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| *.project | ||
| *.settings/ | ||
| *.classpath | ||
| .info.json | ||
| .info.json | ||
| /.kotlin/ | ||
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99 changes: 99 additions & 0 deletions
99
subs/compose/src/main/java/com/engineer/compose/ui/ComposeDemo.kt
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| package com.engineer.compose.ui | ||
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| import android.util.Log | ||
| import android.widget.Toast | ||
| import androidx.compose.foundation.layout.Column | ||
| import androidx.compose.foundation.layout.fillMaxSize | ||
| import androidx.compose.foundation.layout.padding | ||
| import androidx.compose.foundation.rememberScrollState | ||
| import androidx.compose.foundation.verticalScroll | ||
| import androidx.compose.material3.Button | ||
| import androidx.compose.material3.Text | ||
| import androidx.compose.runtime.Composable | ||
| import androidx.compose.runtime.getValue | ||
| import androidx.compose.runtime.mutableIntStateOf | ||
| import androidx.compose.runtime.mutableStateListOf | ||
| import androidx.compose.runtime.mutableStateOf | ||
| import androidx.compose.runtime.remember | ||
| import androidx.compose.runtime.setValue | ||
| import androidx.compose.ui.Modifier | ||
| import androidx.compose.ui.graphics.Color | ||
| import androidx.compose.ui.platform.LocalContext | ||
| import androidx.compose.ui.tooling.preview.Preview | ||
| import androidx.compose.ui.unit.dp | ||
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| private const val TAG = "ComposeView" | ||
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| @Preview | ||
| @Composable | ||
| fun DemoCard() { | ||
| var count by remember { mutableIntStateOf(0) } | ||
| var list by remember { mutableStateOf(ArrayList<String>()) } | ||
| val list2 = remember { mutableStateListOf<String>() } | ||
| val list3 = remember { mutableStateListOf("") } | ||
| var list4 = remember { mutableStateOf(ArrayList<String>())} | ||
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| Log.i(TAG,"count -> ${count::class}") | ||
| Log.i(TAG,"list -> ${list::class}") | ||
| Log.i(TAG,"list2 -> ${list2::class}") | ||
| Log.i(TAG,"list3 -> ${list3::class}") | ||
| Log.i(TAG,"list4 -> ${list4::class}") | ||
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| Column( | ||
| modifier = Modifier | ||
| .fillMaxSize() | ||
| .verticalScroll(rememberScrollState()) | ||
| ) { | ||
| // Text(modifier = Modifier.padding(start = 10.dp), color = Color.Red, text = "$list") | ||
| // Text(modifier = Modifier.padding(start = 10.dp), color = Color.Red, text = "${list4.value}") | ||
| // Text(modifier = Modifier.padding(start = 10.dp), color = Color.Blue, text = "$count") | ||
| ContentA(list) | ||
| ContentA(list2.toList()) | ||
| ContentA(list3.toList()) | ||
| ContentA(list4.value) | ||
| // ContentB(count) | ||
| // ContentC(list, count) | ||
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| val context = LocalContext.current | ||
| Button(modifier = Modifier.padding(5.dp), onClick = { | ||
| Toast.makeText(context, "you clicked me", Toast.LENGTH_SHORT).show() | ||
| count++ | ||
| list.add(count.toString()) | ||
| list2.add(count.toString()) | ||
| list3.add(count.toString()) | ||
| list4.value = ArrayList(list) | ||
| }) { | ||
| Text(text = "click me") | ||
| } | ||
| } | ||
| } | ||
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| @Composable | ||
| fun ContentA(list: List<String>) { | ||
| Log.d(TAG, "ContentA() called with: list = $list") | ||
| Text(modifier = Modifier.padding(start = 10.dp), color = Color.Red, text = "$list") | ||
| } | ||
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| @Composable | ||
| fun ContentB(num: Int) { | ||
| Log.d(TAG, "ContentB() called with: num = $num") | ||
| Text(modifier = Modifier.padding(start = 10.dp), color = Color.Blue, text = num.toString()) | ||
| } | ||
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| @Composable | ||
| fun ContentD(list: List<String>) { | ||
| Log.d(TAG, "ContentD() called with: list = $list") | ||
| Text(modifier = Modifier.padding(start = 10.dp), color = Color.Red, text = "$list") | ||
| } | ||
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| @Composable | ||
| fun ContentC(list: ArrayList<String>, num: Int) { | ||
| Log.d(TAG, "ContentC() called with: list = $list, num = $num") | ||
| Column { | ||
| Text(modifier = Modifier.padding(start = 10.dp), color = Color.Red, text = "$list") | ||
| Text(modifier = Modifier.padding(start = 10.dp), color = Color.Blue, text = num.toString()) | ||
| } | ||
| } |
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