imageview

问题 I have overloaded the getView method of listview to populate custom style of list item. This is what currently it looks like:!! Red color is to just show the background of listview item Here I have used 3 controls: Imageview for image, 2 text views (one top, one bottom). Problem here is the height of listview item is getting increased. I want two textviews over the image not above or below. To someextent I know the root cause of this problem but don't know how to fix it. Here is the layout of

问题 I have to show one animation on ImageView . It will like card flipping. The ImageView showing X image will flip and will show Y image. How can I do the same? Any idea? 回答1: You can use this class for flip animation FlipAnimation.class import android.graphics.Camera; import android.graphics.Matrix; import android.view.View; import android.view.animation.AccelerateDecelerateInterpolator; import android.view.animation.Animation; import android.view.animation.Transformation; public class

问题 I have setup 2 activities - one and two . For activity 1, I have a EditText and a button. When user open the app, it will show Activity One(just like the screenshot) to prompt user to key in a number. For example, 1 or 2. What I am trying to do is that: I want to display a ImageView in activity 2 when user key in a number in EditText follow by a click on the button in activity 1. If user key in 1, it will display 1.png in activity 2 If user key in 2, it will display 2.png in activity 2 If

问题 I have a Activity Profile in which the user can update his profile picture. At the same time I have a navigation drawer in which the updated profile picture should be loaded into the imageview of the navigation drawer.I need a code in which the user can choose image from gallery or camera and crop it to fit into the imageview and the same image should be loaded into the image view of a navigation drawer in the main activity. Here is the code of my ProfileAcitvity In this code we can choose

问题 Hi i'm trying to add an image to an ImageView from a URL i have tried loading it as a bitmap but nothing is showing. so does anyone know what the best method to do this is or what i'm doing wrong? heres my code @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); //Check Preferences which sets UI setContentView(R.layout.singlenews); TextView headerText = (TextView) findViewById(R.id.header_text); headerText

问题 Basically i have a grid(stored as an image) like so: What I need to do is draw on this grid with my finger(multiple strokes) and display and save this new bitmap. Additionally, while drawing I need to obtain the coordinates of the stroke so I can calculate some data from it(The whole grid is divided into zones ). The coordinate part was simple, which I did using Rect(), getX() and getY() viz. int getZoneLocation(int x, int y) { Rect rectangle = new Rect(); amslerView.getGlobalVisibleRect

问题 I am doing an application which user by clicking on an image(ImageView1) can see that in another ImageView2. so I try to get the image of ImageView1 in a variable BufferedImage img= SwingFXUtils.fromFXImage(ImageView1.getImage(), null); And then assign that variable to ImageView2 ImageView2.setImage(SwingFXUtils.toFXImage(img, null)); But it seems however, setImage is done successfully, but ImageView2 is not showing anything. anyone can help me for a better solution? Here is the code example:

问题 I am trying to make a fake horizontal ListView. For that, I want to rotate the content of each cell in the adapter. It almost works: class ImageAdapter(ctx: Context, viewResourceId: Int, imageResourceId: Int, strings: Array[String], icons: TypedArray, colorSelected: Int, colorNotSelected: Int, colorBorder: Int) extends ArrayAdapter[String](ctx, viewResourceId, strings) { // Useful variables private val mInflater: LayoutInflater = ctx.getSystemService( Context.LAYOUT_INFLATER_SERVICE)

问题 I have a layout which I'm adding ImageViews (about 13) to at run time using a single thread. When I load more than 7 or 8 images (970px x 970px, 270kb) the application crashes displaying an out of memory error. Now when I load the same image rather than choosing 13 different images it displays fine. And also when I reduce the size of the images (16px x 16px, 770bytes) it displays fine. So does anyone know what the max memory allowed when loading images? What is the best way to get around this

问题 My app shows a widget with a total of 8 buttons. I would like to give the user the possibility to style that widget and customize the size of the ImageViews which are below the buttons. The aim is to leave the Buttons as they are, but to change the ImageView sizes dynamically. For this the User gets to set an icon Size, which is stored in a SharedPreference as an Integer iconSize . How can I change the size of an ImageView in a Widget? For now, the ImageViews are created with the size set in