Examples with Nullable android.support.annotation.Nullable used on opensource projects

Example 21 with Nullable

use of android.support.annotation.Nullable in project Signal-Android by WhisperSystems.

the class CameraUtils method getPreferredPreviewSize.

/*
   * modified from: https://github.com/commonsguy/cwac-camera/blob/master/camera/src/com/commonsware/cwac/camera/CameraUtils.java
   */
@Nullable
public static Size getPreferredPreviewSize(int displayOrientation, int width, int height, @NonNull Parameters parameters) {
    final int targetWidth = displayOrientation % 180 == 90 ? height : width;
    final int targetHeight = displayOrientation % 180 == 90 ? width : height;
    final double targetRatio = (double) targetWidth / targetHeight;
    Log.w(TAG, String.format("getPreferredPreviewSize(%d, %d, %d) -> target %dx%d, AR %.02f", displayOrientation, width, height, targetWidth, targetHeight, targetRatio));
    List<Size> sizes = parameters.getSupportedPreviewSizes();
    List<Size> ideals = new LinkedList<>();
    List<Size> bigEnough = new LinkedList<>();
    for (Size size : sizes) {
        Log.w(TAG, String.format("  %dx%d (%.02f)", size.width, size.height, (float) size.width / size.height));
        if (size.height == size.width * targetRatio && size.height >= targetHeight && size.width >= targetWidth) {
            ideals.add(size);
            Log.w(TAG, "    (ideal ratio)");
        } else if (size.width >= targetWidth && size.height >= targetHeight) {
            bigEnough.add(size);
            Log.w(TAG, "    (good size, suboptimal ratio)");
        }
    }
    if (!ideals.isEmpty())
        return Collections.min(ideals, new AreaComparator());
    else if (!bigEnough.isEmpty())
        return Collections.min(bigEnough, new AspectRatioComparator(targetRatio));
    else
        return Collections.max(sizes, new AreaComparator());
}

Example 22 with Nullable

use of android.support.annotation.Nullable in project Signal-Android by WhisperSystems.

the class AttachmentDatabase method getAttachment.

@Nullable
public DatabaseAttachment getAttachment(AttachmentId attachmentId) {
    SQLiteDatabase database = databaseHelper.getReadableDatabase();
    Cursor cursor = null;
    try {
        cursor = database.query(TABLE_NAME, PROJECTION, PART_ID_WHERE, attachmentId.toStrings(), null, null, null);
        if (cursor != null && cursor.moveToFirst())
            return getAttachment(cursor);
        else
            return null;
    } finally {
        if (cursor != null)
            cursor.close();
    }
}

Example 23 with Nullable

use of android.support.annotation.Nullable in project Signal-Android by WhisperSystems.

the class AttachmentDatabase method getAttachmentDataFile.

@Nullable
private File getAttachmentDataFile(@NonNull AttachmentId attachmentId, @NonNull String dataType) {
    SQLiteDatabase database = databaseHelper.getReadableDatabase();
    Cursor cursor = null;
    try {
        cursor = database.query(TABLE_NAME, new String[] { dataType }, PART_ID_WHERE, attachmentId.toStrings(), null, null, null);
        if (cursor != null && cursor.moveToFirst()) {
            if (cursor.isNull(0)) {
                return null;
            }
            return new File(cursor.getString(0));
        } else {
            return null;
        }
    } finally {
        if (cursor != null)
            cursor.close();
    }
}

Example 24 with Nullable

use of android.support.annotation.Nullable in project Signal-Android by WhisperSystems.

the class ThreadDatabase method getRecipientsForThreadId.

@Nullable
public Recipients getRecipientsForThreadId(long threadId) {
    SQLiteDatabase db = databaseHelper.getReadableDatabase();
    Cursor cursor = null;
    try {
        cursor = db.query(TABLE_NAME, null, ID + " = ?", new String[] { threadId + "" }, null, null, null);
        if (cursor != null && cursor.moveToFirst()) {
            String recipientIds = cursor.getString(cursor.getColumnIndexOrThrow(RECIPIENT_IDS));
            return RecipientFactory.getRecipientsForIds(context, recipientIds, false);
        }
    } finally {
        if (cursor != null)
            cursor.close();
    }
    return null;
}

Example 25 with Nullable

use of android.support.annotation.Nullable in project Signal-Android by WhisperSystems.

the class ThreadDatabase method getAttachmentUriFor.

@Nullable
private Uri getAttachmentUriFor(MessageRecord record) {
    if (!record.isMms() || record.isMmsNotification() || record.isGroupAction())
        return null;
    SlideDeck slideDeck = ((MediaMmsMessageRecord) record).getSlideDeck();
    Slide thumbnail = slideDeck.getThumbnailSlide();
    return thumbnail != null ? thumbnail.getThumbnailUri() : null;
}