@@ -6,6 +6,7 @@
 import android.support.annotation.Nullable;
 import android.util.AttributeSet;
 import android.util.Log;
+import android.view.KeyEvent;
 import android.view.MotionEvent;
 import android.widget.RelativeLayout;
 
@@ -45,4 +46,33 @@ public boolean onTouchEvent(MotionEvent ev) {
         super.onTouchEvent(ev);
         return false;
     }
+
+    @Override
+    public boolean onKeyDown(int keyCode, KeyEvent event) {
+        super.onKeyDown(keyCode, event);
+
+        return false;
+    }
+
+    @Override
+    public boolean onKeyUp(int keyCode, KeyEvent event) {
+        super.onKeyUp(keyCode, event);
+
+        return false;
+    }
+
+
+
+    private static class Node<E> {
+        E item;
+        Node<E> next;
+        Node<E> prev;
+
+        Node(Node<E> prev, E element, Node<E> next) {
+            this.item = element;
+            this.next = next;
+            this.prev = prev;
+        }
+    }
+
 }
@@ -1,5 +1,7 @@
 package apijson.demo.ui;
 
+import android.content.res.Configuration;
+import android.view.KeyEvent;
 import android.view.MotionEvent;
 
 public class TouchUtil {
@@ -22,4 +24,16 @@ public static String getActionName(int action) {
                 return "CANCEL";
         }
     }
+
+    public static String getOrientationName(int orientation) {
+        return orientation == Configuration.ORIENTATION_LANDSCAPE ? "HORIZONTAL" : "VERTICAL";
+    }
+
+    public static String getKeyCodeName(int keyCode) {
+        return KeyEvent.keyCodeToString(keyCode);
+    }
+
+    public static String getScanCodeName(int scanCode) {
+        return "" + scanCode;  //它是 hardware key id  KeyEvent.keyCodeToString(scanCode);
+    }
 }