com.facebook.react.bridge.ReactApplicationContext#initializeWithInstance ( )源码实例Demo

@Before
public void setup() {
  mContext = new ReactApplicationContext(RuntimeEnvironment.application);
  mCatalystInstanceMock = ReactTestHelper.createMockCatalystInstance();
  mContext.initializeWithInstance(mCatalystInstanceMock);
  mThemedContext = new ThemedReactContext(mContext, mContext);
  mManager = new ReactTextInputManager();
  DisplayMetricsHolder.setWindowDisplayMetrics(new DisplayMetrics());
}
 

@Before
public void setup() {
  ReactApplicationContext mContext = new ReactApplicationContext(RuntimeEnvironment.application);
  CatalystInstance mCatalystInstanceMock = ReactTestHelper.createMockCatalystInstance();
  mContext.initializeWithInstance(mCatalystInstanceMock);
  mThemedContext = new ThemedReactContext(mContext, mContext);
  mManager = new ReactSliderManager();
}
 

@Before
public void setup() {
  SoLoader.setInTestMode();
  mContext = new ReactApplicationContext(RuntimeEnvironment.application);
  mCatalystInstanceMock = ReactTestHelper.createMockCatalystInstance();
  mContext.initializeWithInstance(mCatalystInstanceMock);
  mThemeContext = new ThemedReactContext(mContext, mContext);
  Fresco.initialize(mContext);
  DisplayMetricsHolder.setWindowDisplayMetrics(new DisplayMetrics());
}
 

@Before
public void setUp() throws Exception {
  mNextReactTag = 2;
  ReactApplicationContext reactContext = new ReactApplicationContext(RuntimeEnvironment.application);
  reactContext.initializeWithInstance(ReactTestHelper.createMockCatalystInstance());
  mThemedReactContext = new ThemedReactContext(reactContext, reactContext);

  List<ViewManager> viewManagers =
      Arrays.<ViewManager>asList(
          new ReactViewManager(), new ReactTextViewManager(), new ReactRawTextManager());
  ViewManagerRegistry viewManagerRegistry = new ViewManagerRegistry(viewManagers);
  JavaScriptContextHolder jsContext = mock(JavaScriptContextHolder.class);
  EventDispatcher eventDispatcher = mock(EventDispatcher.class);
  mFabricUIManager = new FabricUIManager(reactContext, viewManagerRegistry, jsContext, eventDispatcher);
}
 

@Before
public void setUp() {
  CatalystInstance catalystInstance = ReactTestHelper.createMockCatalystInstance();
  ReactApplicationContext reactContext =
      new ReactApplicationContext(RuntimeEnvironment.application);
  reactContext.initializeWithInstance(catalystInstance);
  List<ViewManager> viewManagers = new ArrayList<>();
  ViewManagerRegistry viewManagerRegistry = new ViewManagerRegistry(viewManagers);
  JavaScriptContextHolder jsContext = mock(JavaScriptContextHolder.class);
  EventDispatcher eventDispatcher = mock(EventDispatcher.class);
  mFabricUIManager = new FabricUIManager(reactContext, viewManagerRegistry, jsContext, eventDispatcher);
  mMockUIViewOperationQueue = new MockUIViewOperationQueue(reactContext);
  mFabricReconciler = new FabricReconciler(mMockUIViewOperationQueue);
}
 

@Before
public void setup() {
  mContext = new ReactApplicationContext(RuntimeEnvironment.application);
  mCatalystInstanceMock = ReactTestHelper.createMockCatalystInstance();
  mContext.initializeWithInstance(mCatalystInstanceMock);
  mThemedContext = new ThemedReactContext(mContext, mContext);
  mManager = new ConcreteViewManager();
}
 

/**
 * @return instance of {@link ReactContext} configured a {@link CatalystInstance} set
 */
private ReactApplicationContext createReactContext(
    JavaScriptExecutor jsExecutor,
    JSBundleLoader jsBundleLoader) {
  Log.d(ReactConstants.TAG, "ReactInstanceManager.createReactContext()");
  ReactMarker.logMarker(CREATE_REACT_CONTEXT_START, jsExecutor.getName());
  final ReactApplicationContext reactContext = new ReactApplicationContext(mApplicationContext);

  NativeModuleCallExceptionHandler exceptionHandler = mNativeModuleCallExceptionHandler != null
      ? mNativeModuleCallExceptionHandler
      : mDevSupportManager;
  reactContext.setNativeModuleCallExceptionHandler(exceptionHandler);

  NativeModuleRegistry nativeModuleRegistry = processPackages(reactContext, mPackages, false);

  CatalystInstanceImpl.Builder catalystInstanceBuilder = new CatalystInstanceImpl.Builder()
    .setReactQueueConfigurationSpec(ReactQueueConfigurationSpec.createDefault())
    .setJSExecutor(jsExecutor)
    .setRegistry(nativeModuleRegistry)
    .setJSBundleLoader(jsBundleLoader)
    .setNativeModuleCallExceptionHandler(exceptionHandler);

  ReactMarker.logMarker(CREATE_CATALYST_INSTANCE_START);
  // CREATE_CATALYST_INSTANCE_END is in JSCExecutor.cpp
  Systrace.beginSection(TRACE_TAG_REACT_JAVA_BRIDGE, "createCatalystInstance");
  final CatalystInstance catalystInstance;
  try {
    catalystInstance = catalystInstanceBuilder.build();
  } finally {
    Systrace.endSection(TRACE_TAG_REACT_JAVA_BRIDGE);
    ReactMarker.logMarker(CREATE_CATALYST_INSTANCE_END);
  }
  if (mJSIModulePackage != null) {
    catalystInstance.addJSIModules(mJSIModulePackage
      .getJSIModules(reactContext, catalystInstance.getJavaScriptContextHolder()));
  }

  if (mBridgeIdleDebugListener != null) {
    catalystInstance.addBridgeIdleDebugListener(mBridgeIdleDebugListener);
  }
  if (Systrace.isTracing(TRACE_TAG_REACT_APPS | TRACE_TAG_REACT_JS_VM_CALLS)) {
    catalystInstance.setGlobalVariable("__RCTProfileIsProfiling", "true");
  }
  ReactMarker.logMarker(ReactMarkerConstants.PRE_RUN_JS_BUNDLE_START);
  catalystInstance.runJSBundle();
  reactContext.initializeWithInstance(catalystInstance);

  return reactContext;
}