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  • Store in sharedPreferences

    - by klaus-vlad
    Hi, I have some things in my app that I need to store, in order to have it available the next time I open the application. I wonder if I could save them using the sharedPreferences mechanism even if I don't have any "view" associated with them ! .If this is possible please let me know, if not, what would you suggest instead ?

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  • referencing ints from other classes

    - by user357032
    if i wanted to reference an int from another class how would i go about doing that??? public class Zoom extends View { private Drawable image; public int zoomControler=20; public Zoom(Context context) { super(context); image=context.getResources().getDrawable(R.drawable.icon); setFocusable(true); } @Override protected void onDraw(Canvas canvas) { // TODO Auto-generated method stub super.onDraw(canvas); image.setBounds((getWidth()/2)-zoomControler, (getHeight()/2)-zoomControler, (getWidth()/2)+zoomControler, (getHeight()/2)+zoomControler); image.draw(canvas); } } class HelloOnTouchListener implements OnTouchListener{ @Override public boolean onTouch(View arg0, MotionEvent arg1) { return true; } } in this case i want to reference the zoomControler from the first class in the second helloontouchlistener class

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  • non-static method cannot be referenced from a static context

    - by Mith
    I am modifying the source code here: http://thinkandroid.wordpress.com/2009/12/30/getting-response-body-of-httpresponse/ I get this error: non-static method getContentCharSet(org.apache.http.HttpEntity) cannot be referenced from a static context String charset = getContentCharSet(entity); This error is line 13 on the second box. Any ideas? I have been really struggling with this code :-(

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  • How to make a row of ListView like this?

    - by Jack101
    Hello, Sorry, this's my first time to ask a question here. So, I don't have the permission to upload the image to describe. Never Mind. What I would like to make is a row of ListView like this. The block on the left is an icon. Much appreciated if you could feedback the correct XML tags. Thanks. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ------- | | some text some text | | some text some text ------- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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  • ListAdapters and WrapperListAdapter algorithm

    - by Matty F
    This logic is written in a function with signature private void showDialog(final AdapterView<? extends Adapter> parent, String title, String message, final Tag subject) Is there a better way of doing this? // refresh adapter SimpleCursorAdapter adapter; if (parent.getAdapter() instanceof WrapperListAdapter) { adapter = (SimpleCursorAdapter) ((WrapperListAdapter) parent.getAdapter()).getWrappedAdapter(); } else { adapter = (SimpleCursorAdapter) parent.getAdapter(); } adapter.getCursor().requery(); adapter.notifyDataSetChanged(); Also, is there any point in having AdapterView<? extends Adapter> in the signature and not just AdapterView<?>?

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  • Using HTTPPOST with WebViewClient

    - by miannelle
    I am looking for an example of using a WebViewClient with shouldOverrideUrlLoading and using HttpPost. I need to display a web page, keep it within my layout boundaries so it can not launch a new browser and also use HttpPost to send data to the host.

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  • Code in FOR loop not executed

    - by androniennn
    I have a ProgressDialog that retrieves in background data from database by executing php script. I'm using gson Google library. php script is working well when executed from browser: {"surveys":[{"id_survey":"1","question_survey":"Are you happy with the actual government?","answer_yes":"50","answer_no":"20"}],"success":1} However, ProgressDialog background treatment is not working well: @Override protected Void doInBackground(Void... params) { String url = "http://192.168.1.4/tn_surveys/get_all_surveys.php"; HttpGet getRequest = new HttpGet(url); Log.d("GETREQUEST",getRequest.toString()); try { DefaultHttpClient httpClient = new DefaultHttpClient(); Log.d("URL1",url); HttpResponse getResponse = httpClient.execute(getRequest); Log.d("GETRESPONSE",getResponse.toString()); final int statusCode = getResponse.getStatusLine().getStatusCode(); Log.d("STATUSCODE",Integer.toString(statusCode)); Log.d("HTTPSTATUSOK",Integer.toString(HttpStatus.SC_OK)); if (statusCode != HttpStatus.SC_OK) { Log.w(getClass().getSimpleName(), "Error " + statusCode + " for URL " + url); return null; } HttpEntity getResponseEntity = getResponse.getEntity(); Log.d("RESPONSEENTITY",getResponseEntity.toString()); InputStream httpResponseStream = getResponseEntity.getContent(); Log.d("HTTPRESPONSESTREAM",httpResponseStream.toString()); Reader inputStreamReader = new InputStreamReader(httpResponseStream); Gson gson = new Gson(); this.response = gson.fromJson(inputStreamReader, Response.class); } catch (IOException e) { getRequest.abort(); Log.w(getClass().getSimpleName(), "Error for URL " + url, e); } return null; } @Override protected void onPostExecute(Void result) { super.onPostExecute(result); Log.d("HELLO","HELLO"); StringBuilder builder = new StringBuilder(); Log.d("STRINGBUILDER","STRINGBUILDER"); for (Survey survey : this.response.data) { String x= survey.getQuestion_survey(); Log.d("QUESTION",x); builder.append(String.format("<br>ID Survey: <b>%s</b><br> <br>Question: <b>%s</b><br> <br>Answer YES: <b>%s</b><br> <br>Answer NO: <b>%s</b><br><br><br>", survey.getId_survey(), survey.getQuestion_survey(),survey.getAnswer_yes(),survey.getAnswer_no())); } Log.d("OUT FOR","OUT"); capitalTextView.setText(Html.fromHtml(builder.toString())); progressDialog.cancel(); } HELLO Log is displayed. STRINGBUILDER Log is displayed. QUESTION Log is NOT displayed. OUT FOR Log is displayed. Survey Class: public class Survey { int id_survey; String question_survey; int answer_yes; int answer_no; public Survey() { this.id_survey = 0; this.question_survey = ""; this.answer_yes=0; this.answer_no=0; } public int getId_survey() { return id_survey; } public String getQuestion_survey() { return question_survey; } public int getAnswer_yes() { return answer_yes; } public int getAnswer_no() { return answer_no; } } Response Class: public class Response { ArrayList<Survey> data; public Response() { data = new ArrayList<Survey>(); } } Any help please concerning WHY the FOR loop is not executed. Thank you for helping.

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  • LogCat acting patchy

    - by OceanBlue
    The LogCat output in eclipse suddenly started weird. It sometimes shows all the output as expected. Other times it just doesn't show anything - is completely blank. After some internet research, I thought Mylyn plugin might be responsible. So I tried de-selecting "Mylyn Tasks UI" & "Mylyn Team UI" on eclipse Window -- Preferences -- General -- Startup and Shutdown -- programs that are started at startup. No Luck. Has anyone else encountered & solved this problem?

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  • animated swap position of two buttons

    - by Jagat
    I am trying to swap the position of two buttons. my swapping code looks as below. private void exchangeButtons(Button btn1, Button btn2) { // Create the animation set AnimationSet exchangeAnimation = new AnimationSet(true); TranslateAnimation translate = new TranslateAnimation( Animation.RELATIVE_TO_SELF, btn2.getLeft(), Animation.RELATIVE_TO_SELF, btn1.getLeft(), Animation.RELATIVE_TO_SELF, btn2.getRight(), Animation.RELATIVE_TO_SELF, btn1.getRight() ); translate.setDuration(500); exchangeAnimation.addAnimation(translate); // int fromX = btn1.getLeft(); // int fromY = btn1.getRight(); // int toX = btn2.getLeft(); // int toY = btn2.getRight(); Log.d("ArrangeMe", "view1 pos:" + btn1.getLeft() + ", " +btn1.getRight() + "view2 pos:" + btn2.getLeft() + ", " + btn2.getRight()); AnimationSet exchangeAnimation1 = new AnimationSet(true); TranslateAnimation translate1 = new TranslateAnimation( Animation.RELATIVE_TO_SELF, btn1.getLeft(), Animation.RELATIVE_TO_SELF, btn2.getLeft(), Animation.RELATIVE_TO_SELF, btn1.getRight(), Animation.RELATIVE_TO_SELF, btn2.getRight() ); translate1.setDuration(500); exchangeAnimation1.addAnimation(translate1); // EXECUTE btn1.startAnimation(exchangeAnimation); btn2.startAnimation(exchangeAnimation1); } I call the code as below exchangeButtons(button1, button2); my layout looks as below what happens when i execute the code is, instead of the buttons exchanging their positions, they just disappear for sometime[may be 500 ms] and reappear as they were originally. how to resolve this problem ? will it work properly in device ? regards

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  • Getting a nicely formatted timestamp without lots of overhead?

    - by Brad Hein
    In my app I have a textView which contains real-time messages from my app, as things happen, messages get printed to this text box. Each message is time-stamped with HH:MM:SS. Up to now, I had also been chasing what seemed to be a memory leak, but as it turns out, it's just my time-stamp formatting method (see below), It apparently produces thousands of objects that later get gc'd. For 1-10 messages per second, I was seeing 500k-2MB of garbage collected every second by the GC while this method was in place. After removing it, no more garbage problem (its back to a nice interval of about 30 seconds, and only a few k of junk typically) So I'm looking for a new, more lightweight method for producing a HH:MM:SS timestamp string :) Old code: /** * Returns a string containing the current time stamp. * @return - a string. */ public static String currentTimeStamp() { String ret = ""; Date d = new Date(); SimpleDateFormat timeStampFormatter = new SimpleDateFormat("hh:mm:ss"); ret = timeStampFormatter.format(d); return ret; }

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  • how to move scroll at the bottom of list Programmatically?

    - by UMMA
    dear friends, i after calling notifydatasetchanged(); i want to move scroll of list to the bottom of list so that user could see last record in the listview.actually i am writing Chat module so for that purpose i need latest record at the bottom of list. can any one guide me how to achieve this? any help would be appriciated.

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  • How can i know what TextView was clickbale?

    - by sgiro
    Hello, i have one doubt. I have an iteration of TextViews, and what i want is when i click in one TextView , i want stop the iteration and open a web, who can i know what TextView as been click on? i have this code: Iterator<TextView> it = text.iterator(); while(it.hasNext()){ test = it.next(); test.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { //mWebView = (WebView) findViewById(R.id.webview); mWebView.setWebViewClient(new WebViewClient() { @Override public boolean shouldOverrideUrlLoading(WebView view, String url) { view.loadUrl(url); return true; } }); mWebView.getSettings().setJavaScriptEnabled(true); mWebView.loadUrl(url); } }); // condition to stop the iteration when i click on TextView } And what i want is the condition to stop the iteration when i click on the TextView that i want see, i try using some methods that are in the TextView and don't work. Anyone can help me? I have the iteration of TextViews because i want to do this dynamic, and i don't know the TextView who as click, and i want to know what TextView was click to stop the iteration, because if i don't stop this, for example if i have 3 TextView they will open the same web. Thanks and forgive my English

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  • is it even possible to modify .apk, by adding additional class to .dex and re-packing with modified

    - by user355859
    is it even possible to modify .apk, by adding additional class to .dex and re-packing with modified manifest.xml?? I know there are tools such as baksmali / smali to disassemble / re-assemble given classes.dex from .apk, but not sure limitation what could be modified from there on? I'm trying to add additional activity, to modify starting launcher activity (may be from androidmanifest.xml) from original apk, then re-pack and sign to make complete single .apk... all need to be done out of build time, no raw source or build structure visible, only .apk as input... ANY IDEA?

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  • Enterprise Native Mobile Application Development

    - by ahsteele
    I tend to believe that developing mobile applications in an enterprise environment is best suited by developing intranet web applications. That said I have been asked to think about whether there are specific enterprise applications that could only be accomplished or would be more successful as native applications. I am curious as to what the Stack Overflow community thinks. Note: As an organization we primarily use BlackBerry devices but are other platform curious.

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  • Put an object in Handler message

    - by Tsimmi
    Hi! I need to download an image from the internet, in a different thread, and then send that image object in the handler message, to the UI thread. I already have this: ... Message msg = Message.obtain(); Bundle b = new Bundle(); b.putParcelable("MyObject", (Parcelable) object); msg.setData(b); handler.sendMessage(msg); And when I receive this message, I want to extract the object: ... public void handleMessage(Message msg) { super.handleMessage(msg); MyObject objectRcvd = (MyObject) msg.getData().getParcelable("IpTile"); addToCache(ipTile); mapView.invalidate(); } But this is giving me: ...java.lang.ClassCastException... Can anyone help? And by the way, is this the most efficient way to pass an object to the UI Thread? Thank you all!

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  • WITH_OBJECT_HEADERS enabled GC from Dalvik?

    - by Wonil
    Hello, As I know Dalvik VM does not support generational GC as default. But, I found "WITH_OBJECT_HEADERS" compilation flag which could be related with generational GC from HeapInternal.h file. typedef struct DvmHeapChunk { #if WITH_OBJECT_HEADERS u4 header; const Object *parent; const Object *parentOld; const Object *markFinger; const Object *markFingerOld; u2 birthGeneration; u2 markCount; u2 scanCount; u2 oldMarkGeneration; u2 markGeneration; u2 oldScanGeneration; u2 scanGeneration; #endif Does anyone try to build Dalvik with this option enabled? Do you know anything about generational GC support from Dalvik? Regards, Wonil.

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  • ListView Parsing Persian xml

    - by Namikaze Minato
    I used a tutorial about listview parsing xm from internet and using LasyAdapter shows the items in listview. When I add persian characters in xml (into one of childnodes) the result is some boxes in listview (after showing the text in listview). The format of xml is UTF-8, too. I used typeface too (but didn't work). Besides when I type Pwesian into the application it shows alright but it can't show Persiann content parsed from xml. Thanks in advance. I updated the post with original XMLparser (which was the problem). public String getXmlFromUrl(String url) { String xml = null; try { // defaultHttpClient DefaultHttpClient httpClient = new DefaultHttpClient(); HttpPost httpPost = new HttpPost(url); HttpResponse httpResponse = httpClient.execute(httpPost); HttpEntity httpEntity = httpResponse.getEntity(); xml = EntityUtils.toString(httpEntity); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } catch (ClientProtocolException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } // return XML return xml; } public Document getDomElement(String xml) { Document doc = null; DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); try { DocumentBuilder db = dbf.newDocumentBuilder(); InputSource is = new InputSource(); is.setCharacterStream(new StringReader(xml)); doc = db.parse(is); } catch (ParserConfigurationException e) { Log.e("Error: ", e.getMessage()); return null; } catch (SAXException e) { Log.e("Error: ", e.getMessage()); return null; } catch (IOException e) { Log.e("Error: ", e.getMessage()); return null; } return doc; }

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  • In registration form adding date dialogbox how can apply validation in system date in dialog ends

    - by narasimha
    hi i am implementing registration form adding date field then click icon to display date dialog window then limit date validation in system date below date only how can implement the validation protected Dialog onCreateDialog(int id) { Calendar c = Calendar.getInstance(); int cyear = c.get(Calendar.YEAR); int cmonth = c.get(Calendar.MONTH); int cday = c.get(Calendar.DAY_OF_MONTH); switch (id) { case DATE_DIALOG_ID: return new DatePickerDialog(this, mDateSetListener, cyear, cmonth, cday); } return null; } private DatePickerDialog.OnDateSetListener mDateSetListener = new DatePickerDialog.OnDateSetListener() { public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) { String date_selected = String.valueOf(monthOfYear+1)+" /"+String.valueOf(dayOfMonth)+" /"+String.valueOf(year); EditText birthday=(EditText) findViewById(R.id.EditTextBirthday); birthday.setText(date_selected); } }; public void onClick(View v) { if(v == b1) showDialog(DATE_DIALOG_ID); } } ** showing in system date in below dates only how can implemented some solution in running year to below years are display not incrementing above years this condition are appliying validations how can implemented ?

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  • Can I increase a buttons onclick-area programmatically?

    - by sandis
    Sometimes I have a button in my UI that it is so small that it is difficult to click. My solution so far has been to add a transparent border around the button in photoshop. Just increasing the padding on the button does not work, since this will also stretch the image. Since it is kind of a fuss to open photoshop each time I want to change the clickable surface, is there any way to do this programmatically? I have tried placing a framelayout behind the button and make it clickable, but then the button wont change appearance on touch as it should. Ofcourse I could also add a ontouchlistener on the framelayout which changes the buttons appearance, but then it quite some code if I have several of those buttons. Cheers,

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  • Setting spinners onResume doesn't work

    - by DixieFlatline
    Hello! I want to save text from 2 edittexts(et1,et2) and selection from 3 spinners(spinnerm,spinner and spinner2) onPause and setting them back onResume. Text from edittexts is saved correctly, only spinner selection don't work as desired. My code: public void onResume(){ super.onResume(); Log.d("REZUM","notr smo"); SharedPreferences seti = getSharedPreferences( "pavzica", MODE_PRIVATE); spinnerm.setSelection(seti.getInt("m", 0)); spinner.setSelection(seti.getInt("k", 0)); spinner2.setSelection(seti.getInt("p", 0)); et1.setText(seti.getString("zade", "")); et2.setText(seti.getString("Vseb", "")); } public void onPause() { shraniPolja(); super.onPause(); } public void shraniPolja() { SharedPreferences seti = getSharedPreferences( "pavzica", MODE_PRIVATE); SharedPreferences.Editor edito = seti.edit(); edito.putString("zade", et1.getText().toString()); edito.putString("Vseb", et2.getText().toString()); edito.putInt("m", spinnerm.getSelectedItemPosition()); edito.putInt("k", spinner.getSelectedItemPosition()); edito.putInt("p", spinner2.getSelectedItemPosition()); edito.putBoolean("b", true); edito.commit(); } What am i doing wrong?

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  • Virtual Keyboard doesn't appear when rotate the screen?

    - by user164589
    Hi guys. I am facing to a problem related virtual keyboard. I've created a layout that contains Button, TextView and EditText. When its screen orientation is Portrait, it can show the Virtual Keyboard by one touching on the EditText. Then I've changed screen orientation to Landscape. At this moment Virtual Keyboard hasn't been appeared. What is wrong here ? How to fix it ? I think this is big problem for my application. Please help. guys. Thanks.

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