Added do not show again option for changelog

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

@@ -1531,6 +1531,7 @@ public class ActivityView extends ActivityBilling implements FragmentManager.OnB
 
                 Bundle args = new Bundle();
                 args.putString("name", "CHANGELOG.md");
+                args.putString("option", "show_changelog");
                 FragmentDialogMarkdown fragment = new FragmentDialogMarkdown();
                 fragment.setArguments(args);
                 fragment.show(getSupportFragmentManager(), "changelog");

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

@@ -21,11 +21,16 @@ package eu.faircode.email;
 
 import android.app.Dialog;
 import android.content.Context;
+import android.content.SharedPreferences;
 import android.os.Bundle;
 import android.text.Spanned;
+import android.text.TextUtils;
 import android.view.LayoutInflater;
 import android.view.View;
+import android.view.ViewGroup;
 import android.view.WindowManager;
+import android.widget.CheckBox;
+import android.widget.CompoundButton;
 import android.widget.ImageButton;
 import android.widget.TextView;
 
@@ -33,6 +38,7 @@ import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.constraintlayout.widget.Group;
 import androidx.core.text.method.LinkMovementMethodCompat;
+import androidx.preference.PreferenceManager;
 
 import java.io.InputStream;
 
@@ -43,14 +49,27 @@ public class FragmentDialogMarkdown extends FragmentDialogBase {
     @NonNull
     @Override
     public Dialog onCreateDialog(@Nullable Bundle savedInstanceState) {
-        final View dview = LayoutInflater.from(getContext()).inflate(R.layout.dialog_markdown, null);
+        final Context context = getContext();
+
+        String option = getArguments().getString("option");
+        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
+
+        final View dview = LayoutInflater.from(context).inflate(R.layout.dialog_markdown, null);
         final TextView tvMarkdown = dview.findViewById(R.id.tvMarkdown);
+        final CheckBox cbNotAgain = dview.findViewById(R.id.cbNotAgain);
         final ImageButton ibCancel = dview.findViewById(R.id.ibCancel);
         final ContentLoadingProgressBar pbWait = dview.findViewById(R.id.pbWait);
         final Group grpReady = dview.findViewById(R.id.grpReady);
 
         tvMarkdown.setText(null);
 
+        cbNotAgain.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+            @Override
+            public void onCheckedChanged(CompoundButton buttonView, boolean checked) {
+                prefs.edit().putBoolean(option, !checked).apply();
+            }
+        });
+
         ibCancel.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
@@ -58,23 +77,22 @@ public class FragmentDialogMarkdown extends FragmentDialogBase {
             }
         });
 
-        Dialog dialog = new Dialog(getContext());
+        Dialog dialog = new Dialog(context);
         //dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
         dialog.setContentView(dview);
-        dialog.getWindow().setLayout(
-                WindowManager.LayoutParams.MATCH_PARENT,
-                WindowManager.LayoutParams.WRAP_CONTENT);
 
         new SimpleTask<Spanned>() {
             @Override
             protected void onPreExecute(Bundle args) {
                 grpReady.setVisibility(View.GONE);
+                cbNotAgain.setVisibility(View.GONE);
                 pbWait.setVisibility(View.VISIBLE);
             }
 
             @Override
             protected void onPostExecute(Bundle args) {
                 grpReady.setVisibility(View.VISIBLE);
+                cbNotAgain.setVisibility(TextUtils.isEmpty(option) ? View.GONE : View.VISIBLE);
                 pbWait.setVisibility(View.GONE);
             }
 
@@ -121,4 +139,10 @@ public class FragmentDialogMarkdown extends FragmentDialogBase {
 
         return dialog;
     }
-}
+
+    @Override
+    public void onStart() {
+        super.onStart();
+        getDialog().getWindow().setLayout(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);
+    }
+}

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

@@ -3,17 +3,19 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
-    android:layout_height="wrap_content"
+    android:layout_height="match_parent"
+    android:padding="24dp"
     tools:context="eu.faircode.email.ActivityView">
 
     <ScrollView
         android:id="@+id/scroll"
         android:layout_width="0dp"
-        android:layout_height="wrap_content"
+        android:layout_height="0dp"
+        android:fadeScrollbars="false"
         android:minHeight="120dp"
         android:orientation="vertical"
-        android:padding="24dp"
-        android:scrollbarStyle="outsideOverlay"
+        android:scrollbarStyle="outsideInset"
+        app:layout_constraintBottom_toTopOf="@+id/cbNotAgain"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent">
@@ -34,13 +36,25 @@
         </androidx.constraintlayout.widget.ConstraintLayout>
     </ScrollView>
 
+    <CheckBox
+        android:id="@+id/cbNotAgain"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="12dp"
+        android:text="@string/title_no_show_again"
+        android:textAppearance="@style/TextAppearance.AppCompat.Small"
+        android:textColor="?attr/colorWarning"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/scroll" />
+
     <ImageButton
         android:id="@+id/ibCancel"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:background="?android:attr/selectableItemBackgroundBorderless"
         android:contentDescription="@android:string/no"
-        android:padding="12dp"
+        android:paddingEnd="12dp"
         android:tooltipText="@android:string/no"
         app:layout_constraintEnd_toEndOf="@+id/scroll"
         app:layout_constraintTop_toTopOf="@+id/scroll"

app/src/main/res/values/strings.xml

@@ -2344,6 +2344,7 @@
     <string name="title_ask_what">Ask what to do</string>
     <string name="title_no_ask_again">Do not ask this again</string>
     <string name="title_no_ask_for_again">Do not ask this again for %1$s</string>
+    <string name="title_no_show_again">Do not show this again</string>
     <string name="title_undo_privacy">This can be undone in the privacy-settings tab page</string>
     <string name="title_no_body">No message text found</string>
     <string name="title_large_body">This message is very large and this may cause problems!</string>