android - EditText going down screen -


android studio screenshoti have edittext set width 0dp made weight 1 still spans across screen , height wrap_content reason, comes line going right down screen no width. please me right? 

<?xml version="1.0" encoding="utf-8"?> <relativelayout xmlns:android="http://schemas.android.com/apk/res/android"     xmlns:tools="http://schemas.android.com/tools"     android:id="@+id/activity_main"     android:layout_width="match_parent"     android:layout_height="match_parent"     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="com.example.user.zidcalculator.mainactivity">      <linearlayout         android:layout_width="match_parent"         android:layout_height="match_parent"         android:orientation="vertical"         android:layout_alignparenttop="true"         android:layout_alignparentstart="true">          <textview             android:layout_width="wrap_content"             android:layout_height="wrap_content"             android:text="enter 2 numbers below , perform operation see output" />          <linearlayout             android:layout_width="match_parent"             android:layout_height="wrap_content"             android:orientation="horizontal"/>              <textview                 android:layout_width="wrap_content"                 android:layout_height="wrap_content"                 android:text="enter first  number"/>              <edittext                 android:layout_width="0dp"                 android:layout_height="wrap_content"                 android:layout_weight="1"/>          </linearlayout>  </relativelayout> 

<?xml version="1.0" encoding="utf-8"?> <relativelayout xmlns:android="http://schemas.android.com/apk/res/android"     xmlns:tools="http://schemas.android.com/tools"     android:id="@+id/activity_main"     android:layout_width="match_parent"     android:layout_height="match_parent"     android:paddingbottom="@dimen/activity_vertical_margin"     android:paddingleft="@dimen/activity_horizontal_margin"     android:paddingright="@dimen/activity_horizontal_margin"     android:paddingtop="@dimen/activity_vertical_margin"     >      <linearlayout         android:layout_width="match_parent"         android:layout_height="wrap_content"         android:orientation="vertical"         android:layout_alignparenttop="true"         android:layout_alignparentstart="true"          android:layout_alignparentleft="true">          <textview             android:layout_width="wrap_content"             android:layout_height="wrap_content"             android:text="enter 2 numbers below , perform operation see output" />          <linearlayout             android:layout_width="match_parent"             android:layout_height="wrap_content"             android:orientation="horizontal">          <textview             android:layout_width="wrap_content"             android:layout_height="wrap_content"             android:text="enter first  number"/>          <edittext             android:layout_width="0dp"              android:layout_height="wrap_content"             android:layout_weight="1"/>         </linearlayout>     </linearlayout>  </relativelayout>

your problem in

<linearlayout             android:layout_width="match_parent"             android:layout_height="wrap_content"             android:orientation="horizontal"/>

it should 

<linearlayout             android:layout_width="match_parent"             android:layout_height="wrap_content"             android:orientation="horizontal">   </linearlayout>

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