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

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

@@ -0,0 +1,84 @@
+/*
+ * 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.compose.foundation.background
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxWidth
+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.OutlinedButton
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+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
+import com.google.android.ground.ui.theme.card_background
+
+@Composable
+fun ChoiceMapDialog() {
+  AlertDialog(
+    onDismissRequest = {  },
+    title = { Text(stringResource(id = R.string.choice_map_dialog)) },
+    dismissButton = {
+      OutlinedButton(onClick = {  }) { Text(text = stringResource(R.string.close)) }
+    },
+    confirmButton = { },
+    text = {
+      Row(
+        modifier = Modifier
+          .fillMaxWidth(),
+        horizontalArrangement = Arrangement.SpaceEvenly
+      ) {
+        Text(text = stringResource(id = R.string.drop_a_pin),
+          modifier = Modifier
+            .weight(1f)
+            .background(
+              color = card_background,
+              shape = RoundedCornerShape(16.dp)
+            )
+            .padding(16.dp),
+          textAlign = TextAlign.Center)
+        Spacer(modifier = Modifier.width(8.dp))
+        Text(text = stringResource(id = R.string.draw_or_walk),
+          modifier = Modifier
+            .weight(1f)
+          .background(
+            color = card_background,
+            shape = RoundedCornerShape(16.dp)
+          )
+          .padding(16.dp),
+        textAlign = TextAlign.Center)
+      }
+    }
+  )
+}
+
+@Preview
+@Composable
+fun ChoiceMapDialogPreview() {
+  AppTheme {
+    ChoiceMapDialog()
+  }
+}

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

@@ -80,3 +80,5 @@ val md_theme_dark_outlineVariant = Color(0xFF424940)
 val md_theme_dark_scrim = Color(0xFF000000)
 
 val seed = Color(0xFF006E2C)
+
+val card_background = Color(0xFFD4E8D1)

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

@@ -190,4 +190,8 @@
   </string>
   <string name="draft_restored">Unsaved data restored</string>
   <string name="load_tos_failed">Could not connect, try again later</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>