Android : Add Couple Of Command Buttons For Creating Multiple Layouts
Mar 25, 2009
I am new to android and trying to create a customized list. Every item in the list has TextView and one Ratingbar. I now want add a couple of command buttons at the end of the list (like BACK, HOME, , NEXT). When I add these extra views to the layout xml file then they get added along with every item in the list. I think there should be another layout defined for the buttons to be displayed separate from the list. Anyone has an idea on how to do this?
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Sep 6, 2010
I'm creating a game where there's a screen that, for the most part, is shared by four different activites - but a key portion of the screen will be completely different, depending upon which activity is active. Basically, on the left will be an image of the player and along the bottom there will be a row of buttons (let's say for Armour, Weapons, Magic, Skills). This leaves the top-right portion, which will need to dynamically change to represent the button pressed. (So, one moment the top-right portion is the armour selection activity, and the next it's the weapon selection activity, and so on.)
Is this possible? Can I have a layout within a layout and dynamically point the nested layout at a (nested) layout.xml of my choosing? Or, am I looking at just duplicating most of the layout four times (for the four different activities?) Or, am I going to be looking at linking the four activities to a (the top-right) view component, and then having to dynamically construct all of *that* view's child views based on the currently active activity? Well, that's about as much sense as I can make this question make.
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Jul 1, 2010
I'm planning to develop and app that presents the users with several different screens (of different information).
Was wondering what would be the best way to implement this?
Is it better to have separate XML layouts and an activity to display and allow the user to interact with each screen of data?
OR would handling all of these in the same activity be more efficient (and dynamically load / unload each layout)?
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Aug 18, 2010
I have a ListView with different layouts for different items. Some items are separators. Some items are different because they hold different kinds of data, etc.
I want to implement ViewHolders to speed up the getView process, but I'm not quite sure how to go about it. Different layouts have different pieces of data (which makes naming difficult) and different numbers of Views I want to use.
How should I go about doing this?
The best idea I can come up with is to create a generic ViewHolder with X items where X is the number of Views in an item layout with the highest number of them. For the other views with a small number of Views, I'll just use a subsection of those variables in the ViewHolder. So say I have 2 layouts I use for 2 different items. One has 3 TextViews and the other has 1. I would create a ViewHolder with 3 TextView variables and only use 1 of them for my other item. My problem is that this can get really ugly looking and feels really hacky; especially when an item layout may have many Views of many different types.
Here is a very basic getView:
CODE:..........
Suppose I had different types of row layouts, I could have a ViewHolder for each type of row. But what type would I declare "holder" to be at the top? Or would I declare a holder for each type and then use the one for the type of row I'm on.
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Sep 6, 2010
I am new to android. I want to set OnclickListner for different buttons which are located in different xml layouts.
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Dec 3, 2009
I am getting my feet wet developing software for the Android. My test app will have multiple screens (each having their own layout file). The main screen will direct the user to view the other screens based on user input. I kinda see this as layers of cake. Bottom layer being main; then you add and remove layers as the user makes UI inputs. The crazy trouble is how to view a second layer. I have created a second class which has its own onCreate method, which has its on setContentView(R.layout.secondlayer).
This class extends Activity much like my primary class does. I have a click event on a button within the main layout. This button will instantiate the new second layer class which I have done. And that is where my story endsI don't know what to do from this point. This is surely a newbie question If someone has an example that would be extremely helpful teach me to fish and I will be on my way.
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Feb 10, 2010
I am the beginner for android development. I followed the procedure as specified in developer.google.com for installing. I tried to create AVD(Android virtual device) through command path. I executed at command prompt.
android create avd --target 2 --name my_avd
But the Error is coming "Error: Target id is not valid. Use 'android.bat list targets' to get the target ids." After executing android.bat list targets it is showing blank. I am not able to figure out the problem as I have already set the path also.
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Dec 16, 2009
I have created layout-large and testing against android 2.0.1 WVGA. however, its picking layout-normal. Can anybody suggest me what I am doing wrong. Even though, I have 3 layouts ( layout-normal, layout-large, layout- small), Its always picking layout-normal. why its so.
I added properties to manifest file
CODE:.............
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Aug 22, 2009
I'm beginning in android development, and I've stumbled upon a problem. My application has different layouts stored in xml files, and I use motion events such as onFling or onSingleTapup. These motion events seem to apply whatever layout i'm in. My problem is simply identifying which layout i'm currently using so I can define the appropriate action. I guess what i'm trying to do is a bit like this:
@Override public boolean onSingleTapUp(MotionEvent e) { if(using main layout) { //do this } else if (using settings layout) { // do that } return false;
}
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Aug 5, 2010
I have a ListView on my ListActivity and I'd like the rows of the ListView to be 1 of 3 different layouts. The first item in my list is always going to use layout A, the second item in my list is always going to use layout B, and all subsequent items are going to use layout C.
Here is my getView function: Code...
R.id.label1 and R.id.label2 are TextViews on R.layout.layout_A. However, txtLabel1 and txtLabel2 are null after trying to set them. Why?
I stepped through this code in the debugger and it inflated the correct layout (R.layout.layout_A) and fell into the correct case below to set the R.id.label1 and R.id.label2 text. Also, if there is a better way to do this, please let me know.
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Sep 21, 2010
How can i create avd from command line with keyboard support? (I was able to create avd from commandline using: android create avd. but I don't know how to enable keyboard support into this). even android documentaion/help doesn't any thing about this.
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Jun 27, 2011
I noticed in the newer releases of busybox there's no 'zip' command anymore. I'm running busybox 1.19 on my Incredible.
I have been using this command to create different bootanimation.zip files from my phone but am wondering if there is an alternative command I can use from within Android. I've tried tar -cvzf but I believe tar archives/compresses the files differently and renaming the extensions to .zip does not work.
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Oct 19, 2010
I'm trying to create a title bar that is the same throughout my application and have been creating layouts like this for each of my activities:
main.xml:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent" android:layout_height="fill_parent">
<include layout="@layout/title_bar_layout" android:id="@+id/title_bar_layout" />
<include layout="@layout/main_body" android:id="@+id/main_body" />
</LinearLayout>
main_body.xml:
<?xml version="1.0" encoding="utf-8"?>
<TableLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/main_table" android:layout_width="fill_parent"
android:layout_height="fill_parent" android:stretchColumns="1"
android:orientation="vertical">
</TableLayout> Code...
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Jun 26, 2010
I'm trying to create an app that offers the user 3 different kinds of layouts. The only common portion for all 3 would be the TextView (located at the top) that would display information specific to the currently displayed layout and 3 buttons to select the required layouts.
Is there some way we can create this UI in XML to keep only one constant part(the upper TextView) and dynamically display any one of the 3 layouts below it?
Would it be better to create separate XML's for each of the layouts (each including the upper TextView in them)?
OR would doing this via code be better?
Fast switching between the 3 layouts is important. TIA
[EDIT 1]
Actually they are 3 different layouts, with several "child" layouts and views within each of them. Could a ViewFlipper be used for switching between these? I was thinking that a ViewFlipper was only for switching between View elements?
I do have them in individual XML's right now but am looking for some way to load and unload them fast. Not sure how to do the hiding thing, will try reading up on that. [/EDIT 1]
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Jun 2, 2009
I am working on developing several individual android applications. We had created common UI Layout View XMLs, classes and resources. I would like to share these common layout xml, classes and resources across all of my android applications. I dont want to duplicate them in my applications. Is there any easy way to do this?
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Mar 28, 2013
Can you have Multiple Home screen Layouts? Like Like swapping themes but layouts. I designed a bunch of custom wallpapers with corresponding Custom widgets. I'd love a way to just swap between different ones with out having to re-set up all the widgets.
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Aug 20, 2010
I have a layout that has just a ScrollView visible. It has a relative layout as its child. This layout has several other layouts (mainly text views) as its children. When the text is not big enough, the scroll view does not expand itself to fit the whole screen. Instead, it shows a gap at the bottom where the background shows. I tried setting fillViewPort=true on the ScrollView, but that just made the first child layout (RL1) to fill the screen.
CODE:....................
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Feb 9, 2014
How to get events created via voice command formatted correctly. I found a info graphic that says to use, "Create calendar event, event in New York, Saturday at 8pm" as an example. Well I'm trying to put my work schedule in, and tried, "create calendar event, work, Monday at 9am to 5pm". I get an event that is what: meeting, where: work, when: 9am to 9:30am. How to properly create my event via voice with google now?
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Jan 13, 2010
I'm creating buttons dynamically.
for(int i=0; i<colSize;i++){
final Button btn = new Button(this);
btn.setText(SectionName[i]);
btn.setTextSize(10);
btn.setPadding(8, 3,8, 3);
btn.setTextColor(Color.WHITE);
btn.setTypeface(Typeface.SERIF, Typeface.BOLD);
btn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
//***Every time that I click my button is selected !:)
btn.setSelected(true);
} } );
}
But how could I deselect the other buttons that were selected, I just want one Button selected!
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Oct 19, 2010
I created an Matrix object (like the math Matrix, a 4x4 block of numbers for instance) and it works fine, can set row,col,variable just fine, but, I cant have more than one of the same object, I have it creating an ArrayList of a dozen Matrix objects, each with the three variables, but when I call changeVar(Matrix x,int variable) and refresh the printout of the matrix, it changes all of the numbers to what i changed the variable to. So it looks like its just creating the same instance over and over, and if you change one, it changes them all, am i missing anything obvious?
CODE:........................
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Jun 9, 2010
I have to dynamically add a list of views (the views use RelativeLayout). Can I do this by specifying the view definition in xml and instantiate multiple objects off it? This gives the usual benefits of separating the view part from the code (for e.g., making it easy for the UI guys to alter things) or Is going the ArrayAdapter the suggested/only route?
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Feb 22, 2010
How to create two or more tables in one database in single class which extends sqliteopenhelper in one function oncreate.
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May 4, 2010
Are there any viable approaches for creating multiple .APKs out of a single codebase? The apps may share the same code, but they could have different manifest files, different resources, or different external libraries (for example in an app with both free and paid versions, the free version could have a library for display ads). Ideally, this would be a single Eclipse project, with a way to specify which app to build/debug, and possibly a command line way to batch build everything.
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Aug 20, 2013
First noticed a problem when I got a warning message that I was running out of storage space on the phones memory. When I checked I found literally thousands of copies of the same photo in the S4PhoneDCIMCamera folder. I delete them all but the phone continues to make a copy approximately one every minute which I have to constantly delete to free up storage. what is making the copies? Galaxy S4 4.2.2 kernel 3.4.0-10811224 basband Ver I9505xxubmga
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Mar 17, 2012
So basically the title says it all. I looked everywhere tried everything but hard reset my phone(htc amaze) and every time I create a new message i have 3 of the same contacts each time.
For example If I type in the letter "a" as a contact I would of "a" 3 times etc... I just cant figure out what the problem is. Idk whats wrong with it.
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Aug 12, 2010
I have an android context menu with various selections and depending on the user selection I want to start an intent. The intent starts the same activity for all the buttons but will contain different String variables depending on the selection. I am currently using a switch, case methodology for my click listener but keep running into 'duplicate local variable' problems as I try to eliminate code repetition! If anyone could provide a-bit of pseudo-code that would be even better.
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May 3, 2010
I am using three buttons along with the list view.These three buttons are added to the layout using the TableLayout and TableRow.The first button takes more space on content, so the other two becomes smaller in size than first one. When the application runs, it doesn't even show the two other buttons.How can I make the size of three buttons equal and display all of them when application runs?Give me some example please.
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Oct 25, 2010
I have several Gmail accounts and I would like to have a desktop button for each one. Is there a way to do this? Currently there is one button for Gmail and once I open it I can select the account I want to see.
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Aug 21, 2009
I am writing a program where I need a ListView for which I am using a ListActivity. Each one of the views within the ListView has four buttons, (Off, Dim, Bright and On). Each one of these buttons is configured with it's own OnClickListener when I build the view. This part seems to work ok. However when I have say 5 Views each which has these four buttons, I can tell whether an off, dim, bright or on button was pressed but I cannot tell from which view it was pressed. So for example if my views are devices (Light, Heater and Kettle) I press an "on" button and I know an On button was pressed but how do I get it to tell me the On button for the Light was pressed?
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Sep 11, 2009
I have a layout with multiple buttons. Now I need to scroll them horizontally. Below is the part of my xml file. But I am not able to get the scroll bar and also not able to see the Buttons 4 & 5.
CODE:.................
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