Added EditorActivityLifecyclerObserver

app/build.gradle

@@ -14,6 +14,12 @@ android {
         
         multiDexEnabled true
         vectorDrawables.useSupportLibrary = true
+    
+        javaCompileOptions {
+            annotationProcessorOptions {
+                arguments = [ eventBusIndex : 'com.itsaky.androidide.events.AndroidIDEEventBusIndex' ]
+            }
+        }
     }
     
     compileOptions {
@@ -87,6 +93,7 @@ dependencies {
     
     // Annotation processors
     annotationProcessor common.glide_ap
+    annotationProcessor common.eventbus_ap
     
     implementation common.editor
     implementation common.utilcode

app/src/main/java/com/itsaky/androidide/EditorActivity.java

@@ -87,7 +87,6 @@ import com.itsaky.androidide.fragments.SimpleOutputFragment;
 import com.itsaky.androidide.fragments.sheets.ProgressSheet;
 import com.itsaky.androidide.fragments.sheets.TextSheetFragment;
 import com.itsaky.androidide.handlers.EditorEventListener;
-import com.itsaky.androidide.handlers.FileTreeActionHandler;
 import com.itsaky.androidide.interfaces.DiagnosticClickListener;
 import com.itsaky.androidide.interfaces.EditorActivityProvider;
 import com.itsaky.androidide.lsp.IDELanguageClientImpl;
@@ -102,7 +101,6 @@ import com.itsaky.androidide.models.LogLine;
 import com.itsaky.androidide.models.Range;
 import com.itsaky.androidide.models.SaveResult;
 import com.itsaky.androidide.models.SearchResult;
-import com.itsaky.androidide.projects.FileManager;
 import com.itsaky.androidide.projects.ProjectManager;
 import com.itsaky.androidide.projects.api.Project;
 import com.itsaky.androidide.services.GradleBuildService;
@@ -110,12 +108,10 @@ import com.itsaky.androidide.services.LogReceiver;
 import com.itsaky.androidide.shell.ShellServer;
 import com.itsaky.androidide.tooling.api.messages.result.SimpleVariantData;
 import com.itsaky.androidide.tooling.api.messages.result.TaskExecutionResult;
-import com.itsaky.androidide.utils.BootClasspathProvider;
 import com.itsaky.androidide.utils.CharSequenceInputStream;
 import com.itsaky.androidide.utils.DialogUtils;
 import com.itsaky.androidide.utils.EditorActivityActions;
 import com.itsaky.androidide.utils.EditorBottomSheetBehavior;
-import com.itsaky.androidide.utils.Environment;
 import com.itsaky.androidide.utils.ILogger;
 import com.itsaky.androidide.utils.LSPUtils;
 import com.itsaky.androidide.utils.RecursiveFileSearcher;
@@ -164,7 +160,6 @@ public class EditorActivity extends StudioActivity
   private static final int ACTION_ID_ALL = 102;
   private static final ILogger LOG = ILogger.newInstance("EditorActivity");
   private final EditorEventListener mBuildEventListener = new EditorEventListener();
-  private final FileTreeActionHandler mFileActionsHandler = new FileTreeActionHandler();
   private ActivityEditorBinding mBinding;
   private LayoutDiagnosticInfoBinding mDiagnosticInfoBinding;
   private EditorBottomSheetTabAdapter bottomSheetTabAdapter;
@@ -1127,27 +1122,6 @@ public class EditorActivity extends StudioActivity
     }
   }
 
-  @Override
-  protected void onStart() {
-    super.onStart();
-
-    // Make sure we list and store the bootstrap classes
-    CompletableFuture.runAsync(
-        () ->
-            BootClasspathProvider.update(
-                Collections.singleton(Environment.ANDROID_JAR.getAbsolutePath())));
-
-    mFileActionsHandler.register();
-    FileManager.INSTANCE.register();
-  }
-
-  @Override
-  protected void onStop() {
-    super.onStop();
-    mFileActionsHandler.unregister();
-    FileManager.INSTANCE.unregister();
-  }
-
   @Override
   protected void onDestroy() {
     closeProject(false);

app/src/main/java/com/itsaky/androidide/app/StudioApp.java

@@ -24,6 +24,7 @@ import androidx.annotation.NonNull;
 import com.blankj.utilcode.util.ThrowableUtils;
 import com.itsaky.androidide.CrashHandlerActivity;
 import com.itsaky.androidide.R;
+import com.itsaky.androidide.eventbus.events.Event;
 import com.itsaky.androidide.projects.ProjectResourceTable;
 import com.itsaky.androidide.utils.ILogger;
 import com.itsaky.apiinfo.ApiInfo;
@@ -38,6 +39,8 @@ import com.itsaky.androidide.lsp.xml.XMLLanguageServer;
 import com.itsaky.sdk.SDKInfo;
 import com.itsaky.widgets.WidgetInfo;
 
+import org.greenrobot.eventbus.EventBus;
+
 import java.io.File;
 import java.util.Objects;
 import java.util.Set;
@@ -62,6 +65,7 @@ public class StudioApp extends BaseApplication {
     this.uncaughtExceptionHandler = Thread.getDefaultUncaughtExceptionHandler();
     Thread.setDefaultUncaughtExceptionHandler(this::handleCrash);
     super.onCreate();
+
     getApiInformation();
   }
 

app/src/main/java/com/itsaky/androidide/handlers/EditorActivityLifecyclerObserver.kt

@@ -0,0 +1,83 @@
+/*
+ *  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.handlers
+
+import androidx.lifecycle.DefaultLifecycleObserver
+import androidx.lifecycle.LifecycleOwner
+import com.itsaky.androidide.EditorActivity
+import com.itsaky.androidide.eventbus.events.Event
+import com.itsaky.androidide.eventbus.events.EventReceiver
+import com.itsaky.androidide.eventbus.events.editor.OnCreateEvent
+import com.itsaky.androidide.eventbus.events.editor.OnDestroyEvent
+import com.itsaky.androidide.eventbus.events.editor.OnPauseEvent
+import com.itsaky.androidide.eventbus.events.editor.OnResumeEvent
+import com.itsaky.androidide.eventbus.events.editor.OnStartEvent
+import com.itsaky.androidide.eventbus.events.editor.OnStopEvent
+import com.itsaky.androidide.projects.FileManager
+import com.itsaky.androidide.projects.ProjectManager
+import com.itsaky.androidide.utils.BootClasspathProvider
+import java.util.concurrent.*
+
+/**
+ * Observes lifecycle events if [com.itsaky.androidide.EditorActivity].
+ *
+ * @author Akash Yadav
+ */
+class EditorActivityLifecyclerObserver : DefaultLifecycleObserver {
+
+  private val fileActionsHandler = FileTreeActionHandler()
+  
+  override fun onCreate(owner: LifecycleOwner) {
+    dispatchEvent(OnCreateEvent())
+  }
+  
+  override fun onStart(owner: LifecycleOwner) {
+    CompletableFuture.runAsync(BootClasspathProvider::init)
+    register(fileActionsHandler, FileManager, ProjectManager)
+    
+    dispatchEvent(OnStartEvent())
+  }
+  
+  override fun onResume(owner: LifecycleOwner) {
+    dispatchEvent(OnResumeEvent())
+  }
+  
+  override fun onPause(owner: LifecycleOwner) {
+    dispatchEvent(OnPauseEvent())
+  }
+
+  override fun onStop(owner: LifecycleOwner) {
+    unregister(fileActionsHandler, FileManager, ProjectManager)
+  
+    dispatchEvent(OnStopEvent())
+  }
+  
+  override fun onDestroy(owner: LifecycleOwner) {
+    dispatchEvent(OnDestroyEvent())
+  }
+
+  private fun register(vararg receivers: EventReceiver) {
+    receivers.forEach { it.register() }
+  }
+
+  private fun unregister(vararg receivers: EventReceiver) {
+    receivers.forEach { it.unregister() }
+  }
+
+  private fun dispatchEvent(event: Event) {}
+}

build-tools/eventbus-events/src/main/java/com/itsaky/androidide/eventbus/events/editor/ActivityLifecycleEvents.kt

@@ -0,0 +1,64 @@
+/*
+ *  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.eventbus.events.editor
+
+import com.itsaky.androidide.eventbus.events.Event
+
+abstract class EditorActivityLifecycleEvent : Event()
+
+/**
+ * Dispatched just after `EditorActivity`'s `onCreate` method.
+ *
+ * @author Akash Yadav
+ */
+class OnCreateEvent : EditorActivityLifecycleEvent()
+
+/**
+ * Dispatched just after `EditorActivity`'s `onStart` method.
+ *
+ * @author Akash Yadav
+ */
+class OnStartEvent : EditorActivityLifecycleEvent()
+
+/**
+ * Dispatched just after `EditorActivity`'s `onResume` method.
+ *
+ * @author Akash Yadav
+ */
+class OnResumeEvent : EditorActivityLifecycleEvent()
+
+/**
+ * Dispatched just before `EditorActivity`'s `onPause` method.
+ *
+ * @author Akash Yadav
+ */
+class OnPauseEvent : EditorActivityLifecycleEvent()
+
+/**
+ * Dispatched just before `EditorActivity`'s `onStop` method.
+ *
+ * @author Akash Yadav
+ */
+class OnStopEvent : EditorActivityLifecycleEvent()
+
+/**
+ * Dispatched just before `EditorActivity`'s `onDestroy` method.
+ *
+ * @author Akash Yadav
+ */
+class OnDestroyEvent : EditorActivityLifecycleEvent()

build-tools/eventbus/src/main/java/org/greenrobot/eventbus/meta/SubscriberInfoIndex.java

@@ -15,9 +15,7 @@
  */
 package org.greenrobot.eventbus.meta;
 
-/**
- * Interface for generated indexes.
- */
+/** Interface for generated indexes. */
 public interface SubscriberInfoIndex {
-    SubscriberInfo getSubscriberInfo(Class<?> subscriberClass);
+  SubscriberInfo getSubscriberInfo(Class<?> subscriberClass);
 }

build.gradle

@@ -47,60 +47,69 @@ subprojects {
     
     project.afterEvaluate {
         tasks.register ("checkTranslations", task -> {
-            def php = new File ("/usr/bin/php")
-            if (!php.exists ()) {
-                project.logger.lifecycle ("'${php.absolutePath}' not found. Skipping translation check.")
-                return
-            }
-            
-            def resDir = project.file ("src/main/res")
-            def strings = new File (resDir, "values/strings.xml")
-            def reportDir = new File (project.rootProject.buildDir, "translation-reports")
-            reportDir.delete ()
-            
-            if (resDir.exists () && strings.exists ()) {
-                def translationDirs = resDir.listFiles ((FileFilter) (file -> {
-                    return file.isDirectory () && file.getName ().startsWith ("values-")
-                }))
-                for (def dir : translationDirs) {
-                    final var translation = new File (dir, "strings.xml")
-                    if (translation.exists ()) {
-                        def out = new File (reportDir, "${project.path.replace (':', '/')}/${dir.name}.txt")
-                        if (!out.parentFile.exists ()) {
-                            out.parentFile.mkdirs ()
-                        }
-                        
-                        if (out.exists ()) {
-                            out.delete ()
-                        }
-                        out.createNewFile ()
-                        
-                        def result = exec {
-                            ignoreExitValue true
-                            standardOutput new FileOutputStream (out)
-                            commandLine "${php.absolutePath}",
-                                    "${project.rootProject.file (".tools/strings-check.php")}",
-                                    "${strings.absolutePath}",
-                                    "${translation.absolutePath}"
-                        }
-                        
-                        if (result.getExitValue () == 0) {
-                            out.delete ()
-                        } else {
-                            project.logger.lifecycle ("Translation report for '${project.path}/${dir.name}' is written to '${out.absolutePath}'")
-                        }
-                        
-                    } else {
-                        project.logger.info ("No translation file specifed for '${dir.name}'. Skipping..")
-                    }
-                }
-            } else {
-                project.logger.info ("Default strings.xml file does not exist for project '${project.name}'")
+            doLast {
+                checkTranslations (project)
             }
         })
     }
 }
 
+private void checkTranslations (def project) {
+    def php = new File ("/usr/bin/php")
+    if (!php.exists ()) {
+        project.logger.lifecycle ("'${php.absolutePath}' not found. Skipping translation check.")
+        return
+    }
+    
+    def resDir = project.file ("src/main/res")
+    def strings = new File (resDir, "values/strings.xml")
+    def reportDir = new File (project.rootProject.buildDir, "translation-reports")
+    reportDir.delete ()
+    
+    if (!resDir.exists () || !strings.exists ()) {
+        project.logger.info ("Default strings.xml file does not exist for project '${project.name}'")
+        return
+    }
+    
+    def translationDirs = resDir.listFiles ((FileFilter) (file -> {
+        return file.isDirectory () && file.getName ().startsWith ("values-")
+    }))
+    
+    for (def dir : translationDirs) {
+        final var translation = new File (dir, "strings.xml")
+        if (!translation.exists ()) {
+            project.logger.info ("No translation file specifed for '${dir.name}'. Skipping..")
+            return
+        }
+        
+        def out = new File (reportDir, "${project.path.replace (':', '/')}/${dir.name}.txt")
+        if (!out.parentFile.exists ()) {
+            out.parentFile.mkdirs ()
+        }
+        
+        if (out.exists ()) {
+            out.delete ()
+        }
+        
+        out.createNewFile ()
+        
+        def result = exec {
+            ignoreExitValue true
+            standardOutput new FileOutputStream (out)
+            commandLine "${php.absolutePath}",
+                    "${project.rootProject.file (".tools/strings-check.php")}",
+                    "${strings.absolutePath}",
+                    "${translation.absolutePath}"
+        }
+        
+        if (result.getExitValue () == 0) {
+            out.delete ()
+        } else {
+            project.logger.lifecycle ("Translation report for '${project.path}/${dir.name}' is written to '${out.absolutePath}'")
+        }
+    }
+}
+
 allprojects {
     
     tasks.withType (org.jetbrains.kotlin.gradle.tasks.KotlinCompile).all {

common/src/main/java/com/itsaky/androidide/utils/BootClasspathProvider.java

@@ -35,6 +35,11 @@ public class BootClasspathProvider {
   private static final Map<String, ClassTrie> bootClasspathClasses = new ConcurrentHashMap<>();
   private static final ILogger LOG = ILogger.newInstance("BootClassProvider");
 
+  /** Initializes the classpath provider with the default boot classpath. */
+  public static synchronized void init() {
+    update(Collections.singleton(Environment.ANDROID_JAR.getAbsolutePath()));
+  }
+
   /**
    * Updates the boot classpath cache. If a classpath is already indexed, it is skipped.
    *

dependencies.gradle

@@ -23,7 +23,8 @@ ext {
             lang3      : 'org.apache.commons:commons-lang3:3.12.0',
             io         : 'commons-io:commons-io:2.11.0',
             kotlin     : 'org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.7.0',
-            jkotlin    : 'org.jetbrains.kotlin:kotlin-stdlib-jdk8'
+            jkotlin    : 'org.jetbrains.kotlin:kotlin-stdlib-jdk8',
+            eventbus_ap: 'org.greenrobot:eventbus-annotation-processor:3.3.1'
     ]
     
     androidx = [