Add more Chaquopy Android components

owenthcarey · owenthcarey · commit 4a7e41238a66 · 2023-06-02T11:29:26.000-07:00
diff --git a/apps/android_pythonnative_3/app/src/main/java/com/pythonnative/pythonnative/MainActivity.kt b/apps/android_pythonnative_3/app/src/main/java/com/pythonnative/pythonnative/MainActivity.kt
@@ -9,6 +9,7 @@ import android.widget.ImageView
 import android.widget.TextView
 import android.graphics.Color
 import androidx.constraintlayout.widget.ConstraintLayout
+import androidx.recyclerview.widget.RecyclerView
 import com.chaquo.python.PyException
 import com.chaquo.python.Python
 import com.chaquo.python.android.AndroidPlatform
@@ -22,50 +23,21 @@ class MainActivity : AppCompatActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
+        val layoutMain = findViewById<ConstraintLayout>(R.id.layout_main)
 
         // Initialize Chaquopy
         if (!Python.isStarted()) {
             Python.start(AndroidPlatform(this))
         }
         val py = Python.getInstance()
-        val createButtonModule = py.getModule("create_button")
-        val pyButton = createButtonModule.callAttr("create_button", this).toJava(Button::class.java)
-        val layoutMain = findViewById<ConstraintLayout>(R.id.layout_main)
-        layoutMain.addView(pyButton)
 
-        // TODO: Run python module and get button
+//        val createButtonModule = py.getModule("create_button")
+//        val pyButton = createButtonModule.callAttr("create_button", this).toJava(Button::class.java)
+//        layoutMain.addView(pyButton)
 
-        // Generate UI from Python
-//        val uiLayoutModule = py.getModule("ui_layout")
-//        val layoutJson = uiLayoutModule.callAttr("generate_layout").toString()
-//        val layout = JSONObject(layoutJson)
-//        val widgets = layout.getJSONArray("widgets")
-//
-//        for (i in 0 until widgets.length()) {
-//            val widget = widgets.getJSONObject(i)
-//            when (widget.getString("type")) {
-//                "Button" -> {
-//                    val button = Button(this)
-//                    button.text = widget.getJSONObject("properties").getString("text")
-//                    button.setTextColor(Color.parseColor(widget.getJSONObject("properties").getString("textColor")))
-//                    button.setBackgroundColor(Color.parseColor(widget.getJSONObject("properties").getString("backgroundColor")))
-//
-//                    if (widget.has("eventHandlers") && widget.getJSONObject("eventHandlers").has("onClick")) {
-//                        val onClickFunctionName = widget.getJSONObject("eventHandlers").getString("onClick")
-//                        val onClickFunction = py.getModule("ui_layout").get(onClickFunctionName)
-//
-//                        button.setOnClickListener {
-//                            onClickFunction?.call()
-//                        }
-//                    }
-//
-//                    // Add button to your layout here
-//                    val layoutMain = findViewById<ConstraintLayout>(R.id.layout_main)
-//                    layoutMain.addView(button)
-//                }
-//                // Handle other widget types...
-//            }
-//        }
+        val createRecyclerViewModule = py.getModule("create_recycler_view")
+        val pyRecyclerView = createRecyclerViewModule.callAttr("create_recycler_view", this).toJava(RecyclerView::class.java)
+        layoutMain.addView(pyRecyclerView)
 
         // Existing code for displaying plot
 //        val imageView = findViewById<ImageView>(R.id.image_home)
diff --git a/apps/android_pythonnative_3/app/src/main/python/create_recycler_view.py b/apps/android_pythonnative_3/app/src/main/python/create_recycler_view.py
@@ -0,0 +1,44 @@
+from java import cast, chaquopy, dynamic_proxy, jarray, jclass, static_proxy
+from androidx.recyclerview.widget import LinearLayoutManager
+from android.view import LayoutInflater
+from android.widget import TextView
+from android.content import Context
+
+
+class MyAdapter(static_proxy("androidx.recyclerview.widget.RecyclerView$Adapter")):
+    def __init__(self, context, items):
+        self.context = context
+        self.items = items
+
+    def onCreateViewHolder(self, parent, viewType):
+        inflater = self.context.getSystemService(Context.LAYOUT_INFLATER_SERVICE)
+        view = inflater.inflate(android.R.layout.simple_list_item_1, parent, False)
+        return MyViewHolder(view)
+
+    def onBindViewHolder(self, holder, position):
+        item = self.items[position]
+        holder.textView.setText(item)
+
+    def getItemCount(self):
+        return len(self.items)
+
+
+class MyViewHolder(dynamic_proxy("androidx.recyclerview.widget.RecyclerView$ViewHolder")):
+    def __init__(self, itemView):
+        super().__init__(itemView)
+        self.textView = cast(TextView, itemView.findViewById(android.R.id.text1))
+
+
+def create_recycler_view(context):
+    # Create RecyclerView
+    RecyclerView = dynamic_proxy("androidx.recyclerview.widget.RecyclerView")
+    recyclerView = RecyclerView(context)
+    # Create a layout manager for RecyclerView
+    layoutManager = LinearLayoutManager(context)
+    recyclerView.setLayoutManager(layoutManager)
+    # Create an adapter for RecyclerView
+    items = ["Item 1", "Item 2", "Item 3", "Item 4", "Item 5"]
+    adapter = MyAdapter(context, items)
+    # Set the adapter on RecyclerView
+    recyclerView.setAdapter(adapter)
+    return recyclerView
