Allow setting message widget font size

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

@@ -46,12 +46,14 @@ public class ActivityWidgetUnified extends ActivityBase {
     private CheckBox cbUnseen;
     private CheckBox cbFlagged;
     private CheckBox cbSemiTransparent;
+    private Spinner spFontSize;
     private Button btnSave;
     private ContentLoadingProgressBar pbWait;
     private Group grpReady;
 
     private ArrayAdapter<EntityAccount> adapterAccount;
     private ArrayAdapter<TupleFolderEx> adapterFolder;
+    private ArrayAdapter<String> adapterFontSize;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -74,6 +76,7 @@ public class ActivityWidgetUnified extends ActivityBase {
         cbUnseen = findViewById(R.id.cbUnseen);
         cbFlagged = findViewById(R.id.cbFlagged);
         cbSemiTransparent = findViewById(R.id.cbSemiTransparent);
+        spFontSize = findViewById(R.id.spFontSize);
         btnSave = findViewById(R.id.btnSave);
         pbWait = findViewById(R.id.pbWait);
         grpReady = findViewById(R.id.grpReady);
@@ -89,6 +92,7 @@ public class ActivityWidgetUnified extends ActivityBase {
 
                 SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(ActivityWidgetUnified.this);
                 SharedPreferences.Editor editor = prefs.edit();
+
                 if (account != null && account.id > 0)
                     if (folder != null && folder.id > 0)
                         editor.putString("widget." + appWidgetId + ".name", folder.getDisplayName(ActivityWidgetUnified.this));
@@ -96,12 +100,15 @@ public class ActivityWidgetUnified extends ActivityBase {
                         editor.putString("widget." + appWidgetId + ".name", account.name);
                 else
                     editor.remove("widget." + appWidgetId + ".name");
+
                 editor.putLong("widget." + appWidgetId + ".account", account == null ? -1L : account.id);
                 editor.putLong("widget." + appWidgetId + ".folder", folder == null ? -1L : folder.id);
                 editor.putString("widget." + appWidgetId + ".type", folder == null ? null : folder.type);
                 editor.putBoolean("widget." + appWidgetId + ".unseen", cbUnseen.isChecked());
                 editor.putBoolean("widget." + appWidgetId + ".flagged", cbFlagged.isChecked());
                 editor.putBoolean("widget." + appWidgetId + ".semi", cbSemiTransparent.isChecked());
+                editor.putInt("widget." + appWidgetId + ".font", spFontSize.getSelectedItemPosition());
+
                 editor.apply();
 
                 WidgetUnified.init(ActivityWidgetUnified.this, appWidgetId);
@@ -171,6 +178,11 @@ public class ActivityWidgetUnified extends ActivityBase {
             }
         });
 
+        String[] sizes = getResources().getStringArray(R.array.fontSizeNames);
+        adapterFontSize = new ArrayAdapter<>(this, R.layout.spinner_item1, android.R.id.text1, sizes);
+        adapterFontSize.setDropDownViewResource(R.layout.spinner_item1_dropdown);
+        spFontSize.setAdapter(adapterFontSize);
+
         grpReady.setVisibility(View.GONE);
         pbWait.setVisibility(View.VISIBLE);
 

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

@@ -28,6 +28,7 @@ import android.content.Intent;
 import android.content.SharedPreferences;
 import android.graphics.Color;
 import android.net.Uri;
+import android.util.TypedValue;
 import android.widget.RemoteViews;
 
 import androidx.preference.PreferenceManager;
@@ -43,6 +44,7 @@ public class WidgetUnified extends AppWidgetProvider {
             long folder = prefs.getLong("widget." + appWidgetId + ".folder", -1L);
             String type = prefs.getString("widget." + appWidgetId + ".type", null);
             boolean semi = prefs.getBoolean("widget." + appWidgetId + ".semi", true);
+            int font = prefs.getInt("widget." + appWidgetId + ".font", 0);
 
             Intent view = new Intent(context, ActivityView.class);
             view.setAction("folder:" + folder);
@@ -57,6 +59,9 @@ public class WidgetUnified extends AppWidgetProvider {
             if (!semi)
                 views.setInt(R.id.widget, "setBackgroundColor", Color.TRANSPARENT);
 
+            if (font > 0)
+                views.setTextViewTextSize(R.id.title, TypedValue.COMPLEX_UNIT_SP, getFontSizeSp(font));
+
             if (name == null)
                 views.setTextViewText(R.id.title, context.getString(R.string.title_folder_unified));
             else
@@ -83,6 +88,17 @@ public class WidgetUnified extends AppWidgetProvider {
         }
     }
 
+    static int getFontSizeSp(int size) {
+        switch (size) {
+            case 1: // small
+                return 14;
+            case 3: // large
+                return 22;
+            default: // medium
+                return 18;
+        }
+    }
+
     static void init(Context context, int appWidgetId) {
         Log.i("Widget unified init=" + appWidgetId);
 

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

@@ -28,6 +28,7 @@ import android.text.SpannableString;
 import android.text.Spanned;
 import android.text.TextUtils;
 import android.text.style.StyleSpan;
+import android.util.TypedValue;
 import android.view.View;
 import android.widget.RemoteViews;
 import android.widget.RemoteViewsService;
@@ -50,6 +51,7 @@ public class WidgetUnifiedRemoteViewsFactory implements RemoteViewsService.Remot
     private long account;
     private boolean unseen;
     private boolean flagged;
+    private int font;
     private int colorWidgetForeground;
     private int colorWidgetRead;
     private int colorSeparator;
@@ -82,6 +84,7 @@ public class WidgetUnifiedRemoteViewsFactory implements RemoteViewsService.Remot
         folder = prefs.getLong("widget." + appWidgetId + ".folder", -1L);
         unseen = prefs.getBoolean("widget." + appWidgetId + ".unseen", false);
         flagged = prefs.getBoolean("widget." + appWidgetId + ".flagged", false);
+        font = prefs.getInt("widget." + appWidgetId + ".font", 0);
         colorWidgetForeground = ContextCompat.getColor(context, R.color.colorWidgetForeground);
         colorWidgetRead = ContextCompat.getColor(context, R.color.colorWidgetRead);
         colorSeparator = ContextCompat.getColor(context, R.color.lightColorSeparator);
@@ -167,6 +170,15 @@ public class WidgetUnifiedRemoteViewsFactory implements RemoteViewsService.Remot
                 ssAccount.setSpan(new StyleSpan(Typeface.BOLD), 0, ssAccount.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
             }
 
+            if (font > 0) {
+                int text_size = WidgetUnified.getFontSizeSp(font);
+
+                views.setTextViewTextSize(idFrom, TypedValue.COMPLEX_UNIT_SP, text_size);
+                views.setTextViewTextSize(idTime, TypedValue.COMPLEX_UNIT_SP, text_size);
+                views.setTextViewTextSize(idSubject, TypedValue.COMPLEX_UNIT_SP, text_size);
+                views.setTextViewTextSize(idAccount, TypedValue.COMPLEX_UNIT_SP, text_size);
+            }
+
             views.setTextViewText(idFrom, ssFrom);
             views.setTextViewText(idTime, ssTime);
             views.setTextViewText(idSubject, ssSubject);

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

@@ -69,6 +69,24 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@id/cbFlagged" />
 
+    <eu.faircode.email.FixedTextView
+        android:id="@+id/tvFontSize"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="12dp"
+        android:text="@string/title_widget_font_size"
+        android:textAppearance="@style/TextAppearance.AppCompat.Small"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/cbSemiTransparent" />
+
+    <Spinner
+        android:id="@+id/spFontSize"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/tvFontSize" />
+
     <Button
         android:id="@+id/btnSave"
         android:layout_width="wrap_content"
@@ -76,7 +94,7 @@
         android:layout_marginTop="12dp"
         android:text="@string/title_save"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@id/cbSemiTransparent" />
+        app:layout_constraintTop_toBottomOf="@id/spFontSize" />
 
     <eu.faircode.email.ContentLoadingProgressBar
         android:id="@+id/pbWait"

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

@@ -1273,6 +1273,7 @@
     <string name="title_widget_folder_unified">Unified inbox folders</string>
     <string name="title_widget_unseen">Unread messages only</string>
     <string name="title_widget_flagged">Starred messages only</string>
+    <string name="title_widget_font_size">Font size</string>
     <string name="title_widget_semi_transparent">Semi transparent background</string>
 
     <string name="title_accessibility_collapsed">Collapsed</string>