Develop Reference

Cannot resolve symbol R after adding another xml file to my project

As the title say , i was using only one xml file on my project activity_maps ,
and everything was working fine , but after adding info_window.xml , the symbol R became red and i don't know why , i tried rebuilding project and nothing happened.
This is my activity_maps.xml :
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MapActivity" >
<fragment xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/map"
android:name="com.google.android.gms.maps.SupportMapFragment"/>
</RelativeLayout>
This is my info_window.xml :
<?xml version="1.0" encoding="utf-8"?>
<linearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal">
<ImageView
android:id="#+id/imageview1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#drawable/sefleticon"/>
<linearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical">
<TextView
android:id="#id/tv_place"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="25sp"
android:textStyle="bold" />
<TextView
android:id="#id/tv_men"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<TextView
android:id="#id/tv_women"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<TextView
android:id="#id/tv_like"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</linearLayout>
</linearLayout>
The both of the xml files are in res/layout

Change id="#id" with id="#+id" like this:
<TextView
android:id="#+id/tv_place" <!--add +id-->
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="25sp"
android:textStyle="bold" />
edit:
and like Nikhil Verma said, change LinearLayout with upcase on two places.

In your second Xml to :
Change linearLayout to LinearLayout
And in your TextView's change android:id="#id/your_id" to android:id="#+id/your_id"

my list view in android seems like a square how to fix that and what is the error?

I have an android application that uses php and mysql and after fetching the from the database, the result are displayed in a listView that is handled by a BaseAdapter.
The problem is that the rows in the list seem like a square.
can anyone tell me where the mistake is in the xml files ???
activity_user_list.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:background="#drawable/background_1">
<ListView
android:id="#android:id/list"
android:layout_width="fill_parent"
android:layout_height="fill_parent" />
</LinearLayout>
list_item.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="#drawable/background_1"
android:orientation="vertical" >
<TextView
android:id="#+id/uid"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:visibility="gone" />
<TextView
android:id="#+id/name"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="text view"
android:textColor="#FFFFFF"
android:textSize="17dip"
android:textStyle="bold" />
<TextView
android:id="#+id/txtCreateDate"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true"
android:text="TextView"
android:textColor="#FFFFFF" />
</RelativeLayout>

Try removing the background image from activity_user_list.

Try remove the background of your relative layout.

Another r cannot be resolved to a variable/error parsing xml junk after document element

I know this is asked a lot but I got error parsing xml junk after document element problem and then after while of looking for the problem I got 10 r can not be defined errors i think it all resulted from the first error. But even when I remove the problem paragraph and click clean the error red x is still there on a blank area.The error started on the textview line at the bottom.
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:padding="25dp" >
<EditText
android:id="#+id/etCommands"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:hint="Type a Command"
android:password="true" />
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:weightSum="100" >
<Button
android:id="#+id/bResults"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_weight="20"
android:text="Try Command" />
<ToggleButton
android:id="#+id/tbPassword"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_weight="80"
android:checked="true"
android:paddingBottom="10dp"
android:text="ToggleButton" />
</LinearLayout>
<TextView
android:text="invalid"
android:id="#+id/tvResults"
android:gravity="center"
android:layout_width="fill_parent"
android:layout_height="wrap_content" />
</LinearLayout>

<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:weightSum="100" />
should be
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:weightSum="100" >
Notice no / at the end of the tag. The / at the end is xml for "close this tag right now please." As it stands, you have invalid xml with two open tags for LinearLayout but closing LinearLayout 3 times.

It's hard to know what is the problem when you don't provide the full xml file. You probably forgot to close one of your LinearLayout items.
edit:
simply delete the / character from your LinearLayout declaration:
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:weightSum="100" >

Using android developer example 'notepadv3' - how do I add the 'body' value to the Listview?

the code in my notes_row.xml file look like
<?xml version="1.0" encoding="utf-8"?>
<TextView android:id="#+id/text1" xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:padding="10dp"
android:minWidth="100dp"/>
<TextView android:id="#+id/body" xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:padding="10dp"
android:minWidth="100dp"
android:fontSize="20dp"/>
I get the following error
The markup in the document following the root element must be well-formed.
at line xmlns:android="http://schemas.android.com/apk/res/android"
I am hoping someone will be able to help me find success.
Note: I found the code that I copied into this question here.

I didn't test it but try this way:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical">
<TextView android:id="#+id/text1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:padding="10dp"
android:minWidth="100dp"/>
<TextView android:id="#+id/body"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:padding="10dp"
android:minWidth="100dp"
android:fontSize="20dp"/>
</LinearLayout>

error in creating menu.xml of Game Menu

I am designing game menu,I am taking reference of http://p-xr.com/android-tutorial-game-menu-with-a-custom-font/comment-page-1/#comment-857
My main.xml file currently contains:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<ImageView
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:src="#drawable/wallpaper1" />
<LinearLayout
android:orientation="vertical"
android:layout_margin="10dp"
android:layout_width="fill_parent"
android:layout_height="fill_parent" >
<TextView
android:text="START GAME"
android:layout_gravity="right"
android:id="#+id/start"/>
<TextView
android:text="QUICK GAME"
android:id="#+id/quick"/>
<TextView
android:text="SETTINGS"
android:id="#+id/settings"/>
<TextView
android:text="ABOUT"
android:id="#+id/about"/>
<TextView
android:text="EXIT"
android:id="#+id/exit"/>
</LinearLayout>
</RelativeLayout>
However there seems to be an error error, which I do not understand, in graphical layout which says: "You must specify layout_height and layout_width".

AFAIK, attributes android:layout_width and android:layout_height are mandatory for each view declared in a XML layout file.
Just define them for each TextView element.