imageview

问题 I have a star image in action bar. When I click on it, then the image should change to ON star. This is working fine. But how to know whether image is at ON state or OFF state.I want something that, if the image is at OFF mode and user taps on ON star, then it should set to ON star image. Initially, the image is set to OFF mode. So for this, I've wrote give line to turn on as user tap on it : v.setBackgroundResource(android.R.drawable.star_big_on); Guys pls suggest me for OFF mode if star

问题 Hi In My application I am getting the json response in that image is there.That image I want to display in android imageview.In that image I want to set for imageView. picture":"547150_156322317826149_1332901104_n.jpg Can any one help me 回答1: well, I will Suppose that you got your picture from an url, so I suggest you to try this code: create a simple ImageView in your main.xml file: main.xml: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk

问题 Hi In My application I am getting the json response in that image is there.That image I want to display in android imageview.In that image I want to set for imageView. picture":"547150_156322317826149_1332901104_n.jpg Can any one help me 回答1: well, I will Suppose that you got your picture from an url, so I suggest you to try this code: create a simple ImageView in your main.xml file: main.xml: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk

问题 I am creating an Android application that needs to store some multimedia files in the internal storage. The user can choose that multimedia files from the picker. Those files must be available even when the user removes them, so they are copied to the internal storage. Here's my code: final Bitmap bitm = MediaStore.Images.Media.getBitmap( this.getContentResolver(), uri ); final int bitmapRawLength = bitm.getAllocationByteCount(); final ByteBuffer byteBuffer = ByteBuffer.allocate(

问题 I have a RecyclerViewAdapter which in onBindViewHolder, I make an AsyncTask call to download the image required from Google Cloud Storage. There are some items in the RecyclerViewAdapter which call for the same image. I tried to deal with this by only downloading the image if it doesn't already exist in the local file storage; otherwise if it does then it uses the image that has already been downloaded. Now what's happening is, if there are multiple items from the RecyclerView calling for the

问题 I have implemented photo upload in Django but I have a problem to view it Django admin. models.py class WorkPlacePhoto(models.Model): file = models.FileField(storage=FileSystemStorage(location=settings.MEDIA_ROOT), upload_to='uploads') Photos are saved in PATH_TO_APP/media/uploads/ and I can view them in my app. However, in admin panel, when I clicked on the link which admin app is generated it gives me 404 error as Request Method: GET Request URL: http://127.0.0.1/admin/wpphotos

问题 I have implemented photo upload in Django but I have a problem to view it Django admin. models.py class WorkPlacePhoto(models.Model): file = models.FileField(storage=FileSystemStorage(location=settings.MEDIA_ROOT), upload_to='uploads') Photos are saved in PATH_TO_APP/media/uploads/ and I can view them in my app. However, in admin panel, when I clicked on the link which admin app is generated it gives me 404 error as Request Method: GET Request URL: http://127.0.0.1/admin/wpphotos

问题 I have a problem with loading Images with ImageView on FXML. My controller class: public class BoxViewController { @FXML private Label label_boxID; @FXML private ImageView boximage; public void initData(ObservableList<BoxProperty> observableList, BoxService sBox, TableView tableview) { this.label_boxID.setText( String.valueOf(this.boxproperty.getPboxid())); Image image = new Image("boximage.jpg"); this.boximage = new ImageView(); this.boximage.setImage(image); } } So, setting the label with a

问题 I want to save image using my developed app into mobile what is the best way to it. I was trying to save via sqlite but is there any other options? 回答1: The recommended way is to store the image as a file not in the database and then store the path or enough of the path to uniquely identify the image in the database. To store an image you have to store it as a BLOB based upon a byte[] (byte array); However, using the Android SDK, there is a limitation that only images less than 2MB can be

问题 I want to save image using my developed app into mobile what is the best way to it. I was trying to save via sqlite but is there any other options? 回答1: The recommended way is to store the image as a file not in the database and then store the path or enough of the path to uniquely identify the image in the database. To store an image you have to store it as a BLOB based upon a byte[] (byte array); However, using the Android SDK, there is a limitation that only images less than 2MB can be