setbackground

问题 basically what I want to do is, use the url of an image (it doesnt matter if it is downloaded or not) to set the background of relativelayout I have googled for hours and tried a lot of suggestions but I always end up with errors and app crashes... if((!modelsArrayList.get(position).isGroupHeader())&& (modelsArrayList.get(position).isProfBox())) { rowView = inflater.inflate(R.layout.prof_header, parent, false); TextView titleView = (TextView) rowView.findViewById(R.id.header); titleView

问题 How can i convert color code in integer ex: 13369395 to android specific. Since 13369395 is also an integer i tried doing mainLayout.setTextColor(13369395); but its not working. I also tried converting 13369395 to hexadecimal like: mainLayout.setBackgroundColor(Integer.parseInt(13369395 +"", 16)+0xFF000000); but it also didn't help. 回答1: I got the solution. Just a work around with Hexadecimal as below: Integer.toHexString(colour); Which returns the hexadecimal string for your integer, again

问题 I am trying to set cornerRadius of UIButton but I dont know how to do it. If I do like this: button.layer.cornerRadius = 5; works well, if I do like this : button.layer.cornerRadius = 5; [button setBackgroundColor:[UIColor colorWithPatternImage:radialGradient]]; the corners are not rounded. I know I could solve this whit [button.layer setMasksToBounds:YES]; but I specifically looking for different solution, because I add some arrows to the button and if I set mask to bounds the arrow are

问题 I tried using: frame1.getContentPane().setBackground(Color.yellow); But it is not working. Can anyone help me? import java.awt.*; import java.awt.Color; public class PlayGame { public static void main(String[] args) { GameFrame frame1 = new GameFrame(); frame1.getContentPane().setBackground(Color.yellow); // Set Icon Image icon = Toolkit.getDefaultToolkit().getImage("image/poker_icon.gif"); frame1.setIconImage(icon); frame1.setVisible(true); frame1.setSize(600, 700); frame1.setTitle("Card

问题 I am programming an editable combobox in a JFrame Form, but i want to change te background color. How the program works: If i click the button "press", then the combobox his background needs to become black. I tried: 1. cbo.setBackground(Color.BLACK); But it did nothing 2 cbo.getEditor().getEditorComponent().setBackground(Color.BLACK); ((JTextField) cbo.getEditor().getEditorComponent()).setOpaque(true); Does this: Code example: public class NewJFrame extends javax.swing.JFrame { private

问题 I can set the background once, but after that it never changes again. I've seen all examples on stackoverflow. The code examples look always the same. I've set the delegate. The images are all ok. I've set them one after the other as default image and the will show. But after the app finished launching nothing happens with the background anymore. Here's my code: - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { [self

问题 This question already has answers here : How to programmatically re-apply a 9-patch image to an ImageView? (5 answers) Closed 6 years ago . firstly thank you for taking the time to read this. So I have created three 9-patch files which are working correctly as I can set them in XML on my registration form I've created and they look fine. The first two are set using an XML file depending on whether the EditText state_focused = 'true' or if state_focused='false'. That is working absolutely fine

问题 I have problem with setting JPanel and JFrame color to white, though I used panel.setBackground(Color.white) . The second problem is that setting ImageIcon in JRadioButton constructor causes that JRadioButton is invisible. Here is my code: public class proby { static JPanel panel = new JPanel(); static JPanel panel2 = new JPanel(); private void createAndShowGUI() { final ImageIcon zielonaikona = new ImageIcon("green2.png"); final ImageIcon czerwonaikona = new ImageIcon("red2.png"); final

问题 I've got an issue when using the pyqtgraph module in python. When I put a white background color to a glscatterplot, the scatter dots just vanish. It is like if the color of background was added to the color of the scatterplot therefore everything is white. Here is a piece of the code I use: w = gl.GLViewWidget() w.setBackgroundColor('w') w.show() sp3 = gl.GLScatterPlotItem(pos=np.transpose(pos3), color=rgba_img, size=1, pxMode=False) w.addItem(sp3) If I replace ('w') by ('k') in the

问题 This question already has answers here : Setting background color for the JFrame (15 answers) Closed 5 years ago . I have two class files: Screen https://gist.github.com/3020101 JMain https://gist.github.com/3020107 I'm trying to get it to go fullscreen for 5 seconds and display the background (or, at this point, even the foreground) but when I run it it goes fullscreen for 5 seconds, yay, but it is just a blank light grey screen. What am I doing wrong? Eventually I'm going to use an image