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Replace fragment inside fragment :Exception No view found for id 0x

I have one fragment and I try to replace some another fragment in my layout.Here is a fragment replace code
public static void replace(FragmentManager fm, Fragment fragment, int container, String tag) {
FragmentTransaction fragmentTransaction = fm.beginTransaction();
fragmentTransaction.replace(container, fragment, tag);
fragmentTransaction.commit();
}
Here is a main code
if (cardList != null && cardList.isEmpty()) {
hideDialog(pDialog);
drawavleView.setDrawerLockMode(DrawerLayout.LOCK_MODE_LOCKED_CLOSED);
norecordfragment = new NoRecordFragment();
norecordfragment.setAvatar(R.drawable.ic_card_nocard);
norecordfragment.setText(getActivity().getString(R.string.u_cards_no_data_text));
norecordfragment.setButtontext(getActivity().getString(R.string.u_cards_no_data_action));
norecordfragment.setAllowToShowAddAction(false);
floatingActionButton.setVisibility(View.VISIBLE);
FragmentUtils.replace(getActivity().getSupportFragmentManager(), norecordfragment,
R.id.upload_main_layout_upload,"norecordfragment");
}
Here is my xml code
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#ffffff"
android:fitsSystemWindows="false">
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fillViewport="true"
android:minHeight="#dimen/u_base_min_height">
<RelativeLayout
android:id="#+id/upload_main_layout_upload"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#ffffff">
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/lay_v3"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#android:color/white"
android:orientation="vertical">
<RelativeLayout
android:id="#+id/upload_header_layout"
android:layout_width="match_parent"
android:layout_height="#dimen/transfer_headerView_height"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_alignParentTop="true"
android:background="#f2f2f2" />
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="#dimen/u_common_margin_left"
android:layout_marginRight="#dimen/u_common_margin_left"
android:layout_marginTop="#dimen/withdrow_change_card_height"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="#dimen/u_widget_height"
android:background="#drawable/edittext_input_background_not_focus"
android:orientation="horizontal">
<EditText
android:id="#+id/u_major_text"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_marginBottom="7dp"
android:layout_marginLeft="5dp"
android:layout_weight="0.65"
android:background="#null"
android:gravity="left"
android:hint="0.00"
android:imeOptions="actionDone"
android:inputType="numberDecimal"
android:maxLines="1"
android:singleLine="true"
android:textColor="#4d4d4d"
android:textColorHint="#b2b2b2"
android:textSize="35dp" />
<Spinner
android:id="#+id/upload_spinner"
style="#style/Widget.MyApp.HeaderBar.Spinner"
android:layout_width="80dp"
android:layout_height="match_parent"
android:layout_alignParentRight="true"
android:layout_centerVertical="true"
android:background="#drawable/edittext_input_background_not_focus" />
<ImageView
android:id="#+id/u_open_spinner"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBottom="#+id/transfer_user_description"
android:layout_alignParentEnd="true"
android:layout_alignParentRight="true"
android:layout_centerVertical="true"
android:layout_gravity="center"
android:padding="#dimen/slide_menu_hide_image"
android:src="#drawable/ic_menu_downarrow_grey" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
<LinearLayout
android:id="#+id/lay_v4"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:orientation="vertical"
android:paddingLeft="#dimen/u_common_margin_left"
android:paddingRight="#dimen/u_common_margin_left">
<com.ripperLayout.MaterialRippleLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="fill_parent"
android:layout_height="#dimen/u_widget_height"
android:descendantFocusability="blocksDescendants"
android:gravity="center_vertical"
app:mrl_rippleAlpha="0.2"
app:mrl_rippleColor="#ffffff"
app:mrl_rippleDelayClick="false"
app:mrl_rippleHover="true"
app:mrl_rippleOverlay="true"
app:mrl_rippleRoundedCorners="4dp">
<Button
android:id="#+id/u_done"
android:layout_width="fill_parent"
android:layout_height="#dimen/u_widget_height"
android:background="#drawable/rounded_corners_blue"
android:text="#string/u_register_next"
android:textColor="#ffffff"
android:textSize="#dimen/u_common_text_size_small" />
</com.ripperLayout.MaterialRippleLayout>
<View
android:layout_width="match_parent"
android:layout_height="#dimen/u_common_margin_left"
android:visibility="invisible" />
</LinearLayout>
</RelativeLayout>
</ScrollView>
<LinearLayout
android:id="#+id/floating_action_bar_transparent"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#4D000000"
android:clickable="true"
android:orientation="vertical"
android:visibility="gone" />
<android.support.design.widget.FloatingActionButton xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="#+id/floating_action_bar"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="bottom|end"
android:layout_margin="#dimen/fab_margin"
android:src="#drawable/ic_add_white"
app:backgroundTint="#48c9ff" />
</android.support.design.widget.CoordinatorLayout>
I don't know why in some devices I have this exception.
Exception java.lang.IllegalArgumentException: No view found for id 0x7f09052f (com.me.myapp:id/upload_main_layout_upload) for fragment NoRecordFragment{5309279 #4 id=0x7f09052f norecordfragment}
As you can see, I tried to replace my custom fragment inside upload_main_layout_upload layout, but I have this exception. What am I doing wrong? Thanks.

To implement a Fragment inside another layout, you need to have the layout that you are showing inside the Fragment in another fragment_layout.xml file. So you need to modify your current layout as follows.
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#ffffff"
android:fitsSystemWindows="false">
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fillViewport="true"
android:minHeight="#dimen/u_base_min_height">
<RelativeLayout
android:id="#+id/upload_main_layout_upload"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#ffffff"/>
</ScrollView>
<LinearLayout
android:id="#+id/floating_action_bar_transparent"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#4D000000"
android:clickable="true"
android:orientation="vertical"
android:visibility="gone" />
<android.support.design.widget.FloatingActionButton xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="#+id/floating_action_bar"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="bottom|end"
android:layout_margin="#dimen/fab_margin"
android:src="#drawable/ic_add_white"
app:backgroundTint="#48c9ff" />
</android.support.design.widget.CoordinatorLayout>
And take the content inside the RelativeLayout outside of this layout and create another layout which will be used in your Fragment to get views from there.
Here's a sample fragment_layout.xml.
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/lay_v3"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#android:color/white"
android:orientation="vertical">
<RelativeLayout
android:id="#+id/upload_header_layout"
android:layout_width="match_parent"
android:layout_height="#dimen/transfer_headerView_height"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_alignParentTop="true"
android:background="#f2f2f2" />
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="#dimen/u_common_margin_left"
android:layout_marginRight="#dimen/u_common_margin_left"
android:layout_marginTop="#dimen/withdrow_change_card_height"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="#dimen/u_widget_height"
android:background="#drawable/edittext_input_background_not_focus"
android:orientation="horizontal">
<EditText
android:id="#+id/u_major_text"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_marginBottom="7dp"
android:layout_marginLeft="5dp"
android:layout_weight="0.65"
android:background="#null"
android:gravity="left"
android:hint="0.00"
android:imeOptions="actionDone"
android:inputType="numberDecimal"
android:maxLines="1"
android:singleLine="true"
android:textColor="#4d4d4d"
android:textColorHint="#b2b2b2"
android:textSize="35dp" />
<Spinner
android:id="#+id/upload_spinner"
style="#style/Widget.MyApp.HeaderBar.Spinner"
android:layout_width="80dp"
android:layout_height="match_parent"
android:layout_alignParentRight="true"
android:layout_centerVertical="true"
android:background="#drawable/edittext_input_background_not_focus" />
<ImageView
android:id="#+id/u_open_spinner"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBottom="#+id/transfer_user_description"
android:layout_alignParentEnd="true"
android:layout_alignParentRight="true"
android:layout_centerVertical="true"
android:layout_gravity="center"
android:padding="#dimen/slide_menu_hide_image"
android:src="#drawable/ic_menu_downarrow_grey" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
You have too many nested layouts inside one as far as I can see. You need to rearrange your layouts as per your requirement and transaction flows between Activity and Fragments.

Android linearLayout children not expanding to fill parent

I have the following as a layout of mine:
<LinearLayout 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:orientation="vertical"
tools:context=".MyActivity">
<EditText
android:id="#+id/text1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#drawable/bubble_b"
android:textAppearance="?android:attr/textAppearanceMedium" />
<RatingBar
android:id="#+id/rating"
style="?android:attr/ratingBarStyle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:numStars="5"
android:rating="4"
android:stepSize="0.5"
android:layout_weight="1"/>
This makes my edittext and ratingbar be pushed up to the top and both of the heights are just 'wrap_content'. I have tried with RelativeLayouts as well and all that happens is the EditText takes up the entire screen and pushes the ratingbar off the screen.
Why are the layout weights not working as expected? If edittext weight is 3 and the ratingbar is 1 I would assume the edittext would take 75% of the screen, and so forth?
The background is a 9patch image so it should have no problem expanding either.
Thank you

I believe you want something like this
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="match_parent"
android:weightSum="1">
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="EditText"
android:ems="10"
android:id="#+id/editText"
android:layout_weight="0.53" />
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="0.53">
<RatingBar
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:id="#+id/ratingBar"/>
</RelativeLayout>
</LinearLayout>

use Relative Layout to center object:
<LinearLayout 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:orientation="vertical"
tools:context=".MyActivity">
<RelativeLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1">
<EditText
android:id="#+id/text1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#drawable/bubble_b"
android:textAppearance="?android:attr/textAppearanceMedium"
android:layout_centerInParent="true" />
</RelativeLayout>
<RelativeLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1">
<RatingBar
android:id="#+id/rating"
style="?android:attr/ratingBarStyle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:numStars="5"
android:rating="4"
android:stepSize="0.5"
android:layout_weight="1"/>
</RelativeLayout>

Change LinearLayout's
android:layout_height="wrap_content"
to
android:layout_height="match_parent".
Also, instead of setting "0dp" to EditText and RatingBar set it to match_parent.
[Update]
<LinearLayout 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:orientation="vertical"
tools:context=".MyActivity">
<EditText
android:id="#+id/text1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:textAppearance="?android:attr/textAppearanceMedium" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:layout_weight="1">
<RatingBar
android:id="#+id/rating"
style="?android:attr/ratingBarStyle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:numStars="5"
android:rating="4"
android:stepSize="1" />
</LinearLayout>
</LinearLayout>

Android studio XML textview on an imageview

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:orientation="vertical"
android:layout_height="match_parent">
<ImageView
android:layout_width="433dp"
android:layout_height="210dp"
android:layout_marginTop="25dp"
android:id="#+id/imageView"
android:scaleType="fitXY"
android:contentDescription="#string/image_description" />
<TextView
android:id="#+id/item_number"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:fontFamily="sans-serif-light"
android:text="#string/list_number_placeholder"
android:textColor="#color/bar_separator_color"
android:layout_centerInParent="true"
android:textSize="50dp"
android:gravity="center"
android:layout_marginLeft="85dp"
/>
I have a question i cant get the text on my imageview, i think its something with the layers. Please help me..
im btw a beginner in Android studio XD

you are using LinearLayout which stacks your view one by one, either in horizontal direction or vertical direction (Orientation).
So use RelativeLayout instead if you want views overlapping.
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:orientation="vertical"
android:layout_height="match_parent">
<ImageView
android:layout_width="433dp"
android:layout_height="210dp"
android:layout_marginTop="25dp"
android:id="#+id/imageView"
android:scaleType="fitXY"
android:contentDescription="#string/image_description" />
<TextView
android:id="#+id/item_number"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:fontFamily="sans-serif-light"
android:text="#string/list_number_placeholder"
android:textColor="#color/bar_separator_color"
android:layout_centerInParent="true"
android:textSize="50dp"
android:gravity="center"
android:layout_marginLeft="85dp"
/>
</RelativeLayout>

Change your Linear Layout to Relative layout
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:orientation="vertical"
android:layout_height="match_parent">
<ImageView
android:layout_width="433dp"
android:layout_height="210dp"
android:layout_marginTop="25dp"
android:id="#+id/imageView"
android:scaleType="fitXY"
android:contentDescription="#string/image_description" />
<TextView
android:id="#+id/item_number"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:fontFamily="sans-serif-light"
android:text="#string/list_number_placeholder"
android:textColor="#color/bar_separator_color"
android:layout_centerInParent="true"
android:textSize="50dp"
android:gravity="center"
android:layout_marginLeft="85dp"
/>
</RelativeLayout>
**Well You are better to use framelayout **. I hope this will help you

its not good way. better print something with java like:
LinearLayout lView = new LinearLayout(this);
myText = new TextView(this);
myText.setText("My Text");
lView.addView(myText);
setContentView(lView);

This works.
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:orientation="vertical"
android:layout_height="match_parent">
<RelativeLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content">
<ImageView
android:layout_width="433dp"
android:layout_height="210dp"
android:layout_marginTop="25dp"
android:id="#+id/imageView"
android:scaleType="fitXY"
android:contentDescription="hii" />
<TextView
android:id="#+id/item_number"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:fontFamily="sans-serif-light"
android:text="yo"
android:textColor="#color/bg_login"
android:layout_centerInParent="true"
android:textSize="50dp"
android:gravity="center"
android:layout_marginLeft="85dp"
/>
</RelativeLayout>
</LinearLayout>

This code put the text in the middle of the image as you've requested for.
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:id="#+id/nations"
android:background="#color/colorPrimary"
android:layout_height="match_parent">
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:background="#color/colorPrimary"
android:layout_height="wrap_content">
<ImageView
android:src="#mipmap/ic_launcher"
android:layout_width="433dp"
android:layout_height="210dp"
android:layout_marginTop="25dp"
android:id="#+id/imageView"
android:scaleType="fitXY"
android:contentDescription="image" />
<TextView
android:id="#+id/item_number"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:fontFamily="sans-serif-light"
android:text="#string/list_number_placeholder"
android:textColor="#color/bar_separator_color"
android:textSize="50dp"
android:layout_centerVertical="true"
android:layout_centerHorizontal="true"
/></RelativeLayout>
</LinearLayout>

Try this
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:id="#+id/picture"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:src="#drawable/picture"
android:scaleType="centerCrop" />
<TextView
android:id="#+id/text"
android:gravity="center_horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="My super text"
android:textColor="#android:color/white"
android:layout_gravity="center_vertical"
android:textStyle="bold"
android:textSize="48sp" />
<LinearLayout
android:id="#+id/controls"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#7f000000"
android:orientation="vertical"
android:layout_gravity="bottom"/>
</FrameLayout>

Android - Issue with size of EditText in Layout xml

I am having a problem with the layout xml for my fragment... I think it may be because the layout was originally made for just an activity, and then later it was changed to a fragment. It looks like this in my editor:
But in my phone and emulator, it ends up like this:
Can anyone think of a solution for me? I've tried out multiple things but cannot seem to fix it, as i think maybe the rules are a little different when working with fragments? Thank you for all and any help!!
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<TextView android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="#string/title" />
<EditText android:id="#+id/title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"/>
</LinearLayout>
<TextView android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="#string/body" />
<EditText android:id="#+id/body" android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:scrollbars="vertical" />
<Button android:id="#+id/confirm"
android:text="#string/confirm"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</LinearLayout>
Layout file for the activity:
<?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" >
<FrameLayout
android:id="#+id/frame1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="#+id/textView1"
android:layout_marginTop="130dp"
android:layout_toRightOf="#+id/textView1" >
</FrameLayout>
</LinearLayout>

Just change android:layout_width to match_parent. This will fill up all the available space horizontally.
<TextView android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="#string/body" />
<EditText android:id="#+id/body"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:scrollbars="vertical" />
<Button android:id="#+id/confirm"
android:text="#string/confirm"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
For Layout file of activity :
<FrameLayout
android:id="#+id/frame1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="#+id/textView1"
android:layout_marginTop="130dp"
android:layout_toRightOf="#+id/textView1" >
</FrameLayout>

You can use the property "ems" to change the size.
<EditText
android:id="#+id/editText1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:ems="10" >
<requestFocus />
</EditText>

for your text views and edit views try to match_parent instead of wrapping content
<TextView android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="#string/title" />
<EditText android:id="#+id/title"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"/>

Overlaying textview with imageview linear layout

I've got a few linear layouts stacked on top of each other, the centre one has an imageview. I'm trying to get a textview on top of the imageview in the centre however I'm having trouble. I've tried with relative layout however it messes up all my other layouts. Any simple solutions to this?
EDIT ----
<?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" >
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#000000"
android:orientation="horizontal"
android:paddingLeft="50dp"
android:paddingRight="50dp" >
<ImageButton
android:id="#+id/btnBck"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#null"
android:src="#drawable/ic_launcher" />
<ImageButton
android:id="#+id/btnHome"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#null"
android:src="#drawable/ic_launcher" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="6"
android:orientation="vertical" >
<ImageView
android:id="#+id/picPreview"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#000000"
android:contentDescription="#string/imageDesc"
android:src="#null" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#000000"
android:orientation="horizontal"
android:paddingLeft="50dp"
android:paddingRight="50dp" >
<ImageButton
android:id="#+id/btnAccept"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#null"
android:src="#drawable/ic_launcher" />
<ImageButton
android:id="#+id/btnDecline"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#null"
android:src="#drawable/ic_launcher" />
</LinearLayout>
</LinearLayout>
I'm trying to get the text view on top of the id/picPreview image view

LinearLayout is designed to place layouts/views in a row (linearly).
One solution would be something like this:
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="6"
android:orientation="vertical" >
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:id="#+id/picPreview"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#000000"
android:contentDescription="#string/imageDesc"
android:layout_centerInParent="true"
android:src="#null" />
<TextView
android:id="#+id/picPreviewLbl"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_centerInParent="true"
android:text="Overlay" />
</RelativeLayout>
</LinearLayout>

Why not just use a TextView in place of the centered ImageView and then set the background of the text be the solid color that you are currently using? Eg.
<TextView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#000000"
android:text="Sample Text" ... />