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  • numeric choice field:How to let the user set a value by incrementing/decrementing the displayed valu

    - by con_9
    Hi,I have a range say,1-100 and i want the user to select a value from this range.Ofcourse showing this with a spinner will be awful.I want to use the functionality of date widget,where we can pick a date by pressing a +/- sign,the longer the press ,higher the iteration speed. I found numberpicker.java that has the code the date widget uses to get this functionality, but do i have to paste that entire code to achieve this functionality!

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  • How can I call multiple nutrient information from ESHA Research API? (apid.esha.com)

    - by user1833044
    I want to call ESHA Research nutrient REST API. I cannot seem to figure out how to call multiple nutrients using ESHA REST API. So far I am calling the following and only able to retrieve the calories, or protein, or another type of nutrient information. So I was hoping someone had experience in retrieving all the nutrient information with one call. Is this possible? This is how I call to retrieve the TWIX nutrient http://api.esha.com/analysis?apikey=xxxx&fo=urn:uuid:81d268ac-f1dc-4991-98c1-1b4d3a5006da (returns calories, please note the api key is not xxxx but instead a key generated from Esha once you sign up as developer) The return is JSON format. If I want to call fat it would be the following http://api.esha.com/analysis?apikey=xxxx&fo=urn:uuid:81d268ac-f1dc-4991-98c1-1b4d3a5006da&n=urn:uuid:589294dc-3dcc-4b64-be06-c07e7f65c4bd How can I make a call once and get a return of all the nutrients (so Fat, Calories, Carbs, Vitamins, etc..) for a particular food ID? I have researched and looked at this for a while and cannot seem to find the answer. Thanks in advance for your help.

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  • Passing enum or object through an intent (the best solution)

    - by jax
    I have an activity that when started needs access to two different ArrayLists. Both Lists are different Objects I have created myself. Basically I need a way to pass these objects to the activity from an Intent. I can use addExtras() but this requires a Parceable compatible class. I could make my classes to be passed serializable but as I understand this slows down the program. What are my options? Can I pass an Enum? As an an aside: is there a way to pass parameters to an Activity Constructor from an Intent?

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  • PrgressDialog when load a WebView crash issue

    - by AndreaF
    I have an Activity with a WeView that load an url, and I want to display a little waiting dialog during the load of the site, so I have tried this: private ProgressDialog dialog = new ProgressDialog(MyNameActivity.this); @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder() .permitAll().build(); StrictMode.setThreadPolicy(policy); setContentView(R.layout.web_view_activity); WebView wv; wv = (WebView) findViewById(R.id.areaWebSolver); wv.setWebViewClient(new WebViewClient() { @Override public boolean shouldOverrideUrlLoading(WebView view, String url) { view.loadUrl(url); return true; } @Override public void onPageFinished(WebView view, String url) { if (dialog.isShowing()) { dialog.dismiss(); } } }); dialog.setMessage("Loading..Please wait."); dialog.setCanceledOnTouchOutside(false); dialog.show(); wv.loadUrl(url); WebSettings webSettings = wv.getSettings(); webSettings.setJavaScriptEnabled(true); } Unfortunately doesn't works and the app crashes with a source not found... If I try to remove the Progress dialog code the activity works. What's wrong? How could I fix this?

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  • Adding settings to Settings

    - by c0dem4gnetic
    The application I am developing is in large parts a background-only Service BUT requires some settings that the user must add. Is there a way to integrate applications with the common Settings application/view/activity?

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  • List View Array from Database

    - by leenolasco
    I have retrieved data and successfully shown it in text view. What do i modify in my codes to make it look like a list view? And also how do modify my listview programatically(adding size and padding)? Here is my a part of my DBclass in selecting the items that I've displayed getFAData() { // TODO Auto-generated method stub String [] columns = new String[]{Row_Name}; Cursor c = ourDB.query(db_Table, columns, null, null, null, null, null); String res = ""; int iRow = c.getColumnIndex(Row_Name); //int iDesc = c.getColumnIndex(Row_Desc); //int iID = c.getColumnIndex(Row_id); for (c.moveToFirst(); !c.isAfterLast(); c.moveToNext()) { res = res + c.getString(iRow) + "\n"; } return res; } And here is class file: public class FirstAid extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.firstaid); displayresult(); } public void displayresult (){ TextView tvFa = (TextView) findViewById(R.id.tvFA); tvFa.setMovementMethod(new ScrollingMovementMethod()); DbHelper tblFa = new DbHelper(this); tblFa.open(); String result = tblFa.getFAData(); tblFa.close(); tvFa.setText(result); } }

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  • which database to use

    - by ranjanarr
    I am developing an App in which I need to authenticate password, store user personal information and setting details / preferences. All these are user-mobile specific or rather App specific and are unique for each user,the password and settings info should not be lost once phone is switched off or user exits the App, which data storage rocedure is recommended for such App?

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  • Refreshing code

    - by sairam333
    Hi I want code for refershing my page automatically when i click on any button.For Ex I have a people page In that page i delete people from total peoples using one button but that selected people is not deleted immediately That means the People page is not refreshing.So,I want code for refreshing that page.Give me any suggestions.Thanks in advance

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  • Dynamic themes and custom styles

    - by Lawrence Kesteloot
    I've got an app with two themes (dark and light) that can be selected at runtime. This works. I also have a ListView with rows that can have one of three different layouts, each of which has a style (say, different colors). This also works. But I can't get these two features to work together. I really need six different styles, three for one theme (dark) and three for the other (light), but I can't figure out how to choose a style for a list item based on the current theme, or get that effect any other way by using XML files. My three layouts each point to a custom theme that sets the color, but that overrides whatever theme I've got set. Themes can only contain items that are "styleable", so I can't put my own custom items in there. There may be a way to do this programmatically, but I was hoping to do it declaratively. Any ideas?

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  • How to setHeight for a ViewGroup

    - by michael
    Hi, Can you please tell me how can I setHeight for a ViewGroup? I see there is a layout(l,t,r,b); But that is different form setHeight(), since I don't know where should be the top/bottom of the viewGroup. I need to set the height of the ViewGroup and return that to ListAdapter. Thank you.

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  • How should onClick Listener by defined and instantiated for an Activity

    - by Code Droid
    My Activity has multiple lists so I have defined MyClickListener as below: My question is how I should instantiate this class: MyClickListener mMyClickListener = new MyClickListener(); Or maybe it is better to instantiate inside the onCreate(Bundle) and just define above. Whats considered the better way? I don't want too much in onCreate() its already full of stuff. Any thoughts on the declaration and instatiation? Whats the best way? private class MyClickListener implements OnClickListener { @Override public void onClick(View view) { } }

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  • A Map of View instances?

    - by user291701
    Is it possible to keep references to views keyed off of their hashCode? Something like: Map<Integer, View> views; views.put(view1.hashCode(), view1); views.put(view2.hashCode(), view2); views.put(viewN.hashCode(), viewN); I have a few in my view hierarchy and am downloading images for each. I want to be able to iterate over them quickly, or see if I've already previously added one (hence the map).

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  • Problem with SDL 1.2 when setting videomode with SDL_SetVideoMode

    - by user574911
    I have a very simple program, in which I am initialising with SDL_Init(flags) and using SDL_SetVideoMode but It fails by returning null. I think I am missing some config parameters/options, if any one knows about this erro please let me know. My code is as below : if(SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER)) { fprintf(stderr, "Could not initialize SDL\n"); exit(1); } screen = SDL_SetVideoMode(640, 480, 0, 0); if(!screen) { fprintf(stderr, "SDL: could not set video mode - exiting\n"); exit(1); }

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  • ArrayList to Array of Strings in java

    - by rajivpradeep
    ArrayList<String> newArray = new ArrayList<String>(); newArray = urlList.getUrl(); for( int i = 0 ; i < newArray.size();i++) { System.out.println(newArray.get(i)); } newArray.toArray(mStrings );// is this correct mStrings = newArray.toArray();// or this to convert ArrayList ot String array here for( int i = 0 ; i < mStrings.length;i++) { System.out.println(mStrings[i]); }

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  • Is it possible to use a String as a seed for an instance Random? [duplicate]

    - by danpetruk
    This question already has an answer here: Converting String to long in Java 5 answers I have a String value and I would like to init a random class using the string as a seed? Is it possible to do this, and if so how? UPDATE 1: The string consists not only of ASCII. I can have any utf-8 symbols. UPDATE 2: Why did you close it? The questions really aren't about the same. Firstly because I've utf8 string and secondary because different strings can produce same seeds

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  • Getting Null Pointer Exception while reading sqlite database

    - by user1597569
    I have to read values from SQLite database but getting null pointer exception when I execute private final String DB_NAME = "UserDb"; private final String TABLE_NAMES = "tbluser"; SQLiteDatabase sampleDB; Cursor c=null; c= sampleDB.rawQuery("SELECT * from " +TABLE_NAMES+" where did='"+deviceDec+"' ", null); Please suggest me why I am getting the exception because at one function it is running but in other it is not. and the deviceDec value also i am getting I have checked in Log

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  • Saving an Object for use later

    - by Eclipsed4utoo
    As part of my widget, I use an instance of the Camera object. This is what I want to do. The user will click on my widget, I get an instance of the Camera(if it's not already stored), use it, then store it. If they click the widget again, I want to use that same instance that I used previously. Is this possible?

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  • AsyncTask not do onPostExecute()

    - by brian
    I write a AsyncTask as below: class Load extends AsyncTask<String, String, String> { @Override protected void onPreExecute() { super.onPreExecute(); } @Override protected String doInBackground(String... aurl) { //do job seconds //stop at here, and does not run onPostExecute } @Override protected void onPostExecute(String unused) { super.onPostExecute(unused); wait = false; new Load().execute(); } } And the other method as below: public void click() { new Load().execute(); while(wait) { ; } } The wait is a global boolean value.

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  • Live Wallpaper Engine Abstraction

    - by user1459142
    I am trying to obtain an instance of my live wallpaper engine in another class, here is my code... In the other class: WallpaperEngine wpe = (WallpaperEngine) LiveWallpaperService.onCreateEngine(); In LiveWallpaperService: @Override public Engine onCreateEngine() { // TODO Auto-generated method stub return new WallpaperEngine(); } But when I refer to an object in my engine (i.e, "wpe.variable"), I get a NullPointerException and the wallpaper force closes.

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  • Are there any simple ways to publish APKs on Google Play?

    - by StupidCodeGenerator
    I'm from China and we only publish APKs in Chinese market. This is my first time trying to put out game on Google Play. In China, publishing is pretty simple: They give us a jar file and we just import the file in our project and do something with a small document. But when I was reading the Google Play's document, I think it's too complicated. There're so many documents and what ever you read the document always tell you you need to read another document. Are there any simple ways to do this?

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