completed exercise 3

app/build.gradle

@@ -1,12 +1,12 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 25
+    compileSdkVersion 30
 
     defaultConfig {
         applicationId "com.android.example.favoritetoys"
-        minSdkVersion 10
-        targetSdkVersion 25
+        minSdkVersion 19
+        targetSdkVersion 30
         versionCode 1
         versionName "1.0"
     }
@@ -19,5 +19,8 @@ android {
 
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
-    implementation 'com.android.support:appcompat-v7:25.1.0'
+    implementation 'androidx.appcompat:appcompat:1.2.0'
+
+
+
 }

app/src/main/java/com/example/android/favoritetoys/MainActivity.java

@@ -16,9 +16,11 @@
 package com.example.android.favoritetoys;
 
 import android.os.Bundle;
-import android.support.v7.app.AppCompatActivity;
+//import android.support.v7.app.AppCompatActivity;
 import android.widget.TextView;
 
+import androidx.appcompat.app.AppCompatActivity;
+
 public class MainActivity extends AppCompatActivity {
 
     private TextView mToysListTextView;

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

@@ -22,10 +22,13 @@
     <!--TODO (1) Add a ScrollView around the TextView so you can scroll through the list of toys-->
     <!--TODO (2) Make the width of the ScrollView match_parent and the height wrap_content-->
 
-    <TextView
-        android:id="@+id/tv_toy_names"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:padding="16dp"
-        android:textSize="20sp" />
+    <ScrollView android:layout_height="wrap_content"
+        android:layout_width="match_parent">
+        <TextView
+            android:id="@+id/tv_toy_names"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:padding="16dp"
+            android:textSize="20sp" />
+    </ScrollView>
 </FrameLayout>

build.gradle

@@ -6,7 +6,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.2.1'
+        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

gradle.properties

@@ -12,6 +12,8 @@
 # Default value: -Xmx10248m -XX:MaxPermSize=256m
 # org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
 
+android.enableJetifier=true
+android.useAndroidX=true
 # When configured, Gradle will run in incubating parallel mode.
 # This option should only be used with decoupled projects. More details, visit
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects

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-4.10.2-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.8.3-all.zip