Android :: Exclude Own Activity From Activity.startActivity - Intent
Oct 17, 2010
My app works with pictures. It can take multiple pictures as an input, process them, and send them again to another app.
As a consequence, my main Activity has declared an intent filter on ACTION_SEND_MULTIPLE for image/* mimetypes and can result in issuing a new Intent with the same action and data type using Activity.startActivity(Intent).
Is there a way to exclude my own activity from the list of apps that is displayed to the user after the startActivity() call ?
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Jul 2, 2010
I've got an app that creates an intent for the last.fm android app in which it will start the "recommended" station for my account when i press a button. The trick i'm trying to figure out is how do i get the phone back to my app without the user having to navigate back manually? Once it start the last.fm intent it takes you to the playlist and i need it to resume back to my app automatically.
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Aug 10, 2010
MyService and MyClient are both running, although MyClient is currently in the background. If MyService sends an Intent to MyClient via:
CODE:..............
How do I get this Intent in MyClient? Running this code triggers onResume() in MyClient, but because it's already running, calling getIntent() returns the Intent that initially created MyClient, which is always android.intent.action.MAIN
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Sep 13, 2010
I am having two activities, say activity A and B. Activity A is an ListActivity, and when the items in the list is selected, it will call startActivity() to bring up B. The problem here is that when I am in B and click the home key, and then go to the application launcher to resume my application, A will be brought up again. This time when I click a different item in A, it will bring up B with the old data of the previously selected item before the home key was clicked.
After examinzing the code, I found that the startActivity does not update the intent of B. I found a post here about the similar question, and the answer was to overwrite the onNewIntent. However, I found that it doesn't work, because this method never get called when the second time I call startActivity. I am sure that this is the same instance, because I've printed out the instance number. Is there any other ways to update the intent of the activity? Or I need some other settings to make the onNewIntent get called? I didn't set any flags or launch modes, so everything is default.
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Apr 20, 2010
I have tried to write an Android application with an activity that should be launched from a different application. It is not a content provider, just an app with a gui that should not be listed among the installed applications. I have tried the code examples here and it seems to be quite easy to launch existing providers and so on, but I fail to figure out how to just write a "hidden" app and launch it from a different one.
The basic use case is:
App A is a normal apk launchable from the application list.
App B is a different apk with known package and activity names, but is is not visible or launchable from the application list.
App A launches app B using the package and class names (or perhaps a URI constructed from these?).
I fail in the third step. Is it possible to do this?
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Dec 7, 2009
I have a TabActivity subclass that attempts to start a new activity via a menu item selection in onOptionsItemSelected.I am receiving the following exception which eludes me at the moment.I'm not sure why it thinks I am *not* in an activity!
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Sep 28, 2010
Is there any event triggered on an activity when I call startActivity("activity_id", myIntent);
If the Activity exists already. I pass a parameter to the activity via i.putExtra("someID", someSerializableObject ); and would like to call a method to refresh a WebView. Right now, the call on startActivity brings the activity in the foreground but the webview does not display what i want.
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Aug 5, 2009
I need to exclude an activity from appearing in recent launched menu, but i am not able of adding android:excludeFromRecents="true" in AndroidManifest.xml, I have to do it in runtime. Does anyone knows if there is possible to set FLAG_EXCLUDE_FROM_RECENTS to the activity?
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Aug 5, 2009
I need to exclude an activity from appearing in recent launched menu, but i am not able of adding android:excludeFromRecents="true" in AndroidManifest.xml, I have to do it in runtime. Does anyone knows if there is possible to set FLAG_EXCLUDE_FROM_RECENTS to the activity?
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Sep 11, 2010
I'm using an AlarmManager to trigger an intent that broadcasts a signal. The following is my code:
CODE:................
I'm calling this code from an activity, so I don't know how I could be getting the following error...
CODE:....................
Is this really what you want?
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Oct 12, 2010
I have implemented a ListView in my Android application.
I bind to this ListView using a custom subclass of the ArrayAdapter class. Inside the overridden ArrayAdapter.getView(...) method, I assign an OnClickListener. In the onClick(View v) method of the OnClickListener, I want to launch a new activity.
I get the exception:
Calling startActivity() from outside of an Activity context requires the FLAG_ACTIVITY_NEW_TASK flag. Is this really what you want?
How can I get the context that the ListView (the current Activity) is working under?
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Mar 31, 2010
I would like to display a an access dialog activity at the start of my application.
In other words, I would like to start another activity (in dialog theme) as soon as my Main Activity is loaded. But, I know that I can not start an activity while another is creating.
I tried to start this activity in the onResume() method : I can see the new activity called, but the Main activity do not respond after closing the new activity.
Is there a solution to do this, without using delayed intent ? May i use a special flag for my intent ? I did not find, in the activity cycle, a way to detect the end of activity loading.
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Apr 3, 2010
I'm having difficulties handling multiple instances of my root (main) activity for my application. My app in question has an intent filter in place to launch my application when opening an email attatchment from the "Email" app. My problem is if I launch my application first through the the android applications screen and then launch my application via opening the Email attachment it creates two instances of my root activity. steps: Launch root activity A, press home Open email attachment, intent filter triggers launches root activity A Is it possible when opening the Email attachment that when the OS tries to launch my application it detects there is already an instance of it running and use that or remove/clear that instance?
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Sep 21, 2010
I tried to create a edittextbox, and button next to it, in the status bar.! I created it and tried to launch the browser activity, when somebody enters a URL in the textbox & click that button.
I get runtime exception as below.Can anyone please help what is the issue with this exception ? I know that Status bar is not a seperate activity. It is part of 'PhoneWindow'.
CODE:.............................
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Nov 2, 2010
Is it possible to get the Activity from an Intent?
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Oct 14, 2010
I'm switching between different Activities using Intents. For one Activity, I would like it to clear the history stack so when the user presses the back button, it takes them Home instead of previous activities in my application.
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Jun 9, 2009
I've searched for a few hours for a solution to this, so hopefully this isn't a repost I'm setting a shortcut on the Home screen which raises an Intent to my application - the problem is that I don't want to show my app, just run a little code and display a Toast notification. This must be possible - I just can't work out how.. Once I'm handling the shortcut Intent in onCreate() the UI has initialised and I get a little screen flicker if I then run my code and finish().
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Aug 24, 2009
I have a service that is downloading a file. When the download is done, I would like to update my "Downloaded files" list in my Activity, but only if the Activity is running. I do not want the Activity to start if it's not already running. I was hoping I could do this by making a new Intent with some special flag. Anyone have any idea how I can achieve this? A tiny code example maybe?
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Jan 2, 2010
I have three classes one main-activity(named MainMap), one non-activity class(named MyItemizedOverlay), and one activity class(named AudioStream). I want to start AudioStream activity from non-activity class but i don't know how to.
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May 27, 2010
I am relatively new to android. I have two applications A and B. I have an activity in A, lets name it x, that would launch the application B. Now the intent sent by x contains StringExtra that I want the Starting activity in B to use. Is there a way for the activity in B to do that?
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Jul 6, 2010
I need to start an Activity with two different Intent, can I define two Intents In an Activity node?
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Sep 1, 2010
I want to pass a value from one Activity to another to update an integer. So basically I want Activity2 to send Activity1 a value it has garnered from user input. Seems like it should be simple just not sure how. Is it possible to run a function from another Activity and give it this value as an argument?
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Nov 6, 2010
I have a server running that notifies the user with a statusbar notification that opens my main activity, how can I pass data to my activity trough that intent?
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Aug 2, 2010
In the Activity I write Intent i=new Intent("IntentServiceTest"); Bundle bundle = new Bundle(); bundle.putString("abc", "def"); i.putExtra("wer", bundle); IntentTest.this.startService(i); Start Service into Service OnCreate method,but I don't know how to do get this Intent in this method.
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Apr 10, 2009
In my Android application, I have two activity classes. I have a button on the first one and I want to show the second when it is clicked, but I get an error.
Here are the classes:
CODE:...........
The second class that should show when the button is clicked, but never does:
CODE:........
How do I create a button that will show the second activity?
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Sep 30, 2010
Android will call onCreate() of my activity whenever it is launched.
In the onCreate() of my activity can I tell what intent launches my activity?
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Oct 6, 2010
I want to have an image open from a URL to an intent, most likely the browser or maybe a picture previewer like the one built into twidroyd.I've gotten plain URLs to open to the browser. I just can't figure out what action or category to specify,
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Aug 22, 2010
I'm having a struggle understanding why my intent is not working. I basically just copied paste from other examples in my code that work perfectly like this. Here it is:
Intent addIntent = new Intent(v.getContext(), thenNnowMode.class);
Bundle w = new Bundle(); String activityName = "addPic";
w.putString("activity", activityName);
w.putParcelable("bitmap", selectedDeviceImage);
//a.putString("id", picId); addIntent.putExtras(w);
startActivity(addIntent); finish();
The intent is opening a different class called thenNnow.class instead of thenNnowMode.class and I have no idea why this is happening. I've tried sending the intent to open other activities other than thenNnowMode but it always opens thenNnow. Am I missing some silly syntax mistake? It's so strange, its the same code. I am not sure if it's relevant but the thenNnowMode class uses the device camera
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Jul 2, 2010
My program has a list of tabs that each contain a list of people.Clicking a person should edit their details, but instead, clicking a person throws an ActivityNotFoundException.
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Jul 28, 2010
I've got two activities, one of them is called MyActivity. I want both of them to be able to use a function located in a class othat we may call MyClass. In MyClass, I try to use an intent to launch the activity AnotherActivity. Since the constructor takes a context as parameter, I simply tried to store a context from the activity in the constructor, and then use it when I try to create my intent.However, even thought none of the arguments are null (checked that with a simple if-statement), intent seems to be null and a NullPointerException is thrown. Why does it not work, and what can I do to solve the problem?
I'm quite new to Android and Java development, so please explain it as basic as you can.
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