show progress dialog while creating webview dialog

README.md

@@ -29,7 +29,7 @@ allprojects {
 Add this to your module-level `build.gradle`:
 ```
 dependencies {
-  compile 'com.github.PierfrancescoSoffritti:WebBasedOAuth:0.5'
+  compile 'com.github.PierfrancescoSoffritti:WebBasedOAuth:0.6'
 }
 ```
 ## Usage

webbasedoauth/src/main/java/com/pierfrancescosoffritti/webbasedoauth/Authenticator.java

@@ -3,6 +3,7 @@
 import android.annotation.SuppressLint;
 import android.app.Activity;
 import android.app.Dialog;
+import android.app.ProgressDialog;
 import android.content.DialogInterface;
 import android.graphics.Bitmap;
 import android.net.Uri;
@@ -51,6 +52,8 @@ public class Authenticator  {
 
     private final Semaphore available = new Semaphore(0, true);
 
+    private final ProgressDialog progressDialog;
+
     /**
      * @param context base activity.
      * @param persister responsible for storing the auth credentials.
@@ -79,6 +82,11 @@ public Authenticator(@NonNull Activity context, @NonNull CredentialPersister per
         this.clientSecret = clientSecret;
 
         this.credentialStore = new CredentialStore(persister);
+
+        progressDialog = new ProgressDialog(context);
+        progressDialog.setMessage(context.getString(R.string.loading));
+        progressDialog.setIndeterminate(true);
+        progressDialog.setCancelable(true);
     }
 
     private String buildScopesString(String[] scopes) {
@@ -196,6 +204,8 @@ private void refreshToken() {
      */
     @SuppressLint("SetJavaScriptEnabled")
     private void showDialog(final CredentialStore credentialStore) {
+        progressDialog.show();
+
         final Dialog authDialog = new Dialog(context);
         authDialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
 
@@ -234,6 +244,7 @@ public void onDismiss(DialogInterface dialog) {
 
             @Override
             public void onPageStarted(WebView view, String url, Bitmap favicon){
+                progressDialog.dismiss();
             }
 
             @Override