Added check for updates button in about

app/src/main/java/eu/faircode/email/FragmentAbout.java

@@ -31,6 +31,7 @@ import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.ImageButton;
 import android.widget.LinearLayout;
 import android.widget.TextView;
 
@@ -51,12 +52,26 @@ public class FragmentAbout extends FragmentBase {
 
         TextView tvVersion = view.findViewById(R.id.tvVersion);
         TextView tvRelease = view.findViewById(R.id.tvRelease);
+        ImageButton ibUpdate = view.findViewById(R.id.ibUpdate);
         TextView tvGplV3 = view.findViewById(R.id.tvGplV3);
         LinearLayout llContributors = view.findViewById(R.id.llContributors);
 
         tvVersion.setText(getString(R.string.title_version, BuildConfig.VERSION_NAME));
         tvRelease.setText(BuildConfig.RELEASE_NAME);
 
+        ibUpdate.setVisibility(
+                Helper.hasValidFingerprint(getContext()) || BuildConfig.DEBUG
+                        ? View.VISIBLE : View.GONE);
+        ibUpdate.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                if (BuildConfig.PLAY_STORE_RELEASE)
+                    Helper.view(v.getContext(), Helper.getIntentRate(v.getContext()));
+                else
+                    onMenuChangelog();
+            }
+        });
+
         tvGplV3.setPaintFlags(tvGplV3.getPaintFlags() | Paint.UNDERLINE_TEXT_FLAG);
         tvGplV3.setOnClickListener(new View.OnClickListener() {
             @Override

app/src/main/res/drawable/twotone_cached_24.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M19,8l-4,4h3c0,3.31 -2.69,6 -6,6 -1.01,0 -1.97,-0.25 -2.8,-0.7l-1.46,1.46C8.97,19.54 10.43,20 12,20c4.42,0 8,-3.58 8,-8h3l-4,-4zM6,12c0,-3.31 2.69,-6 6,-6 1.01,0 1.97,0.25 2.8,0.7l1.46,-1.46C15.03,4.46 13.57,4 12,4c-4.42,0 -8,3.58 -8,8H1l4,4 4,-4H6z"/>
+</vector>

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

@@ -13,6 +13,7 @@
         android:layout_marginStart="12dp"
         android:layout_marginTop="12dp"
         android:layout_marginEnd="12dp"
+        android:lines="1"
         android:text="Version 1.234"
         android:textAppearance="@style/TextAppearance.AppCompat.Medium"
         android:textIsSelectable="true"
@@ -21,26 +22,43 @@
 
     <eu.faircode.email.FixedTextView
         android:id="@+id/tvRelease"
-        android:layout_width="wrap_content"
+        android:layout_width="0dp"
         android:layout_height="wrap_content"
         android:layout_marginStart="6dp"
+        android:ellipsize="end"
+        android:singleLine="true"
         android:text="Dinosaur"
         android:textAppearance="@style/TextAppearance.AppCompat.Medium"
         android:textStyle="italic"
+        app:layout_constraintEnd_toStartOf="@+id/ibUpdate"
         app:layout_constraintStart_toEndOf="@id/tvVersion"
         app:layout_constraintTop_toTopOf="@id/tvVersion" />
 
     <eu.faircode.email.FixedTextView
         android:id="@+id/tvCopyright"
-        android:layout_width="wrap_content"
+        android:layout_width="0dp"
         android:layout_height="wrap_content"
         android:layout_marginStart="12dp"
-        android:layout_marginEnd="12dp"
         android:text="@string/app_copyright"
         android:textAppearance="@style/TextAppearance.AppCompat.Small"
+        app:layout_constraintEnd_toStartOf="@+id/ibUpdate"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@id/tvVersion" />
 
+    <ImageButton
+        android:id="@+id/ibUpdate"
+        android:layout_width="36dp"
+        android:layout_height="36dp"
+        android:layout_marginEnd="12dp"
+        android:background="?android:attr/selectableItemBackgroundBorderless"
+        android:contentDescription="@string/title_more"
+        android:padding="6dp"
+        android:scaleType="fitCenter"
+        app:layout_constraintBottom_toBottomOf="@+id/tvCopyright"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="@id/tvVersion"
+        app:srcCompat="@drawable/twotone_cached_24" />
+
     <eu.faircode.email.ScrollViewEx
         android:layout_width="match_parent"
         android:layout_height="0dp"