处理reactInstanceManager回收机制

android/app/src/main/java/com/zhaochong/android/TestActivity.java

@@ -0,0 +1,44 @@
+package com.zhaochong.android;
+
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+
+import com.kaopiz.kprogresshud.KProgressHUD;
+import com.rnbridge.RNBridgeManager;
+import com.rnbridge.callback.RNPushlishMsgListener;
+import com.rnbridge.rnactivity.BaseReactActivity;
+
+public class TestActivity extends BaseReactActivity implements RNPushlishMsgListener {
+    Bundle bundle = new Bundle();
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        // setContentView(R.layout.activity_test);
+        RNBridgeManager
+                .getInstance()
+                .setLaunchOptions(bundle)
+                .setComponentName("RnBase")
+                .setBundleAssetName("index.VPCenter.bundle")
+                .setCustomProgressParams("加载中。。。。", "测试中", KProgressHUD.Style.SPIN_INDETERMINATE)
+                .setNativeContants("RNContants", "我是Android常量，hello  RN")
+                //  .setRnPushlishMsgListener()
+                .startRNActivity(this);
+        finish();
+    }
+
+    @Override
+    public String rnCallNativeFromPromise(String msg) {
+        return null;
+    }
+
+    @Override
+    public String rnCallNativeFromCallback(String msg) {
+        return null;
+    }
+
+    @Override
+    public void rnCallNative(String s, String action) {
+
+    }
+}

android/app/src/main/res/layout/activity_test.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".TestActivity">
+
+</android.support.constraint.ConstraintLayout>

android/rnbridge/src/main/java/com/rnbridge/preloadreact/PreLoadReactDelegate.java

@@ -104,13 +104,13 @@ public void onPause() {
     public void onDestroy() {
 
         if (mReactRootView != null) {
-          //  mReactRootView.unmountReactApplication();
+            mReactRootView.unmountReactApplication();
             mReactRootView = null;
         }
         if (getReactNativeHost().hasInstance()) {
             getReactInstanceManager().onHostDestroy(mActivity);
         }
-
+        getReactNativeHost().clear();
         // 清除View
         ReactNativePreLoader.deatchView(bundleAssetName);
     }

android/rnbridge/src/main/java/com/rnbridge/rnactivity/BaseReactActivity.java

@@ -14,6 +14,7 @@
  */
 public class BaseReactActivity extends PreLoadReactActivity {
 
+
     @Nullable
     @Override
     protected String getMainComponentName() {