implement test-app for instrumentation testing

app/build.gradle

@@ -61,16 +61,10 @@ dependencies {
     implementation 'androidx.compose.material:material-icons-extended'
     implementation 'androidx.compose.material3:material3-window-size-class'
 
-//    implementation(project(":composed"))
-    implementation "io.github.karthyks:composed:0.2.0"
+    implementation project(":samples")
 
     implementation "androidx.compose.ui:ui-tooling-preview"
     implementation 'androidx.compose.material3:material3'
     debugImplementation "androidx.compose.ui:ui-tooling"
     debugImplementation "androidx.compose.ui:ui-test-manifest"
-
-    testImplementation 'junit:junit:4.13.2'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.4'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.0'
-    androidTestImplementation "androidx.compose.ui:ui-test-junit4"
 }

app/src/main/AndroidManifest.xml

@@ -3,6 +3,7 @@
     xmlns:tools="http://schemas.android.com/tools">
 
     <application
+        android:name=".ComposedApp"
         android:allowBackup="true"
         android:dataExtractionRules="@xml/data_extraction_rules"
         android:fullBackupContent="@xml/backup_rules"
@@ -12,21 +13,6 @@
         android:supportsRtl="true"
         android:theme="@style/Theme.Composed"
         tools:targetApi="31">
-        <activity
-            android:name=".MainActivity"
-            android:exported="true"
-            android:label="@string/app_name"
-            android:theme="@style/Theme.Composed">
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN" />
-
-                <category android:name="android.intent.category.LAUNCHER" />
-            </intent-filter>
-
-            <meta-data
-                android:name="android.app.lib_name"
-                android:value="" />
-        </activity>
     </application>
 
 </manifest>

app/src/main/java/com/karthyks/composed/ComposedApp.kt

@@ -0,0 +1,5 @@
+package com.karthyks.composed
+
+import android.app.Application
+
+class ComposedApp : Application()

composed/src/main/java/io/github/karthyks/composed/ComposeDelegate.kt

@@ -3,6 +3,8 @@ package io.github.karthyks.composed
 import androidx.compose.foundation.layout.Box
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.remember
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.testTag
 import kotlin.reflect.KProperty
 
 internal class ComposeDelegate(
@@ -11,7 +13,7 @@ internal class ComposeDelegate(
     lateinit var viewHolder: ViewHolder
     private val composeWrapper: @Composable () -> Unit = {
         // Do animations or other stuffs here.
-        Box {
+        Box(modifier = Modifier.testTag(OVERLAY_TEST_TAG)) {
             val provider = LocalOverlayProvider.current
             val disposable = remember {
                 DisposableViewHolder { provider.remove(viewHolder) }
@@ -25,3 +27,5 @@ internal class ComposeDelegate(
         return composeWrapper
     }
 }
+
+const val OVERLAY_TEST_TAG = "composed-overlay"

samples/.gitignore

@@ -0,0 +1 @@
+/build

samples/build.gradle

@@ -0,0 +1,64 @@
+plugins {
+    id 'com.android.library'
+    id 'org.jetbrains.kotlin.android'
+}
+
+android {
+    namespace 'com.karthyks.composed.samples'
+    compileSdk 33
+
+    defaultConfig {
+        minSdk 21
+        targetSdk 33
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
+    buildFeatures {
+        compose true
+    }
+    composeOptions {
+        kotlinCompilerExtensionVersion '1.3.2'
+    }
+}
+
+dependencies {
+
+    def composeBom = platform("androidx.compose:compose-bom:$compose_bom_version")
+    implementation composeBom
+    androidTestImplementation composeBom
+
+    implementation 'androidx.core:core-ktx:1.9.0'
+    implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.5.1'
+    implementation 'androidx.activity:activity-compose:1.6.1'
+
+    implementation "androidx.compose.ui:ui"
+    implementation "androidx.compose.foundation:foundation"
+    implementation 'androidx.compose.material:material-icons-core'
+    implementation 'androidx.compose.material:material-icons-extended'
+    implementation 'androidx.compose.material3:material3-window-size-class'
+
+    implementation "androidx.compose.ui:ui-tooling-preview"
+    implementation 'androidx.compose.material3:material3'
+    debugImplementation "androidx.compose.ui:ui-tooling"
+    debugImplementation "androidx.compose.ui:ui-test-manifest"
+
+    implementation(project(":composed"))
+
+    testImplementation 'junit:junit:4.13.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.5'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
+}

samples/proguard-rules.pro

@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

samples/src/main/AndroidManifest.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <application>
+        <activity
+            android:name=".SampleActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+
+            <meta-data
+                android:name="android.app.lib_name"
+                android:value="" />
+        </activity>
+    </application>
+</manifest>