android more like screw you droid

Assignments/mp2_sample/app/.gitignore

@@ -0,0 +1 @@
+/build

Assignments/mp2_sample/app/build.gradle

@@ -0,0 +1,39 @@
+plugins {
+    id 'com.android.application'
+}
+
+android {
+    namespace 'com.example.fragmenttofragmentmap'
+    compileSdk 33
+
+    defaultConfig {
+        applicationId "com.example.fragmenttofragmentmap"
+        minSdk 21
+        targetSdk 33
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+}
+
+dependencies {
+
+    implementation 'androidx.appcompat:appcompat:1.6.1'
+    implementation 'com.google.android.material:material:1.8.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
+    testImplementation 'junit:junit:4.13.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.5'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
+}

Assignments/mp2_sample/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

Assignments/mp2_sample/app/src/androidTest/java/com/example/fragmenttofragmentmap/ExampleInstrumentedTest.java

@@ -0,0 +1,28 @@
+package com.example.fragmenttofragmentmap;
+
+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("com.example.fragmenttofragmentmap", appContext.getPackageName());
+    }
+}

Assignments/mp2_sample/app/src/main/AndroidManifest.xml

@@ -0,0 +1,35 @@
+<?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.FragmentToFragmentMap"
+        tools:targetApi="31" >
+        <activity
+            android:name=".A"
+            android:exported="true" >
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+
+            <meta-data
+                android:name="android.app.lib_name"
+                android:value="" />
+        </activity>
+
+        <activity
+            android:name=".B"></activity>
+
+
+    </application>
+
+</manifest>

Assignments/mp2_sample/app/src/main/java/com/example/fragmenttofragmentmap/A.java

@@ -0,0 +1,56 @@
+package com.example.fragmenttofragmentmap;
+
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+
+import android.content.Intent;
+import android.os.Bundle;
+
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.TreeMap;
+
+public class A extends GenericActivityThatCreatesFragments
+{
+    private List<Contact> contacts;
+
+    @Override
+    protected Fragment createFragment()
+    {
+        contacts = new ArrayList<Contact>();
+        for ( int i=0; i< 10; ++i)
+            contacts.add( new Contact( "name"+i, "phone"+i+1 ));
+
+
+
+        F1 f1 = new F1();
+        Bundle b = new Bundle();
+        b.putSerializable("ID_MAP_ORIGINAL_FROM_A",(Serializable) this.contacts);
+        f1.setArguments( b );
+        return f1;
+    }
+
+
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent i)
+    {
+        super.onActivityResult(requestCode, resultCode, i);
+        if (requestCode == 888)
+        {
+            //the i.getSerializableExtra will convert the TreeMap of the bundle into HashMap
+            //so create from the HashMap a TreeMap
+            List<Contact> list = ( List<Contact> ) i.getSerializableExtra("ID_CONTACT_MAP_FROM_F2");
+
+            Bundle b = new Bundle();
+            b.putSerializable("ID_CONTACT_FROM_A", (Serializable) list);
+
+            getGenericFragment().setArguments( b );
+
+        }
+    }
+
+}

Assignments/mp2_sample/app/src/main/java/com/example/fragmenttofragmentmap/B.java

@@ -0,0 +1,33 @@
+package com.example.fragmenttofragmentmap;
+
+import android.content.Intent;
+import android.os.Bundle;
+
+import androidx.fragment.app.Fragment;
+
+import java.io.Serializable;
+import java.util.List;
+import java.util.Map;
+
+public class B extends GenericActivityThatCreatesFragments
+{
+List<Contact > list;
+int index;
+
+    @Override
+    protected Fragment createFragment()
+    {
+        Intent i =  getIntent();
+        Bundle b   =  i.getBundleExtra("ID_F1");
+        list = ( List<Contact> ) b.getSerializable("LIST_FROM_F1" );
+        index = b.getInt("LIST_INDEX_FROM_F1");
+        F2 f2 = new F2();
+        Bundle b1 = new Bundle();
+        b1.putSerializable("ID_LIST_ORIGINAL_FROM_B",(Serializable) this.list);
+        b1.putSerializable("ID_INDEX_ORIGINAL_FROM_B",(Serializable) this.index);
+
+        f2.setArguments( b1 );
+        return f2;
+    }
+
+}

Assignments/mp2_sample/app/src/main/java/com/example/fragmenttofragmentmap/Contact.java

@@ -0,0 +1,38 @@
+package com.example.fragmenttofragmentmap;
+
+import java.io.Serializable;
+import java.util.UUID;
+
+public class Contact implements Serializable
+{
+
+    private UUID id;
+    private String name;
+    private String phone;
+
+    public UUID getId() {
+        return id;
+    }
+
+    public Contact(String name, String phone) {
+        this.id = UUID.randomUUID();
+        this.name = name;
+        this.phone = phone;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getPhone() {
+        return phone;
+    }
+
+    public void setPhone(String phone) {
+        this.phone = phone;
+    }
+}

Assignments/mp2_sample/app/src/main/java/com/example/fragmenttofragmentmap/F1.java

@@ -0,0 +1,220 @@
+package com.example.fragmenttofragmentmap;
+
+import android.content.Intent;
+import android.os.Bundle;
+
+import androidx.annotation.NonNull;
+import androidx.fragment.app.Fragment;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.TextView;
+
+import java.io.Serializable;
+import java.util.List;
+import java.util.Map;
+
+public class F1 extends Fragment //Resembles the RecycleView
+{
+
+    private RecyclerView crimeRecyclerView;
+    private ContactAdapter adapter;
+
+
+    List<Contact> contacts;
+
+
+    private void updateUI() {
+
+        if ( this.adapter == null ) {
+            this.adapter = new ContactAdapter(this.contacts);
+            this.crimeRecyclerView.setAdapter(this.adapter);
+        }
+        else
+            this.adapter.notifyDataSetChanged();
+    }
+
+
+    @Override
+    public void onCreate(Bundle savedInstanceState)
+    {
+        super.onCreate(savedInstanceState);
+
+        Bundle b = getArguments();
+        this.contacts  =  (List<Contact>) b.getSerializable("ID_MAP_ORIGINAL_FROM_A");
+    }
+    @Override
+    public View onCreateView(
+            LayoutInflater inflater, ViewGroup container,
+            Bundle savedInstanceState)
+    {
+        View view = inflater.inflate(R.layout.fragment_contact_list, container, false);
+
+        crimeRecyclerView = (RecyclerView) view.findViewById(R.id.contact_recycler_view);
+        crimeRecyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));                 // we pass the crimeListActivity here
+        updateUI();
+        return view;
+
+
+/*        View v =  inflater.inflate(R.layout.f1, container, false);
+        originalMap = v.findViewById(R.id.textViewMapOriginal);
+        sortedMap = v.findViewById(R.id.textViewMapSorted);
+        sendtoF2 = v.findViewById(R.id.buttonSendToF2);
+
+        originalMap.setText(map.toString());
+
+        originalMap.setOnClickListener(new View.OnClickListener()
+        {
+            @Override
+            public void onClick(View v)
+            {
+                GenericActivityThatCreatesFragments a = (GenericActivityThatCreatesFragments) getActivity();
+                Intent i = new Intent(a, B.class);
+                Bundle b = new Bundle();
+
+                b.putSerializable("MAP_FROM_F1",
+                        (Serializable) F1.this.map);
+                i.putExtra("ID_F1", b);
+                Map<String, String> m = ( Map<String, String>) b.getSerializable("MAP_FROM_F1");
+                a.startActivityForResult(i, 888);
+            }
+        });
+
+
+
+        this.sendtoF2.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                GenericActivityThatCreatesFragments a = (GenericActivityThatCreatesFragments) getActivity();
+
+                Intent i = new Intent(a, B.class);
+                Bundle b = new Bundle();
+
+                b.putSerializable("MAP_FROM_F1",
+                        (Serializable) F1.this.map);
+                i.putExtra("ID_F1", b);
+                Map<String, String> m = ( Map<String, String>) b.getSerializable("MAP_FROM_F1");
+                Log.d("THE MAP --------", m.toString());
+                a.startActivityForResult(i, 888);
+
+            }
+        });
+
+        return v;
+
+        */
+
+    }
+
+    @Override
+    public void onResume()
+    {
+        super.onResume();
+        if (getArguments() != null)
+        {
+
+                    List<Contact> l = (List<Contact>) getArguments().getSerializable(
+                    "ID_CONTACT_FROM_A");
+            if ( l != null )
+            {
+                this.contacts = l;
+                this.adapter.contacts = this.contacts;
+            }
+
+            updateUI();
+
+        }
+    }
+
+
+
+
+
+
+
+    private class ContactHolder extends RecyclerView.ViewHolder {
+
+        private Contact contact;
+        private int index;
+        private TextView nameTextView;
+        private TextView phoneTextView;
+        public ContactHolder(LayoutInflater inflater, ViewGroup parent) {
+            super(inflater.inflate(  R.layout.f1, parent, false));
+
+            nameTextView = this.itemView.findViewById(R.id.textViewName);
+            phoneTextView = this.itemView.findViewById(R.id.textViewPhone);
+
+            this.itemView.setOnClickListener(new View.OnClickListener() {
+                @Override
+                public void onClick(View view) {
+                    /*
+                    //Toast.makeText(getActivity(), crime.getTitle() + " clicked!", Toast.LENGTH_SHORT).show();
+
+                    Intent intent = new Intent(
+                            CrimeListFragment.this.getActivity(),
+                            CrimeActivity.class
+                    );
+                    intent.putExtra("EXTRA_CRIME_ID", crime.getId());
+                    startActivity(  intent  );
+
+*/
+
+                    GenericActivityThatCreatesFragments a = (GenericActivityThatCreatesFragments) getActivity();
+
+                    Intent i = new Intent(a, B.class);
+                    Bundle b = new Bundle();
+
+                    b.putSerializable("LIST_FROM_F1", (Serializable) F1.this.contacts);
+                    b.putInt("LIST_INDEX_FROM_F1", ContactHolder.this.index);
+                    i.putExtra("ID_F1", b);
+
+                    a.startActivityForResult(i, 888);
+
+                }
+            });
+        }
+
+        public void bind(Contact contact, int index) {  // this method will be called by the adapter
+            this.contact = contact;
+            this.index = index;
+            nameTextView.setText(contact.getName());
+            phoneTextView.setText(contact.getPhone());
+        }
+
+
+    }
+
+
+    private class ContactAdapter extends RecyclerView.Adapter<ContactHolder>
+    {
+        private List<Contact> contacts;
+        public ContactAdapter(List<Contact> contacts) {
+            this.contacts = contacts;
+        }
+
+        @NonNull
+        @Override
+        public ContactHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+            LayoutInflater layoutInflater = LayoutInflater.from(getActivity());
+            return new ContactHolder(layoutInflater, parent);
+        }
+
+        @Override
+        public void onBindViewHolder(@NonNull ContactHolder holder, int position) {
+            Contact crime = this.contacts.get(position);
+            holder.bind(crime,position );
+        }
+
+        @Override
+        public int getItemCount() {
+            return this.contacts.size();
+        }
+    }
+
+
+}

Assignments/mp2_sample/app/src/main/java/com/example/fragmenttofragmentmap/F2.java

@@ -0,0 +1,84 @@
+package com.example.fragmenttofragmentmap;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.TextView;
+
+import androidx.fragment.app.Fragment;
+
+import java.io.Serializable;
+import java.util.List;
+import java.util.Map;
+import java.util.TreeMap;
+
+public class F2 extends Fragment //Resebles teh RecycleView
+{
+    EditText editTextViewName;
+    EditText editTextViewPhone;
+    Button sendBackToF1;
+
+
+
+
+    List<Contact > list;
+    int index;
+    public F2()
+    {
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState)
+    {
+        super.onCreate(savedInstanceState);
+
+        Bundle b = getArguments();
+        list  =  (List<Contact>) b.getSerializable("ID_LIST_ORIGINAL_FROM_B");
+        index = b.getInt("ID_INDEX_ORIGINAL_FROM_B");
+
+    }
+
+    @Override
+    public View onCreateView(
+            LayoutInflater inflater, ViewGroup container,
+            Bundle savedInstanceState)
+    {
+        View v =  inflater.inflate(R.layout.contact, container, false);
+        this.editTextViewName = v.findViewById(R.id.editTextName);
+        this.editTextViewPhone = v.findViewById(R.id.editTextPhone);
+
+        this.editTextViewName.setText(list.get(index).getName());
+        this.editTextViewPhone.setText(list.get(index).getPhone());
+
+        sendBackToF1 = v.findViewById(R.id.buttonDone);
+
+
+
+
+        this.sendBackToF1.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+
+                Intent i = new Intent();
+
+                Contact c = F2.this.list.get(index);
+                c.setName(  F2.this.editTextViewName.getText().toString()  );
+                c.setPhone(  F2.this.editTextViewPhone.getText().toString()  );
+                F2.this.list.set(F2.this.index,c );
+                i.putExtra("ID_CONTACT_MAP_FROM_F2", (Serializable) F2.this.list);
+                getActivity().setResult(888, i);
+
+                GenericActivityThatCreatesFragments a = (GenericActivityThatCreatesFragments) getActivity();
+                a.finish();
+
+            }
+        });
+
+        return v;
+    }
+}

Assignments/mp2_sample/app/src/main/java/com/example/fragmenttofragmentmap/GenericActivityThatCreatesFragments.java

@@ -0,0 +1,32 @@
+package com.example.fragmenttofragmentmap;
+
+import android.os.Bundle;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentManager;
+
+abstract public class
+GenericActivityThatCreatesFragments extends AppCompatActivity
+{
+    Fragment fragment;
+    public Fragment getGenericFragment()
+    {
+        return fragment;
+    };
+    protected abstract Fragment createFragment();
+    @Override
+    protected void onCreate(Bundle savedInstanceState)
+    {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.a);
+        FragmentManager fm = getSupportFragmentManager();
+        this.fragment = fm.findFragmentById(R.id.f1_container);
+        if (this.fragment == null)
+        {
+            this.fragment = createFragment();
+            fm.beginTransaction().add(R.id.f1_container, fragment).commit();
+        }
+    }
+
+}

Assignments/mp2_sample/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>

Assignments/mp2_sample/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>

Assignments/mp2_sample/app/src/main/res/layout/a.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/f1_container"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    />

Assignments/mp2_sample/app/src/main/res/layout/activity_start.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/fragment_container"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    />

Assignments/mp2_sample/app/src/main/res/layout/contact.xml

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:orientation="vertical"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    >
+    <EditText
+        android:id="@+id/editTextID"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="UUID" />
+    <EditText
+        android:id="@+id/editTextName"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="Name" />
+
+    <EditText
+        android:id="@+id/editTextPhone"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="Name" />
+
+    <Button
+        android:id="@+id/buttonDone"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Submit" />
+
+</LinearLayout>

Assignments/mp2_sample/app/src/main/res/layout/f1.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:orientation="horizontal"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    tools:context=".F1">
+
+    <!-- TODO: Update blank fragment layout -->
+    <TextView
+        android:id="@+id/textViewName"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_weight="1"
+        android:text="Name" />
+    <TextView
+        android:id="@+id/textViewPhone"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_weight="1"
+        android:text="Phone" />
+
+</LinearLayout>

Assignments/mp2_sample/app/src/main/res/layout/f2.xml

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:orientation="vertical"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".F1">
+
+    <!-- TODO: Update blank fragment layout -->
+    <TextView
+        android:id="@+id/textViewMapOriginalAsParameter_2"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/hello_blank_fragment" />
+    <TextView
+        android:id="@+id/textViewMapSorted_2"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="The sorted Map" />
+    <Button
+        android:id="@+id/buttonSendToF2_2"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Send TreeMap back to F1" />
+</LinearLayout>

Assignments/mp2_sample/app/src/main/res/layout/fragment_contact_list.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+    <androidx.recyclerview.widget.RecyclerView
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/contact_recycler_view"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:ignore="MissingDefaultResource"/>

Assignments/mp2_sample/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,5 @@
+<?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" />
+</adaptive-icon>

Assignments/mp2_sample/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -0,0 +1,5 @@
+<?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" />
+</adaptive-icon>

Assignments/mp2_sample/app/src/main/res/values-night/themes.xml

@@ -0,0 +1,16 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.FragmentToFragmentMap" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+        <!-- Primary brand color. -->
+        <item name="colorPrimary">@color/purple_200</item>
+        <item name="colorPrimaryVariant">@color/purple_700</item>
+        <item name="colorOnPrimary">@color/black</item>
+        <!-- Secondary brand color. -->
+        <item name="colorSecondary">@color/teal_200</item>
+        <item name="colorSecondaryVariant">@color/teal_200</item>
+        <item name="colorOnSecondary">@color/black</item>
+        <!-- Status bar color. -->
+        <item name="android:statusBarColor">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+    </style>
+</resources>

Assignments/mp2_sample/app/src/main/res/values/colors.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="purple_200">#FFBB86FC</color>
+    <color name="purple_500">#FF6200EE</color>
+    <color name="purple_700">#FF3700B3</color>
+    <color name="teal_200">#FF03DAC5</color>
+    <color name="teal_700">#FF018786</color>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
+</resources>

Assignments/mp2_sample/app/src/main/res/values/strings.xml

@@ -0,0 +1,5 @@
+<resources>
+    <string name="app_name">FragmentToFragmentMap</string>
+    <!-- TODO: Remove or change this placeholder text -->
+    <string name="hello_blank_fragment">Hello blank fragment</string>
+</resources>

Assignments/mp2_sample/app/src/main/res/values/themes.xml

@@ -0,0 +1,16 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.FragmentToFragmentMap" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+        <!-- Primary brand color. -->
+        <item name="colorPrimary">@color/purple_500</item>
+        <item name="colorPrimaryVariant">@color/purple_700</item>
+        <item name="colorOnPrimary">@color/white</item>
+        <!-- Secondary brand color. -->
+        <item name="colorSecondary">@color/teal_200</item>
+        <item name="colorSecondaryVariant">@color/teal_700</item>
+        <item name="colorOnSecondary">@color/black</item>
+        <!-- Status bar color. -->
+        <item name="android:statusBarColor">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+    </style>
+</resources>

Assignments/mp2_sample/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>

Assignments/mp2_sample/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>

Assignments/mp2_sample/app/src/test/java/com/example/fragmenttofragmentmap/ExampleUnitTest.java

@@ -0,0 +1,19 @@
+package com.example.fragmenttofragmentmap;
+
+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);
+    }
+}