it work 😁

Assignments/CriminalIntentChapter8/app/.gitignore

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

Assignments/CriminalIntentChapter8/app/build.gradle.kts

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+plugins {
+    id("com.android.application")
+}
+
+android {
+    namespace = "com.example.criminalintentchapter8"
+    compileSdk = 34
+
+    defaultConfig {
+        applicationId = "com.example.criminalintentchapter8"
+        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("androidx.appcompat:appcompat:1.6.1")
+    implementation("com.google.android.material:material:1.11.0")
+    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/CriminalIntentChapter8/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/CriminalIntentChapter8/app/src/androidTest/java/com/example/criminalintentchapter8/ExampleInstrumentedTest.java

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+package com.example.criminalintentchapter8;
+
+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.criminalintentchapter7", appContext.getPackageName());
+    }
+}

Assignments/CriminalIntentChapter8/app/src/main/AndroidManifest.xml

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+<?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.CriminalIntentChapter7"
+        tools:targetApi="31">
+        <activity
+            android:name=".CrimeListActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

Assignments/CriminalIntentChapter8/app/src/main/java/com/example/criminalintentchapter8/Crime.java

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+package com.example.criminalintentchapter8;
+
+import java.util.Date;
+import java.util.UUID;
+
+public class Crime
+{
+    private UUID mId;
+    private String mTitle;
+    private boolean mSolved;
+    private Date mDate;
+    public Crime() {
+        mId = UUID.randomUUID();
+        mDate = new Date();
+    }
+
+    public UUID getId() {
+        return mId;
+    }
+
+    public String getTitle() {
+        return mTitle;
+    }
+
+    public void setTitle(String title) {
+        mTitle = title;
+    }
+
+    public boolean isSolved() {
+        return mSolved;
+    }
+
+    public void setSolved(boolean solved) {
+        mSolved = solved;
+    }
+
+    public Date getDate() {
+        return mDate;
+    }
+
+    public void setDate(Date date) {
+        mDate = date;
+    }
+}

Assignments/CriminalIntentChapter8/app/src/main/java/com/example/criminalintentchapter8/CrimeActivity.java

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+package com.example.criminalintentchapter8;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentManager;
+
+import android.os.Bundle;
+
+public class CrimeActivity extends SingleFragmentActivity {
+    @Override
+    protected Fragment createFragment() {
+        return new CrimeFragment();
+    }
+}

Assignments/CriminalIntentChapter8/app/src/main/java/com/example/criminalintentchapter8/CrimeFragment.java

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+package com.example.criminalintentchapter8;
+
+import android.os.Bundle;
+
+import androidx.fragment.app.Fragment;
+
+import android.text.Editable;
+import android.text.TextWatcher;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.CheckBox;
+import android.widget.CompoundButton;
+import android.widget.EditText;
+
+import java.text.SimpleDateFormat;
+import java.util.Locale;
+
+public class CrimeFragment extends Fragment {
+    private Crime mCrime;
+    private EditText mTitleField;
+    private CheckBox mSolvedCheckBox;
+    private Button mDateButton;
+
+    public CrimeFragment() {
+        // Required empty public constructor
+    }
+
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        mCrime = new Crime();
+
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        View v =
+                inflater.inflate(R.layout.fragment_crime, container, false);
+
+        mTitleField = (EditText)
+                v.findViewById(R.id.crime_title);
+        mTitleField.addTextChangedListener(new TextWatcher() {
+            @Override
+            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+                ///left blank on purpose
+            }
+
+            @Override
+            public void onTextChanged(CharSequence s, int start, int before, int count) {
+                mCrime.setTitle(s.toString());
+            }
+
+            @Override
+            public void afterTextChanged(Editable s) {
+                ///left blank on purpose
+            }
+        });
+
+        mSolvedCheckBox = (CheckBox) v.findViewById(R.id.crime_solved);
+
+        mSolvedCheckBox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener()
+        {
+            @Override
+            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked)
+            {
+                mCrime.setSolved(isChecked);
+            }
+    });
+        mDateButton = (Button) v.findViewById(R.id.crime_date);
+        SimpleDateFormat dateFormat = new SimpleDateFormat("EEE, MMM d, yyyy", Locale.getDefault());
+        String dateString = dateFormat.format(mCrime.getDate());
+        mDateButton.setText(dateString);
+        mDateButton.setEnabled(false);
+        return v;
+    }
+}

Assignments/CriminalIntentChapter8/app/src/main/java/com/example/criminalintentchapter8/CrimeLab.java

@@ -0,0 +1,49 @@
+package com.example.criminalintentchapter8;
+
+import android.content.Context;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.UUID;
+
+public class CrimeLab {
+    private static CrimeLab sCrimeLab;
+    private List<Crime> mCrimes;
+
+    public static CrimeLab get(Context context)
+    {
+        if(sCrimeLab == null)
+        {
+            sCrimeLab = new CrimeLab(context);
+        }
+        return  sCrimeLab;
+    }
+
+    private  CrimeLab(Context context)
+    {
+        mCrimes = new ArrayList<>();
+        for(int i = 0; i < 100; i++)
+        {
+            Crime crime = new Crime();
+            crime.setTitle("Crime #" + i);
+            crime.setSolved(i % 2 == 0); //every other one
+            mCrimes.add(crime);
+        }
+    }
+
+    public List<Crime> getCrimes()
+    {
+        return mCrimes;
+    }
+
+    public Crime getCrime(UUID id) {
+        for(Crime crime : mCrimes)
+        {
+            if (crime.getId().equals(id))
+            {
+                return crime;
+            }
+        }
+        return null;
+    }
+}

Assignments/CriminalIntentChapter8/app/src/main/java/com/example/criminalintentchapter8/CrimeListActivity.java

@@ -0,0 +1,14 @@
+package com.example.criminalintentchapter8;
+
+import android.app.Activity;
+
+import androidx.fragment.app.Fragment;
+
+public class CrimeListActivity extends SingleFragmentActivity {
+
+
+    @Override
+    protected Fragment createFragment() {
+        return new CrimeListFragment();
+    }
+}

Assignments/CriminalIntentChapter8/app/src/main/java/com/example/criminalintentchapter8/CrimeListFragment.java

@@ -0,0 +1,85 @@
+package com.example.criminalintentchapter8;
+
+import android.graphics.Rect;
+import android.os.Bundle;
+import android.text.Layout;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import java.util.List;
+
+public class CrimeListFragment extends Fragment {
+    private RecyclerView mCrimeRecyclerView;
+    private CrimeAdapter mAdapter;
+
+    @Nullable
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
+        super.onCreateView(inflater, container, savedInstanceState);
+        View view = inflater.inflate(R.layout.fragment_crime_list, container, false);
+        mCrimeRecyclerView = (RecyclerView) view.findViewById(R.id.crime_recycler_view);
+        mCrimeRecyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));
+        updateUI();
+        return view;
+    }
+
+    private class CrimeHolder extends RecyclerView.ViewHolder {
+        private TextView mTitleTextView;
+        private TextView mDateTextView;
+        private Crime mCrime;
+        public void bind(Crime crime) {
+            mCrime = crime;
+            mTitleTextView.setText(mCrime.getTitle());
+            mDateTextView.setText(mCrime.getDate().toString());
+        }
+        public CrimeHolder(LayoutInflater inflater,
+                           ViewGroup parent) {
+            super(inflater.inflate(R.layout.list_item_crime, parent, false));
+
+            mTitleTextView = (TextView) itemView.findViewById(R.id.crime_title);
+            mDateTextView = (TextView) itemView.findViewById(R.id.crime_date);
+
+        }
+    }
+    private class CrimeAdapter extends RecyclerView.Adapter<CrimeHolder> {
+
+        private List<Crime> mCrimes;
+
+        public CrimeAdapter(List<Crime> crimes) {
+            mCrimes = crimes;
+        }
+
+        @NonNull
+        @Override
+        public CrimeHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+            LayoutInflater layoutInflater = LayoutInflater.from(getActivity());
+            return new CrimeHolder(layoutInflater, parent);
+        }
+
+        @Override
+        public void onBindViewHolder(@NonNull CrimeHolder holder, int position) {
+            Crime crime = mCrimes.get(position);
+            holder.bind(crime);
+        }
+
+        @Override
+        public int getItemCount() {
+            return mCrimes.size();
+        }
+    }
+
+    private void updateUI() {
+        CrimeLab crimeLab = CrimeLab.get(getActivity());
+        List<Crime> crimes = crimeLab.getCrimes();
+        mAdapter = new CrimeAdapter(crimes);
+        mCrimeRecyclerView.setAdapter(mAdapter);
+    }
+}

Assignments/CriminalIntentChapter8/app/src/main/java/com/example/criminalintentchapter8/SingleFragmentActivity.java

@@ -0,0 +1,26 @@
+package com.example.criminalintentchapter8;
+
+import android.os.Bundle;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentManager;
+
+public abstract class SingleFragmentActivity extends AppCompatActivity {
+
+    protected abstract Fragment createFragment();
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_fragment);
+
+        FragmentManager fm = getSupportFragmentManager();
+        Fragment fragment = fm.findFragmentById(R.id.fragment_container);
+
+        if (fragment == null) {
+            fragment = createFragment();
+            fm.beginTransaction().add(R.id.fragment_container, fragment).commit();
+        }
+    }
+}

Assignments/CriminalIntentChapter8/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/CriminalIntentChapter8/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/CriminalIntentChapter8/app/src/main/res/layout-land/fragment_crime_landscape.xml

@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:layout_margin="16dp"
+    android:orientation="horizontal">
+    <TextView
+        style="?android:listSeparatorTextViewStyle"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/crime_title_label"/>
+    <EditText
+        android:id="@+id/crime_title"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:hint="@string/crime_title_hint"/>
+    <TextView
+        style="?android:listSeparatorTextViewStyle"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/crime_details_label"/>
+
+    <Button
+        android:id="@+id/crime_date"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginLeft="16dp"
+        android:layout_marginRight="16dp"
+        android:paddingLeft="16dp" />
+    <CheckBox
+        android:id="@+id/crime_solved"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/crime_solved_label"
+        android:paddingLeft="16dp"
+        android:layout_marginTop="8dp"
+        android:layout_marginRight="8dp"/>
+</LinearLayout>

Assignments/CriminalIntentChapter8/app/src/main/res/layout/activity_crime.xml

@@ -0,0 +1,8 @@
+<?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/CriminalIntentChapter8/app/src/main/res/layout/activity_fragment.xml

@@ -0,0 +1,4 @@
+<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/CriminalIntentChapter8/app/src/main/res/layout/fragment_crime.xml

@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:layout_margin="16dp"
+    android:orientation="vertical">
+
+    <TextView
+style="?android:listSeparatorTextViewStyle"
+android:layout_width="match_parent"
+android:layout_height="wrap_content"
+android:text="@string/crime_title_label"/>
+<EditText
+android:id="@+id/crime_title"
+android:layout_width="match_parent"
+android:layout_height="wrap_content"
+android:hint="@string/crime_title_hint"/>
+<TextView
+style="?android:listSeparatorTextViewStyle"
+android:layout_width="match_parent"
+android:layout_height="wrap_content"
+android:text="@string/crime_details_label"/>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="horizontal"
+        android:layout_gravity="center">
+
+        <Button
+            android:id="@+id/crime_date"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginLeft="16dp"
+            android:layout_marginRight="16dp"
+            android:paddingLeft="16dp"
+            />
+
+        <CheckBox
+            android:id="@+id/crime_solved"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/crime_solved_label" />
+
+    </LinearLayout>
+
+</LinearLayout>

Assignments/CriminalIntentChapter8/app/src/main/res/layout/fragment_crime_list.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.recyclerview.widget.RecyclerView
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/crime_recycler_view"
+    android:layout_height="wrap_content"
+    android:layout_width="wrap_content" />

Assignments/CriminalIntentChapter8/app/src/main/res/layout/list_item_crime.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:padding="8dp">
+
+    <TextView
+        android:id="@+id/crime_title"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="Crime title" />
+
+    <TextView
+        android:id="@id/crime_date"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="Crime date"/>
+</LinearLayout>

Assignments/CriminalIntentChapter8/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>

Assignments/CriminalIntentChapter8/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>

Assignments/CriminalIntentChapter8/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.CriminalIntentChapter7" parent="Theme.Material3.DayNight.NoActionBar">
+        <!-- Customize your dark theme here. -->
+        <!-- <item name="colorPrimary">@color/my_dark_primary</item> -->
+    </style>
+</resources>

Assignments/CriminalIntentChapter8/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>

Assignments/CriminalIntentChapter8/app/src/main/res/values/strings.xml

@@ -0,0 +1,10 @@
+<resources>
+    <string name="app_name">CriminalIntentChapter7</string>
+    <string name="crime_title_hint">Enter a title for
+the crime.</string>
+    <string name="crime_title_label">Title</string>
+    <string
+        name="crime_details_label">Details</string>
+    <string name="crime_solved_label">Solved</string>
+
+</resources>

Assignments/CriminalIntentChapter8/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.CriminalIntentChapter7" parent="Theme.Material3.DayNight.NoActionBar">
+        <!-- Customize your light theme here. -->
+        <!-- <item name="colorPrimary">@color/my_light_primary</item> -->
+    </style>
+
+    <style name="Theme.CriminalIntentChapter7" parent="Base.Theme.CriminalIntentChapter7" />
+</resources>

Assignments/CriminalIntentChapter8/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/CriminalIntentChapter8/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/CriminalIntentChapter8/app/src/test/java/com/example/criminalintentchapter8/ExampleUnitTest.java

@@ -0,0 +1,17 @@
+package com.example.criminalintentchapter8;
+
+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);
+    }
+}