Android :: Using Custom Widget From One Project In Another
Oct 28, 2010
I'm attempting to use a custom Android vertical scrollbar widget that seems to work fine in its own example project, but I am having trouble trying to include it into my project. I've exported a .jar from it to use in my project, but it seems to be a minefield of problems, from duplicate resources, to my XML layouts not able to get at styles inside the library, and errors "inflating class" when reading my XML layout file.How should I go about using the widget from another project in my own?Quite new to Java development (know the language, but not much of the overarching project/package management), so if there's some good text regarding that it would be appreciated.
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Jun 9, 2010
I am trying to create and use jar file in an Android project under Eclipse. I have tried various methods without any success. Here are the steps..
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Apr 23, 2010
Every app I make starts out with a number of common base classes, interfaces, utility classes and a basic package structure that has been working for me. Is there a way for me to set up a project template in Eclipse that will give me all of the basic Android project stuff PLUS a bunch of custom packages, classes and interfaces? I guess I could just put all of this stuff into one or more libraries as opposed to creating a whole project template, so if you have a preferred approach or information/links/etc on how to do any of the above, please share (I'm relatively inexperienced with Eclipse, so the more detail the better).
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Mar 21, 2010
Somethings I'll have an? .xml file selected when I compile a project, only to have a? .out.xml generated. Deleting the file doesn't clear the error, and Eclipse won't compile the project. It just reports that your project contains errors. The solution is to go to Project/Clean. This will clear the error in the project and allow it to compile.
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Aug 11, 2010
I can now get our Android project to talk to our non-Android project. But there's still an issue: I are trying to have an Android class call a non Android Hello World class. I tried compiling our non-Android Hello World class in a separate Eclipse workspace. I then packaged it into a jar. I imported that jar into our Android Hello World class.
I then called one of the methods in the non-Android Hello World class. When I ran the Android Hello World class as an Android application, the following runtime error occurred. Here are the Android debug logs:
08-11 09:07:56.764: ERROR/AndroidRuntime(333): FATAL EXCEPTION: main
08-11 09:07:56.764: ERROR/AndroidRuntime(333): java.lang.ExceptionInInitializerError
08-11 09:07:56.764: ERROR/AndroidRuntime(333): at com.hello2.hello2.onCreate(hello2.java:27)
08-11 09:07:56.764: ERROR/AndroidRuntime(333): at android.app.Instrumentation.callActivityOnCreate(I nstrumentation.java:1047).....................
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Apr 14, 2010
I have an XML file in my layout folder that has how i want my custom widget/view (not sure what correct terminology is here).but how do i make it so that i can programatically, add one or more to an activity
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Jun 6, 2010
I have 2 android projects out of which I modified one to work as a library. I want the main project to refer to this library to perform few functions. While this scenario works just as expected, I want to introduce one more functionality. I want to link this library project with another just a java project which has code common to both Android and Blackberry applications. This second part however doesn't seem to work and throws "The application <appname> (<package name>) has stopped unexpectedly. Please try again" with a ForceClose button. I would greatly appreciate if someone can give a brief information on how to make this work.
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Jan 25, 2010
I am a C# developer and getting started with Android. I am attempting to duplicate a couple applications I already have in VS. The project is made of 2 executables and 1 common assembly. The 2 executables contain the application specific logic while the common contains centralized forms and logic (such as login form). I am using Eclipse. So how can I accomplish this layout?
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Nov 19, 2010
Can I use a custom view like com.examples.me.customview in the xml file of a app widget and can then draw in the onDraw of the custom view? Or do I have to draw into the drawing cache of an ImageView instead?
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Aug 2, 2010
i made a extended a View, overwrote the 3 View Contructors and tried to insert it on my xml of a widget.is it possible to use custom views in Widgets?
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Oct 1, 2010
I am writing a clock widget that uses customised bitmaps (so the widget loads the bitmap from the sdcard) Just have a couple of questions regarding how updates work:
1. if i want to display seconds on the clock widget will the widget load the bitmaps off the disk every second or can they be cached somehow so it doesn't reload off the disk each time. or If it does reload a bitmap each second, would this use a lot of power?
2. If i load the customised number bitmaps into a static array and then pass them as bitmaps to the widget would this use less power than just loading off the SD card?
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Mar 11, 2010
I'm writing an app that will host widgets. The app has custom view (which probably is the source of issue).mView.addWidget() basically just remembers this AppWidgetHostView instance and then mView draws it directly onto canvas. Visually everything is fine.I can see the actual widget. But the issue is with reacting on UI events. Please advise what needs to be done in the parent view in order to correctly trigger handlers in the widgets like onClick().I used standard widgets which normally react on click events. None worked.I also created my own test widget with listener and onClick()is successfully triggered if the widget is added on Homescreen, but doesn't work in my app.mView correctly detects click event and I tried to call widget.perform Click there, which returns false meaning onClickListener is not registered in the widget. But according to source .would call updateAppWidget which would register its onClick listener.
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Dec 3, 2009
instead of referring the custom widget by a fully qualified class name, is it possible to map with a shorter name. Like it happens in ant custom tasks (though properties file).
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Apr 25, 2009
I am trying to add a button to a custom imageview. I have created a custom view to display an image to the screen, now i wanted to add a custom button on this veiw and display a layout in onClick. The following is my custom view.
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Nov 12, 2009
I created a multiline textview widget which handles ellipsizing - is it appropriate to post it here in this forum for feedback, or is there an android site dedicated for custom widgets in the community?
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Aug 13, 2010
I can add children just fine, but I'm never getting my custom onDraw() being called. dispatchDraw() gets called, but that seems to have a different canvas (the one that's within the padding. I need to draw on the whole layout area). Is there some flag that needs to get set to get onDraw() called for the layout?
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Feb 8, 2010
I am developing a desktop widget.I would like to pop up a custom dialog when a remote view is clicked (much like the Facebook widget on Android when the user clicks in the update status field).I know how to use pending intents to launch an activity and have that currently hooked up.
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Feb 25, 2009
I have read the LabelView example in APIDemo which show how to create a custom widget.However, what if I want to create a custom widget which is a composite of existing android widget?I know my custom widget need to be inherited from view, but if i do that, I can't do 'setContentView()' in my custom widget class (since that is an Activity method).so how can I apply the above xml to my custom widget class?
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Jun 17, 2009
I would like to create a button with circular or rectangular background, text and an image below or above the text.I would like to create a CustomButton object with methods setText() and setImage() which would change the button text and image and place multiple CustomButtons into main layout.Does anyone know how to create a custom layout, place it into another layout(main) and modify its elements from the activity which is bound to main layout?
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Sep 21, 2009
In the ApiDemos, there is a view example called Gallery1 which declares a custom style in attrs.xml.I want to do the same thing for my widgets, but using a different namespace. However, as soon as I replace the android: namespace with something else,Unable to find attribute? Why does it look for an attribute I am about to declare? Isn't the point of this file to be able to name your own custom attributes?It's interesting to note that it works if you do not supply a custom namespace, but just an attribute name.
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May 11, 2010
I'm trying to make a widget to my app, but it doesnt update.I just need to change the textview text and open an activity when a press a button, but none of them works
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May 11, 2010
you can see where he's defined a custom widget called ColorMixer.ColorMixer has an attribute named "initialColor" declared in attrs.xml.but getIdentifier never returns anything but zero.Is there something more I should be doing? I want to re-write this code to be completely independent of 'R'
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Aug 8, 2010
I followed the instructions here on how to create an Android library project, and use it in an Android application:
http://developer.android.com/guide/developing/eclipse-adt.html
But it is not working. I can see the library project is added to my application but I cannot reference anything in it because it won't build. The R.java file from the lib is NOT being added to my application project, so the lib project contains tons of errors, everywhere it tries to reference it's own R.java file.
I don't know if this has anything to do with it, but in the console there are messages stating that the there is "No resource identifier found for attribute 'X' in package 'Lib Package'. My library package has a a few styleable attributes defined for a custom view I made, all of which are being complained about in this console message. The library builds just fine, and I don't get those messages in the console until I hook the library to my application, so I don't know what's up with this.
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Jun 11, 2009
I love the SlidingDrawer widget, but would love to be able to have it slide down from the top of the screen (like the notification bar) vs. just the bottom. Is this possible, or am I looking at copying the code to create a custom implementation
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Aug 6, 2010
I have defined custom views in the various layout .xml files. However, all the layouts are using the Linear Layout - put the content would vary.
I would like to create my own widget tag something like <com.mypackage.MyLinearLayout />, I would like to pass the layout as a param to the <com.mypackage.MyLinearLayout layout="@layout/simple.xml" />
How to define new attributes to the custom widgets ? Simply defining a getter/setter method would work or is there any other references.
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Jul 6, 2009
I have made a custom widget, very similar to JTable in Swing. It is not editable, and all data is replaced at once, allowing easy checking for the widest item in each column & custom col sizing at replace time. It is a subclass of LinearLayout, filled with re-usable TableRow Objects, sub-classed directly from View.
TableRow is both Clickable, focusable, & focusable In Touch Mode. TableRow overrides onDraw(Canvas), calling super. It draws the first column in Black with Lt gray underneath. If the TableRow isFocused () , then a filled rectangle is drawn, before the rest of the cols (left or right justified based on data type), and borders. Where do I get the color, orange, to draw the filled rectangle indicating focus? android.R.drawable.list_selector_background seems to be a pointer, value 17301602, not an actual color. Placing any real Color in my code draws things fine. Is this 17301602 transparent or something? Am I doing this wrong, or do I just need to know how to fine the orange?
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Nov 1, 2010
Is there a way to define/customize a border around the currently selected Gallery item? I know, i can create a Drawable and draw four lines into that but there must be a simpler way.
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Dec 21, 2009
I was interested in developing a clock widget for the homescreen and upon reading Home Screen Widgets tutorial, I wondered if there is a pre-existing Service I could reference for updating the current time rather than re-inventing the wheel?I download the Retro Clock application on my android phone and noticed that when I click it, it pops up the Alarm Clock settings, but with the default Google Analog Clock widget, upon click does nothing.Is that because the Retro Clock widget implements the Alarm Clock service? If so, how can I go about referencing that service? Or do I have this all wrong and misunderstood?
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Sep 15, 2010
When I right click the project in the eclipse, select "Properties". In the property page, select Android. According to the document, you can add the library project through that page. But my problem is that, there is no library information on the page. It only lists "project build target"
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Jul 19, 2010
I have created a library project. When I use the library project in other project, it compiles. How ever, when I run the application, it always get the error "The application has stopped unexpectly.".
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