Android :: Tabs - Starting A New Activity

Dec 31, 2009

I have 4 Tabs in a TabHost...let them be A,B,C,D.... now each one is just an index page and clicking on any of them shows a different activity...

The problem is that i need to start another activity wen user selects something from the content displayed in the tab... The other activity should also be displayed in the parent tab itself... is it by any chance possible or i'll have to try some other way around?

Android :: tabs - starting a new activity


Android :: Starting Activity With Tabs

May 7, 2010

I have four activity in a Tab and after the user clicked on the list I would like to start another one activity, but I can't use startActivity(Intent), because then I lost the TabHost view, and I get an activity witch is reserving the full screen:( So the user won't be able to click on the other tabs. What should I use? BroadCastReciver or What? If anyone have any good idea please help on me.

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Android :: Tabs Layout - Tab Activity With 4 Tabs

Nov 11, 2010

I have an Tab Activity with 4 tabs. Each of tab is showing me the list view. Suppose i m on 4th tab and dragged the list view to the last position and after that i click on 3rd tab and again when i go to 4th tab it is not refreshing and showing me the last visible screen. Actually i want to show the list view again from 1st element. is tabs refresh automatically or we need to do it programmatic?

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Android :: Starting Second Activity From Main Activity On Button Click

Dec 4, 2009

Need an example of how to create/start a new activity from the main activity. I have a button click event on the main layout. Originally I just used setContentView(R.layout.secondactivity); which brings up the layout but I don't think that is correct since the secondactivity class is not instantiated at this point yet. I have looked for such an example and can not find one.

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Android :: Starting Map Activity From Normal Activity

Apr 25, 2010

I have a map app which works fine when its stand alone but it causes an unexpected error when I try to add it as part of another app. My current app which extends Activity tries to launch the map activity with the following lines of code Intent m = new Intent(this, HomeSetter.class); startActivity(m); I also have the xml setup correctly <activity android:name=".HomeSetter" android:label="Screen 4"> </activity> <uses-library android:name="com.google.android.maps" /> </application> However when I try to launch it crashes everytime. I've tried searching the net but I've had no joy in finding a solution You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscribe @googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en

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Android :: Starting Activity Behind Current Activity

Oct 2, 2009

startActivity() displays the new Activity on top of the current one. But how to display it underneath instead? BTW, I'm starting an Activity from another application, if that makes a difference.

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Android :: Tabs In The Same Activity

Aug 23, 2010

Where I can find a simple tabs example?

The Android Developers Hello Views Tab Layout example only details how to use separate Activities for each Tab.

I would like to use tabs to extend a screen of settings without scrolling, i.e. there are too many options for a single screen, so I'd like to split them over two tabs, but still handle them in the same Activity.

Each tab can refer to a separate layout file if that is how it needs to be done.

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Android :: Tabs In Every Activity

Nov 4, 2010

My first page contains 3 tabs. I want to retain all these 3 tabs through out my entire application. That means I want to see these 3 tabs in every view. For example : I have 3 views. First view is Main.class. It contains 3 tabs (Home tab, Favourite tab, settings tab). When I am clicking any one tab (Ex: Home Tab), it shows the contents of Home.class (a ListView) below these tabs. But when I am clicking the ListView view , it will go to another activity(SubListView.class), and I can't see the tabs in that activity. Only contents of that view will be displayed there. How can I show these header tabs in that view also?

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

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Android :: Activity Based Tabs

May 11, 2010

I have Activity based tabs i.e i have used TabActivity,tabhost etc Now when we switch between the tabs, for the 1st time the oncreate is called and then after the onResume methode is called I want to know what event/function, of the activity, is called when i click on the the tab which is already selected. You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscribe@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en

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Android :: Switch Tabs From Within An Activity Within A Tab

Mar 29, 2010

Currently I have a TabHost implemented with 3 tabs each containing a separate activity. My question is how do I switch between tabs from within one of the activities that is located inside the tab host. I've looked everywhere and have been unsuccessful in finding a real answer to this problem.

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Android :: Update Tabs From Tab's Activity

May 31, 2010

I have a TabActivity and am going to have 3 or 4 tabs.In TabA, I would like to have an ExpandableListView, which will list products. I would like TabC to act as a sort of "shopping cart", probably with a ListView of itself. So, my question is: is there a way to interact with the TabHost from the Activity? I would like to be able to click a button inside of TabA and have it update and switch to TabC. Is this possible? Can I get the Tab's activities call it's parents methods?

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Android : Can I Create Tabs From Activity?

May 18, 2010

Is it necessary to use TabActivity for displaying Tabs. I want to display tabs from Activity.

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Android :: SetResult() For A TabActivity Which Contains Activity For Tabs?

Jul 30, 2010

My TabActivity contains two tabs which calls two two different activities . I want to setResult() for the TabActivity when either one of the child finishes.

Is there any method to find out when my activity inside tab finishes?

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Android :: Set The Background Color Of New Activity After Clicking Tabs?

May 28, 2010

I am switching activities on tab clicks and successful at this. But, in one of my Activity class I am doing the following:

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

I want to change the background of this layout only and I want tabs to their as it is. But with the currentandroid:layout_height="fill_parent"in main.xml my background is overwriting the tabs which means I am unable to see tabs. and If I makeandroid:layout_height="wrap_content"` I cannot see any change taking and tabs are still their.

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Android :: How To Set The Background Color Of New Activity After Clicking Tabs

May 28, 2010

I am switching activities on tab clicks and successful at this. But, in one of my Activity class I am doing the following:

CODE:........

main.xml has the following:

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

I want to change the background of this layout only and I want tabs to their as it is. But with the currentandroid:layout_height="fill_parent"in main.xml my background is overwriting the tabs which means I am unable to see tabs. and If I makeandroid:layout_height="wrap_content"` I cannot see any change taking and tabs are still their.

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Android :: Change Activity In Tabs On Button Click?

Nov 20, 2010

I am creating an android application in which uses tabs. There are three tabs which runs different activities. Activity which runs tab 1, has a button. I want to change content of Tab 1 by clicking on that button. But If I call another activity it doesn't start in tab1 but replaces tab.

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Android :: Starting New Activity From Activity

Jun 9, 2010

When I was originally learning about Android a few months ago I swear I read something about a way to immediately launch an activity when starting a task. I am curious about this now because I need to display an intro screen on launch but I don't want the intro screen to be the root activity. Does anyone know if there is something like this and if not what is the best way to handle an intro screen?I tried googling for a few hours to find it but can't for the life of me.

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Android :: Access Progress Bar In Main-activity Containing Tabhost From One Of Tabs?

Nov 14, 2010

I am developing an android application where I have a main-activity that contains a progress bar and a tabhost. the tabhost has 3 tabs.How do I from a tab-activity access the progress bar in the main activity? I want to be able to start and stop the progress bar when things changes inside each tab ativity.

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Android :: Starting Activity With FLAG ACTIVITY MULTIPLE TASK To See Multiple Instances

Feb 2, 2009

I am trying to launch an activity from another activity .. Within the com.android.SingleLauncher..

I have activity launch code as ..

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

I have set the android:multiprocess="true" in the AndroidManifest.xml of TargetSL I don't seem to see the multiple instances of TargetSL, which i am expecting ..

All i see is 2 process, where i was hoping to see an instance of TargetSL, for each launch that was invoked by the singleLauncher!

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Android :: Starting Activity By Package Name

Mar 25, 2010

I have the code to get the list of packages installed in phone. I have represented the list in the form of Array List, below is the code snippet. But upon clicking in the package name I want to start that application, but how do I get the respective class name and package name to run? Is there any other method which I can try to start an application? arrayList<String> PackageNames = null; List<PackageInfo> lis = pm.getInstalled Packages(GET_MINIMAL); Pkgs = (ListView) findViewById(R.id.package_list); for (Package Info pi : lis)packages.put(pi.packageName, pi); PackageNames = new ArrayList<String> packages.keySet()); Collections.sort(PackageNames); PackageNames.add(0, "All"); pgs.setAdapter(new ArrayAdapter<String>(this, android.R.layout.simple _list_ item_1, PackageNames)); Pkgs.setOnItemClickListener(new OnItemClickListener() { public void onItemClick(AdapterView<?> arg0, View v, int pos,long rowId) { Intent i = new Intent(); i.setComponent(new ComponentName(class name,packagename)); startActivity(i); I have tried intent to start the activity, but don't know the class name and package name to pass in the ComponentName() to start activity.

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Android :: Error When Starting Activity

Mar 22, 2010

I'm starting an activity when a button is pressed, and normally (in other apps) haven't had an issue. But when I press the button in this app, I get an "unable to marshal value" error.Exact(ish) error from LogCat:
03-22 02:49:02.883:
WARN/System.err(252):
java.lang.RuntimeException: Parcel:
unable to marshal value
{CLASSNAME}@44dcf1b8
I feel that this might be related to the extra that I'm passing to the intent. I'm passing an ArrayList as a serializable to this new intent. My concern is that the data structure that the ArrayList contains isn't being serialized (as it's a personal data structure).Is the array list content data structure causing this? Something else that I'm missing?

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Android :: Starting An Activity For Different Third Party App

Aug 19, 2010

I'm working on an app and I want to integrate the Last.fm app into it. Basically, when someone is looking at an artist in my app, I would like to have a button that they can tap to open up Last.fm application with the artist's information.

This intent works, but it loads a menu asking which app I would like to use (Browser or Last.fm):

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

However, I just want to start the Last.fm app and skip the dialog asking which app to use, I thought maybe using the setPackage() method would work like this: i.setPackage("fm.last.android");


But it causes the app to crash:

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

Is it possible to just start the Last.fm app?

Here's a copy of Last.fm's AndroidManifest.xml for reference.

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Android :: Error When Starting A Tab Activity?

May 16, 2010

I followed the directions verbatim in this Android tutorial, copying/pasting the code from the site to my app. http://developer.android.com/resources/tutorials/views/hello-tabwidget.html

However, when I try to run in the Android emulator, I get the error: "The application Hello Tab Widget has stopped unexpectedly. Please try again."

I tried debugging by introducing a breakpoint in the first line of the onCreate method, but the error occurs before the breakpoint is even hit. Any idea of what is going wrong, or any other way I can debug this issue? I am using Eclipse.

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Android :: Starting An Activity In OnStart

Apr 14, 2010

I'm trying to start a floating activity from onStart to retrieve some info from the user right when the initial activity begins.

I have the following:

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

And callProfileDialog() is just:

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

ProfileDialog.class returns a String from an input box. If the result returned is RESULT_CANCELED then I restart the activity.

The problem I'm having is that when the program starts, the screen is just black. If I hit the Back button a RESULT_CANCELED is returned then the initial activity shows as well as the floating activity (since it recalled itself when it got a RESULT_CANCELED). Why can't I get the activities show by calling ProfileDialog.class from onStart()? I got the same result when I called it at the end of onCreate() which is way I switch over to use onStart().

I have also tried the following:

CODE:.........

But this doesn't work either. It all works fine once I hit the back button but without doing that, it's all black.

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Android :: OnRecieve Starting Activity?

Jun 23, 2009

I would like to know the reason behind this behaviour.I have a broadcast reciever and in onrecieve i am trying to start an activity,however if i am not giving the flags it is giving an exception .On declaring the flags it is working perfectly fine,why?

I was under the impression that onRecieve runs in the main UI thread and we can launch an activity in onRecieve.Error given by the emulator is self explanatory but still why do i need to create an activity in a new task(only in onRecieve)?

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

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Android :: Name Of Droid App Taken As Of Starting Activity / Why Is This?

Oct 18, 2010

In my manifest file, I have given the application name as MyApp and the name of the starting activity as Main Menu.code...

When I see the app icon in the default menu screen of android, the name shown is Main Menu. Why is MyApp not the name shown for the app?

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Android :: Progress Dialog While Starting New Activity

Feb 9, 2010

this button is shown on my start activity. After pressing it a new activity will be launched but this takes some time cause on initialization of that new activity some data is gathered from the Internet. This works half. The progress dialoge is shown but the progress wheel is not spinning.

Can somebody tell me why this happens?
Button b4 = (Button) findViewById(R.id.Button01);
b4.setOnClickListener(new View.OnClickListener() {
public void onClick (View view) {
final ProgressDialog pd = ProgressDialog.show(pak.this,
"", "Working..", true);......................

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Android :: Previous App Launches Not Starting Activity

Jun 2, 2010

I need a way to detect if this is the first time the user is ever opening the application, if so, start an activity. Then all previous application launches wouldn't start that activity. I've read in a few places about using preferences to accomplish this. Anyone got any ideas?

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Android :: Starting An Activity From Callback Class

Aug 18, 2010

I have an activity class(Application Class ) which calls a service class(Service Class) and closes. The service class takes about 5 seconds to complete its task and calls a method which is present in another class(Callback Class). Now according to the result, the callback needs to notify the Application class.Once i get the callback from the service, I tried calling a method defined in the Application class. In this method i create a new intent of Application class and call startActivity(Application Class). But this is not working. Can anyone tell where i am going wrong and what can I do to solve this issue.

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Android :: Starting An Activity From Broadcast Receiver

May 28, 2010

I am trying to launch the Main Activity from a broadcast receiver. Can anyone guide me as to how I can do it? I always get "Process is Bad" message.

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