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scrollable layout not working

I'm a beginner in android. I'm creating a example phonebook using eclipse. i have few edit texts and a set off buttons in my layout.but when I run the project I can't see the buttons in the bottom of the layout, so I enclosed my main linear layout in a Scrollview. but after linear layout has become much bigger in height. i tried to resize it in the xml file but it is not working right after resizing the layout it automatically resizes in to the previous size. here's my code if anyone can help me.little help is highly appreciated.
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="466dp"
android:layout_gravity="center_vertical" >
<LinearLayout
android:id="#+id/LinearLayout2"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#drawable/back"
android:orientation="vertical"
android:paddingBottom="#dimen/activity_vertical_margin"
android:paddingLeft="#dimen/activity_horizontal_margin"
android:paddingRight="#dimen/activity_horizontal_margin"
android:paddingTop="#dimen/activity_vertical_margin"
android:scrollbarAlwaysDrawVerticalTrack="false"
android:scrollbarStyle="insideOverlay"
android:scrollbars="vertical"
tools:context="com.nadusha.phonebook.MainActivity" >
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:layout_marginBottom="10dp"
android:orientation="vertical" >
<TextView
android:id="#+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Contact Info"
android:textAppearance="?android:attr/textAppearanceLarge"
android:textColor="#FFFFFF" />
</LinearLayout>
<LinearLayout
android:layout_marginBottom="8dp"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical" >
<TextView
android:id="#+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Name"
android:textAppearance="?android:attr/textAppearanceSmall"
android:textColor="#FFFFFF" />
</LinearLayout>
<LinearLayout
android:id="#+id/nameTextLayout"
android:orientation="horizontal"
android:layout_marginBottom="15dp"
android:layout_width="match_parent"
android:layout_height="wrap_content"
>
<EditText
android:id="#+id/nameTxt"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:ems="10"
android:inputType="textPersonName" />
<requestFocus />
</LinearLayout>
<LinearLayout
android:layout_marginBottom="8dp"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical" >
<TextView
android:id="#+id/textView3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Mobile"
android:textAppearance="?android:attr/textAppearanceSmall"
android:textColor="#FFFFFF"/>
</LinearLayout>
<LinearLayout
android:layout_marginBottom="15dp"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical" >
<EditText
android:id="#+id/mobileNoTxt"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:ems="10"
android:inputType="phone" >
</EditText>
</LinearLayout>
<LinearLayout
android:layout_marginBottom="8dp"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical" >
<TextView
android:id="#+id/textView5"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Home"
android:textAppearance="?android:attr/textAppearanceSmall"
android:textColor="#FFFFFF" />
</LinearLayout>
<LinearLayout
android:layout_marginBottom="15dp"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical" >
<EditText
android:id="#+id/homeNoTxt"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:ems="10"
android:inputType="phone" />
</LinearLayout>
<LinearLayout
android:layout_marginBottom="8dp"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical" >
<TextView
android:id="#+id/textView4"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="E-Mail "
android:textAppearance="?android:attr/textAppearanceSmall"
android:textColor="#FFFFFF" />
</LinearLayout>
<LinearLayout
android:layout_marginBottom="15dp"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical" >
<EditText
android:id="#+id/emailTxt"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:ems="10"
android:inputType="textEmailAddress" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content" >
<Button
android:id="#+id/saveBtn"
style="?android:attr/buttonStyleSmall"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Save"
android:textColor="#FFFFFF"/>
<Button
android:id="#+id/cancelBtn"
style="?android:attr/buttonStyleSmall"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Cancel"
android:textColor="#FFFFFF" />
<Button
android:id="#+id/viewBtn"
style="?android:attr/buttonStyleSmall"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="ViewContact"
android:textColor="#FFFFFF" />
</Linearlayout>
</LinearLayout>

You need to set ScrollView layoutWeight to 1 and its height to 0. This will ensure that your scrollview will take only remaining space on screen. Here is example of my app:
<?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"
>
<ScrollView
android:id="#+id/scrollView2"
android:layout_width="match_parent"
android:layout_height="0dp"
android:clickable="false"
android:fadeScrollbars="false"
android:layout_weight="1">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:padding="5dp">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:padding="5dp">
<TextView
android:id="#+id/menoLabel"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="2"
android:text="#string/emergencySMSMeno"/>
<EditText
android:id="#+id/menoEdit"
style="#style/editText"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:ems="10"
android:inputType="textPersonName"
android:textColor="#000"/>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:padding="5dp"
android:weightSum="3">
<TextView
android:id="#+id/pohlavieLabel"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="2"
android:text="#string/emergencySMSPohlavie"/>
<Spinner
android:id="#+id/spinnerPohlavie"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"/>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:padding="5dp">
<TextView
android:id="#+id/vekLabel"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="2"
android:text="#string/emergencySMSVek"/>
<EditText
android:id="#+id/vekEdit"
style="#style/editText"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:ems="10"
android:inputType="numberDecimal"
android:textColor="#000"/>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:padding="5dp">
<TextView
android:id="#+id/vahaLabel"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="2"
android:text="#string/emergencySMSVaha"/>
<EditText
android:id="#+id/vahaEdit"
style="#style/editText"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:ems="10"
android:inputType="numberDecimal"
android:textColor="#000"/>
</LinearLayout>
<TextView
android:id="#+id/alergieLabel"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="2dp"
android:padding="5dp"
android:text="#string/emergencySMSAlergie"/>
<EditText
android:id="#+id/alergieEdit"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:inputType="text"
android:textColor="#000"/>
<TextView
android:id="#+id/chorobyLabel"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="2dp"
android:padding="5dp"
android:text="#string/emergencySMSChoroby"/>
<EditText
android:id="#+id/chorobyEdit"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:inputType="text"
android:textColor="#000"/>
<TextView
android:id="#+id/zraneniaLabel"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="2dp"
android:padding="5dp"
android:text="#string/emergencySMSZranenie"/>
<EditText
android:id="#+id/zraneniaEdit"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:ems="10"
android:inputType="textMultiLine"
android:lines="3"
android:textColor="#000"/>
<TextView
android:id="#+id/polohaLabel"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="2dp"
android:padding="5dp"
android:text="#string/emergencySMSAktualnaPoloha"/>
<EditText
android:id="#+id/polohaEdit"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:inputType="text"
android:textColor="#000"/>
</LinearLayout>
</ScrollView>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:padding="5dp">
<Button
android:id="#+id/odoslatButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="#string/send"
android:layout_weight="1"/>
<Button
android:id="#+id/zrusitButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="#string/emergencySMSZrusit"
android:layout_weight="1"/>
</LinearLayout>
</LinearLayout>
It shows scrollView and two buttons bellow it. I am not exactly sure what you want to do but as far as I can see you are doint it wrong. ScrollView can take only one child element but you have set scrollview as your main parent but then you put more child inside it.
Also you are doing another mistake. You dont need to use linear layouts (in most cases) if they have only one child. It is bad for performance.

Change the value of the attribute layout_height to match_parent so that the ScrollView take up the whole screen and hence enable scrolling. The correct code is
<ScrollView 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:layout_gravity="center_vertical" >
<LinearLayout
android:id="#+id/LinearLayout2"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#drawable/back"
android:orientation="vertical"
android:paddingBottom="#dimen/activity_vertical_margin"
android:paddingLeft="#dimen/activity_horizontal_margin"
android:paddingRight="#dimen/activity_horizontal_margin"
android:paddingTop="#dimen/activity_vertical_margin"
android:scrollbarAlwaysDrawVerticalTrack="false"
android:scrollbarStyle="insideOverlay"
android:scrollbars="vertical"
tools:context="com.nadusha.phonebook.MainActivity" >
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:layout_marginBottom="10dp"
android:orientation="vertical" >
<TextView
android:id="#+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Contact Info"
android:textAppearance="?android:attr/textAppearanceLarge"
android:textColor="#FFFFFF" />
</LinearLayout>
<LinearLayout
android:layout_marginBottom="8dp"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical" >
<TextView
android:id="#+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Name"
android:textAppearance="?android:attr/textAppearanceSmall"
android:textColor="#FFFFFF" />
</LinearLayout>
<LinearLayout
android:id="#+id/nameTextLayout"
android:orientation="horizontal"
android:layout_marginBottom="15dp"
android:layout_width="match_parent"
android:layout_height="wrap_content"
>
<EditText
android:id="#+id/nameTxt"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:ems="10"
android:inputType="textPersonName" />
<requestFocus />
</LinearLayout>
<LinearLayout
android:layout_marginBottom="8dp"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical" >
<TextView
android:id="#+id/textView3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Mobile"
android:textAppearance="?android:attr/textAppearanceSmall"
android:textColor="#FFFFFF"/>
</LinearLayout>
<LinearLayout
android:layout_marginBottom="15dp"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical" >
<EditText
android:id="#+id/mobileNoTxt"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:ems="10"
android:inputType="phone" >
</EditText>
</LinearLayout>
<LinearLayout
android:layout_marginBottom="8dp"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical" >
<TextView
android:id="#+id/textView5"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Home"
android:textAppearance="?android:attr/textAppearanceSmall"
android:textColor="#FFFFFF" />
</LinearLayout>
<LinearLayout
android:layout_marginBottom="15dp"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical" >
<EditText
android:id="#+id/homeNoTxt"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:ems="10"
android:inputType="phone" />
</LinearLayout>
<LinearLayout
android:layout_marginBottom="8dp"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical" >
<TextView
android:id="#+id/textView4"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="E-Mail "
android:textAppearance="?android:attr/textAppearanceSmall"
android:textColor="#FFFFFF" />
</LinearLayout>
<LinearLayout
android:layout_marginBottom="15dp"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical" >
<EditText
android:id="#+id/emailTxt"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:ems="10"
android:inputType="textEmailAddress" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content" >
<Button
android:id="#+id/saveBtn"
style="?android:attr/buttonStyleSmall"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Save"
android:textColor="#FFFFFF"/>
<Button
android:id="#+id/cancelBtn"
style="?android:attr/buttonStyleSmall"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Cancel"
android:textColor="#FFFFFF" />
<Button
android:id="#+id/viewBtn"
style="?android:attr/buttonStyleSmall"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="ViewContact"
android:textColor="#FFFFFF" />
</Linearlayout>
</LinearLayout>

You could try changing
android:layout_height="466dp"
to
android:layout_height="wrap_content"
or
android:layout_height="match_parent"

Android how to set scrollview

For my college I'm making an android app..
The xml code is:--
<?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"
android:background="#drawable/back">
<LinearLayout
android:id="#+id/linear_login"
android:layout_width="320dp"
android:layout_height="430dp"
android:background="#drawable/oie_transparent"
android:orientation="vertical" >
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:layout_marginTop="15dp"
android:orientation="vertical" >
<TextView
android:id="#+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="60dp"
android:layout_marginTop="10dp"
android:text="College name"
android:textColor="#color/red1"
android:textSize="20dp" />
<TextView
android:id="#+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="30dp"
android:layout_marginTop="14dp"
android:padding="15dp"
android:text="#string/desc"
android:textColor="#color/purple2"
android:textSize="20dp" />
<LinearLayout
android:layout_width="230dp"
android:layout_height="180dp"
android:layout_marginLeft="40dp"
android:padding="10dp"
android:orientation="vertical" >
<EditText
android:id="#+id/editText1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="6dp"
android:background="#drawable/edit_style"
android:ems="10"
android:hint="student name"
android:textColorHint="#7D0541"/>
<EditText
android:id="#+id/editText2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="#drawable/edit_style"
android:layout_marginTop="6dp"
android:ems="10"
android:hint="student roll no"
android:textColorHint="#7D0541">
</EditText>
<Button
android:id="#+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Press Here"
android:layout_marginTop="8dp"
android:layout_gravity="center"
android:background="#drawable/button_state"
android:textColor="#0000A0"/>
</LinearLayout>
</LinearLayout>
</LinearLayout>
<ImageView
android:id="#+id/imageView1"
android:layout_width="120dp"
android:layout_height="80dp"
android:layout_gravity="center"/>
</LinearLayout>
Here,the 2 edit boxes and one button is there,I want to add a scrollview in there..But When I am adding its showing error every time..Hey guys can anyone tell me where is the problem..

Paste your above line of code in between the scroll line of code
<?xml version="1.0" encoding="utf-8"?>
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="wrap_content" >
//Paste your xml code here
</ScrollView>

try this,
<ScrollView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_above="#+id/btnEdit"
android:layout_alignParentLeft="true"
android:layout_below="#+id/tvExtraCharge"
android:fillViewport="true"
android:orientation="vertical" >
<LinearLayout
android:id="#+id/sackscontainer"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:gravity="center"
android:orientation="vertical" >
</LinearLayout>

Are you looking for something like this.
<?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"
>
<LinearLayout
android:id="#+id/linear_login"
android:layout_width="320dp"
android:layout_height="430dp"
android:orientation="vertical" >
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:layout_marginTop="15dp"
android:orientation="vertical" >
<TextView
android:id="#+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="60dp"
android:layout_marginTop="10dp"
android:text="College name"
android:textColor="#android:color/darker_gray"
android:textSize="20dp" />
<TextView
android:id="#+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="30dp"
android:layout_marginTop="14dp"
android:padding="15dp"
android:text="description"
android:textColor="#android:color/white"
android:textSize="20dp" />
<ScrollView
android:layout_width="wrap_content"
android:layout_height="wrap_content" >
<LinearLayout
android:layout_width="230dp"
android:layout_height="180dp"
android:layout_marginLeft="40dp"
android:padding="10dp"
android:orientation="vertical" >
<EditText
android:id="#+id/editText1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="6dp"
android:ems="10"
android:hint="student name"
android:textColorHint="#7D0541"/>
<EditText
android:id="#+id/editText2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="6dp"
android:ems="10"
android:hint="student roll no"
android:textColorHint="#7D0541">
</EditText>
<Button
android:id="#+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Press Here"
android:layout_marginTop="8dp"
android:layout_gravity="center"
android:textColor="#0000A0"/>
</LinearLayout>
</ScrollView>
</LinearLayout>
</LinearLayout>
<ImageView
android:id="#+id/imageView1"
android:layout_width="120dp"
android:layout_height="80dp"
android:layout_gravity="center"/>
</LinearLayout>

Use ScrollView as parent layout for linear_login and try to remove un-required inner LinearLayout :
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:gravity="center"
android:background="#drawable/back">
<ScrollView
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1">
<LinearLayout
android:id="#+id/linear_login"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#drawable/oie_transparent"
android:orientation="vertical"
android:gravity="center"
android:layout_gravity="center">
<TextView
android:id="#+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="College name"
android:textColor="#color/red1"
android:textSize="20dp" />
<TextView
android:id="#+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="14dp"
android:padding="15dp"
android:text="#string/desc"
android:textColor="#color/purple2"
android:textSize="20dp" />
<EditText
android:id="#+id/editText1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:background="#drawable/edit_style"
android:ems="10"
android:hint="student name"
android:textColorHint="#7D0541"/>
<EditText
android:id="#+id/editText2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="#drawable/edit_style"
android:layout_marginTop="10dp"
android:ems="10"
android:hint="student roll no"
android:textColorHint="#7D0541"/>
<Button
android:id="#+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Press Here"
android:layout_marginTop="10dp"
android:background="#drawable/button_state"
android:textColor="#0000A0"/>
</LinearLayout>
</ScrollView>
<ImageView
android:id="#+id/imageView1"
android:layout_width="120dp"
android:layout_height="80dp"
android:src="#drawable/ic_launcher"/>
</LinearLayout>

Unable to set header in Linear layout in android

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#00b9e8"
android:paddingBottom="#dimen/activity_vertical_margin"
android:paddingLeft="#dimen/activity_horizontal_margin"
android:paddingRight="#dimen/activity_horizontal_margin"
android:paddingTop="#dimen/activity_vertical_margin" >
<RelativeLayout
android:id="#+id/header"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="0dp"
android:layout_marginRight="0dp"
android:background="#ffffff" >
<TextView
android:id="#+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="5dp"
android:text="Serch"
android:textColor="#000"
android:textSize="20sp" />
<ImageView
android:id="#+id/imageView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_alignTop="#+id/textView2"
android:layout_marginRight="32dp"
android:src="#drawable/backbutton" />
</RelativeLayout>
<RelativeLayout
android:id="#+id/footer"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:background="#6AED83"
android:gravity="center" >
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="5dp"
android:text="Footer"
android:textColor="#000000"
android:textSize="20sp" />
</RelativeLayout>
<TextView
android:id="#+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_marginTop="122dp"
android:text="Enter Mobile Number"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textColor="#ffffff"
android:textSize="20dp" />
<LinearLayout
android:id="#+id/layout1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_below="#+id/textView1"
android:layout_marginLeft="14dp"
android:layout_marginTop="16dp"
android:background="#drawable/roundedlinearlayout3"
android:weightSum="4" >
<ImageView
android:id="#+id/imageView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:src="#drawable/user_s_icon" />
<EditText
android:id="#+id/editText1"
android:layout_width="220dp"
android:layout_height="wrap_content"
android:hint="Enter Mobile Number"
android:textColorHint="#0060a4" >
</EditText>
</LinearLayout>
<Button
android:id="#+id/signin"
android:layout_width="244dip"
android:layout_height="wrap_content"
android:layout_alignRight="#+id/layout1"
android:layout_below="#+id/layout1"
android:layout_marginTop="27dp"
android:background="#drawable/rounded"
android:text="Search"
android:textColor="#ffffff"
android:textSize="10pt" />
</RelativeLayout>
This is my Xml i am Unable to set Linear layout inside text view and image button Like desire image:
This is my desire screen : below is my current screen :
i am unable to set text-view and image view on top of Linear layout

Try this way,hope this will help you to solve your problem.
Instead of using RelativeLayout use LinearLayout which can be easily done your requirement.
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#00b9e8"
android:orientation="vertical">
<LinearLayout
android:id="#+id/header"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="5dp"
android:gravity="center"
android:background="#ffffff" >
<TextView
android:id="#+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Serch"
android:textColor="#000"
android:textSize="20sp" />
<View
android:layout_width="0dp"
android:layout_height="1dp"
android:layout_weight="1"/>
<ImageView
android:id="#+id/imageView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#drawable/backbutton" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:gravity="center"
android:orientation="vertical">
<TextView
android:id="#+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Enter Mobile Number"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textColor="#ffffff"
android:textSize="20dp" />
<LinearLayout
android:id="#+id/layout1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="#+id/textView1"
android:layout_marginTop="10dp"
android:background="#drawable/roundedlinearlayout3">
<EditText
android:id="#+id/editText1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="Enter Mobile Number"
android:textColorHint="#0060a4"
android:drawableLeft="#drawable/user_s_icon">
</EditText>
</LinearLayout>
<Button
android:id="#+id/signin"
android:layout_width="244dip"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:background="#drawable/rounded"
android:text="Search"
android:textColor="#ffffff"
android:textSize="10pt" />
</LinearLayout>
<LinearLayout
android:id="#+id/footer"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#6AED83"
android:gravity="center"
android:padding="5dp">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Footer"
android:textColor="#000000"
android:textSize="20sp" />
</LinearLayout>
</LinearLayout>

Android text alignment changed automatically

I am trying to create a layout it was working good yesterday but today I am opened the xml view all the text of controls is right aligned it happen with every screen.
<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"
android:background="#drawable/bg"
>
<RelativeLayout
android:id="#+id/layout_logo"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_above="#+id/layout_loginArea"
android:gravity="center_horizontal" >
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#drawable/logo" />
</RelativeLayout>
<LinearLayout
android:id="#+id/layout_loginArea"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:gravity="center"
android:orientation="vertical"
android:padding="10dp" >
<EditText
android:id="#+id/edit_username"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="#drawable/txt_box"
android:hint="#string/usernamehint"
android:inputType="textPersonName"
android:paddingBottom="4dp"
android:paddingLeft="6dp"
android:paddingRight="6dp"
android:paddingTop="4dp"
android:textColor="#ffffff"
android:textColorHint="#ffffff" />
<EditText
android:id="#+id/edit_password"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="3dp"
android:background="#drawable/txt_box"
android:hint="#string/passwordhint"
android:inputType="textPassword"
android:padding="4dp"
android:paddingBottom="4dp"
android:paddingLeft="6dp"
android:paddingRight="6dp"
android:paddingTop="4dp"
android:textColor="#ffffff"
android:textColorHint="#ffffff" />
<Button
android:id="#+id/button_login"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_marginTop="3dp"
android:background="#drawable/signin_button"
android:text="#string/loginButtonText" />
<TextView
android:id="#+id/txt_forgotpassword"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:gravity="center_horizontal"
android:text="#string/forgotpassword" />
</LinearLayout>
<LinearLayout
android:id="#+id/layout_createAccount"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:gravity="center"
android:orientation="vertical"
android:padding="10dp" >
<Button
android:id="#+id/button_facebook"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:background="#drawable/facebook_button"
android:text="#string/createaccount" />
<Button
android:id="#+id/button_createAccount"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="#drawable/create_account" />
</LinearLayout>
</RelativeLayout>

Set the width of view and make view gravity="center"
<LinearLayout
android:id="#+id/layout_createAccount"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:orientation="vertical"
android:padding="10dp" >
<Button
android:id="#+id/button_facebook"
android:layout_width="200dp"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:background="#color/app_bg"
android:gravity="center"
android:text="createaccount" />
<Button
android:id="#+id/button_createAccount"
android:layout_width="200dp"
android:layout_height="wrap_content"
android:layout_marginTop="2dp"
android:background="#color/app_bg"
android:gravity="center"
android:text="createaccount" />
</LinearLayout>

QuickcontactBadge not showing up in Layout when ran the app

I am using a FrameLayout with some EditText controls and a QuickContactBadge. Its fine till here. when I run the app, I am able to see all the controls, but QuickContactBadge not appearing in the layout.
What I need to do to make it visible? Did I miss anything?
This is my layout file,
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout 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:scaleType="fitXY"
android:src="#drawable/pattern1" />
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="50dp"
android:orientation="vertical" >
<ScrollView
android:layout_width="wrap_content"
android:layout_height="fill_parent" >
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical" >
<RelativeLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content" >
<QuickContactBadge
android:id="#+id/quickContactBadge1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true"
android:layout_marginRight="10dp"
android:scaleType="centerCrop" />
<EditText
android:id="#+id/txtlastname"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentLeft="true"
android:layout_alignRight="#+id/edttxtfirstname"
android:layout_marginTop="50dp"
android:ems="10"
android:hint="Last Name"
android:inputType="textPersonName"
android:textColor="#000000" />
<EditText
android:id="#+id/edttxtfirstname"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:ems="10"
android:hint="First Name"
android:inputType="textPersonName"
android:textColor="#000000" >
<requestFocus />
</EditText>
</RelativeLayout>
<View
android:layout_width="match_parent"
android:layout_height="2dp"
android:background="#000000" >
</View>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal" >
<TextView
android:id="#+id/txtheadingphone"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_alignParentBottom="true"
android:layout_alignRight="#+id/editText2"
android:layout_gravity="center"
android:layout_marginRight="70dp"
android:layout_weight="0.63"
android:gravity="center_vertical"
android:text="Phone"
android:textColor="#ffffffff" />
<ImageButton
android:id="#+id/imgbtnaddphone"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#android:drawable/ic_input_add" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal" >
<Button
android:id="#+id/btnchphone"
style="?android:attr/buttonStyleSmall"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Phone"
android:textColor="#ffffffff" />
<EditText
android:id="#+id/edttxtphone"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="0.48"
android:ems="10"
android:gravity="center"
android:hint="Phone Number"
android:inputType="phone"
android:textColor="#000000" />
<ImageButton
android:id="#+id/imgbtndelphone"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#android:drawable/ic_input_delete" />
</LinearLayout>
<View
android:layout_width="match_parent"
android:layout_height="2dp"
android:background="#000000" >
</View>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal" >
<TextView
android:id="#+id/txtheadingaddress"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_alignParentBottom="true"
android:layout_alignRight="#+id/editText2"
android:layout_gravity="center"
android:layout_marginRight="70dp"
android:layout_weight="0.63"
android:gravity="center_vertical"
android:text="Address"
android:textColor="#ffffffff" />
<ImageButton
android:id="#+id/imgbtnaddAddress"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#android:drawable/ic_input_add" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal" >
<Button
android:id="#+id/btnAddress"
style="?android:attr/buttonStyleSmall"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Home"
android:textColor="#ffffffff" />
<EditText
android:id="#+id/edttxtaddress"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:ems="10"
android:gravity="center"
android:hint="Address"
android:inputType="textPostalAddress"
android:textColor="#000000" />
<ImageButton
android:id="#+id/imgbtndeladdress"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#android:drawable/ic_input_delete" />
</LinearLayout>
<EditText
android:id="#+id/edttxtcity"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:ems="10"
android:gravity="center"
android:hint="City"
android:textColor="#000000" />
<EditText
android:id="#+id/edttxtstate"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:ems="10"
android:gravity="center"
android:hint="State"
android:textColor="#000000" />
<EditText
android:id="#+id/edttxzipcode"
android:layout_width="236dp"
android:layout_height="wrap_content"
android:ems="10"
android:gravity="center"
android:hint="ZipCode"
android:inputType="phone"
android:textColor="#000000" />
<View
android:layout_width="match_parent"
android:layout_height="2dp"
android:background="#000000" >
</View>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal" >
<TextView
android:id="#+id/txtemail"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_gravity="center"
android:layout_marginRight="70dp"
android:layout_weight="0.63"
android:gravity="center_vertical"
android:text="Email"
android:textColor="#ffffffff" />
<ImageButton
android:id="#+id/imgbtnaddemail"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#android:drawable/ic_input_add" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal" >
<Button
android:id="#+id/btnchemail"
style="?android:attr/buttonStyleSmall"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Email"
android:textColor="#ffffffff" />
<EditText
android:id="#+id/edttxtemail"
android:layout_width="128dp"
android:layout_height="wrap_content"
android:layout_weight="0.48"
android:ems="10"
android:gravity="center"
android:hint=""
android:inputType="textEmailAddress"
android:textColor="#000000" />
<ImageButton
android:id="#+id/imgbtndelemail"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#android:drawable/ic_input_delete" />
</LinearLayout>
</LinearLayout>
</ScrollView>
</LinearLayout>
<LinearLayout
android:id="#+id/LinearLayout02"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_gravity="bottom"
android:background="#AA000000" >
<Button
android:id="#+id/btnsave"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:onClick="addCustomerDetails"
android:text="Save"
android:textColor="#000000"
>
</Button>
<Button
android:id="#+id/btncancel"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Cancel"
android:textColor="#000000"
android:onClick="canceladdcustomer">
</Button>
</LinearLayout>
</FrameLayout>
Please correct me or provide any useful links, so that I will come to know my mistake.
Thanks for your valuable help!!