Android :: How To Relaunch Application From Intent
Aug 17, 2010
I would like to put a notification with an intent. My intent is basically action = DEFAULT and category = LAUNCHER in order to bring the activity that was launched into the front. When the app is not shown, there is no problem, the intent works perfectly and launches the last activity seen but when there is already an activity launched, on New Intent is not called (activity is in single eTop mode). I'm wondering how to relaunch the app from an intent to the last activity seen and call on New Intent when the activity is already launched.
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Aug 18, 2010
I am working on Gps based application which runs all the time in background. But in extreme low memory case(or when i open many apps) my app is killed by the android system. I want to relaunch my app when it is killed by android system.I goggle it for this but don't get any solution.Any help would be appreciated.
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Aug 6, 2009
I have a question about the activity cycle when you use the Home button to exit an application. I have noticed that when you use the Home button to exit an application, you can hold the Home button to move back to that application, but selecting that application from the list of programs or the 'desktop' will open a new instance of it. So I'm wondering is there a way to make it so that if the program is running already, then it will move back to that application like it does from the task menu brought up from holding home button? Or is this something that needs to be handled via the activity methods (such as on Create, on Resume, etc) or in some other clever way?
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Mar 21, 2010
After I do some change in my database, that involves significant change in my views, I would like to redraw, re-execute on Create. How is that possible?
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Nov 12, 2010
i am fetching XML from the web, parsing it and display it on the screen. The problem which i am getting is that the activity tries to load the data from web each time the activity is called.(Actually, my mobile app requires frequent trips to the server) So i am in search of the below solution: On Re-launch of an activity, the data from web should not be loaded again. (But it should load data from the cache or local database that we have created while calling the web-xml for the first time). creating a class that i can use to transparently make application faster by selectively caching items in memory. And thus, making users very happy and This class can even apply individual refresh times to each cached item.
So, i think i need to store the data in Cache , or in local database or something like that. Is there any way/technique to implement such thing ? so that it need not to load from web every-time on Re-launch of an activity. [Note: I want to do to make client happy by decreasing the loading time and running the application efficiently and optimizing application's loading time]
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Apr 18, 2012
Ok well basically I'm having a problem on my Galaxy S II in which when I exit all apps using the task manager, it kills my lockscreen app, WidgetLocker.
Is there a way that I can have WidgetLocker relaunch after it is killed? Or should I just not bother killing all the apps?
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May 6, 2010
I know how to update my own programs, and I know how to open programs using the a predefined Uri (for sms or email for example)
I need to know how I can create an Intent to open MyTracks or any other application that I don't know what intents they listen to.
I got this info from DDMS, but I havn't been succesful in turning this to an Intent I can use. This is taken from when opening MyTracks manually.
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May 25, 2009
I wrote a new application and i want to send an intent to another application.is it not enough if i broadcast that intent from my new app and add an intent filter in the receiving application? The intent seems to be not received in the receiving application. should i add / register the intent somewhere in the framework so that it gets received.can someone help me on this.
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Mar 3, 2010
I have a question about an intent...
I try to launch the sms app...code...
so, you can see that I put too much things in my intent, but that's because I don't know how I can do...
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Mar 12, 2010
Can anyone say me the main difference between intent and pending intent? And their usage in application with example.
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Dec 8, 2009
I created application with name Test, and has a class that extends broadcastreceiver that listen for PACKAGE_RESTARTED. I use Advanced Task Killer, and killed the Test application. But when I kill another application, for example gmail, the Test's broadcastreceiver got the intent (I logged it). Does it means that broadcastreceiver will never died?
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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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Apr 13, 2010
My app offers a "share/tell-a-friend" function. When the "share" button is pressed the following method is being called to open a list of apps, which can perform the action (Eg. Gmail, Twittroid, Facebook...):
CODE:...............
The sharing functionality works basically. But when the sharing app (Facebook, Twitter, ...) tries to return to my app, a force close is thrown.
I guess that my app gets closed in the background during the sharing process... at least that is what the debugger sais...
The problem seems to be that the app closes in the background. Also when I open the browser from my app an try to return to my app with the back key. A force close is thrown.
This is the Log Cat output:
CODE:..................
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May 6, 2010
I know how to update my own programs, and I know how to open programs using the a predefined Uri (for sms or email for example)
I need to know how I can create an Intent to open MyTracks or any other application that I don't know what intents they listen to.
I got this info from DDMS, but I havn't been succesful in turning this to an Intent I can use. This is taken from when opening MyTracks manually.
CODE:..................
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Aug 20, 2010
I was trying to open an Activity of an other applicatoin by using an implicit Intent. It doesn't work, I thought it is possible to start an Activity of an other Application by using implicit Intent. Or do I missunderstand it?
I added following intent-filter to the AndroidManifest of Application A:
CODE:..............
And called the Intent in Application B by using folloing code:
CODE:.............
All I get ist, the error message that Application A was stoped unexpectedly.
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Jun 10, 2010
I am interested in activating another application's activity. I know from reading the Android SDK that it's probably better to do this with an implicit intent. However, this activity doesn't reside in an application I own, so I don't know the action and category and data flags on the intent-filter.
How can I examine an Android applications metadata like the activity classes and the intent-filters for those activities (if declared in the manifest)?
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Oct 25, 2010
I'm working on a project where I need to run the BroadcastReceiver for a third party library for a specific Intent. I also want to run some of my own code when the Intent is broadcast. If I supply my own BroadcastReceiver for the same Intent, it seems that only, one or the other runs, but not both, depending on which appears first in the AndroidManifest.xml file. Is it possible to register multiple BroadcastReceivers for the same Intent in the same application and have them all run? AndroidManifest.xml snippet
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Mar 13, 2010
I have only .APK file of PDF Viewer and my requirement is to use pdf viewer for reading document called through Web API . Is there any possibility to integrate these two in same package apart from source code?
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Aug 28, 2010
I am facing a problem with a clock widget i made. I want the user to touch the clock and launch the clock app on the phone. this is the code...
I made the above so the when i touch the clock opens the alarm settings. But is not universal.
I found out that on droids with 2.2 does not work. There must be a better solution than creating an if statement for every android phone flavor i the world. Plus i don not know the package names for all.
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Aug 11, 2010
I would like to launch the Android Email application with a URI similar to the contacts uri. Is this possible?
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Sep 29, 2010
I have a user's twitter handle. Right now I'm opening it through a web page like:
String url = "http://www.twitter.com/" + "example_handle";
Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
startActivity(intent);
If the user has the Twitter android app installed, is there a different intent I can use which gives the user the option to view that user's twitter feed in the Twitter app, instead of forcing them directly to a browser? I'm not sure if the author's of the Twitter app have exposed any such intent.
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Aug 27, 2010
I got one question regarding the intent action "ACTION_CALL". What is the correct way of getting back to the own application/activity after the user ends the call? The only way that came to my mind uses a PhoneStateListener in a background services that waits for the CALL_STATE_IDLE event starting up the application again. But I am not quite sure if that is the correct/intended way of using the intent.
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Jun 1, 2014
i have a drawer menu, when i press one of its buttons to start a sharing intent as below:
Code:
Intent iFriends = new Intent(Intent.ACTION_SEND);
iFriends.setType("text/plain");
iFriends.putExtra(Intent.EXTRA_TEXT, "http://www.liveplus.mobi");
iFriends.createChooser(iFriends, "Invite Friends");
startActivity(iFriends);
The sharing dialog appears, but if i press the back button, the whole application exits!
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Apr 28, 2010
I need to push an intent to default camera application to make it take a photo, save it and return an URI. Is there any way to do this?
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May 2, 2010
im trying to find the code to launch the camera app and I cant figure it out.
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Mar 25, 2010
I am creating an application that checks the installation of a package and exits after launching the market-place with its id.
When I try to launch market place with id of an application say com.mybrowser.android by throwing an intent android.intent.action.VIEW with url: market://details?id=com.mybrowser.android, the market place application does launches but crashes after launch.
The application com.mybrowser.android doesn't exist on the market- place.
MyApplication is my application.
CODE:....................
However, when I try to launch the market place for a package that exists in the market place say com.opera.mini.android, everything works. Here is the log of this case:
CODE:.....................
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Jul 10, 2010
I have an application that I have running a media player and I want to resume the activity from my applications home activity. I can successfully do this by adding the following flags to the startActivity Call:
myIntent.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP | Intent.FLAG_ACTIVITY_CLEAR_TOP);
I am worried that this is not an ideal way to do things since it took me a long time to find it. It made me think that no one uses it very much. Are there any pitfalls to using this method?
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Jul 8, 2009
I've seen a few other threads on this subject, but none that addresses my need which is to not only find the app in the market via the market uri, but display it as if the user had navigated to it. The closest anyone has gotten to this answer is to show how to bring up the Android Market app and browse for the app you want which shows the single result in a list that the user must still select to get to the screen I want to display.
Here's my existing code that does exactly that:
private static final String MY_MARKET_APP = "com.some.silly.name";
Intent marketLaunch = new Intent(Intent.ACTION_VIEW);
marketLaunch.setData(Uri.parse("market://search?q=pname:" + MY_MARKET_APP));
startActivity(marketLaunch);
I don't want to have to force the user to select this single item from the list - just bypass that and bring up the next screen.
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Aug 25, 2010
I know this has been asked a lot of times in StackOverflow already, but I haven't quite found a solution yet. My app sends an email with a link in it that when clicked should launch the app. According to @hackbod, the best way to do it is to make use of the Intent URI (see this). Here's my code that sets the intent and puts it in the email body: Code...
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Feb 17, 2010
Please clarify me What is Pending Intent with an example.
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