android-image

问题 I have been using Image loader class for lazy loading in list view. It works fine but I have been dealing with lots of bitmap that will be downloaded from web service. so now I get bitmap size exceeds VM budget. Increased bitmapfactory size to be 32*1024 but if it reaches 32mb again it will throw a the error. It being breaking my head for the past one week. so some one please help me out of this problem. I here by post my image loader class as well please let me know where and how should I

问题 I want to play a GIF file in my current activity. I have an XML file in which there is a layout. I want to play the GIF in the same class Activity. Is there a simple way to play a GIF file in an Activity class? 回答1: Android doesn't support the playing of animated GIF files. If you need to play them then you need to break them apart into frames, and animate each frame one by one. This will let you split up the GIF file http://www.xoyosoft.com/gs/ 回答2: You can use a webView. I will show with an

问题 I'm trying to create a simple fragment that merely displays an image when clicked. I'm getting numerous errors inlcuding "the method findViewbyId(int) is undefined for the type ExampleFragment", "Inflater cannot be resolved", and "imageview_main cannot be resolved or is not a field." imageview_main is a layout I have created, imageView1 is an image contained in that layout. Here is the fragment code: package com.firstproject.simplemenu; import android.app.Activity; import android.os.Bundle;

问题 I'm trying to create a simple fragment that merely displays an image when clicked. I'm getting numerous errors inlcuding "the method findViewbyId(int) is undefined for the type ExampleFragment", "Inflater cannot be resolved", and "imageview_main cannot be resolved or is not a field." imageview_main is a layout I have created, imageView1 is an image contained in that layout. Here is the fragment code: package com.firstproject.simplemenu; import android.app.Activity; import android.os.Bundle;

问题 I am trying to show images in a full screen view and using the following code: // Target to write the image to local storage. Target target = new Target() { // Target implementation. } // (1) Download and save the image locally. Picasso.with(context) .load(url) .into(target); // (2) Use the cached version of the image and load the ImageView. Picasso.with(context) .load(url) .into(imgDisplay); This code works well on newer phones, but on phones with 32MB VMs, I get out of memory issues. So I

问题 I am working on one application and getting product images from the server. Currently I am saving those images into the SQLite database after converting them into byte array and at the time of use I convert them back into bitmap. Now I have below two queries: What is the best way to save the images in app from where we can sync them also and get when ever required. How to assign them on image view or button because sometimes memory issue arises and application stop suddenly. Please guide me.

问题 Suppose I'm uploading two or more than two pics in some Framelayout . Hereby I'm uploading three pics with a same person in three different position in all those three pictures. Then what image processing libraries in Android or java or Native's are available to do something as shown in the pic. I would like to impose multiple pictures on each other. Something like these:- One idea is to : Do some layering in all those pictures and find mismatching areas in the pics and merge them. How one

问题 I have an image which is actually 393 x 21 px, which I would like to set on the bottom of my View. The problem is that, even if i set the width and the height to fill_parent, my image stays very small in the middle of the screen bottom and on the left and the right I have an empty field. I can resolve this by reducing the Image width size mannualy but is ther any other solution whic could set the image in fullscreen ? Thank you. 回答1: //in your xml Image attribute as android:scaleType="fitXY"

问题 Does anyone know how to crop an image\bitmap to a circle? I can not find any solution, sorry .. 回答1: For having rounded corners for ImageView, convert your image into bitmap and then try following code : private Bitmap getRoundedCroppedBitmap(Bitmap bitmap) { int widthLight = bitmap.getWidth(); int heightLight = bitmap.getHeight(); Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(),Config.ARGB_8888); Canvas canvas = new Canvas(output); Paint paintColor = new Paint();

问题 In my application am getting android.os.NetworkOnMainThreadException . I am trying to get images from url at that time i am getting this Exception . If i run application in 2.2 it is working fine but if i run in 4.0 am getting exception. public static Bitmap getBitmap(String url) { Bitmap bitmap = null; try { // replace space with url encoded character. url = url.replace(" ", "%20"); // System.out.println("url : " + url); URL urll = new URL(url); InputStream in = (InputStream) urll.getContent