Android :: ANDROID Intents Problem Launching Application

Jul 5, 2010

My problem is thus; I am new to programming on the ANDROID platform and have a 'working' application that piggy-backs on the API-Docs example. I wish it to launch three tabs one containing a list of reports, one a form to file a report and the last to show the geo-located reports. It doesn't appear as a separate application, it instead appears as a list to be launched by the API-Docs example.

Below is my manifest code...

Android :: ANDROID Intents Problem Launching Application


Android :: Blocking Intents From Launching?

Apr 6, 2010

On the market, there's an application called App Protector, which seems to effectively block the launching of configured activities until a password is correctly provided. By default, it blocks access to itself (not very interesting), Settings, and a few others. I wrote my own app to launch settings (rather than doing so through the home screen) and App Protector continued to do the job it claims to do.
When an activity that is protected is started, App Protector's password input activity is shown instead. Once the correct password is provided, the activity that was started comes to the front.
First -- does anyone know how this app is able to get between the rest of the system and the activities it protects? I would like to do something along these lines in my own application as well. Perhaps this app is receiving a broadcast about other activities coming to the foreground, and when the foreground activity is protected, it forces itself to the foreground?
Second -- does anyone know how well this technique will stand up to attack? Are there other ways to circumvent, where start Activity(...) fails to? It seems that one could use adb to un install it, thus removing its protection easily, but if I pursue my plans here, the app will be a part of a device's firmware (which, I assume, offers some protection against its apps being installed?)

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Android :: Launching Activity Through Intents

Aug 9, 2010

I am implementing a simple app. I need to start an activity based on the state of the Activity. Lets take i am using a button to start the activity.
1. If the activity is not started, I need to start XYZ activity.
2. If the XYZ activity is on focus, then i need to close the activity on the button press.
3. If the XYZ activity is not in focus (like onPause) state then, I need to change the button state.Can you please help me in the flags that i need to use for starting the intent. Is it possible to get the state of activity before I start that activity?

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Android :: Documentation On Launching / Controlling Google Navigation App Via Intents?

Dec 11, 2009

I realize this might not be the proper place to post this since it's not Android specific, but rather its about integrating with a google app.

I've been trying to find some documentation on launching / controlling the Google Navigation app via Intents or otherwise. I was hoping to find an intent to launch the navigation app with address parameters setup and start navigation immediately.

Can't find anything out there, so I'm still not even sure if it can be done.

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Android :: Change Behavior Of Layout Display When Launching Intents?

Dec 21, 2009

I have an app where pressing button on the screen launches an intent with a new screen and buttons. Everything is working very well, but I'm got one small visual problem. When I press the button on screen on my phone, the new page slides in from the right, pushing the old page off screen left. This happens very quickly, but the overall effect is a bit jarring. Is there a way to stop pages from display this way? If possible, I'd like the page to just appear over the old page, without any scrolling.

Is this possible in Android?

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Android :: Launching Another Application Through The Current Application

Jan 6, 2010

I want to launch another application through the current application.

In RIM there is a "ApplicationManager.getApplicationManager().launch("String path")" method that launches directly RIM application mentioned in "String path".

Is there any method like this in android or any other way to solve this problem ?

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Android :: Instantiate AIR Application Regarding Intents

Jul 14, 2010

I have few intents in my manifest file and an AIR application. How can I instantiate AIR application from android.

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Android :: Cannot Use Explicit Intents To Call Another Application?

Aug 29, 2010

Was trying to call another application using an *explicit* intent, but am finding it does not seem possible. I do not wish to use implicit intents. To test it out, try calling the YouTube main activity.

Intent i = new Intent(); ComponentName cn = new ComponentName("com.google.android.youtube","com.google.android.youtube.Home­Activity.class"); i.setComponent(cn); startActivity(i);

I get this error:

08-29 00:54:26.598: ERROR/AndroidRuntime(7332): Caused by: android.content.ActivityNotFoundException: Unable to find explicit activity class {com.google.android.youtube/ com.google.android.youtube.HomeActivity.class}; have you declared this activity in your AndroidManifest.xml? Does anyone know whether this is possible? (using explicit intents to call another application)

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Android :: Launching One Application From Another

Jun 1, 2009

Say I have developed 4 applications. Is it possible to group these applications, so that I can access and launch these from one location?

Can the below flow work? Start an Application|Display launchers(icons) for 4 different applications|On click of the icon start the respective application.

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Android :: Application Not Re-launching

Mar 29, 2010

I have written an application which calls native methods through JNI. In the native library 4 threads are started. On USB removal, the application is to be closed including the native threads. Upon receiving the USB removal event, we are trying to kill the threads (pthread_kill() ) and then finish (using finish()) the activity. After reconnecting the USB, the application is not launching due to memory corruption. In DDMS, it shows the threads are still attached to bionic. As the threads are not closed, I feel the resources were not released properly. If I reconnect again then application launches and works fine and the same repeats on every launch.

To solve this problem Can I use System.gc() ? Can I use pthread_exit() 1st and then pthread_join instead of pthread_kill ? Whats the procedure in Android to kill the native threads and also the application ? After the application is closed, will it not be listed in DDMS ?

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Android :: Launching Application In Market

Sep 30, 2010

I want to launch my application in market. I ahd go to http://market.android.com/publish/signup but there they are asking for Website URL. But i don't have any website then what should I enter there? or is it necessary to have our own website to launch application in market?

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Android :: How The Use Same Instances When Launching Application Twice

Apr 14, 2009

My app has 4 activities on the stack A->B->C->D (top)

If you press home and re-enter the application, another instance of A is started, so the stack is A->B->C->D->A (top). I know this because when I press BACK, A is popped off and I now see D (instead of going to the Home screen).

What I want is that when the user re-enters the app, they re-enter on the same activity they were in before (D).

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

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Android :: How To Use Same Instances When Launching Application Twice

Mar 17, 2009

Is it possible to re-use all the instances of Activities and Services when an application is launched twice. For instance: 1/ I start my application APP1. Some activities are launched and a service is started. 2/ I click "Home" device button 3/ I can see the icon the launch again my application APP1 4/ I click on it and the APP1 is launched twice

I would like to re-use the existing the instances of Activities and Services from the first launch. I guess it is related to "SingleTop" or "SingleTask" but it doesn't seem to work.

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Android :: Launching Appwidget From Another Application

Nov 9, 2009

Is it possible to launch an app widget from another application.

For example, I have a button in an application. When I click on that button, an appwidget must be launched.

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Android :: Launching External Application From App

Dec 29, 2009

I would like to launch an app the user selects from within my application. However, I'm not sure how I'd go about doing this. I've tried this:

Intent intent = new Intent();
intent.setAction(Contacts.Intents.SHOW_OR_CREATE_CONTACT);
startActivity(intent);

But this seems to throw an error and force close my application. I also tried adding:

<action android:name="Contacts.Intents.SHOW_OR_CREATE_CONTACT"/>

in the AndroidManifest file, but to no avail.

A look at Logcat shows that it's an "IOexception - no such file or directory". A couple of questions arise from this. I read through the Android docs and noticed that the Contact.Intents class is deprecated. However, it's successor, ContactContracts is aimed at API level 5 whereas I'm targeting API level 3. Could this be the problem? Also, I've hardcoded this application into the code. Is there a way to retrieve the intents of any application the user selects so that they can be launched?

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Android :: Launching An Application Using Browser

Oct 13, 2010

I want to launch an application in the phone by clicking its link in the browser..

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Android :: Launching Another Activity From Application

May 22, 2010

I am trying to launch another application from my Activity. Something weird happens when I am running this code :
Intent myIntent = new Intent( Intent.ACTION_MAIN, null );
myIntent.addCategory( Intent.CATEGORY_LAUNCHER );
myIntent.setFlags( Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED );
ComponentName compName=new ComponentName(myArray[i][0], myArray[i] [1] );
// String[][] myArray myIntent.setComponent( compName ); startActivity( myIntent );

I have this error :
android.content.ActivityNotFoundException: Unable to find explicit activity class { com.android.settings/com.android.settings.Settings};
Have you declared this activity in your AndroidManifest.xml?
But when I replace this line
// myArray[i][0] = "com.android.settings" // myArray[i][1] = "com.android.settings.Settings" ComponentName compName=new ComponentName(myArray[i][0], myArray[i] [1] );
with ComponentName compName=new ComponentName("com.android.settings","com.android.settings.Settings");
And without any modification in my manifest, it works!

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Android :: Launching Application From Settings Menu

Oct 3, 2010

I am looking for a way to launch my application(few Activities, Services, Receivers) from the Setting menu.

In other words I am interested to know:

1. I this a trivial task ?

2. Did someone has done such task before ?

3. What APIs and application's code should I learn

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Android :: Get Event On Launching The Native Application

Aug 6, 2010

1 . can we get any event when user tap/touch native application(i.e. messaging,contacts).

2 . i know that any application launch by intent in android, there is any way to know which application launch with launch of application.

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Android :: Launching Google Map Application - Unable To Get URL

May 4, 2010

I am launching Google map application from my application, using
Uri.parse("geo:" + "13.042206" + "," + "80.17000?z=10");
and its working fine. But I want to show direction between two latitudes and longitudes, for that I tried using this uri,
Uri.parse("geo:" + "13.042206" + "," + "80.17000" + "geo:" + "9.580000" + "," + "78.100000?z=10");
But I am getting a Toast telling "Unable to load the url".

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Android :: Launching Home Replacement Application

Jun 4, 2009

Is it possible to launch other apps from my app like the application launcher or home screen do? I don't want to try a home replacement app. At least would a widget on home screen be able to launch other applications? Also can a widget on the (default) home screen receive swipe events (before a touch event)?

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Android :: Phone Application Not Launching On Emulator

Nov 16, 2010

I'm testing a simple hello app and it's not launching on the emulator. There's no errors and the console is this:

[2010-11-16 21:26:06 - Hello World] ------------------------------
[2010-11-16 21:26:06 - Hello World] Android Launch!
[2010-11-16 21:26:06 - Hello World] adb is running normally.
[2010-11-16 21:26:06 - Hello World] Performing com.hello.HelloWorld.HelloWorld activity launch
[2010-11-16 21:26:09 - Hello World] Launching a new emulator with Virtual Device 'VirtualDevice2.2'

The emulator launches and the screen appears with the lock and my app doesn't start. Tried to unlock and go to launcher to look for my app and it's not there. Anyone can help me on this one?.......

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Android :: Launching Twitter Homepage In Application Using API?

Nov 8, 2010

I want to launch Twitter in my application. I want to know that, Is it possible to launch twitter in my app using any API? If it's possible, please post the code snippet. I should be able to see the real twitter homepage (not directly invoking the "url").

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Android :: Launch Local Drawable Resource In Gallery Application Using Intents

Sep 1, 2010

I have an app with locally stored .jpg files. I would like to be able to send the images (1 at a time, on user interaction) to the Gallery app's activity using an explicit intent.

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Android :: Unable To Remove Default Launching Of An Application

May 6, 2009

Example: I have a button which starts an activity with GET_CONTENT audio/* I have a menu with choices: Music Track or Sound Recorder and a checkbox. I check the box, it tells me that I can clear the setting in Application -> Manage Applications. I launch the Music Track with the box checked. I go to the application settings, but the "clear defaults" button is always enabled. It was already the case with 1.1 SDK, 1.5 does not help (tested on emulator 1.5 AND ADP1 with 1.5 recovery image). I also tested the allowClearUserData flag but it seems we cannot clear anything but the cache (for the webview ?)

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Android :: Application Component Not Instantiated Before Launching Activity

Dec 17, 2009

I got a null pointer exception in an Activity onCreate() while trying to access my Application object (extended from android.app.Application).This exception occurred very rarely and i have no way to reproduce this again.My App starts a service on BOOT_COMPLETED intent and the null pointer exception seems to have occurred during boot up. Can somebody please throw some light on this issue? Application should have been created before creating any activities.

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Android :: Launching Google Maps And Navigator From Application

Aug 18, 2010

I have an android application which allows the user to open up google maps or navigator to show a certain address. This functionality was working in the past, but now I get the following error and the app crashes:
ERROR/AndroidRuntime(2165):
android.content.ActivityNotFoundException:
No Activity found to handle Intent { act=android.intent.action.VIEW
dat=google.navigation:q=MCNAMARA+TERMINAL+ROMULUS+MI+48174 }

The two intents I'm using are-

1) For Map:
String uri = "geo:0,0?q=MCNAMARA+TERMINAL+ROMULUS+MI+48174";
Intent i = new Intent(Intent.ACTION_VIEW, Uri.parse(uri));
startActivity(i);

2) For Navigator:
String uri = "google.navigation:q=MCNAMARA+TERMINAL+ROMULUS+MI+48174";
Intent i = new Intent(Intent.ACTION_VIEW, Uri.parse(uri));
startActivity(i);

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Android :: Application Launching Timeout Expired - Exception Error

Sep 13, 2010

I have one application in android when I run that application it shows that exception

09-13 16:38:25.049: WARN/dalvikvm(269): VFY: arbitrarily rejecting large method (regs=132 count=21332)
09-13 16:38:25.049: WARN/dalvikvm(269): VFY: rejected Lcom/ExtraCharge/Calc;.onClick (Landroid/view/View;)V
09-13 16:38:25.059: WARN/dalvikvm(269): Verifier rejected class Lcom/ExtraCharge/Calc;
09-13 16:38:25.059: WARN/dalvikvm(269): Class init failed in newInstance call (Lcom/ExtraCharge/Calc;)
09-13 16:38:34.883: WARN/ActivityManager(64): Launch timeout has expired, giving up wake lock!
09-13 16:38:34.999: WARN/ActivityManager(64): Activity idle timeout for HistoryRecord{43f8da58 com.ExtraCharge/.Calc}

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Android :: Possible Bug With Intents / Pending Intents

Nov 7, 2009

I have some code that is creating and removing alarms, and which works great in Android 1.5 and 1.6 but breaks on the Android 2.0 AVD.The code that's giving this exception is: Code...

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Android :: Android Launching An Application Chooser With Appropriate List Of Applications

Aug 16, 2010

Although I have seen several threads and tutorials on this topic, I guess I still have some confusion on how an application can be chosen from a list of applications to display a file.

I have a Activity which has a list view in it. This list view is bound with file paths (so a file browser of sorts). When we click on a specific file type, I need a list of applications that can open that file.

So far this is what I have in the OnItemClick for the list item:

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

When I run this on my phone, the error is:
No Activity found to handle Intent { act=android.intent.action.VIEW cat=[android.intent.category.DEFAULT] dat=file:///

When I do the same in a file browser application (downloaded from the marketplace), I get two options (QuickOffice and Word to Go), both of which I have installed on my phone.

Could someone guide me as to what else is needed here? Things I have tried besides the above:


Add the following entries to the manifest:

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

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