Wai Phyo Aung rubywai
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| //Type test operaators | |
| void main() { | |
| ///type test operator | |
| //is is! | |
| //type casting | |
| //smart cast (as) | |
| //safe cast (is) | |
| //string to number conversion |
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| package com.rubylearner.composeapp | |
| import android.os.Bundle | |
| import androidx.activity.ComponentActivity | |
| import androidx.activity.compose.setContent | |
| import androidx.activity.enableEdgeToEdge | |
| import androidx.compose.foundation.background | |
| import androidx.compose.foundation.layout.Arrangement | |
| import androidx.compose.foundation.layout.Box | |
| import androidx.compose.foundation.layout.fillMaxSize |
rubywai
/ @11 composable list part 2 (sticky header and scroll controller)
Created
January 21, 2026 21:03
@11 composable list part 2 (sticky header and scroll controller)
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| package com.rubylearner.composeapp | |
| import android.os.Bundle | |
| import androidx.activity.ComponentActivity | |
| import androidx.activity.compose.setContent | |
| import androidx.activity.enableEdgeToEdge | |
| import androidx.compose.animation.core.Spring | |
| import androidx.compose.animation.core.spring | |
| import androidx.compose.animation.core.tween | |
| import androidx.compose.foundation.background |
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| package com.rubylearner.composeapp | |
| import android.os.Bundle | |
| import androidx.activity.ComponentActivity | |
| import androidx.activity.compose.setContent | |
| import androidx.activity.enableEdgeToEdge | |
| import androidx.compose.animation.core.Spring | |
| import androidx.compose.animation.core.spring | |
| import androidx.compose.animation.core.tween | |
| import androidx.compose.foundation.background |
rubywai
/ @9material_buttons_in_compose
Created
December 14, 2025 12:28
Understanding Material Buttons in compose
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| package com.rubylearner.mycomposelesson | |
| import android.os.Bundle | |
| import android.widget.Toast | |
| import androidx.activity.ComponentActivity | |
| import androidx.activity.compose.setContent | |
| import androidx.activity.enableEdgeToEdge | |
| import androidx.compose.foundation.Image | |
| import androidx.compose.foundation.background | |
| import androidx.compose.foundation.layout.Arrangement |
rubywai
/ @7row_and_column.kt
Created
December 1, 2025 14:11
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| package com.rubylearner.mycomposelesson | |
| import android.os.Bundle | |
| import android.widget.Toast | |
| import androidx.activity.ComponentActivity | |
| import androidx.activity.compose.setContent | |
| import androidx.activity.enableEdgeToEdge | |
| import androidx.compose.foundation.background | |
| import androidx.compose.foundation.horizontalScroll | |
| import androidx.compose.foundation.layout.Arrangement |
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| package com.rubylearner.mycomposelesson | |
| import android.os.Bundle | |
| import android.widget.Toast | |
| import androidx.activity.ComponentActivity | |
| import androidx.activity.compose.setContent | |
| import androidx.activity.enableEdgeToEdge | |
| import androidx.compose.foundation.background | |
| import androidx.compose.foundation.layout.Box | |
| import androidx.compose.foundation.layout.fillMaxWidth |
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| const express = require("express"); | |
| const path = require("path"); | |
| const app = express(); | |
| const port = process.env.PORT || 3000; | |
| const buildPath = path.join(__dirname, "web"); | |
| // Serve static files first | |
| app.use(express.static(buildPath)); |
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| class PdfViewer extends ConsumerStatefulWidget { | |
| const PdfViewer({ | |
| super.key, | |
| this.filePath, | |
| this.fileUrl, | |
| }); | |
| final String? filePath; | |
| final String? fileUrl; |
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