Android :: Draw Background Image With Moving Foreground Graphics?

Aug 28, 2010

I would like to know what the best way would be to draw a background image (this would be pretty much static) and a foreground object which would move depending on user input in Android?

Sort of like a side-scroller game (when the foregroudn object needs to animate and change a lot more than the background).

Android :: Draw Background image with moving foreground graphics?


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Android :: Buffering Background Image - Graphics Advice Sought

Mar 28, 2009

I am unsure of the jargon so please bear with me, I am seeking advice on the best way to go about drawing the graphics for an app I am developing. Imagine you are creating a game of checkers, where you can drag/drop one piece at a time to a blank space on the board. When the piece is being moved, it seems to me that you should not need to redraw all of the pieces that are not being moved. Using the LunarLander example, is there a way to store the background image and only draw the piece being moved over it? I have been trying to figure out a way to capture the canvas as an bitmap that is occasionally refreshed.

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Android :: Moving Background Image For Game

Nov 11, 2010

I'm currently developing an Android game where the user controls a plane and evades obstacles. I'm using simple draw commands into a Canvas.

I want to know what is the best way to move a background image to give a sense of speed to the game. Is there a way to make the background- image repeat endlessly or should I load the image twice and move them one behind the other one. Can anyone guide me on this one?

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Android : Difference Between A Background And Foreground Service?

Aug 21, 2010

I am currently writing my first Android application and I keep running into references to background and foreground services. Since I intend on using a service in my application I was hoping to get a clarification between the two and how they are used.

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Android : Webview Foreground And Background Colors?

Sep 11, 2009

I cant find anywhere how to change the Text COLOR in a webview. I can change the background color but not the Text.

Any Ideas? I want my webview to be white text on a black background instead of black text on a white background.

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Android :: Application That Has To Capture The Key Events Both In Foreground And In Background

Jul 26, 2010

I am developing an application that has to capture the key events both in foreground and in background. I used the following code. But am unable to capture the keys in background.

CODE:............

I used broadcast reciever..

CODE:.................

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Android :: Launch Intent In Background Then Bring To Foreground?

Jul 19, 2010

Is there any way to launch an activity w/ Intents (in this case the Browser) in the background, and then bring it to the foreground using a service or activity?

I know it's possible to bring apps to the foreground by launching an intent with FLAG_ACTIVITY_BROUGHT_TO_FRONT

But is it possible to initially launch the activity in the background?

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Android : Bring An Activity To Foreground From Background Manually?

Oct 19, 2009

In my application i wait on socket for network events.On some events i have to bring activity into foreground(make activity as running) if at all it is not in the foreground.

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Android :: Method To Detect Widget Is Visible - Foreground Or Background?

Aug 6, 2009

It would appear on a G1 (with the latest software update) that onUpdate () runs even when the widget is not visible. Is there a way of sensing that the widget is or is not visible or is otherwise in foreground? That is, running the code below shows a logcat message at whatever interval the Widget is scheduled to update, whether it's in foreground or not, whether even the screen is dim or otherwise in deep sleep. It would seem onUpdate should only be scheduled to run when the Widget is in the foreground or visible. Is this a defect in the G1, or is there some other API call to detect if the Widget is visible?

public class HomeScreenWidget extends AppWidgetProvider { ...

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Android : Way To Change Foreground / Background Color Of Title Text?

Feb 9, 2009

I have a subclass of android.app.Dialog and because I am using a light theme, the dialog title comes out as Black on a dark background which is hardly readable. This leads me to the question: how do I change the Dialog title background or foreground colors? Can I do this via a theme? Which property will it map to?

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Android :: Determining Current Foreground Application From Background Task Or Service

Jan 30, 2010

I wish to have one application that runs in the background, which knows when any of the built-in applications (messaging, contacts, etc) is running. So my questions are: How I should run my application in the background. How my background application can know what the application currently running in the foreground is.

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Android :: Android Image Gallery Start Moving / Slowing Down And Stopped Moving

Jun 23, 2010

i am using android gallery is there any listener or way i can know which get fired when user start motion, stop motion, slowing down or moving?

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Android :: Moving Image Over Another Image?

Jan 11, 2010

I need to design a board UI using android platform. i was planning to take one image as board and moving the required images over the board. How do i achieve the same? I need to split the board based on coordinates and need to move the required images to specifies coordinates. Is there any andorid api for image movements and animation?

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Android :: Draw Scrollable Background For Droid Game?

Sep 12, 2009

I want to draw an image that on some levels may be larger than the screen as the background for a Android game. I want the user to be able to scroll the image using their finger on the touch screen.

Here is how I am drawing the background code...

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Games :: Best Game/graphics Demo To Show Off Android Graphics Engine

Mar 31, 2009

I want to show off how good opengl es can display on my G1. Does anyone know a game with good 3D graphics that I should install for this?

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Android :: Draw A Bitmap Image?

Dec 2, 2009

Any one know about how to draw a bitmap image?...

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Android :: Draw Png Image And Run Opengl

Mar 14, 2009

Is it possible to draw a png image and then to run opengl operations on it with android? Is this the right forum to ask this? where can i get more information on doing such stuff?

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Android :: Draw A View On Top Of Image?

Aug 9, 2010

How do I draw a view on top of image. There is a predefined android xml file and when I run the application I would like to bring up a dot or a square on the top of image. Here the image already shows up from pulling information from andrid res folder , how to draw an dot over it.

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Draw A Triangle With Background Color?

Mar 7, 2014

I did this, how can i color the background of it though?>

[HIGH]Bitmap canvasBitmap = Bitmap.createBitmap( width, height, Bitmap.Config.ARGB_8888); BitmapShader shader = new BitmapShader(canvasBitmap, TileMode.CLAMP, TileMode.CLAMP); Canvas canvas = new Canvas(canvasBitmap); Paint paint = new Paint(); //paint.setStyle(Paint.Style.FILL); paint.setStrokeWidth(3); paint.setColor(Color.parseColor("#52c1b1")); canvas.drawLine(0, 0 , width, 0 , paint); canvas.drawLine(0, 0 , width/2, width/2 , paint); canvas.drawLine(width, 0 , width/2, width/2 , paint); return canvasBitmap;[/HIGH]

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Android :: Draw A Spot In The Bitmap Image

Oct 12, 2010

Hints to draw a spot(small filled circle) on a bitmap image.

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Android :: Create A Large Background And Moving It With Your Finger?

Feb 23, 2010

I am designing a Game and have a large background. The background it a lot bigger than the phone display so the user will only have a small "View" of the background. They will be able to move around by scrolling with their finger.

How do i go about this?

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Android :: Draw Margin For Image By Using Rect Object

Sep 18, 2010

How can I draw margin for Image by using Rect object (I need also to change the margin color for every image), so in the end I will have a new Image that surrounded by margins.

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Android :: Not Able To Draw A Transparent Image On Surface View / Fix It?

Jul 6, 2010

My objective is to run a glowing animation on an image.I am changing the image alpha to produce this effect.

I have used basic AlphaAnimation provided in android framework but found that its slowing down other animations. So i extended a class from SurfaceView and created a thread to update it. ( Again here, i am manipulating alpha of the image ).

Everything seems fine, except that i am not able to draw a transparent image onto SurfaceView.Its showing black color on the transparent areas of the bitmap.code...

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Android :: Moving A Little Image Over Screen

Mar 12, 2010

I would like to know how I can move a small image on the screen. The user clicks for instance a small block and after that I would like to slide it over the screen.Any help is appreciated.

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Android :: Moving Image Using Translate Animation

Nov 1, 2010

I want to move an image from 0,0 to 100,100 on android.The problem is when the animation finishes at 100,100, the image will move to 200,200 for a short time and back to 100,100 in the end. Is there any problem in my code? How to let the image stop at 100,100 correctly?

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How To Draw Image Or Edit Simple Lines In Text Box

Jan 8, 2013

I am wondering if there is a way to draw an image, or edit simple lines in a text box. The entire screen is a textView/ect and i would like to be able to write a sentence then draw an image and write again. By draw i think i would use the Canvas, so basically is there a way to include a canvas in a text view?

Evernote does do this, but to edit an image/draw you need to open another app "Skitch", my goal is to try and do this without any extra apps.

For example:

Hello

(canvas/editable graphical items)

World

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Android :: Moving Cursor Adapter Cursor Creation To Background Thread

Mar 29, 2010

The structure of some of my activities is a simple ListView with a custom CursorAdapter. The cursor is created in onCreate() on the activity from a SQLite database. The problem is that querying the SQLite database can be quite slow at times with lots of data (and let's assume I've already optimized the sql query as much as possible). Because it occurs in onCreate() on the UI thread, I get ugly black screens when opening the activity, which sometimes turn into ANRs, on a slow phone like the G1. I want to load the cursor in a background and show "Loading.." on screen while doing so. I saw AsyncQueryHandler used extensively in the framework, but this seems a solution geared more towards Content Providers and not application-local SQLite databases. I then thought of trying to load the cursor in a background thread, but realize that this might be problematic, as the CursorAdapter should be instantiated in onCreate() and should take a cursor as a parameter. The latest thought I had was to instantiate an empty MatrixCursor in onCreate() and pass that to the cursor adapter, while kicking off a thread/TimerTask to query the database. Then, on database cursor load, call cursorAdapter.change Cursor to the properly filled cursor. This doesn't seem very elegant and seems quite wasteful, however.

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Android :: Moving Gallery View To Next Image One Swipe In Android?

Apr 15, 2010

I have four images in the Gallery View. When we do swipe from left to right or right to left the Gallery View moves all the images i.e if I swipe from left to right from the first image then it will move to all the four images. What I want is that when I swipe it should only move to the next image.

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Android :: Background Image In Opengl

Apr 18, 2010

Let me know how to set up a background image in opengl. You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscribe@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en

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Android :: Image On Background Of A Row Of A ListView

Oct 29, 2009

ListView Question! I know it's possible change the row color, but it's possible to put some imagem on background? And if yes, it's possible to create an imagem 1px and repeat-x or repeat-y like CSS?

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