Android :: SDK - Throw A Custom Exception From A Service To An Activity
Nov 26, 2009
I'm currently working on an XMPP app' on Android and I'm pondering about the best way to throw a different type of Exception than a RemoteException to my activity from my service.
As it seems impossible to throw another thing than a RemoteException using IPC (you can't declare to throw anything in your .aidl), I just see two solutions:
Create a listener for my activity to listen on my custom XMPP exception, which in fact will not be thrown but just sent as a usual object implementing the Parcelable protocol.
Catch my XMPPException and throw a RemoteException (with a content updated with my XMPPException) - But in that case, how could I know on my activity if it's an XMPP or a real RemoteException ? By tagging the name of the exception and parsing it on my activity ? It would be really gore.
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Aug 16, 2010
There does not seem to be any Android manifest permission that needs to be set for file io. Code...
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Feb 3, 2010
This worked in 1.5 but throw an exception in apk 2.0.
CODE:...............
Any one else experience the same? What should I use to send a SMS to an email address?
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Nov 13, 2009
I want to change the current activity inside a tab in a tab activity, after some research, I know that I need to use activity group to go this.
Then I created a new class extends ActivityGroup with the code below:
CODE:............
Then I run the program, the program throw the ActivityNotFoundException when the intent for the tab is launched.
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Jun 14, 2009
I'm trying to call a RESTful web service from an Android application using the following method:
CODE:................
I can browse to address and see the xml results using the Android Emulator browser and from my machine. I have given my app the INTERNET permission.
I'm developing with eclipse.
I've seen it mentioned that I might need to configure a proxy but since the web service i'm calling is on port 80 this shouldn't matter should it? I can call the method with the browser.
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Jul 31, 2010
I have two projects in Eclipse: service and UI client.
In onCreate in UI client I have:startService(new Intent(this, ExampleService.class));
But this fragment: ExampleService.class throws NoClassDefFoundError exception at runtime. I have installed ExampleService.apk, and ExampleUiClient.apk. Project compiles, and everything looks fine. What I am doing wrong?
Is it possible to start service from other apk?
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Jun 2, 2010
My web service should be returning an integer, but every time i run the code i get the NullPointerException error. i think my url string may be the problem, but i've tried using my ip with no luck. Code...
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Apr 26, 2010
I have a gallery in wich I show a row of images, the images can both be from the Camera gallery or from the internet as a web url. My getView() method makes an exception when I put to many images from the gallery inside it. Should i down sample the images before attaching them to the view? and how is that done ?
Heres my getView method:
CODE:........................
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Apr 4, 2010
I am getting IllegalArgumentException: Service is not registered when i try to stop my service by initially calling unbindservice and then stopService.
Before calling unbindService i first check if my service is still bound by checking (mBoundService - obtained from the ServiceConnection) I also check if the service is not stopped and only then i call the unbindService But I still get the error. From the posts that I read only I found out that both these calls are asynchronous and that the service will only stop when nothing is bound to it.
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May 20, 2014
I write a service that should work with LocationClient (Google Play Services). I have an IntentService and an AlarmReceiver (to get location periodically). I have an exception that I cannot catch.
AlarmReceiver.java
Code:
package com.afusionlocation;
import com.google.android.gms.common.ConnectionResult;[code].....
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Dec 22, 2009
I would like to know if there exists a way to listen for a custom exception in Android and display its text using an alert.
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Aug 20, 2010
I am using startActivity to call another Activity and I get the "Activity Not Found Exception".
Here is my code:
CODE:......
Here is the Logcat output:
CODE:.....
Here is the debug window output:
CODE:.....................
symptomRemedyActivity is another activity in my project. Is there something I need to do like importing symptomRemedyActivity so that startActivity can see symptomRemedyActivity, to remove this "Activity Not Found Exception"?
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Aug 16, 2009
I've created custom compound component and observe very strange exception (google says nothing about it). Custom component rare exception: Parser is not a BridgeXmlBlockParser!
It is very simple:
public class MyTabber extends LinearLayout {
.. public MyTabber(Context context) { super(context);
Init(context); }
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Aug 2, 2010
Whenever the memory needs to be reclaimed, the process is being killed by Activity Manager Service in killPidsForProcess. I have a back button in my activity window on right corner of the title bar.
I want to kill the activity completely on clicking the close button. Can I reuse the same function and will it have any major effect? Please help me out in this.
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Mar 16, 2009
I am playing with "android.speech.action.RECOGNIZE_SPEECH" and in the source it says to trap for ActivityNotFoundException. However, I am not sure how I can do this, the activity class doesn't support this event. I found it as part of android.content, but am not sure how to implement it. Multiple inheritance?
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Mar 3, 2010
I am encountering an exception in the onCreate method of an activity.
CODE:.......
The onCreate method is as below.
CODE:......
The layout view XML is as below.
CODE:..........
I've already changed the ID of the ExpandableListView to "list". But it is not effective.
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Jul 23, 2010
I get this exception when I try to inflate
07-22 19:15:39.903: ERROR/AndroidRuntime(3810): Caused by: java.lang.ClassCastException: android.widget.RelativeLayout
I have a base class:
public class UIBase extends RelativeLayout {}
And a more specific class:
public class Countdown extends UIBase {}
Then I try to inflate and it exceptions:
UIBase newView = (UIBase) inflater.inflate(layoutId, parent, true);
Here's the XML file:
CODE:..................
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Sep 10, 2010
I need to made an activity (without layout) that on start check if a service is running. if it is true it starts Activity2, if it false it starts Activity1.
I tried with this code:
CODE:............
Enter code here
But when I check, in the onCreate method, if serviceConnect!=null I receive sometime a NullPointerExcption.
I tried also to insert the operation in the method onCreate in an Async Task:
CODE:............
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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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Aug 22, 2010
The error I receive is, "android.content.ActivityNotFoundException: Unable to find explicit activity class {com.droidea.birthday/ EditBirthdayActivity}; have you declared this activity in your AndroidManifest.xml?"
The error seems simple enough, but I don't see a problem with the way I have identified this activity in my manifest file. I have also been unable to see any problems with the activity class itself..............
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Sep 15, 2010
What's the appropriate permission to be added to manifest tag for my activity group? Code...
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Jun 23, 2010
I have faced with issue about startActivityForResult() and onActivityResult(). If child activity started by the startActivityForResult() exit by unexpected exception the onActivityResult() is not called and I have no any ideas how can I handle this to get application working in a fail-safe manner ?
When my code runs child activity with startActivityForResult() it awaits until onActivityResult() will be invoked to get working further, but onActivityResult() is not calling and my code is "hang- up" (logically).
So the question is how can I handle all possible ways the child activity is finished (normally and by unexpected exception) to get fail-safe code ?
I have check the documentation for this issue but have found nothing relating issue.
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Nov 23, 2010
When I call a Web Service, it returns me this exception: java.net.SocketException Permission denied. I dont know waht is the actual problem. I don't know how to solve this? home.java page:............
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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 24, 2009
I'm testing how my app behaves when killed by the OS due to low memory conditions. I always have three activities on the stack, like: A B C (then C launches maps or some other heavy process)
when my app is killed, and I return to it, C starts itself up again ok. When I hit the back button to go to B, I [sometimes] get an exception thrown which I can't trace. Output is below. I don't know where to go from here. I've only seen one other post mentioning this exception, but it was related to a reproducable error when rotating the device. This only happens sometimes.
CODE:....................
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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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Nov 15, 2010
I have an error when i use intent to start activity when i choose a tab
CODE:...
The erroe is Sorry! The Application has stopped unexpectedly, please try again later
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Nov 19, 2010
I make login in my main activity.
If the login is correct, I wanna see my profile and download some data from server, but I cannot keep the connection, if I change activity.
How can I do this?
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Jul 14, 2010
I created a sql lite database with the following columns:
static final String dbName="demoDB";
static final String tableName="Employees";
static final String colID="EmployeeID";
public void onCreate(SQLiteDatabase db) {
// TODO Auto-generated method stub
db.execSQL("CREATE TABLE "+tableName+" ("+colID+" INTEGER PRIMARY KEY AUTOINCREMENT, "+
colName+" TEXT, "+colAge+" Integer);");
I want to select all the records in the database like this and display them in a gridview:SQLiteDatabase db=this.getWritableDatabase();Cursor cur= db.rawQuery("Select "+colName+", "+colAge+" from "+tableName, new String [] {});String [] from=new String []{DatabaseHelper.colName,DatabaseHelper.colAge};
int [] to=new int [] {R.id.colName,R.id.colAge};
SimpleCursorAdapter sca=new SimpleCursorAdapter(this,R.layout.gridrow,c,from,to);
GridView grid=(GridView)findViewById(R.id.grid);
grid.setAdapter(sca);but i receive the following exception:java.lang.IllegalArgumentException: column '_id' does not exist.the db table does not have a column with name '_id'so what is wrong with this code
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Mar 9, 2010
I am trying to throw 4 tables into a List<table> and then run a query on each through a loop... this isn't really working. ollowing code totally freehand as I had to undo the code I wrote because it wouldn't run :
//this first line is the one that I would imagine is the linchpin on getting this to work List<table> mTables = new List<table>(); mTable.add("character1") //add character 2 //add character 3 //add character 4 for (int i = 0; i < 4; i++) { mCursor = db.query(mTables.get(i), null null.......); mCursor.movetofirst;
//use ContentValue to update a few fields
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