Android :: Xml Widget Reference?
Mar 1, 2009
To be plain, the android / xml widget reference material is poor at best.Rather than approaching the controls from an xml point of view, its all driven from a class point of view, which is clunky when you want to figure out how to build a good xml UI.Is there any decent documentation with design in mind (tag names, attribute names, etc) or is it just figure it out and struggle through the best you can? I'm on my 2nd android app and losing patience with hunting and pecking for the correct attributes / tags.
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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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Jul 15, 2010
Is there one? I have "Professional Android 2 Application Development" by Meier and "Teach Yourself Android Application Development in 24 Hours" by Darcy/Conder. Both are mediocre at best. Neither is a decent REFERENCE, but rather they are basically structured as tutorials, without nothing in the way of reasonably comprehensive API documentation (which also, BTW, is woefully inadequate on the android.com site). And no sort of in-depth discussion of the structure of the system, so one could perhaps understand it rather than simply using the (inadequate) cookbooks.
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Aug 31, 2009
Is there any sort of xml reference?
I found this which turned out to be invaluable for me http://groups.google.com/group/android-developers/msg/d334017d72909c79
but I can't figure out how I was supposed to know how to do that, had I not found that post.
I know that the api reference has xml attributes listed for many of the classes... but what about xml tags? Where is it documented that I could build a shape using <padding>, <corners>, <solid> tags?
I'd really like to know where I can find such documentation.
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Oct 19, 2010
I want to write an application that will log down whatever I type using the Android keyboard.
The purpose is to have a backup of all the keyboard entries.
Is it possible?
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Oct 28, 2009
I have a custom view that needs a reference to the activity that created it.Dianne Hackborn said in another thread: >Give your view a reference to the activity (or a Java interface it implements) and call back through that. >Much much MUCH more efficient than sending a broadcast. >See all of the standard view and view subclass callbacks for examples.
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Apr 28, 2009
How i can get a reference to the digital keyboard? is the keyboard added to the activity? how i can set a other style to the keyboard? Where i get a documentation of the digital keyboard?
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Aug 25, 2010
I have a jar that I need to reference from my Android project. I also have the src of the jar, so I could include it in the project itself. I was wondering if referencing a jar vs. compiling it in with the project using Dalvik makes any difference in terms of final Dalvik package size that gets generated.
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Jul 29, 2010
I have an object that is used for calling callback functions ----- static jobject o;
I have assigned the callback function to that object through a pointer, env -----
o=env->NewGlobalRef(callback);
The same pointer, env, points towards the function CallVoidMethod( ) that uses JNI to reach to the java code.
env->CallVoidMethod(o, methodId, pDeviceId, deviceStatus, statusReason, connectionProgressInfo);
However on calling this function, the system is getting crashed, and VM says that it's an invalid reference to static jobject o and then it crashes.
My code is as follows :
CODE:..........................
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Nov 3, 2010
Object getThisObjName= new Object();
I'd like to get the name of an object reference.
Is this possible via reflection in Android?
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Aug 20, 2009
I have a tab with an activitygroup as the intent of tab1.
My code of the activity(group):
CODE:..................
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Jun 19, 2010
Where can i find a Reference Chooser like this: http://www.vogella.de/articles/Android/images/first46.gif
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Feb 23, 2010
I am trying to get a reference to the android internal class PhoneWindow (android.policy.PhoneWindow) object from an application. I would like to call a method on it (specifically I would like to call getDecorView on PhoneWindow). How do I do this?
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Apr 2, 2010
I have a Timer in my application, and would like to allow the user to set the timer, and maybe cancel it in another execution of the application. To do that, I need to have a reference to the Timer created in the first execution. How can I obtain that? Is there a way of storing/retrieving memory addressed?
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Apr 30, 2010
I've created a class that extends drawable that I'd like to reference inside a resource xml.
I happen to need it in a selector, like so:
CODE:.................................
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Jun 25, 2010
I am developing a study project using the mosembro (mobile semantic browser) project inside my Android project. I am using Eclipse and I created my project, downloaded / imported mosembro and included in my project's build path.
So now my code needs to refer to a resource in the mosembro's project. I want to do something like this: String commonJS = getScript(R.raw.common);
In this snippet, I want to load a javascript file from mosembro's project: res -> raw -> common.js so I need the java syntax to get "R" (precompiled resource-class) of Mosembro from my HelloGoogle project.
What is the syntax to replace the R-class of this with the included project's R-class.
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May 4, 2010
How do you get a reference to the window from outside of an Activity or from the context? Is it possible to access the window without having a reference to an activity?
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Mar 9, 2009
In my layout xml, I have: <TabHost android:id="@+id/tabhost" android:layout_width="fill_parent" android:layout_height="fill_parent">
<TabWidget android:id="@android:id/tabs" android:layout_width="fill_parent" android:layout_height="wrap_content"/>
</TabHost>
My question is how can I get a reference to TabWidget object. I tried this: mTabWidget = (TabWidget) findViewById(com.android.internal.R.id.tabs); but this won't compile since 'com.android.internal.R is not visible. And then I try change the id to android:id="@+id/tabs" but I get a run time error saying: "Your TabHost must have a TabWidget whose id attribute is 'android.R.id.tabs'"
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Jan 25, 2010
how will you know that this thumbnail points to which actual image in the SD card. I have a problem with MediaStore.Images.Thumbnails displaying blank previews. Though I followed mihai fonoage part 2 on how to load it properly by using scaling. Still, I got duplicate images. So instead of using MediaStore.Images.Thumbnails I used MediaStore.Images.Media instead but it loads the actual image but oading is too slow even if bitmap is scaled. That's why I was wondering if there's a way to know which actual image is the thumbnail pointing or is there a way to know the exact location of the thumbnail for this actual image (The other way around).
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Oct 18, 2010
Greetings. Years after reading the GTD book and trying all sorts of apps and methods, I still can't find myself settling for a todo system that's simple and effective using my phone. I'm always looking for threads and articles on task managers, but most are only people spouting "I use generic todo app xyz and it rules!" Never how they practically use it in their daily lives. So, I'm asking all of you: what apps do you use for tasks and maybe even reference systems, and HOW. This might be useful for all procrastrinating couchpotatoes like me. Right now I'm using something very simple: Mobisle Notes, with 2 lists: a sorted "Inbox" which is basically just all tasks that come to mind (Sorted as in, priority first, then due date, then projects, then random stuff) And a today list with 5 actions I want to do today. Far from perfect, and Mobisle doesn't handle tags and moving of tasks from list to list a hassle, which keeps me on the lookout.
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Aug 16, 2010
Trying to assign a key to each field in android to reference in Java.
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Jul 28, 2010
I have a local Service running together with my application. I also have a class derrived from Application class.
When the local service is created it gets and uses the Application instance using getApplication.
Can the app itself be terminated while my service is still running and what happens if so? Would getApplication return null?
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Dec 16, 2009
So I have an app on the market with >10k active users. I have recieved maybe 50 complaints from Droid-user that the program crashes arbitrarily. I have not been able to replicate the error with my own droid, but I got one of the to send me this crash log. However, it does not reference the application. Do you have any suggestions on how to track down this error? I stand baffled.
11-25 16:18:03.730 D/AndroidRuntime( 2964): Shutting down VM 11-25 16:18:03.730 W/dalvikvm( 2964): threadid=3: thread exiting with uncaught exception (group=0x4001b180) 11-25 16:18:03.730 E/AndroidRuntime( 2964): Uncaught handler: thread main exiting due to uncaught exception 11-25 16:18:03.761 E/AndroidRuntime( 2964): java.lang. Code...
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Jul 3, 2009
Is there a way to get the reference to the option menu, from outside of onCreateOptionsMenu?
I tried findViewById (for Menu and MenuItem), but it doesn't work.
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Feb 7, 2010
I have this code...
how can I reference Home class here to replace **this**, which as it is points to OnSeekBarChangeListener.
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Jul 9, 2010
I am creating an EditText object which i then try to reference in a unit test. what is the best way to add a new 'id' to R.id for this dynamically created object so that i can later reference it via findViewById() in the unit test?
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Jun 17, 2010
Would it be there noticeable speed improvement if I would create local references to needed view elements (e.g. EditText or Button) in my activity (in onCreate()) and use them for accessing needed elements or it does not much matter if I always use findViewById() when I need to access some particular element?
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Feb 15, 2009
It seems that keywords.html has been removed from the docs as of 1.1_r1.
Even if the developer docs search box was case insensitive (which it isn't), it would not live up to keywords.html.
I found keywords.html incredibly useful and would like to request that it gets reincorporated with the next update.
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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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Sep 26, 2010
I am following the android licensing documentation (http://developer.android.com/guide/publishing/licensing.html) and when i get to the step that I add the reference of the licensing project (in eclipse) to my project, I get an error in the console (see below) and my project doesn't build. Any ideas on how i can around this? I tried a couple searches on Google, but I didn't come up with anything.
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