libraries were updated

app/build.gradle

@@ -37,8 +37,8 @@ android {
             }
 
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+        sourceCompatibility JavaVersion.VERSION_11
+        targetCompatibility JavaVersion.VERSION_11
     }
 }
 

app/src/main/AndroidManifest.xml

@@ -4,9 +4,9 @@
 
     <application
         android:allowBackup="true"
-        android:icon="@drawable/ic_launcher"
+        android:icon="@drawable/icon_background"
         android:label="@string/app_name"
-        android:roundIcon="@drawable/ic_launcher"
+        android:roundIcon="@drawable/icon_background"
         android:supportsRtl="true"
         android:theme="@style/Theme.RoomDatabase">
         <activity

app/src/main/java/com/mahdi/roomdatabase/Data/database/DatabaseNew.java

@@ -2,6 +2,7 @@
 
 import android.content.Context;
 import androidx.room.Database;
+import androidx.room.Ignore;
 import androidx.room.Room;
 import androidx.room.RoomDatabase;
 import com.mahdi.roomdatabase.Data.dao.ContactDAO;
@@ -15,6 +16,10 @@ public abstract class DatabaseNew extends RoomDatabase {
 
     private static DatabaseNew database;
 
+    @Ignore
+    public DatabaseNew() {
+    }
+
     public abstract ContactDAO contactDAO();
 
     public synchronized static DatabaseNew getDatabase(Context context) {

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

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="icon_background_background">#3DDC84</color>
+</resources>

build.gradle

@@ -1,23 +1,6 @@
-// Top-level build file where you can add configuration options common to all sub-projects/modules.
-buildscript {
-    repositories {
-        google()
-        jcenter()
-    }
-    dependencies {
-        classpath "com.android.tools.build:gradle:4.1.3"
-
-        // NOTE: Do not place your application dependencies here; they belong
-        // in the individual module build.gradle files
-    }
-}
-
-allprojects {
-    repositories {
-        maven { url 'https://jitpack.io' }
-        google()
-        jcenter()
-    }
+plugins {
+    id 'com.android.application' version '7.2.1' apply false
+    id 'com.android.library' version '7.2.1' apply false
 }
 
 task clean(type: Delete) {

gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.3.3-bin.zip

settings.gradle

@@ -1,2 +1,19 @@
+pluginManagement {
+    repositories {
+        gradlePluginPortal()
+        google()
+        mavenCentral()
+        jcenter()
+    }
+}
+dependencyResolutionManagement {
+    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+    repositories {
+        google()
+        mavenCentral()
+        jcenter()
+    }
+}
+
 include ':app'
 rootProject.name = "RoomDatabase"