Android :: Searchable Activity's Intent.getAction() Null?
Apr 25, 2010
I've followed the SearchManager documentation yet am still having trouble making one of my app's activities searchable. From my activity, the Search dialog appears, I enter a query, hit search, my activity reopens, then I see this in the log:
CODE:.....................
It appears to me that everything is fine up until the last three lines. The "NI" lines are getIntent().toString(), getIntent().getAction(), and getIntent().hasExtra(SearchManager.QUERY) respectively.
ActivityManager appears to be starting my activity with the correct action. Then when my activity starts, it contains no action!? What am I doing wrong?
The relevant portion of my manifest is:
CODE:..............................
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Oct 28, 2010
I am trying to implement search in my application.
My application contain 4 activities and I want to add the search dialog only on 3 of them while only one of them (ProductsActivity) will be the default context.
unfortunately while I activate the search I keep getting the following error:
"Key android.app.default_searchable expected String but value was a java.lang.Integer. The default value was returned." code...
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Jun 17, 2010
I am having a problem where in the started Intent, the findViewById returns null. Is there anything special I should know about starting a new intent? It goes something like this for me:
//in the MainList class
Intent stuffList = new Intent(this, StuffList.class);
then in the new Stuff's constructor:...............
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Mar 27, 2012
I have an android application which contains multiple activities. In one of them I'm using a button which will call the device camera :
Code:
public void onClick(View view) {
Intent photoIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
startActivityForResult(photoIntent, IMAGE_CAPTURE);[code]....
The problem is that the intent data is null and the OnActivityResult method turns directly to the (resultCode == RESULT_CANCELED) and the application returns to the previous avtivity.How can I fix this issue and after calling the camera, the application returns to the current activity which contains an ImageView which will contains the picture taken?
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Aug 30, 2012
I am developing am app to take photos and Video and then email the file to the user. The app works fine for photos on the phone and simulator. And works fine for Video on the simulator, but when I try video on the phone it returns a null pointer on the line Uri u = data.getData(). The phone I have tried it on is the HTC.
ContentValues values = new ContentValues ();
values.put(MediaStore.Video.Media.MIME_TYPE, "video/3gp");
values.put(MediaStore.Video.Media.DESCRIPTION, "Video");
ImageUri = getContentResolver().insert (android.provider.MediaStore.Video.Media.EXTERNAL_CONTENT_URI, values);
[code]....
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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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Aug 16, 2010
I am following the Parcelable example in the Android developer guide with the intention of having a more complex object that I send to different activities. Right now, my class is a wrapper of a String member. If I put the object in the intent and read it back from the Intent it reads as expected, however, on the receiver side, it is always null-pointer.
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Sep 10, 2009
As the title says? Or what situations can cause this method to return null? I would of thought it retained this object always.
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Apr 20, 2010
I am using an Application object to store app-wide instance data--data that I need to remain in existence for the entire lifetime of the app, so the Application class seems like the proper place to put it. I have just finished reading this thread http://groups.google.com/group/android-developers/browse_thread/threa... that goes into pretty good detail and receives confirmation from Googler hackbod as to how the Application class performs--and from that info it seems this strange behavior I am receiving should not be happening...
Basically, every once in a while when I resume my app in any of its Activities (it is still running in memory so onCreate is not called) I get NullPointerExceptions because instance variables in my Application class are returning null when I request them from my Activity (via a getter method in my custom Application class). It seems as if sometimes Android saves the states of my Activities but deletes all my instance variable data... This can't be an Android problem--there must be something wrong with my code.
Has anyone else ever ran into an issue of this kind? Any ideas as to what may be causing this? I'm not going to post my code here as that won't help anyone, but hopefully someone can point me in some helpful directions.
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Jul 27, 2010
I have built an activity to handle gestures in my Android game and want it to respond to a gesture anywhere on the screen but I am getting this error on the Log:
CODE:...............
I understand I need to allocate a view to the activity and as you will see in my XML, a view called gestures will serve this purpose but I keep getting Inflation errors when trying to inflate the view. Before when this happened to me it was a misspelling of the view name in the XML but that's not it this time I don't think.
How would I properly assign the 'gesture' view to this activity to prevent the errors?
I have defined my activity in my code like this:
CODE:...............
I have created the activity in the main thread in it's doStart() method by saying:
CODE:............
And my XML layout looks like this:
CODE:...................
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Dec 4, 2009
I wrote CustomView Class, and load it in layout. so i trid to find CustomView using findViewById() in activiy to get handle. but findViewById() was return null.
Written Code is like below:
CODE:.........
MapCanvas.java:
CODE:...............
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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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Jun 19, 2010
My app crashes with a null pointer exception on the code below. I have an xml preference file under res/xml/defaults.xml
public class Preference extends Activity {
public Preference() {
} public String getPreference(String key)
{ //it still crashes here
SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(this.getApplicationContext());
String result = settings.getString(key, null); return result;
} }
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Nov 19, 2010
I'm trying to bring up the standard window for Bluetooth Settings (with Device name, Discoverability etc). However, general approach with startActivity(intent) ends with NullPointerException pointing to BluetoothSettings.java onCreate:135. Checking with the Android code, I've found that at line 135 they get some extras from the intent. So I prepare the same extras (names I've found in android core BluetoothDevicePicker interface) and issue it -- the same effect with NullPointerException. Might be the wrongs names of the extras I prepare? So is there a way I can see those extras (with names especially) from the intent the system itself submits when I open Bluetooth Settings manually acting like a user. Code...
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May 31, 2012
I've managed to incorporate in-app billing into our product but it is failing on one of my two test devices - a Samsung Vibrant / Galaxy S running Android 4.0.3
The transactions themselves are confirming - reserved product ID's and our actual product ID's - but on this particular phone once the response code is received and the app's activity is brought back into view, several variables holding operation-critical values are NULLed out, crashing the app and preventing actions associated with the purchase.
This DOES NOT happen on another test device - an HTC Sense running Android 2.3.4.
Both devices are running Play Store version 3.5.19.
At a loss right now for trouble shooting. If there is a way to extract the product ID from the signedData bundle returned from the Play Store it would be a way for me to side-step the problem.
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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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