Push files project

2024-05-01 16:07:11 -05:00
parent 92757241d3
commit 70c24928f2
50 changed files with 1192 additions and 0 deletions
--- a/Assignments/Files/app/.gitignore
+++ b/Assignments/Files/app/.gitignore
@@ -0,0 +1 @@
+/build
--- a/Assignments/Files/app/build.gradle.kts
+++ b/Assignments/Files/app/build.gradle.kts
@@ -0,0 +1,40 @@
+plugins {
+    alias(libs.plugins.androidApplication)
+}
+
+android {
+    namespace = "asdv.lisset.files"
+    compileSdk = 34
+
+    defaultConfig {
+        applicationId = "asdv.lisset.files"
+        minSdk = 21
+        targetSdk = 34
+        versionCode = 1
+        versionName = "1.0"
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro")
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
+    }
+}
+
+dependencies {
+
+    implementation(libs.appcompat)
+    implementation(libs.material)
+    implementation(libs.activity)
+    implementation(libs.constraintlayout)
+    testImplementation(libs.junit)
+    androidTestImplementation(libs.ext.junit)
+    androidTestImplementation(libs.espresso.core)
+}
--- a/Assignments/Files/app/proguard-rules.pro
+++ b/Assignments/Files/app/proguard-rules.pro
@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
--- a/Assignments/Files/app/src/androidTest/java/asdv/lisset/files/ExampleInstrumentedTest.java
+++ b/Assignments/Files/app/src/androidTest/java/asdv/lisset/files/ExampleInstrumentedTest.java
@@ -0,0 +1,26 @@
+package asdv.lisset.files;
+
+import android.content.Context;
+
+import androidx.test.platform.app.InstrumentationRegistry;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
+        assertEquals("asdv.lisset.files", appContext.getPackageName());
+    }
+}
--- a/Assignments/Files/app/src/main/AndroidManifest.xml
+++ b/Assignments/Files/app/src/main/AndroidManifest.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <application
+        android:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.Files"
+        tools:targetApi="31">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>
--- a/Assignments/Files/app/src/main/java/asdv/lisset/files/A.java
+++ b/Assignments/Files/app/src/main/java/asdv/lisset/files/A.java
@@ -0,0 +1,20 @@
+package asdv.lisset.files;
+
+import androidx.annotation.NonNull;
+
+import java.io.Serializable;
+
+public class A implements Serializable {
+    int x = 10;
+    double d = 3.14;
+    String s = "this is object A";
+
+    @NonNull
+    @Override
+    public String toString() {
+        return "A{" + "x=" + x +
+                ", d=" + d +
+                "s='" + s + '\'' +
+                '}';
+    }
+}
--- a/Assignments/Files/app/src/main/java/asdv/lisset/files/MainActivity.java
+++ b/Assignments/Files/app/src/main/java/asdv/lisset/files/MainActivity.java
@@ -0,0 +1,183 @@
+package asdv.lisset.files;
+
+import android.content.Context;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.View;
+import android.widget.Button;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import androidx.activity.EdgeToEdge;
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.graphics.Insets;
+import androidx.core.view.ViewCompat;
+import androidx.core.view.WindowInsetsCompat;
+
+import java.io.BufferedReader;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.io.OutputStreamWriter;
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.List;
+
+public class MainActivity extends AppCompatActivity {
+
+    TextView textViewOutput;
+    TextView editName;
+    TextView editAge;
+    Button buttonReadBinaryClassA;
+    Button writeBinaryButton;
+    Button addPersonObject;
+    String fname = "testFile";
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+
+        editName = findViewById(R.id.editName);
+        editAge = findViewById(R.id.editAge);
+        addPersonObject = findViewById(R.id.add_person_button);
+        writeBinaryButton = findViewById(R.id.button_write_binary);
+
+        buttonReadBinaryClassA = findViewById(R.id.button_read_binary);
+        textViewOutput = findViewById(R.id.fileContents);
+
+        Singleton singleton = Singleton.get(this);
+
+        ArrayList<Person> list = (ArrayList<Person>) singleton.getList();
+
+        addPersonObject.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+
+                Person person = new Person();
+                person.setName(editName.getText().toString());
+                try {
+                    String ageInt = editAge.getText().toString();
+                    Log.i("FilesApp", "ageInt: " + ageInt);
+                    person.setAge(Integer.parseInt(ageInt));
+                } catch (NumberFormatException ex) {
+                    Toast.makeText(MainActivity.this, "Unable to parse integer.", Toast.LENGTH_LONG).show();
+                }
+                list.add(person);
+            }
+        });
+        writeBinaryButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                Context c = getApplicationContext();
+                writeFileToObject(c,fname, (Serializable) list);
+            }
+        });
+        buttonReadBinaryClassA.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v)
+            {
+                Context c = getApplicationContext();
+                String s = readFromFileObject(c, fname);
+                textViewOutput.setText(s);
+            }
+        });
+
+    }
+    private void writeToFile(Context context, String fileName, String data)
+    {
+        try
+        {
+            OutputStreamWriter outputStreamWriter =
+                    new OutputStreamWriter(context.openFileOutput(fileName, Context.MODE_PRIVATE));
+            outputStreamWriter.write(data);
+            outputStreamWriter.close();
+            Toast.makeText(MainActivity.this, "success", Toast.LENGTH_LONG).show();
+        }
+        catch (FileNotFoundException e)
+        {
+            Log.e("Exception: ", e.toString());
+        } catch (IOException e)
+        {
+            Log.e("Exception: ", e.toString());
+        }
+
+
+    }
+    private String readFromFile(Context context, String fileName)
+    {
+        String ret = "";
+        try
+        {
+            InputStream inputStream = context.openFileInput(fileName);
+            if (inputStream != null)
+            {
+                InputStreamReader inputStreamReader = new InputStreamReader(inputStream);
+                BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
+                StringBuilder stringBuilder = new StringBuilder();
+                while ((ret = bufferedReader.readLine()) != null)
+                {
+                    stringBuilder.append("\n").append(ret);
+                }
+                inputStream.close();
+                ret = stringBuilder.toString();
+            }
+        }
+        catch (Exception e)
+        {
+            Toast.makeText(MainActivity.this,e.toString(), Toast.LENGTH_LONG).show();
+        }
+
+
+        return ret;
+    }
+    private void writeFileToObject(Context context, String fileName, Serializable object)
+    {
+    try (ObjectOutputStream oos = new ObjectOutputStream(context.openFileOutput(fileName,
+            Context.MODE_PRIVATE))){
+        oos.writeObject(object);
+        Toast.makeText(MainActivity.this,"success", Toast.LENGTH_LONG).show();
+    } catch (FileNotFoundException e) {
+        Toast.makeText(MainActivity.this,e.toString(), Toast.LENGTH_LONG).show();
+//        throw new RuntimeException(e);
+    } catch (IOException e) {
+        Toast.makeText(MainActivity.this,e.toString(), Toast.LENGTH_LONG).show();
+//        throw new RuntimeException(e);
+    }
+    }
+    private String readFromFileObject(Context context, String fileName)
+    {
+        String ret = "";
+        try
+        {
+            FileInputStream is = context.openFileInput(fileName);
+            ObjectInputStream ois = new ObjectInputStream(is);
+            if (is != null)
+            {
+                ArrayList<Person> personList = (ArrayList<Person>) ois.readObject();
+                is.close();
+                ois.close();
+                for (Person person : personList) {
+                    ret += person.toString() + "\n";
+                }
+            }
+        }
+        catch (FileNotFoundException e)
+        {
+            Log.e("login activity", "File not found: " + e.toString());
+        }
+        catch (IOException e)
+        {
+            Log.e("login activity", "IO Exception: " + e.toString());
+        } catch (ClassNotFoundException e)
+        {
+            Log.e("login activity", "Class Not Found Exception: " + e.toString());
+        }
+        return ret;
+    }
+}
--- a/Assignments/Files/app/src/main/java/asdv/lisset/files/Person.java
+++ b/Assignments/Files/app/src/main/java/asdv/lisset/files/Person.java
@@ -0,0 +1,21 @@
+package asdv.lisset.files;
+
+import java.io.Serializable;
+
+public class Person implements Serializable {
+    private String name;
+    private int age;
+
+    public String getName() { return name; }
+    public void setName(String name) { this.name = name; }
+    public int getAge() {return age; }
+    public void setAge(int age) { this.age = age; }
+
+    @Override
+    public String toString() {
+        return "Person{" +
+                "name='" + name + '\'' +
+                ", age=" + age +
+                '}';
+    }
+}
--- a/Assignments/Files/app/src/main/java/asdv/lisset/files/Singleton.java
+++ b/Assignments/Files/app/src/main/java/asdv/lisset/files/Singleton.java
@@ -0,0 +1,21 @@
+package asdv.lisset.files;
+
+import android.content.Context;
+import java.util.ArrayList;
+import java.util.List;
+public class Singleton {
+
+    private List<Person> list;
+    private static Singleton singleton;
+
+    private Singleton(Context c) {list = new ArrayList<Person>();}
+
+    public static Singleton get(Context c){
+        if(singleton == null)
+            singleton = new Singleton(c);
+        return singleton;
+    }
+
+    public List<Person> getList() {return list;}
+}
+
--- a/Assignments/Files/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
+++ b/Assignments/Files/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
@@ -0,0 +1,30 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="85.84757"
+                android:endY="92.4963"
+                android:startX="42.9492"
+                android:startY="49.59793"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>
--- a/Assignments/Files/app/src/main/res/drawable/ic_launcher_background.xml
+++ b/Assignments/Files/app/src/main/res/drawable/ic_launcher_background.xml
@@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#3DDC84"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+</vector>
--- a/Assignments/Files/app/src/main/res/layout/activity_main.xml
+++ b/Assignments/Files/app/src/main/res/layout/activity_main.xml
@@ -0,0 +1,87 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:orientation="vertical"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".MainActivity">
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal">
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:id="@+id/editNameTextView"
+            android:text="Enter name:"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintLeft_toLeftOf="parent"
+            app:layout_constraintRight_toRightOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            />
+
+        <EditText
+            android:id="@+id/editName"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:ems="10"
+            android:inputType="textPersonName"
+            android:text="" />
+    </LinearLayout>
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+        <TextView
+            android:id="@+id/editAgeTextView"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="Enter Age:" />
+
+        <EditText
+            android:id="@+id/editAge"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:ems="10"
+            android:inputType="number" />
+    </LinearLayout>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal">
+        <Button
+            android:id="@+id/add_person_button"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="Add Person"
+            android:layout_marginHorizontal="10dp"/>
+        <Button
+            android:id="@+id/button_read_binary"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="read binary"
+            android:layout_marginHorizontal="10dp"/>
+        <Button
+            android:id="@+id/button_write_binary"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="write binary"
+            android:layout_marginHorizontal="10dp"/>
+
+    </LinearLayout>
+    <TextView
+        android:id="@+id/fileContents"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:ems="10"
+        android:inputType="textMultiLine"/>
+
+</LinearLayout>
--- a/Assignments/Files/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
+++ b/Assignments/Files/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
--- a/Assignments/Files/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
+++ b/Assignments/Files/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
--- a/Assignments/Files/app/src/main/res/mipmap-hdpi/ic_launcher.webp
+++ b/Assignments/Files/app/src/main/res/mipmap-hdpi/ic_launcher.webp
--- a/Assignments/Files/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp
+++ b/Assignments/Files/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp
--- a/Assignments/Files/app/src/main/res/mipmap-mdpi/ic_launcher.webp
+++ b/Assignments/Files/app/src/main/res/mipmap-mdpi/ic_launcher.webp
--- a/Assignments/Files/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp
+++ b/Assignments/Files/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp
--- a/Assignments/Files/app/src/main/res/mipmap-xhdpi/ic_launcher.webp
+++ b/Assignments/Files/app/src/main/res/mipmap-xhdpi/ic_launcher.webp
--- a/Assignments/Files/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp
+++ b/Assignments/Files/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp
--- a/Assignments/Files/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp
+++ b/Assignments/Files/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp
--- a/Assignments/Files/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp
+++ b/Assignments/Files/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp
--- a/Assignments/Files/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp
+++ b/Assignments/Files/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp
--- a/Assignments/Files/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp
+++ b/Assignments/Files/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp
--- a/Assignments/Files/app/src/main/res/values-night/themes.xml
+++ b/Assignments/Files/app/src/main/res/values-night/themes.xml
@@ -0,0 +1,7 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Base.Theme.Files" parent="Theme.Material3.DayNight.NoActionBar">
+        <!-- Customize your dark theme here. -->
+        <!-- <item name="colorPrimary">@color/my_dark_primary</item> -->
+    </style>
+</resources>
--- a/Assignments/Files/app/src/main/res/values/colors.xml
+++ b/Assignments/Files/app/src/main/res/values/colors.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
+</resources>
--- a/Assignments/Files/app/src/main/res/values/strings.xml
+++ b/Assignments/Files/app/src/main/res/values/strings.xml
@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">Files</string>
+</resources>
--- a/Assignments/Files/app/src/main/res/values/themes.xml
+++ b/Assignments/Files/app/src/main/res/values/themes.xml
@@ -0,0 +1,9 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Base.Theme.Files" parent="Theme.Material3.DayNight.NoActionBar">
+        <!-- Customize your light theme here. -->
+        <!-- <item name="colorPrimary">@color/my_light_primary</item> -->
+    </style>
+
+    <style name="Theme.Files" parent="Base.Theme.Files" />
+</resources>
--- a/Assignments/Files/app/src/main/res/xml/backup_rules.xml
+++ b/Assignments/Files/app/src/main/res/xml/backup_rules.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample backup rules file; uncomment and customize as necessary.
+   See https://developer.android.com/guide/topics/data/autobackup
+   for details.
+   Note: This file is ignored for devices older that API 31
+   See https://developer.android.com/about/versions/12/backup-restore
+-->
+<full-backup-content>
+    <!--
+   <include domain="sharedpref" path="."/>
+   <exclude domain="sharedpref" path="device.xml"/>
+-->
+</full-backup-content>
--- a/Assignments/Files/app/src/main/res/xml/data_extraction_rules.xml
+++ b/Assignments/Files/app/src/main/res/xml/data_extraction_rules.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample data extraction rules file; uncomment and customize as necessary.
+   See https://developer.android.com/about/versions/12/backup-restore#xml-changes
+   for details.
+-->
+<data-extraction-rules>
+    <cloud-backup>
+        <!-- TODO: Use <include> and <exclude> to control what is backed up.
+        <include .../>
+        <exclude .../>
+        -->
+    </cloud-backup>
+    <!--
+    <device-transfer>
+        <include .../>
+        <exclude .../>
+    </device-transfer>
+    -->
+</data-extraction-rules>
--- a/Assignments/Files/app/src/test/java/asdv/lisset/files/ExampleUnitTest.java
+++ b/Assignments/Files/app/src/test/java/asdv/lisset/files/ExampleUnitTest.java
@@ -0,0 +1,17 @@
+package asdv.lisset.files;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+public class ExampleUnitTest {
+    @Test
+    public void addition_isCorrect() {
+        assertEquals(4, 2 + 2);
+    }
+}