Android :: Method SetListAdapter(ArrayAdapter) Is Undefined For Type Create
Jun 13, 2010
I am completely new to java & android ,so I try to found useful sample about android & databases . So I found this blog with project I run project and he works fine, but I was trying to create new project and to copy & past code in it and this is not working :( I had problem on this line: " this.setListAdapter(new ArrayAdapter(this, android.R.layout.simple_list_item_1,results)); Error: "The method setListAdapter(ArrayAdapter) is undefined for the type create" It's look like method in C# but I can found it in original project.
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Oct 17, 2010
I have an error stating something like: The method foo() is undefined for the type bar(){}
Eclipse tells me that after entering this code:
CODE:...........
I'm not sure if this is the problem, but I have it located under....
CODE:......
I'm guessing it has a problem with "this." I'm still learning about Android so I'm going pretty basic.
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Jul 26, 2010
I am getting the following error:
ERROR: The method killBackgroundProcesses(String) is undefined for the type ActivityManager
Now I am dead sure that ActivityManager contains that method http://developer.android.com/reference/android/app/ActivityManager.html#killBackgroundProcesses%28java.lang.String%29.
Here is the code.
CODE:...........
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Mar 2, 2010
I am creating a Geocoder object like.
CODE:.......
Here i got this error in eclipse. i.e.
The method getBaseContext() is undefined for the type MyMapOverlay
getBaseContext() is a default method in android.content.ContextWrapper class.
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Nov 13, 2010
I am developing an app that upon receiving an SMS message with a unique string of text, the GPS is enabled and starts tracking the location of the phone. The issue I'm having is with the getSystemService() method.
I receive the error "The method getSystemService(String) is undefined for the type SmsReceiver", I believe this is because it does not have a context. I have tried to add in a context with in my code with 'ctx', and that removes the error but my application crashes every time I run it on my phone. The code for recieving the SMS works fine, and the GPS location tracking code works fine if it's in my main class.
I still don't fully understand contexts.
CODE:.....................
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Apr 23, 2009
I'm a new android developper and I have problem with my database. In fact, I have done: private EditText name; private EditText number; private void saveState() {String name = name.getText().toString(); String number = number.getText().toString(); I have this message:" The method getText() is undefined for the type String"
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Sep 24, 2010
I have the following code but there is an error: "The method getSharedPreferences(String, int) is undefined for the type EventsData".
Does it mean I need to extend both SQLLiteOpenHelper and Activity?
CODE:.............
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Aug 15, 2010
I'm trying to open database as follows :
CODE:...
This code works fine when I implement it in the Service class, but when I try to implement this in the onPostExecute eventhandler of the GeneraterThread class,implementing AsyncTask, I get the following error :
'The method openOrCreateDatabase(String, int, null) is undefined for the type GeneraterThread'
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Sep 7, 2010
I'm trying to override the onBackPressed() method of the ActivityGroup class:
public class MyClass extends ActivityGroup {
@Override
public void onBackPressed() {
// do something
return;
}
but I'm getting the error The method onBackPressed() of type MyClass must override a superclass method. I'm relatively new to Java, I've seen here that people do it and it works for them Why I'm getting this error? I'm writing an app for android 1.5, could the problem be here?
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Jul 20, 2010
Wonder why do I get this error?
String srvcName = Context.TELEPHONY_SERVICE; TelephonyManager telephonyManager = (TelephonyManager)getSystemService(srvcName); String deviceId = telephonyManager.getDeviceId();
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Sep 14, 2010
I need to create an ArrayAdapter and a Spinner that are totally dynamic and have nothing to do with the layout file.
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Jul 25, 2009
I have got a problem. How can i create the following rectangle by using Rect class? I mean Diagonal Rectangle. Is it possible through Rect class?? if not then any other way?
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Jul 12, 2010
I want to create a new account type for gmail. Looking at the code it looks like to create a new account type, I need to add a new provider for gmail. Is it true? Can't I reuse existing providers to create a new account type?
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Oct 7, 2010
I wish to have a single class which all of my Activity classes extend. I have ListActivities, Activities, MapActivities, TabActivities, etc in my App.
I have many of these different activities in my app, ~12 activities. I want each of them to have the methods which are in the parent class.
Right now, i have created 4 parent activity classes which are extended from a certain activity depending on their type(ListActivity, Activity, MapActivity, TabActivity)
I am creating a lot of redundant code - each of the 4 parent activities has almost identical code, in exception for what class activity it extends.
Here is an example that may clarify what my problem is:
I have an Activity: MenuScreen which extends BaseListActivity BaseListActivity extends ListActivity BaseListActivity contains methods and fields which i want all my activities to have access to I have another Activity: HomeScreen which extends BaseActivity BaseActivity extends Activity BaseActivity contains the same methods and fields which are in my other Base[<type>]Activity classes(such as BaseListActivity)
These methods/fields are copy-pasted to all my Base[<type>]Activity, and seems awfully redundant to me.
Can i create a master activity class which all types of Activity classes can use as its parent? if not, am i stuck with copy and pasting this code and feeling gross/dirty about it?
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Aug 31, 2010
I want to call a method every X minutes, if my method got a result it ´should inform the user by vibrating or showing a alertbox. if the method doesn't get a result it should wait for X minutes and restart. What is important, this should also work when the phone turns to sleep. Which means I want to wake the phone from sleep to run my method. Actualy I can activate my method via a Button, and it is working like I want it to be except the background loop thing.
I already searching for a solution here in the group or also on google but I think I don't got the right search terms to find a solution for my problme. I already read about the AlarmManager and broadcast receiver but I'm not sure if this is right for my problem.
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Sep 1, 2010
is it possible to start a context menu on the onCreate method? I know its probably bad design ethics but I have my resons! I've tried the: register For Context Menu (this.getCurrentFocus()); But its not working.. So does anyone have any better ideas?
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
LinearLayout layout = new LinearLayout(this);
layout.setLayoutParams(new
LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
//Button button = new Button(this);
//button.setLayoutParams(new
//LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
//button.setText("my button");
TextView text = new TextView(this);
text.setLayoutParams(new
LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
layout.addView(text);
setContentView(layout);
registerForContextMenu(text);
openContextMenu(layout);
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Sep 6, 2010
I want to create a method to open a popup when i click on it and the title and the text would be automatic, something like this :
CODE:...........
But test is a String and set Message doesn't accept Strings, and it would come from a resource XML, like Strings.xml. So i don't know ho to do this. And the 'getTitle()' i don't think it could work. My method to take the title is this one.
CODE:...........................
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Apr 30, 2010
I noticed a lot of Android functions have a parameter that you can pass in that's a bitmask, for different options, like on PendingIntent, you can pass in things like you can call getActivity() with PendingIntent.FLAG_CANCEL_CURRENT|PendingIntent.FLAG_NO_CREATE.
I'm wondering how I can create a function that has a parameter like this?
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Oct 16, 2009
my app is working perfectly and playing its music in the 1.5 and 1.6 emulators, my ADP1, and for everyone in the Android Market (at least there were no complaints). The problem is that when the app is run on the ARCHOS 5 tabled, the MediaPlayer.create(Context context, int resid) method returns null. I guess there might be a problem with the ARCHOS' Android implementation, but did anyone experience the same problem? What might be a possible reason for the create method to return false? The docs don't say anything. I'm also using SoundPool in parallel with MediaPlayer if that's relevant.
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Sep 3, 2010
I have placed an icon on the status bar. I would like to run a method of another class whenever the user selects that icon. I've seen similar functionality used in volume icons that sit on the status bar that allow a user to raise or lower the volume when the icon is clicked. However, these icons are on the right side of the status bar, and from what I've seen, I'm not allowed to put an icon there. I don't know if that kind of functionality is available to left side icons. So basically, I'm looking for how to run a function when a status bar icon is clicked. I don't want to open an activity, I just want to run a function.
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Jun 3, 2012
So how can I create a custom method.I have several image buttons that I need to change the characteristics of such as an image when it is pushed and when it is not pushed. So when I push one button it changes to a pushed image for that button and ALL other buttons revert to an unpushed image. Currently I have to have this code in every button click method I would LOVE to create one method that I can call from each button click method that way if I have to change anything it is in one place.
I would love to when a button is tapped
call the custom method to revert all buttons to unpushed
then change the button being tapped to pushed
A very common process but I can't figure out how to write the custom method and then call it,,calling it should be simple something like custommethod.
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Jan 16, 2010
I'm trying to create a basic sample Stop Watch type application which basically displays a timer. It can then be stopped and started. I'm using the mUpdateTimeTask to do this. However my app just crashed when I run it.
publicclass TimeWatch extends Activity {
/** Called when the activity is first created. */
private Button btnStart;
[Code]....
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Sep 3, 2010
I am thinking to create a static method to return a reference to the application instance. I am not sure if it is safe to assume there is only one instance of the Application in one application. Apparently, the Application class in Android SDK doesn't provide such method to return the instance reference. So I suspect there must be a reason?
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Aug 18, 2010
I am testing my application on an LG Eve phone. I have an application that tries to download something from the web, and when it throws an exception, it is supposed to launch an alertdialog saying that there was an error. When the phone has no wifi signal, the program crashes at builder.create() (see code below). However, when there is wifi signal, and the exception is thrown by something else (for instance, a typo in the url), the dialog launches the way it's supposed to. Any clue as to why this could be?
Code for onCreateDialog:
@Override
protected Dialog onCreateDialog(int id){
Dialog d = null;
switch (id){...............
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Sep 7, 2010
How can I implement a run() method of thread if I create a Thread Global?
I mean If I create a Thread Globally then can I implement its run() method {" public void run()"} anywhere in my Application?
In the run() method I have to write the code to perform some action.
IF I can do it then please can anyone show me briefly how to do it particularly.
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May 5, 2010
I started learning Java and how to program for Android last night. So far I'm on this tutorial: developer.android.com/resources/tutorials/views/hello-tabwidget.html. Clearly these tutorials have been designed for people that already have experience with Java.
Despite the tutorial lacking all the required steps (for an absolute beginner with Java) and even having a typo, it seems I've figured everything out (which I'm really proud of :p). Except I cannot figure out how to fix TabHost tabHost = getTabHost(); which apparently is undefined.
I have one other error shown in the linked image below, but I don't see why.
Here is the linked image.
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Sep 8, 2010
I want to draw bitmap on draw method in MyPositionOverlay extends Overlay class but I get this error: The method getResource() is undefined for the type MyPositionOverlay
Here is code form draw method:
CODE:,,,,,,,,,,,,,,
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May 24, 2010
Eclipse is marking findViewById(int) as undefined; it was doing the same thing for getResources(), but I was able to get around that by calling context.getResources() instead (as seen below) and can't seem to find a similar workaround for findViewById.
Here is the code:
CODE:.....................
Is there another package I need to import for findViewById?
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Oct 7, 2009
I've created a test project with three identical classes that extend BroadcastReceiver, named
TestReceiverOne TestReceiverTwo TestReceiverThree
They each have the following function as their content:
CODE:...................
I've added each BroadcastReceiver class to the manifest, have it accept the appropriate action/category, and start debugging. I've set breakpoints in the onReceive method of each test class, and in the anonymous inner BroadcastReceiver in my onCreate.
Unfortunately, I seem to be getting somewhat undefined behavior. Sometimes getResultExtras in my second onReceive will return null. Sometimes getResultCode in the second onReceive returns 0. Sometimes I'm 1 off in my third onReceive. Sometimes I get the wrong numResults in onReceive in my activity.
Is there some other behavior I have to specify when using setResult and getResult in an ordered broadcast?
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Nov 19, 2010
When compiling the following C code with ndk-build in Terminal (I'm running Ubuntu):
CODE:......
With this Android.mk file:
CODE:.......
I get an error, undefined reference to glVertexPointer. I'm wondering why because I believe I properly included the headers and linked up the libraries in the Android.mk
CODE:.......................
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