Migrated to Composable views on the Android example

examples/simpleble-android/app/build.gradle.kts

@@ -46,16 +46,30 @@ android {
     }
     buildFeatures {
         viewBinding = true
+        compose = true
     }
+
+    composeOptions {
+        kotlinCompilerExtensionVersion = "1.5.11"
+    }
+
 }
 
 dependencies {
 
     implementation("androidx.core:core-ktx:1.12.0")
     implementation("androidx.appcompat:appcompat:1.6.1")
     implementation("com.google.android.material:material:1.11.0")
-    implementation("androidx.constraintlayout:constraintlayout:2.1.4")
+    //implementation("androidx.constraintlayout:constraintlayout:2.1.4")
     testImplementation("junit:junit:4.13.2")
     androidTestImplementation("androidx.test.ext:junit:1.1.5")
     androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
+
+    implementation("androidx.compose.ui:ui:1.6.4")
+    implementation("androidx.compose.ui:ui-tooling:1.6.4")
+    implementation("androidx.compose.ui:ui-tooling-preview:1.6.4")
+    implementation("androidx.compose.foundation:foundation:1.6.4")
+    implementation("androidx.compose.material:material:1.6.4")
+    implementation("androidx.activity:activity-ktx:1.8.2")
+    implementation("androidx.activity:activity-compose:1.8.2")
 }

examples/simpleble-android/app/src/main/java/org/simpleble/android_examples/MainActivity.kt

@@ -1,32 +1,35 @@
 package org.simpleble.android_examples
 
-import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
-import android.widget.TextView
-import org.simpleble.android_examples.databinding.ActivityMainBinding
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.compose.material.MaterialTheme
+import androidx.compose.material.Surface
+import androidx.compose.material.Text
+import androidx.compose.runtime.Composable
 
-class MainActivity : AppCompatActivity() {
-
-    private lateinit var binding: ActivityMainBinding
 
+class MainActivity : ComponentActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
-        binding = ActivityMainBinding.inflate(layoutInflater)
-        setContentView(binding.root)
+        setContent {
+            MaterialTheme {
+                Surface {
+                    Greeting(stringFromJNI())
+                }
+            }
+        }
+    }
 
-        // Example of a call to a native method
-        binding.sampleText.text = stringFromJNI()
+    @Composable
+    fun Greeting(text: String) {
+        Text(text = text)
     }
 
-    /**
-     * A native method that is implemented by the 'android_examples' native library,
-     * which is packaged with this application.
-     */
     external fun stringFromJNI(): String
 
     companion object {
-        // Used to load the 'android_examples' library on application startup.
         init {
             System.loadLibrary("android_examples")
         }

examples/simpleble-android/build.gradle.kts

@@ -1,5 +1,5 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 plugins {
     id("com.android.application") version "8.2.2" apply false
-    id("org.jetbrains.kotlin.android") version "1.9.22" apply false
+    id("org.jetbrains.kotlin.android") version "1.9.23" apply false
 }