = PhotoTaker.rotationForImage(context, imageUri);
    if (rotation != 0f) {
        matrix.preRotate(rotation);
    }

    Bitmap resizedBitmap = Bitmap.createBitmap(sourceBitmap, 0, 0, width, height, matrix, true);

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    resizedBitmap.compress(Bitmap.CompressFormat.JPEG, 90, baos);
    byte[] data = baos.toByteArray();
    sourceBitmap.recycle();
    sourceBitmap = null;
    resizedBitmap.recycle();
    resizedBitmap = null;
    System.gc(); // TODO: gross.

    JSONObject base = new JSONObject();
    if (ContentCorral.CONTENT_CORRAL_ENABLED) {
        try {
            String type = cr.getType(imageUri);
            if (type == null) {
                type = "image/jpeg";
            }
            base.put(CorralClient.OBJ_LOCAL_URI, imageUri.toString());
            base.put(CorralClient.OBJ_MIME_TYPE, type);
            String localIp = ContentCorral.getLocalIpAddress();
            if (localIp != null) {
                base.put(Contact.ATTR_LAN_IP, localIp);
            }
        } catch (JSONException e) {
            Log.e(TAG, "impossible json error possible!");
        }
    }
    return from(base, data);
}

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

/**
 * In support of deleting a mailbox, find all messages and delete their attachments.
 *
 * @param context/*from  w w w. j ava 2s  .  c  om*/
 * @param accountId the account for the mailbox
 * @param mailboxId the mailbox for the messages
 */
public static void deleteAllMailboxAttachmentFiles(Context context, long accountId, long mailboxId) {
    Cursor c = context.getContentResolver().query(Message.CONTENT_URI, Message.ID_COLUMN_PROJECTION,
            MessageColumns.MAILBOX_KEY + "=?", new String[] { Long.toString(mailboxId) }, null);
    try {
        while (c.moveToNext()) {
            long messageId = c.getLong(Message.ID_PROJECTION_COLUMN);
            deleteAllAttachmentFiles(context, accountId, messageId);
        }
    } finally {
        c.close();
    }
}

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