CCExtractor · Pavel401 · Feb 18, 2025 · Feb 12, 2025
diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
@@ -36,6 +36,7 @@
 				<action android:name="es.antonborri.home_widget.action.LAUNCH" />
 			  </intent-filter>
         </activity>
+
 		<receiver android:name="TaskWarriorWidgetProvider"
             android:exported="true">
             <intent-filter>
@@ -44,6 +45,22 @@
             <meta-data android:name="android.appwidget.provider"
                 android:resource="@xml/taskwarriorconfig" />
         </receiver>
+
+		<receiver android:name=".WidgetUpdateReceiver"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="UPDATE_WIDGET" />
+            </intent-filter>
+        </receiver>
+
+<receiver android:name=".BurndownChartProvider"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
+            </intent-filter>
+            <meta-data android:name="android.appwidget.provider"
+                android:resource="@xml/burndownchartconfig" />
+        </receiver>
 
         <!-- Used for Background Work -->
         <receiver android:name="es.antonborri.home_widget.HomeWidgetBackgroundReceiver"

diff --git a/android/app/src/main/kotlin/com/ccextractor/taskwarriorflutter/BurndownChart.kt b/android/app/src/main/kotlin/com/ccextractor/taskwarriorflutter/BurndownChart.kt
@@ -0,0 +1,13 @@
+package com.ccextractor.taskwarriorflutter
+
+import android.appwidget.AppWidgetManager
+import android.content.Context
+import android.content.SharedPreferences
+import es.antonborri.home_widget.HomeWidgetProvider
+
+class BurndownChartProvider : HomeWidgetProvider() {
+    override fun onUpdate(context: Context, appWidgetManager: AppWidgetManager, appWidgetIds: IntArray, widgetData: SharedPreferences) {
+        // This method is intentionally left blank.
+        // Widget updates are handled by WidgetUpdateReceiver.
+    }
+}
diff --git a/android/app/src/main/kotlin/com/ccextractor/taskwarriorflutter/MainActivity.kt b/android/app/src/main/kotlin/com/ccextractor/taskwarriorflutter/MainActivity.kt
@@ -1,5 +1,36 @@
 package com.ccextractor.taskwarriorflutter
 
+import android.content.Intent
+import android.os.Bundle
 import io.flutter.embedding.android.FlutterActivity
+import io.flutter.embedding.engine.FlutterEngine
+import io.flutter.plugin.common.MethodChannel
+import android.content.Context
+import android.content.IntentFilter
+import android.appwidget.AppWidgetManager
+import android.content.ComponentName
 
-class MainActivity: FlutterActivity()
+class MainActivity: FlutterActivity() {
+    private val channel = "com.example.taskwarrior/widget"
+
+    override fun configureFlutterEngine(flutterEngine: FlutterEngine) {
+        super.configureFlutterEngine(flutterEngine)
+
+        MethodChannel(flutterEngine.dartExecutor.binaryMessenger, channel).setMethodCallHandler {
+            call, result ->
+            if (call.method == "updateWidget") {
+                updateWidget()
+                result.success("Widget updated")
+            } else {
+                result.notImplemented()
+            }
+        }
+    }
+
+    private fun updateWidget() {
+        val intent = Intent(this, WidgetUpdateReceiver::class.java).apply {
+            action = "UPDATE_WIDGET"
+        }
+        sendBroadcast(intent)
+    }
+}
diff --git a/android/app/src/main/kotlin/com/ccextractor/taskwarriorflutter/WidgetUpdateReceiver.kt b/android/app/src/main/kotlin/com/ccextractor/taskwarriorflutter/WidgetUpdateReceiver.kt
@@ -0,0 +1,68 @@
+package com.ccextractor.taskwarriorflutter
+
+import android.appwidget.AppWidgetManager
+import android.view.View
+import android.content.BroadcastReceiver
+import android.content.ComponentName
+import android.content.Context
+import android.content.Intent
+import android.graphics.BitmapFactory
+import android.util.Log
+import android.widget.RemoteViews
+import java.io.File
+import com.ccextractor.taskwarriorflutter.R
+import es.antonborri.home_widget.HomeWidgetPlugin
+
+class WidgetUpdateReceiver : BroadcastReceiver() {
+
+    override fun onReceive(context: Context, intent: Intent) {
+        if (intent.action == "UPDATE_WIDGET") {
+            Log.d("WidgetUpdateReceiver", "Received UPDATE_WIDGET broadcast")
+
+            val appWidgetManager = AppWidgetManager.getInstance(context)
+            val appWidgetIds = appWidgetManager.getAppWidgetIds(ComponentName(context, BurndownChartProvider::class.java))
+
+            for (appWidgetId in appWidgetIds) {
+                updateAppWidget(context, appWidgetManager, appWidgetId)
+            }
+        }
+    }
+
+    private fun updateAppWidget(context: Context, appWidgetManager: AppWidgetManager, appWidgetId: Int) {
+		Log.d("WidgetUpdateReceiver", "Updating widget $appWidgetId")
+
+		val views = RemoteViews(context.packageName, R.layout.report_layout)
+
+		// Retrieve the chart image path from HomeWidget
+		val chartImage = HomeWidgetPlugin.getData(context).getString("chart_image", null)
+
+		if (chartImage != null) {
+			Log.d("WidgetUpdateReceiver", "Chart image path: $chartImage")
+			val file = File(chartImage)
+			if (file.exists()) {
+				Log.d("WidgetUpdateReceiver", "File exists!")
+				val b = BitmapFactory.decodeFile(file.absolutePath)
+				if (b != null) {
+					Log.d("WidgetUpdateReceiver", "Bitmap decoded successfully!")
+					views.setImageViewBitmap(R.id.widget_image, b)
+					views.setViewVisibility(R.id.widget_image, View.VISIBLE)
+					views.setViewVisibility(R.id.no_image_text, View.GONE)
+				} else {
+					Log.e("WidgetUpdateReceiver", "Bitmap decoding failed!")
+					views.setViewVisibility(R.id.widget_image, View.GONE)
+					views.setViewVisibility(R.id.no_image_text, View.VISIBLE)
+				}
+			} else {
+				Log.e("WidgetUpdateReceiver", "File does not exist: $chartImage")
+				views.setViewVisibility(R.id.widget_image, View.GONE)
+				views.setViewVisibility(R.id.no_image_text, View.VISIBLE)
+			}
+		} else {
+			Log.d("WidgetUpdateReceiver", "No chart image saved yet")
+			views.setViewVisibility(R.id.widget_image, View.GONE)
+			views.setViewVisibility(R.id.no_image_text, View.VISIBLE)
+		}
+
+		appWidgetManager.updateAppWidget(appWidgetId, views)
+	}
+}
diff --git a/android/app/src/main/res/drawable/preview_report.jpg b/android/app/src/main/res/drawable/preview_report.jpg
diff --git a/android/app/src/main/res/layout/report_layout.xml b/android/app/src/main/res/layout/report_layout.xml
@@ -0,0 +1,47 @@
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:padding="1dp"
+    android:background="#80000000"> <!-- Transparent dark background -->
+
+    <TextView
+        android:id="@+id/widget_header"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:gravity="center"
+        android:padding="8dp"
+        android:text="Daily Report"
+        android:textColor="#FFFFFF"
+        android:textSize="16sp"
+        android:textStyle="bold" />
+
+    <ImageView
+        android:id="@+id/widget_image"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_below="@id/widget_header"
+        android:scaleType="fitXY"
+        android:contentDescription="Burndown Chart" />
+
+	<TextView
+        android:id="@+id/no_image_text"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_centerInParent="true"
+        android:text="@string/my_widget_description3"
+        android:textColor="#FFFFFF"
+        android:textSize="16sp"
+        android:visibility="visible" />
+
+    <!--scaleType values -->
+    <!--
+    android:scaleType="centerCrop"
+    android:scaleType="centerInside"
+    android:scaleType="fitCenter"
+    android:scaleType="fitEnd"
+    android:scaleType="fitStart"
+    android:scaleType="fitXY"
+    android:scaleType="matrix"
+    -->
+
+</RelativeLayout>
diff --git a/android/app/src/main/res/values/strings.xml b/android/app/src/main/res/values/strings.xml
@@ -9,6 +9,8 @@
     <string name="app_widget_card_clicked_uri">taskwarriorappwidget://cardclicked</string>
     <string name="app_widget_add_clicked_uri">taskwarriorappwidget://addclicked</string>
     <string name="my_widget_description">This widget shows pending tasks from TaskWarrior app</string>
+    <string name="my_widget_description2">This widget shows the daily reports graph to track your progress</string>
+	<string name="my_widget_description3">Click Refresh button in Daily Reports Tab</string>
     <string name="appwidget_text">TaskWarrior</string>
     <string name="add_widget">Add widget</string>
     <string name="text_task_list">Task List</string>

diff --git a/android/app/src/main/res/xml/burndownchartconfig.xml b/android/app/src/main/res/xml/burndownchartconfig.xml
@@ -0,0 +1,10 @@
+<appwidget-provider xmlns:android="http://schemas.android.com/apk/res/android"
+    android:minWidth="200dp"
+    android:minHeight="150dp"
+    android:updatePeriodMillis="0"
+    android:initialLayout="@layout/report_layout"
+    android:resizeMode="horizontal|vertical"
+	android:previewImage="@drawable/preview_report"
+    android:widgetCategory="home_screen"
+    android:description="@string/my_widget_description2">
+</appwidget-provider>
diff --git a/lib/app/modules/reports/controllers/reports_controller.dart b/lib/app/modules/reports/controllers/reports_controller.dart
@@ -1,9 +1,10 @@
-// ignore_for_file: prefer_typing_uninitialized_variables
-
 import 'dart:io';
-
+import 'package:home_widget/home_widget.dart';
+import 'dart:ui';
 import 'package:flutter/material.dart';
+import 'package:flutter/rendering.dart';
 import 'package:get/get.dart';
+import 'package:shared_preferences/shared_preferences.dart';
 import 'package:syncfusion_flutter_charts/charts.dart';
 import 'package:taskwarrior/api_service.dart';
 import 'package:taskwarrior/app/models/json/task.dart';
@@ -16,7 +17,8 @@ import 'package:taskwarrior/app/utils/constants/taskwarrior_fonts.dart';
 import 'package:taskwarrior/app/utils/constants/utilites.dart';
 import 'package:taskwarrior/app/utils/gen/fonts.gen.dart';
 import 'package:taskwarrior/app/utils/app_settings/app_settings.dart';
-
+import 'package:path_provider/path_provider.dart';
+import 'package:flutter/services.dart';
 import 'package:tutorial_coach_mark/tutorial_coach_mark.dart';
 
 class ReportsController extends GetxController
@@ -34,6 +36,69 @@ class ReportsController extends GetxController
   late Storage storage;
   var storageWidget;
 
+  final GlobalKey _chartKey = GlobalKey();
+
+  GlobalKey get chartKey => _chartKey;
+
+  Future<void> captureChart() async {
+    try {
+      if (chartKey.currentContext == null) {
+        print('Error: chartKey.currentContext is null');
+        return;
+      }
+
+      RenderRepaintBoundary? boundary =
+          chartKey.currentContext!.findRenderObject() as RenderRepaintBoundary?;
+
+      if (boundary == null) {
+        print('Error: boundary is null');
+        return;
+      }
+
+      final image = await boundary.toImage();
+      final byteData = await image.toByteData(format: ImageByteFormat.png);
+
+      if (byteData == null) {
+        print('Error: byteData is null');
+        return;
+      }
+
+      final pngBytes = byteData.buffer.asUint8List();
+
+      // Get the documents directory
+      final directory = await getApplicationDocumentsDirectory();
+      final imagePath = '${directory.path}/daily_burndown_chart.png';
+
+      // Save the image to the documents directory
+      File imgFile = File(imagePath);
+      await imgFile.writeAsBytes(pngBytes);
+      print('Image saved to: $imagePath');
+
+      // Save the image path to HomeWidget
+      await HomeWidget.saveWidgetData<String>('chart_image', imagePath);
+
+      // Verify that the file exists
+      if (await imgFile.exists()) {
+        print('Image file exists!');
+      } else {
+        print('Image file does not exist!');
+      }
+
+      // Add a delay before sending the broadcast
+      await Future.delayed(const Duration(milliseconds: 500));
+
+      // Send a broadcast to update the widget
+      const platform = MethodChannel('com.example.taskwarrior/widget');
+      try {
+        await platform.invokeMethod('updateWidget');
+      } on PlatformException catch (e) {
+        print("Failed to Invoke: '${e.message}'.");
+      }
+    } catch (e) {
+      print('Error capturing chart: $e');
+    }
+  }
+
   // void _initReportsTour() {
   //   tutorialCoachMark = TutorialCoachMark(
   //     targets: reportsDrawer(