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  • android webView loading finished but it was a blank only I touch the screen can the content show Idont know why?and how it happened

    - by Sunday
    when my webView load this page , it was blank-page or white page only I touch the screen the content can only show private WebView webview; private ProgressDialog mProgressDialog; private Context mContext; public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_web); mContext = this; webview = (WebView)findViewById(R.id.myWebView); String url = (String)getIntent().getExtras().get("url"); webview.getSettings().setJavaScriptEnabled(true); webview.setWebViewClient(new MyWebViewClient()); if(url!=null){ webview.loadUrl(url); } } class MyWebViewClient extends WebViewClient { @Override public void onPageStarted(WebView view, String url, Bitmap favicon) { super.onPageStarted(view, url, favicon); mProgressDialog = ProgressDialog.show(mContext, "tips", "wate···the view is loading", true, false); } @Override public void onPageFinished(WebView view, String url) { mProgressDialog.dismiss(); super.onPageFinished(view, url); } }

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  • start intent without onCreate {}

    - by melvintcs
    i create a class extend Gallery and there is no onCreate, and i having a problem to run my intent. this is my sample code: this.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View v, int position, long id) { Intent intent = new Intent(v.getContext(), ClassName.class); startActivity(intent); }} i also tried below code to run, failed me also: Intent intent = new Intent(ThisClassName.this, ClassName.class); startActivity(intent); Please advice me what should i do :)

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  • How to check if Contact has Image?

    - by Pentium10
    I am assigning to an ImageView contacts images using this code: mPhotoView = (ImageView) findViewById(R.id.photo); mPhotoView.setImageURI(objItem.getPhotoUri()); If the contact has no image, this does nothing, and no error is raised. When there is no image, I want to add a default image. So I need to check either if the image was added to the view, or check that the URI holds some image data How do I achieve that? Than I will set default image by this: mPhotoView.setImageResource(R.drawable.ic_contact_picture_2);

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  • Start all tab's activities for pre-cache

    - by Pentium10
    I have a TabActivity with three tabs defined. The first tab is light-weight and renders in acceptable time. But the 2nd and 3rd tab, does need a couple of seconds to get visually rendered, after I click them. I would like to launch them, after I've loaded my first tab, in background for pre-cache. Once they are loaded, I can switch quickly between them. So I am wondering how can I launch the 2nd and 3rd tab. They are intents loaded in the view area.

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  • What options I have to show a sentence parts with different color?

    - by Pentium10
    I have a longer sentence 200 characters. I need to show on the screen having parts of them in different color, like highlighting search results, each with different color. The text should auto wrap with screen width, and have no break sections between parts. I meant with this that I can put sections on a new line. They will have to continue the previous section, only wrap when the screen is off. The best would be an EditText, as I need to allow editing also, but I am wondering I am able to change the color of various sentence parts, or just as a whole. What do you think, with what UI elements can I achieve this view?

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  • dynamic layout change during runtime

    - by Nils
    Hello, for an application I need to place some objects at the exact position that I want to have them and therefore I need to use AbsoluteLayout this time. I want to add buttons dynamically exactly like in the following XML - but during runtime. <AbsoluteLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent"> <Button android:id="@+id/backbutton" android:text="TEST123" android:layout_x="120px" android:layout_y="120px" android:layout_width="100px" android:layout_height="100px" /> </AbsoluteLayout> How can I archive this? I tried it with the following code to add a button, but I haven't found a function so far to set layout_x and layout_y. How can I do this? Thanks. AbsoluteLayout al = new AbsoluteLayout(this); Button t = new Button(this); t.setHeight(300); t.setWidth(300); t.setText("TEST123"); // x y ??? setContentView(al);

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  • DDMS won't load (or doesn't parse?) KML file

    - by nderraugh
    I can't get DDMS to load any KML files. I have a KML file for example with the following in it: <?xml version="1.0" encoding="UTF-8"?> <kml xmlns="http://www.opengis.net/kml/2.2"> <Placemark> <name>Simple placemark</name> <description>Attached to the ground. Intelligently places itself at the height of the underlying terrain.</description> <Point> <coordinates>-122.0822035425683,37.42228990140251,0</coordinates> </Point> </Placemark> </kml> The docs at http://developer.android.com/guide/developing/tools/ddms.html seem to indicate that I only need to launch my app and fire up DDMS and load the KML. That doesn't work. I even tried the Google Earth solution suggested at the same link. I'm using SDK 1.5_r2. I am doing something wrong or missing something?

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  • How to persist options selected in AlertDialog spawned from ItemizedOverlay onTap method

    - by ahsteele
    In the description of how to add a list of options to an AlertDialog the official Android documentation alludes to saving a users preferences with one of the "data storage techniques." The examples assume the AlertDialog has been spawned within an Activity class. In my case I've created a class that extends ItemizedOverlay. This class overrides the onTap method and uses an AlertDialog to prompt the user to make a multi-choice selection. I would like to capture and persist the selections for each OverlayItem they tap on. The below code is the onTap method I've written. It functions as written but doesn't yet do what I'd hope. I'd like to capture and persist each selection made by the user to be used later. How do I do that? Is using an AlertDialog in this manner a good idea? Are there better options? protected boolean onTap(int index) { OverlayItem item = _overlays.get(index); final CharSequence[] items = { "WiFi", "BlueTooth" }; final boolean[] checked = { false, false }; AlertDialog.Builder builder = new AlertDialog.Builder(_context); builder.setTitle(item.getTitle()); builder.setMultiChoiceItems(items, checked, new DialogInterface.OnMultiChoiceClickListener() { @Override public void onClick(DialogInterface dialog, int item, boolean isChecked) { // for now just show that the user touched an option Toast.makeText(_context, items[item], Toast.LENGTH_SHORT).show(); } }); builder.setPositiveButton("Okay", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int id) { // should I be examining what was checked here? dialog.dismiss(); } }); builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int id) { dialog.cancel(); } }); AlertDialog alert = builder.create(); alert.show(); return true; }

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  • OSMDroid simple example required

    - by Bex
    Hi! I am trying to create an app that uses offline maps and custom tiles. For this I have decided to use OSMDroid and have included the jar within my project. I will create my custom tiles using MOBAC. I have been directed to these examples: http://code.google.com/p/osmdroid/source/browse/#svn%2Ftrunk%2FOpenStreetMapViewer%2Fsrc%2Forg%2Fosmdroid%2Fsamples but I am struggling to follow them as I am new to both java and android. I have created a class file called test (which I have created following an example!): public class test extends Activity { /** Called when the activity is first created. */ protected static final String PROVIDER_NAME = LocationManager.GPS_PROVIDER; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); MapView map = (MapView) findViewById(R.id.map); map.setTileSource(TileSourceFactory.MAPQUESTOSM); map.setBuiltInZoomControls(true); map.setMultiTouchControls(true); map.getController().setZoom(16); map.getController().setCenter(new GeoPoint(30266000, -97739000)); } } with a layout file: <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent"> <org.osmdroid.views.MapView android:id="@+id/map" android:layout_width="fill_parent" android:layout_height="fill_parent" tilesource="MapquestOSM" android:layout_weight="1" /> </LinearLayout> When I run this I see no map, just an empty grid. I think this is due to my tilesource but I'm not sure what I need to change it to. Can anyone help? Bex

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  • Save options selected in AlertDialog spawned from ItemizedOverlay onTap method

    - by ahsteele
    In the description of how to add a list of options to an AlertDialog the official Android documentation alludes to saving a users preferences with one of the "data storage techniques." The examples assume the AlertDialog has been spawned within an Activity class. In my case I've created a class that extends ItemizedOverlay. This class overrides the onTap method and uses an AlertDialog to prompt the user to make a multi-choice selection. I would like to capture and persist the selections for each OverlayItem they tap on. That said I am unsure if utilizing an AlertDialog in this manner is the right approach and open to other suggestions. protected boolean onTap(int index) { OverlayItem item = _overlays.get(index); final CharSequence[] items = { "WiFi", "BlueTooth" }; final boolean[] checked = { false, false }; AlertDialog.Builder builder = new AlertDialog.Builder(_context); builder.setTitle(item.getTitle()); builder.setMultiChoiceItems(items, checked, new DialogInterface.OnMultiChoiceClickListener() { @Override public void onClick(DialogInterface dialog, int item, boolean isChecked) { // for now just show that the user touched an option Toast.makeText(_context, items[item], Toast.LENGTH_SHORT).show(); } }); builder.setPositiveButton("Okay", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int id) { // should I be examining what was checked here? dialog.dismiss(); } }); builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int id) { dialog.cancel(); } }); AlertDialog alert = builder.create(); alert.show(); return true; }

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  • Focus on background Music when in a call

    - by Developer
    I am developing an app. I need to play the music when i am in a call. But i am facing with the problem that whenever i try to play the music in a call it is not that much loud as it is when there is no call. Is there any way to control the background music when in a call. My music volume becomes softer when i am in a call but it becomes louder as soon as i end the call. final AudioManager mAudioManager = (AudioManager) ctx .getSystemService(AUDIO_SERVICE); final int originalVolume = mAudioManager .getStreamVolume(AudioManager.STREAM_MUSIC); mAudioManager .setStreamVolume( AudioManager.STREAM_MUSIC, mAudioManager .getStreamMaxVolume(AudioManager.STREAM_MUSIC), 0); mp = new MediaPlayer(); mp.setAudioStreamType(AudioManager.STREAM_MUSIC); mAudioManager.setMode(AudioManager.MODE_NORMAL); Class audioSystemClass = Class .forName("android.media.AudioSystem"); Method setForceUse = audioSystemClass.getMethod( "setForceUse", int.class, int.class); // First 1 == FOR_MEDIA, second 1 == FORCE_SPEAKER. To go // back to the default // behavior, use FORCE_NONE (0). setForceUse.invoke(null, 1, 1); this is my code.

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  • AsyncTask and Contexts

    - by Michael
    So I'm working out my first multi-threaded application using Android with the AsyncTask class. I'm trying to use it to fire off a Geocoder in a second thread, then update the UI with onPostExecute, but I keep running into an issue with the proper Context. I kind of hobbled my way through using Contexts on the main thread, but I'm not exactly sure what the Context is or how to use it on background threads, and I haven't found any good examples on it. Any help? Here is an excerpt of what I'm trying to do: public class GeoCode extends AsyncTask<GeoThread, Void, GeoThread> { @Override protected GeoThread doInBackground(GeoThread... i) { List<Address> addresses = null; Geocoder geoCode = null; geoCode = new Geocoder(null); //Expects at minimum Geocoder(Context context); addresses = geoCode.getFromLocation(GoldenHour.lat, GoldenHour.lng, 1); } } It keeps failing at the sixth line there, because of the improper Context.

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  • Slow retrieval of data in SQLITE takes a long using ContentProvider

    - by Arlyn
    I have an application in Android (running 4.0.3) that stores a lot of data in Table A. Table A resides in SQLite Database. I am using a ContentProvider as an abstraction layer above the database. Lots of data here means almost 80,000 records per month. Table A is structured like this: String SQL_CREATE_TABLE = "CREATE TABLE IF NOT EXISTS " + TABLE_A + " ( " + COLUMN_ID + " INTEGER PRIMARY KEY NOT NULL" + "," + COLUMN_GROUPNO + " INTEGER NOT NULL DEFAULT(0)" + "," + COLUMN_TIMESTAMP + " DATETIME UNIQUE NOT NULL" + "," + COLUMN_TAG + " TEXT" + "," + COLUMN_VALUE + " REAL NOT NULL" + "," + COLUMN_DEVICEID + " TEXT NOT NULL" + "," + COLUMN_NEW + " NUMERIC NOT NULL DEFAULT(1)" + " )"; Here is the index statement: String SQL_CREATE_INDEX_TIMESTAMP = "CREATE INDEX IF NOT EXISTS " + TABLE_A + "_" + COLUMN_TIMESTAMP + " ON " + TABLE_A + " (" + COLUMN_TIMESTAMP + ") "; I have defined the columns as well as the table name as String Constants. I am already experiencing significant slow down when retrieving this data from Table A. The problem is that when I retrieve data from this table, I first put it in an ArrayList and then I display it. Obviously, this is possibly the wrong way of doing things. I am trying to find a better way to approach this problem using a ContentProvider. But this is not the problem that bothers me. The problem is for some reason, it takes a lot longer to retrieve data from other tables which have only upto 12 records maximum. I see this delay increase as the number of records in Table A increase. This does not make any sense. I can understand the delay if I retrieve data from Table A, but why the delay in retrieving data from other tables. To clarify, I do not experience this delay if Table A is empty or has less than 3000 records. What could be the problem?

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  • Emulator restarts after snapshot load

    - by reox
    I've set up a android emulator with a snapshot of a specific state i need to go back every time. the snapshot is created and is listed and i can also start directly with this snapshot with emulator -avd MyAVD -snapshot mystate -no-snapshot-save the problem is now that the emulator restart itselfs after i load the snapshot after i did my changes in the emulator. So if i use echo -e "avd snapshot load mystate\nexit" | nc localhost 5554 the snapshot is loaded correctly but then after some seconds i see the bootloader screen. Whats happening there? this phenomen is repeatable with different emulators and different snapshots. is it possible that i just misuse a feature here? edit: it seems this problem is only occuring when i load a snapshot multiple times. after starting the emulator, everything is working quite well. now i load my snapshot, also everything is working well. but when i now load the same snapshot again, it will correctly load it but then the emulator will restart. so is there any possibility to load a snapshot multiple times? otherwise i always need to restart my emulator, which takes a long time...

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  • Issue in achartengine jar file

    - by Anshuman
    Actually i have created an app in which i have used achartengine to contruct graph. It was running ok, but today i saw an update for android SDK to r17. Once i upadated the sdk the app i had build started crash. In the logcat i show the following error report. Why this happen, is it because the jar file i have used is deprecated. 03-27 14:44:26.320: E/AndroidRuntime(4360): java.lang.NoClassDefFoundError: [Lorg.achartengine.chart.PointStyle; 03-27 14:44:26.320: E/AndroidRuntime(4360): at in.com.example.ChartEngineActivity.onCreate(ChartEngineActivity.java:58) 03-27 14:44:26.320: E/AndroidRuntime(4360): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047) 03-27 14:44:26.320: E/AndroidRuntime(4360): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1611) 03-27 14:44:26.320: E/AndroidRuntime(4360): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663) 03-27 14:44:26.320: E/AndroidRuntime(4360): at android.app.ActivityThread.access$1500(ActivityThread.java:117) 03-27 14:44:26.320: E/AndroidRuntime(4360): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931) 03-27 14:44:26.320: E/AndroidRuntime(4360): at android.os.Handler.dispatchMessage(Handler.java:99) 03-27 14:44:26.320: E/AndroidRuntime(4360): at android.os.Looper.loop(Looper.java:130) 03-27 14:44:26.320: E/AndroidRuntime(4360): at android.app.ActivityThread.main(ActivityThread.java:3683) 03-27 14:44:26.320: E/AndroidRuntime(4360): at java.lang.reflect.Method.invokeNative(Native Method) 03-27 14:44:26.320: E/AndroidRuntime(4360): at java.lang.reflect.Method.invoke(Method.java:507) 03-27 14:44:26.320: E/AndroidRuntime(4360): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839) 03-27 14:44:26.320: E/AndroidRuntime(4360): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597) 03-27 14:44:26.320: E/AndroidRuntime(4360): at dalvik.system.NativeStart.main(Native Method)

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  • Programmatically disable WiredHeadset

    - by tyrone-tudehope
    Hi, I have an HTC Hero with a major issue. It thinks that the headset/headphones are plugged in. I sent it to HTC and they said there is water damage so no fix. I have tried toggleheadset, toggleheadset2. I've rooted my device and installed the Android 2.1 ROM. Now I found out that AudioManager.setRouting and .setWiredHeadsetOn(bool) have been deprecated and subsequently removed. I read a post somewhere about how you can create a wrapper for the AudioSystem class as the setRouting is still available there. I as of yet have not been able to figure out how to go about doing this as the AudioSystem class is hidden in the SDK and the code makes use of native functions. Does anybody know of a way to go about creating and implementing a wrapper for AudioSystem or of another way to disable the headset? P.S. I've cleaned out the headset port so there is no dust or anything sending false signals to the mainboard. Any help will be greatly appreciated. Thanks, Tyrone

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  • XML problem in the basic menu example

    - by arakn0
    Hi there, I am trying to create an app with some menus, an I am following the basic example available in the official android site: http://developer.android.com/guide/topics/ui/menus.html My problems appear when I define the menu in the XML. After creating the folder res/menu and creating the menu_option.xml file from eclipse.... The project (in general) gives an error that can be read from the Problems tab: Unparsed aapt error(s)! Check the console for output Android Packaging Problem So, changing to the Console tab to get more information about the problem, this can be read: [2010-06-02 11:35:54 - TestAudio] Error in an XML file: aborting build. [2010-06-02 11:35:54 - TestAudio] W/ResourceType(11566): Bad XML block: header size 63327 or total size -144759824 is larger than data size 0 [2010-06-02 11:35:54 - TestAudio] /home/User/workspace/TestAudio/res/menu/options_menu.xml:1: error: Error parsing XML: no element found The strange thing is that eclipse recognizes the menu items that I've defined in the XML,I can reference them in the code with no problems and my main activity builds. (and the rest of the files too). Could it be that when eclipse creates a file, for some reason, the Android SDK has problems to read it, or something similar?? The XML code is exactly the same as the one in the example, so I don't really know what is happening. The code in options_menu.xml is this: <menu xmlns:android="http://schemas.android.com/apk/res/android" <item android:id="@+id/new_game" android:title="New Game" / <item android:id="@+id/quit" android:title="Quit" / </menu Thanks in advance for your help!

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  • Is there a limit for the number of files in a directory on an SD card?

    - by jamesh
    I have a project written for Android devices. It generates a large number of files, each day. These are all text files and images. The app uses a database to reference these files. The app is supposed to clear up these files after a little use (perhaps after a few days), but this process may or may not be working. This is not the subject of this question. Due to a historic accident, the organization of the files are somewhat naive: everything is in the same directory; a .hidden directory which contains a zero byte .nomedia file to prevent the MediaScanner indexing it. Today, I am seeing an error reported: java.io.IOException: Cannot create: /sdcard/.hidden/file-4200.html at java.io.File.createNewFile(File.java:1263) Regarding the sdcard, I see it has plenty of storage left, but counting $ cd /Volumes/NO_NAME/.hidden $ ls | wc -w 9058 Deleting a number of files seems to have allowed the file creation for today to proceed. Regrettably, I did not try touching a new file to try and reproduce the error on a commandline; I also deleted several hundred files rather than a handful. However, my question is: are there hard limits on filesize or number of files in a directory? am I even on the right track here? Nota Bene: The SD card is as-is - i.e. I haven't formatted it, so I would guess it would be a FAT-* format. The FAT-32 format has hard limits of filesize of 2GB (well above the filesizes I am dealing with) and a limit of number of files in the root directory. I am definitely not writing files in the root directory.

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  • Good guidelines for developing an ecommerce application

    - by kaciula
    I'm making an ecommerce application on Android and, as it is my first serious project, I'm trying to figure out beforehand the best approach to do this. The application talks to a web service (magento api, meaning soap or xml rpc unfortunately) and gets all the content on the phone (product categories, product details, user credentials etc.). I think it should do lazy loading or something like that. So, I was thinking to keep the user credentials in a custom Object which will be kept in a SharedPreferences so that every Activity cand easily access it. I'll use a couple of ListViews to show the content and AsyncTask to fetch the data needed. Should I keep all the data in memory in objects or should I use some sort of cache or a local database? Also, I'm planning to use a HashMap with SoftReferences to hold the bitmaps I am downloading. But wouldn't this eat a lot of memory? How cand all the activities have access to all these objects (ecommerce basket etc.)? I'm thinking of passing them using Intents but this doesn't seem right to me. Can SharedPreferences be used for a lot of objects and are there any concurrency issues? Any pointers would be really appreciated. What are some good guidelines? What classes should I look into? Do you know of any resources on the Internet for me to check out?

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  • Weird camera Intent behavior

    - by David Erosa
    Hi all. I'm invoking the MediaStore.ACTION_IMAGE_CAPTURE intent with the MediaStore.EXTRA_OUTPUT extra so that it does save the image to that file. On the onActivityResult I can check that the image is being saved in the intended file, which is correct. The weird thing is that anyhow, the image is also saved in a file named something like "/sdcard/Pictures/Camera/1298041488657.jpg" (epoch time in which the image was taken). I've checked the Camera app source (froyo-release branch) and I'm almost sure that the code path is correct and wouldn't have to save the image, but I'm a noob and I'm not completly sure. AFAIK, the image saving process starts with this callback (comments are mine): private final class JpegPictureCallback implements PictureCallback { ... public void onPictureTaken(...){ ... // This is where the image is passed back to the invoking activity. mImageCapture.storeImage(jpegData, camera, mLocation); ... public void storeImage(final byte[] data, android.hardware.Camera camera, Location loc) { if (!mIsImageCaptureIntent) { // Am i an intent? int degree = storeImage(data, loc); // THIS SHOULD NOT BE CALLED WITHIN THE CAPTURE INTENT!! ....... // An finally: private int storeImage(byte[] data, Location loc) { try { long dateTaken = System.currentTimeMillis(); String title = createName(dateTaken); String filename = title + ".jpg"; // Eureka, timestamp filename! ... So, I'm receiving the correct data, but it's also being saved in the "storeImage(data, loc);" method call, which should not be called... It'd not be a problem if I could get the newly created filename from the intent result data, but I can't. When I found this out, I found about 20 image files from my tests that I didn't know were on my sdcard :) I'm getting this behavior both with my Nexus One with Froyo and my Huawei U8110 with Eclair. Could please anyone enlight me? Thanks a lot.

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  • How to fix IllegalStateException error when trying to update a listview?

    - by Michael Vetrano
    Hi guys, I am trying to get this code to run, but I get an IllegalStateException when I run this code saying that the content of the listview wasn't notified, yet I have a notification upon updating the data. This is a custom listview adapter. Here is the relevant part of my code: class LoadingThread extends Thread { public void run() { int itemsOriginallyLoaded = 0; synchronized( items ) { itemsOriginallyLoaded = items.size(); } for( int i = itemsOriginallyLoaded ; i < itemsToLoad ; ++i ) { Log.d( LOG_TAG, "Loading item #"+i ); //String item = "FAIL"; //try { String item = "FAIL"; try { item = stockGrabber.getStockString(dataSource.get(i)); } catch (ApiException e) { Log.e(LOG_TAG, "Problem making API request", e); } catch (ParseException e) { Log.e(LOG_TAG, "Problem parsing API request", e); } //} catch (ApiException e) { // Log.e(TAG, "Problem making API request", e); //} catch (ParseException e) { // Log.e(TAG, "Problem parsing API request", e); //} synchronized( items ) { items.add( item ); } itemsLoaded = i+1; uiHandler.post( updateTask ); Log.d( LOG_TAG, "Published item #"+i ); } if( itemsLoaded >= ( dataSource.size() - 1 ) ) allItemsLoaded = true; synchronized( loading ) { loading = Boolean.FALSE; } } } class UIUpdateTask implements Runnable { public void run() { Log.d( LOG_TAG, "Publishing progress" ); notifyDataSetChanged(); } }

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  • How to vertically align text in a button with a background drawable?

    - by neutrino
    I had a simple button set up with a background image defined like android:background="?attr/button" where ?attr/button was a reference to a simple 9-patch png. Everything worked fine, text in the button was aligned correctly. Then I needed to have a different background for a pressed state of the button. So I changed that to android:background="@drawable/state_button" where @drawable/state_button is an xml with the following states <?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/button_pressed" /> <!-- pressed --> <item android:state_focused="true" android:drawable="@drawable/button_pressed" /> <!-- focused --> <item android:drawable="@drawable/button" /> <!-- default --> </selector> And after that I can't align the text properly. If I put android:gravity="center_vertical" the text is drawn about 1/4 of the button height from the top. I double-checked my 9-patch images, everything seems fine with them. And I also tried having regular pngs for the background, it also doesn't change anything.

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  • Should onSaveInstanceState save the "enabledness" of the views?

    - by neutrino
    Hi there, I have a preferences activity where I can change the language and the theme of my application. From there I return to the previous activity via the Back key, and I want to recreate the activity. I've managed to do that by reinitializing the layout in onResume and also calling onRestoreInstanceState from there. All the views are restored properly, with checkboxes checked if needed, edittexts filled with texts I left there previously. But I also have a button which is initially disabled, and becomes enabled only when a radiobutton is checked. The problem with it is the following: I check the radiobutton, the button becomes enabled. Then I go to settings, change the theme there, and return to the first activity. When I arrive there, the radiobutton is still checked, but the button is disabled. So it seems that the enabled/disabled state isn't being saved into the bundle, which seems counterintuitive. And I haven't found any code in the Android source that does this, too. Am I missing something, or do I have to write my own code for that?

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  • UDP server doesnt accept calls from outside.

    - by rayman
    Hi, ive implement simple udp server on my Android device.(sdk 1.5) it works fine when i am runnning a local client on the phone sends through it trigger to my server. but when i try to get udp call from an outside server to my phone, it doesnt work. already make sure the outside server isnt blocked by firewall and it's sending the udp trigger to the right port, which my phone is listening to. i used natstat on the phone and checked that the phone is realy listening to the it's local ip and the port ive setted it to. here is my code of the server:(on the device) // server will listen to one client try { Thread udpServerThread = new Thread() { @Override public void run() { try { // Retrieve the ServerName InetAddress serverAddr = InetAddress .getByName("localhost"); Log.d("UDP", "S: Connecting..."); // Create new UDP-Socket socket = new DatagramSocket(SERVERPORT,serverAddr); byte[] buf = new byte[17]; // * Prepare a UDP-Packet that can contain the data we // * want to receive DatagramPacket packet = new DatagramPacket(buf, buf.length); Log.d("UDP", "S: Receiving..."); // wait to Receive the UDP-Packet socket.receive(packet); Log.d("UDP", "S: Received: '" + new String(packet.getData()) + "'"); acceptedMsg=new String(packet.getData()); notifyService(acceptedMsg); Log.d("UDP", "S: Done."); } catch (Exception e) { Log.e("UDP", "S: Error", e); } } }; udpServerThread.start(); } catch (Exception E) { Log.e("r",E.getMessage()) ; } so as i said, when i try it with local client(seperate thread) which sends udp trigger it works fine, but when i take this client implementation and put it on an outside real server, after UDP being sent, the phone doesnt respond to it. any idea? thanks, ray.

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  • How do I set streetView in my mapview

    - by John
    I an working on an android project whereby i need to set my map to zoom in and show a more detailed view of my map, like the streets of where i want my coordinates to triangulate. The problem is in Mapview class, setStreetView is deprecated, wat is the alternative? This is how setStreetView looks when i use it. package com.HelloMapView; import java.util.List; import com.google.android.maps.GeoPoint; import com.google.android.maps.MapActivity; import com.google.android.maps.MapController; import com.google.android.maps.MapView; import com.google.android.maps.Overlay; import com.google.android.maps.OverlayItem; import android.app.Activity; import android.graphics.drawable.Drawable; import android.os.Bundle; import android.widget.LinearLayout; public class HelloMapView extends MapActivity { MapView mapview; LinearLayout linearlayout; List<Overlay> mapOverlay; Drawable drawable; HelloItemizedOverlay itemizedOverlay; @SuppressWarnings("deprecation") @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); mapview=(MapView)findViewById(R.id.mapview); mapview.setBuiltInZoomControls(true); mapview.setStreetView(true); mapOverlay=mapview.getOverlays(); drawable=this.getResources().getDrawable(R.drawable.androidmarker); itemizedOverlay=new HelloItemizedOverlay(drawable); GeoPoint geoPoint=new GeoPoint(19240000,-99120000); OverlayItem overlayitem=new OverlayItem(geoPoint,"",""); itemizedOverlay.addoverlay(overlayitem); mapOverlay.add(itemizedOverlay); } @Override protected boolean isRouteDisplayed() { // TODO Auto-generated method stub return false; } } this does not work it only shows square boxes with no map at all

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