How to put Imageview Behind other layout

问题

I am using a imageview for animation so that it will look like movement left to right. but my image is displaying front of other views so that user is able to click on image. i am trying to display it behind the other view.

 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout
    android:id="@+id/layout"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:background="@drawable/main_bg2"
    >

     <LinearLayout
         android:layout_width="match_parent"
         android:layout_height="wrap_content" >

     <Button
         android:id="@+id/languageChangePopup"
         style="?android:attr/buttonStyleSmall"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginBottom="10dp"
         android:layout_marginLeft="50dp"
         android:background="@drawable/startbtn" />

    <EditText
        android:id="@+id/showOutputEdit"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginLeft="110dp"
        android:layout_marginTop="50dp"
        android:background="@drawable/display_textbx"
        android:cursorVisible="false"
        android:gravity="right|center"
        android:paddingLeft="70dp"
        android:paddingRight="70dp"
        android:textColor="#ffffff"
        android:textSize="45sp"
        android:textStyle="bold" />

    </LinearLayout>

    <RelativeLayout
        android:layout_width="fill_parent"
        android:layout_height="match_parent" android:layout_weight="3.49">

        <TableLayout
            android:id="@+id/tableLayout1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginLeft="136dp"
            android:layout_marginTop="19dp" >

            <TableRow
                android:id="@+id/tableRow5"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                 >

                <Button
                    android:id="@+id/clearBtn"
                    style="?android:attr/buttonStyleSmall"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:background="@string/cbtn" />

                <Button
                    android:id="@+id/sevenBtn"
                    style="?android:attr/buttonStyleSmall"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:background="@string/sevenbtn" />

                <Button
                    android:id="@+id/eightBtn"
                    style="?android:attr/buttonStyleSmall"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:background="@string/eightbtn" />

                <Button
                    android:id="@+id/nineBtn"
                    style="?android:attr/buttonStyleSmall"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:background="@string/ninebtn" />
            </TableRow>

            <TableRow
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                 >

                <Button
                    android:id="@+id/dotBtn"
                    style="?android:attr/buttonStyleSmall"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:background="@string/dotbtn" />

                <Button
                    android:id="@+id/fourBtn"
                    style="?android:attr/buttonStyleSmall"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:background="@string/fourbtn" />

                <Button
                    android:id="@+id/fiveBtn"
                    style="?android:attr/buttonStyleSmall"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:background="@string/fivebtn" />

                <Button
                    android:id="@+id/sixBtn"
                    style="?android:attr/buttonStyleSmall"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:background="@string/sixbtn" />
            </TableRow>

            <TableRow
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                 >

                <Button
                    android:id="@+id/zeroBtn"
                    style="?android:attr/buttonStyleSmall"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:background="@string/zerobtn" />

                <Button
                    android:id="@+id/oneBtn"
                    style="?android:attr/buttonStyleSmall"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:background="@string/onebtn" />

                <Button
                    android:id="@+id/twoBtn"
                    style="?android:attr/buttonStyleSmall"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:background="@string/twobtn" />

                <Button
                    android:id="@+id/threeBtn"
                    style="?android:attr/buttonStyleSmall"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:background="@string/threebtn" />
            </TableRow>

              </TableLayout>



        <LinearLayout
            android:id="@+id/layout"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentTop="true"
            android:layout_marginTop="16dp"
            android:layout_toRightOf="@+id/tableLayout1"
            android:background="@drawable/operation_planet"
            android:orientation="vertical" >

            <Button
                android:id="@+id/plusBtn"
                style="?android:attr/buttonStyleSmall"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:layout_marginRight="10dp"
                android:layout_marginTop="20dp"
                android:background="@drawable/addbtn" />

            <Button
                android:id="@+id/minusBtn"
                style="?android:attr/buttonStyleSmall"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="right"
                android:layout_marginRight="80dp"
                android:layout_marginTop="30dp"
                android:background="@drawable/minusbtn" />

                <Button
                    android:id="@+id/multiplyBtn"
                    style="?android:attr/buttonStyleSmall"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_marginLeft="15dp"
                    android:layout_marginTop="20dp"
                    android:background="@drawable/multiplybtn" />

                <Button
                    android:id="@+id/divideBtn"
                    style="?android:attr/buttonStyleSmall"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_gravity="center"
                    android:layout_marginTop="30dp"
                    android:background="@drawable/dividebtn" />

        </LinearLayout>

                <Button
                    android:id="@+id/equalToBtn"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_alignParentBottom="true"
                    android:layout_marginBottom="21dp"
                    android:layout_toRightOf="@+id/tableLayout1"
                    android:background="@drawable/equaltobtn"
                    android:gravity="right" />

                <ImageView
                    android:id="@+id/rocketImage"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_alignParentLeft="true"
                    android:layout_alignTop="@+id/layout"
                    android:background="@drawable/spaceship" />

    </RelativeLayout>

</LinearLayout>

回答1:

Put the image view above (on top - first child of the parent)
the layout in the xml file that way the image will be behind the layout

回答2:

Use a FrameLayout. All items you put in there are stacked on top of each other.

来源：https://stackoverflow.com/questions/22628622/how-to-put-imageview-behind-other-layout