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• how to maintain a Home Button Presistent state of an app in Android?

  - by androidbase Praveen

  hi all, i am working on my App. in between i pressed the Home button on the device. my app will go to the background tasks. After that i long press the home button it will show my app as a persistent state. i.e where and what i had done in my app. But i click my app in the directory window it restarts my app. i want to do if my app is in the background tasks it will wake up else it will start. how to achieve that? Any Idea?

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• what is Regex pattern for html tag in java or android ?

  - by androidbase

  i have this tag as input tag: <a href="controller.jsp?sid=127490C88DB5&R=35144" class="11-link-dkred-bold"><b>Mr. John Q. Anderson&nbsp;&nbsp;&nbsp;MBA 1977 E</a> in this i want get the value Mr. John Q. Anderson   MBA 1977 E wat is patten value for this in regex?

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• ProgressBar between to activities in android?

  - by androidbase Praveen

  when click the grid item, i want to show a progressbar between the time of next Activity shown. then the second activity has a custom listview. there also i want to show a progressbar. how to do that?

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• how to load an imageview with url of that image in android?

  - by androidbase Praveen

  for example i have an image's url: http://java.sogeti.nl/JavaBlog/wp-content/uploads/2009/04/android_icon_256.png i want to load this link image into my imageview in my project.how?

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• how to handle the visibility of the ItemizedOverlay in mapview in android?

  - by androidbase Praveen

  i want set the visibility to itemized overlay in map view. if the zoom level is less than 10 i want to set visibility of overlay is GONE else VISIBLE. how to do that?

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• how to swap to variables without temporary variable within two steps ?

  - by androidbase Praveen

  how to swap to variables without temporary variable within two steps in java?

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• how to set the tabs in the bottom of the screen in android?

  - by androidbase

  hi all, i am working on tabactivity. i wanna show my tabwidget below the tabcontent(framelayout). i done it by setting the tabwiget tab attribute as android:gravity="bottom" but the framelayout cant align with those tabs. that is the tabs are shown at the bottom of the screen and overlap the framelayout how to do that? if set some height value to the framelayout it not optimized for all screens of android. what can i do? any idea???

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• difference between StandBy and Hibernate in windowsXp?

  - by androidbase Praveen

  what is the difference between standby and hibernate? when i put my laptop as standby when the power is plugged there is no problem to resume. when the power is unplugged my system will dumped. i want to do illegal shutdown(holding power button) and the switch it on.? why?

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• callback in android?

  - by androidbase Praveen

  in android application development, i frequently go through the word "CALLBACK" in many places. i want to know want it means to tell us technically. and how i can manage the callback of the applications. i would need a guidance to understand about it....

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• how to import files into the sdcard on emulator in android?

  - by androidbase Praveen

  hi all, i want to load some photos into my sd card image in the emulator. how to do this by command prompt.how to do that?

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• how to check the first time user of my App in android?

  - by androidbase Praveen

  hi all, In my App, first it shows a splash screen. after that another activity, then my main activity must be show. this is my design plan. the second activity(i.e before main activity) must be show for the first time user of the app. if he/she closes the app.splash screen will redirect to main activity automatically. how to do this ? Any Idea? i am developing my app for android phones.

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• what is the kind of spaces in java?

  - by androidbase Praveen

  what is difference of below operators for spaces? \t, \n, \x0B, \f and \r.

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• can we check multiple patterns using regex in java?

  - by androidbase

  i want to check 2 patterns using regex. can i check those both patterns in the same time (like if(condition1 | condition2) condition). any idea?

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• NSData means what? how to implements its characterstics in java?

  - by androidbase

  NSData means what? how to implements its characterstics in java?

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• does iterator come under collections in java?

  - by androidbase Praveen

  the iterator is a collection or a kind of control statement use. define plz.

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• difference between serialization and synchronization in java?

  - by androidbase Praveen

  what is the difference between serialization and synchronization in java? explain or need tutorial plz.

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• gridview selector in android. how???

  - by androidbase Praveen

  i am having a gridview. when i select it, the selector(orange color) will shows like square. i want to set that as rounded corners. how to do that?

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• how to set the list view header in android?

  - by androidbase

  i want to set header view in listview to differtiate the items in it. any idea or samples???

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• what is the difference between String and StringBuffer in java?

  - by androidbase

  what is the difference between String and StringBuffer in java? is there maximum size for String?

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• What is an iterator in Java?

  - by androidbase Praveen

  the iterator is a collection or a kind of control statement use. define plz.

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• does java have an in-built Antivirus? is it true?

  - by androidbase Praveen

  Does the Java have an in-built antivirus? One of my friends told me there is in the JDK itself - it's called the "sandbox". Is it true?

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• do we want set permission to access the server in Androidmanifest file?

  - by androidbase

  do we want set permission to access the server with username password authendication in Androidmanifest file?

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