Initialized card position when app entering foreground

yuyakaido · yuyakaido · commit e6d76b7c3bdf · 2017-10-08T03:57:16.000+09:00
diff --git a/cardstackview/src/main/java/com/yuyakaido/android/cardstackview/CardStackView.java b/cardstackview/src/main/java/com/yuyakaido/android/cardstackview/CardStackView.java
@@ -105,6 +105,14 @@ public CardStackView(Context context, AttributeSet attrs, int defStyle) {
         array.recycle();
     }
 
+    @Override
+    protected void onWindowVisibilityChanged(int visibility) {
+        super.onWindowVisibilityChanged(visibility);
+        if (state.isInitialized && visibility == View.VISIBLE) {
+            initializeCardStackPosition();
+        }
+    }
+
     private void initialize(boolean shouldReset) {
         resetIfNeeded(shouldReset);
         initializeViews();
@@ -116,6 +124,7 @@ private void resetIfNeeded(boolean shouldReset) {
         if (shouldReset) {
             state.topIndex = 0;
             state.lastPoint = null;
+            state.isInitialized = false;
         }
     }
 
@@ -134,6 +143,8 @@ private void initializeViews() {
         }
 
         containers.getFirst().setContainerEventListener(containerEventListener);
+
+        state.isInitialized = true;
     }
 
     private void initializeCardStackPosition() {
diff --git a/cardstackview/src/main/java/com/yuyakaido/android/cardstackview/internal/CardStackState.java b/cardstackview/src/main/java/com/yuyakaido/android/cardstackview/internal/CardStackState.java
@@ -7,4 +7,5 @@ public class CardStackState {
     public Point lastPoint = null;
     public Integer lastCount = null;
     public boolean isPaginationReserved = false;
+    public boolean isInitialized = false;
 }

Original file line number	Diff line number	Diff line change
`@@ -105,6 +105,14 @@ public CardStackView(Context context, AttributeSet attrs, int defStyle) {`
`105`	`105`	`array.recycle();`
`106`	`106`	`}`
`107`	`107`
	`108`	`+ @Override`
	`109`	`+ protected void onWindowVisibilityChanged(int visibility) {`
	`110`	`+ super.onWindowVisibilityChanged(visibility);`
	`111`	`+ if (state.isInitialized && visibility == View.VISIBLE) {`
	`112`	`+ initializeCardStackPosition();`
	`113`	`+ }`
	`114`	`+ }`
	`115`	`+`
`108`	`116`	`private void initialize(boolean shouldReset) {`
`109`	`117`	`resetIfNeeded(shouldReset);`
`110`	`118`	`initializeViews();`
`@@ -116,6 +124,7 @@ private void resetIfNeeded(boolean shouldReset) {`
`116`	`124`	`if (shouldReset) {`
`117`	`125`	`state.topIndex = 0;`
`118`	`126`	`state.lastPoint = null;`
	`127`	`+ state.isInitialized = false;`
`119`	`128`	`}`
`120`	`129`	`}`
`121`	`130`
`@@ -134,6 +143,8 @@ private void initializeViews() {`
`134`	`143`	`}`
`135`	`144`
`136`	`145`	`containers.getFirst().setContainerEventListener(containerEventListener);`
	`146`	`+`
	`147`	`+ state.isInitialized = true;`
`137`	`148`	`}`
`138`	`149`
`139`	`150`	`private void initializeCardStackPosition() {`
Original file line number	Diff line number	Diff line change
`@@ -7,4 +7,5 @@ public class CardStackState {`
`7`	`7`	`public Point lastPoint = null;`
`8`	`8`	`public Integer lastCount = null;`
`9`	`9`	`public boolean isPaginationReserved = false;`
	`10`	`+ public boolean isInitialized = false;`
`10`	`11`	`}`