Added READ_CONTACTS permission to be able to access accounts

README.md

@@ -188,6 +188,7 @@ Some functions require permissions on __Android__. The plugin itself does not ad
 | ---------- | ----------- |
 | `cordova.plugins.email.permission.READ_EXTERNAL_STORAGE` | Is needed to attach external files `file:///` located outside of the app's own file system. |
 | `cordova.plugins.email.permission.GET_ACCOUNTS` | Without the permission the `hasAccount()` function wont be able to look for email accounts. |
+| `cordova.plugins.email.permission.READ_CONTACTS` | Without the permission the `hasAccount()` function wont be able to look for email accounts. |
 
 To check if a permission has been granted:
 
@@ -202,7 +203,16 @@ cordova.plugins.email.requestPermission(permission, callbackFn);
 ```
 
 __Note:__ The author of the app has to make sure that the permission is listed in the manifest.
-
+For __Android__ you may add the following lines to config.xml to achieve this: 
+```xml
+<platform name="android">
+    <config-file target="app/src/main/AndroidManifest.xml" parent="/manifest">
+        <uses-permission android:name="android.permission.GET_ACCOUNTS"/>
+        <uses-permission android:name="android.permission.READ_CONTACTS"/>
+        <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
+    </config-file>
+</platform>
+```
 
 ## Contributing
 

src/android/EmailComposer.java

@@ -36,8 +36,7 @@ Licensed to the Apache Software Foundation (ASF) under one
 import java.util.ArrayList;
 import java.util.List;
 
-import static android.Manifest.permission.GET_ACCOUNTS;
-import static android.Manifest.permission.READ_EXTERNAL_STORAGE;
+import static android.Manifest.permission.*;
 import static android.content.pm.PackageManager.PERMISSION_GRANTED;
 
 @SuppressWarnings({"Convert2Diamond", "Convert2Lambda"})
@@ -185,41 +184,51 @@ public void run() {
      *
      * @param code The code number of the permission to check for.
      */
-    private void check(int code) {
-        check(getPermission(code));
+    private void check(int code){
+        check(getPermissions(code));
     }
 
     /**
-     * Check if the given permission has been granted.
+     * Check if the given permissions have been granted.
      *
-     * @param permission The permission to check for.
+     * @param permissions The permissions to check for.
      */
-    private void check(String permission) {
-        Boolean granted = cordova.hasPermission(permission);
-        sendResult(new PluginResult(Status.OK, granted));
+    private void check(String... permissions){
+        for (int i = 0; i < permissions.length; i++)
+        {
+            if (!cordova.hasPermission(permissions[i]))
+            {
+                sendResult(new PluginResult(Status.OK, false));
+                return;
+            }
+        }
+        sendResult(new PluginResult(Status.OK, true));
     }
 
     /**
      * Request given permission.
      *
      * @param code The code number of the permission to request for.
      */
-    private void request(int code) {
-        cordova.requestPermission(this, code, getPermission(code));
+    private void request(int code){
+       cordova.requestPermissions(this, code, getPermissions(code));
     }
 
     /**
-     * Returns the corresponding permission for the internal code.
+     * Returns the corresponding permissions for the internal code.
      *
      * @param code The internal code number.
-     *
-     * @return The Android permission string or "".
+     * @return Array of the the Android permission strings or [].
      */
-    private String getPermission(int code) {
-        switch (code) {
-            case 1:  return READ_EXTERNAL_STORAGE;
-            case 2:  return GET_ACCOUNTS;
-            default: return "";
+    private String[] getPermissions(int code){
+        switch (code)
+        {
+            case 1:
+                return new String[]{READ_EXTERNAL_STORAGE};
+            case 2:
+                return new String[]{GET_ACCOUNTS, READ_CONTACTS}; // see https://stackoverflow.com/a/54941079/4094951
+            default:
+                return new String[0];
         }
     }
 
@@ -261,14 +270,11 @@ public void onActivityResult(int reqCode, int resCode, Intent intent) {
      */
     @Override
     public void onRequestPermissionResult(int code, String[] permissions,
-                                          int[] grantResults) {
-
+                                          int[] grantResults){
         List<PluginResult> messages = new ArrayList<PluginResult>();
-        Boolean granted             = false;
-
-        if (grantResults.length > 0) {
-            granted = grantResults[0] == PERMISSION_GRANTED;
-        }
+        boolean granted = true;
+        for (int i = 0; i < grantResults.length; i++)
+            granted = granted && (grantResults[i] == PERMISSION_GRANTED);
 
         messages.add(new PluginResult(Status.OK, granted));
         messages.add(new PluginResult(Status.OK, code));