landscape and portait layout in android

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Mobile

Android

i have created a landscape and portrait layout for an activity by creating creating a two layout folder one for portrait and other for landscape. the code works fine in landscape by when i tilt the screen to portrait i get "Unfortunately closed" error.

i haved used the same xml code for landscape and potrait. here is the sample code

for portrait

<?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:backgroundTint="#FFFFFF"
    android:removed="#FFFFFF">

    <LinearLayout
        android:orientation="vertical"
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:id="@+id/ab"
        android:weightSum="1"
        android:removed="#0054FE">

        <TextView
            android:layout_width="300dp"
            android:layout_height="match_parent"
            android:text="Welcome Gopinath Chandran Karuppusamy"
            android:id="@+id/textView15"
            android:layout_weight="0.49"
            android:textColor="#FFFFFF"
            android:gravity="center_vertical"
            android:textSize="16dp"
            android:textIsSelectable="true"
            android:textStyle="bold" />

        <TextView
            android:layout_width="155dp"
            android:layout_height="match_parent"
            android:textAppearance="?android:attr/textAppearanceMedium"
            android:text="Termina#:1"
            android:id="@+id/textView16"
            android:layout_gravity="top|right"
            android:layout_marginLeft="200dp"
            android:textStyle="bold"
            android:gravity="center_vertical"
            android:textColor="#FFFFFF" />
    </LinearLayout>

    <LinearLayout
        android:orientation="vertical"
        android:layout_width="250dp"
        android:layout_height="wrap_content"
        android:layout_below="@+id/ab"
        android:id="@+id/linearLayout"
        android:weightSum="1"
        android:layout_alignParentRight="true"
        android:layout_alignParentEnd="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"
        android:layout_marginLeft="50dp"
        android:layout_marginRight="50dp"
        android:layout_alignBottom="@+id/textView9">
        <TextView
            android:layout_width="match_parent"
            android:layout_height="30dp"
            android:id="@+id/textView2"
            android:layout_marginTop="50dp"
            android:text="SECONDARY LABEL SCAN"
            android:textColor="#000000"
            android:textStyle="bold"
            android:textSize="20dp" />
        <TextView
            android:layout_width="match_parent"
            android:layout_height="70dp"
            android:id="@+id/editText3"
            android:hint="Scan Secondary Serial Labels"
            android:gravity="center|start|center_horizontal"
            android:removed="#458b00"
            android:layout_marginBottom="50dp" />

for landscape

<?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:backgroundTint="#FFFFFF"
    android:removed="#FFFFFF">

    <LinearLayout
        android:orientation="horizontal"
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:id="@+id/ab"
        android:weightSum="1"
        android:removed="#0054FE">

        <TextView
            android:layout_width="300dp"
            android:layout_height="match_parent"
            android:text="Welcome Gopinath Chandran Karuppusamy"
            android:id="@+id/textView15"
            android:layout_weight="0.49"
            android:textColor="#FFFFFF"
            android:gravity="center_vertical"
            android:textSize="16dp"
            android:textIsSelectable="true"
            android:textStyle="bold" />

        <TextView
            android:layout_width="155dp"
            android:layout_height="match_parent"
            android:textAppearance="?android:attr/textAppearanceMedium"
            android:text="Termina#:1"
            android:id="@+id/textView16"
            android:layout_gravity="top|right"
            android:layout_marginLeft="200dp"
            android:textStyle="bold"
            android:gravity="center_vertical"
            android:textColor="#FFFFFF" />
    </LinearLayout>