├── index.js
├── package.json
├── README.md
├── BackHome.java
├── AppReactPackage.java
├── postInstall.js
└── configureReactBackHome.js


/index.js:
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1 | 


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/package.json:
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 1 | {
 2 |   "name": "react-back-home",
 3 |   "version": "0.2.13",
 4 |   "description": "使得app返回桌面，后台运行",
 5 |   "main": "index.js",
 6 |   "scripts": {
 7 | 	  "postinstall": "node postInstall.js"
 8 |   },
 9 |   "author": "",
10 |   "license": "ISC",
11 |   "keywords": [
12 | 		"react",
13 | 		"back",
14 | 		"home",
15 | 		"desktop"
16 | 	]
17 | }
18 | 


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/README.md:
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 1 | ## 功能介绍：
 2 | - React Native app返回桌面，后台运行插件。
 3 | 
 4 | ## 适用平台：
 5 | - React Native Android
 6 | 
 7 | ## 安装步骤：
 8 | - 1、运行 npm install react-back-home --save
 9 | - 2、运行 npm run configureReactBackHome
10 | 
11 | ## 使用方法：
12 | - 1、头文件定义：import { NativeModules } from 'react-native'
13 | - 2、调用：NativeModules.BackHome.go();
14 | 
15 | ## Github地址：
16 | - https://github.com/yuejunquan/react-back-home
17 | - 如果此插件帮助了您，请顺便给颗星星


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/BackHome.java:
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 1 | package com.backHome;
 2 | 
 3 | import android.content.Intent;
 4 | import android.support.v4.app.ActivityCompat;
 5 | 
 6 | import com.facebook.react.bridge.ReactApplicationContext;
 7 | import com.facebook.react.bridge.ReactContextBaseJavaModule;
 8 | import com.facebook.react.bridge.ReactMethod;
 9 | 
10 | /**
11 |  * Created by yjq on 2017/5/8.
12 |  */
13 | 
14 | public class BackHome extends ReactContextBaseJavaModule {
15 |     public BackHome(ReactApplicationContext reactContext) {
16 |         super(reactContext);
17 |     }
18 | 
19 |     @Override
20 |     public String getName() {
21 |         return "BackHome";
22 |     }
23 | 
24 |     @ReactMethod
25 |     public void go() {
26 |         //启动一个意图,回到桌面
27 |         Intent backHome = new Intent(Intent.ACTION_MAIN);
28 |         backHome.addCategory(Intent.CATEGORY_HOME);
29 |         ActivityCompat.startActivity(getCurrentActivity(), backHome, null);
30 |     }
31 | 
32 | 
33 | }
34 | 


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/AppReactPackage.java:
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 1 | package com.backHome;
 2 | 
 3 | import com.facebook.react.ReactPackage;
 4 | import com.facebook.react.bridge.JavaScriptModule;
 5 | import com.facebook.react.bridge.NativeModule;
 6 | import com.facebook.react.bridge.ReactApplicationContext;
 7 | import com.facebook.react.uimanager.ViewManager;
 8 | 
 9 | import java.util.ArrayList;
10 | import java.util.Collections;
11 | import java.util.List;
12 | 
13 | public class AppReactPackage implements ReactPackage {
14 | 
15 |     @Override
16 |     public List<Class<? extends JavaScriptModule>> createJSModules() {
17 |         return Collections.emptyList();
18 |     }
19 | 
20 |     @Override
21 |     public List<ViewManager> createViewManagers(ReactApplicationContext reactContext) {
22 |         return Collections.emptyList();
23 |     }
24 | 
25 |     @Override
26 |     public List<NativeModule> createNativeModules(
27 |             ReactApplicationContext reactContext) {
28 |         List<NativeModule> modules = new ArrayList<>();
29 | 
30 |         modules.add(new BackHome(reactContext));
31 | 
32 |         return modules;
33 |     }
34 | }


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/postInstall.js:
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 1 | var fs = require('fs');
 2 | var spath = require('path');
 3 | var os = require('os');
 4 | 
 5 | function getAllfiles(dir, findOne) {
 6 |   // if (arguments.length < 2) throw new TypeError('Bad arguments number');
 7 | 
 8 |   if (typeof findOne !== 'function') {
 9 |     throw new TypeError('The argument "findOne" must be a function');
10 |   }
11 | 
12 |   eachFileSync(spath.resolve(dir), findOne);
13 | }
14 | 
15 | function eachFileSync (dir, findOne) {
16 |   var stats = fs.statSync(dir);
17 |   var files = fullPath(dir, fs.readdirSync(dir));
18 |   files.forEach(function (item) {
19 |     findOne(item, stats);
20 |   });
21 | }
22 | 
23 | function fullPath (dir, files) {
24 |   return files.map(function (f) {
25 |     return spath.join(dir, f);
26 |   });
27 | }
28 | 
29 | getPackageJson("./../..", function (f, s) {
30 |   var isPackageJson = f.match(/package\.json/);
31 |   if (isPackageJson != null) {
32 |     console.log("find package.json file: " + f);
33 |     if (isFile(f) == false) {
34 |       console.log("configure package.json error!!");
35 |       return;
36 |     }
37 |     var rf = fs.readFileSync(f, "utf-8");
38 |     var searchKey = rf.match(/\n.*\"scripts\"\: \{\n/);
39 | 
40 |     if (/configureReactBackHome/.test(rf)) {
41 |       return;
42 |     }
43 | 
44 |     if (searchKey != null) {
45 |       rf = rf.replace(searchKey[0], searchKey[0] + "    \"configureReactBackHome\"\: \"node node_modules\/react-back-home\/configureReactBackHome\.js\"\,\n");
46 |       fs.writeFileSync(f, rf, "utf-8");
47 |     }
48 |   }
49 | });
50 | 
51 | function getPackageJson(dir, findOne) {
52 |   if (typeof findOne !== 'function') {
53 |     throw new TypeError('The argument "findOne" must be a function');
54 |   }
55 | 
56 |   eachFileSync(spath.resolve(dir), findOne);
57 | }
58 | 
59 | function isFile(path){
60 |     return exists(path) && fs.statSync(path).isFile();
61 | }
62 | 
63 | function exists(path){
64 |      return fs.existsSync(path) || path.existsSync(path);
65 | }
66 | 
67 | function isDir(path){
68 |     return exists(path) && fs.statSync(path).isDirectory();
69 | }
70 | 


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/configureReactBackHome.js:
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 1 | //   这个地方是更新配置文件 的脚本
 2 | var fs = require('fs');
 3 | var spath = require('path');
 4 | var os = require('os');
 5 | //修改MainApplication.java
 6 | setMainApplication("./android", function (path, s) {
 7 |     //找到MainApplication.java
 8 |     var isSettingGradle = path.match(/MainApplication\.java/);
 9 |     if (isSettingGradle != null) {//如果文件不为空
10 |         console.log("文件路径:" + path);
11 |         if (isFile(path) == false) {
12 |             console.log("MainApplication.java文件不存在!!");
13 |             return;
14 |         }
15 |         var rf = fs.readFileSync(path, "utf-8");
16 |         //添加new AppReactPackage()
17 |         var isAlreadyWrite = rf.match(/.*new AppReactPackage().*/);
18 |         if (isAlreadyWrite == null) {//如果没有添加xxx，便执行
19 |             var searchKey = rf.match(/new MainReactPackage()../);
20 |             if (searchKey != null) {//如果没有找到文件里指定的位置
21 |                 rf = rf.replace(searchKey[0], searchKey[0]+ "\n,new AppReactPackage()");
22 |                 fs.writeFileSync(path, rf, "utf-8");
23 |             } else {
24 |                 throw new TypeError("没有在MainApplication.java里找到指定的位置");
25 |             }
26 |         }
27 |         //添加import com.backHome.AppReactPackage;
28 |         var isAlreadyWrite = rf.match(/.*import com.backHome.AppReactPackage;.*/);
29 |         if (isAlreadyWrite == null) {//如果没有添加xxx，便执行
30 |             var searchKey = rf.match(/import android.app.Application;/);
31 |             if (searchKey != null) {//如果没有找到文件里指定的位置
32 |                 rf = rf.replace(searchKey[0], searchKey[0]+ "\nimport com.backHome.AppReactPackage;");
33 |                 fs.writeFileSync(path, rf, "utf-8");
34 |             } else {
35 |                 throw new TypeError("没有在MainApplication.java里找到指定的位置");
36 |             }
37 |         }
38 | 
39 |     }
40 | });
41 | function setMainApplication(dir, findOne) {
42 |     if (typeof findOne !== 'function') {
43 |         throw new TypeError('源代码错误');
44 |     }
45 |     eachFileSync(spath.resolve(dir), findOne);
46 | }
47 | 
48 | //在com下面创建backHome文件夹
49 | createFile();
50 | function createFile() {
51 |     var pathh = "./android/app/src/main/java/com/backHome"
52 |     var nodePath="./node_modules/react-back-home/";
53 |     if (!fs.existsSync(pathh)) {
54 |         fs.mkdirSync(pathh);
55 |     }
56 |     var AppReactPackage = fs.readFileSync(nodePath+"AppReactPackage.java", "utf-8");
57 |     var BackHome = fs.readFileSync(nodePath+"BackHome.java", "utf-8");
58 |     if (!fs.existsSync(pathh + '/AppReactPackage.java')) {//如果文件不存在就创建
59 |         fs.appendFileSync(pathh + '/AppReactPackage.java', AppReactPackage);
60 |     }
61 |     if (!fs.existsSync(pathh + '/BackHome.java')) {//如果文件不存在就创建
62 |         fs.appendFileSync(pathh + '/BackHome.java', BackHome)
63 |     }
64 | 
65 | 
66 | }
67 | 
68 | 
69 | 
70 | //判断文件是否存在
71 | function isFile(path) {
72 |     return exists(path) && fs.statSync(path).isFile();
73 | }
74 | // 判断文件
75 | function exists(path) {
76 |     return fs.existsSync(path) || path.existsSync(path);
77 | }
78 | //遍历文件夹
79 | function eachFileSync(dir, findOne) {
80 |     var stats = fs.statSync(dir);
81 |     findOne(dir, stats);
82 | 
83 |     // 遍历子目录
84 |     if (stats.isDirectory()) {
85 |         var files = fullPath(dir, fs.readdirSync(dir));
86 |         // console.log(dir);
87 |         files.forEach(function (f) {
88 |             eachFileSync(f, findOne);
89 |         });
90 |     }
91 | }
92 | //查询出路径下的文件+文件夹
93 | function fullPath(dir, files) {
94 |     return files.map(function (f) {
95 |         return spath.join(dir, f);
96 |     });
97 | }


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