/
ReactInstanceManagerBuilder.java
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/
ReactInstanceManagerBuilder.java
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/*
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
package com.facebook.react;
import static com.facebook.react.ReactInstanceManager.initializeSoLoaderIfNecessary;
import static com.facebook.react.modules.systeminfo.AndroidInfoHelpers.getFriendlyDeviceName;
import android.app.Activity;
import android.app.Application;
import android.content.Context;
import androidx.annotation.Nullable;
import com.facebook.hermes.reactexecutor.HermesExecutorFactory;
import com.facebook.infer.annotation.Assertions;
import com.facebook.react.bridge.JSBundleLoader;
import com.facebook.react.bridge.JSIModulePackage;
import com.facebook.react.bridge.JavaScriptExecutorFactory;
import com.facebook.react.bridge.NativeModuleCallExceptionHandler;
import com.facebook.react.bridge.NotThreadSafeBridgeIdleDebugListener;
import com.facebook.react.common.LifecycleState;
import com.facebook.react.devsupport.RedBoxHandler;
import com.facebook.react.devsupport.interfaces.DevBundleDownloadListener;
import com.facebook.react.devsupport.interfaces.DevSupportManager;
import com.facebook.react.jscexecutor.JSCExecutorFactory;
import com.facebook.react.modules.core.DefaultHardwareBackBtnHandler;
import com.facebook.react.packagerconnection.RequestHandler;
import com.facebook.react.uimanager.UIImplementationProvider;
import com.facebook.soloader.SoLoader;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
/** Builder class for {@link ReactInstanceManager} */
public class ReactInstanceManagerBuilder {
private final List<ReactPackage> mPackages = new ArrayList<>();
private @Nullable String mJSBundleAssetUrl;
private @Nullable JSBundleLoader mJSBundleLoader;
private @Nullable String mJSMainModulePath;
private @Nullable NotThreadSafeBridgeIdleDebugListener mBridgeIdleDebugListener;
private @Nullable Application mApplication;
private boolean mUseDeveloperSupport;
private @Nullable LifecycleState mInitialLifecycleState;
private @Nullable UIImplementationProvider mUIImplementationProvider;
private @Nullable NativeModuleCallExceptionHandler mNativeModuleCallExceptionHandler;
private @Nullable Activity mCurrentActivity;
private @Nullable DefaultHardwareBackBtnHandler mDefaultHardwareBackBtnHandler;
private @Nullable RedBoxHandler mRedBoxHandler;
private boolean mLazyViewManagersEnabled;
private @Nullable DevBundleDownloadListener mDevBundleDownloadListener;
private @Nullable JavaScriptExecutorFactory mJavaScriptExecutorFactory;
private int mMinNumShakes = 1;
private int mMinTimeLeftInFrameForNonBatchedOperationMs = -1;
private @Nullable JSIModulePackage mJSIModulesPackage;
private @Nullable Map<String, RequestHandler> mCustomPackagerCommandHandlers;
/* 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;
}
public ReactInstanceManagerBuilder setJSIModulesPackage(
@Nullable JSIModulePackage jsiModulePackage) {
mJSIModulesPackage = jsiModulePackage;
return this;
}
/** Factory for desired implementation of JavaScriptExecutor. */
public ReactInstanceManagerBuilder setJavaScriptExecutorFactory(
@Nullable JavaScriptExecutorFactory javaScriptExecutorFactory) {
mJavaScriptExecutorFactory = javaScriptExecutorFactory;
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.
*
* <p>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 invocations of
* {@link setJSBundleFile} and {@link setBundleAssetName}.
*
* <p>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 setJSMainModulePath(String jsMainModulePath) {
mJSMainModulePath = jsMainModulePath;
return this;
}
public ReactInstanceManagerBuilder addPackage(ReactPackage reactPackage) {
mPackages.add(reactPackage);
return this;
}
public ReactInstanceManagerBuilder addPackages(List<ReactPackage> reactPackages) {
mPackages.addAll(reactPackages);
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 setRedBoxHandler(@Nullable RedBoxHandler redBoxHandler) {
mRedBoxHandler = redBoxHandler;
return this;
}
public ReactInstanceManagerBuilder setLazyViewManagersEnabled(boolean lazyViewManagersEnabled) {
mLazyViewManagersEnabled = lazyViewManagersEnabled;
return this;
}
public ReactInstanceManagerBuilder setDevBundleDownloadListener(
@Nullable DevBundleDownloadListener listener) {
mDevBundleDownloadListener = listener;
return this;
}
public ReactInstanceManagerBuilder setMinNumShakes(int minNumShakes) {
mMinNumShakes = minNumShakes;
return this;
}
public ReactInstanceManagerBuilder setMinTimeLeftInFrameForNonBatchedOperationMs(
int minTimeLeftInFrameForNonBatchedOperationMs) {
mMinTimeLeftInFrameForNonBatchedOperationMs = minTimeLeftInFrameForNonBatchedOperationMs;
return this;
}
public ReactInstanceManagerBuilder setCustomPackagerCommandHandlers(
Map<String, RequestHandler> customPackagerCommandHandlers) {
mCustomPackagerCommandHandlers = customPackagerCommandHandlers;
return this;
}
/**
* Instantiates a new {@link ReactInstanceManager}. 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 #setJSMainModulePath}
* </ul>
*/
public ReactInstanceManager build() {
Assertions.assertNotNull(
mApplication, "Application property has not been set with this builder");
if (mInitialLifecycleState == LifecycleState.RESUMED) {
Assertions.assertNotNull(
mCurrentActivity, "Activity needs to be set if initial lifecycle state is resumed");
}
Assertions.assertCondition(
mUseDeveloperSupport || mJSBundleAssetUrl != null || mJSBundleLoader != null,
"JS Bundle File or Asset URL has to be provided when dev support is disabled");
Assertions.assertCondition(
mJSMainModulePath != null || mJSBundleAssetUrl != null || mJSBundleLoader != null,
"Either MainModulePath or JS Bundle File needs to be provided");
if (mUIImplementationProvider == null) {
// create default UIImplementationProvider if the provided one is null.
mUIImplementationProvider = new UIImplementationProvider();
}
// We use the name of the device and the app for debugging & metrics
//noinspection ConstantConditions
String appName = mApplication.getPackageName();
String deviceName = getFriendlyDeviceName();
return new ReactInstanceManager(
mApplication,
mCurrentActivity,
mDefaultHardwareBackBtnHandler,
mJavaScriptExecutorFactory == null
? getDefaultJSExecutorFactory(appName, deviceName, mApplication.getApplicationContext())
: mJavaScriptExecutorFactory,
(mJSBundleLoader == null && mJSBundleAssetUrl != null)
? JSBundleLoader.createAssetLoader(
mApplication, mJSBundleAssetUrl, false /*Asynchronous*/)
: mJSBundleLoader,
mJSMainModulePath,
mPackages,
mUseDeveloperSupport,
mBridgeIdleDebugListener,
Assertions.assertNotNull(mInitialLifecycleState, "Initial lifecycle state was not set"),
mUIImplementationProvider,
mNativeModuleCallExceptionHandler,
mRedBoxHandler,
mLazyViewManagersEnabled,
mDevBundleDownloadListener,
mMinNumShakes,
mMinTimeLeftInFrameForNonBatchedOperationMs,
mJSIModulesPackage,
mCustomPackagerCommandHandlers);
}
private JavaScriptExecutorFactory getDefaultJSExecutorFactory(String appName, String deviceName, Context applicationContext) {
try {
// If JSC is included, use it as normal
initializeSoLoaderIfNecessary(applicationContext);
SoLoader.loadLibrary("jscexecutor");
return new JSCExecutorFactory(appName, deviceName);
} catch (UnsatisfiedLinkError jscE) {
// Otherwise use Hermes
return new HermesExecutorFactory();
}
}
}