Android :: Scaling Game Images According To Display Sizes
Jan 6, 2010
I developed a game with the g1 in my mind. Now I want to support large screen sizes but I don't want to add in the apk different images for different screen sizes because now the apk is 3mb and when installed thought market it became 6mb (due to protection on). If I have to double the images to support new screens, the apk would be too heavy (about 13mb, I think) so I'm wondering to know if scaling images at runtime by myself (without compatibility mode) maybe the best way for supporting larger screens. Compatibility mode does a great work in scaling images but it slows down drastically the frame rate (I think because the scale operation is made every time an image is used/moved and not only once on the load of the image itself).
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Jun 26, 2010
We're looking for a method to properly scale our textures and world. The current method we're using is having an arbitrary world unit which calculates the screen resolution and receives the size of a pixel on all resolutions. However is there an easier way of implementing a scaling method for game development? We have looked through dip and other android native elements but these don't work as well for a larger scale on game development.
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May 9, 2010
I'm designing an HTML page for display in Android browsers. Consider this simple example page:
<html>
<head><title>Simple!</title>
</head>
<body>
<p><img src="http://sstatic.net/so/img/logo.png"></p>
</body>
</html>
It looks just fine on the standard HVGA phones (320x480), but on HDPI WVGA sizes (480x800 or 480x854) the built-in browser automatically scales the image up; it looks ugly.
I've read that I should be able to use this tag to force the browser to stop scaling my page:
<meta name="viewport" content="width=device-width; initial-scale=1.0; maximum-scale=1.0; minimum-scale=1.0; user-scalable=0;" />
... but all that does is disable user scaling (the zoom buttons disappear); it doesn't actually prevent the browser from scaling my image. Adjusting the scale factors (setting them all to 2.0 or 0.5) has no effect at all.
How can I force the WVGA browser to stop scaling my images?
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Aug 6, 2010
I've just uploaded Version 1.1 to the Android Market which adds support for large screen sizes. You can also pick it up at the Mobihand App Store: Mobihand App Store
Critical Altitude 3D is an Accelerometer based third person flight game featuring real-time 3D graphics (OpenGL ES). Race through endless levels avoiding buildings and various obstacles to earn a highscore!
- OpenGL ES for true 3D real-time graphics
- Accelerometer ( tilt the device ) for Up/Down and Left/Right steering
- 4 Planes to choose from with different speeds and point rewards
- Planes unlocked based on Highscore...
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Aug 21, 2010
I'm playing with a Droid Incredible my wife got from her company because I'm thinking of buying one.I do photography and I have a website.The images aren't huge maybe 600 x 800 pixels but that's bigger than the screen resolution of the Incredible so I can't view them on the built-in browser without panning around.A normal PC browser is smart enough to shrink the image to fit the browser window.Also, my wife's iPhone handles this with no problem. How do I get the browser on the Droid Incredible to do that?
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Apr 22, 2010
I've been reviewing the Supporting Multiple Screens documentation on the Android and I just need some additional clarification...
It's my understanding that designing three unique interfaces (ldpi, mdpi, and hdpi) would be the best way to go about supporting all the potential android screens with minimal scaling/distortion.
Yes, I know there are similar questions posted, however... If I create an image for the benchmark mdpi (let's say my image is 300x210, just for example) how to I determine what size I will need to recreate that image at ldpi & hdpi? This post as well as a google search leads me to believe that ldpi is just 75% of the mdpi image, and the hdpi is 150% of the mdpi image. Is this accurate?
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Apr 3, 2009
Just starting a little game project and have a super basic question. what's the best way to store animation images for a game? I looked at the alien bloodbath code and they store multiple frames in a single png file. Is that the preferred way or is there easier/better way to do it? MP4?
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Jul 30, 2010
I want to display the images one by one that means first i am displaying the some (5) images in a single row.when i am track that view next pair is coming.and when i click on particular image that image will be dispayed as big image in layout which is above of this single row layout.For this which layout are useful that means grid view like that.Give me some suggestions.
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Jul 16, 2010
I want to display the imageviews one by one that means if image1 is displayed after 2 sec another image is displayed .but i don't want to use threads why because my application is small.I want to use handlers.So give me some suggestions.
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Aug 4, 2010
I am working on one kid application in that application i want to show 1+1 =2 ,1+2=3 etc.For this i want tio display the number images one by one .That means fiorst display the 1 after + after some time another number.For this give me some suggestions.Please give me some example code .Thanks in advance
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Apr 14, 2010
Android: How to display images from the web in a ListView? I have the following code to display image from a URL in an ImageView:
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;
import android.app.ListActivity;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.widget.ImageView;
public class HttpImgDownload extends ListActivity {
/** Called when the activity is first created. */
@Override public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState); setContentView(R.layout.main);
Bitmap bitmap = // DownloadImage(
// "http://www.streetcar.org/mim/cable/images/cable-01.jpg");
DownloadImage( "http://s.twimg.com/a/1258674567/images/default_profile_3_normal.png");
ImageView img = (ImageView) findViewById(R.id.img); img.setImageBitmap(bitmap);
} private InputStream OpenHttpConnection(String urlString) throws IOException
{ InputStream in = null; int response = -1;
URL url = new URL(urlString); URLConnection conn = url.openConnection();
if (!(conn instanceof HttpURLConnection)) throw new IOException("Not an HTTP connection");
try{ HttpURLConnection httpConn = (HttpURLConnection) conn;
httpConn.setAllowUserInteraction(false); httpConn.setInstanceFollowRedirects(true);
httpConn.setRequestMethod("GET"); httpConn.connect();
response = httpConn.getResponseCode();
if (response == HttpURLConnection.HTTP_OK) { in = httpConn.getInputStream();
} } catch (Exception ex) { throw new IOException("Error connecting");
} return in; } private Bitmap DownloadImage(String URL) {
Bitmap bitmap = null; InputStream in = null;
try { in = OpenHttpConnection(URL);
bitmap = BitmapFactory.decodeStream(in);
in.close(); } catch (IOException e1) {
// TODO Auto-generated catch block e1.printStackTrace();
} return bitmap; } }
Now how can I display images in an array in a listview? Here's how I want to display the images:
http://sites.google.com/site/androideyecontact/_/rsrc/1238086823282/Home/android-eye-contact-lite/eye_contact-list_view_3.png?height=420&width=279
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Apr 7, 2010
i am storing the imagesurl in an arrayadapter. i want to display all the images that i get from the server in a gallery. i am pasting my code here can anyone tell me what i am doing wrong? public class HelloAndroid extends Activity {/** Called when the activity is first created.....................
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Jul 28, 2009
i can not view any image in my emulator screen can anyone please tell me where i am doing wrong in my code.
this is my code..................
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Feb 3, 2010
I have a question regarding 9 patch images. Is it possible to download 9 patch png files from a webserver then display it as a background of a layout while keeping the information inside the file like the stretchable pixel? I have tried using a 9 patch image coming from the resource drawable directory of my project and it displays correctly...stretching only those pixels marked as stretchable but when I tried to download a 9 patch image from my web server then the application will use the downloaded 9 patch image the stretchable pixels does not take effect..i mean instead of stretching only those pixels that where marked as stretchable it stretched the whole image.
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May 25, 2010
I am trying to display all the images stored in SD card in a Gallery View. I have tried using the content provider (android.provider.MediaStore.images.Media class), but seem to be getting stuck at a point. Not sure if this is the way to go about it. Here is my code...
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Sep 15, 2009
I want to write code to display the images only from a particular folder in sd card. e.g a folder named b'day(/sdcard/pictures/b'day). I have the following code, but it displays all the images in the sd card. What should I add/change in the following code to accomplish my objective.
private void displayGallery() { Uri uri = MediaStore.Images.Thumbnails.EXTERNAL_CONTENT_URI;
String[] projection = { MediaStore.Images.ImageColumns._ID,
// The columns we want
MediaStore.Images.Thumbnails.IMAGE_ID, MediaStore.Images.Thumbnails.KIND };
String selection = MediaStore.Images.Thumbnails.KIND + "=" + // Select only mini's MediaStore.Images.Thumbnails.MINI_KIND;
mCursor = this.managedQuery(uri, projection, selection, null, null);
if (mCursor != null) { mCursor.moveToFirst();
ImageAdapter adapter = new ImageAdapter (mCursor, this);
Log.i(TAG, "displayGallery(), adapter = " + adapter.getCount());
mGallery.setAdapter(adapter); mGallery.setOnItemClickListener(this);
} }
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Feb 11, 2010
In my application I want to display my own ads for that I want to display my ads in image and it should be animated. So how to display animated images
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Aug 5, 2010
How would I use Image Gallery to display images I have saved in a particular location on the SD card?
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Aug 17, 2010
I am implemented to kids application I am implemented spinner in added array category list these are array text list now I am implement these text array list replace in drawable images in spinner how can implemented:
personalinformation = (Spinner) findViewById(R.id.SpinnerCategory);
ArrayAdapter<?> adapterDefaultpersonal = ArrayAdapter.createFromResource(Animals.this,R.array.Animalinformation,
android.R.layout.simple_spinner_item);
adapterDefaultpersonal.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
personalinformation.setAdapter(adapterDefaultpersonal);
personalinformation.setSelection( getSharedPreferences("", 0).getInt("SpinnerSelection", 0));
personalinformation.setOnItemSelectedListener(new OnItemSelectedListener()
{ public void onItemSelected(AdapterView<?> parent,View v,int position,long id) {
if(position==0) { } } );
This is the spinner code I am using array of text list these text replaced to drawable items in to spinner how can implemented some solution I am new in android.
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May 21, 2009
I would be retrieving values from SQLite database and have to display it in a list view. So how should I pass the images out from the database into the list view (in fact, I only save the image uri in db). I am able to save and retrieve images individually and display it on the screen. But how do I pass a bitmap and display it in a list view.
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Nov 22, 2009
In Listview i can change the divider image using "android:divider=image" but i want to display different divider images for different items how can i do that ?
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Nov 24, 2009
How to use Html.ImageGetter to display images using HTML image src tag ? and example or good tutorial
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May 15, 2009
Surrently I am developing a quiz application. the quiz pattern is one question and four answers. for answer cell i am using text area. and its working fine , but now i want to show some images in Answer cell. how i can do this ? can use different view ? which view able to show text as well as image at same time.
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Aug 4, 2010
I want to display the number of images according to one number.That means if number is 1 i want to display only one imageview in grid,if number is 3 i want to display the 3 images in grid .But i take only one image that means depending on the number that image will be displayed.
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Jan 20, 2009
Does someone know how to display images in an activity's context menu? I've tried setIcon(resId) and it doesn't work (although it does work in the Options Menu).
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Sep 2, 2010
I have rectangles and images and i want to show that images on that positions that rectangle holds in it...it is all dynamic. and i am using bitmap class to display but now i have to set positions according to that rectangle...
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Oct 29, 2010
I am working on an Android application that displays a list of items when a tab is selected, then displays detail information about an item that was selected from the list :
CODE:............
The details are to be displayed using ImageViews, ImageButtons, and TextViews. The data comes from a database query, so the TextView text and ImageView drawables have to be assigned dynamically.
The correct text from the database query gets assigned to each of the Views. I can see everything being added when I step through the code in the onCreate method of Activity3 in the debugger.
BUT, the drawables are only displayed when I select the first item in the ListActivity. If I select another item, all TextViews display the correct information but the drawables are not displayed for the ImageViews or ImageButtons. It looks like only the backgrounds are being displayed.
The ImageButton drawables are not being dynamically assigned, only the ImageView drawables are. The ImageButton drawables are set in the TableLayout XML that is associated with the activity. Here is one entry :
CODE:..............
Originally, I had android_drawable="@drawable/ic_phone", then tried adding android:background="@drawable/ic_phone", and finally created the following selector (phoneselector.xml) :
If I select the first item again, its proper ImageView drawables are displayed along with the proper text in the TextViews. The ImageView drawables that belong to the other items have no problems being displayed in Activity2's ListView.
The code successfully sets an onClickListener for the button (also in Activity3.onCreate). If I click on what is displayed on the spot where the drawable should be, the phone number is dialed.
The code successfully sets an onClickListener for the button (also in DetailActivity.onCreate).
Has anyone seen anything like this before? I would appreciate any help figuring out what is wrong.
Here are more details because I wonder if the problem has to do with the use of the Views :
The Activity1 extends TabActivity and sets a TabHost view that contains a FrameLayout along with the TabWidget. Activity1 creates the tabs dynamically.
Activity2 extends ListActivity and sets the content to its ListView (via setContentView(getListView()).
When ListActivity.onListItemClick is invoked (item in list is selected), a new Intent is created that contains an identifier in a Bundle and Activity3 is started.
The started activity (in Activity3.onCreate...) sets the content to a TableLayout view defined in a .xml file (via setContentView(R.layout.details.xml).
Here is the code from Activity3.onCreate :
CODE:.................
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Aug 20, 2010
I would like to know how to get a pre-saved image from the gallery and then display it onto the screen. Any tutorials/helpful links and info would be appreciated. If there is anything you would like me to explain more, please ask.
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Oct 6, 2010
I need an android application that needs to receive images from a server through GPRS(by http connection) and display it. am having the url of the server
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Jun 15, 2010
I am using following code to display bitmap on screen and having next and previous buttons to change images. and getting out of memory error. New Code
HttpGet httpRequest = null; Code...
So after googling i got new code as answer the old code was not giving me out of memory error on those images but decoder->decode return false, so i choosed new code.
Any one guide me what is the solution and which is the best approach to display live images?
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