Add new, hidden MotionEvent flag for partially obscured windows.
diff --git a/core/java/android/view/MotionEvent.java b/core/java/android/view/MotionEvent.java
index 527d7e5..e0c9d59 100644
@@ -417,6 +417,21 @@
public static final int FLAG_WINDOW_IS_OBSCURED = 0x1;
+ * This flag indicates that the window that received this motion event is partly
+ * or wholly obscured by another visible window above it. This flag is set to true
+ * even if the event did not directly pass through the obscured area.
+ * A security sensitive application can check this flag to identify situations in which
+ * a malicious application may have covered up part of its content for the purpose
+ * of misleading the user or hijacking touches. An appropriate response might be
+ * to drop the suspect touches or to take additional precautions to confirm the user's
+ * actual intent.
+ * Unlike FLAG_WINDOW_IS_OBSCURED, this is actually true.
+ * @hide
+ public static final int FLAG_WINDOW_IS_PARTIALLY_OBSCURED = 0x2;
* Private flag that indicates when the system has detected that this motion event
* may be inconsistent with respect to the sequence of previously delivered motion events,
* such as when a pointer move event is sent but the pointer is not down.