Develop Reference

Android how to fill parent but leave some space

The title isn't good but i didn't know how else to describe
I have a relative layout with 2 elements, some container and a button at bottom.
I want the container fill all the space in the relativelayout leaving just the space enough to put the button
here is an example:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/mainLayout"
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout //i'm using linearlayout as an example, it could be anything here
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignBottom="#+id/b3"
android:gravity="center"
android:orientation="vertical">
</LinearLayout>
<Button
android:id="#+id/b3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:text="asdasdasdasdasdasdasdasd" />
</RelativeLayout>
here is how i want it look like
The red means the relavitive layout, the green the linear layout, and the yellow means the button...
how can i make it?

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:android="http://schemas.android.com/apk/res/android"
android:background="#color/red"
android:padding="5dp"
>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_above="#+id/b"
android:background="#color/green">
</LinearLayout>
<Button
android:id="#+id/b"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:text="this is the button"
android:background="#color/yellow"/>
</RelativeLayout>

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/mainLayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#color/colorAccent">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_alignTop="#+id/b3"
android:layout_margin="4dp"
android:background="#color/colorPrimary"
android:gravity="center"
android:orientation="vertical">
</LinearLayout>
<Button
android:id="#+id/b3"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:text="asdasdasdasdasdasdasdasd" />
</RelativeLayout>

This should give you something close to what you want:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/mainLayout"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout //i'm using linearlayout as an example, it could be anything here
android:layout_width="match_parent"
android:layout_height="0px"
android:layout_weight="3"
android:gravity="center"
android:orientation="vertical">
</LinearLayout>
<Button
android:id="#+id/b3"
android:layout_width="wrap_content"
android:layout_height="0px"
android:layout_weight="1"
android:text="asdasdasdasdasdasdasdasd" />
</LinearLayout>

Place a button in Relative layout below the custom zoomview

I want to place a Relative layout below the custom Zoomview. I don't want the content of Relative Layout to get Zoom. I want a button to be placed at center of that relative layout.
Here is my XML:
<?xml version="1.0" encoding="utf-8"?>
<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="wrap_content"
android:orientation="horizontal"
android:background="#drawable/images">
<com.example.acer.myapplication.ZoomView
android:id="#+id/iop"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center"
android:text="#string/twentyfive" />
</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<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="wrap_content"
android:orientation="vertical"
android:background="#drawable/images">
<com.example.acer.myapplication.ZoomView
android:id="#+id/iop"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:gravity="center"
android:text="#string/twentyfive" />
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<Button
android:layout_centerInParent="true"
android:text="Button"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</RelativeLayout>
</LinearLayout>
Never tested code, but hopefully it will work.

Try this -
<?xml version="1.0" encoding="utf-8"?>
<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="wrap_content"
android:orientation="vertical"
android:background="#drawable/images">
<com.example.acer.myapplication.ZoomView
android:id="#+id/iop"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center"
android:text="#string/twentyfive" />
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<Button
android:id="#+id/button"
android:layout_width="wrap_content"
android:layout_height="45dp"
android:layout_centerHorizontal="true"/> //Or use android:layout_centerInParent="true"
</RelativeLayout>
</LinearLayout>

Android XML Linear Layout Display

Good morning guys,
I am having a bit of trouble resolving an issue and could use some help. I created an XML resource file called comment__layout. For some reason I cannot get the layout to display full screen. Please can you review the XML code and help. As you will see in the screenshot the Comment layout is loaded over the parent layout which is exactly what I want however, I would like the Comment layout to be full screen.
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/comment__layout"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#color/dark_grey">
<LinearLayout
android:id="#+id/comment_heading__layout"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="3"
android:text="Comments"
android:textSize="20sp"
android:textColor="#color/gps_orange"
android:textStyle="bold"/>
<Button
android:id="#+id/comment_close__button"
android:layout_width="40dp"
android:layout_height="40dp"
android:text="X"/>
</LinearLayout>
<LinearLayout
android:id="#+id/comments_add_comment__layout"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<EditText
android:id="#+id/comment_add__edit_text"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"/>
<Button
android:id="#+id/comment_add__button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="+Add"/>
</LinearLayout>
<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ScrollView
android:id="#+id/comments_text_views__scroll_layout"
android:layout_width="match_parent"
android:layout_height="fill_parent">
<LinearLayout
android:id="#+id/comments_text_views__layout"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="wrap_content"/>
</ScrollView>
</LinearLayout>
</LinearLayout>
PARENT XML:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/component_wizard_layout_parent__relative"
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
android:id="#+id/component_wizard_layout_parent"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#drawable/frame_component_wizard_manager"/>
<LinearLayout
android:id="#+id/component_wizard_component_popup__layout"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
</RelativeLayout>

Android Button in LinearLayout Fit Left

I want to put button like above picture. But I have below image. I can't success this. Search a lot of but can't find it.
LinearLayout in LinearLayout has transparent background and there is button left of this.
Activity.xml :
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#drawable/genel_arkaplan"
android:orientation="vertical" >
<LinearLayout
android:orientation="vertical"
android:layout_width="750dp"
android:layout_height="wrap_content"
android:paddingLeft="40dp"
android:layout_gravity="center_vertical|center_horizontal"
android:background="#drawable/lay_transparan_aramasecenek"
android:layout_marginTop="100dp">
<LinearLayout
android:orientation="vertical"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="#drawable/lay_transparan_aramasecenek_beyaz">
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:scaleType="fitCenter"
android:background="#drawable/kod_ile_arama"
android:id="#+id/imageButton" />
</LinearLayout>
</LinearLayout>

remove android:paddingLeft="40dp from LinearLayout Tag

Just remove below code from your "LinearLayout"
android:paddingLeft="40dp"
This is adding extra padding to your parent layout.
Below will be your final code.
<?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="#drawable/genel_arkaplan"
android:orientation="vertical" >
<LinearLayout
android:orientation="vertical"
android:layout_width="750dp"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical|center_horizontal"
android:background="#drawable/lay_transparan_aramasecenek"
android:layout_marginTop="100dp">
<LinearLayout
android:orientation="vertical"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="#drawable/lay_transparan_aramasecenek_beyaz">
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:scaleType="fitCenter"
android:background="#drawable/kod_ile_arama"
android:id="#+id/imageButton" />
</LinearLayout>
</LinearLayout>

Try this code for batter result for your Button Icon. I Hope it is helpful for You.
<?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/color_green"
android:orientation="vertical">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="#dimen/dimen_50"
android:layout_gravity="center"
android:layout_marginLeft="#dimen/dimen_10"
android:layout_marginRight="#dimen/dimen_10"
android:layout_marginTop="100dp"
android:background="#android:color/holo_blue_light">
<Button
android:id="#+id/imageButton"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:background="#mipmap/ic_share"
android:scaleType="fitCenter" />
</RelativeLayout>
</LinearLayout>

How do I get an imageView and textview to both fill the layout when setting bitmap programmatically?

What I want is for qrcodetext to fit and display all the text in qrcode_layout and have qrimageView to fill the rest of qrcode_layout? But my layout below has the entire qrimageView cover qrcode_layout. I tried a bunch of other variations but without success.
Here is what it looks like.
Here is what I want it to look like.
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
android:layout_height="match_parent"
android:layout_width="match_parent"
android:orientation="vertical"
android:id="#+id/qrcodelayout">
<LinearLayout
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:orientation="vertical">
<ImageView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/qrimageView"
android:layout_gravity="center_horizontal"
android:layout_marginTop="8dp" />
</LinearLayout>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="#+id/qrcodetext"
android:gravity="center"
android:layout_gravity="center_horizontal"
android:layout_marginTop="4dp" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>
</LinearLayout>
</RelativeLayout>

Use following code. Align your textview to bottom and then align your Qrcode Image above text:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="#+id/qrcodetext"
android:gravity="center"
android:layout_alignParentBottom="true"
android:layout_marginTop="4dp" />
<ImageView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/qrimageView"
android:layout_gravity="center_horizontal"
android:layout_above="#id/qrcodetext"
android:layout_alignParentTop="true"
android:layout_marginTop="8dp" />
</RelativeLayout>

I think what i have understand you want is below: Plz check and tell me:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
android:layout_height="match_parent"
android:layout_width="match_parent"
android:orientation="vertical"
android:id="#+id/qrcodelayout">
<TextView
android:layout_width="match_parent"
android:layout_height="50dp"
android:id="#+id/qrcodetext"
android:gravity="center"
android:layout_weight="1"
android:layout_gravity="center_horizontal"
android:layout_marginTop="4dp" />
<LinearLayout
android:layout_height="match_parent"
android:layout_width="match_parent"
android:orientation="vertical"
android:layout_weight="1">
<ImageView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/qrimageView"
android:layout_gravity="center_horizontal"
android:layout_marginTop="8dp" />
</LinearLayout>
</LinearLayout>
<!--<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>
</LinearLayout>-->
</RelativeLayout>