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138
subs/compose/src/main/java/com/engineer/compose/ui/ComposeView.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,138 @@ | ||
| package com.engineer.compose.ui | ||
|
|
||
| import android.content.Intent | ||
| import android.graphics.BitmapFactory | ||
| import android.util.Log | ||
| import android.widget.Toast | ||
| import androidx.activity.compose.rememberLauncherForActivityResult | ||
| import androidx.activity.result.contract.ActivityResultContracts | ||
| import androidx.compose.foundation.Image | ||
| import androidx.compose.foundation.layout.Column | ||
| import androidx.compose.foundation.layout.Row | ||
| import androidx.compose.foundation.layout.Spacer | ||
| import androidx.compose.foundation.layout.fillMaxWidth | ||
| import androidx.compose.foundation.layout.height | ||
| import androidx.compose.foundation.layout.padding | ||
| import androidx.compose.foundation.layout.size | ||
| import androidx.compose.foundation.layout.width | ||
| import androidx.compose.foundation.shape.CircleShape | ||
| import androidx.compose.material3.Button | ||
| import androidx.compose.material3.CircularProgressIndicator | ||
| import androidx.compose.material3.OutlinedTextField | ||
| import androidx.compose.material3.Text | ||
| import androidx.compose.runtime.Composable | ||
| import androidx.compose.runtime.getValue | ||
| import androidx.compose.runtime.mutableIntStateOf | ||
| import androidx.compose.runtime.mutableStateOf | ||
| import androidx.compose.runtime.remember | ||
| import androidx.compose.runtime.saveable.rememberSaveable | ||
| import androidx.compose.runtime.setValue | ||
| import androidx.compose.ui.Modifier | ||
| import androidx.compose.ui.draw.clip | ||
| import androidx.compose.ui.graphics.asImageBitmap | ||
| import androidx.compose.ui.graphics.painter.BitmapPainter | ||
| import androidx.compose.ui.platform.LocalContext | ||
| import androidx.compose.ui.res.painterResource | ||
| import androidx.compose.ui.tooling.preview.Preview | ||
| import androidx.compose.ui.unit.IntSize | ||
| import androidx.compose.ui.unit.dp | ||
| import coil.compose.AsyncImage | ||
| import com.engineer.compose.R | ||
| import com.engineer.compose.viewmodel.ImagePreviewPayload | ||
|
|
||
| data class Message(val author: String, val body: String) | ||
|
|
||
| @Composable | ||
| fun SelectImageButton() { | ||
| // var imageUris by remember { mutableStateOf<List<Uri>>(emptyList()) } | ||
| val context = LocalContext.current | ||
| val pickImagesLauncher = rememberLauncherForActivityResult( | ||
| contract = ActivityResultContracts.GetMultipleContents(), | ||
| onResult = { uris -> | ||
| Log.i("tag", "uris = $uris") | ||
| val intent = Intent(context, GalleryActivity::class.java) | ||
| val list = uris.map { it.toString() } | ||
| val payload = ImagePreviewPayload(2, list) | ||
| intent.putExtra("payload", payload) | ||
| context.startActivity(intent) | ||
| }) | ||
| Button( | ||
| onClick = { pickImagesLauncher.launch("image/*") }, | ||
| ) { | ||
| Text(text = "Pick Images from Gallery") | ||
| } | ||
|
|
||
| } | ||
|
|
||
| @Composable | ||
| fun MessageCard(msg: Message) { | ||
| var text by rememberSaveable { mutableStateOf("") } | ||
| val count = remember { mutableIntStateOf(0) } | ||
| Column { | ||
| CircularProgressIndicator() | ||
| NetImage() | ||
| val context = LocalContext.current | ||
| Button(onClick = { | ||
| Toast.makeText(context, "you clicked me", Toast.LENGTH_SHORT).show() | ||
| count.intValue++ | ||
| }) { | ||
| Text(text = "click me") | ||
| } | ||
| Button(onClick = { | ||
| context.startActivity(Intent(context, ChatActivity::class.java)) | ||
| }) { | ||
| Text(text = "open Chat") | ||
| } | ||
| Button(onClick = { | ||
| context.startActivity(Intent(context, GalleryActivity::class.java)) | ||
| }) { | ||
| Text(text = "open gallery") | ||
| } | ||
| SelectImageButton() | ||
| Text(text = "${count.intValue}") | ||
| Row(modifier = Modifier.padding(all = 8.dp)) { | ||
| Image( | ||
| painter = painterResource(R.drawable.profile_picture), | ||
| contentDescription = "null", | ||
| modifier = Modifier | ||
| .size(40.dp) | ||
| .clip(CircleShape) | ||
| ) | ||
| Spacer(modifier = Modifier.width(8.dp)) | ||
| Column { | ||
| Text(text = msg.author) | ||
| Spacer(modifier = Modifier.height(4.dp)) | ||
| Text(text = msg.body) | ||
| } | ||
| } | ||
|
|
||
| OutlinedTextField(value = text, | ||
| onValueChange = { text = it }, | ||
| label = { Text("输入消息") }, | ||
| modifier = Modifier | ||
| .fillMaxWidth() | ||
| .padding(8.dp) | ||
|
|
||
| ) | ||
| } | ||
| } | ||
|
|
||
| @Composable | ||
| fun NetImage() { | ||
| val context = LocalContext.current | ||
| val bitmap = BitmapFactory.decodeResource(context.resources, R.drawable.profile_picture) | ||
| val painter = BitmapPainter(bitmap.asImageBitmap(), srcSize = IntSize(100, 100)) | ||
| AsyncImage( | ||
| modifier = Modifier.padding(8.dp), | ||
| placeholder = painter, | ||
| model = "https://t7.baidu.com/it/u=1102661851,2954934733&fm=193&f=GIF", | ||
| contentDescription = "net img" | ||
| ) | ||
| } | ||
|
|
||
| @Preview | ||
| @Composable | ||
| fun Pre() { | ||
| val msg = Message("mike", "where are you from") | ||
| MessageCard(msg) | ||
| } |
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