imageview

问题 I'm trying to create a GridPane containing images of equal height and width. I've put each ImageView into a Pane because without the Pane the ImageView elements don't seem to scale correctly. It kinda works with the Pane , but the quality of the ImageView gets degraded. public class Cell extends Pane{ public Cell(FieldCell field){ this.field = field; image = new ImageView(new Image("path")); image.fitHeightProperty().bind(this.heightProperty()); image.fitWidthProperty().bind(this

问题 I want to display image to ImageView from " http://i.imgur.com /4GLKF4Q.jpg" but The image in image URL didn't display to imageview. Can I do this? AsyncTask class DownloadImageTask extends AsyncTask<String, Void, byte[]> { ImageView bmImage; public DownloadImageTask(ImageView bmImage) { this.bmImage = bmImage; } protected byte[] doInBackground(String... urls) { try { URL url = new URL(urls[0]); InputStream is = (InputStream) url.getContent(); byte[] buffer = new byte[8192]; int bytesRead;

问题 I'm trying to better understand how Android handle images in order to use memory more efficiently. I have an image stored in the Bitmap and I'm using ImageView.setImageBitmap() to display it. Now the question is - will it use the Bitmap I've passed it in the future, or it's making a copy of it and the Bitmap I've created isn't used anymore after the call to setImageBitmap ? Asuming it's gonna keep reference to the Bitmap I've passed, how is it gonna behave when Bitmap was created via

问题 I was wondering if it is possible to add textview inside imageview or vice-versa. Is it possible? If yes then how? I want to make this at runtime 回答1: The simplest way I think is to setCompoundDrawables via XML attributes android:drawableLeft android:drawableTop android:drawableRight android:drawableBottom. Example: <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:drawableRight="@drawable/ic_navigation_chevron_right" android:text="Next " android

问题 I defined onTouchEvent(MotionEvent event) to receive touch events for imageview. I am using multiple imageviews and i have to find for which imageview I have received touch event. Is it possible to get imageview inside onTouchEvent? public void createImageViews() { int i = 0; imageArray[0] = (ImageView)findViewById(R.id.image1); imageArray[1] = (ImageView)findViewById(R.id.image2); imageArray[2] = (ImageView)findViewById(R.id.image3); imageArray[3] = (ImageView)findViewById(R.id.image4);

问题 I have an ImageView with both image src and background color set. This image is into a layout that is the gridview item layout. I would to create an xml selector that when the item is choosen, the image background change, but the image src not. Something similar to the main menu of android with icon with text, I want to highlight only the image. I would not to make an image for each state of the object, I only want to change the background. <?xml version="1.0" encoding="utf-8"?>

问题 Table view cell imageView is working on the simulator but not on the device.. Some things I have checked. I have not changed anything in the code. Image is added to the project and in same folder. I have one more cell image which is working fine. Thank you in advance. 回答1: Iphone device is case sensitive ... and simulator is not.. 回答2: Make sure you check the case of the name used in your +[UIImage imageNamed:] calls. These are case-sensitive on the device, but not always on the sim. That's

问题 I tried to use ImageFactory.imageAsResized for resizing images. but some times for some images it returns null. I want to know is there any specification for images that we want to upload.??? given code may show my problem var saveImageData = ImageFactory.imageAsResized(image, { width : 480, height : 360 }); if (saveImageData !== null) { var toast = Titanium.UI.createNotification({ duration : 1000, message : "save true "+saveImageData }); toast.show(); } else{ var toast = Titanium.UI

问题 Is there a way to determine in an Android app which area of an ImageView (x,y coordinates, for instance) was clicked by a user? Thanks. 回答1: Checkout MotionEvent and this other question 来源： https://stackoverflow.com/questions/3078794/identifying-image-area-clicked-in-android

问题 I've got an if-else scenario where the if-path uses this code: BitmapFactory.Options options = new BitmapFactory.Options(); options.inScaled = false; options.inPurgeable = true; options.inInputShareable = true; bitmap = BitmapFactory.decodeResource(getResources(), resourceId, options); And the else-path uses this code: InputStream is = getContentResolver().openInputStream(Uri.fromFile(file)); BitmapFactory.Options options = new BitmapFactory.Options(); options.inScaled = false; options