Android :: How To Preview All Drawable Images?

Dec 15, 2009

Android framework has variety of icons and images - accessible as R.drawable.* - that can be used by applications for common tasks. Their names give some hint about what they are, but in many cases that's not sufficient. One has to use trial-n-error to find the right icon that fits one's purpose.

My question: Is there a way where I can preview all these images in one place, so that I can quickly decide which ones to use? I have looked inside android source code, but couldn't locate the root of these drawables.

Android :: How to preview All Drawable Images?


Android :: Set Drawable Without Using Lot Of Images?

Oct 3, 2010

When i have an ImageButton and a drawable and i want to do something like the Drawer or Twitter where when i press the button and the corner of the image is highlighted over the edge, in drawer its yellow, in twitter its white. Like the one below.How do i set my drawable without using a lot of images?

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Android :: Loading Images As Drawable Objects From URL

Jul 30, 2010

I am presently using the following piece of code to load in images as drawable objects form a URL.
Drawable drawable_from_url(String url, String src_name) throws java.net.MalformedURLException, java.io.IOException { return Drawable.createFromStream(((java.io.InputStream)new java.net.URL(url).getContent()), src_name); }

This code works exactly as wanted, but there appears to be compatibility problems with it. In version 1.5, it throws a FileNotFoundException when I give it a URL. In 2.2, given the exact same URL, it works fine. The following URL is an sample input I am giving this function.
http://bks6.books.google.com/books?id=aH7BPTrwNXUC&printsec=frontcover&img=1&zoom=5&edge=curl&sig=ACfU3U2aQRnAX2o2ny2xFC1GmVn22almpg
How would I load in images in a way that is compatible across the board from a URL?

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Android :: Setting Button Images In Drawable XML

Mar 25, 2010

I am getting an error from Eclipse when I use this xml file (res / drawable/btnswitch.xml) to designate different button conditions

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_pressed="true" android:drawable="@drawable/btn_st_rd" />
<!-- pressed --> <item android:state_focused="true"
android:drawable="@drawable/btn_st_gr" /> <!-- focused --> <item android:drawable="@drawable/btn_st_gr" /> <!-- default --> </selector>

I call it in my layout file with this code:

<Button android:id="@+id/startTimer_btn" android:src="@drawable/btnswitch"" android:layout_width="wrap_content" android:layout_height="fill_parent" />
Eclipse says it can't run the configuration because I have errors but does not show any errors. And when I remove the xml code (to go back to my original code which just sets a background image for the Button) it says that now has errors. I have to restart Eclipse to get the original code to run again.

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Android :: Overlay Images Onto Camera Preview Surface View

Aug 23, 2010

I have a SurfaceView that is being used to draw custom animations and I would like to overlay them onto a live-feed from the phone's camera. Currently, the SurfaceView that contains the animations has a white- background, but if I were to overlay them onto the phone's camera feed, they would have to be transparent. The camera and animation drawing cannot be done on the same SurfaceView. Is it possible to make a SurfaceView transparent? What is the best course to pursue the use of multiple views? My end goal is to essentially overlay the contents of another SurfaceView onto the Camera SurfaceView.

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Android :: Drawable - Folder For Storing Images In Project

Jul 16, 2010

I was working on Android 1.5, but now moved to the latest version. So there is only "drawable" folder in Android 1.5, but now There are 3 different folder for storing images in android project. And as i have found some articles for these 3 folders that

hdpi means High-dpi
mdpi means medium-dpi
ldpi means low-dpi

But still in confusion that what is the exact purpose of these 3 folders and when to use particular folder to store images in that?

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Android :: Images From Drawable Folder Loading Scaled

Oct 18, 2010

I recently rebuilt my project to target 2.2 from 2.1. In the old project, I did not specify a target SDK (the manifest did not contain something like:
<uses-sdk android:minSdkVersion="8" />).
This gave me an error in the console when running, but everything worked fine so I didn't fool with it.

The new project now uses <uses-sdk android:minSdkVersion="8" /> in the manifest. But now my drawables from the /drawable-nodpi/ folder are loading with scaling, making them much smaller and significantly changing the desired visuals. If I cut out the <uses-sdk android:minSdkVersion="8" /> tag from my manifest, they load properly without scaling.

Even when loading my images like so:
BitmapFactory.Options opts = new BitmapFactory.Options();
opts.inScaled = false; Bitmap bm = BitmapFactory.decodeResource(_resources, resId, opts);
They are still scaled when I declare the minimum SDK in the manifest, but not scaled if I remove that tag. How can I load them without scaling while still declaring the minimum SDK?

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Android :: How To Pass Drawable As Parameter So Images Get Parsed?

Jul 22, 2010

I try to save a unique image to each object but I get this error, how should the constructor look for it to work that way? The constructor Beer(String, int, int) is undefined

m_beer = new ArrayList<Beer>();
final Beer b1 = new Beer("Tuborg", 7, R.drawable.tuborg);
final Beer b2 = new Beer("Carlsberg", 7, R.drawable.carlsberg);
final Beer b3 = new Beer("Urquel", 9, R.drawable.urquel);
public class Beer { //Members private String name;
private int color; //1 = Very dark 10 = Very light private R.drawable icon;
//Methods public Beer(String name, int color, R.drawable icon) {
this.name = name; this.color = color; this.icon = icon;
} public String getName() { return name;
} public void setName(String name) { this.name = name;
} public int getColor() { return this.color;
} public void setColor(int color) { this.color = color;
} public R.drawable getIcon() { return icon;
} }

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Android :: Building Drawable Images To Use On Surface Canvas

Sep 28, 2010

I have some images (.png format) that I use as drawables on the surface of canvas in my android app. The problem I have is mspaint only allows a rectangular image file, so whatever I draw on the screen always shows up in a box. Is there a (free) program or way I can edit the png files so that when they are drawn on the surface of my canvas, they are drawn to shape?

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Android :: Surface View Draw Images Overlay On Camera Preview

Aug 23, 2010

I have a SurfaceView that is being used to draw images, and I would like to overlay them onto a live-feed from the phone's camera. Currently, the SurfaceView that contains the images have a white-background, but if I were to overlay them onto the phone's camera feed, they would have to be transparent. The camera and animation drawing cannot be done on the same SurfaceView. What is the best course to pursue the use of multiple views that involve managing the camera and drawing images? Is it possible to make a SurfaceView transparent?

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Android :: Drawable Images - Cropping Edges To Make Rounded

Feb 16, 2010

I have a small project in which I download images from Internet in the form of drawable and use them in Imageview for which I have provided functionality similar to an Imagebutton but without the gray edges. The question is that is there any functionality in Android (similar to IPhone) by which we can crop the drawable from edges to make them rounded edged drawable. Even if its a "not-tested-neither-recommended" method, do let me know. I would like to work on this a bit.

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Android :: Drawable Resource Images - JPEG Files Supported

May 28, 2010

Can I have sub-folders to hold my drawable resources. For example can I store an image in, say, 'res/drawable/content/images/myimage.jpg' and then find that resource via a call to:
id = context.getResources().getIdentifier("com.mycompany.myprog:drawable/ content/images/myimage", null, null);
I have tried this and it doesn't seem to be working (but I may have something wrong). Is it supposed to work or do all the resources need to be in the root drawable folder? Also, are jpeg files supported and drawable resources?

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Android :: Images In Droid.R.drawable Considered Safe For Third-party Developers To Use?

May 19, 2009

Are the images in android.R.drawable considered safe for third-party developers to use?

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Android :: Change Tutorial To Access Images From Sd Card / Make Subfolders Within R.drawable?

Aug 9, 2010

How would I edit this tutorial so that it will grab images from the SD card? code...

Alternatively is it possible to make subfolders within R.drawable?

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How To Move Set Of Images In Resources / Drawable - HDPI To Assets Folder

Dec 13, 2013

I am trying to move a set of images currently in the resources/drawable-hdpi folder to the Assets folder.

These images are copied to the private application directory when the app is installed.

When I do this the resulting image is smaller than when I had the image in the resources folder. i.e. the baked beans image is smaller than the others. If I load the baked beans images from the drawables folder it is the same size as the other product images.

I have tried to scale the image but it has no effect.

public View getView(int position, View convertView, ViewGroup parent)
{
ImageView imView = (ImageView)rowView.findViewById(R.id.product_thumb nail);
ImageView imProduct = (ImageView)rowView.findViewById(R.id.product_icon) ;
tvName.setText((CharSequence) values.get(position).getName());

[Code]...

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Android :: High Density Emulator Use Drawable Mdpi Folder Instead Of Drawable Hdpi

Oct 19, 2010

I am running my application in the emulator using a high density skin (like WVGA800). However the ressources in my application are loaded from the drawable- mdpi folder instead of drawable-hdpi ... what else should I do so that android use the correct folder ?

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Android :: Load Images In OpenGL Without Having Thin Outline Appear Around Images?

Nov 2, 2009

I'm basically using the same method of loading bitmaps in OpenGL that the SpriteMethodTest example uses and have been unable to get rid of an annoying outline that appears around all of my images.

For example, If I were to load an image of a white circle on a white background, I would expect to see nothing. Instead, I would see my circle because its edge would be gray. In SpriteMethodTest, I replaced the background image with white and was able to see that the edges of the android images flying around also don't seem to be rendered correctly.

Does anyone know how to load images in OpenGL without having a thin outline appear around the images?

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Android :: Adding Some Nine Patch Images Breaks All Of My Other Images

Apr 6, 2010

I'm working to convert some background images to nine patch so they scale better on different phones.
The problem is that if I have the following resource structure: drawable-hdpi/background.png drawable-hdpi/button.png drawable-mdpi/background.png drawable-mdpi/button.png drawable-ldpi/background.png drawable-ldpi/button.png and then I drop a new drawable-hdpi/background.9.png file into the mix, it breaks button.png during the pre-compile. The error is "No resource found that matches the given name (at 'background' with value '@drawable/button').Simply removing that one nine patch file fixes the build. Should I be able to have some nine patch images and some normal ones, or to have nine patch only in hdpi but not mdpi or ldpi? This is Eclipse 3.5.1 with the latest ADT.

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Motorola Droid X :: Does Google Images Let You Select Images?

Jul 18, 2010

Just curious how many have this issue.If you are unsure select the link below and find out pls.

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Android :: Tutorials On How To Create Jpeg Images Or Convert Images Into Jpeg?

Jun 23, 2010

1.myJpegFile = new File("images/jpegImage.jpg");
2.output = new BufferedOutputStream(new FileOutputStream(myJpegFile));
3.encoder = JPEGCodec.createJPEGEncoder(output);
4.encoder.encode(myJpegImage); Please could you give me the equivalent code for line no. 3 and 4 in Android?

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Android :: Take Picture Without Preview

Jan 27, 2010

I would like to build an app that does not require to show preview, I only need bitmap data to analyse. For instance when I move my phone around it will take picture in background and only display user the taken picture properties (brightness, RGB ratio in the image etc). I have searched through google but all the example uses surface view that does require display preview on screen, But dont want to display image at all.

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Android :: Cam Picture Bigger Then Preview

Jul 16, 2010

I am hoping that there is something predictable i'm doing wrong, but i seem to have more "info" on picture then on the preview.I have an app basically based on the CameraPreview code. (1.5!) When I take a picture, the resulting image has more content then i saw on the preview. To clarify: Say i'm looking at something with lines, and while looking at the preview i see line 4 to 10. After taking the picture it suddenly is clear i've shot lines 5 to 11. I'm trying to sync something I draw ontop of the view (a line-drawing) with what i'm photographing, and I can't get it to match like this. The newest example has some extra code involving "getSupportedPreviewSizes". I can't use this because of the API version: I'm coding for min. 3, and that one is from 5.

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Android :: Take Picture Without Preview Screen?

Nov 20, 2010

Does any app allow me to take pictures with the EVO by using hardware buttons as shutter while keeping the screen turned off?

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Android :: 1.5 Video API Not Working / No Preview

Jun 22, 2009

I have tried 1.5 video API. I could not make it work. It even can't do preview. Following is my code:
private boolean initializeVideo() { Log.v(TAG, "initializeVideo");
if(Common.mRecordedVideo!=null && Common.mRecordedVideo.exists ()) Common.mRecordedVideo.delete();
File sDir = Environment.getExternalStorageDirectory();
String baseDir = sDir + Common.BASE_DIR;
File sampleDir=new File(baseDir);
if(!sampleDir.canWrite()) // Workaround for broken sdcard support on the device.
sampleDir = new File("/sdcard/sdcard");
try { Common.mRecordedVideo = File.createTempFile(PREFIX, EXTENSION, sampleDir);
} catch(IOException e) { AlertDialog.Builder ab = new AlertDialog.Builder (VideoRecord.this);
ab.setTitle("Error"); ab.setMessage(" can't write audio data to storage");
ab.setIcon(R.drawable.error); ab.setNeutralButton("Close", new DialogInterface.OnClickListener()
{ public void onClick(DialogInterface dialog, int whichButton) { } } );
ab.show(); return false;
} Intent intent = getIntent(); releaseMediaRecorder();
if (mSurfaceHolder == null) { Log.v(TAG, "SurfaceHolder is null");
return false; } mMediaRecorder = new MediaRecorder();
mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
mMediaRecorder.setVideoSource (MediaRecorder.VideoSource.CAMERA);
mMediaRecorder.setOutputFormat (MediaRecorder.OutputFormat.THREE_GPP);
mMediaRecorder.setMaxDuration(MAX_RECORDING_DURATION_MS);
mMediaRecorder.setOutputFile (Common.mRecordedVideo.getAbsolutePath());
// Use the same frame rate for both, since internally
// if the frame rate is too large, it can cause camera to become
// unstable. We need to fix the MediaRecorder to disable the support
// of setting frame rate for now.
mMediaRecorder.setVideoFrameRate(20);
mMediaRecorder.setVideoSize(352,288);
mMediaRecorder.setVideoEncoder (MediaRecorder.VideoEncoder.H263);
mMediaRecorder.setPreviewDisplay(mSurfaceHolder.getSurface());
try { mMediaRecorder.prepare();
} catch (IOException exception) { Log.e(TAG, "prepare failed for " );
releaseMediaRecorder(); // TODO: add more exception handling logic here
return false; } mMediaRecorderRecording = false;
return true; } private void startVideoRecording() {
Log.v(TAG, "startVideoRecording"); if (!mMediaRecorderRecording) {
// Check mMediaRecorder to see whether it is initialized or not.
if (mMediaRecorder == null && initializeVideo() == false ) {
Log.e(TAG, "Initialize video (MediaRecorder) failed."); return;
} try { mMediaRecorder.setOnErrorListener(this);
mMediaRecorder.setOnInfoListener(this);
mMediaRecorder.start();
// Recording is now started } catch (RuntimeException e) {
Log.e(TAG, "Could not start media recorder. ", e); return;
} mMediaRecorderRecording = true;
mRecordingStartTime = SystemClock.uptimeMillis();
updateRecordingIndicator(true);
mRecordingTimeView.setText("");
mRecordingTimeView.setVisibility(View.VISIBLE);
mHandler.sendEmptyMessage(UPDATE_RECORD_TIME);
setScreenTimeoutInfinite();
} }

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Android :: Camera Preview Not Working On G2

Oct 20, 2010

I'm trying to get the camera preview running on my G2.

This is the code I'm testing with, which was taken from the sample code. It is using supplemental code supplied by Wu-Cheng, but its still throwing an error.

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

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Android :: What Happened To App Preview Button?

Aug 25, 2010

I posted this elsewhere but didn't get an answer. Market Apps used to have a Preview button so you could peek at the app before installing, but I don't see that after upgrading to 2.2. Did I miss something?

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Android :: Wall Paint Preview App

Mar 29, 2010

Is there an app out there that lets you take a picture of your room with the camera,then preview different wall colors?

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Android :: 2.1 Camera Preview Error

Aug 28, 2010

I have a problem with using the camera of an Android 2.1 phone (HTC Desire), maybe you can help me.
After calling camera.open() DDMS in Eclipse shows the following errors:

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

Test view in the emulator works fine, but on my phone only a popup is shown where I only can close the application.

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Android :: Cannot Get Camera Preview Example To Work

Oct 28, 2009

I upgraded to the 2.0 SDK yesterday. Don't know if that has anything to do with it. I can't get the Camera Preview example from the API Demos to work. I get the same error in both my emulator and on my G1:
E/AndroidRuntime( 4758): java.lang.RuntimeException: Fail to connect to camera service.

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Android :: Itunes Coverflow Preview?

Apr 7, 2009

Im writing an app for android and would like to have an itunes like coverflow preview. Is there anything in the api that I can use or do I have to build it from scratch?

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