feat(templates): add helper methods to create values resources

lsp/xml/src/main/java/com/itsaky/androidide/lsp/xml/utils/XMLBuilder.java

@@ -15,9 +15,7 @@
  *   along with AndroidIDE.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package com.itsaky.androidide.lsp.xml.utils;
-
-/**
+/*
  * Copyright (c) 2018 Angelo ZERR All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v2.0 which accompanies this
  * distribution, and is available at http://www.eclipse.org/legal/epl-v20.html
@@ -27,6 +25,8 @@ package com.itsaky.androidide.lsp.xml.utils;
  * <p>Contributors: Angelo Zerr <angelo.zerr@gmail.com> - initial API and implementation
  */
 
+package com.itsaky.androidide.lsp.xml.utils;
+
 import static org.eclipse.lemminx.utils.StringUtils.normalizeSpace;
 
 import com.itsaky.androidide.lsp.xml.models.XMLServerSettings;

subprojects/xml-utils/src/main/java/com/itsaky/androidide/xml/utils/XmlBuilder.java

@@ -0,0 +1,211 @@
+/*
+ *  This file is part of AndroidIDE.
+ *
+ *  AndroidIDE is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  AndroidIDE is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *   along with AndroidIDE.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * 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
+ *
+ *      http://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.itsaky.androidide.xml.utils;
+
+import static com.android.SdkConstants.ATTR_LAYOUT_HEIGHT;
+import static com.android.SdkConstants.ATTR_LAYOUT_WIDTH;
+import static com.android.SdkConstants.PreferenceTags.PREFERENCE_CATEGORY;
+import static com.android.SdkConstants.VALUE_MATCH_PARENT;
+import static com.android.SdkConstants.VALUE_WRAP_CONTENT;
+
+import com.android.SdkConstants;
+import com.android.annotations.NonNull;
+
+/**
+ * Builds XML strings. Arguments are not validated or escaped. This class is designed to replace
+ * hand writing XML snippets in string literals.
+ */
+public final class XmlBuilder {
+  private enum Construct {
+    NULL,
+    START_TAG,
+    ATTRIBUTE,
+    CHARACTER_DATA,
+    END_TAG
+  }
+
+  private final StringBuilder stringBuilder = new StringBuilder();
+
+  private Construct lastAppendedConstruct = Construct.NULL;
+  private int indentationLevel;
+
+  @NonNull
+  public XmlBuilder startTag(@NonNull String name) {
+    if (!lastAppendedConstruct.equals(Construct.END_TAG)) {
+      int length = stringBuilder.length();
+      if (length > 0) {
+        stringBuilder.replace(length - 1, length, ">\n");
+      }
+    }
+
+    if (indentationLevel != 0) {
+      stringBuilder.append('\n');
+    }
+
+    indent();
+
+    stringBuilder.append('<').append(name).append('\n');
+
+    indentationLevel++;
+    lastAppendedConstruct = Construct.START_TAG;
+
+    return this;
+  }
+
+  @NonNull
+  public XmlBuilder androidAttribute(@NonNull String name, boolean value) {
+    return androidAttribute(name, Boolean.toString(value));
+  }
+
+  @NonNull
+  public XmlBuilder androidAttribute(@NonNull String name, int value) {
+    return androidAttribute(name, Integer.toString(value));
+  }
+
+  @NonNull
+  public XmlBuilder androidAttribute(@NonNull String name, @NonNull String value) {
+    return attribute(SdkConstants.ANDROID_NS_NAME, name, value);
+  }
+
+  @NonNull
+  public XmlBuilder attribute(@NonNull String name, @NonNull String value) {
+    return attribute("", name, value);
+  }
+
+  @NonNull
+  public XmlBuilder attribute(
+    @NonNull String namespacePrefix, @NonNull String name, @NonNull String value) {
+    indent();
+
+    if (!namespacePrefix.isEmpty()) {
+      stringBuilder.append(namespacePrefix).append(':');
+    }
+
+    stringBuilder.append(name).append("=\"").append(value).append("\"\n");
+
+    lastAppendedConstruct = Construct.ATTRIBUTE;
+    return this;
+  }
+
+  @NonNull
+  public XmlBuilder wrapContent() {
+    return withSize(VALUE_WRAP_CONTENT, VALUE_WRAP_CONTENT);
+  }
+
+  @NonNull
+  public XmlBuilder matchParent() {
+    return withSize(VALUE_MATCH_PARENT, VALUE_MATCH_PARENT);
+  }
+
+  @NonNull
+  public XmlBuilder withSize(@NonNull String width, @NonNull String height) {
+    androidAttribute(ATTR_LAYOUT_WIDTH, width);
+    androidAttribute(ATTR_LAYOUT_HEIGHT, height);
+    return this;
+  }
+
+  @NonNull
+  public XmlBuilder characterData(@NonNull String data) {
+    if (lastAppendedConstruct.equals(Construct.START_TAG)
+      || lastAppendedConstruct.equals(Construct.ATTRIBUTE)) {
+      int length = stringBuilder.length();
+      stringBuilder.replace(length - 1, length, ">\n");
+    }
+
+    indent();
+
+    stringBuilder.append(data).append('\n');
+
+    lastAppendedConstruct = Construct.CHARACTER_DATA;
+    return this;
+  }
+
+  @NonNull
+  public XmlBuilder appendDirectly(String content) {
+    stringBuilder.append(content);
+    return this;
+  }
+
+  @NonNull
+  public XmlBuilder endTag(@NonNull String name) {
+    return endTagImpl(name, !name.endsWith("Layout") && !name.equals(PREFERENCE_CATEGORY));
+  }
+
+  @NonNull
+  public XmlBuilder seperateEndTag(@NonNull String name) {
+    return endTagImpl(name, false);
+  }
+
+  @NonNull
+  private XmlBuilder endTagImpl(@NonNull String name, boolean useEmptyElementTag) {
+    if (lastAppendedConstruct.equals(Construct.START_TAG)
+      || lastAppendedConstruct.equals(Construct.ATTRIBUTE)) {
+      int length = stringBuilder.length();
+
+      if (useEmptyElementTag) {
+        stringBuilder.deleteCharAt(length - 1);
+      } else {
+        stringBuilder.replace(length - 1, length, ">\n\n");
+      }
+    }
+
+    indentationLevel--;
+
+    if ((lastAppendedConstruct.equals(Construct.START_TAG)
+      || lastAppendedConstruct.equals(Construct.ATTRIBUTE))
+      && useEmptyElementTag) {
+      stringBuilder.append(" />\n");
+    } else {
+      indent();
+
+      stringBuilder.append("</").append(name).append(">\n");
+    }
+
+    lastAppendedConstruct = Construct.END_TAG;
+    return this;
+  }
+
+  private void indent() {
+    for (int i = 0; i < indentationLevel; i++) {
+      stringBuilder.append("    ");
+    }
+  }
+
+  @NonNull
+  @Override
+  public String toString() {
+    return stringBuilder.toString();
+  }
+}
+

subprojects/xml-utils/src/test/java/com/itsaky/androidide/xml/utils/XmlBuilderTest.kt

@@ -0,0 +1,34 @@
+/*
+ *  This file is part of AndroidIDE.
+ *
+ *  AndroidIDE is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  AndroidIDE is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *   along with AndroidIDE.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.itsaky.androidide.xml.utils
+
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.robolectric.RobolectricTestRunner
+
+/**
+ * @author Akash Yadav
+ */
+@RunWith(RobolectricTestRunner::class)
+class XmlBuilderTest {
+
+  @Test
+  fun `test values res build`() {
+
+  }
+}

templates-api/src/main/java/com/itsaky/androidide/templates/base/AndroidModuleTemplateBuilder.kt

@@ -30,8 +30,8 @@ import java.io.File
 
 class AndroidModuleTemplateBuilder : ModuleTemplateBuilder() {
 
-  val manifestBuilder = AndroidManifestBuilder()
-  val resManager = AndroidModuleResManager()
+  val manifest = AndroidManifestBuilder()
+  val res = AndroidModuleResManager()
 
   /**
    * Return the file path to `AndroidManifest.xml`.
@@ -45,7 +45,7 @@ class AndroidModuleTemplateBuilder : ModuleTemplateBuilder() {
    * Configure the properties for `AndroidManifest.xml` file.
    */
   fun manifest(block: AndroidManifestBuilder.() -> Unit) {
-    manifestBuilder.apply(block)
+    manifest.apply(block)
   }
 
   /**
@@ -72,7 +72,7 @@ class AndroidModuleTemplateBuilder : ModuleTemplateBuilder() {
    * @param configure Function to configure the resources.
    */
   fun RecipeExecutor.res(configure: AndroidModuleResManager.() -> Unit) {
-    resManager.apply(configure)
+    res.apply(configure)
   }
 
   /**
@@ -100,7 +100,7 @@ class AndroidModuleTemplateBuilder : ModuleTemplateBuilder() {
   }
 
   override fun RecipeExecutor.preConfig() {
-    manifestBuilder.apply {
+    manifest.apply {
       packageName = data.packageName
       isLibrary = data.type == AndroidLibrary
     }
@@ -110,7 +110,7 @@ class AndroidModuleTemplateBuilder : ModuleTemplateBuilder() {
   }
 
   override fun RecipeExecutor.postConfig() {
-    manifestBuilder.apply {
+    manifest.apply {
       generate(manifestFile())
     }
   }

templates-api/src/main/java/com/itsaky/androidide/templates/base/modules/android/utils.kt

@@ -29,11 +29,13 @@ import com.itsaky.androidide.templates.base.baseAndroidXDependencies
  * @param copyDefAssets Whether to copy the default Android assets (except `values` directory) to this module.
  * @param block The module configurator.
  */
-fun ProjectTemplateBuilder.defaultAppModule(name: String = ":app", addAndroidX: Boolean = true,
+fun ProjectTemplateBuilder.defaultAppModule(name: String = ":app",
+                                            addAndroidX: Boolean = true,
                                             copyDefAssets: Boolean = true,
                                             block: AndroidModuleTemplateConfigurator
 ) {
-  check(defModuleTemplate == null) { "Default module has been already configured" }
+  check(
+    defModuleTemplate == null) { "Default module has been already configured" }
 
   val module = AndroidModuleTemplateBuilder().apply {
     _name = name

templates-api/src/main/java/com/itsaky/androidide/templates/base/util/AndroidManifestBuilder.kt

@@ -31,8 +31,8 @@ import com.itsaky.androidide.templates.RecipeExecutor
 import com.itsaky.androidide.templates.base.modules.android.ManifestActivity
 import com.itsaky.androidide.templates.base.modules.android.ManifestIcon
 import com.itsaky.androidide.xml.permissions.Permission
+import com.itsaky.androidide.xml.utils.XmlBuilder
 import java.io.File
-import com.android.xml.XmlBuilder as XMLBuilder
 
 /**
  * Builder for building `AndroidManifest.xml` file for an Android module.
@@ -102,12 +102,12 @@ class AndroidManifestBuilder {
   }
 
   private fun manifestSrc(): String {
-    return XMLBuilder().apply {
+    return XmlBuilder().apply {
       buildManifest()
     }.withXmlDecl()
   }
 
-  private fun XMLBuilder.buildManifest() {
+  private fun XmlBuilder.buildManifest() {
     createElement(TAG_MANIFEST) {
       attr(name = ANDROID_NS_NAME, value = ANDROID_URI, ns = XMLNS)
 
@@ -116,7 +116,7 @@ class AndroidManifestBuilder {
     }
   }
 
-  private fun XMLBuilder.permissions() {
+  private fun XmlBuilder.permissions() {
     for (permission in permissions) {
       createElement(TAG_USES_PERMISSION) {
         androidAttr("name", permission.constant)
@@ -124,7 +124,7 @@ class AndroidManifestBuilder {
     }
   }
 
-  private fun XMLBuilder.application() {
+  private fun XmlBuilder.application() {
     if (isLibrary) {
       return
     }
@@ -141,7 +141,7 @@ class AndroidManifestBuilder {
     }
   }
 
-  private fun XMLBuilder.activities() {
+  private fun XmlBuilder.activities() {
     for (activity in activities) {
       createElement(TAG_ACTIVITY) {
         androidAttr("name", activity.name(packageName))
@@ -155,7 +155,7 @@ class AndroidManifestBuilder {
     }
   }
 
-  private fun XMLBuilder.intentFilter() {
+  private fun XmlBuilder.intentFilter() {
     createElement(TAG_INTENT_FILTER) {
       // action
       createElement(TAG_ACTION) {
@@ -169,11 +169,11 @@ class AndroidManifestBuilder {
     }
   }
 
-  private fun XMLBuilder.androidAttr(name: String, value: String) {
+  private fun XmlBuilder.androidAttr(name: String, value: String) {
     androidAttribute(name, value)
   }
 
-  private fun XMLBuilder.attr(name: String, value: String, ns: String = "") {
+  private fun XmlBuilder.attr(name: String, value: String, ns: String = "") {
     attribute(ns, name, value)
   }
 

templates-api/src/main/java/com/itsaky/androidide/templates/base/util/AndroidModuleResManager.kt

@@ -18,8 +18,9 @@
 package com.itsaky.androidide.templates.base.util
 
 import com.android.aaptcompiler.ConfigDescription
-import com.android.xml.XmlBuilder
+import com.itsaky.androidide.xml.utils.XmlBuilder
 import com.itsaky.androidide.templates.SrcSet
+import com.itsaky.androidide.templates.SrcSet.Main
 import com.itsaky.androidide.templates.base.AndroidModuleTemplateBuilder
 import java.io.File
 
@@ -55,12 +56,33 @@ class AndroidModuleResManager {
     var name = type.dirName
     config.toString().also {
       if (it != "DEFAULT") {
-        name += it
+        name += "-${it}"
       }
     }
     return File(resDir(srcSet), name).also { it.mkdirs() }
   }
 
+  /**
+   * Create a new XML values resource file for the given [resource type][type] and
+   * the [configuration][config]. The `<resources>` tag is already appended
+   * to the [XmlBuilder].
+   *
+   * @param name The name of the resource without the `.xml` extension.
+   * @param type The resource type.
+   * @param srcSet The source set.
+   * @param config The configuration for the resource type.
+   */
+  fun AndroidModuleTemplateBuilder.createValuesResource(name: String,
+                                                        type: ResourceType,
+                                                        srcSet: SrcSet = Main,
+                                                        config: ConfigDescription = ConfigDescription(),
+                                                        configure: XmlBuilder.() -> Unit
+  ) {
+    return createXmlResource(name, type, srcSet, config) {
+      createElement("resources", configure)
+    }
+  }
+
   /**
    * Create a new XML resource file for the given [resource type][ResourceType] and the [configuration][ConfigDescription].
    *

templates-api/src/main/java/com/itsaky/androidide/templates/base/util/xmlBuilder.kt

@@ -17,7 +17,7 @@
 
 package com.itsaky.androidide.templates.base.util
 
-import com.android.xml.XmlBuilder
+import com.itsaky.androidide.xml.utils.XmlBuilder
 
 /**
  * Creates a new element in the [XmlBuilder] with the given [name].
@@ -30,9 +30,29 @@ fun XmlBuilder.createElement(name: String, configure: XmlBuilder.() -> Unit) {
   endTag(name)
 }
 
+/**
+ * Adds a new `<string>` resource entry to this [XmlBuilder].
+ *
+ * @param name The name of the string resource.
+ * @param value The value of the XML resource.
+ */
+fun XmlBuilder.addStringRes(name: String, value: String) {
+  createElement("string") {
+    attribute("name", name)
+    text(value)
+  }
+}
+
 /**
  * Get the generated XML string from the [XmlBuilder] with XML declaration prepended.
  */
-fun XmlBuilder.withXmlDecl() : String {
-  return "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n${toString()}"
+fun XmlBuilder.withXmlDecl(): String {
+  return toString().withXmlDecl()
+}
+
+/**
+ * Prepends XML declaration to this string.
+ */
+fun String.withXmlDecl(): String {
+  return "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n${this}"
 }

templates-impl/src/main/java/com/itsaky/androidide/templates/impl/base/src.kt

@@ -0,0 +1,26 @@
+/*
+ *  This file is part of AndroidIDE.
+ *
+ *  AndroidIDE is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  AndroidIDE is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *   along with AndroidIDE.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.itsaky.androidide.templates.impl.base
+
+import com.itsaky.androidide.templates.base.util.withXmlDecl
+
+internal fun emptyValuesFile(): String {
+  return """
+<resources></resources>
+  """.trim().withXmlDecl()
+}

templates-impl/src/main/java/com/itsaky/androidide/templates/impl/base/themes.kt

@@ -0,0 +1,32 @@
+/*
+ *  This file is part of AndroidIDE.
+ *
+ *  AndroidIDE is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  AndroidIDE is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *   along with AndroidIDE.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.itsaky.androidide.templates.impl.base
+
+internal fun simpleMaterial3Theme(themeName: String) : String {
+  return """
+<resources xmlns:tools="http://schemas.android.com/tools">
+  <!-- Base application theme. -->
+  <style name="Base.${themeName}" parent="Theme.Material3.DayNight.NoActionBar">
+    <!-- Customize your light theme here. -->
+    <!-- <item name="colorPrimary">@color/my_light_primary</item> -->
+  </style>
+
+  <style name="$themeName" parent="Base.${themeName}" />
+</resources>
+  """.trim()
+}

templates-impl/src/main/java/com/itsaky/androidide/templates/impl/emptyActivity/emptyActivityTemplate.kt

@@ -17,14 +17,20 @@
 
 package com.itsaky.androidide.templates.impl.emptyActivity
 
+import com.android.aaptcompiler.ConfigDescription
+import com.android.aaptcompiler.android.ResTableConfig
 import com.itsaky.androidide.templates.Language
 import com.itsaky.androidide.templates.ProjectTemplate
 import com.itsaky.androidide.templates.base.AndroidModuleTemplateBuilder
 import com.itsaky.androidide.templates.base.baseProject
+import com.itsaky.androidide.templates.base.modules.android.ManifestActivity
 import com.itsaky.androidide.templates.base.modules.android.defaultAppModule
 import com.itsaky.androidide.templates.base.util.AndroidModuleResManager
 import com.itsaky.androidide.templates.base.util.AndroidModuleResManager.ResourceType.LAYOUT
+import com.itsaky.androidide.templates.base.util.AndroidModuleResManager.ResourceType.VALUES
 import com.itsaky.androidide.templates.base.util.SourceWriter
+import com.itsaky.androidide.templates.impl.base.emptyValuesFile
+import com.itsaky.androidide.templates.impl.base.simpleMaterial3Theme
 
 fun emptyActivityProject(): ProjectTemplate = baseProject {
   defaultAppModule {
@@ -44,103 +50,41 @@ internal fun AndroidModuleTemplateBuilder.writeEmptyActivity(
   resManager: AndroidModuleResManager
 ) {
   resManager.apply {
-    writeXmlResource("activity_main", LAYOUT) {
-      """
-<?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
-  xmlns:app="http://schemas.android.com/apk/res-auto"
-  android:layout_width="match_parent"
-  android:layout_height="match_parent">
-
-  <TextView
-    android:layout_width="wrap_content"
-    android:layout_height="wrap_content"
-    android:text="Hello user!"
-    app:layout_constraintBottom_toBottomOf="parent"
-    app:layout_constraintEnd_toEndOf="parent"
-    app:layout_constraintStart_toStartOf="parent"
-    app:layout_constraintTop_toTopOf="parent" />
-
-</androidx.constraintlayout.widget.ConstraintLayout>
-      """.trim()
+    val configNight = ConfigDescription().apply {
+      uiMode = ResTableConfig.UI_MODE.NIGHT_YES
     }
+
+    // layout/activity_main.xml
+    writeXmlResource("activity_main", LAYOUT, source = ::emptyLayoutSrc)
+
+    // values
+    writeXmlResource("themes", VALUES,
+      source = simpleMaterial3Theme(manifest.themeRes))
+    writeXmlResource("colors", VALUES, source = emptyValuesFile())
+
+    // values-night
+    writeXmlResource("themes", VALUES, config = configNight,
+      source = simpleMaterial3Theme(manifest.themeRes))
+    writeXmlResource("colors", VALUES, config = configNight,
+      source = emptyValuesFile())
   }
 }
 
 internal fun AndroidModuleTemplateBuilder.writeEmptyActivity(
   writer: SourceWriter
 ) {
+  val className = "MainActivity"
   writer.apply {
     if (data.language == Language.Kotlin) {
-      writeKtSrc(data.packageName, "MainActivity",
-        source = this@writeEmptyActivity::emptyActivityKtSrc)
+      writeKtSrc(data.packageName, className,
+        source = ::emptyActivityKtSrc)
     } else {
-      writeJavaSrc(packageName = data.packageName, className = "MainActivity",
-        source = this@writeEmptyActivity::emptyActivityJavaSrc)
+      writeJavaSrc(packageName = data.packageName, className = className,
+        source = ::emptyActivityJavaSrc)
     }
   }
-}
 
-private fun AndroidModuleTemplateBuilder.emptyActivityKtSrc(): String {
-  return """
-package ${data.packageName}
-
-import androidx.appcompat.app.AppCompatActivity
-import android.os.Bundle
-import ${data.packageName}.databinding.ActivityMainBinding
-
-public class MainActivity : AppCompatActivity() {
-
-    private var _binding: ActivityMainBinding? = null
-    
-    private val binding: ActivityMainBinding
-      get() = checkNotNull(_binding) { "Activity has been destroyed" }
-    
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-
-        // Inflate and get instance of binding
-        _binding = ActivityMainBinding.inflate(layoutInflater)
-
-        // set content view to binding's root
-        setContentView(binding.root)
-    }
-    
-    override fun onDestroy() {
-        super.onDestroy()
-        _binding = null
-    }
-}
-"""
-}
-
-private fun AndroidModuleTemplateBuilder.emptyActivityJavaSrc(): String {
-  return """
-package ${data.packageName};
-
-import androidx.appcompat.app.AppCompatActivity;
-import android.os.Bundle;
-import ${data.packageName}.databinding.ActivityMainBinding;
-
-public class MainActivity extends AppCompatActivity {
-    private ActivityMainBinding binding;
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
-        // Inflate and get instance of binding
-        binding = ActivityMainBinding.inflate(getLayoutInflater());
-
-        // set content view to binding's root
-        setContentView(binding.getRoot());
-    }
-    
-    @Override
-    protected void onDestroy() {
-        super.onDestroy();
-        this.binding = null;
-    }
-}
-"""
-}
+  manifest {
+    addActivity(ManifestActivity(name = className, isExported = true, isLauncher = true))
+  }
+}

templates-impl/src/main/java/com/itsaky/androidide/templates/impl/emptyActivity/src.kt

@@ -0,0 +1,103 @@
+/*
+ *  This file is part of AndroidIDE.
+ *
+ *  AndroidIDE is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  AndroidIDE is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *   along with AndroidIDE.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.itsaky.androidide.templates.impl.emptyActivity
+
+import com.itsaky.androidide.templates.base.AndroidModuleTemplateBuilder
+
+internal fun emptyLayoutSrc() = """
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+  xmlns:app="http://schemas.android.com/apk/res-auto"
+  android:layout_width="match_parent"
+  android:layout_height="match_parent">
+
+  <TextView
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:text="Hello user!"
+    app:layout_constraintBottom_toBottomOf="parent"
+    app:layout_constraintEnd_toEndOf="parent"
+    app:layout_constraintStart_toStartOf="parent"
+    app:layout_constraintTop_toTopOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
+      """.trim()
+
+internal fun AndroidModuleTemplateBuilder.emptyActivityKtSrc(): String {
+  return """
+package ${data.packageName}
+
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+import ${data.packageName}.databinding.ActivityMainBinding
+
+public class MainActivity : AppCompatActivity() {
+
+    private var _binding: ActivityMainBinding? = null
+    
+    private val binding: ActivityMainBinding
+      get() = checkNotNull(_binding) { "Activity has been destroyed" }
+    
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        // Inflate and get instance of binding
+        _binding = ActivityMainBinding.inflate(layoutInflater)
+
+        // set content view to binding's root
+        setContentView(binding.root)
+    }
+    
+    override fun onDestroy() {
+        super.onDestroy()
+        _binding = null
+    }
+}
+"""
+}
+
+internal fun AndroidModuleTemplateBuilder.emptyActivityJavaSrc(): String {
+  return """
+package ${data.packageName};
+
+import androidx.appcompat.app.AppCompatActivity;
+import android.os.Bundle;
+import ${data.packageName}.databinding.ActivityMainBinding;
+
+public class MainActivity extends AppCompatActivity {
+    private ActivityMainBinding binding;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        // Inflate and get instance of binding
+        binding = ActivityMainBinding.inflate(getLayoutInflater());
+
+        // set content view to binding's root
+        setContentView(binding.getRoot());
+    }
+    
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        this.binding = null;
+    }
+}
+"""
+}