How to avoid two linearLayout overlapping each other in Android? -


i tried set 4 buttons @ bottom of screen , make imageview fill rest place. however, tried "0dp" + "weight=1" method , several other ways suggested online (can't remember ways have tried now), imageview still fills whole screen buttons on it.

<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="match_parent" android:paddingleft="@dimen/activity_horizontal_margin" android:paddingright="@dimen/activity_horizontal_margin" android:paddingtop="@dimen/activity_vertical_margin" android:paddingbottom="@dimen/activity_vertical_margin" tools:context=".mainactivity">  <linearlayout     android:orientation="vertical"     android:layout_width="fill_parent"     android:layout_height="match_parent"     android:background="@android:color/white">      <imageview         android:id="@+id/viewimage"         android:layout_width="match_parent"         android:layout_height="match_parent"         />      <textview android:layout_width="fill_parent"         android:layout_height="wrap_content"         android:id="@+id/runtime"         android:text="rendering......"         android:singleline="true"         android:textcolor="#666666"         android:textsize="14dip"         android:visibility="gone"/>  </linearlayout>  <linearlayout     android:id="@+id/btnslayout"     android:layout_width="fill_parent"     android:layout_height="wrap_content"     android:layout_alignparentbottom="true"     android:background="@android:color/black">      <button         android:id="@+id/btnselectphoto"         android:layout_width="wrap_content"         android:layout_height="wrap_content"         android:layout_weight="0.25"         android:text="select photo"/>      <button         android:id="@+id/btnsavephoto"         android:layout_width="wrap_content"         android:layout_height="wrap_content"         android:layout_weight="0.25"         android:text="save photo"/>      <button         android:id="@+id/btnlocalfilter"         android:layout_width="wrap_content"         android:layout_height="wrap_content"         android:layout_weight="0.25"         android:text="local filter"/>      <button         android:id="@+id/btncloudfilter"         android:layout_width="wrap_content"         android:layout_height="wrap_content"         android:layout_weight="0.25"         android:text="cloud filter"/>  </linearlayout>  </relativelayout>

set android:layout_above="@+id/btnslayout" in first linearlayout:

<linearlayout     android:orientation="vertical"     android:layout_width="fill_parent"     android:layout_height="match_parent"     android:background="@android:color/white"     android:layout_above="@+id/btnslayout">      ...  </linearlayout>

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