屏幕截屏
diff --git a/platforms/android/android.json b/platforms/android/android.json
index eb6d7bb..8d319b4 100644
--- a/platforms/android/android.json
+++ b/platforms/android/android.json
@@ -63,6 +63,10 @@
             {
               "xml": "<feature name=\"Fingerprint\"><param name=\"android-package\" value=\"de.niklasmerz.cordova.biometric.Fingerprint\" /></feature>",
               "count": 1
+            },
+            {
+              "xml": "<feature name=\"screenshotName\"><param name=\"android-package\" value=\"com.coffice.ScreenshotBlocker\" /><param name=\"onload\" value=\"true\" /></feature>",
+              "count": 1
             }
           ]
         }
@@ -322,6 +326,9 @@
     },
     "cordova-plugin-fingerprint-aio": {
       "PACKAGE_NAME": "com.dalipolice.app"
+    },
+    "cordova-plugin-prevent-screenshot-coffice": {
+      "PACKAGE_NAME": "com.dalipolice.app"
     }
   },
   "dependent_plugins": {},
@@ -669,6 +676,14 @@
       "clobbers": [
         "Fingerprint"
       ]
+    },
+    {
+      "id": "cordova-plugin-prevent-screenshot-coffice.screenshot",
+      "file": "plugins/cordova-plugin-prevent-screenshot-coffice/www/screenshot.js",
+      "pluginId": "cordova-plugin-prevent-screenshot-coffice",
+      "clobbers": [
+        "window.plugins.preventscreenshot"
+      ]
     }
   ],
   "plugin_metadata": {
@@ -689,6 +704,7 @@
     "cordova-plugin-app-version": "0.1.9",
     "cordova-plugin-wkwebview-engine": "1.2.1",
     "cordova-plugin-brightness": "0.1.5",
-    "cordova-plugin-fingerprint-aio": "3.0.1"
+    "cordova-plugin-fingerprint-aio": "3.0.1",
+    "cordova-plugin-prevent-screenshot-coffice": "1.0.1"
   }
 }
diff --git a/platforms/android/app/build.gradle b/platforms/android/app/build.gradle
index 31d4b5c..e758e33 100644
--- a/platforms/android/app/build.gradle
+++ b/platforms/android/app/build.gradle
@@ -174,8 +174,8 @@
         ndk {
             abiFilters "armeabi"
         }
-        versionCode 14
-        versionName '1.4.1'
+        versionCode 15
+        versionName '1.4.2'
         targetSdkVersion 28
     }
     lintOptions {
diff --git a/platforms/android/app/src/main/assets/www/cordova_plugins.js b/platforms/android/app/src/main/assets/www/cordova_plugins.js
index dbec6c3..a989701 100644
--- a/platforms/android/app/src/main/assets/www/cordova_plugins.js
+++ b/platforms/android/app/src/main/assets/www/cordova_plugins.js
@@ -343,6 +343,14 @@
       "clobbers": [
         "Fingerprint"
       ]
+    },
+    {
+      "id": "cordova-plugin-prevent-screenshot-coffice.screenshot",
+      "file": "plugins/cordova-plugin-prevent-screenshot-coffice/www/screenshot.js",
+      "pluginId": "cordova-plugin-prevent-screenshot-coffice",
+      "clobbers": [
+        "window.plugins.preventscreenshot"
+      ]
     }
   ];
   module.exports.metadata = {
@@ -363,6 +371,7 @@
     "cordova-plugin-app-version": "0.1.9",
     "cordova-plugin-wkwebview-engine": "1.2.1",
     "cordova-plugin-brightness": "0.1.5",
-    "cordova-plugin-fingerprint-aio": "3.0.1"
+    "cordova-plugin-fingerprint-aio": "3.0.1",
+    "cordova-plugin-prevent-screenshot-coffice": "1.0.1"
   };
 });
\ No newline at end of file
diff --git a/platforms/android/app/src/main/assets/www/js/main.js b/platforms/android/app/src/main/assets/www/js/main.js
index 78b896f..f302033 100644
--- a/platforms/android/app/src/main/assets/www/js/main.js
+++ b/platforms/android/app/src/main/assets/www/js/main.js
@@ -44,6 +44,7 @@
           }
          });
         var uid = window.localStorage.getItem("uid");
+
         window.JPush.setAlias({ sequence: 1, alias: uid },
           (result) => {
             var sequence = result.sequence
diff --git a/platforms/android/app/src/main/assets/www/js/qrcode.js b/platforms/android/app/src/main/assets/www/js/qrcode.js
index 2b06b32..016f2d7 100644
--- a/platforms/android/app/src/main/assets/www/js/qrcode.js
+++ b/platforms/android/app/src/main/assets/www/js/qrcode.js
@@ -26,6 +26,8 @@
                e.preventDefault();
                app.backTo();
             }, false);
+
+        window.plugins.preventscreenshot.disable(function(ret){}, function(ret){});
     },
     loadQrcode: function() {
         $.showLoading("加载中");
diff --git a/platforms/android/app/src/main/java/com/coffice/ScreenshotBlocker.java b/platforms/android/app/src/main/java/com/coffice/ScreenshotBlocker.java
new file mode 100644
index 0000000..fe9cde3
--- /dev/null
+++ b/platforms/android/app/src/main/java/com/coffice/ScreenshotBlocker.java
@@ -0,0 +1,63 @@
+package com.coffice;
+
+import android.app.Activity;
+import android.view.WindowManager;
+
+import org.apache.cordova.*;
+import org.json.JSONArray;
+import org.json.JSONException;
+
+public class ScreenshotBlocker extends CordovaPlugin{
+    private com.coffice.ScreenshotBlocker mContext;
+
+    @Override
+    public void initialize(CordovaInterface cordova, CordovaWebView webView) {
+        super.initialize(cordova, webView);
+        Activity activity = this.cordova.getActivity();
+        activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
+    }
+
+    @Override
+    public boolean execute(String action, JSONArray data, final CallbackContext callbackContext) throws JSONException {
+        mContext = this;
+        if (action.equals("enable")) {
+            mContext.cordova.getActivity().runOnUiThread(new Runnable() {
+                public void run() {
+                    try{
+                        // Allow to make screenshots removing the FLAG_SECURE
+                        if(android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB) {
+                            mContext.cordova.getActivity().getWindow().clearFlags(WindowManager.LayoutParams.FLAG_SECURE);
+                        }
+                        callbackContext.success("Success");
+                    }catch(Exception e){
+                        callbackContext.error(e.toString());
+                    }
+                }
+            });
+
+            return true;
+        }else if (action.equals("disable")) {
+            mContext.cordova.getActivity().runOnUiThread(new Runnable() {
+                public void run() {
+                    try{
+                        // Allow to make screenshots removing the FLAG_SECURE
+                        // Disable the creation of screenshots adding the FLAG_SECURE to the window
+                        if(android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB) {
+                            mContext.cordova.getActivity().getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE,
+                                    WindowManager.LayoutParams.FLAG_SECURE);
+                        }
+                        callbackContext.success("Success");
+                    }catch(Exception e){
+                        callbackContext.error(e.toString());
+                    }
+                }
+            });
+            return true;
+        }
+        else{
+            return false;
+        }
+
+    }
+
+}
diff --git a/platforms/android/app/src/main/res/xml/config.xml b/platforms/android/app/src/main/res/xml/config.xml
index ca7b3a0..019dfb6 100644
--- a/platforms/android/app/src/main/res/xml/config.xml
+++ b/platforms/android/app/src/main/res/xml/config.xml
@@ -43,6 +43,10 @@
     <feature name="Fingerprint">
         <param name="android-package" value="de.niklasmerz.cordova.biometric.Fingerprint" />
     </feature>
+    <feature name="screenshotName">
+        <param name="android-package" value="com.coffice.ScreenshotBlocker" />
+        <param name="onload" value="true" />
+    </feature>
     <name short="大理智警">dlapp</name>
     <description>
         A sample Apache Cordova application that responds to the deviceready event.
diff --git a/platforms/android/platform_www/cordova_plugins.js b/platforms/android/platform_www/cordova_plugins.js
index dbec6c3..a989701 100644
--- a/platforms/android/platform_www/cordova_plugins.js
+++ b/platforms/android/platform_www/cordova_plugins.js
@@ -343,6 +343,14 @@
       "clobbers": [
         "Fingerprint"
       ]
+    },
+    {
+      "id": "cordova-plugin-prevent-screenshot-coffice.screenshot",
+      "file": "plugins/cordova-plugin-prevent-screenshot-coffice/www/screenshot.js",
+      "pluginId": "cordova-plugin-prevent-screenshot-coffice",
+      "clobbers": [
+        "window.plugins.preventscreenshot"
+      ]
     }
   ];
   module.exports.metadata = {
@@ -363,6 +371,7 @@
     "cordova-plugin-app-version": "0.1.9",
     "cordova-plugin-wkwebview-engine": "1.2.1",
     "cordova-plugin-brightness": "0.1.5",
-    "cordova-plugin-fingerprint-aio": "3.0.1"
+    "cordova-plugin-fingerprint-aio": "3.0.1",
+    "cordova-plugin-prevent-screenshot-coffice": "1.0.1"
   };
 });
\ No newline at end of file
diff --git a/platforms/android/platform_www/js/ourcodeworldpreventscreenshots.js b/platforms/android/platform_www/js/ourcodeworldpreventscreenshots.js
new file mode 100644
index 0000000..027f152
--- /dev/null
+++ b/platforms/android/platform_www/js/ourcodeworldpreventscreenshots.js
@@ -0,0 +1,42 @@
+/*global cordova, module*/
+(function(module){
+    function PreventScreenshots(){
+        var core = {};
+        var isEnabled = true;
+
+        var callFunctionIfExists = function(fn,params){
+            if(typeof(fn) !== "function"){
+                return false;
+            }
+
+            fn.call();
+            return true;
+        };
+
+        core.enable = function(success,error){
+            cordova.exec(function(data){
+                isEnabled = true;
+                callFunctionIfExists(success);
+            }, function(err){
+                callFunctionIfExists(error);
+            }, "OurCodeWorldpreventscreenshots", "enable", []);
+        };
+
+        core.disable = function(success,error){
+            cordova.exec(function(data){
+                isEnabled = false;
+                callFunctionIfExists(success);
+            }, function(err){
+                callFunctionIfExists(error);
+            }, "OurCodeWorldpreventscreenshots", "disable", []);
+        };
+
+        core.isEnabled = function(){
+            return isEnabled;
+        };
+
+        return core;
+    }
+
+    module.exports = new PreventScreenshots();
+})(module);
diff --git a/platforms/android/platform_www/plugins/com.ourcodeworld.preventscreenshots/www/ourcodeworldpreventscreenshots.js b/platforms/android/platform_www/plugins/com.ourcodeworld.preventscreenshots/www/ourcodeworldpreventscreenshots.js
new file mode 100644
index 0000000..e6e6879
--- /dev/null
+++ b/platforms/android/platform_www/plugins/com.ourcodeworld.preventscreenshots/www/ourcodeworldpreventscreenshots.js
@@ -0,0 +1,45 @@
+cordova.define("com.ourcodeworld.preventscreenshots.OurCodeWorldpreventscreenshots", function(require, exports, module) {
+/*global cordova, module*/
+(function(module){
+    function PreventScreenshots(){
+        var core = {};
+        var isEnabled = true;
+
+        var callFunctionIfExists = function(fn,params){
+            if(typeof(fn) !== "function"){
+                return false;
+            }
+
+            fn.call();
+            return true;
+        };
+
+        core.enable = function(success,error){
+            cordova.exec(function(data){
+                isEnabled = true;
+                callFunctionIfExists(success);
+            }, function(err){
+                callFunctionIfExists(error);
+            }, "OurCodeWorldpreventscreenshots", "enable", []);
+        };
+
+        core.disable = function(success,error){
+            cordova.exec(function(data){
+                isEnabled = false;
+                callFunctionIfExists(success);
+            }, function(err){
+                callFunctionIfExists(error);
+            }, "OurCodeWorldpreventscreenshots", "disable", []);
+        };
+
+        core.isEnabled = function(){
+            return isEnabled;
+        };
+
+        return core;
+    }
+
+    module.exports = new PreventScreenshots();
+})(module);
+
+});
diff --git a/platforms/android/platform_www/plugins/cordova-plugin-prevent-screenshot-coffice/www/screenshot.js b/platforms/android/platform_www/plugins/cordova-plugin-prevent-screenshot-coffice/www/screenshot.js
new file mode 100644
index 0000000..eaf17d5
--- /dev/null
+++ b/platforms/android/platform_www/plugins/cordova-plugin-prevent-screenshot-coffice/www/screenshot.js
@@ -0,0 +1,40 @@
+cordova.define("cordova-plugin-prevent-screenshot-coffice.screenshot", function(require, exports, module) {
+var screenshot = {
+  enable: function (successCallback, errorCallback) {
+    cordova.exec(successCallback, errorCallback, 'screenshotName', 'enable', []);
+  },
+  disable: function (successCallback, errorCallback) {
+    cordova.exec(successCallback, errorCallback, 'screenshotName', 'disable', []);
+  },
+  registerListener : function(callback) {
+    cordova.exec(callback, callback, 'screenshotName', 'listen', []);
+
+  }
+}
+
+cordova.addConstructor(function () {
+  if (!window.plugins) {window.plugins = {};}
+
+  window.plugins.preventscreenshot = screenshot;
+  document.addEventListener("onTookScreenshot",function(){
+    console.log('tookScreenshot');
+  });
+  document.addEventListener("onGoingBackground",function(){
+    console.log('BackgroundCalled');
+  });
+  screenshot.registerListener(function(me) {
+    console.log('received listener:',me);
+    if(me === "background") {
+      var event = new Event('onGoingBackground');
+      document.dispatchEvent(event);
+      return;
+    }
+    if(me === "tookScreenshot") {
+      var event = new Event('onTookScreenshot');
+      document.dispatchEvent(event);
+      return;
+    }
+  });
+  return window.plugins.preventscreenshot;
+});
+});