Android :: Start An Intent To Launch An App To Background In Droid
May 16, 2010
I'm using Wikitude API 1.1 as an AR viewer in my application. The problem with Wikitude, if I haven't launched the actual Wikitude application since the phone's bootup, I will get a NullPointerException everytime I start my own application.
So I figure if I can start my app first and them check if Wikitude is installed and or running. If it's not installed, go to market n download. If it's not running, then we should run it straight to background so that my app doesn't loose its focuscode...
The part I block commented is the intent to start Wikitude. But I always failed in restricting Wikitude to background. Any help?
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Jun 8, 2009
Can you please tell me how can I start an intent to launcher the IM application on android?
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Jul 19, 2010
Is there any way to launch an activity w/ Intents (in this case the Browser) in the background, and then bring it to the foreground using a service or activity?
I know it's possible to bring apps to the foreground by launching an intent with FLAG_ACTIVITY_BROUGHT_TO_FRONT
But is it possible to initially launch the activity in the background?
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Feb 4, 2010
Is it possible to start an Intent but keep it hidden? For example now to start the intent I am using startActivitity(intent). Suppose the intent is to start a web browser, the webbrowser is shown to user. Is it possible to keep this hidden?
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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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May 7, 2010
I'm creating a mobile website that will include a page from which people can download relevant apps that we recommend. I've found instructions for creating the links to launch the Market but this assumes that you are the developer of the app in question and know the exact package name.
Is there any way to get the package name, other than just contacting the developers and asking?
Also, it turns out that those instructions don't really work for creating web hyperlinks. They only give you a URI to reference in a string of Java code in another Android app. Our site is in Drupal, so Java is not going to work.
For the iPhone, I found easy instructions for getting the URL/link style I need from the iTunes store, so I'm looking for info like that.
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Nov 15, 2010
My question is how to launch the third-party android applications I installed through Intent directly?
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Mar 3, 2010
I want to create an app or background service that just listens for the launch of a 'default' app, say Contacts or the built-in Gmail app. If the contact app is clicked, I want to transfer control to my app temporarily (e.g. present a Yes/No popup to the user or increment an internal counter of my app ) and then redirect the user back to the app that was clicked. I want to do this only for a couple of 'well-known' built-in default apps, not any third party apps..
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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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Oct 7, 2010
I can't find any intent which opens the camera. The closest I've found is ACTION_CAMERA_BUTTON but that breaks if the phone has no hardware button for the camera.
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Nov 10, 2010
My Google-Fu is failing this Android newbie today.Does anybody know of a good example showing how to launch an intent from a PreferenceScreen? I want to show a custom LinearLayout that allows me to set some semi-complex preferences.
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Jan 13, 2010
What is the recommended way to launch the messaging app (for sending an MMS message) via an intent? The following code works on my HTC Magic ... code..
... but it first launches the Resolver activity (com.android.internal.app.ResolverActivity), prompting the user to select the appropriate app (Email, Gmail, Messaging, Picasa). The user has to select Messaging before proceeding.
The only way I've found to bypass the resolver is to explicity set the desired component on the intent before starting the activity as follows:
intent.setClassName("com.android.mms", "com.android.mms.ui.ComposeMessageActivity");
However, I'm guessing this approach will not work on devices that have a customised UI, like the HTC Hero. Can someone confirm/deny?
I'm also struggling to find official documentation for the "address" and "sms_body" fields that can be supplied as extra data as per the above example. Is it expected that these will be supported by the default messaging app in future SDK versions and in customised UIs (like HTC's Sense UI)?
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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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Aug 12, 2010
Is there any URI which can point to the GMAIL App in android and help me launch it?
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Nov 24, 2010
I want to know to launch a satellite application using Intent, i knew how to launch the map application using Intent, but i want to display satellite view rather than map view, my code is uri = Uri.parse("geo:0,0?q=" + VALUE_baraddress1[0] + ", "
+ VALUE_baraddress2[0] + ", "
+ VALUE_baraddress3[0]);
Log.v(TAG, VALUE_baraddress1[0] + ", "
+ VALUE_baraddress2[0] + ", "
+ VALUE_baraddress3[0]);
startActivity(new Intent(Intent.ACTION_VIEW, uri));
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Sep 13, 2009
There's seemingly no way to launch the calendar app in a generic way. I've written a widget which allows you to launch the calendar. I use the following Intent:
Intent intent = new Intent(Intent.ACTION_VIEW); intent.setClassName("com.android.calendar", "com.android.calendar.LaunchActivity"); startActivity(i);
However, this doesn't work on the Hero because HTC has apparently replaced the calendar in their Sense UI. I'm looking for a "standard" way to reach the calendar. I'd like for something like this to be standardized:
Intent i = new Intent(Intent.ACTION_VIEW); i.setType("text/calendar"); startActivity(i);
Does anyone think it would be worth trying to add this to the source? It seems like there is a missing chunk of standards around calendar events and/or iCal / vCal support. Does anyone know why?
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Jun 30, 2010
I have found various topics here and elsewhere on creating an intent for sending e-mail and that seems to be pretty straightforward. I'm looking for an intent to just launch any e-mail client the user might have.
Here is the code I've seen for sending an e-mail (posted just for reference, this doesn't serve my needs as I don't want to send a new message):code...
The code above works but isn't flexible in that a user might not be using Gmail but the other built-in e-mail application or a 3rd party e-mail app. I'm looking for an intent that would bring up the chooser in this case so the user can decide which app to launch to read e-mail.
Does anyone know how to accomplish this?
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Aug 14, 2010
I'm trying to figure out how to launch an activity in my app from a custom URI such as myapp://myuriactivity I've read a lot about the intent and intent filters in the android references and also read several examples, but for some reason I can't get my simple test to work. Below is my manifest file, can anyone tell me what I'm doing wrong? With the below file, if I open the browser and try to navigate to http://org.test.launchtest it just says the page doesn't exist. Shouldn't this work?
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Jun 13, 2009
Can you please tell me how can I launch the intent to pick image from SD card?
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Jun 1, 2010
I have the url of an image. What i need to do is launch the default image viewer for images using an intent. But it doesn't work. If I do not specify the type of data, the intent launches the browser since the data is a url. It works basically (since you can see the image on the browser) but what I would like is to have the gallery display the image for me.I can also download the image into a Bitmap but I would still not know how to display the Bitmap using the gallery (if that's even possible).I tried saving the bitmap to the cache and then launch the viewer on that file but it doesn't work. Can you spot any mistakes on my code? (The Utilities class is a class i wrote.
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Jun 29, 2009
I am trying to launch an email intent with an attached jpg. I did:
Intent intent4 = new Intent(Intent.ACTION_SENDTO,
Uri.fromParts("mailto", "testemail@gmail.com", null));
startActivity(intent4);
this launches the email activity.
But when I try to add DataAndType (my jpeg attachment). It fails with
android.content.ActivityNotFoundException: No Activity found to handle Intent { action=android.intent.action.SENDTO data=file:///data/data/com.mycompany.mypackage/files/temp-picture type=JPEG
Intent intent4 = new Intent(Intent.ACTION_SENDTO,
Uri.fromParts("mailto", "testemail@gmail.com", null));
intent4.setDataAndType(Uri.parse("file://"+ mTempFilePath),
Bitmap.CompressFormat.JPEG.name());
startActivity(intent4);
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Nov 28, 2009
This is what I would like to do: => IF WiFi is enabled AND active, launch an intent (in fact it's a WebView that gets its content=>the instructions of my app on the web) => IF NOT, then I would launch another intent so that I don't show a WebView with "Web page not available ... The Web page at http://www.mywebsite.com might be temporarily down or it may have moved ..."
I tought initially to use
if(wifi.isWifiEnabled())
but that does not say if the Wifi connection is ACTIVE or not. It says only that the user has turned the switch on. The device may or may not be connected... Is this correct ?
Then I tried to use :........................
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May 23, 2010
I have developed a very simple widget that was meant to interact with the user via an ImageButton. What I am trying to do now is as follows. When a user taps the button (after adding the widget to their home screen), I want the phone to dial a certain telephone number.
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Jun 28, 2010
I'm launching a webbrowser via an intent, which allows my app user to login to Google Docs in a 2-legged oauth dance. This works fine, and the browser callback comes to my app with the right authentication string.
I just want to be able to kill that browser window once we are done - having it sitting there is confusing and messy.
How can I kill a browser window I started up?
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Apr 20, 2009
what is intent action name(e.g. action name "android.media.action.IMAGE_CAPTURE" for launching camera appl) to launch the native map appl Is there intent available(documented or undocumented since above intent of capturing image is undocumented ) for launching maps appl?
I know one for launching maps for driving direction "this.startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse("http://maps.google.com/maps? f=d&saddr=37.4,-121.9"+ "&daddr=Bellevue, WA&hl=en")));" but this goes to driving direction page of maps appl.
is there any way to launch maps appl which will open maps home page?
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Sep 21, 2010
I am trying to a menu item to launch the Send intent. This is what I did, I see the menu item
but i don't see send intent launch when i select the menu item. code...
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Mar 5, 2010
The first activity in my app needs to load a small amount of data from a text file. Two strings and an integer. Once I load the data, I want to use one of the strings to create an intent, that will launch the next activity.
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Oct 17, 2010
I am trying to load BROWSER VIEW intent in android within onTouchEvent. Basically i have create a live wallpaper and if i click on it then i want to open BROWSER VIEW intent with a specified uri. i have tried following code inside onTouchEvent Uri uri = Uri.parse("http://www.google.com"); Intent intent = new Intent(Intent.ACTION_VIEW, uri); startActivity(intent); but i am getting following error I am trying to load BROWSER VIEW intent in android within onTouchEvent. Basically i have create a live wallpaper and if i click on it then i want to open BROWSER VIEW intent with a specified uri. Code...
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Aug 11, 2010
I am trying to launch my application instead of android home screen. Can you tell me what i have to do for this?
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