Added option to disable widget background

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

@@ -27,6 +27,7 @@ import android.os.Bundle;
 import android.view.View;
 import android.widget.ArrayAdapter;
 import android.widget.Button;
+import android.widget.CheckBox;
 import android.widget.Spinner;
 
 import androidx.constraintlayout.widget.Group;
@@ -39,6 +40,7 @@ public class ActivityWidget extends ActivityBase {
     private int appWidgetId;
 
     private Spinner spAccount;
+    private CheckBox cbSemiTransparent;
     private Button btnSave;
     private ContentLoadingProgressBar pbWait;
     private Group grpReady;
@@ -62,6 +64,7 @@ public class ActivityWidget extends ActivityBase {
         setContentView(R.layout.activity_widget);
 
         spAccount = findViewById(R.id.spAccount);
+        cbSemiTransparent = findViewById(R.id.cbSemiTransparent);
         btnSave = findViewById(R.id.btnSave);
         pbWait = findViewById(R.id.pbWait);
         grpReady = findViewById(R.id.grpReady);
@@ -81,6 +84,7 @@ public class ActivityWidget extends ActivityBase {
                 else
                     editor.remove("widget." + appWidgetId + ".name");
                 editor.putLong("widget." + appWidgetId + ".account", account == null ? -1L : account.id);
+                editor.putBoolean("widget." + appWidgetId + ".semi", cbSemiTransparent.isChecked());
                 editor.apply();
 
                 Widget.init(ActivityWidget.this, appWidgetId);

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

@@ -45,6 +45,7 @@ public class ActivityWidgetUnified extends ActivityBase {
     private Spinner spFolder;
     private CheckBox cbUnseen;
     private CheckBox cbFlagged;
+    private CheckBox cbSemiTransparent;
     private Button btnSave;
     private ContentLoadingProgressBar pbWait;
     private Group grpReady;
@@ -72,6 +73,7 @@ public class ActivityWidgetUnified extends ActivityBase {
         spFolder = findViewById(R.id.spFolder);
         cbUnseen = findViewById(R.id.cbUnseen);
         cbFlagged = findViewById(R.id.cbFlagged);
+        cbSemiTransparent = findViewById(R.id.cbSemiTransparent);
         btnSave = findViewById(R.id.btnSave);
         pbWait = findViewById(R.id.pbWait);
         grpReady = findViewById(R.id.grpReady);
@@ -99,6 +101,7 @@ public class ActivityWidgetUnified extends ActivityBase {
                 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.apply();
 
                 WidgetUnified.init(ActivityWidgetUnified.this, appWidgetId);

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

@@ -26,6 +26,7 @@ import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
+import android.graphics.Color;
 import android.text.TextUtils;
 import android.widget.RemoteViews;
 
@@ -54,6 +55,7 @@ public class Widget extends AppWidgetProvider {
                 for (int appWidgetId : appWidgetIds) {
                     long account = prefs.getLong("widget." + appWidgetId + ".account", -1L);
                     String name = prefs.getString("widget." + appWidgetId + ".name", null);
+                    boolean semi = prefs.getBoolean("widget." + appWidgetId + ".semi", true);
 
                     List<EntityFolder> folders = db.folder().getNotifyingFolders(account);
                     if (folders == null)
@@ -93,6 +95,9 @@ public class Widget extends AppWidgetProvider {
 
                     views.setOnClickPendingIntent(R.id.widget, pi);
 
+                    if (!semi)
+                        views.setInt(R.id.widget, "setBackgroundColor", Color.TRANSPARENT);
+
                     views.setImageViewResource(R.id.ivMessage, unseen == 0
                             ? R.drawable.baseline_mail_outline_24
                             : R.drawable.baseline_mail_24);

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

@@ -26,6 +26,7 @@ import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
+import android.graphics.Color;
 import android.net.Uri;
 import android.view.View;
 import android.widget.RemoteViews;
@@ -42,6 +43,7 @@ public class WidgetUnified extends AppWidgetProvider {
             long account = prefs.getLong("widget." + appWidgetId + ".account", -1L);
             long folder = prefs.getLong("widget." + appWidgetId + ".folder", -1L);
             String type = prefs.getString("widget." + appWidgetId + ".type", null);
+            boolean semi = prefs.getBoolean("widget." + appWidgetId + ".semi", true);
 
             Intent view = new Intent(context, ActivityView.class);
             view.setAction("folder:" + folder);
@@ -53,6 +55,9 @@ public class WidgetUnified extends AppWidgetProvider {
 
             RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.widget_unified);
 
+            if (!semi)
+                views.setInt(R.id.widget, "setBackgroundColor", Color.TRANSPARENT);
+
             views.setViewVisibility(R.id.pro, pro ? View.GONE : View.VISIBLE);
             if (pro) {
                 String name = prefs.getString("widget." + appWidgetId + ".name", null);

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

@@ -22,6 +22,17 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@id/tvAccount" />
 
+    <CheckBox
+        android:id="@+id/cbSemiTransparent"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="12dp"
+        android:checked="true"
+        android:text="@string/title_widget_semi_transparent"
+        android:textAppearance="@style/TextAppearance.AppCompat.Medium"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/spAccount" />
+
     <Button
         android:id="@+id/btnSave"
         android:layout_width="wrap_content"
@@ -29,7 +40,7 @@
         android:layout_marginTop="12dp"
         android:text="@string/title_save"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@id/spAccount" />
+        app:layout_constraintTop_toBottomOf="@id/cbSemiTransparent" />
 
     <eu.faircode.email.ContentLoadingProgressBar
         android:id="@+id/pbWait"

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

@@ -58,6 +58,17 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@id/cbUnseen" />
 
+    <CheckBox
+        android:id="@+id/cbSemiTransparent"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="12dp"
+        android:checked="true"
+        android:text="@string/title_widget_semi_transparent"
+        android:textAppearance="@style/TextAppearance.AppCompat.Medium"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/cbFlagged" />
+
     <Button
         android:id="@+id/btnSave"
         android:layout_width="wrap_content"
@@ -65,7 +76,7 @@
         android:layout_marginTop="12dp"
         android:text="@string/title_save"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@id/cbFlagged" />
+        app:layout_constraintTop_toBottomOf="@id/cbSemiTransparent" />
 
     <eu.faircode.email.ContentLoadingProgressBar
         android:id="@+id/pbWait"

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

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/widget"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:background="@drawable/widget_background"

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

@@ -1230,6 +1230,7 @@
     <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_semi_transparent">Semi transparent background</string>
 
     <string name="title_accessibility_collapsed">Collapsed</string>
     <string name="title_accessibility_expanded">Expanded</string>