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Reviewed By: astreet Differential Revision: D3328342 fbshipit-source-id: af4e825d0b7c2d3d4490094a939e97cc527dd242
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18 changes: 18 additions & 0 deletions
18
ReactAndroid/src/main/java/com/facebook/react/ReactApplication.java
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| /** | ||
| * Copyright (c) 2015-present, Facebook, Inc. | ||
| * All rights reserved. | ||
| * | ||
| * This source code is licensed under the BSD-style license found in the | ||
| * LICENSE file in the root directory of this source tree. An additional grant | ||
| * of patent rights can be found in the PATENTS file in the same directory. | ||
| */ | ||
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| package com.facebook.react; | ||
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| public interface ReactApplication { | ||
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| /** | ||
| * Get the default {@link ReactNativeHost} for this app. | ||
| */ | ||
| ReactNativeHost getReactNativeHost(); | ||
| } |
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ReactAndroid/src/main/java/com/facebook/react/ReactNativeHost.java
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| /** | ||
| * Copyright (c) 2015-present, Facebook, Inc. | ||
| * All rights reserved. | ||
| * | ||
| * This source code is licensed under the BSD-style license found in the | ||
| * LICENSE file in the root directory of this source tree. An additional grant | ||
| * of patent rights can be found in the PATENTS file in the same directory. | ||
| */ | ||
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| package com.facebook.react; | ||
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| import javax.annotation.Nullable; | ||
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| import java.util.List; | ||
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| import android.app.Application; | ||
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| import com.facebook.infer.annotation.Assertions; | ||
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| /** | ||
| * Simple class that holds an instance of {@link ReactInstanceManager}. This can be used in your | ||
| * {@link Application class} (see {@link ReactApplication}), or as a static field. | ||
| */ | ||
| public abstract class ReactNativeHost { | ||
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| private final Application mApplication; | ||
| private @Nullable ReactInstanceManager mReactInstanceManager; | ||
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| protected ReactNativeHost(Application application) { | ||
| mApplication = application; | ||
| } | ||
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| /** | ||
| * Get the current {@link ReactInstanceManager} instance, or create one. | ||
| */ | ||
| public ReactInstanceManager getReactInstanceManager() { | ||
| if (mReactInstanceManager == null) { | ||
| mReactInstanceManager = createReactInstanceManager(); | ||
| } | ||
| return mReactInstanceManager; | ||
| } | ||
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| /** | ||
| * Get whether this holder contains a {@link ReactInstanceManager} instance, or not. I.e. if | ||
| * {@link #getReactInstanceManager()} has been called at least once since this object was created | ||
| * or {@link #clear()} was called. | ||
| */ | ||
| public boolean hasInstance() { | ||
| return mReactInstanceManager != null; | ||
| } | ||
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| /** | ||
| * Destroy the current instance and release the internal reference to it, allowing it to be GCed. | ||
| */ | ||
| public void clear() { | ||
| if (mReactInstanceManager != null) { | ||
| mReactInstanceManager.destroy(); | ||
| mReactInstanceManager = null; | ||
| } | ||
| } | ||
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| protected ReactInstanceManager createReactInstanceManager() { | ||
| ReactInstanceManager.Builder builder = ReactInstanceManager.builder() | ||
| .setApplication(mApplication) | ||
| .setJSMainModuleName(getJSMainModuleName()) | ||
| .setUseDeveloperSupport(getUseDeveloperSupport()) | ||
| .setInitialLifecycleState(LifecycleState.BEFORE_CREATE); | ||
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| for (ReactPackage reactPackage : getPackages()) { | ||
| builder.addPackage(reactPackage); | ||
| } | ||
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| String jsBundleFile = getJSBundleFile(); | ||
| if (jsBundleFile != null) { | ||
| builder.setJSBundleFile(jsBundleFile); | ||
| } else { | ||
| builder.setBundleAssetName(Assertions.assertNotNull(getBundleAssetName())); | ||
| } | ||
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| return builder.build(); | ||
| } | ||
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| /** | ||
| * Returns the name of the main module. Determines the URL used to fetch the JS bundle | ||
| * from the packager server. It is only used when dev support is enabled. | ||
| * This is the first file to be executed once the {@link ReactInstanceManager} is created. | ||
| * e.g. "index.android" | ||
| */ | ||
| protected String getJSMainModuleName() { | ||
| return "index.android"; | ||
| } | ||
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| /** | ||
| * Returns a custom path of the bundle file. This is used in cases the bundle should be loaded | ||
| * from a custom path. By default it is loaded from Android assets, from a path specified | ||
| * by {@link getBundleAssetName}. | ||
| * e.g. "file://sdcard/myapp_cache/index.android.bundle" | ||
| */ | ||
| protected @Nullable String getJSBundleFile() { | ||
| return null; | ||
| } | ||
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| /** | ||
| * Returns the name of the bundle in assets. If this is null, and no file path is specified for | ||
| * the bundle, the app will only work with {@code getUseDeveloperSupport} enabled and will | ||
| * always try to load the JS bundle from the packager server. | ||
| * e.g. "index.android.bundle" | ||
| */ | ||
| protected @Nullable String getBundleAssetName() { | ||
| return "index.android.bundle"; | ||
| } | ||
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| /** | ||
| * Returns whether dev mode should be enabled. This enables e.g. the dev menu. | ||
| */ | ||
| protected abstract boolean getUseDeveloperSupport(); | ||
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| /** | ||
| * Returns a list of {@link ReactPackage} used by the app. | ||
| * You'll most likely want to return at least the {@code MainReactPackage}. | ||
| * If your app uses additional views or modules besides the default ones, | ||
| * you'll want to include more packages here. | ||
| */ | ||
| protected abstract List<ReactPackage> getPackages(); | ||
| } |
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