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  • android use local service to refresh map UI

    - by urobo
    I don't need a strict code related answer I just need somebody to tell me what I am missing. My application has to retrieve from a web service (xmlrpc) the positions of some users I know and update their position on a MapView. So I decided to use a Service and an Activity extending MapActivity to show results. I thought about two solutions: I ) start the service and make it ask every minute for these positions and send them to the activity as a bundle via intent. (This didn't work out well, since once shown I couldn't find a method to let the activity continue refresh itself until she stop receiving intents+data from the service) II ) Incorporate a thread within the activity which starts the service via context.startService(...) every minute. And the MapUI refresh itself once the service send back an intent and stop itself. (Maybe I will fall in the same problem category as before I haven't tryied yet). I am also giving directions (via maps.google ws) in this way I'd like to refresh only users positions on the map and save the route. What Am I missing do you have any suggestions? related to activities/services internal mechanics, don't know launch modes, use broadcast receivers or intent filters? Thanks in advance

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  • Android Mock Location locks GPS on status bar

    - by Mark Manickaraj
    I created an app that uses mock locations to insert GPS coordinates. After removing the test provider via: mLocationManager.clearTestProviderLocation(mocLocationProvider); mLocationManager.removeTestProvider(mocLocationProvider); mLocationManager.removeUpdates(mLocationListener); When I launch google maps for example after exiting the app the GPS location is found and then never goes away. "Location Set By GPS" always remains on the notification bar even though my app is ended. Any ideas?

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  • Supply some basic auth credentials to a WebView?

    - by user246114
    Hi, I have a WebView. I'd like to show some page from my server, but I require some basic authentication. Is there a way I can specify basic auth credentials when calling WebView.loadData() somehow? I can do this on iphone with the equivalent webview class, thinking maybe same is possible with android? Thanks

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  • Android - accessing an element in widget

    - by teepusink
    Hi, I'm using hierarchyviewer to look through a widget that I'm using. (TimePicker). Now I can see that TimePicker contains id/decrement, id/increment and id/timepicker_input. How do I get a reference to id/timepicker_input for example? Tried my_picker.findViewWithTag("decrement"); but that returns null. Thanks, Tee

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  • Detecting new MMS (Android 2.1)

    - by Asahi
    I'd like to recognize arrival of new MMS msg (after it is downloaded to inbox). I am doing the following: private MMSContentObserver mMmsCO; public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); h = new Handler(); mMmsCO = new MMSContentObserver(h); getContentResolver().registerContentObserver (Uri.parse("content://mms"), true, mMmsCO); } where private class MMSContentObserver extends ContentObserver { public MMSContentObserver(Handler h) { super(h); } @Override public boolean deliverSelfNotifications() { return false; } @Override public void onChange(boolean selfChange) { super.onChange(selfChange); } } However, onChange is not getting called. What am I missing? Thanks in advance.

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  • Android Google Analytics dispatch interval

    - by Bear
    In the document, it mentions that we can have a dispatch interval such that page view will be automatically dispatched after x seconds. I have the code like the following tracker.startNewSession("UA-YOUR-ACCOUNT-HERE", 20, this); I sure trackPageView() is called as I can see those pageview are stored into "google_analytics.db" which is the database that google analyitcs used to store non-dispatching pageview. However, it doesn't send to Google Analytics after 20 seconds In log, it keeps reporting scheduling next dispatch when I call trackPageView().

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  • Android Facebook RequestListener

    - by Marcus King
    I'm new to Java, but have been a .NET developer for years now and I am a bit confused about the point of the RequestListener object as I can't retrieve the results of my asynchronous calls on the UI thread from what I can tell. My research has told me I should not use singletons or the application context object for getting and storing data. I could use sqlLite, but the data I need is too transient to bother. I would like to know how to have the asyncfacebookrunner object report back it's responses to the UI thread so I can proceed to make decisions between my own api and the objects returned to me from the facebook calls I am making in the async calls. Am I missing something? I can't seem to find a way to get data out. I can pass a Bundle in, but I'm not too sure how to get data out. I would think I would pass it an Intent object to retrieve, but I am not seeing it. I think my eyes are crossed from lack of sleep at this point. Any help here?

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  • Android service puts multiple instances of an activity in the history

    - by HenryAdamsJr
    I'm making a music player. When you press play, it loads a notification into the OnGoing section. When you go anywhere else in the system, I want the music to keep playing. All of this is fine. The problem is that when I relaunch my activity from the Notification, it adds a task to the history stack each time, so if I hit back, I have to see the instance of Activity B from where I pressed play, and from every time I clicked on the notification to go back to Activity B. I want the instance of Activity B that I launch from the notification (via the service) to be the only copy of that Activity in the history. I've been playing around with various Intent flags and Activity attributes in the manifest, but I haven't found the proper combination.

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  • Followed the official android documentations but still could not use SQLite in app

    - by user366539
    My DBHelper class public class DBHelper extends SQLiteOpenHelper { public DBHelper(Context context) { super(context,"SIMPLE_DB",null,1); } @Override public void onCreate(SQLiteDatabase db) { db.execSQL("CREATE TABLE SIMPLE_TABLE ( " + "ID INTEGER PRIMARY KEY " + "DESC TEXT);"); } @Override public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { } } Activity class public class SimpleDatabase extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); DBHelper dbHelper = new DBHelper(this); SQLiteDatabase db = dbHelper.getReadableDatabase(); db.execSQL("INSERT INTO SIMPLE_TABLE VALUES (NULL, 'test');"); Cursor cursor = db.rawQuery("SELECT * FROM SIMPLE_TABLE", null); TextView text = (TextView)findViewById(R.id.textbox); text.setText(cursor.getString(0)); } } I figure it crashed (application has stopped unexpectedly!) at SQLiteDatabase db = ... because if I commented the code out from there to the end then it worked fine. But I have no idea whatsoever why it does that. Any help would be appreciated.

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  • android layout-land and screen-rotation handling

    - by davs
    I have layouts for portrait mode (in folder layout) and for landscape one (in the folder layout-land). This screen is located under one of the tabs, so I had to handle screen rotating (after screen has been rotated, no default screen restart occurs). I would like to update view from 'layout-land' when screen rotates to landscape mode and from 'layout' when screen rotates to portrait one. How can I do this?

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  • android thread management onPause

    - by Kwan Cheng
    I have a class that extends the Thread class and has its run method implemented as so. public void run(){ while(!terminate){ if(paused){ Thread.yield(); }else{ accummulator++; } } } This thread is spawned from the onCreate method. When my UI is hidden (when the Home key is pressed) my onPause method will set the paused flag to true and yield the tread. However in the DDMS I still see the uTime of the thread accumulate and its state as "running". So my question is. What is the proper way to stop the thread so that it does not use up CPU time?

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  • working with android intents how to pass arguments between father and the intent h in

    - by yoavstr
    assuming i want to open another activity from my current activty and i want to pass her arguments such as in my case diffculty level how i do it?... newGameButton.setOnClickListener(new OnClickListener() { public void onClick(View view) { Intent i = new Intent(countryCityGameMenu.this,GameScreen.class); startActivityForResult(i, GlobalDataStore.STATIC_INTEGER_VALUE); } }); is there a way to pass those arguments in the calling ?... thankx

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  • android: ending activity from tab

    - by Jin
    I have 3 classes, let's call them 1, 2, and 3. Class 1 extends TabActivity and organizes the whole tab thing, Class 2 and 3 are just two separate tabs each with some lines of text. I call Class 1 from another activity using startActivityForResult. I then added an optionsMenu in class 2, and when user clicks the optionMenu, the following code is carried out: @Override public boolean onMenuItemSelected(int featureId, MenuItem item) { Intent i = new Intent(); switch(item.getItemId()) { case Result.NEXT_ID: i.putExtra(Result.PAGE_REQUEST, NEXT); setResult(RESULT_OK, i); finish(); break; case Result.PREV_ID: i.putExtra(Result.PAGE_REQUEST, PREV); setResult(RESULT_OK, i); finish(); } return super.onMenuItemSelected(featureId, item); } In my parent class (the class that called 1 to begin with), in its onActivityResult function, I want to get the data from the extras. However, the intent is always null, and I can't figure out why. When I call finish() on class 2, is it calling some other function in class 1? Do I have to transfer the intent data somehow?

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  • display several items in one row of a listview in android

    - by Sephy
    I don't now if this title is very clear, but I would like to understand how this is possible : And how we can have 2 elements on the same row of the listview, and handle different clicks, as the listview deals with handling the click on a child. Thanks for anyone who could point me in the right direction.

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  • BroadCast Receiver calling intent after some time android

    - by khushi
    public class myReceiver extends BroadcastReceiver { public static boolean wasScreenOn = true; @Override public void onReceive(final Context context, Intent recievedIntent) { if (recievedIntent.getAction().equals(Intent.ACTION_SCREEN_OFF)) { wasScreenOn = false; Intent intent = new Intent(context, myActivity.class); intent.setAction(Intent.ACTION_MAIN); intent.setFlags(Intent.FLAG_ACTIVITY_NO_USER_ACTION); intent.setFlags(Intent.FLAG_ACTIVITY_NO_HISTORY); intent.setFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION); intent.setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN); context.startActivity(intent .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)); } else if (recievedIntent.getAction().equals(Intent.ACTION_SCREEN_ON)) { wasScreenOn = true; } } } The activity display after when action screen on is call.

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  • Android menu view, gridview or something else?

    - by dfilkovi
    I need to create a home screen (menu) with four to six items arranged in a grid view, each item needs to have an icon and a text below the icon. I googled and everything I could find were adapterView examples, with dynamic menu loading, and I want to make it with static xml, this view will not change so no need for dynamic code. Can anyone post an xml example of this?

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  • Android TranslateAnimation resets after animation

    - by monmonja
    I'm creating something like a SlideDrawer but with most customization, basically the thing is working but the animation is flickering at the end. To further explain, I got an TranslateAnimation then after this animation it returns back to the original position, if i set setFillAfter then the buttons inside the layout stops working. If i listen to onAnimationEnd and set other's layout to View.GONE the layout fickers. Judging from it is that on animation end, the view goes back to original position before the View.GONE is called. Any advice would be awesome. Thanks

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  • [Android] Putting Serializable Classes into SQL?

    - by CaseyB
    Here's the situation. I have a bunch of objects that implement Serializable that I want to store in a SQL database. I have two questions Is there a way to serialize the object directly into the database Is that the best way to do it or should I Write the object out to a formatting String and put it in the database that way and then parse it back out Write each member to the database with a field that is unique to each object

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  • Override onDraw to change how the drawing occurs (Android)

    - by Casebash
    I want to change how my UI elements display, so I am overriding onDraw. The following code allows me to change a View to be drawn using PorterDuff.Mode.DARKEN. Unfortunately, this method involves creating a bitmap the size of the entire screen, then drawing to it then drawing this large bitmap the main screen again, for each UI element. This isn't at all efficient. Is it possible to achieve this in a more effecient way? @Override protected void onDraw(Canvas canvas) { //TODO: Reduce the burden from multiple drawing Bitmap bitmap=Bitmap.createBitmap(canvas.getWidth(), canvas.getHeight(), Config.ARGB_8888); Log.e("tmp",canvas.getClipBounds().toString()); Canvas offscreen=new Canvas(bitmap); super.onDraw(offscreen); //Then draw onscreen Paint p=new Paint(); p.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.DARKEN)); canvas.drawBitmap(bitmap, 0, 0, p); }

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  • OPENGL Android getting the coordinates of my image

    - by Debopam
    I used the codes from the following the website. And it helped a lot to draw the required object on my screen. But the problem I am facing is getting the coordinates of my object. Let me explain. According to the code. You just need to add your graphic images in PNG format and refer it to the class here. What I am trying to achieve is a simple collision detection mechanism. I have added a maze (as PNG). And have a object (as PNG) to go through the blank path within the maze. In order to do this I need to know the blank spaces within the coordinates through which my object will move. Can any one tell me how to get the blank spaces as (x,y) coordinates through which I can take my object?

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