move ReactInstanceManager.Builder out of ReactInstanceManager into it's own class ReactInstanceManagerBuilder

Reviewed By: thechefchen

Differential Revision: D4451541

fbshipit-source-id: d9cbcb61b232e817a1f4ff7b067a8a4e0c17150a

ReactAndroid/src/androidTest/java/com/facebook/react/testing/ReactAppTestActivity.java

@@ -22,6 +22,7 @@ import android.widget.FrameLayout;
 
 import com.facebook.infer.annotation.Assertions;
 import com.facebook.react.ReactInstanceManager;
+import com.facebook.react.ReactInstanceManagerBuilder;
 import com.facebook.react.ReactRootView;
 import com.facebook.react.bridge.ReactContext;
 import com.facebook.react.common.LifecycleState;
@@ -149,7 +150,7 @@ public class ReactAppTestActivity extends FragmentActivity implements
     final CountDownLatch currentLayoutEvent = mLayoutEvent = new CountDownLatch(1);
     mBridgeIdleSignaler = new ReactBridgeIdleSignaler();
 
-    ReactInstanceManager.Builder builder =
+    ReactInstanceManagerBuilder builder =
       ReactTestHelper.getReactTestFactory().getReactInstanceManagerBuilder()
         .setApplication(getApplication())
         .setBundleAssetName(bundleName)

ReactAndroid/src/androidTest/java/com/facebook/react/testing/ReactTestFactory.java

@@ -10,7 +10,7 @@ package com.facebook.react.testing;
 
 import android.content.Context;
 
-import com.facebook.react.ReactInstanceManager;
+import com.facebook.react.ReactInstanceManagerBuilder;
 import com.facebook.react.bridge.CatalystInstance;
 import com.facebook.react.bridge.NativeModule;
 
@@ -23,5 +23,5 @@ public interface ReactTestFactory {
   }
 
   ReactInstanceEasyBuilder getCatalystInstanceBuilder();
-  ReactInstanceManager.Builder getReactInstanceManagerBuilder();
+  ReactInstanceManagerBuilder getReactInstanceManagerBuilder();
 }

ReactAndroid/src/androidTest/java/com/facebook/react/testing/ReactTestHelper.java

@@ -22,6 +22,7 @@ import android.view.ViewGroup;
 
 import com.facebook.react.EagerModuleProvider;
 import com.facebook.react.ReactInstanceManager;
+import com.facebook.react.ReactInstanceManagerBuilder;
 import com.facebook.react.bridge.CatalystInstance;
 import com.facebook.react.bridge.JavaScriptModuleRegistry;
 import com.facebook.react.bridge.ModuleSpec;
@@ -103,7 +104,7 @@ public class ReactTestHelper {
     }
 
     @Override
-    public ReactInstanceManager.Builder getReactInstanceManagerBuilder() {
+    public ReactInstanceManagerBuilder getReactInstanceManagerBuilder() {
       return ReactInstanceManager.builder();
     }
   }

ReactAndroid/src/main/java/com/facebook/react/ReactInstanceManager.java

@@ -11,25 +11,17 @@ package com.facebook.react;
 
 import javax.annotation.Nullable;
 
-import java.util.ArrayList;
 import java.util.List;
 
 import android.app.Activity;
-import android.app.Application;
 import android.content.Intent;
 
-import com.facebook.infer.annotation.Assertions;
-import com.facebook.react.bridge.NativeModuleCallExceptionHandler;
-import com.facebook.react.bridge.NotThreadSafeBridgeIdleDebugListener;
 import com.facebook.react.bridge.ReactApplicationContext;
 import com.facebook.react.bridge.ReactContext;
-import com.facebook.react.common.annotations.VisibleForTesting;
 import com.facebook.react.common.LifecycleState;
-import com.facebook.react.cxxbridge.JSBundleLoader;
+import com.facebook.react.common.annotations.VisibleForTesting;
 import com.facebook.react.devsupport.DevSupportManager;
-import com.facebook.react.devsupport.RedBoxHandler;
 import com.facebook.react.modules.core.DefaultHardwareBackBtnHandler;
-import com.facebook.react.uimanager.UIImplementationProvider;
 import com.facebook.react.uimanager.ViewManager;
 
 /**
@@ -200,219 +192,7 @@ public abstract class ReactInstanceManager {
   /**
    * Creates a builder that is capable of creating an instance of {@link ReactInstanceManagerImpl}.
    */
-  public static Builder builder() {
-    return new Builder();
-  }
-
-  /**
-   * Builder class for {@link ReactInstanceManagerImpl}
-   */
-  public static class Builder {
-
-    protected final List<ReactPackage> mPackages = new ArrayList<>();
-
-    protected @Nullable String mJSBundleAssetUrl;
-    protected @Nullable JSBundleLoader mJSBundleLoader;
-    protected @Nullable String mJSMainModuleName;
-    protected @Nullable NotThreadSafeBridgeIdleDebugListener mBridgeIdleDebugListener;
-    protected @Nullable Application mApplication;
-    protected boolean mUseDeveloperSupport;
-    protected @Nullable LifecycleState mInitialLifecycleState;
-    protected @Nullable UIImplementationProvider mUIImplementationProvider;
-    protected @Nullable NativeModuleCallExceptionHandler mNativeModuleCallExceptionHandler;
-    protected JSCConfig mJSCConfig = JSCConfig.EMPTY;
-    protected @Nullable Activity mCurrentActivity;
-    protected @Nullable DefaultHardwareBackBtnHandler mDefaultHardwareBackBtnHandler;
-    protected @Nullable RedBoxHandler mRedBoxHandler;
-    protected boolean mLazyNativeModulesEnabled;
-    protected boolean mLazyViewManagersEnabled;
-
-    protected Builder() {
-    }
-
-    /**
-     * Sets a provider of {@link UIImplementation}.
-     * Uses default provider if null is passed.
-     */
-    public Builder setUIImplementationProvider(
-        @Nullable UIImplementationProvider uiImplementationProvider) {
-      mUIImplementationProvider = uiImplementationProvider;
-      return this;
-    }
-
-    /**
-     * Name of the JS bundle file to be loaded from application's raw assets.
-     * Example: {@code "index.android.js"}
-     */
-    public Builder setBundleAssetName(String bundleAssetName) {
-      mJSBundleAssetUrl = (bundleAssetName == null ? null : "assets://" + bundleAssetName);
-      mJSBundleLoader = null;
-      return this;
-    }
-
-    /**
-     * Path to the JS bundle file to be loaded from the file system.
-     *
-     * Example: {@code "assets://index.android.js" or "/sdcard/main.jsbundle"}
-     */
-    public Builder setJSBundleFile(String jsBundleFile) {
-      if (jsBundleFile.startsWith("assets://")) {
-        mJSBundleAssetUrl = jsBundleFile;
-        mJSBundleLoader = null;
-        return this;
-      }
-      return setJSBundleLoader(JSBundleLoader.createFileLoader(jsBundleFile));
-    }
-
-    /**
-     * Bundle loader to use when setting up JS environment. This supersedes
-     * prior invcations of {@link setJSBundleFile} and {@link setBundleAssetName}.
-     *
-     * Example: {@code JSBundleLoader.createFileLoader(application, bundleFile)}
-     */
-    public Builder setJSBundleLoader(JSBundleLoader jsBundleLoader) {
-      mJSBundleLoader = jsBundleLoader;
-      mJSBundleAssetUrl = null;
-      return this;
-    }
-
-    /**
-     * Path to your app's main module on the packager server. This is used when
-     * reloading JS during development. All paths are relative to the root folder
-     * the packager is serving files from.
-     * Examples:
-     * {@code "index.android"} or
-     * {@code "subdirectory/index.android"}
-     */
-    public Builder setJSMainModuleName(String jsMainModuleName) {
-      mJSMainModuleName = jsMainModuleName;
-      return this;
-    }
-
-    public Builder addPackage(ReactPackage reactPackage) {
-      mPackages.add(reactPackage);
-      return this;
-    }
-
-    public Builder setBridgeIdleDebugListener(
-        NotThreadSafeBridgeIdleDebugListener bridgeIdleDebugListener) {
-      mBridgeIdleDebugListener = bridgeIdleDebugListener;
-      return this;
-    }
-
-    /**
-     * Required. This must be your {@code Application} instance.
-     */
-    public Builder setApplication(Application application) {
-      mApplication = application;
-      return this;
-    }
-
-    public Builder setCurrentActivity(Activity activity) {
-      mCurrentActivity = activity;
-      return this;
-    }
-
-    public Builder setDefaultHardwareBackBtnHandler(
-        DefaultHardwareBackBtnHandler defaultHardwareBackBtnHandler) {
-      mDefaultHardwareBackBtnHandler = defaultHardwareBackBtnHandler;
-      return this;
-    }
-
-    /**
-     * When {@code true}, developer options such as JS reloading and debugging are enabled.
-     * Note you still have to call {@link #showDevOptionsDialog} to show the dev menu,
-     * e.g. when the device Menu button is pressed.
-     */
-    public Builder setUseDeveloperSupport(boolean useDeveloperSupport) {
-      mUseDeveloperSupport = useDeveloperSupport;
-      return this;
-    }
-
-    /**
-     * Sets the initial lifecycle state of the host. For example, if the host is already resumed at
-     * creation time, we wouldn't expect an onResume call until we get an onPause call.
-     */
-    public Builder setInitialLifecycleState(LifecycleState initialLifecycleState) {
-      mInitialLifecycleState = initialLifecycleState;
-      return this;
-    }
-
-    /**
-     * Set the exception handler for all native module calls. If not set, the default
-     * {@link DevSupportManager} will be used, which shows a redbox in dev mode and rethrows
-     * (crashes the app) in prod mode.
-     */
-    public Builder setNativeModuleCallExceptionHandler(NativeModuleCallExceptionHandler handler) {
-      mNativeModuleCallExceptionHandler = handler;
-      return this;
-    }
-
-    public Builder setJSCConfig(JSCConfig jscConfig) {
-      mJSCConfig = jscConfig;
-      return this;
-    }
-
-    public Builder setRedBoxHandler(@Nullable RedBoxHandler redBoxHandler) {
-      mRedBoxHandler = redBoxHandler;
-      return this;
-    }
-
-    public Builder setLazyNativeModulesEnabled(boolean lazyNativeModulesEnabled) {
-      mLazyNativeModulesEnabled = lazyNativeModulesEnabled;
-      return this;
-    }
-
-    public Builder setLazyViewManagersEnabled(boolean lazyViewManagersEnabled) {
-      mLazyViewManagersEnabled = lazyViewManagersEnabled;
-      return this;
-    }
-
-    /**
-     * Instantiates a new {@link ReactInstanceManagerImpl}.
-     * Before calling {@code build}, the following must be called:
-     * <ul>
-     * <li> {@link #setApplication}
-     * <li> {@link #setCurrentActivity} if the activity has already resumed
-     * <li> {@link #setDefaultHardwareBackBtnHandler} if the activity has already resumed
-     * <li> {@link #setJSBundleFile} or {@link #setJSMainModuleName}
-     * </ul>
-     */
-    public ReactInstanceManager build() {
-      Assertions.assertNotNull(
-        mApplication,
-        "Application property has not been set with this builder");
-
-      Assertions.assertCondition(
-        mUseDeveloperSupport || mJSBundleAssetUrl != null || mJSBundleLoader != null,
-        "JS Bundle File or Asset URL has to be provided when dev support is disabled");
-
-      Assertions.assertCondition(
-        mJSMainModuleName != null || mJSBundleAssetUrl != null || mJSBundleLoader != null,
-        "Either MainModuleName or JS Bundle File needs to be provided");
-
-      if (mUIImplementationProvider == null) {
-        // create default UIImplementationProvider if the provided one is null.
-        mUIImplementationProvider = new UIImplementationProvider();
-      }
-
-      return new XReactInstanceManagerImpl(
-        mApplication,
-        mCurrentActivity,
-        mDefaultHardwareBackBtnHandler,
-        (mJSBundleLoader == null && mJSBundleAssetUrl != null) ?
-          JSBundleLoader.createAssetLoader(mApplication, mJSBundleAssetUrl) : mJSBundleLoader,
-        mJSMainModuleName,
-        mPackages,
-        mUseDeveloperSupport,
-        mBridgeIdleDebugListener,
-        Assertions.assertNotNull(mInitialLifecycleState, "Initial lifecycle state was not set"),
-        mUIImplementationProvider,
-        mNativeModuleCallExceptionHandler,
-        mJSCConfig,
-        mRedBoxHandler,
-        mLazyNativeModulesEnabled,
-        mLazyViewManagersEnabled);
-    }
+  public static ReactInstanceManagerBuilder builder() {
+    return new ReactInstanceManagerBuilder();
   }
 }

ReactAndroid/src/main/java/com/facebook/react/ReactInstanceManagerBuilder.java

@@ -0,0 +1,235 @@
+// Copyright 2004-present Facebook. All Rights Reserved.
+
+package com.facebook.react;
+
+import javax.annotation.Nullable;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import android.app.Activity;
+import android.app.Application;
+
+import com.facebook.infer.annotation.Assertions;
+import com.facebook.react.bridge.NativeModuleCallExceptionHandler;
+import com.facebook.react.bridge.NotThreadSafeBridgeIdleDebugListener;
+import com.facebook.react.common.LifecycleState;
+import com.facebook.react.cxxbridge.JSBundleLoader;
+import com.facebook.react.devsupport.DevSupportManager;
+import com.facebook.react.devsupport.RedBoxHandler;
+import com.facebook.react.modules.core.DefaultHardwareBackBtnHandler;
+import com.facebook.react.uimanager.UIImplementationProvider;
+
+/**
+ * Builder class for {@link ReactInstanceManager}
+ */
+public class ReactInstanceManagerBuilder {
+
+  protected final List<ReactPackage> mPackages = new ArrayList<>();
+
+  protected @Nullable String mJSBundleAssetUrl;
+  protected @Nullable JSBundleLoader mJSBundleLoader;
+  protected @Nullable String mJSMainModuleName;
+  protected @Nullable NotThreadSafeBridgeIdleDebugListener mBridgeIdleDebugListener;
+  protected @Nullable Application mApplication;
+  protected boolean mUseDeveloperSupport;
+  protected @Nullable LifecycleState mInitialLifecycleState;
+  protected @Nullable UIImplementationProvider mUIImplementationProvider;
+  protected @Nullable NativeModuleCallExceptionHandler mNativeModuleCallExceptionHandler;
+  protected JSCConfig mJSCConfig = JSCConfig.EMPTY;
+  protected @Nullable Activity mCurrentActivity;
+  protected @Nullable DefaultHardwareBackBtnHandler mDefaultHardwareBackBtnHandler;
+  protected @Nullable RedBoxHandler mRedBoxHandler;
+  protected boolean mLazyNativeModulesEnabled;
+  protected boolean mLazyViewManagersEnabled;
+
+  /* package protected */ ReactInstanceManagerBuilder() {
+  }
+
+  /**
+   * Sets a provider of {@link UIImplementation}.
+   * Uses default provider if null is passed.
+   */
+  public ReactInstanceManagerBuilder setUIImplementationProvider(
+    @Nullable UIImplementationProvider uiImplementationProvider) {
+    mUIImplementationProvider = uiImplementationProvider;
+    return this;
+  }
+
+  /**
+   * Name of the JS bundle file to be loaded from application's raw assets.
+   * Example: {@code "index.android.js"}
+   */
+  public ReactInstanceManagerBuilder setBundleAssetName(String bundleAssetName) {
+    mJSBundleAssetUrl = (bundleAssetName == null ? null : "assets://" + bundleAssetName);
+    mJSBundleLoader = null;
+    return this;
+  }
+
+  /**
+   * Path to the JS bundle file to be loaded from the file system.
+   *
+   * Example: {@code "assets://index.android.js" or "/sdcard/main.jsbundle"}
+   */
+  public ReactInstanceManagerBuilder setJSBundleFile(String jsBundleFile) {
+    if (jsBundleFile.startsWith("assets://")) {
+      mJSBundleAssetUrl = jsBundleFile;
+      mJSBundleLoader = null;
+      return this;
+    }
+    return setJSBundleLoader(JSBundleLoader.createFileLoader(jsBundleFile));
+  }
+
+  /**
+   * Bundle loader to use when setting up JS environment. This supersedes
+   * prior invcations of {@link setJSBundleFile} and {@link setBundleAssetName}.
+   *
+   * Example: {@code JSBundleLoader.createFileLoader(application, bundleFile)}
+   */
+  public ReactInstanceManagerBuilder setJSBundleLoader(JSBundleLoader jsBundleLoader) {
+    mJSBundleLoader = jsBundleLoader;
+    mJSBundleAssetUrl = null;
+    return this;
+  }
+
+  /**
+   * Path to your app's main module on the packager server. This is used when
+   * reloading JS during development. All paths are relative to the root folder
+   * the packager is serving files from.
+   * Examples:
+   * {@code "index.android"} or
+   * {@code "subdirectory/index.android"}
+   */
+  public ReactInstanceManagerBuilder setJSMainModuleName(String jsMainModuleName) {
+    mJSMainModuleName = jsMainModuleName;
+    return this;
+  }
+
+  public ReactInstanceManagerBuilder addPackage(ReactPackage reactPackage) {
+    mPackages.add(reactPackage);
+    return this;
+  }
+
+  public ReactInstanceManagerBuilder setBridgeIdleDebugListener(
+    NotThreadSafeBridgeIdleDebugListener bridgeIdleDebugListener) {
+    mBridgeIdleDebugListener = bridgeIdleDebugListener;
+    return this;
+  }
+
+  /**
+   * Required. This must be your {@code Application} instance.
+   */
+  public ReactInstanceManagerBuilder setApplication(Application application) {
+    mApplication = application;
+    return this;
+  }
+
+  public ReactInstanceManagerBuilder setCurrentActivity(Activity activity) {
+    mCurrentActivity = activity;
+    return this;
+  }
+
+  public ReactInstanceManagerBuilder setDefaultHardwareBackBtnHandler(
+    DefaultHardwareBackBtnHandler defaultHardwareBackBtnHandler) {
+    mDefaultHardwareBackBtnHandler = defaultHardwareBackBtnHandler;
+    return this;
+  }
+
+  /**
+   * When {@code true}, developer options such as JS reloading and debugging are enabled.
+   * Note you still have to call {@link #showDevOptionsDialog} to show the dev menu,
+   * e.g. when the device Menu button is pressed.
+   */
+  public ReactInstanceManagerBuilder setUseDeveloperSupport(boolean useDeveloperSupport) {
+    mUseDeveloperSupport = useDeveloperSupport;
+    return this;
+  }
+
+  /**
+   * Sets the initial lifecycle state of the host. For example, if the host is already resumed at
+   * creation time, we wouldn't expect an onResume call until we get an onPause call.
+   */
+  public ReactInstanceManagerBuilder setInitialLifecycleState(
+    LifecycleState initialLifecycleState) {
+    mInitialLifecycleState = initialLifecycleState;
+    return this;
+  }
+
+  /**
+   * Set the exception handler for all native module calls. If not set, the default
+   * {@link DevSupportManager} will be used, which shows a redbox in dev mode and rethrows
+   * (crashes the app) in prod mode.
+   */
+  public ReactInstanceManagerBuilder setNativeModuleCallExceptionHandler(
+    NativeModuleCallExceptionHandler handler) {
+    mNativeModuleCallExceptionHandler = handler;
+    return this;
+  }
+
+  public ReactInstanceManagerBuilder setJSCConfig(JSCConfig jscConfig) {
+    mJSCConfig = jscConfig;
+    return this;
+  }
+
+  public ReactInstanceManagerBuilder setRedBoxHandler(@Nullable RedBoxHandler redBoxHandler) {
+    mRedBoxHandler = redBoxHandler;
+    return this;
+  }
+
+  public ReactInstanceManagerBuilder setLazyNativeModulesEnabled(boolean lazyNativeModulesEnabled) {
+    mLazyNativeModulesEnabled = lazyNativeModulesEnabled;
+    return this;
+  }
+
+  public ReactInstanceManagerBuilder setLazyViewManagersEnabled(boolean lazyViewManagersEnabled) {
+    mLazyViewManagersEnabled = lazyViewManagersEnabled;
+    return this;
+  }
+
+  /**
+   * Instantiates a new {@link ReactInstanceManagerImpl}.
+   * Before calling {@code build}, the following must be called:
+   * <ul>
+   * <li> {@link #setApplication}
+   * <li> {@link #setCurrentActivity} if the activity has already resumed
+   * <li> {@link #setDefaultHardwareBackBtnHandler} if the activity has already resumed
+   * <li> {@link #setJSBundleFile} or {@link #setJSMainModuleName}
+   * </ul>
+   */
+  public ReactInstanceManager build() {
+    Assertions.assertNotNull(
+      mApplication,
+      "Application property has not been set with this builder");
+
+    Assertions.assertCondition(
+      mUseDeveloperSupport || mJSBundleAssetUrl != null || mJSBundleLoader != null,
+      "JS Bundle File or Asset URL has to be provided when dev support is disabled");
+
+    Assertions.assertCondition(
+      mJSMainModuleName != null || mJSBundleAssetUrl != null || mJSBundleLoader != null,
+      "Either MainModuleName or JS Bundle File needs to be provided");
+
+    if (mUIImplementationProvider == null) {
+      // create default UIImplementationProvider if the provided one is null.
+      mUIImplementationProvider = new UIImplementationProvider();
+    }
+
+    return new XReactInstanceManagerImpl(
+      mApplication,
+      mCurrentActivity,
+      mDefaultHardwareBackBtnHandler,
+      (mJSBundleLoader == null && mJSBundleAssetUrl != null) ?
+        JSBundleLoader.createAssetLoader(mApplication, mJSBundleAssetUrl) : mJSBundleLoader,
+      mJSMainModuleName,
+      mPackages,
+      mUseDeveloperSupport,
+      mBridgeIdleDebugListener,
+      Assertions.assertNotNull(mInitialLifecycleState, "Initial lifecycle state was not set"),
+      mUIImplementationProvider,
+      mNativeModuleCallExceptionHandler,
+      mJSCConfig,
+      mRedBoxHandler,
+      mLazyNativeModulesEnabled,
+      mLazyViewManagersEnabled);
+  }
+}

ReactAndroid/src/main/java/com/facebook/react/ReactNativeHost.java

@@ -63,7 +63,7 @@ public abstract class ReactNativeHost {
   }
 
   protected ReactInstanceManager createReactInstanceManager() {
-    ReactInstanceManager.Builder builder = ReactInstanceManager.builder()
+    ReactInstanceManagerBuilder builder = ReactInstanceManager.builder()
       .setApplication(mApplication)
       .setJSMainModuleName(getJSMainModuleName())
       .setUseDeveloperSupport(getUseDeveloperSupport())