added to login service for android

src/Android/LoginService.cs

@@ -5,6 +5,7 @@ using System.Text;
 using Android.AccessibilityServices;
 using Android.App;
 using Android.Content;
+using Android.Graphics;
 using Android.OS;
 using Android.Runtime;
 using Android.Views;
@@ -18,14 +19,20 @@ namespace Bit.Android
     [MetaData("android.accessibilityservice", Resource = "@xml/accessibilityservice")]
     public class LoginService : AccessibilityService
     {
+        private View mView;
+
+        private WindowManagerLayoutParams mParams;
+        private IWindowManager mWindowManager;
+
         public override void OnAccessibilityEvent(AccessibilityEvent e)
         {
             var eventType = e.EventType;
             switch(eventType)
             {
                 case EventTypes.ViewTextSelectionChanged:
-                    if(e.Source.Password)
+                    if(e.Source.Password && string.IsNullOrWhiteSpace(e.Source.Text))
                     {
+                        MakeWindow();
                         var bundle = new Bundle();
                         bundle.PutCharSequence(AccessibilityNodeInfo.ActionArgumentSetTextCharsequence, "mypassword");
                         e.Source.PerformAction(global::Android.Views.Accessibility.Action.SetText, bundle);
@@ -40,5 +47,40 @@ namespace Bit.Android
         {
 
         }
+
+        public void MakeWindow()
+        {
+            mView = new MyLoadView(this);
+
+            mParams = new WindowManagerLayoutParams(
+                    WindowManagerTypes.SystemOverlay,
+                    WindowManagerFlags.WatchOutsideTouch,
+                    Format.Translucent);
+
+            mParams.Gravity = GravityFlags.Top | GravityFlags.Right;
+            mParams.Title = "Test window";
+
+            mWindowManager = GetSystemService(WindowService).JavaCast<IWindowManager>();
+            mWindowManager.AddView(mView, mParams);
+        }
+
+        public class MyLoadView : View
+        {
+            private Paint mPaint;
+
+            public MyLoadView(Context context)
+                : base(context)
+            {
+                mPaint = new Paint();
+                mPaint.TextSize = 50;
+                mPaint.SetARGB(200, 200, 200, 200);
+            }
+
+            protected override void OnDraw(Canvas canvas)
+            {
+                base.OnDraw(canvas);
+                canvas.DrawText("test test test", 0, 100, mPaint);
+            }
+        }
     }
 }

src/Android/Properties/AndroidManifest.xml

@@ -3,5 +3,6 @@
 	<uses-sdk android:minSdkVersion="15" android:targetSdkVersion="23" />
 	<uses-permission android:name="android.permission.INTERNET" />
 	<uses-permission android:name="android.permission.USE_FINGERPRINT" />
+	<uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" />
 	<application android:label="bitwarden" android:theme="@style/BitwardenTheme"></application>
 </manifest>