[Data collection] Prompt user to select "Drop pin" or "Draw/walk perimeter" when organizers allow it

ground/src/main/java/com/google/android/ground/model/task/Task.kt

@@ -33,6 +33,7 @@ constructor(
   val multipleChoice: MultipleChoice? = null,
   val isAddLoiTask: Boolean = false,
   val condition: Condition? = null,
+  val isMultipleGeometry: Boolean = false,
 ) {
 
   /**

ground/src/main/java/com/google/android/ground/persistence/remote/firebase/schema/TaskConverter.kt

@@ -77,6 +77,7 @@ internal object TaskConverter {
         multipleChoice,
         task.level == DataCollectionLevel.LOI_METADATA,
         condition = condition,
+        isMultipleGeometry = (drawGeometry?.allowedMethodsList?.size ?: 0) > 1,
       )
     }
 }

ground/src/main/java/com/google/android/ground/ui/datacollection/tasks/AbstractTaskFragment.kt

@@ -45,6 +45,7 @@ import com.google.android.ground.ui.datacollection.components.ButtonAction
 import com.google.android.ground.ui.datacollection.components.LoiNameDialog
 import com.google.android.ground.ui.datacollection.components.TaskButton
 import com.google.android.ground.ui.datacollection.components.TaskView
+import com.google.android.ground.ui.datacollection.tasks.draw.SelectGeometryTaskDialog
 import com.google.android.ground.ui.theme.AppTheme
 import kotlin.properties.Delegates
 import kotlinx.coroutines.launch
@@ -285,6 +286,16 @@ abstract class AbstractTaskFragment<T : AbstractTaskViewModel> : AbstractFragmen
     }
   }
 
+  private fun launchSelectGeometryTaskDialog() {
+    lifecycleScope.launch {
+      (view as ViewGroup).addView(
+        ComposeView(requireContext()).apply {
+          setContent { AppTheme { SelectGeometryTaskDialog() } }
+        }
+      )
+    }
+  }
+
   data class ButtonData(val index: Int, val button: TaskButton)
 
   companion object {

ground/src/main/java/com/google/android/ground/ui/datacollection/tasks/draw/SelectGeometryTaskDialog.kt

@@ -0,0 +1,102 @@
+/*
+ * Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.android.ground.ui.datacollection.tasks.draw
+
+import androidx.annotation.DrawableRes
+import androidx.annotation.StringRes
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.RowScope
+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.width
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.AlertDialog
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedButton
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import com.google.android.ground.R
+import com.google.android.ground.ui.theme.AppTheme
+
+@Composable
+fun SelectGeometryTaskDialog() {
+  AlertDialog(
+    onDismissRequest = {},
+    title = { Text(stringResource(id = R.string.choice_map_dialog)) },
+    dismissButton = {
+      OutlinedButton(onClick = {}) { Text(text = stringResource(R.string.close)) }
+    },
+    confirmButton = {},
+    containerColor = MaterialTheme.colorScheme.surfaceVariant,
+    text = {
+      Row(modifier = Modifier.fillMaxWidth(), horizontalArrangement = Arrangement.SpaceEvenly) {
+        OptionsCard(textRes = R.string.drop_a_pin, imageRes = R.drawable.outline_pin_drop) {}
+        Spacer(modifier = Modifier.width(8.dp))
+        OptionsCard(textRes = R.string.draw_or_walk, imageRes = R.drawable.outline_pin_drop) {}
+      }
+    },
+  )
+}
+
+@Composable
+private fun RowScope.OptionsCard(
+  @StringRes textRes: Int,
+  @DrawableRes imageRes: Int,
+  onClick: () -> Unit,
+) {
+  Column(
+    modifier =
+      Modifier.weight(1f)
+        .height(100.dp)
+        .background(
+          color = MaterialTheme.colorScheme.secondaryContainer,
+          shape = RoundedCornerShape(16.dp),
+        )
+        .padding(16.dp)
+        .clickable { onClick() },
+    horizontalAlignment = Alignment.CenterHorizontally,
+    verticalArrangement = Arrangement.Center,
+  ) {
+    Image(painter = painterResource(id = imageRes), contentDescription = "")
+    Spacer(modifier = Modifier.weight(1f))
+    Text(
+      text = stringResource(id = textRes),
+      modifier = Modifier,
+      textAlign = TextAlign.Center,
+      color = MaterialTheme.colorScheme.onSurfaceVariant,
+    )
+  }
+}
+
+@Preview(showBackground = true)
+@Composable
+fun ChoiceMapDialogPreview() {
+  AppTheme { SelectGeometryTaskDialog() }
+}

ground/src/main/java/com/google/android/ground/ui/theme/Color.kt

@@ -78,5 +78,3 @@ val md_theme_dark_shadow = Color(0xFF000000)
 val md_theme_dark_surfaceTint = Color(0xFF7EDA8B)
 val md_theme_dark_outlineVariant = Color(0xFF424940)
 val md_theme_dark_scrim = Color(0xFF000000)
-
-val seed = Color(0xFF006E2C)

ground/src/main/res/values/strings.xml

@@ -188,4 +188,8 @@
   <string name="data_submitted_image">Data submitted image</string>
   <string name="data_collection_complete">Data collection complete!</string>
   <string name="data_collection_complete_details">Your data has been saved and will be automatically synced when you’re online.</string>
+
+  <string name="drop_a_pin">Drop a pin</string>
+  <string name="choice_map_dialog">How will you map this site?</string>
+  <string name="draw_or_walk">Draw or walk perimeter</string>
 </resources>