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multiple layout in a single xml file

I just want to use multiple layout in a single xml file.I have attached my code below. In that there will be an absolute layout that should be under Horizontal scroll. As a beginner I don't know how to implement it
need your help friends..
xmlns:ads="http://schemas.android.com/apk/lib/com.google.ads"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#drawable/aagr_background2"
android:orientation="vertical" >
<fragment
android:id="#+id/adview153613"
android:name="com.sentientit.theiWedplanner.Fragadmob"
android:layout_width="match_parent"
android:layout_height="wrap_content"
/>
<RelativeLayout
android:id="#+id/RelativeLayout1"
android:layout_width="fill_parent"
android:layout_height="50dp"
android:background="#drawable/aanavigationbar" >
<Button
android:id="#+id/back"
android:layout_width="70dp"
android:layout_height="50dp"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:layout_marginLeft="8dp"
android:layout_marginTop="3dp"
android:layout_x="8px"
android:layout_y="3px"
android:background="#drawable/custom_btn_breaker_bay"
android:text="Back"
android:textColor="#ffffff"
android:textSize="20sp" />
<Button
android:id="#+id/home"
android:layout_width="50px"
android:layout_height="30px"
android:layout_alignParentRight="true"
android:layout_alignTop="#+id/back"
android:layout_marginRight="46dp"
android:background="#drawable/home1"
android:paddingBottom="12px"
android:paddingTop="10px"
android:visibility="gone" />
</RelativeLayout>
<AbsoluteLayout
android:layout_width="fill_parent"
android:layout_height="61dp" >
<AbsoluteLayout
android:layout_width="fill_parent"
android:layout_height="61dp"
android:layout_x="120dp"
android:layout_y="35dp" >
<TextView
android:id="#+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_x="38dp"
android:layout_y="30dp"
android:text="- Kid Seated"
android:textColor="#000000"
android:textSize="13dp"
android:typeface="serif" >
</TextView>
<ImageView
android:id="#+id/imageView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_x="6dp"
android:layout_y="28dp"
android:src="#drawable/kid" >
</ImageView>
</AbsoluteLayout>
<ImageView
android:id="#+id/imageView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_x="437dp"
android:layout_y="3dp"
android:src="#drawable/add11_table" />
<Button
android:id="#+id/button3"
style="?android:attr/buttonStyleSmall"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_x="48dp"
android:layout_y="4dp"
android:text="Line"
android:textSize="20sp" />
<Button
android:id="#+id/button1"
style="?android:attr/buttonStyleSmall"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_x="128dp"
android:layout_y="4dp"
android:text="circle"
android:textSize="20sp" />
<Button
android:id="#+id/button2"
style="?android:attr/buttonStyleSmall"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_x="212dp"
android:layout_y="6dp"
android:text="vshape"
android:textSize="20sp" />
</AbsoluteLayout>
<ScrollView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<HorizontalScrollView
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<LinearLayout
android:id="#+id/table"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
</LinearLayout>
</HorizontalScrollView>
</ScrollView>
Thank you in advance

Not sure whether your looking for this alignment but i just gave a shot..... whenever you wish to fix layout at the bottom of screen make sure you use weight property i.e if you want fix button at the bottom of screen then put android:layout_height = "0dp" and layout_weight="1" for other major layout in the xml and to button which has to be fixed at the bottom use android:layout_height="wrap_content" and layout_weight = "0" that's all is the trick (sorry if i have made it hard to understand... just simply saying play with weight and height property)
<?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:background="#fff"
android:orientation="vertical" >
<fragment
android:id="#+id/adview153613"
android:name="com.sentientit.theiWedplanner.Fragadmob"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1" />
<RelativeLayout
android:id="#+id/RelativeLayout1"
android:layout_width="fill_parent"
android:layout_height="0dp"
android:layout_weight="1" >
<Button
android:id="#+id/back"
android:layout_width="70dp"
android:layout_height="50dp"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:layout_marginLeft="8dp"
android:layout_marginTop="3dp"
android:layout_x="8px"
android:layout_y="3px"
android:text="Back"
android:textColor="#ffffff"
android:textSize="20sp" />
<Button
android:id="#+id/home"
android:layout_width="50px"
android:layout_height="30px"
android:layout_alignParentRight="true"
android:layout_alignTop="#+id/back"
android:layout_marginRight="46dp"
android:paddingBottom="12px"
android:paddingTop="10px"
android:visibility="gone" />
</RelativeLayout>
<ScrollView
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:orientation="vertical" >
<HorizontalScrollView
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<LinearLayout
android:id="#+id/table"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
</LinearLayout>
</HorizontalScrollView>
</ScrollView>
<AbsoluteLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_weight="0" >
<AbsoluteLayout
android:layout_width="fill_parent"
android:layout_height="61dp"
android:layout_x="120dp"
android:layout_y="35dp" >
<TextView
android:id="#+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_x="38dp"
android:layout_y="30dp"
android:text="- Kid Seated"
android:textColor="#000000"
android:textSize="13dp"
android:typeface="serif" >
</TextView>
<ImageView
android:id="#+id/imageView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_x="6dp"
android:layout_y="28dp" >
</ImageView>
</AbsoluteLayout>
<ImageView
android:id="#+id/imageView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_x="437dp"
android:layout_y="3dp" />
<Button
android:id="#+id/button3"
style="?android:attr/buttonStyleSmall"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_x="48dp"
android:layout_y="4dp"
android:text="Line"
android:textSize="20sp" />
<Button
android:id="#+id/button1"
style="?android:attr/buttonStyleSmall"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_x="128dp"
android:layout_y="4dp"
android:text="circle"
android:textSize="20sp" />
<Button
android:id="#+id/button2"
style="?android:attr/buttonStyleSmall"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_x="212dp"
android:layout_y="6dp"
android:text="vshape"
android:textSize="20sp" />
</AbsoluteLayout>
</LinearLayout>

Yes, you can use use multiple layouts in single XML using the <include>.
Here is a example for that:
<?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:background="#color/app_background"
android:orientation="vertical" >
<include layout="#layout/actionbar_main" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1"
android:orientation="vertical" >
<ImageView
android:id="#+id/img_rest_pic"
android:layout_width="wrap_content"
android:layout_height="0dp"
android:layout_weight=".35"
android:src="#drawable/upload_image" />
</LinearLayout>
</LinearLayout>
The actionbar_main.xml file is in different XML:
<?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="?android:attr/actionBarSize"
android:background="#drawable/navbar_txt"
android:orientation="vertical" >
<ImageButton
android:id="#+id/ibtn_action_back"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_centerVertical="true"
android:layout_marginLeft="5dp"
android:background="#null"
android:src="#drawable/navbar_back" />
<ImageButton
android:id="#+id/ibtn_action_settings"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_alignTop="#+id/ibtn_action_back"
android:layout_marginRight="5dp"
android:background="#null"
android:src="#drawable/nacbar_setting" />
<View
android:id="#+id/textView1"
android:layout_width="match_parent"
android:layout_height="1dp"
android:layout_alignParentBottom="true"
android:background="#color/white" />
</RelativeLayout>

Place button below editfield in relative layout

Hi all I have to add 2 Buttons below editfield. I had tried it using relativelayout. But it is not added exactly below mention position.
<?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="fill_parent"
android:fillViewport="true" >
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#E8E8E8" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:padding="10dip" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginTop="5dp"
android:orientation="horizontal" >
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.35"
android:text="User Name"
android:textStyle="bold" />
<EditText
android:id="#+id/name"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.55" />
</LinearLayout>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginTop="5dp"
android:orientation="horizontal" >
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.35"
android:text="Description"
android:textStyle="bold" />
<EditText
android:id="#+id/des"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.55" />
</LinearLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_below="#id/des"
android:padding="10dip">
<Button
android:id="#+id/submit"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:text="Submit" />
<Button
android:id="#+id/cancel"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_toRightOf="#id/submit"
android:text="Cancel" />
</RelativeLayout>
</LinearLayout>
</RelativeLayout>
</ScrollView>
Here I want to add these two buttons exactly below "des" editfield. Thanks in advance
Currently it displays like . But I want these two buttons exactly below last editfield with equal size.

You have just add on your relative layout:
layout_gravity on right and width make on wrap_content. like this
<RelativeLayout
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_below="#id/des" android:layout_gravity="right"
android:padding="10dip">
<Button
android:id="#+id/submit"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:text="Submit" />
<Button
android:id="#+id/cancel"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_toRightOf="#id/submit"
android:text="Cancel" />
</RelativeLayout>
Output looks like:

Ist think you are doing wrong is that : ScrollView never contains Relative Layout as a direct child. it use LinearLayout as a direct child .
use this 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="fill_parent"
android:fillViewport="true" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:padding="10dip" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginTop="5dp"
android:orientation="horizontal" >
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.35"
android:text="User Name"
android:textStyle="bold" />
<EditText
android:id="#+id/name"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.55" />
</LinearLayout>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginTop="5dp"
android:orientation="horizontal" >
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.35"
android:text="Description"
android:textStyle="bold" />
<EditText
android:id="#+id/des"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.55" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="#id/des"
android:orientation="horizontal"
android:padding="10dip" >
<Button
android:id="#+id/submit"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Submit" />
<Button
android:id="#+id/cancel"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Cancel" />
</LinearLayout>
</LinearLayout>
</ScrollView>

Try this
<?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="fill_parent"
android:fillViewport="true" >
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#E8E8E8" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:padding="10dip" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginTop="5dp"
android:orientation="horizontal" >
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.35"
android:text="User Name"
android:textStyle="bold" />
<EditText
android:id="#+id/name"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.55" />
</LinearLayout>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginTop="5dp"
android:orientation="horizontal" >
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.35"
android:text="Description"
android:textStyle="bold" />
<EditText
android:id="#+id/des"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.55" />
</LinearLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_below="#id/des"
android:padding="10dip">
<Button
android:id="#+id/cancel"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:text="Cancel" />
<Button
android:id="#+id/submit"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toLeftOf="#+id/cancel"
android:text="Submit" />
</RelativeLayout>
</LinearLayout>
</RelativeLayout>
</ScrollView>

Try this:
One more thing when you want to do stuff like this, try to see in graphical layout and move elements in that to position you want. Most of time it will work as expected and you can get idea of place too.
<?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="fill_parent"
android:fillViewport="true" >
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#E8E8E8" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:padding="10dip" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginTop="5dp"
android:orientation="horizontal" >
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.35"
android:text="User Name"
android:textStyle="bold" />
<EditText
android:id="#+id/name"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.55" />
</LinearLayout>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginTop="5dp"
android:orientation="horizontal" >
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.35"
android:text="Description"
android:textStyle="bold" />
<EditText
android:id="#+id/des"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.55" />
</LinearLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_below="#id/des"
android:padding="10dip" >
<Button
android:id="#+id/submit"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true"
android:text="Submit" />
<Button
android:id="#+id/cancel"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBaseline="#+id/submit"
android:layout_alignBottom="#+id/submit"
android:layout_alignParentRight="true"
android:text="Cancel" />
</RelativeLayout>
</LinearLayout>
</RelativeLayout>
</ScrollView>

In your case its not possible because you are trying to place a button relative to EditText which is placed inside a LinearLayout, you can place the button relative to linearlayout but not its ChildViews.
Try to bring all the Views inside a single relative layout and place all the Views relative to each other.

<?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="fill_parent"
android:fillViewport="true" >
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#E8E8E8" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:padding="10dip" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginTop="5dp"
android:orientation="horizontal" >
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.35"
android:text="User Name"
android:textStyle="bold" />
<EditText
android:id="#+id/name"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.55" />
</LinearLayout>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginTop="5dp"
android:orientation="horizontal" >
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.35"
android:text="Description"
android:textStyle="bold" />
<EditText
android:id="#+id/des"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.55" />
</LinearLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_below="#id/des"
android:padding="10dip" >
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:orientation="horizontal" >
<Button
android:id="#+id/submit"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginRight="12dp"
android:text="Submit" />
<Button
android:id="#+id/cancel"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Cancel" />
</LinearLayout>
</RelativeLayout>
</LinearLayout>
</RelativeLayout>
Hope this will solve your problem

android:layout_below="#id/des" That des is present in LinearLayout, IF you want to give that way, Same RelativeLyout should be given within the layout that des is present and Their parent should be relative layout, to use parementers such as below or above(i.e., with relative to other widget)

How to fill The Android screen with views and layouts?

I have a Relative Layout Containing following Views and Nested Relative Layouts. For Some devices there is a blank space left at the bottom of the screen. I want to equitably distribute the space to the nested views and viewgroups() to fill the 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="fill_parent"
android:orientation="vertical"
android:background="#color/tdmubiobgd"
android:paddingBottom="#dimen/activity_vertical_margin"
android:paddingLeft="#dimen/activity_horizontal_margin"
android:paddingRight="#dimen/activity_horizontal_margin"
android:paddingTop="#dimen/activity_vertical_margin"
tools:context=".MasterActivity$DummySectionFragment" >
<Button
android:id="#+id/ScanButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentLeft="true"
android:text="Scan" />
<ImageView
android:id="#+id/scan_adsView"
android:layout_width="match_parent"
android:layout_height="0dip"
android:layout_weight="1"
android:layout_alignLeft="#id/ScanButton"
android:layout_alignParentTop="true"
android:scaleType="fitXY"
android:src="#drawable/ads" />
<RelativeLayout
android:id="#+id/scan_header"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignLeft="#+id/scan_adsView"
android:layout_below="#id/scan_adsView"
android:layout_marginTop="10px"
android:orientation="horizontal" >
<ImageView
android:id="#+id/Scan_Image"
android:layout_width="72px"
android:layout_height="72px"
android:src="#drawable/ic_launcher" />
<TextView
android:id="#+id/Scan_Name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_toRightOf="#+id/Scan_Image"
android:text="Name"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textStyle="bold" />
<TextView
android:id="#+id/Scan_DName"
android:layout_width="80dip"
android:layout_height="wrap_content"
android:layout_alignBottom="#+id/textView3"
android:layout_alignParentRight="true"
android:layout_gravity="right"
android:gravity="right"
android:text="DName "
android:textAppearance="?android:attr/textAppearanceSmall"
android:textStyle="bold" />
<TextView
android:id="#+id/Scan_Sex"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="#+id/Scan_Name"
android:layout_toRightOf="#+id/Scan_Age"
android:text="Male"
android:textAppearance="?android:attr/textAppearanceSmall" />
<TextView
android:id="#+id/Scan_Age"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBaseline="#+id/Scan_Sex"
android:layout_alignBottom="#+id/Scan_Sex"
android:layout_alignLeft="#+id/Scan_Name"
android:text="30"
android:textAppearance="?android:attr/textAppearanceSmall" />
</RelativeLayout>
<ImageView
android:id="#+id/scan_level1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignLeft="#+id/scan_header"
android:layout_below="#+id/scan_header"
android:scaleType="fitXY"
android:src="#drawable/l1warning" />
<RelativeLayout
android:id="#+id/scan_master"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignLeft="#+id/scan_level"
android:layout_below="#id/scan_level1"
android:layout_marginTop="10px"
android:orientation="horizontal" >
<TextView
android:id="#+id/scan_mname"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="MinionRush"
android:textAppearance="?android:attr/textAppearanceMedium" />
<TextView
android:id="#+id/scan_mdetails"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="#+id/scan_mname"
android:layout_below="#+id/scan_mname"
android:text="DoodlePlay"
android:textAppearance="?android:attr/textAppearanceSmall" />
<TextView
android:id="#+id/scan_period"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_below="#+id/scan_mdetails"
android:text="DartRace"
android:textAppearance="?android:attr/textAppearanceSmall" />
<ImageView
android:id="#+id/scan_alarm"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true"
android:layout_marginRight="20dp"
android:src="#drawable/alarm" />
</RelativeLayout>
<ImageView
android:id="#+id/scan_level2"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignLeft="#id/scan_master"
android:layout_below="#id/scan_master"
android:scaleType="fitXY"
android:layout_marginTop="10px"
android:src="#drawable/toempty" />
<Gallery
android:id="#+id/scan_gallery"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_below="#id/scan_level2"
android:layout_marginTop="10px"
android:layout_alignParentLeft="true" />
<ImageView
android:id="#+id/faq"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_below="#id/scan_gallery"
android:layout_centerHorizontal="true"
android:layout_marginTop="10px"
android:scaleType="fitXY"
android:src="#drawable/faq" />
</RelativeLayout>

Use the following :
<?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="#ffffff">
<ImageView
android:id="#+id/imageView1"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_weight="1"
android:src="#drawable/ic_launcher" />
<RelativeLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_weight="1"
android:background="#556677">
</RelativeLayout>
<Gallery
android:id="#+id/gallery1"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_weight="1"
android:background="#664411"/>
<RelativeLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_weight="1"
android:background="#997766">
</RelativeLayout>
</LinearLayout>
Hope this will help you....

use linear layout as your parent layout and give weights to all layouts.

Here is a XML for your question
<?xml version="1.0" encoding="utf-8"?>
<ImageView
android:id="#+id/imageView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:src="#drawable/ic_launcher" />
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1">
</RelativeLayout>
<Gallery
android:id="#+id/gallery1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1" />
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1">
</RelativeLayout>

use
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
orientation="vertical">
<ImageView
android:id="#+id/imageView1"
android:layout_width="wrap_content"
android:layout_height="0dp"
android:layout_weight="1"
android:src="#drawable/ic_launcher" />
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1">
</RelativeLayout>
<Gallery
android:id="#+id/gallery1"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
/>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1">
</RelativeLayout>
</LinearLayout>

use linear layout and add
android:layout:weight="1"
in every tag..
if you want to use the Relative layout then,it is better that you should get the screen dimension and divide it into four, if you have four views
Refer this link for getting screen size

TextViews and other elements not being displayed

I have a layout with a view text views, a table and then some buttons at the bottom.
I wanted the buttons to always be at the bottom regardless of the height of the table so I changed the layout to relative so I could do this.
However this mashed all the textviews and the table into one line. So I put these in a LinearLayout within the RelativeLayout which I thought would fix the problem. Problem now is that only the first TextView and the buttons at the bottom show up. Everything else is missing.
Here is the xml code I am using to define this layout:
<?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"
android:layout_margin="4dip"
android:orientation="vertical" >
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentTop="true">
<TextView
android:id="#+id/view_meal_name"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="Spaghetti Bolognaise"
android:textSize="25sp" />
<TextView
android:id="#+id/view_meal_type"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="Dinner"
android:textSize="16sp" />
<RelativeLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="10dip"
android:layout_marginTop="10dip" >
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_toLeftOf="#+id/view_day_calories"
android:text="#string/calories_label"
android:textSize="18sp" />
<TextView
android:id="#+id/view_day_calories"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:text="#string/calories_today_value"
android:textSize="18sp" />
</RelativeLayout>
<View
android:layout_width="fill_parent"
android:layout_height="2dip"
android:layout_marginBottom="10dip"
android:background="#color/hr" />
<ScrollView
android:id="#+id/scrollView1"
android:layout_width="match_parent"
android:layout_height="wrap_content" >
<LinearLayout
android:id="#+id/linearLayout1"
android:layout_width="match_parent"
android:layout_height="wrap_content" >
<TableLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/tableLayout1"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_marginLeft="10dip"
android:layout_marginRight="10dip"
android:stretchColumns="0,1,2" >
<TableRow
android:id="#+id/tableRow1"
android:layout_width="wrap_content"
android:layout_height="wrap_content" >
<TextView
android:id="#+id/meal_table_ingred_title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="#string/ingredient"
android:textAppearance="?android:attr/textAppearanceMedium" />
<TextView
android:id="#+id/meal_table_quantity_title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="#string/quantity"
android:textAppearance="?android:attr/textAppearanceMedium" />
<TextView
android:id="#+id/meal_table_calories_title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="#string/calories"
android:textAppearance="?android:attr/textAppearanceMedium" />
</TableRow>
</TableLayout>
</LinearLayout>
</ScrollView>
</LinearLayout>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:weightSum="1.0" >
<Button
android:id="#+id/edit_meal_button"
android:layout_width="0dip"
android:layout_height="wrap_content"
android:layout_weight="0.5"
android:text="#string/edit_meal_label" />
<Button
android:id="#+id/favourite_meal_button"
android:layout_width="0dip"
android:layout_height="wrap_content"
android:layout_weight="0.5"
android:text="#string/favourite_meal_label" />
</LinearLayout>
</RelativeLayout>
Thanks for your help!

Change
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentTop="true">
to
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:orientation="vertical">

Android Layout not displaying properly

I have a layout problem, the idea is that the buttons and text dont show
<?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:background="#ffffff" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="#5094c5"
android:orientation="vertical"
android:paddingBottom="8dp"
android:paddingTop="8dp" >
<ImageView
android:id="#+id/logo"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:src="#drawable/logo" />
</LinearLayout>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_weight="1" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_weight="1"
android:gravity="center_vertical"
android:orientation="vertical" >
<ImageButton
android:id="#+id/buton_produse"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:adjustViewBounds="true"
android:src="#drawable/icon" />
<TextView
android:id="#+id/produse"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:text="Produse"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textColor="#000000" />
</LinearLayout>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_weight="1"
android:gravity="center_vertical"
android:orientation="vertical" >
<ImageButton
android:id="#+id/buton_produse"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:src="#drawable/icon" />
<TextView
android:id="#+id/produse"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:text="Produse"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textColor="#000000" />
</LinearLayout>
</LinearLayout>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_weight="1" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_weight="1"
android:gravity="center_vertical"
android:orientation="vertical" >
<ImageButton
android:id="#+id/buton_produse"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:src="#drawable/icon" />
<TextView
android:id="#+id/produse"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:text="Produse"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textColor="#000000" />
</LinearLayout>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_weight="1"
android:gravity="center_vertical"
android:orientation="vertical" >
<ImageButton
android:id="#+id/buton_produse"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:src="#drawable/icon" />
<TextView
android:id="#+id/produse"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:text="Produse"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textColor="#000000" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
</LinearLayout>

Set the height and width in the xml layout file to what they should be when they are visible but initially, in code, get a reference to them and make them invisible. Then, when needed, you can make them visible (in code).

Maybe better try with RelativeLayout. This seems to be too nested and too much complicated than it suppose to be.

You can give setVisibility() property to button and textview in layout.