Deprecate unsupported widgets.

Change-Id: I154236f07745b25200e77a473b810f45de07d0ef

core/java/android/widget/DigitalClock.java

@@ -34,13 +34,17 @@ import java.util.Calendar;
  *
  * FIXME: implement separate views for hours/minutes/seconds, so
  * proportional fonts don't shake rendering
+ * 
+ * @deprecated It is recommended you use a {@link TextView} and {@link DateFormat}
+ * to implement the same behavior.
  */
-
+@Deprecated
 public class DigitalClock extends TextView {
 
     Calendar mCalendar;
     private final static String m12 = "h:mm:ss aa";
     private final static String m24 = "k:mm:ss";
+    @SuppressWarnings("FieldCanBeLocal") // We must keep a reference to this observer
     private FormatChangeObserver mFormatChangeObserver;
 
     private Runnable mTicker;
@@ -52,17 +56,15 @@ public class DigitalClock extends TextView {
 
     public DigitalClock(Context context) {
         super(context);
-        initClock(context);
+        initClock();
     }
 
     public DigitalClock(Context context, AttributeSet attrs) {
         super(context, attrs);
-        initClock(context);
+        initClock();
     }
 
-    private void initClock(Context context) {
-        Resources r = mContext.getResources();
-
+    private void initClock() {
         if (mCalendar == null) {
             mCalendar = Calendar.getInstance();
         }

core/java/android/widget/SlidingDrawer.java

@@ -78,7 +78,12 @@ import android.view.accessibility.AccessibilityNodeInfo;
  * @attr ref android.R.styleable#SlidingDrawer_orientation
  * @attr ref android.R.styleable#SlidingDrawer_allowSingleTap
  * @attr ref android.R.styleable#SlidingDrawer_animateOnClick
+ * 
+ * @deprecated This class is not supported anymore. It is recommended you
+ * base your own implementation on the source code for the Android Open
+ * Source Project if you must use it in your application.
  */
+@Deprecated
 public class SlidingDrawer extends ViewGroup {
     public static final int ORIENTATION_HORIZONTAL = 0;
     public static final int ORIENTATION_VERTICAL = 1;

core/java/android/widget/TwoLineListItem.java

@@ -37,7 +37,11 @@ import android.widget.RelativeLayout;
  * layout for this object.
  * 
  * @attr ref android.R.styleable#TwoLineListItem_mode
+ * 
+ * @deprecated This class can be implemented easily by apps using a {@link RelativeLayout}
+ * or a {@link LinearLayout}.
  */
+@Deprecated
 @Widget
 public class TwoLineListItem extends RelativeLayout {