imageview

问题 In my application, we need to display the Video frame receives from server to our android application, Server is sending video data @ 50 frame per second, having encoded in WebM i.e. using libvpx to encode and decode the images, Now after decoding from libvpx its getting YUV data, that we can displayed over the image layout, the current implementation is something like this, In JNI / Native C++ code, we are converting YUV data to RGB Data In Android framework, calling public Bitmap

问题 In my application, we need to display the Video frame receives from server to our android application, Server is sending video data @ 50 frame per second, having encoded in WebM i.e. using libvpx to encode and decode the images, Now after decoding from libvpx its getting YUV data, that we can displayed over the image layout, the current implementation is something like this, In JNI / Native C++ code, we are converting YUV data to RGB Data In Android framework, calling public Bitmap

问题 i really need this code and i searched for 3 hours on internet but i couldn't find a complete and simple code and i tested many codes but some didn't work and others wasn't good,please help me with a full and simple code,thank you edit:i have this code for select image but please give me a full code for all things that i said in title because i cant resemble codes. btn_choose.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { // TODO Auto-generated method stub

问题 I have imageview in my Android app that I am using like a button with the onClick event given, but as you might guess it is not giving imageview a clickable effect when clicked. How can I achieve that? 回答1: You can design different images for clicked/not clicked states and set them in the onTouchListener as follows final ImageView v = (ImageView) findViewById(R.id.button0); v.setOnTouchListener(new OnTouchListener() { @Override public boolean onTouch(View arg0, MotionEvent arg1) { switch

问题 I have imageview in my Android app that I am using like a button with the onClick event given, but as you might guess it is not giving imageview a clickable effect when clicked. How can I achieve that? 回答1: You can design different images for clicked/not clicked states and set them in the onTouchListener as follows final ImageView v = (ImageView) findViewById(R.id.button0); v.setOnTouchListener(new OnTouchListener() { @Override public boolean onTouch(View arg0, MotionEvent arg1) { switch

问题 I have a LinearLayout and inside, a ImageView and TextView. I want to align the center of the LinearLayout the ImageView and the TextView below the ImageView. I only get the top align ImageView in LinearLayout. How I can do? <LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:layout_gravity="center_horizontal" android:layout_weight="1" android:layout_margin="8dp" android:gravity="center_horizontal" android:orientation="vertical" > <ImageView android

问题 I am trying to change the image in an ImageView of a different layout. For this, I am using Layout Inflator, because I don't know any other way. The image gets visible when users click a button and according to the selected button, image gets visible. But this method is not working for me. This is my layout file: <?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match

问题 I am using eclipes the create an android card game.For some reason my application crashes when i call the animation. One change i had to make was in the Flip Class and that was changing the layoutview to imageview because in the animation method "createDisplayNextView" had an error. ////////ANIMATION private ImageView FrontView; private ImageView BackView; private boolean isFirstImage = true; private void applyRotation(float start, float end) { // Find the center of image FrontView =

问题 Instead of using actionbar and setting up an icon, I could not use actionbar here. What I really want to do is to setup an imageview, which responds to user's click. When it is clicked, sidebar/menu will open or close, just like clicking on physical button at the button of android phone. Is there any easy way to do so? (all the items in the sidebar are already done and work fine. I checked it by clicking on physical menu button on my phone) 回答1: Felt worthwhile to put the code for this

问题 In my app I have a list view, which contains an image view. The image is loaded from bas64 encoded string. First the string is decoded and then converted it to bitmap and then the bitmap is loaded to the image view. All the decoding is done in an async task and concurrency is handled according to the below documentation. Processing Bitmaps Off the UI Thread The problem is the app is scrolling slow, and all other async tasks are not executing after that. any possible solutions? 回答1: You