android-imageview

问题 I took a picture using MediaStore and saved it. I can see the image in my Gallery. However when I try to set the image bitmap to my ImageView, it becomes blank. String abspath; public void getPicture(View view) { Intent cameraIntent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE); File imageFile = new File(PATH + "/image.jpg"); abspath = imageFile.getAbsolutePath().toString(); cameraIntent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(imageFile)); sendBroadcast(new Intent

问题 I want that If my app start first time it should download image from web and store that image in Device/Emulator , from Device/Emulator that should be displayed in ImageView . I have tried in this way : ImageView myImgView; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); myImgView = (ImageView) findViewById(R.id.imageView1); new MyAsnyc(); Log.d(MY_TAGT, "AsyncTask Executed....."); } private class

问题 Pls help in my image loader it take few sec to load the image ,on that time i need to display the progress bar on middle of the image view ,pls help me Pls see the code in my class i'm calling image loader as this way public ImageLoader imageLoader = new ImageLoader(this); imageLoader.DisplayImage1(imagepath, image_view); public class ImageLoader { MemoryCache memoryCache=new MemoryCache(); FileCache fileCache; private Map<ImageView, String> imageViews=Collections.synchronizedMap(new

问题 I have an ImageView and I want get the path of image and add in a String . I want do this because I need send this to my webservice like a default image How can I do it ? ImageView <ImageView android:id="@+id/ivPerfil" android:padding="5dp" android:layout_width="120dp" android:layout_height="120dp" android:src="@drawable/icon_usuario" android:scaleType="fitXY" /> Getting the path ivPerfil = (ImageView)findViewById(R.id.ivPerfil); Drawable img = getResources().getDrawable(R.drawable.icon

问题 I'm using this code in my android app to launch camera/gallery to get an Image, and display it into an ImageView. When the user picks an image with landscape orientation everythings works fine, but when the user picks a portrait image, the image is displayed rotated by 90 degrees. I can't understand why..I'm testing my app on a Galaxy S3 with Android 4.3 I've noticed that the problems only occours when the picture is taken by the phone..maybe this is a problem with the S3? This is my code:

问题 I have a horizontal list of images loaded from a url. So i have an ImageLoader, then an Adapter then my Activity. My xml layouts looks like this: mainlayout.xml <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="horizontal"> <com.devsmart.android.ui.HorizontalListView android:id="@+id/hlist_view" android:layout_width="match_parent" android:layout_height="match_parent" android

问题 I want to detect double tap on my custom ImageView this is what I have tried but no success: public class TouchImageView extends ImageView { Matrix matrix; // We can be in one of these 3 states static final int NONE = 0; static final int DRAG = 1; static final int ZOOM = 2; int mode = NONE; // Remember some things for zooming PointF last = new PointF(); PointF start = new PointF(); float minScale = 1f; float maxScale = 3f; float[] m; int viewWidth, viewHeight; static final int CLICK = 3;

问题 I have small problem in Android Marshmallow OS. I can use Android 6.0. But I can not see ImageView. Ex: First, I try 5.0 OS, Everything OK. Then I can use 6.0 but I don't see Imageview? What's going on? I use Imageloader.java (Because create thumb image.) Screenshot from 6.0 http://i.stack.imgur.com/SonGL.png Screenshot from 5.0 http://i.stack.imgur.com/cZpwu.png AndroidManifest.java <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android"

问题 ****I currently have this layout, and want the 3 image views to be shown at the bottom of the screen (left, center and right). I am aligning them to the bottom using gravity property but it is not working. **** Should I use relative layout instead as I could use the alignparent bottom property? My layout file <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent"

问题 I am not able to change Image on listview item when click on listview button Logcat error java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.ImageView.setBackgroundResource(int)' on a null object reference Java code onclick holder.txtnext.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub try{ imageUrls=strimgview.get(pos).split("\\|\\|"); i=imageUrls.length; if((i<=1)) { i++; ImageView