Initial commit with basic income/expense adding/persistence

.gitignore

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+*.iml
+.gradle
+/local.properties
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+*.log
+.idea/
+*~

app/.gitignore

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

app/build.gradle

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+apply plugin: 'com.android.application'
+
+apply plugin: 'kotlin-kapt'
+
+apply plugin: 'kotlin-android'
+
+apply plugin: 'kotlin-android-extensions'
+
+
+android {
+    compileSdkVersion 27
+    defaultConfig {
+        applicationId "com.wbrawner.myallowance"
+        minSdkVersion 23
+        targetSdkVersion 27
+        versionCode 1
+        versionName "1.0"
+        vectorDrawables {
+            useSupportLibrary = true
+        }
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation 'com.android.support:appcompat-v7:27.1.1'
+    implementation 'com.android.support.constraint:constraint-layout:1.1.2'
+    implementation 'com.android.support:design:27.1.1'
+    def room_version = "1.1.1"
+    def lifecycle_version = "1.1.1"
+    // ViewModel and LiveData
+    implementation "android.arch.lifecycle:extensions:$lifecycle_version"
+    implementation "android.arch.persistence.room:runtime:$room_version"
+    kapt "android.arch.persistence.room:compiler:$room_version"
+    testImplementation "android.arch.persistence.room:testing:$room_version"
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'com.android.support.test:runner:1.0.2'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+}

app/proguard-rules.pro

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+# 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

app/src/androidTest/java/com/wbrawner/myallowance/ExampleInstrumentedTest.kt

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+package com.wbrawner.myallowance
+
+import android.support.test.InstrumentationRegistry
+import android.support.test.runner.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getTargetContext()
+        assertEquals("com.wbrawner.myallowance", appContext.packageName)
+    }
+}

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"
+    package="com.wbrawner.myallowance">
+
+    <application
+        android:name=".AllowanceApplication"
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+        <activity android:name=".transactions.TransactionListActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+            <meta-data
+                android:name="android.app.shortcuts"
+                android:resource="@xml/shortcuts" />
+        </activity>
+        <activity android:name=".addedittransaction.AddEditTransactionActivity" />
+    </application>
+
+</manifest>

app/src/main/java/com/wbrawner/myallowance/AllowanceApplication.kt

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+package com.wbrawner.myallowance
+
+import android.app.Application
+import android.arch.lifecycle.ViewModelProvider
+import android.arch.persistence.room.Room
+import android.arch.persistence.room.Transaction
+import com.wbrawner.myallowance.data.TransactionDao
+import com.wbrawner.myallowance.data.TransactionsDatabase
+
+class AllowanceApplication: Application() {
+    lateinit var database: TransactionsDatabase
+    private set
+
+    lateinit var dao: TransactionDao
+    private set
+
+    override fun onCreate() {
+        super.onCreate()
+
+        database = Room.databaseBuilder(applicationContext, TransactionsDatabase::class.java, "transactions")
+                .build()
+        dao = database.dao()
+
+    }
+}

app/src/main/java/com/wbrawner/myallowance/addedittransaction/AddEditTransactionActivity.kt

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+package com.wbrawner.myallowance.addedittransaction
+
+import android.arch.lifecycle.ViewModelProviders
+import android.support.v7.app.AppCompatActivity
+import android.os.Bundle
+import android.view.Menu
+import android.view.MenuItem
+import com.wbrawner.myallowance.R
+import com.wbrawner.myallowance.data.Transaction
+import com.wbrawner.myallowance.data.TransactionType
+import com.wbrawner.myallowance.transactions.TransactionViewModel
+import kotlinx.android.synthetic.main.activity_add_edit_transaction.*
+import java.util.*
+
+class AddEditTransactionActivity : AppCompatActivity() {
+    lateinit var viewModel: TransactionViewModel
+    lateinit var type: TransactionType
+    var date: Date = Date()
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_add_edit_transaction)
+        supportActionBar?.setDisplayHomeAsUpEnabled(true)
+        viewModel = ViewModelProviders.of(this).get(TransactionViewModel::class.java)
+        type = TransactionType.valueOf(intent?.extras?.getString(EXTRA_TYPE, "EXPENSE")?: "EXPENSE")
+        setTitle(type.addTitle)
+    }
+
+
+    override fun onCreateOptionsMenu(menu: Menu?): Boolean {
+        menuInflater.inflate(R.menu.menu_add_edit, menu)
+        return true
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem?): Boolean {
+        when (item?.itemId) {
+            android.R.id.home -> onBackPressed()
+            R.id.action_save -> {
+                val field = edit_transaction_date
+                val cal = Calendar.getInstance()
+                cal.set(field.year, field.month, field.dayOfMonth)
+
+                viewModel.saveTransaction(Transaction(
+                        id = null,
+                        title = edit_transaction_title.text.toString(),
+                        date = cal.time,
+                        description = edit_transaction_description.text.toString(),
+                        amount = edit_transaction_amount.text.toString().toDouble(),
+                        type = type
+                ))
+                finish()
+            }
+        }
+        return true
+    }
+
+
+    companion object {
+        const val EXTRA_TYPE = "EXTRA_TRANSACTION_TYPE"
+        const val EXTRA_TRANSACTION_ID = "EXTRA_TRANSACTION_ID"
+    }
+}

app/src/main/java/com/wbrawner/myallowance/addedittransaction/AddEditTransactionDialog.kt

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+package com.wbrawner.myallowance.addedittransaction
+
+import android.content.Context
+import android.support.v7.app.AlertDialog
+
+class AddEditTransactionDialog(context: Context) : AlertDialog(context) {
+
+}

app/src/main/java/com/wbrawner/myallowance/data/Transaction.kt

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+package com.wbrawner.myallowance.data
+
+import android.arch.persistence.room.Entity
+import android.arch.persistence.room.PrimaryKey
+import java.util.*
+
+@Entity
+class Transaction(
+        @PrimaryKey
+        val id: Int?,
+        val title: String,
+        val date: Date,
+        val description: String,
+        val amount: Double,
+        val type: TransactionType
+)

app/src/main/java/com/wbrawner/myallowance/data/TransactionDao.kt

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+package com.wbrawner.myallowance.data
+
+import android.arch.lifecycle.LiveData
+import android.arch.persistence.room.Dao
+import android.arch.persistence.room.Insert
+import android.arch.persistence.room.OnConflictStrategy.REPLACE
+import android.arch.persistence.room.Query
+
+@Dao
+interface TransactionDao {
+    @Insert(onConflict = REPLACE)
+    fun save(transaction: Transaction)
+
+    @Query("SELECT * FROM `Transaction` WHERE id = :id")
+    fun load(id: Int): LiveData<Transaction>
+
+    @Query("SELECT * FROM `Transaction` LIMIT :count")
+    fun loadMultiple(count: Int): LiveData<List<Transaction>>
+
+    @Query("SELECT * FROM `Transaction` WHERE type = :type LIMIT :count")
+    fun loadMultipleByType(count: Int, type: TransactionType): LiveData<List<Transaction>>
+
+    @Query("SELECT (SELECT TOTAL(amount) from `Transaction` WHERE type = 'INCOME') - (SELECT TOTAL(amount) from `Transaction` WHERE type = 'EXPENSE')")
+    fun getBalance(): LiveData<Double>
+}

app/src/main/java/com/wbrawner/myallowance/data/TransactionRepository.kt

@@ -0,0 +1,57 @@
+package com.wbrawner.myallowance.data
+
+import android.arch.lifecycle.LiveData
+import android.arch.lifecycle.MutableLiveData
+import android.os.Handler
+import android.os.HandlerThread
+import java.util.*
+
+class TransactionRepository(val dao: TransactionDao) {
+    val handler: Handler
+    val uiHandler: Handler = Handler()
+
+    init {
+        val thread = HandlerThread("transactions")
+        thread.start()
+        handler = Handler(thread.looper)
+    }
+
+    fun getTransactionsByType(count: Int, type: TransactionType): LiveData<List<Transaction>> =
+            dao.loadMultipleByType(count, type)
+
+    fun getTransactions(count: Int): LiveData<List<Transaction>> = dao.loadMultiple(count)
+
+//    fun getTransactions(count: Int): LiveData<List<Transaction>> {
+//        val data = MutableLiveData<List<Transaction>>()
+//
+//        handler.post {
+//            val transactions = ArrayList<Transaction>()
+//            for (i in 0..count) {
+//                transactions.add(Transaction(
+//                        i,
+//                        "Transaction $i",
+//                        Date(),
+//                        "Spent some money on something",
+//                        (Math.random() * 100).toFloat(),
+//                        TransactionType.EXPENSE
+//                ))
+//            }
+//
+//            uiHandler.post {
+//                data.value = transactions
+//            }
+//        }
+//
+//        return data
+//    }
+
+    fun getTransaction(id: Int): LiveData<Transaction> = dao.load(id)
+
+
+    fun save(transaction: Transaction) {
+        handler.post { dao.save(transaction) }
+    }
+
+
+    fun getCurrentBalance(): LiveData<Double> = dao.getBalance()
+}

app/src/main/java/com/wbrawner/myallowance/data/TransactionType.kt

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+package com.wbrawner.myallowance.data
+
+import android.support.annotation.StringRes
+import com.wbrawner.myallowance.R
+import java.io.Serializable
+
+enum class TransactionType(@StringRes val title: Int, @StringRes val addTitle: Int) : Serializable {
+    INCOME(R.string.title_income, R.string.title_add_income),
+    EXPENSE(R.string.title_expenses, R.string.title_add_expense);
+}

app/src/main/java/com/wbrawner/myallowance/data/TransactionsDatabase.kt

@@ -0,0 +1,11 @@
+package com.wbrawner.myallowance.data
+
+import android.arch.persistence.room.Database
+import android.arch.persistence.room.RoomDatabase
+import android.arch.persistence.room.TypeConverters
+
+@Database(entities = [(Transaction::class)], version = 1, exportSchema = false)
+@TypeConverters(DateTypeConverter::class, TransactionTypeTypeConverter::class)
+abstract class TransactionsDatabase: RoomDatabase() {
+    abstract fun dao(): TransactionDao
+}

app/src/main/java/com/wbrawner/myallowance/data/TypeConverters.kt

@@ -0,0 +1,25 @@
+package com.wbrawner.myallowance.data
+
+import java.text.SimpleDateFormat
+import java.util.*
+
+class TransactionTypeTypeConverter {
+    @android.arch.persistence.room.TypeConverter
+    fun toTransactionType(value: String): TransactionType? = TransactionType.valueOf(value)
+
+    @android.arch.persistence.room.TypeConverter
+    fun toString(type: TransactionType?): String? = type?.name
+}
+
+class DateTypeConverter {
+    @android.arch.persistence.room.TypeConverter
+    fun toDate(value: String): Date? = dateFormat.parse(value)
+
+    @android.arch.persistence.room.TypeConverter
+    fun toString(date: Date): String? = dateFormat.format(date)
+
+    companion object {
+        @JvmStatic
+        val dateFormat = SimpleDateFormat("yyyy-MM-dd", Locale.getDefault())
+    }
+}

app/src/main/java/com/wbrawner/myallowance/overview/OverviewFragment.kt

@@ -0,0 +1,67 @@
+package com.wbrawner.myallowance.overview
+
+import android.arch.lifecycle.Observer
+import android.arch.lifecycle.ViewModelProviders
+import android.os.Bundle
+import android.support.v4.app.Fragment
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.TextView
+import com.wbrawner.myallowance.R
+import com.wbrawner.myallowance.transactions.TransactionViewModel
+
+class OverviewFragment : Fragment() {
+    lateinit var viewModel: TransactionViewModel
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        if (activity == null) {
+            return
+        }
+
+        if (savedInstanceState != null) {
+            return
+        }
+
+        viewModel = ViewModelProviders.of(activity!!).get(TransactionViewModel::class.java)
+
+    }
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+        val view = inflater.inflate(R.layout.fragment_overview, container, false)
+        viewModel.getTransactions(1).observe(this, Observer { data ->
+            if (data == null || data.isEmpty()) {
+                showData(view, false)
+                return@Observer
+            }
+
+            viewModel.getCurrentBalance().observe(this, Observer { balance ->
+                val safeBalance: Double = balance?: 0.0
+                val balanceView = view.findViewById<TextView>(R.id.overview_current_balance)
+                val color = when {
+                    safeBalance > 0.0 -> R.color.colorTextGreen
+                    safeBalance == 0.0 -> R.color.colorTextPrimary
+                    else -> R.color.colorTextRed
+                }
+                balanceView.setTextColor(resources.getColor(color, activity!!.theme))
+                balanceView.text = String.format("${'$'}%.02f", safeBalance)
+            })
+            showData(view, true)
+        })
+        return view
+    }
+
+    private fun showData(view: View, show: Boolean) {
+        val dataVisibility = if (show) View.VISIBLE else View.GONE
+        val noDataVisibility =  if (show) View.GONE else View.VISIBLE
+        view.findViewById<TextView>(R.id.overview_current_balance_label).visibility = dataVisibility
+        view.findViewById<TextView>(R.id.overview_current_balance).visibility = dataVisibility
+        view.findViewById<TextView>(R.id.overview_no_data).visibility = noDataVisibility
+    }
+
+    companion object {
+        const val TAG_FRAGMENT = "overview"
+        const val TITLE_FRAGMENT = R.string.title_dashboard
+    }
+}

app/src/main/java/com/wbrawner/myallowance/transactions/TransactionAdapter.kt

@@ -0,0 +1,31 @@
+package com.wbrawner.myallowance.transactions
+
+import android.support.v7.widget.RecyclerView
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.TextView
+import com.wbrawner.myallowance.R
+import com.wbrawner.myallowance.data.Transaction
+
+class TransactionAdapter(private val data: List<Transaction>)
+    : RecyclerView.Adapter<TransactionAdapter.ViewHolder>() {
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
+        val view = LayoutInflater.from(parent.context)
+                .inflate(R.layout.list_item_transaction, parent, false)
+        return ViewHolder(view)
+    }
+
+    override fun getItemCount(): Int = data.size
+
+    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
+        val transaction = data[position]
+        holder.title.text = transaction.title
+        holder.amount.text = String.format("${'$'}%.02f", transaction.amount)
+    }
+
+    inner class ViewHolder(itemView: View): RecyclerView.ViewHolder(itemView) {
+        val title = itemView.findViewById<TextView>(R.id.transaction_title)
+        val amount = itemView.findViewById<TextView>(R.id.transaction_amount)
+    }
+}

app/src/main/java/com/wbrawner/myallowance/transactions/TransactionListActivity.kt

@@ -0,0 +1,56 @@
+package com.wbrawner.myallowance.transactions
+
+import android.support.v7.app.AppCompatActivity
+import android.os.Bundle
+import android.support.annotation.StringRes
+import com.wbrawner.myallowance.R
+import com.wbrawner.myallowance.data.TransactionType
+import com.wbrawner.myallowance.overview.OverviewFragment
+import kotlinx.android.synthetic.main.activity_transaction_list.*
+
+class TransactionListActivity : AppCompatActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_transaction_list)
+
+        menu_main.setOnNavigationItemSelectedListener { item ->
+            when (item.itemId) {
+                R.id.action_expenses -> updateFragment(TransactionType.EXPENSE)
+                R.id.action_income -> updateFragment(TransactionType.INCOME)
+                else ->
+                    updateFragment(OverviewFragment.TAG_FRAGMENT, OverviewFragment.TITLE_FRAGMENT)
+            }
+            true
+        }
+        menu_main.selectedItemId = R.id.action_overview
+    }
+
+    private fun updateFragment(type: TransactionType) {
+        updateFragment(type.name, type.title)
+    }
+
+    private fun updateFragment(tag: String, @StringRes title: Int) {
+        setTitle(title)
+        var fragment = supportFragmentManager.findFragmentByTag(tag)
+        val ft = supportFragmentManager.beginTransaction()
+        if (fragment == null) {
+            fragment = if (tag == "overview") OverviewFragment()
+            else
+                TransactionListFragment().apply {
+                    arguments = Bundle().apply {
+                        putSerializable(TransactionListFragment.ARG_TYPE, TransactionType.valueOf(tag))
+                    }
+                }
+            ft.add(R.id.content_container, fragment, tag)
+        }
+        for (fmFragment in supportFragmentManager.fragments) {
+            if (fmFragment == fragment) {
+                ft.show(fmFragment)
+            } else {
+                ft.hide(fmFragment)
+            }
+        }
+
+        ft.commit()
+    }
+}

app/src/main/java/com/wbrawner/myallowance/transactions/TransactionListFragment.kt

@@ -0,0 +1,67 @@
+package com.wbrawner.myallowance.transactions
+
+import android.arch.lifecycle.Observer
+import android.arch.lifecycle.ViewModelProviders
+import android.content.Intent
+import android.os.Bundle
+import android.support.annotation.StringRes
+import android.support.design.widget.FloatingActionButton
+import android.support.v4.app.Fragment
+import android.support.v7.widget.LinearLayoutManager
+import android.support.v7.widget.RecyclerView
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import com.wbrawner.myallowance.R
+import com.wbrawner.myallowance.addedittransaction.AddEditTransactionActivity
+import com.wbrawner.myallowance.addedittransaction.AddEditTransactionActivity.Companion.EXTRA_TYPE
+import com.wbrawner.myallowance.data.Transaction
+import com.wbrawner.myallowance.data.TransactionType
+import java.io.Serializable
+
+class TransactionListFragment : Fragment() {
+    lateinit var viewModel: TransactionViewModel
+    lateinit var type: TransactionType
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        if (activity == null) {
+            return
+        }
+
+        if (savedInstanceState != null) {
+            return
+        }
+
+        type = arguments?.getSerializable(ARG_TYPE) as? TransactionType ?: TransactionType.EXPENSE
+
+        viewModel = ViewModelProviders.of(activity!!).get(TransactionViewModel::class.java)
+    }
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+        val view = inflater.inflate(R.layout.fragment_transaction_list, container, false)
+        val recyclerView = view.findViewById<RecyclerView>(R.id.list_transactions)
+        recyclerView.layoutManager = LinearLayoutManager(activity)
+        viewModel.getTransactionsByType(20, type)
+                .observe(this, Observer<List<Transaction>> { data ->
+                    if (data == null) {
+                        recyclerView.adapter = null
+                    } else {
+                        recyclerView.adapter = TransactionAdapter(data)
+                    }
+                })
+        view.findViewById<FloatingActionButton>(R.id.fab_add_transaction).setOnClickListener {
+            startActivity(
+                    Intent(activity, AddEditTransactionActivity::class.java).apply {
+                        this.putExtra(EXTRA_TYPE, this@TransactionListFragment.type.name)
+                    }
+            )
+        }
+
+        return view
+    }
+
+    companion object {
+        const val ARG_TYPE = "TRANSACTION_TYPE"
+    }
+}

app/src/main/java/com/wbrawner/myallowance/transactions/TransactionViewModel.kt

@@ -0,0 +1,24 @@
+package com.wbrawner.myallowance.transactions
+
+import android.app.Application
+import android.arch.lifecycle.AndroidViewModel
+import android.arch.lifecycle.LiveData
+import com.wbrawner.myallowance.AllowanceApplication
+import com.wbrawner.myallowance.data.Transaction
+import com.wbrawner.myallowance.data.TransactionRepository
+import com.wbrawner.myallowance.data.TransactionType
+
+class TransactionViewModel(application: Application): AndroidViewModel(application) {
+    private val transactionRepo = TransactionRepository((application as AllowanceApplication).dao)
+
+    fun getTransaction(id: Int): LiveData<Transaction> = transactionRepo.getTransaction(id)
+
+    fun getTransactions(count: Int): LiveData<List<Transaction>> = transactionRepo.getTransactions(count)
+
+    fun getTransactionsByType(count: Int, type: TransactionType): LiveData<List<Transaction>>
+            = transactionRepo.getTransactionsByType(count, type)
+
+    fun getCurrentBalance(): LiveData<Double> = transactionRepo.getCurrentBalance()
+
+    fun saveTransaction(transaction: Transaction) = transactionRepo.save(transaction)
+}

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

@@ -0,0 +1,34 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportHeight="108"
+    android:viewportWidth="108">
+    <path
+        android:fillType="evenOdd"
+        android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
+        android:strokeColor="#00000000"
+        android:strokeWidth="1">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="78.5885"
+                android:endY="90.9159"
+                android:startX="48.7653"
+                android:startY="61.0927"
+                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="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"
+        android:strokeColor="#00000000"
+        android:strokeWidth="1" />
+</vector>

app/src/main/res/drawable/ic_add_white_24dp.xml

@@ -0,0 +1,9 @@
+<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/ic_attach_money_black_24dp.xml

@@ -0,0 +1,9 @@
+<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="#FF000000"
+        android:pathData="M11.8,10.9c-2.27,-0.59 -3,-1.2 -3,-2.15 0,-1.09 1.01,-1.85 2.7,-1.85 1.78,0 2.44,0.85 2.5,2.1h2.21c-0.07,-1.72 -1.12,-3.3 -3.21,-3.81V3h-3v2.16c-1.94,0.42 -3.5,1.68 -3.5,3.61 0,2.31 1.91,3.46 4.7,4.13 2.5,0.6 3,1.48 3,2.41 0,0.69 -0.49,1.79 -2.7,1.79 -2.06,0 -2.87,-0.92 -2.98,-2.1h-2.2c0.12,2.19 1.76,3.42 3.68,3.83V21h3v-2.15c1.95,-0.37 3.5,-1.5 3.5,-3.55 0,-2.84 -2.43,-3.81 -4.7,-4.4z"/>
+</vector>

app/src/main/res/drawable/ic_baseline_dashboard_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:fillColor="#FF000000"
+      android:pathData="M3,13h8L11,3L3,3v10zM3,21h8v-6L3,15v6zM13,21h8L21,11h-8v10zM13,3v6h8L21,3h-8z"/>
+</vector>

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:viewportHeight="108"
+    android:viewportWidth="108">
+    <path
+        android:fillColor="#26A69A"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+</vector>

app/src/main/res/drawable/ic_money_off_black_24dp.xml

@@ -0,0 +1,9 @@
+<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="#FF000000"
+        android:pathData="M12.5,6.9c1.78,0 2.44,0.85 2.5,2.1h2.21c-0.07,-1.72 -1.12,-3.3 -3.21,-3.81V3h-3v2.16c-0.53,0.12 -1.03,0.3 -1.48,0.54l1.47,1.47c0.41,-0.17 0.91,-0.27 1.51,-0.27zM5.33,4.06L4.06,5.33 7.5,8.77c0,2.08 1.56,3.21 3.91,3.91l3.51,3.51c-0.34,0.48 -1.05,0.91 -2.42,0.91 -2.06,0 -2.87,-0.92 -2.98,-2.1h-2.2c0.12,2.19 1.76,3.42 3.68,3.83V21h3v-2.15c0.96,-0.18 1.82,-0.55 2.45,-1.12l2.22,2.22 1.27,-1.27L5.33,4.06z"/>
+</vector>

app/src/main/res/drawable/ic_save_white_24dp.xml

@@ -0,0 +1,9 @@
+<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="M17,3L5,3c-1.11,0 -2,0.9 -2,2v14c0,1.1 0.89,2 2,2h14c1.1,0 2,-0.9 2,-2L21,7l-4,-4zM12,19c-1.66,0 -3,-1.34 -3,-3s1.34,-3 3,-3 3,1.34 3,3 -1.34,3 -3,3zM15,9L5,9L5,5h10v4z"/>
+</vector>

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

@@ -0,0 +1,79 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ScrollView 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=".addedittransaction.AddEditTransactionActivity">
+
+    <android.support.constraint.ConstraintLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:padding="16dp">
+
+        <android.support.design.widget.TextInputLayout
+            android:id="@+id/container_edit_transaction_title"
+            style="@style/AppTheme.EditText.Container"
+            android:hint="@string/prompt_transaction_title"
+            app:layout_constraintBottom_toTopOf="@+id/container_edit_transaction_description"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent">
+
+            <android.support.design.widget.TextInputEditText
+                android:id="@+id/edit_transaction_title"
+                android:inputType="textCapWords"
+                style="@style/AppTheme.EditText" />
+        </android.support.design.widget.TextInputLayout>
+
+        <android.support.design.widget.TextInputLayout
+            android:id="@+id/container_edit_transaction_description"
+            style="@style/AppTheme.EditText.Container"
+            android:hint="@string/prompt_transaction_description"
+            android:inputType="textCapSentences"
+            app:layout_constraintBottom_toTopOf="@+id/container_edit_transaction_amount"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/container_edit_transaction_title">
+
+            <android.support.design.widget.TextInputEditText
+                android:id="@+id/edit_transaction_description"
+                style="@style/AppTheme.EditText" />
+        </android.support.design.widget.TextInputLayout>
+
+        <android.support.design.widget.TextInputLayout
+            android:id="@+id/container_edit_transaction_amount"
+            style="@style/AppTheme.EditText.Container"
+            android:hint="@string/prompt_transaction_amount"
+            app:layout_constraintBottom_toTopOf="@+id/container_edit_transaction_date"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/container_edit_transaction_description">
+
+            <android.support.design.widget.TextInputEditText
+                android:id="@+id/edit_transaction_amount"
+                style="@style/AppTheme.EditText"
+                android:inputType="numberDecimal" />
+        </android.support.design.widget.TextInputLayout>
+
+        <TextView
+            android:id="@+id/container_edit_transaction_date"
+            style="@style/AppTheme.EditText.Hint"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="4dp"
+            android:text="@string/prompt_transaction_date"
+            app:layout_constraintBottom_toTopOf="@+id/edit_transaction_date"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/container_edit_transaction_amount" />
+
+        <DatePicker
+            android:id="@+id/edit_transaction_date"
+            style="@style/AppTheme.DatePicker"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/container_edit_transaction_date" />
+    </android.support.constraint.ConstraintLayout>
+</ScrollView>

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

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.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=".transactions.TransactionListActivity">
+
+    <FrameLayout
+        android:id="@+id/content_container"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintBottom_toTopOf="@+id/menu_main"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent" />
+
+    <android.support.design.widget.BottomNavigationView
+        android:id="@+id/menu_main"
+        android:layout_width="0dp"
+        android:layout_height="56dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:menu="@menu/main_navigation" />
+
+</android.support.constraint.ConstraintLayout>

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

@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.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/overview_current_balance_label"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_margin="8dp"
+        android:text="@string/label_current_balance"
+        app:layout_constraintBottom_toTopOf="@+id/overview_current_balance"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_chainStyle="packed" />
+
+    <TextView
+        android:id="@+id/overview_current_balance"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_margin="8dp"
+        android:textSize="36sp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/overview_current_balance_label" />
+
+    <TextView
+        android:id="@+id/overview_no_data"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_margin="8dp"
+        android:text="@string/overview_no_data"
+        android:textAlignment="center"
+        android:textSize="24sp"
+        android:textColor="@color/colorTextPrimary"
+        android:visibility="gone"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+</android.support.constraint.ConstraintLayout>

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

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.design.widget.CoordinatorLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <android.support.v7.widget.RecyclerView
+        android:id="@+id/list_transactions"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal"/>
+
+    <android.support.design.widget.FloatingActionButton
+        android:id="@+id/fab_add_transaction"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:clickable="true"
+        android:layout_gravity="bottom|end"
+        android:layout_margin="16dp"
+        app:srcCompat="@drawable/ic_add_white_24dp"
+        android:focusable="true" />
+
+</android.support.design.widget.CoordinatorLayout>

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

@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.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="?android:attr/listPreferredItemHeight"
+    android:padding="8dp">
+
+    <TextView
+        android:id="@+id/transaction_title"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toStartOf="@+id/transaction_amount"
+        app:layout_constraintHorizontal_chainStyle="spread_inside"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <TextView
+        android:id="@+id/transaction_amount"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toEndOf="@+id/transaction_title"
+        app:layout_constraintTop_toTopOf="parent" />
+</android.support.constraint.ConstraintLayout>

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

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+    <item
+        android:id="@+id/action_overview"
+        android:icon="@drawable/ic_baseline_dashboard_24dp"
+        android:title="@string/title_dashboard" />
+    <item
+        android:id="@+id/action_expenses"
+        android:icon="@drawable/ic_money_off_black_24dp"
+        android:title="@string/title_expenses" />
+    <item
+        android:id="@+id/action_income"
+        android:icon="@drawable/ic_attach_money_black_24dp"
+        android:title="@string/title_income" />
+</menu>

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

@@ -0,0 +1,9 @@
+<?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/action_save"
+        android:icon="@drawable/ic_save_white_24dp"
+        app:showAsAction="ifRoom|withText"
+        android:title="@string/action_save" />
+</menu>

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>

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>

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

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#3F51B5</color>
+    <color name="colorPrimaryDark">#303F9F</color>
+    <color name="colorAccent">#FF4081</color>
+    <color name="colorTextPrimary">#FF000000</color>
+    <color name="colorTextGreen">#388e3c</color>
+    <color name="colorTextRed">#d32f2f</color>
+</resources>

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

@@ -0,0 +1,16 @@
+<resources>
+    <string name="app_name">My Allowance</string>
+    <string name="prompt_transaction_title">Title</string>
+    <string name="title_add_income">Add Income</string>
+    <string name="title_add_expense">Add Expense</string>
+    <string name="title_add_transaction">Add Transaction</string>
+    <string name="prompt_transaction_description">Description</string>
+    <string name="prompt_transaction_date">Date</string>
+    <string name="prompt_transaction_amount">Amount</string>
+    <string name="title_expenses">Expenses</string>
+    <string name="title_income">Income</string>
+    <string name="title_dashboard">Dashboard</string>
+    <string name="label_current_balance">Current Balance</string>
+    <string name="overview_no_data">Add some transactions to see an overview of your spending here</string>
+    <string name="action_save">Save</string>
+</resources>

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

@@ -0,0 +1,35 @@
+<resources>
+
+    <!-- Base application theme. -->
+    <style name="BaseTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+        <!-- Customize your theme here. -->
+        <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorAccent">@color/colorAccent</item>
+    </style>
+
+    <style name="AppTheme" parent="BaseTheme" />
+
+    <style name="AppTheme.EditText">
+        <item name="android:layout_height">wrap_content</item>
+        <item name="android:layout_width">match_parent</item>
+    </style>
+
+    <style name="AppTheme.EditText.Container" parent="AppTheme.EditText">
+    </style>
+
+    <style name="AppTheme.EditText.Hint" parent="TextAppearance.Design.Hint">
+    </style>
+
+    <style name="BaseTheme.DatePicker">
+        <item name="android:layout_height">wrap_content</item>
+        <item name="android:layout_width">match_parent</item>
+        <item name="android:startYear">2000</item>
+        <item name="android:calendarViewShown">false</item>
+        <item name="android:datePickerMode">spinner</item>
+    </style>
+
+    <style name="AppTheme.DatePicker" parent="BaseTheme.DatePicker">
+    </style>
+
+</resources>

app/src/main/res/xml/shortcuts.xml

@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shortcuts xmlns:tools="http://schemas.android.com/tools"
+    xmlns:android="http://schemas.android.com/apk/res/android">
+    <shortcut
+        android:shortcutId="expense"
+        android:enabled="true"
+        android:icon="@drawable/ic_shortcut_money_off"
+        android:shortcutShortLabel="@string/title_add_expense"
+        tools:ignore="UnusedAttribute">
+        <intent
+            android:action="android.intent.action.VIEW"
+            android:targetPackage="com.wbrawner.myallowance"
+            android:targetClass="com.wbrawner.myallowance.addedittransaction.AddEditTransactionActivity">
+            <extra
+                android:name="EXTRA_TRANSACTION_TYPE"
+                android:value="EXPENSE" />
+        </intent>
+    </shortcut>
+    <shortcut
+        android:shortcutId="income"
+        android:enabled="true"
+        android:icon="@drawable/ic_shortcut_attach_money"
+        android:shortcutShortLabel="@string/title_add_income"
+        tools:ignore="UnusedAttribute">
+        <intent
+            android:action="android.intent.action.VIEW"
+            android:targetPackage="com.wbrawner.myallowance"
+            android:targetClass="com.wbrawner.myallowance.addedittransaction.AddEditTransactionActivity">
+            <extra
+                android:name="EXTRA_TRANSACTION_TYPE"
+                android:value="INCOME" />
+        </intent>
+    </shortcut>
+</shortcuts>

app/src/test/java/com/wbrawner/myallowance/ExampleUnitTest.kt

@@ -0,0 +1,17 @@
+package com.wbrawner.myallowance
+
+import org.junit.Test
+
+import org.junit.Assert.*
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+class ExampleUnitTest {
+    @Test
+    fun addition_isCorrect() {
+        assertEquals(4, 2 + 2)
+    }
+}

build.gradle

@@ -0,0 +1,27 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+
+buildscript {
+    ext.kotlin_version = '1.2.41'
+    repositories {
+        google()
+        jcenter()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:3.1.3'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+
+        // NOTE: Do not place your application dependencies here; they belong
+        // in the individual module build.gradle files
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        jcenter()
+    }
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}

gradle.properties

@@ -0,0 +1,13 @@
+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx1536m
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true

gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,6 @@
+#Mon Jul 30 21:54:00 CDT 2018
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip

gradlew

@@ -0,0 +1,172 @@
+#!/usr/bin/env sh
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=$(save "$@")
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"

gradlew.bat

@@ -0,0 +1,84 @@
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

settings.gradle

@@ -0,0 +1 @@
+include ':app'