Android :: Can't Implement OnKeyListener With Parameter View
Jun 9, 2010
Why I can't implement OnKeyListener with parameter View such as on example where parameters are (View v, int keyCode, KeyEvent event) I'm forced to use parameters (DialogInterface dialog, int keyCode, KeyEvent event) but not the View as I want.
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May 16, 2009
The green plane is shown on the golden-brown surface but when I press a key nothing happens. I want eventually be able to move the plane pressing 4 different keys + another one for shooting but that's easy if I can just get the thing moving in the first place. When I press a key in the emulator, nothing happens at all.
CODE:............................
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Jul 20, 2010
while I'm testing my app with Monkey test tool, I ran into the following exception: "IllegalArgumentException: parameter must be a descendant of this view"
I don't really understand why this exception happens, so I did some research about this and found the following: http://groups.google.com/group/android-developers/browse_thread/threa...
According to the above post, the issue once was resolved in Donut release, but some ppl say it still happens. Is there anyone who knows anything about this issue? As far as I understood, this issue shouldn't occur unless you intendedly call the method ViewGroup.offsetDescendantRectToMyCoords to get an exception.
My app is using Tab, which means it has a lot of views in it. (including view changes too.) I don't really call setContentView repeatedly in my app though. Someone in the above post said that calling setContentView several times can cause this issue, so I just wanted to make sure that my app is not the case.
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Jul 2, 2009
I am using Android SDK 1.5. I am developing an activity with multiple content views. It will call setContentView() with different viewgroup instance for different functionality. It contains a text input dialog popped up by an option menu item. I didn't specify anything for IME in mainfest.xml & EditText attributes. I found at first, the soft keyboard for the text input dialog will overlap on the activity content view. But after several content view switch (by calling setContentView() with different ViewGroup instance), the soft keyboard will resize the activity content view. Why this inconsistent behavior happens?
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Nov 19, 2010
I'm testing some functions with Android, JNI and NDK. I have the following JAVA class:
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.TextView;
public class JNITest extends Activity {
private int contador;
/** Called when the activity is first created. */...........................
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May 7, 2009
Just like the html a tag, I want dispaly a link text, when user click the linkView then trigger some evnet( link: open a new page). when user click the google text ,then open the google home page: www.google.com. I saw the TextView and the Linkify class, but is can only display the url to a underline link text.
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May 8, 2010
In the Android docs on AlertDialog, it gives the following instruction and example for setting a custom view in an AlertDialog:If you want to display a more complex view, look up the FrameLayout called "body" and add your view to it:First off, it's pretty obvious that add() is a typo and is meant to be addView().I'm confused by the first line using R.id.body. It seems that it's the body element of the AlertDialog but I can't just enter that in my code b/c it gives a compile error. Where does R.id.body get defined or assigned or whatever?
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Jul 7, 2010
I have a ListView that displays a set of notes, each with varying ammounts of data (i.e. some have a due date, others don't).Currently, each view in the list is a RelativeLayout containing a TextView for each field, plus two Button and a CheckBox. I then simply hide the unused fields by setting visible false on each one.This has worked well, but I'm about to add a lot more data fields to the notes and inflating that many unneeded views for each row will surely kill my app. I need a more dynamic solution.I've decided the best way to go is to create a custom view. How can I implement/design my view so that it can display a variable number of text fields without creating/ destroying textviews each time (which would be quite expensive and worse than my current situation), or maintaining a large pool of hidden textviews?
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Dec 7, 2009
I have implemented a custom adapter the extends from the BaseAdapter and implements the getView method. It works fine except for one thing, not once do I get the convert View (a parameter to the getView method) that is not null (that can be reused).
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Sep 12, 2010
I defined an EditText-field and I want to be informed when the user edits that fields.
So I thought: simple - I add an OnKeyListener and so I did. But even though the text field gets edited (and even displays the entered/modified text) I don't get any callback, i.e. the LOG-output doesn't show up.
CODE:......
why that callback is never called?
Android is really full of oddities! It seems that almost nothing I touched so far worked immediatly as one would expect. And - believe it or not - I have LOTS of experience with GUIs, esp. in Java (AWT, Swing, SWT, you name it...) But Android is a really tough beast!
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May 20, 2010
I need to implement a list view with checkbox and each item should be associated with images.
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Jul 15, 2010
I am using one class which extends ListActivity and One class extending BaseAdapter.
The Base Adapter uses getView function to inflate layout from xml.
The xml contains a text and a button to delete the row of list.
Please let me know how to handle the button click in the ListActivity class.
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Jul 12, 2010
Sample code there is a method getitem(position) in the class of image adapter which returns null for the sample example. However, this method is important and is supposed to return the corresponding data item of the image adapter. For example the image adapter could generate a series of customized image views by magically calling the getview method. How could we implement the getitem(position) method under this case to help us gain access to these customized image views?
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Dec 28, 2009
I am using onKeyListener to get the onKey events. It works fine with the normal keyboard. But it does not work with soft keyboard. I am only able to get onKey events for numerics and not alphabets. Is there any workaround to solve this?
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Nov 4, 2010
How to pass parameter value to web service in Android?
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Dec 7, 2009
How can i specify command-line parameter when I launch an android application? 1- With Eclipse 2- Directly from the phone
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Nov 29, 2009
I need to call a web service using ksoap2, I have been doing this successfully up till the point where I need to pass a more complex type to the web service.Does anybody have an example of passing a complex type to a webservice, preferably, only using SoapObject (the object in question is only Strings and dateTimes.
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Jul 6, 2010
I want to send data to server from client(Android)
Below is my format.
CODE:......................
I'm trying series of trial but no use, how this can be done?
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Apr 12, 2009
My contacts contain a lot of duplicated records, I want to use the traditional SQL clause "UNIQUE" to get the unique records, is it doable thru the query() method call? Thanks. I tried with the selectionArgs argument but failed.
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Aug 11, 2010
All the classes in Android that can be built using XML have constructors of the form:
Context context, AttributeSet attrs, int defStyle
What is the defstyle parameter?
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Jan 21, 2010
I'm using eclipse to develop over android, i'm trying to connect to a .net webservice...when i'm calling a webmethod with no parameters it works fine... but when i come to pass a parameter to the webmethod things turn upside down... the parameter is passed as null (while debugging the webservice i discovered that) and i get a null from the webmethod in the client side code... i've been searching for a solution for a day now and all that i can interpreter is that people keep talking about encoding styles and such stuff.... i've tried it all but in vain. i'm using ksoap2 version 2.3 with the following code:
CODE:......................
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Dec 16, 2009
I am trying to send a sms throughout an application. I want the user to be redirected to the default sms interface, but I want to give in parameter the phone number of the receiver of the sms.
Here is my code:
CODE:.........
The problem here is that it doesn't take the value of the phone number, it is still empty.
I also added this: m_intent.putExtra("sms_body", "Hello World"); and it is working.
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Aug 13, 2010
I want to get image resource id by its name
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Aug 27, 2010
Which parameter passing method is used in Android? Pass by reference or Pass by Value? Please provide an Android Specific example for the same.
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Oct 15, 2010
I am passing parameter to new activity using tab host in android but it showing illegal exception code...
can anybody tell how to pass parameter using intent with tabhost in android
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Jul 22, 2010
I try to save a unique image to each object but I get this error, how should the constructor look for it to work that way? The constructor Beer(String, int, int) is undefined
m_beer = new ArrayList<Beer>();
final Beer b1 = new Beer("Tuborg", 7, R.drawable.tuborg);
final Beer b2 = new Beer("Carlsberg", 7, R.drawable.carlsberg);
final Beer b3 = new Beer("Urquel", 9, R.drawable.urquel);
public class Beer { //Members private String name;
private int color; //1 = Very dark 10 = Very light private R.drawable icon;
//Methods public Beer(String name, int color, R.drawable icon) {
this.name = name; this.color = color; this.icon = icon;
} public String getName() { return name;
} public void setName(String name) { this.name = name;
} public int getColor() { return this.color;
} public void setColor(int color) { this.color = color;
} public R.drawable getIcon() { return icon;
} }
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Mar 9, 2009
I want to pass a class reference to an activity, and then the activity will construct the view according to the content of the class.
How could I implement this function?
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May 14, 2010
How to pass a parameter to an application that I call from my Application?
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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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Apr 19, 2010
I'm building an android application, which has a list view, and in the list view, a click listener, containing an onItemClick method. So I have something like this:
public class myList extends ListActivity {
@Override
public void onCreate(Bundle savedInstanceState) {
getListView().setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
/* Do something*/
}
}
}
Normally, this works fine. However, many times I find myself needing too preform an application using the outer class as a context. thusfar, I've used: parent.getContext(); to do this, but I would like to know, is that a bad idea? I can't really call: because it's not really a subclass, just an embedded one. So is there any better way, or is that considered cosure? Also, if it is the right way, what should I do if the embedded method doesn't have a parameter to get the outside class?
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