├── .flowconfig ├── .gitignore ├── LICENSE ├── README.md ├── app ├── build.gradle ├── proguard-rules.pro └── src │ └── main │ ├── AndroidManifest.xml │ ├── assets │ ├── index.android.bundle │ └── index.android.bundle.meta │ ├── java │ └── com │ │ └── github │ │ └── markzhai │ │ └── react │ │ └── preloader │ │ └── demo │ │ ├── Application.java │ │ ├── DemoReactActivity.java │ │ └── MainActivity.java │ └── res │ ├── drawable-hdpi │ └── node_modules_reactnative_libraries_customcomponents_navigationexperimental_assets_backicon.png │ ├── drawable-mdpi │ └── node_modules_reactnative_libraries_customcomponents_navigationexperimental_assets_backicon.png │ ├── drawable-xhdpi │ └── node_modules_reactnative_libraries_customcomponents_navigationexperimental_assets_backicon.png │ ├── drawable-xxhdpi │ └── node_modules_reactnative_libraries_customcomponents_navigationexperimental_assets_backicon.png │ ├── drawable-xxxhdpi │ └── node_modules_reactnative_libraries_customcomponents_navigationexperimental_assets_backicon.png │ ├── layout │ └── activity_main.xml │ ├── mipmap-hdpi │ └── ic_launcher.png │ ├── mipmap-mdpi │ └── ic_launcher.png │ ├── mipmap-xhdpi │ └── ic_launcher.png │ ├── mipmap-xxhdpi │ └── ic_launcher.png │ ├── mipmap-xxxhdpi │ └── ic_launcher.png │ ├── values-w820dp │ └── dimens.xml │ └── values │ ├── colors.xml │ ├── dimens.xml │ ├── strings.xml │ └── styles.xml ├── build.gradle ├── gradle.properties ├── index.android.js ├── package.json ├── package.sh ├── preloader ├── .gitignore ├── build.gradle ├── gradle-mvn-push.gradle ├── gradle.properties ├── proguard-rules.pro └── src │ └── main │ ├── AndroidManifest.xml │ └── java │ └── com │ └── github │ └── markzhai │ └── react │ └── preloader │ ├── MrReactActivity.java │ ├── ReactInfo.java │ └── ReactPreLoader.java ├── screenshot.gif └── settings.gradle /.flowconfig: -------------------------------------------------------------------------------- 1 | [ignore] 2 | 3 | # We fork some components by platform. 4 | .*/*.android.js 5 | 6 | # Ignore templates with `@flow` in header 7 | .*/local-cli/generator.* 8 | 9 | # Ignore malformed json 10 | .*/node_modules/y18n/test/.*\.json 11 | 12 | # Ignore the website subdir 13 | /website/.* 14 | 15 | # Ignore BUCK generated dirs 16 | /\.buckd/ 17 | 18 | # Ignore unexpected extra @providesModule 19 | .*/node_modules/commoner/test/source/widget/share.js 20 | 21 | # Ignore duplicate module providers 22 | # For RN Apps installed via npm, "Libraries" folder is inside node_modules/react-native but in the source repo it is in the root 23 | .*/Libraries/react-native/React.js 24 | .*/Libraries/react-native/ReactNative.js 25 | .*/node_modules/jest-runtime/build/__tests__/.* 26 | 27 | [include] 28 | 29 | [libs] 30 | Libraries/react-native/react-native-interface.js 31 | flow/ 32 | 33 | [options] 34 | module.system=haste 35 | 36 | esproposal.class_static_fields=enable 37 | esproposal.class_instance_fields=enable 38 | 39 | experimental.strict_type_args=true 40 | 41 | munge_underscores=true 42 | 43 | module.name_mapper='^image![a-zA-Z0-9$_-]+$' -> 'GlobalImageStub' 44 | module.name_mapper='^[./a-zA-Z0-9$_-]+\.\(bmp\|gif\|jpg\|jpeg\|png\|psd\|svg\|webp\|m4v\|mov\|mp4\|mpeg\|mpg\|webm\|aac\|aiff\|caf\|m4a\|mp3\|wav\|html\|pdf\)$' -> 'RelativeImageStub' 45 | 46 | suppress_type=$FlowIssue 47 | suppress_type=$FlowFixMe 48 | suppress_type=$FixMe 49 | 50 | suppress_comment=\\(.\\|\n\\)*\\$FlowFixMe\\($\\|[^(]\\|(\\(>=0\\.\\(30\\|[1-2][0-9]\\|[0-9]\\).[0-9]\\)? *\\(site=[a-z,_]*react_native[a-z,_]*\\)?)\\) 51 | suppress_comment=\\(.\\|\n\\)*\\$FlowIssue\\((\\(>=0\\.\\(30\\|1[0-9]\\|[1-2][0-9]\\).[0-9]\\)? *\\(site=[a-z,_]*react_native[a-z,_]*\\)?)\\)?:? #[0-9]+ 52 | suppress_comment=\\(.\\|\n\\)*\\$FlowFixedInNextDeploy 53 | 54 | unsafe.enable_getters_and_setters=true 55 | 56 | [version] 57 | ^0.30.0 58 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | # Built application files 2 | *.apk 3 | *.ap_ 4 | 5 | # Files for the Dalvik VM 6 | *.dex 7 | 8 | # Java class files 9 | *.class 10 | 11 | # Generated files 12 | bin/ 13 | gen/ 14 | 15 | # Gradle files 16 | .gradle/ 17 | build/ 18 | 19 | # Local configuration file (sdk path, etc) 20 | local.properties 21 | keystore.properties 22 | 23 | # Proguard folder generated by Eclipse 24 | proguard/ 25 | 26 | # Log Files 27 | *.log 28 | 29 | # Android Studio Navigation editor temp files 30 | .navigation/ 31 | 32 | # Android Studio captures folder 33 | captures/ 34 | 35 | # jetbrain project file 36 | .idea/ 37 | *.iml 38 | gradle/ 39 | gradlew* 40 | .gitignore 41 | 42 | # node.js 43 | # 44 | npm-debug.log 45 | node_modules/ 46 | # jest 47 | coverage/ 48 | 49 | src/lib/config.js 50 | 51 | # BUCK 52 | buck 53 | .okbuck/ 54 | buck-out/ 55 | \.buckd/ 56 | android/app/libs 57 | android/keystores/debug.keystore 58 | index.ios.js 59 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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The text should be enclosed in the appropriate 184 | comment syntax for the file format. We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright {yyyy} {name of copyright owner} 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # react-native-preloader 2 | 3 | React Native Pre-loader for Android. 4 | 5 | During development of React Native on Android hybrid app, we can find that even in a release package with js bundle in assets, the first startup of the entry React Native Activity can still cost over 1 second, which severely effects user experience. What's more, if we exit the React Activity, and enter again, it still costs that much time. Holy shit! 6 | 7 | This library is to solve the problem, and let you load the React Native Activity in milliseconds, painlessly. 8 | 9 | Support React Native versions: 10 | - 0.30 11 | - 0.31 12 | - 0.32 13 | 14 | May also run on other versions, but I have not checked that. 15 | 16 | Effects on our application: 17 | 18 | ![screenshot](screenshot.gif "screenshot") 19 | 20 | # TODO 21 | 22 | - Check bundle update support. 23 | 24 | # Run demo 25 | 26 | In order to run demo, your should have react-native installed, then 27 | 28 | ```bash 29 | # install dependencies according to package.json 30 | npm install 31 | 32 | # package js files into bundle, which will be under assets directory. 33 | sh package.sh 34 | ``` 35 | 36 | # Usage 37 | 38 | ```groovy 39 | dependencies { 40 | compile "com.github.markzhai:react-native-preloader:0.32.0" 41 | } 42 | ``` 43 | 44 | In the activity which you want to pre-load ReactActivity: 45 | 46 | ```java 47 | ReactPreLoader.init(this, DemoReactActivity.reactInfo); 48 | ``` 49 | 50 | Make your ReactActivity extends the one in the library: 51 | 52 | ```java 53 | public class DemoReactActivity extends MrReactActivity { 54 | 55 | public static final ReactInfo reactInfo = new ReactInfo("HelloWorld", null); 56 | 57 | @Override 58 | protected String getMainComponentName() { 59 | return reactInfo.getMainComponentName(); 60 | } 61 | 62 | @Override 63 | public ReactInfo getReactInfo() { 64 | return reactInfo; 65 | } 66 | } 67 | ``` 68 | 69 | # How it works 70 | 71 | See `ReactPreLoader` and `MrReactActivity`'s `onCreate`. 72 | 73 | # License 74 | 75 | Licensed under the Apache License, Version 2.0 (the "License"); 76 | you may not use this file except in compliance with the License. 77 | You may obtain a copy of the License at 78 | 79 | http://www.apache.org/licenses/LICENSE-2.0 80 | 81 | Unless required by applicable law or agreed to in writing, software 82 | distributed under the License is distributed on an "AS IS" BASIS, 83 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 84 | See the License for the specific language governing permissions and 85 | limitations under the License. 86 | -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.application' 2 | 3 | android { 4 | compileSdkVersion 23 5 | buildToolsVersion "24.0.1" 6 | 7 | defaultConfig { 8 | applicationId "com.github.markzhai.react.preloader.demo" 9 | minSdkVersion 16 10 | targetSdkVersion 23 11 | versionCode 1 12 | versionName "1.0" 13 | } 14 | buildTypes { 15 | release { 16 | minifyEnabled false 17 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 18 | } 19 | } 20 | } 21 | 22 | dependencies { 23 | compile fileTree(dir: 'libs', include: ['*.jar']) 24 | compile 'com.android.support:appcompat-v7:23.4.0' 25 | compile "com.facebook.react:react-native:0.31.0" 26 | compile project(path: ':preloader') 27 | } 28 | -------------------------------------------------------------------------------- /app/proguard-rules.pro: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # By default, the flags in this file are appended to flags specified 3 | # in /Users/yifan/dev/sdk/adt-bundle-mac-sdk/tools/proguard/proguard-android.txt 4 | # You can edit the include path and order by changing the proguardFiles 5 | # directive in build.gradle. 6 | # 7 | # For more details, see 8 | # http://developer.android.com/guide/developing/tools/proguard.html 9 | 10 | # Add any project specific keep options here: 11 | 12 | # If your project uses WebView with JS, uncomment the following 13 | # and specify the fully qualified class name to the JavaScript interface 14 | # class: 15 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 16 | # public *; 17 | #} 18 | -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 6 | 7 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | -------------------------------------------------------------------------------- /app/src/main/assets/index.android.bundle.meta: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/markzhai/react-native-preloader/e896e65eb196a7052abad5630ac49f843e575df0/app/src/main/assets/index.android.bundle.meta -------------------------------------------------------------------------------- /app/src/main/java/com/github/markzhai/react/preloader/demo/Application.java: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright (C) 2016 MarkZhai (http://zhaiyifan.cn). 3 | * 4 | * Licensed under the Apache License, Version 2.0 (the "License"); 5 | * you may not use this file except in compliance with the License. 6 | * You may obtain a copy of the License at 7 | * 8 | * http://www.apache.org/licenses/LICENSE-2.0 9 | * 10 | * Unless required by applicable law or agreed to in writing, software 11 | * distributed under the License is distributed on an "AS IS" BASIS, 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | * See the License for the specific language governing permissions and 14 | * limitations under the License. 15 | */ 16 | package com.github.markzhai.react.preloader.demo; 17 | 18 | import com.facebook.react.ReactApplication; 19 | import com.facebook.react.ReactNativeHost; 20 | import com.facebook.react.ReactPackage; 21 | import com.facebook.react.shell.MainReactPackage; 22 | 23 | import java.util.Collections; 24 | import java.util.List; 25 | 26 | public class Application extends android.app.Application implements ReactApplication { 27 | 28 | private final ReactNativeHost mReactNativeHost = new ReactNativeHost(this) { 29 | @Override 30 | protected boolean getUseDeveloperSupport() { 31 | return false; 32 | } 33 | 34 | @Override 35 | protected List getPackages() { 36 | return Collections.singletonList( 37 | new MainReactPackage() 38 | ); 39 | } 40 | }; 41 | 42 | @Override 43 | public ReactNativeHost getReactNativeHost() { 44 | return mReactNativeHost; 45 | } 46 | 47 | } 48 | -------------------------------------------------------------------------------- /app/src/main/java/com/github/markzhai/react/preloader/demo/DemoReactActivity.java: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright (C) 2016 MarkZhai (http://zhaiyifan.cn). 3 | * 4 | * Licensed under the Apache License, Version 2.0 (the "License"); 5 | * you may not use this file except in compliance with the License. 6 | * You may obtain a copy of the License at 7 | * 8 | * http://www.apache.org/licenses/LICENSE-2.0 9 | * 10 | * Unless required by applicable law or agreed to in writing, software 11 | * distributed under the License is distributed on an "AS IS" BASIS, 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | * See the License for the specific language governing permissions and 14 | * limitations under the License. 15 | */ 16 | package com.github.markzhai.react.preloader.demo; 17 | 18 | import com.github.markzhai.react.preloader.MrReactActivity; 19 | import com.github.markzhai.react.preloader.ReactInfo; 20 | 21 | public class DemoReactActivity extends MrReactActivity { 22 | 23 | public static final ReactInfo reactInfo = new ReactInfo("HelloWorld", null); 24 | 25 | @Override 26 | protected String getMainComponentName() { 27 | return reactInfo.getMainComponentName(); 28 | } 29 | 30 | @Override 31 | public ReactInfo getReactInfo() { 32 | return reactInfo; 33 | } 34 | } 35 | -------------------------------------------------------------------------------- /app/src/main/java/com/github/markzhai/react/preloader/demo/MainActivity.java: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright (C) 2016 MarkZhai (http://zhaiyifan.cn). 3 | * 4 | * Licensed under the Apache License, Version 2.0 (the "License"); 5 | * you may not use this file except in compliance with the License. 6 | * You may obtain a copy of the License at 7 | * 8 | * http://www.apache.org/licenses/LICENSE-2.0 9 | * 10 | * Unless required by applicable law or agreed to in writing, software 11 | * distributed under the License is distributed on an "AS IS" BASIS, 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | * See the License for the specific language governing permissions and 14 | * limitations under the License. 15 | */ 16 | package com.github.markzhai.react.preloader.demo; 17 | 18 | import android.content.Intent; 19 | import android.os.Bundle; 20 | import android.support.v7.app.AppCompatActivity; 21 | import android.view.View; 22 | 23 | import com.github.markzhai.react.preloader.ReactPreLoader; 24 | 25 | public class MainActivity extends AppCompatActivity { 26 | 27 | @Override 28 | protected void onCreate(Bundle savedInstanceState) { 29 | super.onCreate(savedInstanceState); 30 | setContentView(R.layout.activity_main); 31 | 32 | ReactPreLoader.init(this, DemoReactActivity.reactInfo); 33 | 34 | findViewById(R.id.button).setOnClickListener(new View.OnClickListener() { 35 | @Override 36 | public void onClick(View v) { 37 | startActivity(new Intent(MainActivity.this, DemoReactActivity.class)); 38 | } 39 | }); 40 | } 41 | } 42 | -------------------------------------------------------------------------------- /app/src/main/res/drawable-hdpi/node_modules_reactnative_libraries_customcomponents_navigationexperimental_assets_backicon.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/markzhai/react-native-preloader/e896e65eb196a7052abad5630ac49f843e575df0/app/src/main/res/drawable-hdpi/node_modules_reactnative_libraries_customcomponents_navigationexperimental_assets_backicon.png -------------------------------------------------------------------------------- /app/src/main/res/drawable-mdpi/node_modules_reactnative_libraries_customcomponents_navigationexperimental_assets_backicon.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/markzhai/react-native-preloader/e896e65eb196a7052abad5630ac49f843e575df0/app/src/main/res/drawable-mdpi/node_modules_reactnative_libraries_customcomponents_navigationexperimental_assets_backicon.png -------------------------------------------------------------------------------- /app/src/main/res/drawable-xhdpi/node_modules_reactnative_libraries_customcomponents_navigationexperimental_assets_backicon.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/markzhai/react-native-preloader/e896e65eb196a7052abad5630ac49f843e575df0/app/src/main/res/drawable-xhdpi/node_modules_reactnative_libraries_customcomponents_navigationexperimental_assets_backicon.png -------------------------------------------------------------------------------- /app/src/main/res/drawable-xxhdpi/node_modules_reactnative_libraries_customcomponents_navigationexperimental_assets_backicon.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/markzhai/react-native-preloader/e896e65eb196a7052abad5630ac49f843e575df0/app/src/main/res/drawable-xxhdpi/node_modules_reactnative_libraries_customcomponents_navigationexperimental_assets_backicon.png -------------------------------------------------------------------------------- /app/src/main/res/drawable-xxxhdpi/node_modules_reactnative_libraries_customcomponents_navigationexperimental_assets_backicon.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/markzhai/react-native-preloader/e896e65eb196a7052abad5630ac49f843e575df0/app/src/main/res/drawable-xxxhdpi/node_modules_reactnative_libraries_customcomponents_navigationexperimental_assets_backicon.png -------------------------------------------------------------------------------- /app/src/main/res/layout/activity_main.xml: -------------------------------------------------------------------------------- 1 | 2 | 12 | 13 |