android-imageview

问题 I m developing a book reader using the Lazy list project Here is Link Problem: I m getting this look of Lazy List Small pages in height and blurred image which is very difficult to read. I want this: It should look clear (not Blurred) and full page in height like this. I know: Lazy list loads the sample size of bitmaps. how can I get the images in full resolution which is about 600X921. I tried this but not helpful main.xml <ListView android:id="@+id/list" android:layout_width="wrap_content"

问题 I am trying to display a .jpg from my sd card into an imageview in my layout. I dont get any errors, but nothing gets displayed. I would appreciate any help. Thanks EDIT: layout1 = (LinearLayout) findViewById(R.id.layout1Activity); String imgFile = Environment.getExternalStorageDirectory() + "/Apple.jpg"; Bitmap myBitmap = BitmapFactory.decodeFile(imgFile); ImageView myImage = new ImageView(this); myImage.setImageBitmap(myBitmap); layout1.addView(myImage); 回答1: do NOT access the SD card

问题 I'm using the Universal Image Loader 1.8.6 library for loading dinamically images taken from web. The ImageLoaderConfiguration configuration is the following: ImageLoaderConfiguration config = new ImageLoaderConfiguration.Builder(getApplicationContext()) .memoryCacheExtraOptions(480, 800) // default = device screen dimensions .threadPoolSize(3) // default .threadPriority(Thread.NORM_PRIORITY - 1) // default .denyCacheImageMultipleSizesInMemory() .memoryCacheSize(2 * 1024 * 1024)

问题 I am still can't find the way to set wallpaper that the image getting from ImageView. Anyone can show me the way to set phone wallpaper from android ImageView? Here is my code: ImageView Layout: <ImageView android:contentDescription="My Wallpaper" android:id="@+id/full_image_view" android:layout_width="fill_parent" android:layout_height="fill_parent" android:saveEnabled="true" /> Activity on Image View Please noted that the image that showing in FullImageActivity is getting from image

问题 I'm trying to rotate and scale a view based on one "drag" handle in Android. With the layout rotating, and the view resizing, the end result should be that the drag handle follows the users finger where ever it moves. This is based on combining these two questions: How to scale a view in android using a handle? Rotating around two points in android not working The only thing that seems wrong is the rotation code. Here is my activity code: public class MainActivity extends Activity { ImageView

问题 I'm trying to calculate the dimension for this image, which will be downloaded from the web using this line imgLoader.DisplayImage(url, R.drawable.thumbnail_background, image); . The problem is that orgHeight becomes zero and you can't divide by zero. But why is this orgHeight 0? // Add the imageview and calculate its dimensions //assuming your layout is in a LinearLayout as its root LinearLayout layout = (LinearLayout)findViewById(R.id.layout); ImageView image = (ImageView)findViewById(R.id

问题 In my application I have to capture image from camera or import from gallery, show it in imageview in activity. Everything is fine, I am getting image from both and able to set it on imageview without any exception. But sometimes image is not getting scaled properly and gets vertically stretched or with orientation changed. Please help me out. Here is my code to decode image referred from official android documentation: public static Bitmap decodeSampledBitmapFromResource(File photoFile, int

问题 I'am developing a sample android application to learn about drag & drop in android. On start of the app, i'am displaying few images on a grid view. Now i need to drag one image at a time over to the place of another. After dropping an image over another, the images should swap its places. How can i achieve it ? Please guide/help me. 回答1: You can easily achieve this by using thquinn's DraggableGridView You can add your custom layout public class DraggableGridViewSampleActivity extends Activity

问题 Can anyone guide me to perform zoom in&out operations on multiple views in android ? I need to perform zoom in&out operations on touch of image, text views . What should be my parent layout? Here is the code to zoom an image on touch of imageview. How do i zoom a textview? Please help me. // These matrices will be used to scale points of the image Matrix matrix = new Matrix(); Matrix savedMatrix = new Matrix(); // The 3 states (events) which the user is trying to perform static final int NONE

问题 I have a question about how to take an image using the camera intent (or camera API) and then bring the image into an imageView for me to display in my application. This is what I have so far. I setup a button Button btnPicture = (Button) findViewById(R.id.btn_picture); btnPicture.setOnClickListener(this); I setup a Camera method private void Camera() { Intent intent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE); startActivityForResult(intent, TAKE_PICTURE_CODE); intent