Update Scene

app/src/main/java/com/hippo/scene/Scene.java

@@ -37,10 +37,19 @@ import com.hippo.util.AssertUtils;
  */
 public abstract class Scene {
 
+    static final int SCENE_STATE_CREATE = 0;
+    static final int SCENE_STATE_RUN = 1;
+    static final int SCENE_STATE_DESTROY = 2;
+    static final int SCENE_STATE_OPEN = 3;
+    static final int SCENE_STATE_CLOSE = 4;
+    static final int SCENE_STATE_PAUSE = 5;
+
     private @Nullable FrameLayout mSceneView;
 
     private int mBackgroundColor = 0xffeeeeee; // TODO Need a better to set background color
 
+    private int mState = SCENE_STATE_CREATE;
+
     private static SceneManager sSceneManager;
 
     static void setSceneManager(SceneManager sceneManager) {
@@ -76,6 +85,14 @@ public abstract class Scene {
         sSceneManager.startScene(sceneClass, announcer, curtain);
     }
 
+    int getState() {
+        return mState;
+    }
+
+    void setState(int state) {
+        mState = state;
+    }
+
     public final void finish() {
         sSceneManager.finishScene(this);
     }
@@ -131,8 +148,6 @@ public abstract class Scene {
         return mBackgroundColor;
     }
 
-
-
     protected void setContentView(int resId) {
         AssertUtils.assertNull("Only call setContentView once", mSceneView);
 
@@ -240,6 +255,7 @@ public abstract class Scene {
     }
 
     public void onBackPressed() {
+        // TODO First click to show finish animation, click again to finish the animation at once and it is finished
         finish();
     }