Add ability to toggle password visibility

app/src/main/res/layout/activity_auth.xml

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:fitsSystemWindows="true"
@@ -25,24 +26,38 @@
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             android:layout_marginTop="12dp">
+
             <TextView
+                android:id="@+id/textView4"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-                android:id="@+id/textView4"
                 android:text="@string/authentication_enter_password"
-                android:textColor="?attr/secondaryText"/>
-            <EditText
+                android:textColor="?attr/secondaryText" />
+
+            <com.google.android.material.textfield.TextInputLayout
                 android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:inputType="textPassword"
-                android:id="@+id/text_password"/>
+                android:layout_height="0dp"
+                android:layout_weight="1"
+                app:hintEnabled="false"
+                app:passwordToggleEnabled="true"
+                app:passwordToggleTint="#949494">
+
+                <com.google.android.material.textfield.TextInputEditText
+                    android:id="@+id/text_password"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:inputType="textPassword" />
+            </com.google.android.material.textfield.TextInputLayout>
+
             <Button
                 android:id="@+id/button_decrypt"
-                android:minWidth="125dp"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
+                android:minWidth="125dp"
                 android:text="@string/unlock" />
+
         </LinearLayout>
+
         <LinearLayout
             android:id="@+id/box_fingerprint"
             android:orientation="horizontal"