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Hyperling
2024-07-01 14:55:06 -07:00
parent aacf37af7b
commit 20d937e270
48 changed files with 1418 additions and 32 deletions
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80
app/src/main/java/com/hyperling/expensetracker/MainActivity.kt Normal file
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package com.hyperling.expensetracker
import android.content.Context
import android.content.Intent
import android.os.Bundle
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.activity.enableEdgeToEdge
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.padding
import androidx.compose.material3.Button
import androidx.compose.material3.FloatingActionButton
import androidx.compose.material3.Scaffold
import androidx.compose.material3.Surface
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.platform.LocalContext
import androidx.compose.ui.tooling.preview.Preview
import androidx.core.content.ContextCompat
import androidx.core.content.ContextCompat.startActivity
import com.hyperling.expensetracker.ui.theme.ExpenseTrackerTheme
class MainActivity : ComponentActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
enableEdgeToEdge()
setContent {
ExpenseTrackerTheme {
Surface {
Main()
}
}
}
}
}
@Composable
fun Main() {
val context = LocalContext.current
Column (
horizontalAlignment = Alignment.CenterHorizontally,
verticalArrangement = Arrangement.Center,
modifier = Modifier.fillMaxSize()
) {
Row (
verticalAlignment = Alignment.CenterVertically,
horizontalArrangement = Arrangement.Center
) {
Text(
text = "Main Screen"
)
}
Row (
verticalAlignment = Alignment.CenterVertically,
horizontalArrangement = Arrangement.Center
) {
Button(onClick = {
val intent = Intent(context, NewExpenseActivity::class.java)
context.startActivity(intent)
}) {
Text(text = "Create New Expense")
}
}
}
}
@Preview(showBackground = true)
@Composable
fun MainPreview() {
ExpenseTrackerTheme {
Main()
}
}

100
app/src/main/java/com/hyperling/expensetracker/NewExpenseActivity.kt Normal file
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package com.hyperling.expensetracker
import android.content.Intent
import android.content.SharedPreferences
import android.os.Bundle
import android.preference.PreferenceManager
import android.widget.EditText
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.activity.enableEdgeToEdge
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.padding
import androidx.compose.material3.Button
import androidx.compose.material3.Scaffold
import androidx.compose.material3.Surface
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.platform.LocalContext
import androidx.compose.ui.tooling.preview.Preview
import com.hyperling.expensetracker.ui.theme.ExpenseTrackerTheme
// Activity which allows data to be entered and saved to Shared Preferences.
// https://stackoverflow.com/questions/59436808/simple-kotlin-data-save
// Actually, probably best to use Room and a database rather than preferences.
class NewExpenseActivity : ComponentActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
enableEdgeToEdge()
setContent {
ExpenseTrackerTheme {
Surface {
CreateExpense()
}
}
}
}
}
@Composable
fun CreateExpense() {
val context = LocalContext.current
val intent = Intent(context, MainActivity::class.java)
fun returnToMain() {
// set the new task and clear flags
intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK
context.startActivity(intent)
}
val sharedPref : SharedPreferences = PreferenceManager.getDefaultSharedPreferences(context)
fun saveAndReturn() {
val editor = sharedPref.edit()
editor.putString("Test", "Test")
returnToMain()
}
Column (
horizontalAlignment = Alignment.CenterHorizontally,
verticalArrangement = Arrangement.Center,
modifier = Modifier.fillMaxSize()
) {
Row (
verticalAlignment = Alignment.CenterVertically,
horizontalArrangement = Arrangement.Center
) {
Text(
text = "New Expense Screen"
)
}
Row (
verticalAlignment = Alignment.CenterVertically,
horizontalArrangement = Arrangement.Center
) {
Button(onClick = { returnToMain() }) {
Text(text = "Cancel")
}
Button(onClick = { saveAndReturn() }) {
Text(text = "Cancel")
}
}
}
}
@Preview(showBackground = true)
@Composable
fun CreateExpensePreview() {
ExpenseTrackerTheme {
CreateExpense()
}
}

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app/src/main/java/com/hyperling/expensetracker/ui/theme/Color.kt Normal file
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package com.hyperling.expensetracker.ui.theme
import androidx.compose.ui.graphics.Color
val Purple80 = Color(0xFFD0BCFF)
val PurpleGrey80 = Color(0xFFCCC2DC)
val Pink80 = Color(0xFFEFB8C8)
val Purple40 = Color(0xFF6650a4)
val PurpleGrey40 = Color(0xFF625b71)
val Pink40 = Color(0xFF7D5260)

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app/src/main/java/com/hyperling/expensetracker/ui/theme/Theme.kt Normal file
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package com.hyperling.expensetracker.ui.theme
import android.app.Activity
import android.os.Build
import androidx.compose.foundation.isSystemInDarkTheme
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.darkColorScheme
import androidx.compose.material3.dynamicDarkColorScheme
import androidx.compose.material3.dynamicLightColorScheme
import androidx.compose.material3.lightColorScheme
import androidx.compose.runtime.Composable
import androidx.compose.ui.platform.LocalContext
private val DarkColorScheme = darkColorScheme(
primary = Purple80,
secondary = PurpleGrey80,
tertiary = Pink80
)
private val LightColorScheme = lightColorScheme(
primary = Purple40,
secondary = PurpleGrey40,
tertiary = Pink40
/* Other default colors to override
background = Color(0xFFFFFBFE),
surface = Color(0xFFFFFBFE),
onPrimary = Color.White,
onSecondary = Color.White,
onTertiary = Color.White,
onBackground = Color(0xFF1C1B1F),
onSurface = Color(0xFF1C1B1F),
*/
)
@Composable
fun ExpenseTrackerTheme(
darkTheme: Boolean = isSystemInDarkTheme(),
// Dynamic color is available on Android 12+
dynamicColor: Boolean = true,
content: @Composable () -> Unit
) {
val colorScheme = when {
dynamicColor && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S -> {
val context = LocalContext.current
if (darkTheme) dynamicDarkColorScheme(context) else dynamicLightColorScheme(context)
}
darkTheme -> DarkColorScheme
else -> LightColorScheme
}
MaterialTheme(
colorScheme = colorScheme,
typography = Typography,
content = content
)
}

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app/src/main/java/com/hyperling/expensetracker/ui/theme/Type.kt Normal file
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package com.hyperling.expensetracker.ui.theme
import androidx.compose.material3.Typography
import androidx.compose.ui.text.TextStyle
import androidx.compose.ui.text.font.FontFamily
import androidx.compose.ui.text.font.FontWeight
import androidx.compose.ui.unit.sp
// Set of Material typography styles to start with
val Typography = Typography(
bodyLarge = TextStyle(
fontFamily = FontFamily.Default,
fontWeight = FontWeight.Normal,
fontSize = 16.sp,
lineHeight = 24.sp,
letterSpacing = 0.5.sp
)
/* Other default text styles to override
titleLarge = TextStyle(
fontFamily = FontFamily.Default,
fontWeight = FontWeight.Normal,
fontSize = 22.sp,
lineHeight = 28.sp,
letterSpacing = 0.sp
),
labelSmall = TextStyle(
fontFamily = FontFamily.Default,
fontWeight = FontWeight.Medium,
fontSize = 11.sp,
lineHeight = 16.sp,
letterSpacing = 0.5.sp
)
*/
)