SlidingDrawer

Unlike most other Android containers, SlidingDrawer moves, switching from a closed to an open position. This puts some restrictions on which container holds the SlidingDrawer. It needs to be in a container that allows multiple widgets to sit atop each other. RelativeLayout and FrameLayout satisfy this requirement; FrameLayout is a container purely for stacking widgets atop one another. On the flip side, LinearLayout does not allow widgets to stack (they fall one after another in a row or column), and so we should not have a SlidingDrawer as an immediate child of a LinearLayout.

<?xml version="1.0" encoding="utf-8"?>

<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"

              android:layout_width="fill_parent"

              android:layout_height="fill_parent"

              android:background="#FF4444CC"

              >

       <SlidingDrawer

              android:id="@+id/drawer"

              android:layout_width="fill_parent"

              android:layout_height="fill_parent"

              android:handle="@+id/handle"

              android:content="@+id/content">

              <ImageView

                    android:id="@id/handle"

                    android:layout_width="wrap_content"

                    android:layout_height="wrap_content"

                    android:src="@drawable/tray_handle_normal"

              />

              <Button

                    android:id="@id/content"

                    android:layout_width="fill_parent"

                    android:layout_height="fill_parent"

                    android:text="I'm a SlidingDrawer!"

              />

       </SlidingDrawer>

</FrameLayout>

The SlidingDrawer should contain two things:

• A handle, frequently an ImageView or something along those lines, such as the one used here, pulled from the Android open source project.
• The contents of the drawer itself, usually some sort of container, but a Button in this case.