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  • How do I insert this subclass into my code?

    - by BamsBamx
    This is a very noob question so I hope you can help me with this... This is my built code: public class PantallaOpciones extends PreferenceActivity { private SharedPreferences preferences; @Override public void onCreate(Bundle savedInstanceState) { preferences = PreferenceManager.getDefaultSharedPreferences(this); findPreference("speechkeycode").setOnPreferenceClickListener(keycodedialog); Preference.OnPreferenceClickListener keycodedialog = new Preference.OnPreferenceClickListener(){ public boolean onPreferenceClick(Preference preference){ keycodedialog(); return false; }}; } private void keycodedialog(){ final Dialog dialog = new Dialog(this); dialog.setContentView(R.layout.keycodedialog); dialog.setTitle("Speech keycode"); final TextView keypresstext = (TextView) findViewById(R.id.keypresstext); Button savekeycode = (Button) dialog.findViewById(R.id.btnsavekeycode); savekeycode.setOnClickListener(new OnClickListener() { public void onClick(View v) { dialog.dismiss(); } }); Button resetkeycode = (Button) dialog.findViewById(R.id.btnresetvalue); resetkeycode.setOnClickListener(new OnClickListener() { public void onClick(View v) { dialog.dismiss(); } }); dialog.show(); } Okay, now I want to add this code to dialog: public boolean onKeyDown(int keyCode, KeyEvent event) { //SOME STUFF return super.onKeyDown(keyCode, event); } So I want to listen to a keypress when dialog is opened and show the keycode of hardware press by using textview.settext()... The question is: how do I insert public boolean onKeyDown into the dialog??? Thanks in advance!! :)

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  • Save as Ringtone from ContextMenu

    - by kostas_menu
    I have created a button that onClick plays a mp3 file.I have also create a context menu that when you press the button for 2 secs it prompts you to save it as ringtone.How can i save it somewhere in my sd?this is my code: public void onCreate(Bundle icicle) { super.onCreate(icicle); setContentView(R.layout.main); Toast.makeText(a.this, "Touch and listen", Toast.LENGTH_SHORT).show(); Button button = (Button) findViewById(R.id.btn1); registerForContextMenu(button); button.setOnClickListener(new View.OnClickListener() { public void onClick(View v){ MediaPlayer mp = MediaPlayer.create(a.this, R.raw.myalo); mp.start(); Toast.makeText(a.this, "Eisai sto myalo", Toast.LENGTH_SHORT).show(); } }); @Override public void onCreateContextMenu(ContextMenu menu, View v,ContextMenuInfo menuInfo) { super.onCreateContextMenu(menu, v, menuInfo); menu.setHeaderTitle("Save As:"); menu.add(0, v.getId(), 0, "Ringtone"); } @Override public boolean onContextItemSelected(MenuItem item) { if(item.getTitle()=="Ringtone"){function1(item.getItemId());} else {return false;} return true; } public void function1(int id){ Toast.makeText(this, "Ringtone Saved", Toast.LENGTH_SHORT).show(); } }

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  • Is it a good practice to create a reference to application context and use it anywhere?

    - by kknight
    I have to use context in many places of my code such as database operations, preference operations, etc. I don't want to pass in context for every method. Is it a good practice to create a reference to application context at the main Activity and use it anywhere such as database operations? So, I don't need some many context in method parameters, and the code can avoid position memory leak due to use of Activity Context. public class MainActivity extends Activity { public static Context s_appContext; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); s_appContext = this.getApplicationContext();

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  • Focus problem with multiple EditText's.

    - by Ashish
    I have an activity with two edittext controls. I am calling the requestFocus on the second edittext field since by default the focus goes to the first edittext control. The focus appears to be in the second edittext field (the second one gets the highlighted border), but if we try to enter any characters using the hardware keyboard the text appears in the first edittext control. Any ideas why it would be happening?

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  • Force Tab Activity creation?

    - by Daniel
    I have a TabHost and several tabs added to it. Problem: The activities on these tabs are not created until the tab is pressed. My tabhost is broadcasting intents but my broadcast receivers are not registered until onCreate in my tab activities is called. Is there any way to force activity creation? Maybe my tabhost can call setCurrentTab and switch back to main tab(0), but is that really the best option available?

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  • A Surface view and a canvas to move Bitmap

    - by John Apple Sim
    I have a SurfaceView and I want the Bitmap Logo inside it in the canvas to be movable What I'm doing wrong ? static float x, y; Bitmap logo; SurfaceView ss = (SurfaceView) findViewById(R.id.svSS); logo = BitmapFactory.decodeResource(getResources(), R.drawable.logo); x = 40; y = 415; ss.setOnTouchListener(new View.OnTouchListener() { @Override public boolean onTouch(View v, MotionEvent me) { try { Thread.sleep(50); } catch (InterruptedException e) { e.printStackTrace(); } switch(me.getAction()) { case MotionEvent.ACTION_DOWN: x = me.getX(); y = me.getY(); break; case MotionEvent.ACTION_UP: x = me.getX(); y = me.getY(); break; case MotionEvent.ACTION_MOVE: x = me.getX(); y = me.getY(); break; } return true; } }); public class OurView extends SurfaceView implements Runnable{ Thread t = null; SurfaceHolder holder; boolean isItOK = false; public OurView(Context context) { super(context); holder = getHolder(); } public void run (){ while (isItOK == true){ //canvas DRAWING if (!holder.getSurface().isValid()){ continue; } Canvas c = holder.lockCanvas(); c.drawARGB(255, 200, 100, 100); c.drawBitmap(logo, x,y,null); holder.unlockCanvasAndPost(c); } } public void pause(){ isItOK = false; while(true){ try { t.join(); } catch (InterruptedException e) { e.printStackTrace(); } break; } t = null; } public void resume(){ isItOK = true; t = new Thread(this); t.start(); } } Now the surface view is just black .. nothing happens also its not colored 200, 100, 100

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  • OnClickListener on Tabs not working

    - by Aracos
    Greetings, I am trying to get the Click - event when clicking on the currently selected tab of my TabActivity. The onTabChangedHandler is only called whenever the tab is changed, not if the currently active Tab is clicked. The debugger tells me i have the onClickListener Registered for the TabWidget within my TabHost. Am i registering for the wrong View? Also, I am unable to create a Context Menu for the Tabs, only for its content, is this problem related? public class TestDroidViewTab extends TabActivity implements TabContentFactory , OnTabChangeListener, OnClickListener { private static final String LOG_KEY = "TEST"; ListView listView; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); final TabHost tabHost = getTabHost(); TabHost.TabSpec ts = tabHost.newTabSpec("ID_1"); ts.setIndicator("1"); ts.setContent(this); tabHost.addTab(ts); ts = tabHost.newTabSpec("ID_2"); ts.setIndicator("2"); ts.setContent(this); tabHost.addTab(ts); ts = tabHost.newTabSpec("ID_3"); ts.setIndicator("3"); ts.setContent(this); tabHost.addTab(ts); tabHost.setOnClickListener(this); tabHost.setOnTabChangedListener(this); } public void onClick(View v) { Log.d(LOG_KEY, "OnClick"); } public void onTabChanged(String tabId) { Log.d(LOG_KEY, "OnTabChanged"); }

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  • Efficiently using position to control actions

    - by John Ashmore
    I want to use position (returned from a gridview for e.g.) or a similar numeric integer to do various things, e.g. create a sprite, or in any command that wants something other than a number, e.g. I want to use something like: sprites.add(createSprite(R.drawable.image(position)); , where createSprite creates a sprite using the image supplied, instead of: if (position == 1) {sprites.add(createSprite(R.drawable.image1);} if (position == 2) {sprites.add(createSprite(R.drawable.image2);} ...etc There is an easy solution for strings: Most efficient method to use position to open a .java but what about for situations like this one?

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  • some fields of "content//sms/"

    - by soclose
    Hi, I query "content//sms/" and don't know what some fields are. They are - Thread ID Protocol Status Reply_Path_Present Service_Center I check them in LogCat. I find them like below Thread ID : 1 to 6 etc.. Protocol : null / 0 Status : -1 Reply_Path_Present : null / 0 Service_Center : null Please tell me what they are.

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  • How to stop an activity with GL view. Application not responding

    - by David
    I have an activity that I want to programmatically stop after some elapsed time. I have a GL view running. My understanding is that the GLSurfaceView.renderer is running in its own thread, so I created a handler instantiated from the activity. In the GLSurfaceView I post a message. The handler then attempts to stop the activity with the following: onStop(); finish(); The activity seems to close. However, if I try to restart the application, I get a blank screen, the phone is practically locked up and eventually I get a message that the activity in the application is not responding. I'm also getting geting a wake lock, ie PowerManager.newWakeLock(...). When I try to release it, I get an exception. Not sure if its the GL view of the wake lock which is causing me troubles. Any ideas appreciated.

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  • Problem with ArrayList

    - by Houssem
    Hello, I'm reading an xml file from resources, that file contains a list of travel agencies location and adresses and i'm trying to put this list after parsing in an arraylist to use it with maps. So each time I use agencies.add(agency) it adds it to the array but also changes all previous items with the new value. Here's my code if someone can help or explain : public class Main extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); TextView myXmlContent = (TextView)findViewById(R.id.my_xml); String stringXmlContent; try { stringXmlContent = getEventsFromAnXML(this); myXmlContent.setText(stringXmlContent); } catch (XmlPullParserException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } boolean na=false; List<Agency> agencies = new ArrayList(); Agency agency=new Agency(); int i=0; private String getEventsFromAnXML(Activity activity) throws XmlPullParserException, IOException { StringBuffer stringBuffer = new StringBuffer(); Resources res = activity.getResources(); XmlResourceParser xpp = res.getXml(R.xml.hotels); xpp.next(); int eventType = xpp.getEventType(); while (eventType != XmlPullParser.END_DOCUMENT) { if(eventType == XmlPullParser.START_DOCUMENT) { stringBuffer.append("--- Start XML ---"); } else if(eventType == XmlPullParser.START_TAG) { if (xpp.getName().equals("DataBase")){ agency.ResetTsp(); String name=xpp.getAttributeValue(null, "name"); agency.setTspTitle(name); na=true; stringBuffer.append("\nAgence : "+ name); } if (xpp.getName().equals("Title")){ xpp.next(); agency.setTitle(xpp.getText()); stringBuffer.append("\nFiliale: "+xpp.getText()); xpp.nextTag(); } if (xpp.getName().equals("Address")){ xpp.next(); agency.setAddress(xpp.getText()); stringBuffer.append("\nAdresse: "+xpp.getText()); xpp.nextTag(); } if (xpp.getName().equals("Phone") && na==true){ xpp.next(); agency.setTspPhone(xpp.getText()); stringBuffer.append("\nPhone: "+xpp.getText()); xpp.nextTag(); }else{ if (xpp.getName().equals("Phone") && na==false){ xpp.next(); agency.setPhone(xpp.getText()); stringBuffer.append("\nPhone: "+xpp.getText()); xpp.nextTag(); } } if (xpp.getName().equals("Fax")){ xpp.next(); agency.setFax(xpp.getText()); stringBuffer.append("\nFax: "+xpp.getText()); xpp.nextTag(); } if (xpp.getName().equals("e-Mail")){ xpp.next(); agency.setMail(xpp.getText()); stringBuffer.append("\ne-Mail: "+xpp.getText()); xpp.nextTag(); } if (xpp.getName().equals("Latitude")){ xpp.next(); agency.setLatitude(Double.parseDouble(xpp.getText())); stringBuffer.append("\nLatitude: "+xpp.getText()); xpp.nextTag(); } if (xpp.getName().equals("Longitude")){ xpp.next(); agency.setLongitude(Double.parseDouble(xpp.getText())); stringBuffer.append("\nLongitude: "+xpp.getText()); } } else if(eventType == XmlPullParser.END_TAG) { if (xpp.getName().equals("DataBase") || xpp.getName().equals("Agency")){ agencies.add(i,agency); i=i+1; Agency agency = new Agency(); } } eventType = xpp.next(); } stringBuffer.append("\n--- End XML ---"); return stringBuffer.toString(); } } thank you

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  • Emulate back button in multi-view TabActivity

    - by ZelluX
    Hi, all I have a TabActivity with several tabs. Each tab corresponds to a specific view, and those views may further switch to other views. For example, one of my tabs displays RSS feed list, after user clicks one of the RSS feed, it will switch to a view displaying a list of articles, and after user clicks one of the titles, a full article view will be displayed. I'm going to add support for "back" button in my application. For instance, in a full article view, after user presses the "back" button, it should switch back to the article list view. And if user presses it the "back" button again, my application should switch back to the feed list view. My idea is to maintain a Stack<View> during navigation, and every time user presses the "back" button, the program will pop a View out of the stack, and set it as the current view. But I would like to know how to set current view in TabHost. Many thanks.

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  • Java - 'continue' loop iteration after certain timeout period

    - by Matt
    Is there a way to exit ('continue;') a loop iteration after a certain timeout period? I have a loop that will run gathering data from the web and then use this data to make a calculation. The data become obsolete after about 1 to 2 seconds so if the loop iteration takes longer than 1 second then i want it to 'continue' to the next iteration. Sometimes gathering the data can take time but sometimes the calculation can take longer than 1 second so a HTTP timeout won't work for what i need. Also, while doing the calculation the thread i am using is blocked so i cannot check System.currentTimeMillis(); Is there a way to use another Thread to check the time and force the original for loop to continue.

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  • Button.setOnClickListener doesn't work?

    - by user164589
    Hi guys, I am trying to make a button using programmable way. My code is : Button mybutton = new Button(this); mybutton.setText("My Button"); linearLayout.addView(mybutton, 3); mybutton.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { Log.println(Log.ERROR, "MyApp", "Clicked on the button."); } }); But its setOnClickListener doesn't work. What is wrong for me ? Please help. Thanks.

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  • How do you make sure your pakcet is delivered to right client using public ip address

    - by TemporaryNickName
    So private IP addresses are 192.168.00 ~ 192.168.255.255 or 10.0.0.0 or 172.16.0.0 ~ 172.31.255.255 If I accepted a client to my serversocket, I can get the client's remoteIp address by using socket.getremotesocketaddress(); But I suspect the IP address that I'm getting from this method is only the public IP address and it must have more than one client using same public IP as this one (one like you see when you go on to the website www.whatismyip.com). So if I want to make sure that my packet is delivered to the right person using some IP address or otherthing that uniquely identifies a person, what should I have to do?

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  • AlertDialog not showing two buttons.

    - by jfalexvijay
    Hi AlertDialog not showing send button. Below is the code. Please tell me what mistake I have made in my code. protected Dialog onCreateDialog(int id) { final AlertDialog.Builder dialog = new AlertDialog.Builder(this); dialog.setMessage("Enter Holla message"); EditText hollaMessage = new EditText(this); dialog.setView(hollaMessage); dialog.setCancelable(false); dialog.setPositiveButton("Send", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { List result = new ArrayList(); } }); dialog.setPositiveButton("Cancel", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { dismissDialog(0); } }); AlertDialog alert = dialog.create(); return alert; }

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  • OnTouchEvent in a MapItemizedOverlay

    - by Danilo
    Hi, newbie here ... I have a MapView with a MapItemizedOverlay, like this : Drawable drawable = this.getResources().getDrawable(R.drawable.androidmarker); itemizedOverlay = new MapItemizedOverlay(drawable); OverlayItem overlayitem = new OverlayItem(p, "", ""); itemizedOverlay.addOverlay(overlayitem); mapOverlays.add(itemizedOverlay); I want to know when the user touches the AndroiMarker, so I can show some info about that specific place. How do I do that ? Tks in advance!

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  • how to get series of pictures?

    - by rmaster
    i have problems with this, recently i have also problem with just taking 1 photo... do you know how to solve it? any working code? i'm doing it like that: mCamera = Camera.open(); Log.e(TAG, "onCreate"); mCamera.takePicture(null, mPictureCallback, mPictureCallback); Camera.PictureCallback mPictureCallback = new Camera.PictureCallback() { public void onPictureTaken(byte[] imageData, Camera c) { if (imageData != null) { //process photo } } }; in onDestroy() i release the camera on simulator it works, on telephone - 1st time runs without problems but no picture, second and next times - 'force close' - looks like camera is not released ...

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  • custom ListView --Null pointer exception

    - by raghs
    this code throws a Null pointer exception. It was thrown by getChildAt(i). The getCount() returns the number of items in listView. But getChildAt(i) returns only if item is present in current list view. For example in a scrollable list view assume that there are 20 items. The getCount() returns 20. But getChildAt(20) returns null. Because it doesnot fit in listview. How to solve this problem?? int i,j=object.getCount(); View v=getListView(); CheckBox chk=null; for(i=0;i<j;i++) { chk=((CheckBox)((ViewGroup) v).getChildAt(i).findViewById(R.id.checkBox1)); if(chk.isChecked()) { //download the contents to specific folder in sd card } }

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  • Notify a content resolver when normal sql insert or update

    - by user1400538
    I have created a small content provider (which I only use to query a db table and fetch some value). I have confirmed that the provider works fine. The table values get updated on a regular basis through normal sql insertions(and not through anycontent provider) Whenever an insert/update or delete occurs through a normal sqlite operation as mentioned above, I need to notify the content resolvers which was written to communicate with the content provider just for quering database and fetch some values. Is this, possible? If yes what need to be done? Any help is appreciated.

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  • How to use custom font with Webview

    - by user164542
    Now i want to display some unicode characters and i have used tag: something herer . But it seems that webview can not find the Arial font because i can only see UFO - Characters . Do i have to copy arial.ttf to somewhere or how can i use this true- type-font with webview? Thanks.

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  • Vibration after regular intervals

    - by umar
    I have a beep system which gives you four beeps. One beep after a second for one second. However If its silent mode i want the vibrator to do the same, vibrate for 1 second 4 times after 1 second. This is the code I am using long[] pattern = new long[2]; pattern[0] = 10; pattern [1] = 30; switch (am.getRingerMode()) { case AudioManager.RINGER_MODE_VIBRATE: vibe.vibrate(pattern, 0); break; case AudioManager.RINGER_MODE_NORMAL: soundsOn(mp); break; Kindly how can i do what i want to do Best Regards

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