Android :: Way To Define Common Properties Just Once / Add Them To Each TextView Element?

Nov 6, 2010

I'm making out a few menus for my Android App and throughout there is a standard textview that is repeated 5 times, only changing the android:text tag each time, everything else is the same.There are a good number of properties on this and it feels very inefficient to be copy/pasting all these for each of the textviews.Is there a way I define the common properties just once and add them to each TextView element?

Android :: Way to define common properties just once / add them to each TextView element?


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Android :: Way Dynamically Change Element Properties

Nov 2, 2010

I'm looking for a way to dynamically change an elements properties.

For example I want the user of my app to be able to enter a value within my program that will change android:layout_marginTop="blabla" to whatever I want. It doesn't specifically have to be that property, I want to be able to change any property of any element. Is there a way to do this?

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Android :: Define ColorStateList For TextView

Sep 30, 2010

When my ListViewItem is highlighted, I want the text to turn white. How can I define this? code...

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Android :: Setting TextView Properties In A ListView

May 20, 2010

I have an activity with a ListView which is populated through a custom ArrayAdapter. There is an array of objects which have a Boolean property called 'isRead'. Based on the value of this property, I want to set the typeface of one of the TextViews in the row to either 'normal' or 'bold'. I also set the color of the text to either 'gray' or 'black When the Activity initially starts up, everything works as expected. If isRead is true, the text is gray with a normal font. Once I scroll down the list and then scroll up again, the text of an object where isRead is true is colored gray, but the font is bold. Code...

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Android :: FindViewByID - Get View Of A TextView Through A Listener Of Another UI Element?

Sep 9, 2010

This is going to be a bit lame question. I have the following code:

CODE:.....

I have a TextView in my xml layout file. I'd like to get it and change my text when I click this button.
But I can't get it (the TextView) unless I make it as a value of a static member of this class and pass it to the constructor. I believe I am missing a big point here, so i'd be very thankful if you could explain how this is meant to be done ?

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Android :: Changing TextView Properties Of A ListView Crashes The App

Sep 3, 2010

CODE:.....

list_item.xml

CDE:......

The problem is that I want to set a new typeface for the TextView in the ListView, and it seems it can't be done in the XML file!

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Android :: Placing A TextView Before EditText Element In Android Layout XML Causes EditText Not To Show

Jul 29, 2010

Every time I put a TextView before an EditText element in a LinearLayout, the EditText does not show. When I don't, it does.

I've narrowed the problem down to the TextView's layout_width attribute. If I give it "wrap_content", it works, but doesn't "block" down, and it appears on the same line as the EditText.

CODE:...........

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Android :: Define Some Smart Layout?

Jul 9, 2010

I will have a list view on the top and a button on the bottom in the view. Regardless the height of the list view i would like to fix the button position on the bottom all the time. If the list view is too long then make it scrollable.

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Android :: Define A Screen Resolution

Dec 12, 2009

With Android, you can define different resources for different phone attribute by naming res directories appropriately. I need to be able to support different layouts for 480x800 and 480x854. I figured I could have one set of resources stored in the layout-hdpi-v4 directory and another in layout-long-hdpi-v4. However, both resolution seem to think that they are long (at least based on the emulator, which I understand may not reflect devices accurately). Is there another way in which I can distinguish between the two resolutions/aspect ratios?

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Android :: How Do I Define / Standardize Units In My 3D App?

Mar 20, 2010

I'm starting to design my object graph for an OpenGL ES 1.1 app on Android. What's advisable when it comes to actually drawing my triangles and controlling their size? Should I store all the vertices in units relative to each other and then multiply them by a value I pass during a draw(GL10 gl)? Would this approach have any impact when it comes time to do frustum culling?

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Android :: How To Define GPS Module In Phone

May 16, 2010

I'm porting android to Devkit8000 which is a BeagleBoard clone. I have a GPS module connected on /dev/ttyS0. I could successfully get NMEA output when writing "cat /dev/ttyS0" in the terminal emulator.

I want to know how to let android know that there is a GPS module on /dev/ttyS0 and it is outputting NMEA standard? To be able to use the android.location class with it! or test it with any GPS app in the store!

Is there something to edit in the android's source? adding driver for example, writing a code with android-ndk or what?

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Android : Way To Define Two Intent In An Activity?

Jul 6, 2010

I need to start an Activity with two different Intent, can I define two Intents In an Activity node?

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Android :: Common Component Externalization

Jan 8, 2010

I am a game developer and have developed a nice global high scores module. The source code is in two different games of mine and anytime I make changes I carefully copy and paste the java files from one project to the other. As I increase the sophistication of this module, the copying and pasting can take a day or two to make sure I get it right. Now I am finishing up my third game and want to add the high scores module, but copying and pasting this in three separate projects seems absurd and will take up much of my time! Is there any way to externalize this module?

Unfortunately, the module makes reference to R for strings, layouts and other resources. It also uses common Android functions and resources from the Android library. Almost anything would be easier than the method I am using now--so any and all suggestions are welcome!

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Android :: How To Define An Activity For The Search Button

Sep 24, 2010

I am not using a SearchManager, but I have built my own custom search activity. I want this to be shown when the user clicks on the Search button. How can I do this?

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Android :: How Do I Define Attribute For Custom Widget?

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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Android :: Define Jargon Used To Discuss Droid

Sep 25, 2010

Please define for me the jargon used to discuss Droid. Such as:
Wigit, root, kernel, app, application, program, icon, and others that may be used.

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Android :: Possible To Define Each Tab's Content In A Separate XML File?

Jun 28, 2010

I would like to define each tab's content in a different XML file so the visual editor in Eclipse can be used. That is, without all of the tabs being laid over each other. The visual editor doesn't even seem to work with the XML example provided here: [link text][1]
[1]: http://developer.android.com/guide/tutorials/views/hello-tabwidget.html "Here", It just has a Null pointer exception.

I have tried to define each tap in it's own file, for example. code...
And when adding the tab I use:

mTabHost.addTab(mTabHost.newTabSpec("tab_in").setIndicator("Input").setContent(R.layout.input));

But this causes the application to crash on launch. Is there any way to do this?

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Android :: 2 String In A TextView Listen Seperated Clickevent In 1 TextView

Nov 16, 2010

I want to do something like that. For example, I have a textview with String
Alibaba love Mary so muck. In that String alibaba and Mary have a event to open something but I can't know how to use event for Mary and Alibaba seperately

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Android :: Accessing Common Methods Among Activities

Jun 20, 2010

I have Activity A and Activity B. I want to access a method in Activity A from Activity B. This is my method:
Activity A extends activity{
public void save(){
} }

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Android :: Several Activities Sharing Common Code

Jul 2, 2010

I have an Android application composed by several Activities. Most of them need to check whether an active network is available or not:

public boolean isNetworkAvailable() {
ConnectivityManager cm = (ConnectivityManager)
getSystemService(Context.CONNECTIVITY_SERVICE);
TelephonyManager tm = (TelephonyManager)
getSystemService(Context.TELEPHONY_SERVICE);
...
}

I would like to move that code to a helper class in order to avoid the need to write that code in every Activity, but calls to getSystemService are only allowed from an Activity. The other alternative is to move that code to a parent activity use inheritance but:
Every activity already extends from android.app.Activity
Some of my activities already extend from a common my.package.BaseActivity
(Activity <- BaseActivity <- XXXActivity)

What do you recommend in this case? Is there any other alternative?

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Android :: Common Code For Two Similar Applications?

May 7, 2010

I have a set of common code (including .java files and resources), which I have to use for two similar applications with different package names (for different vendors). How can I maintain two packages which share the common code without making two copies of the common source?

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Android :: How To Put Common Header For Entire Application?

Jan 30, 2010

I am Working on develop an application .In my application I want to Put application header as it look like "Android Market Application". I need help on following issues.
1)How to put all header same for all activities in the application.
2)How to put the common header like in android market application.
3)How to put a common footer for all activities in application.
If possible send source code for my understanding.

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Android :: Include Tag And Text - Common Formatting

Apr 15, 2010

I'm trying to use some common formatting for a number of different labels, all with different text. From http://android-developers.blogspot.com/2009/02/android-layout-tricks-, it seems as though I should be able to do something like the following:
<include android:text="@string/description" layout="@layout/label"/>

Where, in label.xml, I have:
<?xml version="1.0" encoding="utf-8"?>
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
<!-- more detailed formatting to come later --> />

For some reason, the text of the label is showing up empty when I do this. But I can successfully add an ID in this fashion, and then change the text of the label in my application code. For example:
<include android:id="@+id/description_label" layout="@layout/label"/>

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Android :: Common Performance Pitfalls On Droid?

Oct 1, 2009

What are the most easy mistakes to make that can be performance sinks on Android?

The documentation mentions "some floating point operations" can be "on the order of milliseconds" - has someone tested this?

For the sake of discussion, let's assume its running on a G1/similar device.

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Android :: Package My Common Code As Library

Aug 31, 2009

I have done some cusomtizations on general user interface behavior. I would put those features into my applications. Therefore, I package my source code as a jar and add this external library to my applications.

As my cusomtization include some inflation of xml files, I put those resource in my package. However, when I finished compiled my application and ran it, it reports error. It seems cannot locate the xml file in the jar. (My debugger stop while inflate the xml file). Do I miss any step to use my jar file?

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Android :: Method To Define Synchronization Period For Account?

Sep 24, 2010

What is the method to define a sync period for some account? ContentResolver allows to set automatic sync flag only. But what is period? Have I missed something? Or have I to schedule sync requests myself using the AlarmManager?

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Android :: How To Define Height Of A Button In Relative Layout?

Nov 24, 2010

I have a button on a relative layout that hugs the buttom of the parent, but since there is not much above the button, the height of it is massive and extends to the object above it.What kind of code can I use to make sure the button stays at a normal height while still hugging the bottom of the parent?

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Android :: Common Bottom Layout In All The Tabs Of TabHost

May 24, 2010

I have a TabHost with 4-5 tabs. I want to have a similar bottom for all the tabs. Is there any way we can add a bottom to all the tabs? Or do I need to place the xml code in every layout file.

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Android :: How To Launch Viewer For Common File Types?

Apr 9, 2009

Is there a way to launch a viewer for common file types like TXT, DOC, XLS, PDF from within an app, like Gmail does. Maybe a Google Docs api to pass the file to GD and have it open in the browser?

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Android :: Versioning And Common Code-bases With Eclipse

Sep 14, 2010

I'd like to bring out an Android app in the near future, so I was wondering how to support a couple of funcitonalities I have got used whilstdeveloping for J2ME and iPhone

first the versioning. With J2ME (using NetBeans as IDE) I had the option to auto-increment the softwwares version every time I compiled it. I was wondering if something like this is available for Eclipse and if so how to use it ? secondly a common code base. Is it possible to have a common code base for several projects ? For example I might have a game which actually uses the same code but needs different graphic resources. I'd hate to have a different project for every game/app and have to manually edit every project's source every time I want to submit a new code-change.

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