Android :: How Do I Programmatically Add Button Into Inflated Layout From Adapter?

Apr 2, 2010

Im using an inflater inside an adapter for my listview. I need to add in a different button depending in the state of the data for each row, so Im thinking I need to do this programmatically, but how do I make sure its inserted into the correct place inside the layout?

Android :: How do I programmatically add button into inflated layout from adapter?


Android :: Unable To Change Layout Gravity Of Button Programmatically

Oct 7, 2010

I'm unable to change the layout_gravity of a Button programmatically, does anybody know how to do this?The gravity attribute is easily changed using Button.gravity(), Ie it changes the gravity of the text inside the button I cannot change the gravity of the button itself. I also cannot seem to find this in any of the layout params contructors.

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Android :: Draw Inflated Layout Xml On An Bitmap

Aug 6, 2009

I created a layout xml file that contains an extended textview. What I want is to draw the textview in a bitmap. What do I have to do after inflating the view so that I can use the draw method on the my canvas?

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Android :: How To Force A Line Break In Xml Layout When Using List Adapter

Jul 13, 2009

I am struggling with applying a forced line break in the xml layout when using a simple list adapter. The data for the list adapter is being pulled from an sqlite db.

Here is the code:

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

And here is the R.layout.item xml:

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

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Android :: Programmatically Set Layout ?

May 30, 2010

I am trying to improve the layout for my game. The problem is that while I can create a good layout for one android phone, it doesn't work for another, ie the trackball for MyTouch is on the right side (landscape mode), but for the MyCliq, the DPad is on the left side. Is there a way to programmatically set the layout based on which phone it is?

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Android :: Programmatically Include Layout - I.e. Without XML

Jul 7, 2010

I've created an Activity subclass called CustomTitlebarActivity. Essentially, each main activity in my app will have a custom titlebar with many common features such as a Home button, a title, a search button, etc. In my current implementation, I am still explicitly using an include statement in the layout XML for each CustomTitlebarActivity: <include layout="@layout/titlebar" />

It seems natural that I should be able to do this within CustomTitlebarActivity. I have two questions: What code can replace this include tag, and where should I put the code? (My first instinct would be to put it in CustomTitlebarActivity's setContentView method.)

On a related note, I would appreciate insight into better ways to reuse android UI code (even if, per se, the titlebars need to vary slightly between activities.)

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Android :: Changing Widget Layout Programmatically

Dec 7, 2009

Let's say that I have two layouts for a widget: Layout1 and Layout2. The default for the widget is Layout1, but I allow the user to choose which layout they want the widget to be. So if the user changes to Layout2, how do I programmatically change the layout to Layout2? There isn't a setContentView method for widgets like there is for Activities.

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Android :: How To Set Layout Gravity Of RelativeLayout Programmatically?

Nov 9, 2010

I have ScrollView with RelativeLayout as a child of ScrollView. I am trying through JAVA code to set Layout_Gravity to CENTER so my RelativeLayout is centered (horizontally and vertically) in the middle of ScrollView (that covers whole screen).This works fine in XML and produces desired result, but when I try to do this programmatically, it seems there is no way to set Layout_Gravity of RelativeLayout. I tried using LayoutParams, but couldn't find anything there that would help me to center RelativeLayout in the middle. So, am I missing something or this simply can't be done?

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Android :: Add Textview To Linear Layout Programmatically

Jul 8, 2010

I am trying to add TextViews to my xml-defined layout in code. I have a xml-sheet, where a lot of Views are defined. But I have to add some views in code, so a create a LinearLayout in the xml-sheet:

<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:id="@+id/info"
android:layout_height="wrap_content"
android:orientation="vertical">
</LinearLayout>
And in this layout, I like to add my TextView:......

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Android :: Creating Layout File Programmatically

Apr 5, 2010

I was wondering if it were possible to dynamically create an XML layout file to be displayed to the user. The idea would be to be able to retrieve a layout file from a central server, which could display this dynamic, server driven GUI.

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Android : Way To Programmatically Set Parameters Which Are Set Statically By Layout

Sep 2, 2009

I'm programmatically adding views to a LinearLayout inside a ScrollView and i'm running into some issues setting margins and padding etc for child views of the LinearLayout.

i've tried child.setPadding() and adding the view with a MarginLayoutParams set up right, but the child view still fills the parent width.

what is the correct way to programmatically set the parameters which are set statically by layout_marginLeft, layout_marginRight, etc?

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Android : Setting A Layout To Use As Empty View For A ListView In Case Adapter Has Zero Items In A Activity

Nov 16, 2010

How to use a layout as empty view for a listview when the adapter has zero elements?

setEmptyView is not working with this code :

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

Layouts used :

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

main.xml

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

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Android :: How To Use Simple Cursor Adapter To Include Button?

Jun 9, 2009

I have read the Gallery2.java example, which show how to map a Column's value to an element in the view I want to create (in this case, it maps 'NAME' to text1 element0. But what if I have a Button in my view, how can I know which Person is being clicked? or how can I query the person's info when a button in the new is clicked?

From the Gallery2.java example:
SpinnerAdapter adapter = new SimpleCursorAdapter(this,
// Use a template that displays a text view
android.R.layout.simple_gallery_item,
// Give the cursor to the list adatper c,
// Map the NAME column in the people database to...
new String[] {People.NAME},
// The "text1" view defined in the XML template
new int[] { android.R.id.text1 });
Gallery g = (Gallery) findViewById(R.id.gallery);

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Android :: Change Layout Margin For Phone ListView Programmatically?

Jun 17, 2010

I have defined an List View in xml as below
Code...
And i need to re-define the layout margin upon some result in my programe ,how i can achieve this

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Android :: Adding Button To Efficient Adapter Which Has Icon And Text?

Apr 19, 2010

I want to create a layout in such a way that on top edittext and button should be there in one row. The search text I enter in editext and click on search button. Then I want to display a custom list view where each row contains image and text.(As per the API demos example list14 I have tried). But when I run the application, button and edittext are being added to each row (i.e., Each row contains a image, text, editext, button.

Below is my xml file:
<!--
<FrameLayout android:layout_width="wrap_content"
android:layout_height="0dip" android:layout_weight="1"></FrameLayout>
-->
<ImageView android:id="@+id/icon" android:layout_width="48dip"
android:layout_height="48dip" />
<TextView android:id="@+id/text" android:layout_gravity="center_vertical"
android:layout_width="0dip" android:layout_weight="1.0"
android:layout_height="wrap_content" />
<!--
<EditText android:layout_width="wrap_content"
android:layout_height="wrap_content" android:id="@+id/prdsearchtb"
android:text="@string/tb_prd_search_lbl"></EditText>
-->
<!--
<TableLayout android:id="@+id/TableLayout01"
android:layout_width="fill_parent"
android:layout_height="wrap_content"> <TableRow>
-->
<Button android:id="@+id/prdsrcbutton" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:text="@string/btn_lbl_prd_search"
android:layout_x="2px" android:layout_y="410px"></Button>
<!-- </TableRow>
</TableLayout>
-->
and Java File:
/**
*
*/
package org.techdata.activity;

import android.app.AlertDialog;
import android.app.ListActivity;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;

/**
* @author jayanthg
*
*/
public class ProductSearch extends ListActivity {
private static class ProductSearchAdapter extends BaseAdapter {
private LayoutInflater mInflater;
private Bitmap mIcon1; private Bitmap mIcon2;
public ProductSearchAdapter(Context context) {
mInflater = LayoutInflater.from(context);
// Icons bound to the rows.
mIcon1 = BitmapFactory.decodeResource(context.getResources(),
R.drawable.icon48x48_1);
mIcon2 = BitmapFactory.decodeResource(context.getResources(),
R.drawable.icon48x48_2);
} @Override public int getCount() { return DATA.length;
} @Override public Object getItem(int position) { return position;
} @Override public long getItemId(int position) { return position;
} @Override public View getView(final int position, View convertView,
ViewGroup parent) { ViewHolder holder; Button btn=null;
if (convertView == null) { convertView = mInflater.inflate(R.layout.productsearch, null);
// Creates a ViewHolder and store references to the two children
// views // we want to bind data to. holder = new ViewHolder();
holder.text = (TextView) convertView.findViewById(R.id.text);
holder.icon = (ImageView) convertView.findViewById(R.id.icon);
btn=(Button)convertView.findViewById(R.id.prdsrcbutton);
convertView.setTag(holder);
} else {
// Get the ViewHolder back to get fast access to the TextView
// and the ImageView. holder = (ViewHolder) convertView.getTag();
}
// Bind the data efficiently with the holder.
holder.text.setText(DATA[position]);
holder.icon.setImageBitmap((position & 1) == 1 ? mIcon1 : mIcon2);
holder.icon.setOnClickListener(new View.OnClickListener() {
@Override public void onClick(View v) {
Log.i("image", " u clicked on icon Position" + position);
} } );
holder.text.setOnClickListener(new View.OnClickListener() {
@Override public void onClick(View v) {
Log.i("Text", " u clicked on text Position" + position);
} } );
btn.setOnClickListener(new View.OnClickListener() {
@Override public void onClick(View v) {
Log.i("Button","U clicked on button");
} } ); return convertView;
} static class ViewHolder { TextView text; ImageView icon;
} private static final String[] DATA = ListView product_search_list;
Button srch_btn;
EditText srch_text; @Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setListAdapter(new ProductSearchAdapter(this));
// setContentView(R.layout.productsearch);
// getListView().setEmptyView(findViewById(R.id.text));
// srch_text = (EditText)findViewById(R.id.prdsearchtb);
// srch_btn = (Button) findViewById(R.id.prdsearchtb);
// srch_btn.setOnClickListener(new View.OnClickListener() {
// @Override
// public void onClick(View v) {
// callProductSearchAdapter();
// }
// });
} void callProductSearchAdapter() { setListAdapter(new ProductSearchAdapter(this));
} private void createDialog(String title, String text, final Intent i) {
if (i == null) { AlertDialog ad = new AlertDialog.Builder(this).setIcon(
R.drawable.alert_dialog_icon).setPositiveButton("Ok", null)
.setTitle(title).setMessage(text).create();
ad.show();
} } }

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Android : Create A Split Button For A Custom ListView Adapter?

Jul 3, 2010

I'd like to make a list adapter that formats views like this:

I want to be able to fire a different onClick when the user clicks the image. I have defined the onClick on the image itself in the getView() override, but how do I then get the position of the line that was clicked so I can update the record in the database to record the action?

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Android : Get Resolution - Programmatically Set Layout Folder / Supporting Multiple Screens

Aug 19, 2010

My application will have two layouts, one for large screens and one for normal. For testing I'm working with one phone (800x480 240dpi) and one tablet (1024x600 240dpi) but both are detected as large screen hdpi and long aspect ratio, so I'm not able to assign different layouts.

The only approach I think that can work is to create layout-large and layout-normal, get the resolution and programmatically set the layout folder. Is that possible?

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Android :: Programmatically Set Button Color

Jul 22, 2010

I am reading in some data from a REST api and need to generate some buttons based on the information the app receives.

Because I need the same buttons in many Activity screens I have extended Button to make a RachelButton and I set it up in the constructor.

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

Then an example of the resource I am using to generate a colored button is this:

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

As you can see in the code I am setting the text color and I'm sure that this color exists as a resource.

But setting the text color like this has no effect at all, the text color on the button seems to be a darker shade of the button's background color.

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Android :: Back Button Press Programmatically

May 12, 2009

Are there api to support go to back Programmatically i.e same effect as the back button of the phone.

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Android :: Programmatically Change Alignment Of Button In Code?

Oct 6, 2010

I can't seem to find anywhere a way to programmatically change the the alignment of the button.

In the XML it is simply layout_gravity="Center" or something.

How do we do this in the code?

LayoutParams do not seem to cater for this.

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How To Create Button Programmatically

Oct 7, 2011

public class SamActivity extends Activity
{
private Paint mPaint;
private MaskFilter mEmboss;
private MaskFilter mBlur;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);

[code].....

This is my code.In this i draw a line over the image.Now i want to know how to create button programatically?

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Android :: Add View To XML Layout Programmatically / Make It Z Order Below Existing View

Oct 8, 2010

I have an XML layout with some custom tabs, a heading, and a ProgressBar(main.xml). I wish to add another XML layout(home.xml) to the main.xml layout, as i wish to keep main.xml re-usable for other activity's layouts and simply add things to it as necessary.The problem: after inflating R.layout.home into rootLayout, it seems as though the ProgressBar contained in rootLayout is hidden underneath the content of home.xml.Is there a way to tell certain views(via XML) to float above other views when the layout is constructed in this way?if not, am i forced to use methods such as progressBar.bringToFront() to raise targeted views to the top?what alternatives do i have in z-ordering views when some layouts are constructed using inflation?

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Android :: How To Layout Button?

Aug 9, 2010

I would like to apply both an icon and text to a button. The button would have the icon centered in the button and text written at the bottom, centered. I could not get the text to center and be at the bottom using android:gravity.A side note, for a layout with 6 buttons is a Table Layout the best way to do it? There is 3 rows and 2 columns.Another side note, why does the button lose its rounded edges when I add background color?

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Android :: Layout - Image Button GONE

Oct 18, 2010

each child is horz linear layout w/ 3 children: image view, linear layout container and then an image button
if the image button is GONE - then i get click notifications when someone clicks on the list entry. if the image button is VISIBLE (even if i don't intercept onclick) - i don't get the list click event notification.

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Android :: How To Set Button X Y Position In Layout?

Oct 5, 2009

i am trying to display a linear layout , say at setpadding (10,10,0,0); now i need to put some buttons at particular xy position in layout.button position doesn't seem to work in that way. can anybody suggest how can i set button position in layout?

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Android :: Add Button To Linear Layout

Jan 5, 2010

I have a linear layout like this:

<LinearLayout android:id="@+id/header" android:layout_width="fill_parent" android:layout_height="wrap_content" android:orientation="horizontal" android:gravity="center_vertical" <ImageView android:id="@+id/icon" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="top" android:src="@drawable/img1" /> <TextView android:id="@+id/atitle" android:singleLine="true" android:layout_width="fill_parent" android:layout_height="wrap_content" /> </LinearLayout>

I need to add a button to the above layout problematically which is right justified? I need to do that in code instead of layout xml file (this is because i can't modify that layout xml file). Here is what I am doing: LinearLayout header = (LinearLayout) findViewById(R.id.header); Button buyButton = new Button(this); buyButton.setText(R.string.buy_ringtone); buyButton.setLayoutParams(new LayoutParams( ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT)); header.addView(buyButton);
But the button does not appear. Can you please tell me how can i achieve that?

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Android :: Button With Custom XML Layout

Feb 25, 2010

Is it possible to create a button with a custom xml layout? Now I want to use this on a button. Anyone know how I can do this? I was thinking if I had Button.java file that extended Button. And then setView( R. layout. mylayout.xml); but that was to easy, and it clearly not working

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Android :: Can't Access Button On Another Layout

Sep 7, 2010

I'm expanding on the hello world application. I've created a button on the main.xml to bring up a new form, screen2.xml, with a second button. I'd like this this button to toast a message. However, as soon as I try add the code to define the OnClickListener, I get a force close message.Does this mean one Activity can only access one screen/layout?

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Android :: Why Aren't Menus Pre-inflated For You?

Aug 27, 2010

Why aren't menus inflated automatically for you in Android, the way an Activity's layout is?

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Android :: Res PNG Filesize Inflated Upon Packaging?

May 3, 2009

I've got ~200 png files in the /res/drawable folder, mostly interface and sprite sheet stuff. They're all indexed pngs, and weigh in at a grand total of a bit over 400kb.

When I run aapt to package them into the apk, their filesize nearly doubles. Opening the apk up with 7zip and extracting the drawables confirms it: 790kb.

Does anyone have any idea why this would be happening? I thought the packaging process was meant to compress the pngs, not inflate them!

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