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Add camera permission request on the barcode screen #952

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Merged
aleksandar-apostolov merged 1 commit into from
Dec 1, 2023
Merged

Add camera permission request on the barcode screen #952

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97 changes: 72 additions & 25 deletions demo-app/src/main/kotlin/io/getstream/video/android/ui/join/barcode/BardcodeScanner.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,7 @@ import androidx.camera.view.PreviewView
import androidx.compose.foundation.Canvas
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.BoxScope
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.layout.size
Expand All @@ -40,6 +41,7 @@ import androidx.compose.material.icons.Icons
import androidx.compose.material.icons.filled.Cancel
import androidx.compose.material.icons.outlined.Cancel
import androidx.compose.runtime.Composable
import androidx.compose.runtime.LaunchedEffect
import androidx.compose.runtime.remember
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
Expand All @@ -55,6 +57,9 @@ import androidx.compose.ui.tooling.preview.Preview
import androidx.compose.ui.unit.dp
import androidx.compose.ui.viewinterop.AndroidView
import androidx.core.content.ContextCompat
import com.google.accompanist.permissions.ExperimentalPermissionsApi
import com.google.accompanist.permissions.PermissionStatus
import com.google.accompanist.permissions.rememberPermissionState
import com.google.android.gms.tasks.OnSuccessListener
import com.google.firebase.analytics.FirebaseAnalytics
import com.google.mlkit.vision.barcode.BarcodeScanner
Expand All @@ -66,9 +71,11 @@ import io.getstream.video.android.DeeplinkingActivity
import io.getstream.video.android.R
import io.getstream.video.android.analytics.FirebaseEvents
import io.getstream.video.android.compose.theme.VideoTheme
import io.getstream.video.android.ui.theme.StreamButton
import java.util.concurrent.Executor
import java.util.concurrent.Executors

@kotlin.OptIn(ExperimentalPermissionsApi::class)
@Composable
internal fun BarcodeScanner(navigateBack: () -> Unit = {}) {
val executor: Executor = Executors.newSingleThreadExecutor()
Expand All @@ -84,32 +91,72 @@ internal fun BarcodeScanner(navigateBack: () -> Unit = {}) {
processImageProxy(imageProxy, barcodeScanner, qrCodeCallback)
}
}
val color = VideoTheme.colors.primaryAccent
Box(modifier = Modifier.fillMaxSize()) {
CameraPreview(imageAnalysis = imageAnalysis)
CornerRectWithArcs(color = color, cornerRadius = 32f, strokeWidth = 12f)
IconButton(
modifier = Modifier
.align(Alignment.TopStart)
.padding(8.dp),
onClick = {
navigateBack()
},
) {
Icon(
imageVector = Icons.Filled.Cancel,
contentDescription = null,
tint = Color.White,
)

// Camera permission
val cameraPermissionState = rememberPermissionState(
android.Manifest.permission.CAMERA,
)

when (val cameraPermissionStatus = cameraPermissionState.status) {
PermissionStatus.Granted -> {
val color = VideoTheme.colors.primaryAccent
Box(modifier = Modifier.fillMaxSize()) {
CameraPreview(imageAnalysis = imageAnalysis)
CornerRectWithArcs(color = color, cornerRadius = 32f, strokeWidth = 12f)
IconButton(
modifier = Modifier
.align(Alignment.TopStart)
.padding(8.dp),
onClick = {
navigateBack()
},
) {
Icon(
imageVector = Icons.Filled.Cancel,
contentDescription = null,
tint = Color.White,
)
}
Text(
modifier = Modifier
.align(Alignment.TopCenter)
.padding(8.dp),
textAlign = TextAlign.Center,
color = Color.White,
text = stringResource(id = R.string.scan_qr_code_to_enter),
)
}
}

is PermissionStatus.Denied -> {
Box(
modifier = Modifier.fillMaxSize(),
) {
Column(modifier = Modifier.align(Alignment.Center)) {
if (cameraPermissionStatus.shouldShowRationale) {
Text(
modifier = Modifier
.align(Alignment.CenterHorizontally)
.padding(8.dp),
textAlign = TextAlign.Center,
color = Color.White,
text = stringResource(
id = io.getstream.video.android.ui.common.R.string.stream_video_permissions_title,
),
)
StreamButton(
modifier = Modifier.align(Alignment.CenterHorizontally),
text = "Request permission",
onClick = { cameraPermissionState.launchPermissionRequest() },
)
} else {
LaunchedEffect(key1 = "") {
cameraPermissionState.launchPermissionRequest()
}
}
}
}
}
Text(
modifier = Modifier
.align(Alignment.TopCenter)
.padding(8.dp),
textAlign = TextAlign.Center,
color = Color.White,
text = stringResource(id = R.string.scan_qr_code_to_enter),
)
}
}

Expand Down