状态恢复

weikaiyun · Jun 16, 2021 · 80c59cd · 80c59cd
1 parent d056be7
commit 80c59cd
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Showing 3 changed files with 24 additions and 1 deletion.
diff --git a/.idea/runConfigurations.xml b/.idea/runConfigurations.xml
diff --git a/fragmentation/src/main/java/com/weikaiyun/fragmentation/SupportFragment.java b/fragmentation/src/main/java/com/weikaiyun/fragmentation/SupportFragment.java
@@ -86,6 +86,12 @@ public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceStat
         mDelegate.onViewCreated(savedInstanceState);
     }
 
+    @Override
+    public void onSaveInstanceState(@NonNull Bundle outState) {
+        super.onSaveInstanceState(outState);
+        mDelegate.onSaveInstanceState(outState);
+    }
+
     @Override
     public void onResume() {
         super.onResume();

diff --git a/fragmentation/src/main/java/com/weikaiyun/fragmentation/SupportFragmentDelegate.java b/fragmentation/src/main/java/com/weikaiyun/fragmentation/SupportFragmentDelegate.java
@@ -7,6 +7,7 @@
 import android.os.Bundle;
 import android.view.View;
 
+import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentActivity;
@@ -16,6 +17,10 @@
 import com.weikaiyun.fragmentation.record.TransactionRecord;
 
 public class SupportFragmentDelegate {
+    static final String S_FRAGMENTATION_FRAGMENT_VISIBLE_PROP = "s_fragmentation_fragment_visible_prop";
+    static final String S_FRAGMENTATION_FRAGMENT_POP_PROP = "s_fragmentation_fragment_pop_prop";
+    static final String S_FRAGMENTATION_FRAGMENT_START_PROP = "s_fragmentation_fragment_start_prop";
+
     int mContainerId;
 
     private TransactionDelegate mTransactionDelegate;
@@ -27,7 +32,7 @@ public class SupportFragmentDelegate {
     protected FragmentActivity _mActivity;
     private ISupportActivity mSupport;
 
-    private boolean isVisible;
+    private boolean isVisible = false;
 
     boolean hasEnterAnimation = false;
 
@@ -97,6 +102,11 @@ public void onAttach(Context context) {
     }
 
     public void onCreate(@Nullable Bundle savedInstanceState) {
+        if(savedInstanceState != null) {
+            startByFragmentation = savedInstanceState.getBoolean(S_FRAGMENTATION_FRAGMENT_START_PROP, false);
+            isVisible = savedInstanceState.getBoolean(S_FRAGMENTATION_FRAGMENT_VISIBLE_PROP, false);
+            canPop = savedInstanceState.getBoolean(S_FRAGMENTATION_FRAGMENT_POP_PROP, true);
+        }
         Bundle bundle = mFragment.getArguments();
         if (bundle != null) {
             mContainerId = bundle.getInt(TransactionDelegate.FRAGMENTATION_ARG_CONTAINER);
@@ -110,6 +120,12 @@ public void onViewCreated(@Nullable Bundle savedInstanceState) {
         }
     }
 
+    public void onSaveInstanceState(@NonNull Bundle outState) {
+        outState.putBoolean(S_FRAGMENTATION_FRAGMENT_START_PROP, startByFragmentation);
+        outState.putBoolean(S_FRAGMENTATION_FRAGMENT_POP_PROP, canPop);
+        outState.putBoolean(S_FRAGMENTATION_FRAGMENT_VISIBLE_PROP, isVisible);
+    }
+
     public void setBackground(View view) {
         if (view.getBackground() != null) {
             return;