org.robovm.apple.foundation.NSRange Java Examples

@Override
public void viewDidLoad() {
    super.viewDidLoad();

    gameModel = new GameModel();

    gameOver = false;
    scoreRequestTextField.setDelegate(new UITextFieldDelegateAdapter() {
        // Code to limit our text field to 4 characters.
        @Override
        public boolean shouldChangeCharacters(UITextField textField, NSRange range, String string) {
            final int maxLength = 4;

            int oldLength = textField.getText().length();
            int replacementLength = string.length();
            long rangeLength = range.getLength();
            long newLength = oldLength - rangeLength + replacementLength;

            boolean returnKey = string.indexOf('\n') != -1;

            return newLength <= maxLength || returnKey;
        }
    });
}
 

@Override
public boolean shouldChangeCharacters(UITextField textField, NSRange range, String string) {
	for (int i = 0; i < range.getLength(); i++) {
		app.input.inputProcessor.keyTyped((char) 8);
	}

	if (string.isEmpty()) {
		if (range.getLength() > 0)
			Gdx.graphics.requestRendering();
		return false;
	}

	char[] chars = new char[string.length()];
	string.getChars(0, string.length(), chars, 0);

	for (int i = 0; i < chars.length; i++) {
		app.input.inputProcessor.keyTyped(chars[i]);
	}
	Gdx.graphics.requestRendering();

	return true;
}
 

@IBAction
private void urlFieldWasTapped(UITextView sender) {
    // Select the url.
    urlField.setSelectedRange(new NSRange(0, urlField.getText().length()));
    // Show the copy menu.
    UIMenuController.getSharedMenuController().setTargetRect(urlField.getBounds(), urlField);
    UIMenuController.getSharedMenuController().setMenuVisible(true, true);

}
 

private void handleKeyboardNotification(UIKeyboardAnimation animation) {
    double animationDuration = animation.getAnimationDuration();

    // Convert the keyboard frame from screen to view coordinates.
    CGRect keyboardScreenBeginFrame = animation.getStartFrame();
    CGRect keyboardScreenEndFrame = animation.getEndFrame();

    CGRect keyboardViewBeginFrame = getView().convertRectFromView(keyboardScreenBeginFrame, getView().getWindow());
    CGRect keyboardViewEndFrame = getView().convertRectFromView(keyboardScreenEndFrame, getView().getWindow());
    double originDelta = keyboardViewEndFrame.getOrigin().getY() - keyboardViewBeginFrame.getOrigin().getY();

    // The text view should be adjusted, update the constant for this
    // constraint.
    textViewBottomLayoutGuideConstraint
            .setConstant(textViewBottomLayoutGuideConstraint.getConstant() - originDelta);

    getView().setNeedsUpdateConstraints();

    UIView.animate(animationDuration, 0, UIViewAnimationOptions.BeginFromCurrentState, new Runnable() {
        @Override
        public void run() {
            getView().layoutIfNeeded();
        }
    }, null);

    // Scroll to the selected text once the keyboard frame changes.
    NSRange selectedRange = textView.getSelectedRange();
    textView.scrollRangeToVisible(selectedRange);
}
 

@Override
public boolean shouldChangeCharacters(UITextField textField, NSRange range, String string) {
    boolean result = true;

    // restrict the maximum number of characters to 5
    if (textField.getText().length() == 5 && string.length() > 0)
        result = false;

    return result;
}
 

/**
 * Helper method that parses a URL and returns a UIColor object representing
 * the first HTML color code it finds or nil if a valid color code is not
 * found. This logic is specific to this sample. Your URL handling code will
 * differ.
 */
private UIColor extractColorFromLaunchURL(NSURL url) {
    /*
     * Hexadecimal color codes begin with a number sign (#) followed by six
     * hexadecimal digits. Thus, a color in this format is represented by
     * three bytes (the number sign is ignored). The value of each byte
     * corresponds to the intensity of either the red, blue or green color
     * components, in that order from left to right. Additionally, there is
     * a shorthand notation with the number sign (#) followed by three
     * hexadecimal digits. This notation is expanded to the six digit
     * notation by doubling each digit: #123 becomes #112233.
     */

    // Convert the incoming URL into a string. The '#' character will be
    // percent escaped. That must be undone.
    String urlString = NSURL.decodeURLString(url.getAbsoluteString(), NSStringEncoding.UTF8);
    // Stop if the conversion failed.
    if (urlString == null)
        return null;

    /*
     * Create a regular expression to locate hexadecimal color codes in the
     * incoming URL. Incoming URLs can be malicious. It is best to use
     * vetted technology, such as NSRegularExpression, to handle the parsing
     * instead of writing your own parser.
     */
    NSRegularExpression regex;
    try {
        regex = new NSRegularExpression("#[0-9a-f]{3}([0-9a-f]{3})?", NSRegularExpressionOptions.CaseInsensitive);
    } catch (Exception e) {
        // Check for any error returned. This can be a result of incorrect
        // regex syntax.
        System.err.println(e);
        return null;
    }

    /*
     * Extract all the matches from the incoming URL string. There must be
     * at least one for the URL to be valid (though matches beyond the first
     * are ignored.)
     */
    NSArray<NSTextCheckingResult> regexMatches = regex.getMatches(urlString, new NSMatchingOptions(0), new NSRange(
            0,
            urlString.length()));
    if (regexMatches.size() < 1)
        return null;

    // Extract the first matched string
    int start = (int) regexMatches.get(0).getRange().getLocation();
    int end = start + (int) regexMatches.get(0).getRange().getLength();
    String matchedString = urlString.substring(start, end);

    /*
     * At this point matchedString will look similar to either #FFF or
     * #FFFFFF. The regular expression has guaranteed that matchedString
     * will be no longer than seven characters.
     */

    // Convert matchedString into a long. The '#' character should not be
    // included.
    long hexColorCode = Long.parseLong(matchedString.substring(1), 16);

    float red, green, blue;

    // If the color code is in six digit notation...
    if (matchedString.length() - 1 > 3) {
        /*
         * Extract each color component from the integer representation of
         * the color code. Each component has a value of [0-255] which must
         * be converted into a normalized float for consumption by UIColor.
         */

        red = ((hexColorCode & 0x00FF0000) >> 16) / 255.0f;
        green = ((hexColorCode & 0x0000FF00) >> 8) / 255.0f;
        blue = (hexColorCode & 0x000000FF) / 255.0f;
    }
    // The color code is in shorthand notation...
    else {
        /*
         * Extract each color component from the integer representation of
         * the color code. Each component has a value of [0-255] which must
         * be converted into a normalized float for consumption by UIColor.
         */
        red = (((hexColorCode & 0x00000F00) >> 8) | ((hexColorCode & 0x00000F00) >> 4)) / 255.0f;
        green = (((hexColorCode & 0x000000F0) >> 4) | (hexColorCode & 0x000000F0)) / 255.0f;
        blue = ((hexColorCode & 0x0000000F) | ((hexColorCode & 0x0000000F) << 4)) / 255.0f;
    }
    // Create and return a UIColor object with the extracted components.
    return UIColor.fromRGBA(red, green, blue, 1);
}
 

/**
 * Deselects the text in the urlField if the user taps in the white space of
 * this view controller's view.
 */
@Override
public void touchesEnded(NSSet<UITouch> touches, UIEvent event) {
    urlField.setSelectedRange(new NSRange(0, 0));
}
 

@Override
public boolean shouldChangeCharacters(UITextField textField, NSRange range, String string) {
    return true;
}
 

@Override
public boolean shouldChangeCharacters(UITextField textField, NSRange range, String string) {
    return true;
}