给Ionic写一个cordova(PhoneGap)插件

package com.funnyZpC.integrityChecking.plugin;

    /**
 * Apk integrity checking
 * @author funnyZpC
 */
    public class CordovaApkValidate extends CordovaPlugin {
 /**
 * action:方法的动作，根据动作走相应的处理逻辑
 * args:js调用方法时传的参数，均以json的形式读入(这里未使用)
 * callbackContext:方法返回的对象，对象里面包好两个变量success和error,js的回调函数会用到
 * 
 */
 @Override
 public boolean execute(String action, JSONArray args, CallbackContext callbackContext) throws JSONException {

            /**
 * 思路:根据cordova对象获取包的路径
 * 然实例化MessageDigest对象的SHA-1算法
 * 再讲当前包加载到输入流
 * 再按字节数组读取输入流获取大integer的值
 * 后将大integer转换成16进制的hashcode的表示
 * 后再将16进制扔给callbackContext对象返回
 */
 String apkPath=cordova.getActivity().getApplicationContext().getPackageCodePath();
 MessageDigest msgDigest = null;
 if (action.equals("getSHA1")) {
 try {
 msgDigest = MessageDigest.getInstance("SHA-1");
 byte[] bytes = new byte[1024];
 int byteCount;
 FileInputStream fis = new FileInputStream(new File(apkPath));
 while ((byteCount = fis.read(bytes)) > 0){
 msgDigest.update(bytes, 0, byteCount);
 }
 BigInteger bi = new BigInteger(1, msgDigest.digest());
 callbackContext.success(bi.toString(16));
 fis.close();
 } catch (Exception e) {
 callbackContext.error("ERROR MESSAGE:"+e);
 return false;
 }
 }
 return true;

 1 cordova.define("cordova-plugin-integrity-checking.apkValidatePlugin", function(require, exports, module) {
 2 /*
 3 var exec = require('cordova/exec');
 4 
 5 exports.isDeviceRooted = function(success, error) {
 6  exec(success, error, "RootDetection", "isDeviceRooted", []);
 7 };
 8 */
 9 var exec = function (command, success, fail) {
10   cordova.exec(success, fail, "ApkValidatePlugin", command, []);//参数(回调成功,回调错误,别名,action名称,参数)
11 };
12 var apkValidate={};
13 apkValidate.getSHA1 = function (success, fail) {
14          return exec('getSHA1', success, fail);
15 };
16 
17 module.exports = apkValidate;
18 
19 });

 1 xml version='1.0' encoding='utf-8'?>
 2 <plugin id="cordova-plugin-integrity-checking" version="1.0.0" xmlns="http://apache.org/cordova/ns/plugins/1.0"
 3  xmlns:android="http://schemas.android.com/apk/res/android">
 4     <name>Integrity checkingname>
 5     <author>@funnyZpCauthor>
 6     <description>Cordova Plugin for integrity checkingdescription>
 7     <keywords>Cordova,Integrity,Checking,Ecosystem:Cordova,Cordova-androidkeywords>
 8     <license>MITlicense>
 9     <repo>https://github.com/funnyZpC/cordova-plugin-integrity-checkingrepo>
10     <issue>https://github.com/funnyZpC/cordova-plugin-integrity-checking/issuesissue>
11     <engines>
12         <engine name="cordova" version=">=3.0.0"/>
13     engines>
14     <js-module src="www/apkValidatePlugin.js">
15         <clobbers target="Cordova"/>
16     js-module>
17     
18     <platform name="android">
19         <config-file parent="/*" target="res/xml/config.xml">
20             <feature name="ApkValidatePlugin">
21                 <param name="android-package" value="com.funnyZpC.integrityChecking.plugin.CordovaApkValidate"/>
22                 <param name="onload" value="true"/>
23             feature>
24         config-file>
25         <config-file parent="/*" target="AndroidManifest.xml">config-file>
26         <source-file src="src/android/CordovaApkValidate.java" target-dir="src/com/funnyZpC/integrityChecking/plugin"/>
27     platform>
28 plugin>