Render widgets in background

app/src/main/java/org/isoron/uhabits/views/CheckmarkView.java

@@ -178,9 +178,7 @@ public class CheckmarkView extends View implements HabitDataView
         padding = 8 * leftMargin;
         textPaint.setTextSize(0.15f * width);
 
-        labelLayout = new StaticLayout(label, textPaint,
+        updateLabel();
-                (int) (width - 2 * leftMargin - 2 * padding),
-                Layout.Alignment.ALIGN_CENTER, 1.0f, 0.0f, false);
     }
 
     public void refreshData()
@@ -190,8 +188,15 @@ public class CheckmarkView extends View implements HabitDataView
                 Color.blue(habit.color));
         this.label = habit.name;
 
-        textPaint.setColor(Color.WHITE);
+        updateLabel();
         postInvalidate();
-        requestLayout();
+    }
+
+    private void updateLabel()
+    {
+        textPaint.setColor(Color.WHITE);
+        labelLayout = new StaticLayout(label, textPaint,
+                (int) (width - 2 * leftMargin - 2 * padding),
+                Layout.Alignment.ALIGN_CENTER, 1.0f, 0.0f, false);
     }
 }

app/src/main/java/org/isoron/uhabits/widgets/BaseWidgetProvider.java

@@ -34,9 +34,10 @@ import android.view.View;
 import android.widget.ImageView;
 import android.widget.RemoteViews;
 
-import org.isoron.uhabits.helpers.UIHelper;
 import org.isoron.uhabits.R;
+import org.isoron.uhabits.helpers.UIHelper;
 import org.isoron.uhabits.models.Habit;
+import org.isoron.uhabits.tasks.BaseTask;
 
 import java.io.FileOutputStream;
 import java.io.IOException;
@@ -92,12 +93,12 @@ public abstract class BaseWidgetProvider extends AppWidgetProvider
         }
     }
 
-    private void updateWidget(Context context, AppWidgetManager manager, int widgetId, Bundle options)
+    private void updateWidget(Context context, AppWidgetManager manager,
+                              int widgetId, Bundle options)
     {
         updateWidgetSize(context, options);
 
         Context appContext = context.getApplicationContext();
-        RemoteViews remoteViews = new RemoteViews(context.getPackageName(), getLayoutId());
         SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(appContext);
 
         Long habitId = prefs.getLong(getHabitIdKey(widgetId), -1L);
@@ -112,24 +113,11 @@ public abstract class BaseWidgetProvider extends AppWidgetProvider
             return;
         }
 
-        View widgetView = buildCustomView(context, habit);
+        new RenderWidgetTask(widgetId, context, habit, manager).execute();
-        measureCustomView(context, width, height, widgetView);
-
-        widgetView.setDrawingCacheEnabled(true);
-        widgetView.buildDrawingCache(true);
-        Bitmap drawingCache = widgetView.getDrawingCache();
-
-        remoteViews.setTextViewText(R.id.label, habit.name);
-        remoteViews.setImageViewBitmap(R.id.imageView, drawingCache);
-
-        //savePreview(context, widgetId, drawingCache);
-
-        PendingIntent onClickIntent = getOnClickPendingIntent(context, habit);
-        if(onClickIntent != null) remoteViews.setOnClickPendingIntent(R.id.imageView, onClickIntent);
-
-        manager.updateAppWidget(widgetId, remoteViews);
     }
 
+    protected abstract void refreshCustomViewData(View widgetView);
+
     private void savePreview(Context context, int widgetId, Bitmap widgetCache)
     {
         try
@@ -204,4 +192,61 @@ public abstract class BaseWidgetProvider extends AppWidgetProvider
         customView.measure(specWidth, specHeight);
         customView.layout(0, 0, customView.getMeasuredWidth(), customView.getMeasuredHeight());
     }
+
+    private class RenderWidgetTask extends BaseTask
+    {
+        private final int widgetId;
+        private final Context context;
+        private final Habit habit;
+        private final AppWidgetManager manager;
+        public RemoteViews remoteViews;
+        public View widgetView;
+
+        public RenderWidgetTask(int widgetId, Context context, Habit habit,
+                                AppWidgetManager manager)
+        {
+            this.widgetId = widgetId;
+            this.context = context;
+            this.habit = habit;
+            this.manager = manager;
+        }
+
+        @Override
+        protected void onPreExecute()
+        {
+            super.onPreExecute();
+
+            remoteViews = new RemoteViews(context.getPackageName(), getLayoutId());
+            widgetView = buildCustomView(context, habit);
+            measureCustomView(context, width, height, widgetView);
+            manager.updateAppWidget(widgetId, remoteViews);
+        }
+
+        @Override
+        protected Void doInBackground(Void... params)
+        {
+            refreshCustomViewData(widgetView);
+            return null;
+        }
+
+        @Override
+        protected void onPostExecute(Void aVoid)
+        {
+            widgetView.invalidate();
+            widgetView.setDrawingCacheEnabled(true);
+            widgetView.buildDrawingCache(true);
+            Bitmap drawingCache = widgetView.getDrawingCache();
+            remoteViews.setTextViewText(R.id.label, habit.name);
+            remoteViews.setImageViewBitmap(R.id.imageView, drawingCache);
+
+            savePreview(context, widgetId, drawingCache);
+
+            PendingIntent onClickIntent = getOnClickPendingIntent(context, habit);
+            if(onClickIntent != null) remoteViews.setOnClickPendingIntent(R.id.imageView, onClickIntent);
+
+            manager.updateAppWidget(widgetId, remoteViews);
+
+            super.onPostExecute(aVoid);
+        }
+    }
 }

app/src/main/java/org/isoron/uhabits/widgets/CheckmarkWidgetProvider.java

@@ -26,6 +26,7 @@ import org.isoron.uhabits.HabitBroadcastReceiver;
 import org.isoron.uhabits.R;
 import org.isoron.uhabits.models.Habit;
 import org.isoron.uhabits.views.CheckmarkView;
+import org.isoron.uhabits.views.HabitDataView;
 
 public class CheckmarkWidgetProvider extends BaseWidgetProvider
 {
@@ -37,6 +38,12 @@ public class CheckmarkWidgetProvider extends  BaseWidgetProvider
         return view;
     }
 
+    @Override
+    protected void refreshCustomViewData(View view)
+    {
+        ((HabitDataView) view).refreshData();
+    }
+
     @Override
     protected PendingIntent getOnClickPendingIntent(Context context, Habit habit)
     {
@@ -60,4 +67,6 @@ public class CheckmarkWidgetProvider extends  BaseWidgetProvider
     {
         return R.layout.widget_checkmark;
     }
+
+
 }

app/src/main/java/org/isoron/uhabits/widgets/FrequencyWidgetProvider.java

@@ -26,6 +26,7 @@ import android.view.View;
 import org.isoron.uhabits.HabitBroadcastReceiver;
 import org.isoron.uhabits.R;
 import org.isoron.uhabits.models.Habit;
+import org.isoron.uhabits.views.HabitDataView;
 import org.isoron.uhabits.views.HabitFrequencyView;
 
 public class FrequencyWidgetProvider extends BaseWidgetProvider
@@ -39,6 +40,12 @@ public class FrequencyWidgetProvider extends BaseWidgetProvider
         return view;
     }
 
+    @Override
+    protected void refreshCustomViewData(View view)
+    {
+        ((HabitDataView) view).refreshData();
+    }
+
     @Override
     protected PendingIntent getOnClickPendingIntent(Context context, Habit habit)
     {

app/src/main/java/org/isoron/uhabits/widgets/HistoryWidgetProvider.java

@@ -25,6 +25,7 @@ import android.view.View;
 import org.isoron.uhabits.HabitBroadcastReceiver;
 import org.isoron.uhabits.R;
 import org.isoron.uhabits.models.Habit;
+import org.isoron.uhabits.views.HabitDataView;
 import org.isoron.uhabits.views.HabitHistoryView;
 
 public class HistoryWidgetProvider extends  BaseWidgetProvider
@@ -38,6 +39,12 @@ public class HistoryWidgetProvider extends  BaseWidgetProvider
         return view;
     }
 
+    @Override
+    protected void refreshCustomViewData(View view)
+    {
+        ((HabitDataView) view).refreshData();
+    }
+
     @Override
     protected PendingIntent getOnClickPendingIntent(Context context, Habit habit)
     {

app/src/main/java/org/isoron/uhabits/widgets/ScoreWidgetProvider.java

@@ -25,6 +25,7 @@ import android.view.View;
 import org.isoron.uhabits.HabitBroadcastReceiver;
 import org.isoron.uhabits.R;
 import org.isoron.uhabits.models.Habit;
+import org.isoron.uhabits.views.HabitDataView;
 import org.isoron.uhabits.views.HabitScoreView;
 
 public class ScoreWidgetProvider extends  BaseWidgetProvider
@@ -38,6 +39,12 @@ public class ScoreWidgetProvider extends  BaseWidgetProvider
         return view;
     }
 
+    @Override
+    protected void refreshCustomViewData(View view)
+    {
+        ((HabitDataView) view).refreshData();
+    }
+
     @Override
     protected PendingIntent getOnClickPendingIntent(Context context, Habit habit)
     {

app/src/main/java/org/isoron/uhabits/widgets/StreakWidgetProvider.java

@@ -25,6 +25,7 @@ import android.view.View;
 import org.isoron.uhabits.HabitBroadcastReceiver;
 import org.isoron.uhabits.R;
 import org.isoron.uhabits.models.Habit;
+import org.isoron.uhabits.views.HabitDataView;
 import org.isoron.uhabits.views.HabitStreakView;
 
 public class StreakWidgetProvider extends  BaseWidgetProvider
@@ -38,6 +39,12 @@ public class StreakWidgetProvider extends  BaseWidgetProvider
         return view;
     }
 
+    @Override
+    protected void refreshCustomViewData(View view)
+    {
+        ((HabitDataView) view).refreshData();
+    }
+
     @Override
     protected PendingIntent getOnClickPendingIntent(Context context, Habit habit)
     {