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  • Rotated image in ImageView

    - by Lars D
    I want to show an arrow that indicates the direction towards a goal, using the orientation sensor and current GPS position. Everything works well, except that I want to rotate the arrow image in my ImageView. The current code, which shows the arrow pointing upwards, is this: ImageViewArrow.setImageResource(R.drawable.arrow); What is the best solution for showing the arrow, rotated by N degrees?

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  • How i can block calling onCreate while rotating device when My AsyncTask start?

    - by Labeeb P
    Hi, Me testing in Samsung Galaxy tab. In that i have made two layout folder for both ORIENTATION_LANDSCAPE and ORIENTATION_PORTRAIT with specific layout xml in it. In that layout i have a button and on clicking it start a progress dialog (doing some stuff using AsyncTask, after that going to new intent) But when the device is rotated when the progress dialog is working, that dialog and AsyncTask stop and new layout is loaded. If i understood correctly, I think the onCreate is called when device is rotated How i can block calling onCreate while rotating device when My AsyncTask start? Thank you

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  • change background of an ImageView (the old image stays there!)

    - by nourdine
    how can I change the background of an ImageView from java? I have an ImageView and at a certain point I need to change the image that it displays (set in the styles). I tried to do it like this: placeHolder.setImageDrawable(myDrawb); but it looks like the old image remains there and it is partially covered but the new one (which in my case has different shape). hope you guys can help! cheers

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  • Looping Gridview when the button is click

    - by Nyan
    Hi all, I have create a girdview in dialog and in the girdview I added a check boxes, so that, the user can check/uncheck the gridview. And there is a button which send back the information about the check values to the server. My problem is I don't know how to loop the gridview. Is there a way to loop the girdview. Or is there other way to achieve? Thanks in advance for any help Nyan

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  • Call AsyncTask methods from another class/service (callbacks?)

    - by TiGer
    Hi, I was wondering if it's possible to call specific methods defined within the AsynTask class from another class and/or service ? In my specific case I have a Service playing some sounds, but the sound is selected from a List with available sounds... When a sounds is selected it is downloaded from my home server, this takes some time (not much, let's say around the 3-4 seconds, the sounds/effects aren't big in size)... So my problem at the moment is that I have a service to play those sounds, and when I select one I wanted to show a progressdialog... The way (if I understood correctly) is to use an AsyncTask, but the only thing the AsyncTask will do is telling my Service to play a specific sound from my server... So there is no "callback" from the service to the Asynctask... How can I achieve that ? How can I call a running AsyncTask, which sits in another class, and tell him all work is done and thus he can stop showing the ProgressDialog ? Or am I over-engineering it and there are other ways ? Thanks in advance...

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  • Game design flaw, need help investigating

    - by Snake
    I am not sure if I will be able to get help here but I would give it a shot. The problem is I dont know where the problem is. I have a cards game, in which when you "human" play by dragging a card, then at the end of card being dragged, a handler using postExecute is called with delay of 0.5 sec to start the next player in turn (which is a bot) The bot chooses the color and plays it and at the end of the animation (the card moving to the middle) a handler is started for the next bot and so on. Once the play reaches again to the human player, it waits for his touchs to drag the crad and start the cycle again. The problem that in production, sometimes I am getting errors. The error is resulting in somehow messing up the sequence which ends up with players having more cards than others. After investigation, I found that the transition from human to bot is the problem. Somehow, the transition is happening twice (meaning handler calling post execute twice and the bot is playing twice and everything is messed up). Its been mutliple months and I can't reproduce it (to fix it) and I cna't figure out why this is happeneing? ANY IDEA how I can go after it? How can I get more info about or how can I solve something like that? any pointer would help me

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  • Scaling textSize in a TextView

    - by fiXedd
    Say I have a TextView of a particular size (doesn't really matter what... fill_parent, 20dip, whatever). Is it possible to tell the text to shrink/grow in size to fit the available space without doing a lot of math?

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  • How do you access country/state/province polygons in google maps api?

    - by wmh1108
    I have fairly large map overlay that I am displaying over the google maps data but would still like to see the country/state/province lines through my overlay (so the lines would essentially be on top of my overlay). As I understand, these lines are simply polygons drawn over the maps. Is there any way to access these? If so, how do I get them to show up through my overlay images?

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  • Why are button sizes on Eclipse vs Device not the same.

    - by Mike Droid
    O.k....this is weird. I had my buttons looking fine last week, now something has changed. My buttons on the eclipse emulator are much larger than on my device (Droid 2.1). I checked my skin settings, screen size permissions, density factors....what am I missing? My skin is set to WVGA854, but when the app goes to the phone the buttons are smaller!? Text and pictures are fine...looking the same as the emulator...just the buttons are shrunk! Hmm....I know it has to be something simple...:)

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  • Associate activity with database ID

    - by Mohit Deshpande
    I have a main ListView that is based on an adapter from my database. Each database id is "assigned" to an Activity via the ListView. And in my AndroidManifest, each activity has an intent filter with a custom action. Now with this, I have had to create this class: public final class ActivityLauncher { private ActivityLauncher() { } public static void launch(Context c, int id) { switch(id) { case 1: Intent intent = new Intent(); intent.setAction(SomeActivity.ACTION_SOMEACTIVITY); c.startActivity(intent); break; case 2: ... break; ... } } private static void st(Context context, String action) { Intent intent = new Intent(); intent.setAction(action); context.startActivity(intent); } } So I have to manually create a new case for the switch statement. This would get troublesome if I have to rearrange or delete an id. Is there any way to get around this?

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  • How to check if there is an image present in the image view?

    - by Warrior
    I am new to iphone development. I want to check for a condition whether the image is present in the image view? I have created a image view such as UIImageView *subview = [[UIImageView alloc] initWithFrame:CGRectMake(10.0f, 6.0f,50.0f, 50.0f)]; How to check whether the image is present in the image view?Please help me out.Thanks.

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  • BitmapFactory.decodeFile out of memory with images 2400x2400

    - by alasarr
    I need to send an image from a file to a server. The server request the image in a resolution of 2400x2400. What I'm trying to do is: 1) Get a Bitmap using BitmapFactory.decodeFile using the correct inSampleSize. 2) Compress the image in JPEG with a quality of 40% 3) Encode the image in base64 4) Sent to the server I cannot achieve the first step, it throws an out of memory exception. I'm sure the inSampleSize is correct but I suppose even with inSampleSize the Bitmap is huge (around 30 MB in DDMS). Any ideas how can do it? Can I do these steps without created a bitmap object? I mean doing it on filesystem instead of RAM memory. This is the current code: // The following function calculate the correct inSampleSize Bitmap image = Util.decodeSampledBitmapFromFile(imagePath, width,height); // compressing the image ByteArrayOutputStream baos = new ByteArrayOutputStream(); image.compress(Bitmap.CompressFormat.JPEG, 40, baos); // encode image String encodedImage = Base64.encodeToString(baos.toByteArray(),Base64.DEFAULT));

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  • Key Events in TabActivities?

    - by stormin986
    I have a TabActivity and want to catch and handle presses of HOME and BACK. Where do I need to catch these events? In my subclass of TabActivity I implement the following: @Override public boolean onKeyDown(int keyCode, KeyEvent event) { switch (keyCode) { // Code handling } return super.onKeyDown(keyCode, event); } Didn't work. So I placed a breakpoint on the switch statement line. But this function never gets called, whether I press volume up/down, menu, home, or back. Where do I need to catch these KeyEvents?

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  • wait t time before launch an action ?

    - by Nanis
    Hi, I actually had a multiautocompletetextview, where i call host after 3 characters to have a dynamic search list. But if the user put others characters, my code call host for each of them. So it must be very long. Could I wait a moment (about 500 ms) before launching the action , in order to look if user do an action or not ? that's possible ?

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  • progress dialog in main activity's onCreate not shown

    - by Mando
    After the splash screen, it takes about 6 sec to load onCreate contents in the Main activity. So I want to show a progress dialog while loading and here's what I did: import ... private ProgressDialog mainProgress; public void onCreate(Bundle davedInstanceState){ super.onCreate(savedInstanceState); setContentView(R.layout.main); mProgress = new ProgressDialog (Main.this); mProgress.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL); mProgress.setMessage("Loading... please wait"); mProgress.setIndeterminate(false); mProgress.setMax(100); mProgress.setProgress(0); mProgress.show(); ---some code--- mProgress.setProgress(50); ---some code--- mProgress.setProgress(100); mProgress.dismiss(); } and it doesn't work... the screen stays black for 5-6 sec and then load the main layout. I dont know which part I did wrong :*(

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  • Zend Framework-does every webpage have it's own controller and indexAction and view?

    - by Joel
    I'm wanting to be sure that I am setting things up correctly. On a typical website with 10 pages, would each page have it's own controller with it's own IndexAction and it's own View folder with it's own index.phtml as a view? Or do you have one controller with multiple Page1Action, Page2Action, etc and have multiple differently named view.phtml pages within view/index folder? I'm leaning toward the former because then I can have a cleaner controller for each page... Is there a standard, or is it subjective?

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  • DroidGap: how get webpage?

    - by Max Usanin
    My source: public class MainActivity extends DroidGap { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); super.loadUrl("file:///android_asset/www/index.html"); } @Override public boolean dispatchTouchEvent(MotionEvent e) { super.dispatchTouchEvent(e); // Now what page ?? return true; } How to get the current web page?

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  • Looking for an approach to program a mobile website for any device. Are there any?

    - by ChrisBenyamin
    My wish is to know how I can program a mobile website, that fit to all mobile phones. Are there any special approaches to recognize a device and render the code according to it? Which tools and coding languages are required? My first thought was to hold the website in XML, which would be parsed depending on the device. You have to consider old phones, even devices with only wap support. For example: The mobile website has to recognize Nokia N75 and render/send the code that looks optimal for this device. Same thing with an iPhone or a Motorola Razr.

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