How to remove all LinearLayouts from a LinearLayout?

I am, programmatically, creating a lot of LinearLayouts and putting them on another LinearLayout: public void loadList(){ LinearLayout linearLayout = (LinearLayout)findViewById(; if(linearLayout.getChildCount() > 0)

How to highlight items in a ListView

I am using the code below, but it doesn't work. Why ? MainActivity: final SongAdapter songAdt = new SongAdapter(getApplicationContext(), songList); lv.setAdapter(songAdt); lv.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override pu

Sliding listing button

I created a list view, now I want to make it just like when I swipe them left or right it behave like call and message button respectively. . Just like this Image. A list view carrying some data. While we swipe it left or right it respond. Here I nee

Support for the difference screen size in Android

I am developing a UI which uses icons and custom circular views. According to the documentation I have created separate drawable folders for hdpi, ldpi....xxxhdpi. Also created layout

Showing the limit around the android button

How can i achieve this scenario: My android button tag in xml file: <Button style="?android:attr/buttonStyleSmall" android:layout_width="100dp" android:layout_height="10dp" android:text="Select Plan" android:id=&

Drag / Drop feature in Android studio does not work

I'm new to android programming The drag/ and drop feature in android studio is not working. I can't drag anything to my phone. Right now my fragment is google map view and i want to add a search bar to the view. It just doesn't drag. When I try to ad

Implement Androids Scroll-view with include view in

Hi i've used ScrollView before but for some reason it aint working at all right now the greatest problem right now is that the linear_view i've added inside this scrollView aint matching it's parent :| <RelativeLayout android:layout_width="match_p

How to animate the RecyclerView elements when they appear

How can I animate the RecyclerViews when there are appearing? The default item animator only animates when a data is added or removed after the recycler data has been set. I'm new developing applications, and don't have any clue where to start. Any i

how to align a view to 1 of 2 views

Click on image, replace with relativelayout as shown below. This bottom section should be below the listview. Problem is I dont see the listview in the design preview of my IDE. <RelativeLayout xmlns:android="

Top View with Opacity at the top of ImageView

Currently I have a layout xml file where I bind many views. Here I am facing a problem. The problem is I can not overlay a view on an (heart image)Imageview. In layout xml file I can set but I can not overlay the view on that imageview.Please help me

Android - Personalized rating bar looks like bleeding

So I have created a rating bar with new icons, however, when I implement it, the stars look like they are bleeding, see attached: Here are the style, rating xml, and how they are implemented in the layout: style: <style name="GoldRatingBar" p

Android align the button at the bottom right under a list

I have no idea on how to achieve this layout: So basically I want a title bar, bellow that I want a listview, while anchored to the bottom I want a button in the right side of the screen. Right now I am trying with this code (unsuccessfully) <?xml ve

How to adjust the weight for the included provisions?

I have two xml files, header and footer as shown below header.xml <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="" android:layout_width="match_paren

Trying to set LayoutWidth programmatically

I am trying to set layout width pro-grammatically, Here is my XML layout file. <?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="" android:id="@+id/s

Draw not visible when camera preview is present

I'm writing an app that requires displaying a semi-transparent PNG layer over a camera preview. Everything was fine until I wanted to publish it and make sure it works also on Android 2.x. It seems that on older versions of Android, the camera previe

How to display a fragment containing a custom SurfaceView

This following setup does not work, does anybody know why (I cant seem to find examples of custom surface view in a fragment). My surfaceView class is just hollow at the moment: class MySurfaceView extends SurfaceView implements Runnable{ public MySu

simple layout android

I want make 2 button take half of the screen width, but what ever i tru only one button came in screen and take full screenwidth. I wanted it for all resolution so dont want to make fix width. one button will take left half and other will take right

Android: Search box search

I want to design a search box in my app which would look as follows: When I click on it, it should expand as follows: But, I am not getting how to achieve this.You Should use RelativeLayout & set ImageView align_parent_top & align_parent_right or

Android countdown to date

I am trying to make a countdown timer for a game/date in android. I want to create a timer that displays the days, hours, minutes, and seconds to a date I specify with a final variable. The timer then sets text views to show the days, hours, minutes,

How to reference the color attribute in drawable?

I would like to do a simple thing: Define a drawable which has exacly same background colour as system state-pressed background colour. I do it like this in res/drawables/my_drawable.xml: <?xml version="1.0" encoding="utf-8"?> &l

Android layout issues with TextView and ImageView

I just started coding a new application for Android and stumble over a warning. This tag and its children can be replaced by one and a compound drawable Another problem I have is the image placed on the right side. How can I do this without having tr

Manage the input key in EditText on different devices

Right now I'm handling the enter key in my EditText fields using a an onEditorActionListener and looking at the Action ID for IME_NULL. It works fine for all my users except one. She has an Xperia Arc. TextView.OnEditorActionListener keyListener = ne