Android :: Problem With Extends TabActivity

Apr 30, 2009

I have problem with extends TabActivity.

My code is:

CODE:.................

Android :: Problem with extends TabActivity


Android :: Run Method From Extends Activity Extends Runnable?

Jul 26, 2010

I'm trying to call a method from inside a Runnable that is running. It waits for a string to be entered and when it is then depending on the string (the strings act as commands) it calls a method and is supposed to run whats inside it. code...

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Android :: Does OnTouchEvent Has To Extends From MapView?

Jan 26, 2010

I want to catch any onTouchEvent() on the mapview. After search lots of questions&answers, I found only when I write my own MapView(MyMapView)and define onTouchEvent, then use this MyMapView in main activity.

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Android :: IconPreferenceScreen That Extends PreferenceScreen

Jul 28, 2010

I would like to have a Preferences activity that has icons like the system settings has had since Eclair. It uses a special Preference called IconPreferenceScreen.I can copy that into my project without problem, but I'd like the behavior of the PreferenceScreen instead of just the Preference Class. I could like to click on it to show its children Preferences. I thought it would be a easy to change to make IconPreferenceScreen extend PreferenceScreen instead of Preference, but PreferenceScreen is Final.Why on earth would google make PreferenceScreen a final class? Is there anyway to achieve what I would like to do, short of dividing up my Preference into several other Preferences that all receive intents (That's how the system settings works.)

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Android :: Extends APIs With Other .jar File?

Jul 8, 2010

I work with Eclipse and implement some applications using the Android Emulator.

I'd like to know: Is it possible to extend Android APIs with other .jar file?

If it's possible, how can I extend the APIs?

I just have to add libraries to the project or do I copy it to the $ANDROID_HOME/platforms/android-8/tools/lib

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Android :: Dynamic ListView Extends Activity

Sep 26, 2010

Is there anyway I can create a dynamically filled ListView when the class does not extend ListActivity?

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Android :: Example To Use Class SingleLaunchActivityTestCase <T Extends Activity>?

Aug 2, 2010

I am quite new to Android and Java
I am looking for example of how to use this class:

SingleLaunchActivityTestCase

Till now I am using class InstrumentationTestCase but the problem is that for each launched test case Android calling onSetup() and TearDown()

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Android :: Add MyView - Extends View - To ScrollView?

Apr 15, 2009

I have a problem about ScrollView

I want add myView(extends View) to the ScrollView, myView i will draw something, image or text, but when i create myView and add it in the scrollView ,but get the Height = 0 onSizeChanged(), i don't know why?

(1) myActivity

CODE:........

(2) HistoryTextView

CODE:...................

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Android :: Can Use GetCacheDir Only In Class That Extends Activity?

Jun 19, 2010

Can I use getCacheDir() only in a class that extends Activity? I would like to use it in an AsyncTask so that I can do the time intensive cache file saving in it.

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Android - Open New Activity From Extends Framelayout

Sep 23, 2012

I'm doing that sample: [URL] ....

I want to change at this line

public void onClick(View v) {layout.setVisibility(GONE);}
to
public void onClick(View v) {
Intent myIntentopen = new Intent(MainActivityold.class, MainActivitynew.class);
startActivity(myIntentopen);
}

but it dosn't work.

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Android :: When Extends MapActivity Class It Shows An Error

Feb 17, 2010

When i extends the MapActivity class it shows an error.

error is: cant resolved datatype. why?

How to add a maps.jar in my project?

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Android :: Place An ImageView In A Class That Extends View?

Sep 30, 2010

Is it possible to place an imageView in a class that extends View in android?
If possible please give me a sample code.

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Android : Layout - Content Extends Over The Visible Area

Dec 27, 2009

Currently I'm working on a dialog which consists of title, description, tags and footer. The title can be long and in this case the text should automatically be displayed in multiple lines. The description is also longer and should fill multiple lines.

At the bottom of the dialog has to be the footer (also if the title and description don't fill whole screen).
I tried to do create the layout described about but had a problem with long text - if the content is long it doesn't display multiple lines but extends main view (LinearView) so the content extends over the visible area.

Here I'm pasting the print screen of the current state and the mockup of the desired layout:

TextView "Footer" and buttons OK and Cancel should appear at the bottom of the screen and the title ("Title Title Title...) and description text should automatically appear in multiple lines instead of extending the parent view.

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Android :: Simple Program - Class Extends Activity At Startup

Oct 1, 2010

I have a simple activity program in android. Basically the class just extends Activity.
But when I start it I get a ClassCastException in the constructor of my class. I don't even have a constructor defined, so it must be in the constructor of the superclass which is Activity. Unfortunately the debugger doesn't give any detailed information on what class it is trying to cast. Here is the stacktrace:

Thread [<1> main] (Suspended (exception RuntimeException))
ActivityThread$PackageInfo.makeApplication(boolean, Instrumentation) line: 649
ActivityThread.handleBindApplication(ActivityThread$AppBindData) line: 4232
ActivityThread.access$3000(ActivityThread, ActivityThread$AppBindData) line: 125
ActivityThread$H.handleMessage(Message) line: 2071
ActivityThread$H(Handler).dispatchMessage(Message) line: 99
Looper.loop() line: 123
ActivityThread.main(String[]) line: 4627
Method.invokeNative(Object, Object[], Class, Class[], Class, int, boolean) line: not available [native method]
Method.invoke(Object, Object...) line: 521
ZygoteInit$MethodAndArgsCaller.run() line: 868
ZygoteInit.main(String[]) line: 626
NativeStart.main(String[]) line: not available [native method]

And when I look into this runtimeexception I get:

detailMessage "Unable to instantiate application com.test.MyApp: java.lang.ClassCastException: com.test.MyApp" (id=830067694464)
The only code is:
package com.test;
import android.app.Activity;
public class MyApp extends Activity {
}

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Android :: Speed Up Launch Of Activity Containing Mapview And Extends MapviewActivity?

Nov 12, 2010

I have an app which contains an activity which is a MapviewActivity and is mostly a mapview.
However I have noticed that the start up time of the activity is really slow and causes a lag from the moment the button is pressed to go in to the map activity. I feel this creates a bad user experience and would like to avoid this.
I have already set the background of the map activity to @null as suggested by one of the UI improvement articles on googles developer page. Which I fell does not do the trick.

Is there a way to improve this? I would not like the main home screen to get stuck on the launch of the activity, even a transfer to the map activity and then loading the mapview would be better.

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Android :: Listview Not Supporting If List Extends Screen Size

Oct 20, 2010

I created a list view in an activity and the list shows some fields.When we click a list item a custom dialog should pop up and the user can enter some new value to this field.The custom dialog contains one edit text and two buttons ok and cancel.It is working fine.But when my list is more that means if it exceeds screen size it is showing scroll.But when we select bottom items which we can select using scroll the dialog is appearing in normal fashion.But after entering new value if i am trying to save the application is getting crashed.

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Android : Unable To Use Shared Preference Within Class Extends View

Jul 28, 2010

I am getting an error , when I try to access the shared preference from within class that extends View.

The Error : "The method getSharedPreferences(String, int) is undefined for the type ViewforRed" , where ViewforRed is my class: Here is the sample code...

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Android :: ViewFlipper Not Working Inside A Class Which Extends LinearLayout / Reason Of It?

Apr 22, 2010

When I tried to create a ViewFlipper inside a class which extends LinearLayout, its throwing an exception

"java.lang.RuntimeException: Can't create handler inside thread that has not called Looper.prepare()".

I am creating the ViewFlipper using,

ViewFlipper flipper = new ViewFlipper(ctContext);

But when I create the ViewFlipper in a class which extends Activity, its working normally. What may the reason?

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Android :: Use Custom Color For Each Textview In Listview That Extends SimpleAdapter In Droid?

May 31, 2010

I have a listview with custom rows and that extends SimpleAdapter.
Each row consist of two linear layouts : 1st having two textviews of which one is hidden in horizontal orientation, second having two textviews in horizontal orientation.
Now depending on the value in hidden textview , I want to setcolor for the remaining items for the row.
To put it as simple:
each listview item has some custom colors the value of which comes from the hidden field.

I have done this by overriding getview() for the simpleadapter and returning view for each, but this makes list very slow to render (and that I think is obvious as so much of work for each view before showing it).

Can I do this in some more efficient way ? like making views and then add up to list instead of using xml layout maybe one solution OR any other?

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Android :: Public Class Preference Extends Activity - Null Pointer Exception

Jun 19, 2010

My app crashes with a null pointer exception on the code below. I have an xml preference file under res/xml/defaults.xml
public class Preference extends Activity {
public Preference() {
} public String getPreference(String key)
{ //it still crashes here
SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(this.getApplicationContext());
String result = settings.getString(key, null); return result;
} }

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Android :: Add Footer In TabActivity

Jun 15, 2009

I created a TabActivity with contains 3 tabs. Each tab's content sets different Intents.I would like to add a "footer" wich will appear on each tab. So I get TabActivity's FrameLayout and add it my footer view.Is it possbile to define where place the footer (with an attribute like AT_BOTTOM)? So contentTab dimensions are calculated according to this footer.

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Android :: AlertDialog Within TabActivity

Oct 12, 2010

I have a TabActivity with 3 tabs. Each tab contains its own Activity. When one of the contained Activities pops up an AlertDialog, there are actually 3 dialogs created. The dialog has a Dismiss button and it must be pressed 3 times to finally dismiss the 3rd dialog.

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Android :: Returning Value From TabActivity

Oct 1, 2009

How can I return a value from TabActivity? It seems that the return value from tab pages vanishes and the caller always receives RESULT_CANCELED instead of RESULT_OK.

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Android :: TabActivity Customization / How Is Possible

Aug 18, 2009

More of a TabWidget question I guess really...

I would've tried to send a screenshot for this query if I could, but i'll try and explain.

I have 3 Tabs, each showing a separate Activity. Underneath those tabs (and above the activity display), I want to display a header. This header would probably be a Layout of some sort with a TextView inside it and a background 9patch.

Is this possible, if so how?

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Android :: TabActivity And ListActivity?

Feb 2, 2010

I am having a problem.I want to explain in detail. 1)I am Having an TabActivity with 5 tabs. I loaded content as follows.

CODE:............

And the Problem is If i want to start activity which is not specified in tabhost in above Java code,it is going out of tabactivity. ie.,It is not coming in tabactivity.

2)But i want to have all the activities under tabActivity.

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Android :: AsynQueryHandler In TabActivity

Aug 12, 2010

I create a TabActivity from Several ListActivities.

The lists are created from a cursor load in a AsyncQueryHandler. I have got no problem to load the content of the list.

After that I run an insert in the AsyncQueryHandler, and I meet the following error. The insert is done by the listActivity.

If I run my listActivity individually and that I do my insert, everything is find. Do know why ?

CODE:.......................

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Android :: Getting The TabActivity To Work?

Mar 26, 2010

I'm having some difficulties getting the TabActivity to work.

Here's the implementation of the class:

CODE:..........

The problem is that I call this class from my main activity (which is a MapActivity if it matters) and when I do the TabActivity doesn't show. It registers the click on the option menu and it even starts the intent but the screen doesn't change..it just stays on the main activity and i see in the logs that the main activity gets resumed.

I call it like this:

CODE:...............

Like I said...there are no errors (the classes called from the tabs exist of course), just no actions. I put some log commands into the onCreate function in the tabactivity (as you see) and they all get written into the log...I have no idea what I'm doing wrong here.

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Android :: TabActivity With Scroll?

Dec 7, 2009

I'm working on Android v1.5. I want to use a TabActivity with 6 or 7 or more tabs. However, I do not want to clutter my screen with so many tabs together. Hence, I'd like to be able to show, say, 3 tabs on the screen, and to be able to scroll to the other tabs. How may I achieve this? I could not find any example for this by Googling.

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Android :: TabActivity And StartAcitivtyForResult

Apr 13, 2010

Can I make TabActivity start it's childs activities for result? I need it because I can't make result code from a tab to propagate all the way up in the chain (it's reset in the TabActivity)

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Android :: TabActivity - Refreshing ?

Aug 18, 2009

I have a TabActivity based class which has 3 tabs. All are ListActivities (but that's not important for this problem)

I'm updating the TabHost's TabSpec's to change the text on the tabs. This works fine and the ListActivities display correctly.

Iater on the execution flow I need to update the Text on the tabs from "Current Text" to "Current Text (3)", for example. I update the TabSpec.setIndicator() with the new text, and attempt to call invalidate() on the TabWidget (and all it's children). But the tab text refuses to update!

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