android-image


view.invalidate() not working to redraw imageview

女生的网名这么多〃 提交于 2020-02-03 16:46:59
问题 Ok guys, this may sound dumb, but I have been banging my head against the keyboard for some time now trying to figure out why this will not refresh. the basics: I have a little sample app that i am testing to see if i can rotate an image around a point a X amount of degrees, and show it one degree at a time to make a smooth animation. So I have a great sample i found that works great with a slider bar, basically setting the images rotation to a point on the slider bar, great! but.... when i

Android local variable get's lost when using camera intent

|▌冷眼眸甩不掉的悲伤 提交于 2020-01-30 08:57:26
问题 I'm dealing with a random problem which related to camera usage. Before I call camera intent - I generate UUID to store file with this name. I store this UUID in private variable like so: private String requestedFileName; When camera done - I'm processing this file, looks something like this: public void onPictureTaken(int index) { //First of all - remember picture in database for reference. FileData.InsertFile(mContext, UUID.fromString(requestedFileName)); //Reduce taken picture if needed,

How to know if two images are intersect while one image moving in android?

扶醉桌前 提交于 2020-01-22 21:28:40
问题 In my application, i am moving image around the screen by using onTouchListener . I have another two images in the same view. My problem is that, when the moving image, touches any of the other images, i need to perform a certain action (that means if images are intersected, then do something). How can this be achieved?.Please help me asap Thanks in Advance. 回答1: You should be able to use Rect.intersects(Rect, Rect) , like this example: Rect myViewRect = new Rect(); myView.getHitRect

how can I save a bitmap with onRetainNonConfigurationInstance() for screen orientation?

北战南征 提交于 2020-01-21 04:49:07
问题 In my class view phone cam will be opened and programme shows the bitmap after user take photo from phone cam but at the same time the user rotates the screen to "landscape" bitmap will disappear and activity's oncreate() will load again and then camera will be opened again. I didnt know save bitmap with onRetainNonConfigurationInstance() or onSaveInstanceState(). The question is this how can I save the bitmap(taken from phone cam) before user rotates the phone so that even if phone is

Fetching of non-public @android images

白昼怎懂夜的黑 提交于 2020-01-17 05:45:07
问题 Where do you get from non-public Android images as we cannot use them as reference. For example @android:drawable/call_contact. 回答1: You can get those images in your android installation directory. In my computer you can get images from below path C:\Program Files\Android\android-sdk-windows\platforms\android-8\data\res\drawable-hdpi Thanks Deepak 来源: https://stackoverflow.com/questions/6177462/fetching-of-non-public-android-images

Change background image on user's choice

自古美人都是妖i 提交于 2020-01-17 04:08:07
问题 Guys I want the user to change the background image of all the activities in my app on user selection. I am able to change the background image of the Activity from where am changing the image but if I try to change the image of other Activity , I get a NullPointerException ! Yes, I have checked that the id of other activity's Layout ! this is the code. public class setting extends Activity { TextView tv; CheckBox cbS, theme1, theme2; RelativeLayout rel; OnClickListener checkBoxListener;

Change background image on user's choice

北城余情 提交于 2020-01-17 04:07:31
问题 Guys I want the user to change the background image of all the activities in my app on user selection. I am able to change the background image of the Activity from where am changing the image but if I try to change the image of other Activity , I get a NullPointerException ! Yes, I have checked that the id of other activity's Layout ! this is the code. public class setting extends Activity { TextView tv; CheckBox cbS, theme1, theme2; RelativeLayout rel; OnClickListener checkBoxListener;

bad request while sending multiple images through retrofit 2.3.0 in android

不羁的心 提交于 2020-01-15 11:34:54
问题 I used to send multiple images to server through retrofit 2.3.0 , but I got bad request (400 err0r) my code: ArrayList<MultiPartImagesInputData> multiImagesList = new ArrayList<>(); String[] multiplesImages = {"originalImgBlob", "img430Blog", "img200Blog", "img100Blog", "blurResponseBlob"}; for (int i = 0; i < mFiles.size(); i++) { MultiPartImagesInputData multiPartImagesInputData = new MultiPartImagesInputData(multiplesImages[i], mFiles.get(i)); multiImagesList.add(multiPartImagesInputData);

android transition

瘦欲@ 提交于 2020-01-13 18:15:09
问题 I am using the following code to set an animation between 2 images for my SplashScreen: public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.splash); // Show A Transitions for Splash image here. TransitionDrawable transition = (TransitionDrawable) getResources() .getDrawable(R.drawable.splash_animation); //Set interval for the transition between two image. transition.startTransition(5000); //Fetch imageView from your layout and apply

Enlarging an Imageview on click

微笑、不失礼 提交于 2020-01-13 13:52:12
问题 Hello Stackoverflow friendo's. I'm just wondering if someone can assist me. I've created an app which holds a lot of images, the images are currently pretty small but I want them to expand once they're clicked. Is there any way of doing this? My app holds about 50 xml and the same in classes. But it holds about 100 images, is there any simple way to do this? An example of my XML <?xml version="1.0" encoding="utf-8"?> <ScrollView xmlns:android="http://schemas.android.com/apk/res/android"

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