imageview

问题 Dear fellow StackOverflower, Follow this example ( code.tutsplus[dot]com/tutorials/android-sdk-creating-a-rotating-dialer--mobile-8868 ), I'm able to create a rotating ImageView using Matrix . The logic is as the following: Load the Bitmap into the ImageView Rotate the ImageView using a Matrix on touch event. This will guarantee performance as the Bitmap doesn't get drawn every time the wheel rotate. However I would like to display only half of the wheel, and the content of the image is

问题 I wanna download a image file form parse.com and displaying it in a ImageView "myImageView". I create for that a class called "Image" and a column "profilImage" as a File Column. I tried it with that code, but it still doesn't work. PFQuery *query = [PFQuery queryWithClassName:@"Image"]; [query getObjectInBackgroundWithId:@"Y7ahcw9ZNR" block:^(PFObject *imageObject, NSError *error) { PFFile *theImage = [imageObject objectForKey:@"profilImage"]; NSData *imageData = [theImage getData]; UIImage

问题 So...., I want to use Picasso image loader library with an existing custom imageview class to load,resize,and rotate my image. The problem is I am unsuccessful with it as if I use this code: "Picasso.with(this).load(url).into(custom ImageView)" ,it gives me an error and suggests "cast parameter to target" . After casting the parameter "custom imageview" to target, when I test the application it gives me error saying "custom imageview cannot be cast to target" in the Logcat. After this problem

问题 I am trying to do a move + fade in animations to an imageView. I want it to slide from outside the screen to the middle of the screen. here's what I have tried : activity xml: <RelativeLayout android:layout_width="match_parent" android:layout_height="match_parent" android:layout_alignParentTop="true" android:layout_alignParentRight="true"> <ImageView android:layout_width="fill_parent" android:layout_height="wrap_content" android:src="@drawable/city" android:layout_alignParentBottom="true"

问题 I want to divide the image into sub images and when I click on a part of the image will give me the name of the region, for example, this is my question how to recognize a region from the image, or how to divide the image into sub-images and use it in imageViews And thank you in advance 回答1: In my opinion @fractalwrench's idea is quite good for your case. Basic steps are listed below. Subclass Android ImageView . For example, MultiRegionImageView . Override its onTouchEvent method. (This

问题 I am having a problem with setting an ImageView image to an image which has been fetched from a URL. Here is the method used to turn the URL into a Drawable object: private Drawable LoadImage(String url){ try { InputStream is = (InputStream) new URL(url).getContent(); Drawable d = Drawable.createFromStream(is, "src"); return d; }catch (Exception e) { System.out.println("Exc="+e); return null; } } Here is the code to call the method: Drawable drawable = LoadImage("www.myurl.com/image.jpg");

问题 I am still a rookie in terms of java and android programming, I believe I have come far in the last weeks but now I'm a little bit stuck and I would really appreciate your help. I am trying to develop an app that can create a User profile Layout. So far I have it ready, drawing the user's data from a web service. But now I have to add a way for the user to upload his photo from gallery or camera. So far I have achieved this with the next code: public void loadimage (View view) { Intent intent

问题 I am trying to upload an image and set it as a background but I'm having no luck. So the uploading is working fine but when I try to set the image as a background It does not work. Here is the code for upload image: Intent intent = new Intent(Intent.ACTION_PICK, android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI); startActivityForResult(intent, 0); then upload: protected void onActivityResult(int requestCode, int resultCode, Intent data) { // TODO Auto-generated method stub super

问题 I want to show a picture with ImageView . But my image size is 618 * 12956. <ScrollView android:layout_width="match_parent" android:layout_height="match_parent"> <ImageView android:id="@+id/imageViewKonu" android:layout_width="match_parent" android:layout_height="wrap_content" android:adjustViewBounds="true" android:scaleType="fitXY" /> </ScrollView> It looks fine on GT-5830. But snag while sliding with HTC Desire 820. And not show with Note 3. What can I do for all devices showing smoothly?

问题 I am using Base64 for taking picture from camera as well as picking image from SDcard, while saving image in imageview I am getting OutOfMemoryError. Below is error log. Please Help. ERROR LOG 11-20 15:58:50.098: E/AndroidRuntime(4790): FATAL EXCEPTION: main 11-20 15:58:50.098: E/AndroidRuntime(4790): java.lang.OutOfMemoryError 11-20 15:58:50.098: E/AndroidRuntime(4790): at android.graphics.BitmapFactory.nativeDecodeStream(Native Method) 11-20 15:58:50.098: E/AndroidRuntime(4790): at android