Generate read attribute

src/android/CHIPTool/app/src/main/java/com/google/chip/chiptool/clusterclient/clusterinteraction/ClusterDetailFragment.kt

@@ -9,6 +9,7 @@ import android.widget.ArrayAdapter
 import android.widget.AutoCompleteTextView
 import android.widget.LinearLayout
 import android.widget.Toast
+import androidx.appcompat.app.AlertDialog
 import androidx.constraintlayout.widget.ConstraintLayout
 import androidx.core.view.forEach
 import androidx.fragment.app.Fragment
@@ -67,9 +68,15 @@ class ClusterDetailFragment : Fragment() {
     return inflater.inflate(R.layout.cluster_detail_fragment, container, false).apply {
       deviceController.setCompletionListener(GenericChipDeviceListener())
       commandAutoCompleteTv.visibility = View.GONE
-      clusterAutoCompleteSetup(clusterAutoCompleteTv, commandAutoCompleteTv, parameterList)
+      clusterAutoCompleteSetup(
+        clusterAutoCompleteTv,
+        commandAutoCompleteTv,
+        parameterList,
+        callbackList
+      )
       commandAutoCompleteSetup(commandAutoCompleteTv, inflater, parameterList, callbackList)
       invokeCommand.setOnClickListener {
+        callbackList.removeAllViews()
         val commandArguments = HashMap<String, Any>()
         parameterList.forEach {
           val type =
@@ -89,7 +96,7 @@ class ClusterDetailFragment : Fragment() {
       Int::class.java -> data.toInt()
       String::class.java -> data
       Boolean::class.java -> data.toBoolean()
-      else -> null
+      else -> data
     }
   }
 
@@ -102,7 +109,8 @@ class ClusterDetailFragment : Fragment() {
   private fun clusterAutoCompleteSetup(
     clusterAutoComplete: AutoCompleteTextView,
     commandAutoComplete: AutoCompleteTextView,
-    parameterList: LinearLayout
+    parameterList: LinearLayout,
+    callbackList: LinearLayout
   ) {
     val clusterNameList = constructHint(clusterMap)
     val clusterAdapter =
@@ -113,6 +121,7 @@ class ClusterDetailFragment : Fragment() {
       // when new cluster is selected, clear the command text and possible parameterList
       commandAutoComplete.setText("", false)
       parameterList.removeAllViews()
+      callbackList.removeAllViews()
       // populate all the commands that belong to the selected cluster
       val selectedCluster: String = clusterAutoComplete.adapter.getItem(position).toString()
       val commandAdapter = getCommandOptions(selectedCluster)
@@ -127,8 +136,9 @@ class ClusterDetailFragment : Fragment() {
     callbackList: LinearLayout
   ) {
     commandAutoComplete.setOnItemClickListener { parent, view, position, id ->
-      // when new command is selected, clear all the parameterList
+      // when new command is selected, clear all the parameterList and callbackList
       parameterList.removeAllViews()
+      callbackList.removeAllViews()
       selectedCluster = selectedClusterInfo.createClusterFunction.create(devicePtr, endpointId)
       val selectedCommand: String = commandAutoComplete.adapter.getItem(position).toString()
       selectedCommandInfo = selectedClusterInfo.commands[selectedCommand]!!
@@ -171,12 +181,39 @@ class ClusterDetailFragment : Fragment() {
     callbackList: LinearLayout
   ) {
     responseValues.forEach { (variableNameType, response) ->
-      val callback =
-        inflater.inflate(R.layout.cluster_callback_item, null, false) as ConstraintLayout
-      callback.clusterCallbackNameTv.text = variableNameType.name
-      callback.clusterCallbackDataTv.text = response.toString()
-      callback.clusterCallbackTypeTv.text = variableNameType.type
-      callbackList.addView(callback)
+      if (response is List<*>) {
+        if (response.size == 0) {
+          val emptyCallback =
+            inflater.inflate(R.layout.cluster_callback_item, null, false) as ConstraintLayout
+          emptyCallback.clusterCallbackNameTv.text = "Result is empty"
+          callbackList.addView(emptyCallback)
+        } else {
+          response.forEachIndexed { index, it ->
+            val objectCallback =
+              inflater.inflate(R.layout.cluster_callback_item, null, false) as ConstraintLayout
+            objectCallback.clusterCallbackNameTv.text = variableNameType.name + "[$index]"
+            val objectDeserializationString = it.toString()
+            val callbackClassName = it!!.javaClass.toString().split('$').last()
+            objectCallback.clusterCallbackDataTv.text = callbackClassName
+            objectCallback.clusterCallbackDataTv.setOnClickListener {
+              AlertDialog.Builder(requireContext())
+                .setTitle(callbackClassName)
+                .setMessage(objectDeserializationString)
+                .create()
+                .show()
+            }
+            objectCallback.clusterCallbackTypeTv.text = "List<$callbackClassName>"
+            callbackList.addView(objectCallback)
+          }
+        }
+      } else {
+        val callback =
+          inflater.inflate(R.layout.cluster_callback_item, null, false) as ConstraintLayout
+        callback.clusterCallbackNameTv.text = variableNameType.name
+        callback.clusterCallbackDataTv.text = response.toString()
+        callback.clusterCallbackTypeTv.text = variableNameType.type
+        callbackList.addView(callback)
+      }
     }
   }
 

src/android/CHIPTool/app/src/main/java/com/google/chip/chiptool/clusterclient/clusterinteraction/ClusterInteractionFragment.kt

@@ -13,8 +13,6 @@ import com.google.chip.chiptool.ChipClient
 import com.google.chip.chiptool.GenericChipDeviceListener
 import com.google.chip.chiptool.R
 import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.Job
 import kotlinx.coroutines.cancel
 import com.google.chip.chiptool.clusterclient.AddressUpdateFragment
 import kotlinx.android.synthetic.main.cluster_interaction_fragment.view.endpointList
@@ -94,4 +92,4 @@ class ClusterInteractionFragment : Fragment() {
       showFragment(ClusterDetailFragment.newInstance(devicePtr, position))
     }
   }
-}
+}

src/android/CHIPTool/app/src/main/res/layout/cluster_callback_item.xml

@@ -6,16 +6,17 @@
 
   <TextView
       android:id="@+id/clusterCallbackNameTv"
-      android:layout_width="80dp"
+      android:layout_width="90dp"
       android:layout_height="wrap_content"
       android:layout_marginHorizontal="10dp"
-      android:padding="16dp"
-      android:minWidth="48dp"
+      android:padding="8dp"
+      android:minWidth="90dp"
       app:layout_constraintBottom_toBottomOf="parent"
       app:layout_constraintEnd_toStartOf="@id/clusterCallbackDataTv"
       app:layout_constraintStart_toStartOf="parent"
       app:layout_constraintTop_toTopOf="parent" />
 
+
   <TextView
       android:id="@+id/clusterCallbackDataTv"
       android:layout_width="0dp"
@@ -26,8 +27,6 @@
       app:layout_constraintEnd_toStartOf="@id/clusterCallbackTypeTv"
       app:layout_constraintStart_toEndOf="@id/clusterCallbackNameTv"
       app:layout_constraintTop_toTopOf="parent" />
-
-
   <TextView
       android:id="@+id/clusterCallbackTypeTv"
       android:textStyle="bold"

src/android/CHIPTool/app/src/main/res/layout/cluster_detail_fragment.xml

@@ -36,13 +36,15 @@
       android:layout_marginBottom="8dp"
       android:layout_below="@id/commandAutoCompleteTv"
       android:orientation="vertical" />
-
-  <LinearLayout
-      android:id="@+id/callbackList"
-      android:layout_width="match_parent"
-      android:layout_height="wrap_content"
-      android:layout_marginBottom="8dp"
-      android:layout_below="@+id/invokeCommand"
-      android:orientation="vertical" />
-
+  <ScrollView
+      android:layout_width="fill_parent"
+      android:layout_height="wrap_content">
+    <LinearLayout
+        android:id="@+id/callbackList"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="8dp"
+        android:layout_below="@+id/invokeCommand"
+        android:orientation="vertical" />
+  </ScrollView>
 </LinearLayout>

src/controller/java/src/chip/clusterinfo/ClusterInfo.java

@@ -21,6 +21,10 @@ public Map<String, CommandInfo> getCommands() {
     return commands;
   }
 
+  public void combineCommands(Map<String, CommandInfo> newCommands) {
+    this.commands.putAll(newCommands);
+  }
+
   /**
    * The functional interface provides a uniform way to create cluster through create function. In
    * ClusterInfoMapping, each ClusterConstructor was generated using the intended function. Using

src/controller/java/templates/ChipClusters-java.zapt

@@ -160,6 +160,45 @@ public class ChipClusters {
         {{/if}}
         {{/chip_attribute_list_entryTypes}}
       }
+
+      @Override
+      public String toString() {
+        StringBuilder output = new StringBuilder("");
+          {{#chip_attribute_list_entryTypes}}
+            {{#if isOptional}}
+            {{! TODO: Add support for optional types here }}
+            {{else if isNullable}}
+            {{! TODO: Add support for nullable types here }}
+            {{else if isArray}}
+            {{! TODO: Add support for lists here }}
+            {{else if isStruct}}
+            {{! TODO: Add support for structs here }}
+            {{else if (isOctetString type)}}
+            output.append("byte[] {{asLowerCamelCase name}}: [");
+            for (int i = 0; i < {{asLowerCamelCase name}}.length; i++) {
+              if (i != {{asLowerCamelCase name}}.length - 1) {
+                output.append({{asLowerCamelCase name}}[i]);
+                output.append(", ");
+              }
+              else {
+                output.append({{asLowerCamelCase name}}[i]);
+                output.append("]");
+                output.append("\n");
+              }
+            }
+            {{else if (isCharString type)}}
+            output.append("String {{asLowerCamelCase name}}: ");
+            output.append(this.{{asLowerCamelCase name}});
+            output.append("\n");
+            {{else}}
+            output.append("{{asJavaBasicType label type}} {{asLowerCamelCase name}}: ");
+            output.append(this.{{asLowerCamelCase name}});
+            output.append("\n");
+            {{/if}}
+
+          {{/chip_attribute_list_entryTypes}}
+        return output.toString();
+      }
     }
 {{/if}}