ready to tear my hair out

.idea/dictionaries/wyatt.xml

@@ -0,0 +1,7 @@
+<component name="ProjectDictionaryState">
+  <dictionary name="wyatt">
+    <words>
+      <w>descripition</w>
+    </words>
+  </dictionary>
+</component>

.idea/gradle.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>

.idea/misc.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">

app/build.gradle

@@ -1,6 +1,7 @@
 apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-android-extensions'
+apply plugin: 'kotlin-kapt'
 
 android {
     compileSdkVersion 29
@@ -25,15 +26,17 @@ android {
 }
 
 dependencies {
+    def room_version = "2.2.5"
+
+    implementation "androidx.room:room-runtime:$room_version"
     implementation fileTree(dir: "libs", include: ["*.jar"])
     implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
     implementation 'androidx.core:core-ktx:1.3.2'
     implementation 'androidx.appcompat:appcompat:1.2.0'
     implementation 'androidx.constraintlayout:constraintlayout:2.0.3'
-
+    implementation 'androidx.recyclerview:recyclerview:1.1.0'
-    // user implementations
+    implementation 'com.google.android.material:material:1.2.1'
-    // where are they all at??
+    kapt "androidx.room:room-compiler:$room_version"
-    
     testImplementation 'junit:junit:4.12'
     androidTestImplementation 'androidx.test.ext:junit:1.1.2'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'

app/src/main/AndroidManifest.xml

@@ -9,13 +9,14 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
-        <activity android:name=".MainActivity">
+        <activity android:name=".CourseActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <activity android:name=".SettingsActivity"></activity>
     </application>
 
 </manifest>

app/src/main/java/com/wyattjmiller/classscheduleapp/Course.kt

@@ -1,11 +1,20 @@
 package com.wyattjmiller.classscheduleapp
 
+
 class Course {
-    var id: Long = 0
+    var id: Int = 0
     var name: String? = null
     var description: String? = null
     var location: String? = null
-    var dayOfWeek: String? = null
+    var dayofweek: String? = null
     var time: String? = null
     var instructor: String? = null
+
+    constructor() {}
+    constructor(courseId: Int) {
+        this.id = courseId
+    }
+    constructor(courseName: String) {
+        this.name = courseName
+    }
 }

app/src/main/java/com/wyattjmiller/classscheduleapp/CourseActivity.kt

@@ -0,0 +1,222 @@
+package com.wyattjmiller.classscheduleapp
+
+import android.content.Intent
+import android.content.SharedPreferences
+import android.graphics.Color
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+import android.preference.PreferenceManager
+import android.view.*
+import android.widget.TextView
+import android.widget.Toast
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+
+class CourseActivity : AppCompatActivity(), CourseDialogFragment.onCourseEnteredListener {
+    private lateinit var mDialog: CourseDialogFragment
+    private var mCourseListRecyclerView: RecyclerView? = null
+    private var mCourseAdapter: CourseAdapter? = null
+    private lateinit var mCourseDb: CourseDatabase
+    private lateinit var mSelectedCourse: Course
+    private var mActionMode: ActionMode? = null
+    private var mSharedPrefs: SharedPreferences? = null
+    private var mDarkTheme = false
+    private var mSelectedCoursePosition = RecyclerView.NO_POSITION
+
+    // when the app first starts
+    override fun onCreate(savedInstanceState: Bundle?) {
+        mSharedPrefs = PreferenceManager.getDefaultSharedPreferences(this)
+        mDarkTheme = mSharedPrefs!!.getBoolean(SettingsFragment.PREFERENCE_THEME, false)
+        if (mDarkTheme) {
+            setTheme(R.style.DarkTheme)
+        }
+
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_course)
+
+        // mDialog = CourseDialogFragment()
+
+        mCourseListRecyclerView = findViewById(R.id.courseRecyclerView)
+        mCourseDb = CourseDatabase.getInstance(applicationContext)
+        mCourseListRecyclerView = findViewById(R.id.courseRecyclerView)
+        val layoutManager: RecyclerView.LayoutManager = LinearLayoutManager(applicationContext)
+        mCourseListRecyclerView!!.layoutManager = layoutManager
+
+        mCourseAdapter = CourseAdapter(loadCourses())
+        mCourseListRecyclerView!!.adapter = mCourseAdapter
+    }
+
+    override fun onCreateOptionsMenu(menu: Menu?): Boolean {
+        val inflater = menuInflater
+        inflater.inflate(R.menu.course_menu, menu)
+        return true
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        // handle item selection
+        return when (item.itemId) {
+            R.id.settings -> {
+                // starts the settings fragment
+                // dummy snackbar for filler until I can get settings done
+                val intent = Intent(this, SettingsActivity::class.java)
+                startActivity(intent)
+                //Snackbar.make(findViewById(android.R.id.content), "*proceeds to make raspberry noises*", 5000).show()
+                true
+            }
+            R.id.edit -> {
+                // up comes a dialog box editing the desired list item
+                mDialog = CourseDialogFragment()
+                mDialog.getContext(CourseContext.EDIT, mCourseDb)
+                mDialog.show(supportFragmentManager, "")
+                true
+            }
+            R.id.delete -> {
+                // takes out item.itemId aka deletes record
+                true
+            }
+            else -> super.onOptionsItemSelected(item)
+        }
+    }
+
+    override fun onCourseEntered(course: String) {
+        // Returns subject entered in the SubjectDialogFragment dialog
+        if (course!!.isNotEmpty()) {
+            val c = Course(course)
+            if (mCourseDb.addCourse(c)) {
+                mCourseAdapter?.addCourse(c)
+                Toast.makeText(this@CourseActivity, course, Toast.LENGTH_LONG).show()
+            } else {
+                val message = resources.getString("Already exists!".toInt(), course)
+                Toast.makeText(this@CourseActivity, message, Toast.LENGTH_SHORT).show()
+            }
+        }
+    }
+
+    // click the FAB for days
+    fun addCourseClick(view: View) {
+        // brings up dialog to add course
+        // before that, though, we have pass the course context so we know what has to happen to the dialog
+        mDialog = CourseDialogFragment()
+        mDialog.getContext(CourseContext.ADD, mCourseDb)
+        mDialog.show(supportFragmentManager, "")
+    }
+
+    private fun loadCourses() : MutableList<Course> {
+        return mCourseDb.getCourses()
+    }
+
+    private inner class CourseHolder(inflater: LayoutInflater, parent: ViewGroup?) : RecyclerView.ViewHolder(inflater.inflate(R.layout.recycler_view_items, parent, false)), View.OnClickListener, View.OnLongClickListener {
+        private var mCourse: Course? = null
+        private val mTextView: TextView
+
+        fun bind(course: Course) {
+            mCourse = course
+            mTextView.text = course.name
+            mTextView.setBackgroundColor(Color.RED)
+        }
+
+        override fun onClick(view: View) {
+            // Start QuestionActivity, indicating what subject was clicked
+            mDialog = CourseDialogFragment()
+            mDialog.getContext(CourseContext.VIEW, mCourseDb)
+            mDialog.show(supportFragmentManager, "")
+        }
+
+        override fun onLongClick(view: View?): Boolean {
+            if (mActionMode != null) {
+                return false
+            }
+
+            mSelectedCourse = mCourse!!
+            mSelectedCoursePosition = adapterPosition
+
+            // Re-bind the selected item
+            mCourseAdapter?.notifyItemChanged(mSelectedCoursePosition)
+
+            // Show the CAB
+            mActionMode = this@CourseActivity.startActionMode(mActionModeCallback)!!
+            return true
+        }
+
+        private val mActionModeCallback: ActionMode.Callback = object : ActionMode.Callback {
+            override fun onCreateActionMode(mode: ActionMode, menu: Menu?): Boolean {
+                // Provide context menu for CAB
+                val inflater = mode.menuInflater
+                inflater.inflate(R.menu.context_menu, menu)
+                return true
+            }
+
+            override fun onPrepareActionMode(mode: ActionMode?, menu: Menu?): Boolean {
+                return false
+            }
+
+            override fun onActionItemClicked(mode: ActionMode, item: MenuItem): Boolean {
+                // Process action item selection
+                return when (item.getItemId()) {
+                    R.id.delete -> {
+                        // Delete from the database and remove from the RecyclerView
+                        mCourseDb.deleteCourse(mSelectedCourse)
+                        mCourseAdapter?.removeCourse(mSelectedCourse)
+
+                        // Close the CAB
+                        mode.finish()
+                        true
+                    }
+                    else -> false
+                }
+            }
+
+            override fun onDestroyActionMode(mode: ActionMode) {
+                //mActionMode = null
+
+                // CAB closing, need to deselect item if not deleted
+                mCourseAdapter?.notifyItemChanged(mSelectedCoursePosition)
+                mSelectedCoursePosition = RecyclerView.NO_POSITION
+            }
+        }
+
+        init {
+            itemView.setOnClickListener(this)
+            itemView.setOnLongClickListener(this)
+            mTextView = itemView.findViewById(R.id.courseTextView)
+        }
+    }
+
+    private inner class CourseAdapter(private val mCourseList: MutableList<Course>) : RecyclerView.Adapter<CourseHolder>() {
+        override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): CourseHolder {
+            val layoutInflater = LayoutInflater.from(applicationContext)
+            return CourseHolder(layoutInflater, parent)
+        }
+
+        override fun onBindViewHolder(holder: CourseHolder, position: Int) {
+            holder.bind(mCourseList[position])
+        }
+
+        override fun getItemCount(): Int {
+            return mCourseList.size
+        }
+
+        fun removeCourse(course: Course?) {
+            // Find subject in the list
+            val index = mCourseList.indexOf(course)
+            if (index >= 0) {
+                // Remove the subject
+                mCourseList.removeAt(index)
+
+                // Notify adapter of subject removal
+                notifyItemRemoved(index)
+            }
+        }
+
+        fun addCourse(course: Course?) {
+            // Add the new subject at the beginning of the list
+            mCourseList.add(0, course!!)
+
+            // Notify the adapter that item was added to the beginning of the list
+            notifyItemInserted(0)
+
+            // Scroll to the top
+            mCourseListRecyclerView?.scrollToPosition(0)
+        }
+    }
+}

app/src/main/java/com/wyattjmiller/classscheduleapp/CourseContext.kt

@@ -0,0 +1,8 @@
+package com.wyattjmiller.classscheduleapp
+
+enum class CourseContext {
+    ADD,
+    EDIT,
+    VIEW,
+    DELETE
+}

app/src/main/java/com/wyattjmiller/classscheduleapp/CourseDatabase.kt

@@ -4,28 +4,20 @@ import android.content.ContentValues
 import android.content.Context
 import android.database.sqlite.SQLiteDatabase
 import android.database.sqlite.SQLiteOpenHelper
-import android.os.Build
+import java.util.*
-import java.util.ArrayList
 
-class CourseDatabase private constructor(context: Context) : SQLiteOpenHelper(context, DATABASE_NAME, null, VERSION) {
+class CourseDatabase(context: Context?) : SQLiteOpenHelper(context, DATABASE_NAME, null, VERSION) {
     override fun onCreate(db: SQLiteDatabase) {
         db.execSQL(
             "create table " + CourseTable.TABLE + " (" +
-                    CourseTable.COL_ID + " primary key autoincrement, " +
+                    CourseTable.COL_ID + " integer primary key autoincrement, " +
-                    CourseTable.COL_NAME + " int, " +
+                    CourseTable.COL_NAME + " text, " +
-                    CourseTable.COL_DESCRIPTION + " string, " +
+                    CourseTable.COL_DESCRIPTION + " text, " +
-                    CourseTable.COL_LOCATION + " string, " +
+                    CourseTable.COL_LOCATION + " text, " +
-                    CourseTable.COL_DAYOFWEEK + " string, " +
+                    CourseTable.COL_DAYOFWEEK + " text, " +
-                    CourseTable.COL_TIME + " string, " +
+                    CourseTable.COL_TIME + " text, " +
-                    CourseTable.COL_INSTRUCTOR + " string, " +
+                    CourseTable.COL_INSTRUCTOR + " text) "
-                    CourseTable.COL_UPDATE_TIME + " int)"
         )
-
-        val course = Course()
-        val values = ContentValues()
-        values.put(CourseTable.COL_NAME, course.name)
-        db.insert(CourseTable.TABLE, null, values)
-
     }
 
     override fun onUpgrade(db: SQLiteDatabase, oldVersion: Int, newVersion: Int) {
@@ -35,31 +27,27 @@ class CourseDatabase private constructor(context: Context) : SQLiteOpenHelper(co
 
     override fun onOpen(db: SQLiteDatabase) {
         super.onOpen(db)
-
         if (!db.isReadOnly) {
             // Enable foreign key constraints
-            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) {
-                db.execSQL("pragma foreign_keys = on;")
-            } else {
             db.setForeignKeyConstraintsEnabled(true)
         }
     }
-    }
 
-    fun getCourses(course: String): List<Course> {
+    fun getCourses(): MutableList<Course> {
         val courses: MutableList<Course> = ArrayList<Course>()
         val db = this.readableDatabase
-        val sql = ("select * from " + CourseTable.TABLE)
+        val sql =
-        val cursor = db.rawQuery(sql, arrayOf(course))
+            "select * from " + CourseTable.TABLE
+        val cursor = db.rawQuery(sql, null)
 
         if (cursor.moveToFirst()) {
             do {
                 val course = Course()
-                course.id = cursor.getLong(0)
+                course.id = cursor.getInt(0)
                 course.name = cursor.getString(1)
                 course.description = cursor.getString(2)
                 course.location = cursor.getString(3)
-                course.dayOfWeek = cursor.getString(4)
+                course.dayofweek = cursor.getString(4)
                 course.time = cursor.getString(5)
                 course.instructor = cursor.getString(6)
                 courses.add(course)
@@ -70,78 +58,64 @@ class CourseDatabase private constructor(context: Context) : SQLiteOpenHelper(co
         return courses
     }
 
-    fun getCourse(questionId: Long): Course? {
+    fun getCourse(courseId: Long): Course {
-        var course: Course? = null
+        val course = Course()
         val db = this.readableDatabase
-        val sql = ("select * from " + CourseTable.TABLE +
+        val sql
-                " where " + CourseTable.COL_ID + " = ?")
+                = "select * from " + CourseTable.TABLE +
-        val cursor = db.rawQuery(sql, arrayOf(java.lang.Float.toString(questionId.toFloat())))
+                "where " + CourseTable.COL_ID + " = ?"
+        val cursor = db.rawQuery(sql, arrayOf(courseId.toString()))
 
         if (cursor.moveToFirst()) {
-            course?.id = cursor.getLong(0)
+            course.name = cursor.getString(1)
-            course?.name = cursor.getString(1)
+            course.description = cursor.getString(2)
-            course?.description = cursor.getString(2)
+            course.location = cursor.getString(3)
-            course?.location = cursor.getString(3)
+            course.dayofweek = cursor.getString(4)
-            course?.dayOfWeek = cursor.getString(4)
+            course.time = cursor.getString(5)
-            course?.time = cursor.getString(5)
+            course.instructor = cursor.getString(6)
-            course?.instructor = cursor.getString(6)
         }
 
+        cursor.close()
         return course
     }
 
-    fun addCourse(course: Course) {
+    fun addCourse(course: Course): Boolean {
         val db = writableDatabase
         val values = ContentValues()
-
         values.put(CourseTable.COL_NAME, course.name)
         values.put(CourseTable.COL_DESCRIPTION, course.description)
         values.put(CourseTable.COL_LOCATION, course.location)
-        values.put(CourseTable.COL_DAYOFWEEK, course.dayOfWeek)
+        values.put(CourseTable.COL_DAYOFWEEK, course.dayofweek)
         values.put(CourseTable.COL_TIME, course.time)
         values.put(CourseTable.COL_INSTRUCTOR, course.instructor)
-
+        val id = db.insert(CourseTable.TABLE, null, values)
-        val courseId = db.insert(CourseTable.TABLE, null, values)
+        return id != -1L
-
-        course.id = courseId
     }
 
     fun updateCourse(course: Course) {
         val db = writableDatabase
         val values = ContentValues()
 
-        values.put(CourseTable.COL_ID, course.id)
+        db.update(CourseTable.TABLE, values, CourseTable.COL_NAME + " = ?", arrayOf(course.name))
-        values.put(CourseTable.COL_NAME, course.name)
-        values.put(CourseTable.COL_DESCRIPTION, course.description)
-        values.put(CourseTable.COL_LOCATION, course.location)
-        values.put(CourseTable.COL_DAYOFWEEK, course.dayOfWeek)
-        values.put(CourseTable.COL_TIME, course.time)
-        values.put(CourseTable.COL_INSTRUCTOR, course.instructor)
-
-        db.update(
-            CourseTable.TABLE, values,
-            CourseTable.COL_ID + " = " + course.id, null
-        )
     }
 
-    fun deleteCourse(courseId: Long) {
+    fun deleteCourse(course: Course) {
         val db = writableDatabase
-        db.delete(
+        db.delete(CourseTable.TABLE, CourseTable.COL_NAME + " = ?", arrayOf(course.name))
-            CourseTable.TABLE,
-            CourseTable.COL_ID + " = " + courseId, null
-        )
     }
 
     companion object {
-        private val VERSION = 1
+        private const val DATABASE_NAME = "courses.db"
-        private val DATABASE_NAME = "study.db"
+        private const val VERSION = 1
-        private var mStudyDb: CourseDatabase? = null
+        private var mCourseDb: CourseDatabase? = null
 
-        fun getInstance(context: Context): CourseDatabase? {
+        fun getInstance(context: Context?): CourseDatabase {
-            if (mStudyDb == null) {
+            if (mCourseDb == null) {
-                mStudyDb = CourseDatabase(context)
+                mCourseDb = CourseDatabase(context)
             }
-            return mStudyDb
+            return mCourseDb!!
         }
     }
 }
+
+

app/src/main/java/com/wyattjmiller/classscheduleapp/CourseDialogFragment.kt

@@ -0,0 +1,124 @@
+package com.wyattjmiller.classscheduleapp
+
+import android.app.Dialog
+import android.content.Context
+import android.os.Bundle
+import android.widget.Button
+import android.widget.EditText
+import android.widget.TextView
+import android.widget.Toast
+import androidx.appcompat.app.AlertDialog
+import androidx.fragment.app.DialogFragment
+
+class CourseDialogFragment : DialogFragment() {
+    private lateinit var mTextViewTitle: TextView
+    private lateinit var mEditTextCourseName: EditText
+    private lateinit var mEditTextCourseInstructor: EditText
+    private lateinit var mEditTextCourseLocation: EditText
+    private lateinit var mEditTextDayOfWeek: EditText
+    private lateinit var mEditTextCourseTime: EditText
+    private lateinit var mEditTextCourseDescription: EditText
+    private lateinit var mContext: CourseContext
+    private lateinit var mCourseDb: CourseDatabase
+    private var mCourse: Course = Course()
+
+    interface onCourseEnteredListener {
+        fun onCourseEntered(course: String)
+    }
+
+    private lateinit var mDoneButton: Button
+    private var mListener: onCourseEnteredListener? = null
+
+    override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
+        val builder = AlertDialog.Builder(this.activity!!)
+        val dialogView = activity!!.layoutInflater.inflate(R.layout.dialog_course, null)
+
+        mDoneButton = dialogView.findViewById(R.id.buttonFinish)
+        mTextViewTitle = dialogView.findViewById(R.id.textViewTitle)
+        mEditTextCourseName = dialogView.findViewById(R.id.editTextCourseName)
+        mEditTextCourseLocation = dialogView.findViewById(R.id.editTextCourseLocation)
+        mEditTextCourseInstructor = dialogView.findViewById(R.id.editTextCourseInstructor)
+        mEditTextDayOfWeek = dialogView.findViewById(R.id.editTextCourseDayOfWeek)
+        mEditTextCourseTime = dialogView.findViewById(R.id.editTextCourseTime)
+        mEditTextCourseDescription = dialogView.findViewById(R.id.editTextCourseDescription)
+
+        when (mContext) {
+            CourseContext.ADD -> {
+                // TODO: set title to add course and when pressing done, add to database
+            }
+            CourseContext.EDIT -> {
+                // TODO: set title to edit course and when pressing done, modify record to database
+            }
+            CourseContext.VIEW -> {
+                // TODO: set title to view course, make everything text, and when pressing done, close dialog
+            }
+        }
+
+        builder.setView(dialogView)
+
+        mDoneButton.setOnClickListener {
+            when (mContext) {
+                CourseContext.ADD -> {
+                    mCourse.name = mEditTextCourseName.text.toString()
+                    mCourse.description = mEditTextCourseDescription.text.toString()
+                    mCourse.location = mEditTextCourseLocation.text.toString()
+                    mCourse.dayofweek = mEditTextDayOfWeek.text.toString()
+                    mCourse.time = mEditTextCourseTime.text.toString()
+                    mCourse.instructor = mEditTextCourseInstructor.text.toString()
+
+                    val valid = this.validityCheck()
+                    if (valid) {
+                        val course = mCourse.name
+                        mListener?.onCourseEntered(course!!.trim())
+                        dismiss()
+                    }
+                }
+                CourseContext.EDIT -> {
+                    mCourse.name = mEditTextCourseName.text.toString()
+                    mCourse.description = mEditTextCourseDescription.text.toString()
+                    mCourse.location = mEditTextCourseLocation.text.toString()
+                    mCourse.dayofweek = mEditTextDayOfWeek.text.toString()
+                    mCourse.time = mEditTextCourseTime.text.toString()
+                    mCourse.instructor = mEditTextCourseInstructor.text.toString()
+
+                    val valid = this.validityCheck()
+                    if (valid) {
+                        val course = mCourse.name
+                        mListener?.onCourseEntered(course!!.trim())
+                        dismiss()
+                    }
+                }
+                CourseContext.VIEW -> {
+                    dismiss()
+                }
+            }
+        }
+
+        return builder.create()
+    }
+
+    fun getContext(context: CourseContext, database: CourseDatabase) {
+        mContext = context
+        mCourseDb = database
+    }
+
+    override fun onAttach(context: Context) {
+        super.onAttach(context)
+        mListener = context as onCourseEnteredListener
+    }
+
+    private fun validityCheck() : Boolean {
+        return if (mEditTextCourseName.text.toString() == "" || mEditTextCourseLocation.text.toString() == "" || mEditTextDayOfWeek.text.toString() == ""
+            || mEditTextCourseTime.text.toString() == "" || mEditTextCourseInstructor.text.toString() == "" || mEditTextCourseDescription.text.toString() == "") {
+            Toast.makeText(this.activity!!, "Please fill in all of the fields", Toast.LENGTH_LONG).show()
+            false
+        } else {
+            true
+        }
+    }
+
+    companion object {
+        const val EXTRA_COURSE_ID = "com.wyattjmiller.classscheduleapp.course_id"
+    }
+
+}

app/src/main/java/com/wyattjmiller/classscheduleapp/CourseTable.kt

@@ -1,13 +1,12 @@
 package com.wyattjmiller.classscheduleapp
 
 object CourseTable {
-    val TABLE = "class"
+    const val TABLE = "course"
-    val COL_ID = "_id"
+    const val COL_ID = "_id"
-    val COL_NAME = "name"
+    const val COL_NAME = "name"
-    val COL_DESCRIPTION = "description"
+    const val COL_DESCRIPTION = "description"
-    val COL_LOCATION = "location"
+    const val COL_LOCATION = "location"
-    val COL_DAYOFWEEK = "dayofweek"
+    const val COL_DAYOFWEEK = "dayofweek"
-    val COL_TIME = "time"
+    const val COL_TIME = "time"
-    val COL_INSTRUCTOR = "instructor"
+    const val COL_INSTRUCTOR = "instructor"
-    val COL_UPDATE_TIME = "updated"
 }

app/src/main/java/com/wyattjmiller/classscheduleapp/MainActivity.kt

@@ -1,11 +0,0 @@
-package com.wyattjmiller.classscheduleapp
-
-import androidx.appcompat.app.AppCompatActivity
-import android.os.Bundle
-
-class MainActivity : AppCompatActivity() {
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        setContentView(R.layout.activity_main)
-    }
-}

app/src/main/java/com/wyattjmiller/classscheduleapp/SettingsActivity.java

@@ -0,0 +1,18 @@
+package com.wyattjmiller.classscheduleapp;
+
+import android.os.Bundle;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+public class SettingsActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        // Display the fragment as the main content
+        getFragmentManager().beginTransaction()
+                .replace(android.R.id.content, new SettingsFragment())
+                .commit();
+    }
+}

app/src/main/java/com/wyattjmiller/classscheduleapp/SettingsFragment.java

@@ -0,0 +1,50 @@
+package com.wyattjmiller.classscheduleapp;
+
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.preference.Preference;
+import android.preference.PreferenceFragment;
+import android.preference.PreferenceManager;
+
+public class SettingsFragment extends PreferenceFragment {
+
+    public static String PREFERENCE_THEME = "pref_theme";
+    public static String PREFERENCE_SUBJECT_ORDER = "pref_subject_order";
+    public static String PREFERENCE_DEFAULT_QUESTION = "pref_default_question";
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        // Load the preferences from an XML resource
+        addPreferencesFromResource(R.xml.preferences);
+
+        // Access the default shared prefs
+        SharedPreferences sharedPrefs =
+                PreferenceManager.getDefaultSharedPreferences(getActivity());
+
+        setPrefSummarySubjectOrder(sharedPrefs);
+        setPrefSummaryDefaultQuestion(sharedPrefs);
+    }
+
+    // Set the summary to the currently selected subject order
+    private void setPrefSummarySubjectOrder(SharedPreferences sharedPrefs) {
+        String order = sharedPrefs.getString(PREFERENCE_SUBJECT_ORDER, "1");
+        String[] subjectOrders = getResources().getStringArray(R.array.pref_subject_order);
+        Preference subjectOrderPref = findPreference(PREFERENCE_SUBJECT_ORDER);
+        subjectOrderPref.setSummary(subjectOrders[Integer.parseInt(order)]);
+    }
+
+    // Set the summary to the default question
+    private void setPrefSummaryDefaultQuestion(SharedPreferences sharedPrefs) {
+        String defaultQuestion = sharedPrefs.getString(PREFERENCE_DEFAULT_QUESTION, "");
+        defaultQuestion = defaultQuestion.trim();
+        Preference questionPref = findPreference(PREFERENCE_DEFAULT_QUESTION);
+        if (defaultQuestion.length() == 0) {
+            questionPref.setSummary(getResources().getString(R.string.pref_none));
+        }
+        else {
+            questionPref.setSummary(defaultQuestion);
+        }
+    }
+}

app/src/main/res/drawable-v24/add.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24.0"
+    android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FFFFFFFF"
+        android:pathData="M19,13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z"/>
+</vector>

app/src/main/res/drawable-v24/delete.xml

@@ -0,0 +1,11 @@
+<!-- drawable/delete.xml -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24.0"
+    android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FFFFFFFF"
+        android:pathData="M6,19c0,1.1 0.9,2 2,2h8c1.1,0 2,-0.9 2,-2V7H6v12zM19,4h-3.5l-1,-1h-5l-1,1H5v2h14V4z"/>
+</vector>
+

app/src/main/res/drawable/edit.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M3,17.25V21h3.75L17.81,9.94l-3.75,-3.75L3,17.25zM20.71,7.04c0.39,-0.39 0.39,-1.02 0,-1.41l-2.34,-2.34c-0.39,-0.39 -1.02,-0.39 -1.41,0l-1.83,1.83 3.75,3.75 1.83,-1.83z"/>
+</vector>

app/src/main/res/drawable/settings.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M19.14,12.94c0.04,-0.3 0.06,-0.61 0.06,-0.94c0,-0.32 -0.02,-0.64 -0.07,-0.94l2.03,-1.58c0.18,-0.14 0.23,-0.41 0.12,-0.61l-1.92,-3.32c-0.12,-0.22 -0.37,-0.29 -0.59,-0.22l-2.39,0.96c-0.5,-0.38 -1.03,-0.7 -1.62,-0.94L14.4,2.81c-0.04,-0.24 -0.24,-0.41 -0.48,-0.41h-3.84c-0.24,0 -0.43,0.17 -0.47,0.41L9.25,5.35C8.66,5.59 8.12,5.92 7.63,6.29L5.24,5.33c-0.22,-0.08 -0.47,0 -0.59,0.22L2.74,8.87C2.62,9.08 2.66,9.34 2.86,9.48l2.03,1.58C4.84,11.36 4.8,11.69 4.8,12s0.02,0.64 0.07,0.94l-2.03,1.58c-0.18,0.14 -0.23,0.41 -0.12,0.61l1.92,3.32c0.12,0.22 0.37,0.29 0.59,0.22l2.39,-0.96c0.5,0.38 1.03,0.7 1.62,0.94l0.36,2.54c0.05,0.24 0.24,0.41 0.48,0.41h3.84c0.24,0 0.44,-0.17 0.47,-0.41l0.36,-2.54c0.59,-0.24 1.13,-0.56 1.62,-0.94l2.39,0.96c0.22,0.08 0.47,0 0.59,-0.22l1.92,-3.32c0.12,-0.22 0.07,-0.47 -0.12,-0.61L19.14,12.94zM12,15.6c-1.98,0 -3.6,-1.62 -3.6,-3.6s1.62,-3.6 3.6,-3.6s3.6,1.62 3.6,3.6S13.98,15.6 12,15.6z"/>
+</vector>

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

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout
+    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:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".CourseActivity">
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/courseRecyclerView"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+
+    <com.google.android.material.floatingactionbutton.FloatingActionButton
+        android:id="@+id/addCourseButton"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:onClick="addCourseClick"
+        android:layout_gravity="end|bottom"
+        app:srcCompat="@drawable/add"
+        android:layout_margin="16dp" />
+
+
+
+</FrameLayout>

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

@@ -1,18 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout 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:layout_width="match_parent"
-    android:layout_height="match_parent"
-    tools:context=".MainActivity">
-
-    <TextView
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="Hello World!"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintLeft_toLeftOf="parent"
-        app:layout_constraintRight_toRightOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
-
-</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -0,0 +1,172 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout
+    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:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <TextView
+        android:id="@+id/textViewCourseName"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:text="Name"
+        android:textSize="18sp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toStartOf="@+id/editTextCourseName"
+        app:layout_constraintHorizontal_bias="0.0"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textViewTitle"
+        app:layout_constraintVertical_bias="0.059" />
+
+    <EditText
+        android:id="@+id/editTextCourseName"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="28dp"
+        android:layout_marginEnd="16dp"
+        android:ems="10"
+        android:inputType="textPersonName"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textViewTitle" />
+
+    <TextView
+        android:id="@+id/textViewTitle"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="16dp"
+        android:text="Course Dialog"
+        android:textSize="24sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <TextView
+        android:id="@+id/textViewCourseLocation"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="44dp"
+        android:text="Location"
+        android:textSize="18sp"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textViewCourseName" />
+
+    <EditText
+        android:id="@+id/editTextCourseLocation"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="24dp"
+        android:layout_marginEnd="16dp"
+        android:ems="10"
+        android:inputType="textPersonName"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/editTextCourseName" />
+
+    <EditText
+        android:id="@+id/editTextCourseDayOfWeek"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="24dp"
+        android:layout_marginEnd="16dp"
+        android:ems="10"
+        android:inputType="textPersonName"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/editTextCourseLocation" />
+
+    <TextView
+        android:id="@+id/textViewCourseDayOfWeek"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="44dp"
+        android:text="Day of Week"
+        android:textSize="18sp"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textViewCourseLocation" />
+
+    <TextView
+        android:id="@+id/textViewCourseTime"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="44dp"
+        android:text="Time"
+        android:textSize="18sp"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textViewCourseDayOfWeek" />
+
+    <EditText
+        android:id="@+id/editTextCourseTime"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="24dp"
+        android:layout_marginEnd="16dp"
+        android:ems="10"
+        android:inputType="time"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/editTextCourseDayOfWeek" />
+
+    <TextView
+        android:id="@+id/textViewCourseInstructor"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="44dp"
+        android:text="Instructor"
+        android:textSize="18sp"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textViewCourseTime" />
+
+    <EditText
+        android:id="@+id/editTextCourseInstructor"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="24dp"
+        android:layout_marginEnd="16dp"
+        android:ems="10"
+        android:inputType="textPersonName"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/editTextCourseTime" />
+
+    <Button
+        android:id="@+id/buttonFinish"
+        android:layout_width="246dp"
+        android:layout_height="44dp"
+        android:layout_marginBottom="16dp"
+        android:onClick="onClickFinish"
+        android:text="Done"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.496"
+        app:layout_constraintStart_toStartOf="parent" />
+
+    <EditText
+        android:id="@+id/editTextCourseDescription"
+        android:layout_width="327dp"
+        android:layout_height="135dp"
+        android:layout_marginStart="16dp"
+        android:layout_marginEnd="16dp"
+        android:ems="10"
+        android:gravity="start|top"
+        android:inputType="textMultiLine"
+        app:layout_constraintBottom_toTopOf="@+id/buttonFinish"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.461"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textViewCourseDescription"
+        app:layout_constraintVertical_bias="0.087" />
+
+    <TextView
+        android:id="@+id/textViewCourseDescription"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="36dp"
+        android:text="Description"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.058"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textViewCourseInstructor" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.cardview.widget.CardView
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:card_view="http://schemas.android.com/apk/res-auto"
+    android:id="@+id/cardview1"
+    android:layout_width="match_parent"
+    android:layout_height="150dp"
+    card_view:cardCornerRadius="5dp"
+    card_view:cardUseCompatPadding="true">
+
+    <TextView
+        android:id="@+id/courseTextView"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:textSize="20sp"
+        android:textStyle="bold"
+        android:textColor="#000"
+        android:padding="10dp"
+        android:layout_gravity="center"
+        android:gravity="center" />
+
+</androidx.cardview.widget.CardView>

app/src/main/res/menu/context_menu.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <item android:id="@+id/delete"
+        android:title="@string/delete"
+        android:icon="@drawable/delete"
+        app:showAsAction="ifRoom">
+    </item>
+
+    <item android:id="@+id/edit"
+        android:title="@string/edit"
+        android:icon="@drawable/edit"
+        app:showAsAction="ifRoom">
+    </item>
+</menu>
+

app/src/main/res/menu/course_menu.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <item android:id="@+id/settings"
+        android:icon="@drawable/settings"
+        android:title="@string/settings"
+        app:showAsAction="ifRoom"/>
+</menu>
+

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

@@ -3,4 +3,10 @@
     <color name="colorPrimary">#6200EE</color>
     <color name="colorPrimaryDark">#3700B3</color>
     <color name="colorAccent">#03DAC5</color>
+
+    <color name="colorBackgroundDark">#000</color>
+    <color name="colorAppBar">#023</color>
+    <color name="colorText">#BBB</color>
+    <color name="colorTextSecondary">#999</color>
+    <color name="colorButton">#555</color>
 </resources>

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

@@ -1,3 +1,47 @@
+<?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <string name="app_name">ClassScheduleApp</string>
+    <string name="app_name">Class Scheduler</string>
+    <string name="previous">Previous</string>
+    <string name="next">Next</string>
+    <string name="add">Add</string>
+    <string name="delete">Delete</string>
+    <string name="edit">Edit</string>
+    <string name="update">Update</string>
+    <string name="course_deleted">Class deleted.</string>
+    <string name="course_added">Class added.</string>
+    <string name="course_updated">Class updated.</string>
+    <string name="create">Create</string>
+    <string name="course">New class?</string>
+    <string name="name">Name</string>
+    <string name="descripition">Description</string>
+    <string name="location">Location</string>
+    <string name="dayofweek">Day of Week</string>
+    <string name="time">Time</string>
+    <string name="instructor">Instructor</string>
+    <string name="cancel">Cancel</string>
+    <string name="update_course">Update Class</string>
+    <string name="add_course">Add Class</string>
+    <string name="no_courses">No classes exist for this subject.</string>
+    <string name="course_exists">The class "%1$s" already exists.</string>
+    <string name="course_number">%1$s (%2$d of %3$d)</string>
+    <string name="select_course">Select a class:</string>
+    <string name="undo">Undo</string>
+    <string name="settings">Settings</string>
+    <string name="pref_title_theme">Dark theme</string>
+    <string name="pref_description_theme">Turn on dark theme</string>
+    <string name="pref_title_default_question">Default question</string>
+    <string name="pref_title_subject_order">Subject order</string>
+    <string name="pref_none">None</string>
+
+    <string-array name="pref_subject_order">
+        <item>Alphabetic</item>
+        <item>Most recent first</item>
+        <item>Oldest first</item>
+    </string-array>
+
+    <string-array name="pref_subject_order_values">
+        <item>0</item>
+        <item>1</item>
+        <item>2</item>
+    </string-array>
 </resources>

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

@@ -7,4 +7,14 @@
         <item name="colorAccent">@color/colorAccent</item>
     </style>
 
+    <style name="DarkTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+        <item name="colorPrimary">@color/colorAppBar</item>
+        <item name="colorPrimaryDark">@color/colorBackgroundDark</item>
+        <item name="colorAccent">@color/colorPrimaryDark</item>
+        <item name="android:colorBackground">@color/colorBackgroundDark</item>
+        <item name="android:textColor">@color/colorText</item>
+        <item name="android:textColorSecondary">@color/colorTextSecondary</item>
+        <item name="android:editTextColor">@color/colorText</item>
+        <item name="colorButtonNormal">@color/colorButton</item>
+    </style>
 </resources>

app/src/main/res/xml/preferences.xml

@@ -0,0 +1,26 @@
+<PreferenceScreen
+    xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <SwitchPreference
+        android:defaultValue="false"
+        android:key="pref_theme"
+        android:title="@string/pref_title_theme"
+        android:summary="@string/pref_description_theme" />
+
+    <ListPreference
+        android:defaultValue="1"
+        android:entries="@array/pref_subject_order"
+        android:entryValues="@array/pref_subject_order_values"
+        android:key="pref_subject_order"
+        android:negativeButtonText="@null"
+        android:positiveButtonText="@null"
+        android:title="@string/pref_title_subject_order" />
+
+    <EditTextPreference
+        android:key="pref_default_question"
+        android:inputType="text"
+        android:maxLines="1"
+        android:selectAllOnFocus="true"
+        android:title="@string/pref_title_default_question" />
+
+</PreferenceScreen>

build.gradle

@@ -6,7 +6,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath "com.android.tools.build:gradle:4.0.1"
+        classpath 'com.android.tools.build:gradle:4.0.1'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
 
         // NOTE: Do not place your application dependencies here; they belong