perf: remove Gradle task check on run-android (#2144) (#2145)

* remove gradle task check on run-android

* add loader and README note

* throw error when no tasks found

Co-authored-by: Tomasz Misiukiewicz <TMisiukiewicz@users.noreply.github.com>

Author: thymikee

packages/cli-platform-android/README.md

@@ -95,6 +95,14 @@ Build native libraries only for the current device architecture for debug builds
 
 List all available Android devices and simulators and let you choose one to run the app.
 
+
+#### `--interactive`
+
+Manually select a task and device/simulator you want to run your app on.
+
+> [!WARNING]  
+> This flag is running `./gradlew tasks` under the hood, which might take some time for more complex apps. If that affects your project, consider using `--mode` and `--deviceId` flags instead.
+
 ### `build-android`
 
 Usage:

packages/cli-platform-android/src/commands/buildAndroid/index.ts

@@ -92,7 +92,6 @@ async function buildAndroid(
     args.mode || args.variant,
     tasks,
     'bundle',
-    androidProject.sourceDir,
   );
 
   if (args.extraParams) {

packages/cli-platform-android/src/commands/runAndroid/getTaskNames.ts

@@ -1,47 +1,15 @@
 import {toPascalCase} from './toPascalCase';
 import type {BuildFlags} from '../buildAndroid';
-import {getGradleTasks} from './listAndroidTasks';
-import {CLIError, logger} from '@react-native-community/cli-tools';
 
 export function getTaskNames(
   appName: string,
   mode: BuildFlags['mode'] = 'debug',
   tasks: BuildFlags['tasks'],
   taskPrefix: 'assemble' | 'install' | 'bundle',
-  sourceDir: string,
 ): Array<string> {
-  let appTasks =
+  const appTasks =
     tasks && tasks.length ? tasks : [taskPrefix + toPascalCase(mode)];
 
-  // Check against build flavors for "install" task ("assemble" don't care about it so much and will build all)
-  if (!tasks?.length && taskPrefix === 'install') {
-    const actionableInstallTasks = getGradleTasks('install', sourceDir);
-    if (!actionableInstallTasks.find((t) => t.task.includes(appTasks[0]))) {
-      const installTasksForMode = actionableInstallTasks.filter((t) =>
-        t.task.toLowerCase().includes(mode),
-      );
-      if (!installTasksForMode.length) {
-        throw new CLIError(
-          `Couldn't find "${appTasks
-            .map((taskName) => taskName.replace(taskPrefix, ''))
-            .join(
-              ', ',
-            )}" build variant. Available variants are: ${actionableInstallTasks
-            .map((t) => `"${t.task.replace(taskPrefix, '')}"`)
-            .join(', ')}.`,
-        );
-      }
-      logger.warn(
-        `Found multiple tasks for "install" command: ${installTasksForMode
-          .map((t) => t.task)
-          .join(', ')}.\nSelecting first available: ${
-          installTasksForMode[0].task
-        }.`,
-      );
-      appTasks = [installTasksForMode[0].task];
-    }
-  }
-
   return appName
     ? appTasks.map((command) => `${appName}:${command}`)
     : appTasks;

packages/cli-platform-android/src/commands/runAndroid/index.ts

@@ -191,7 +191,6 @@ function runOnSpecificDevice(
         args.mode || args.variant,
         args.tasks ?? buildTask,
         'install',
-        androidProject.sourceDir,
       );
 
       // using '-x lint' in order to ignore linting errors while building the apk

packages/cli-platform-android/src/commands/runAndroid/listAndroidTasks.ts

@@ -1,4 +1,4 @@
-import {CLIError} from '@react-native-community/cli-tools';
+import {CLIError, getLoader} from '@react-native-community/cli-tools';
 import chalk from 'chalk';
 import execa from 'execa';
 import prompts from 'prompts';
@@ -32,12 +32,19 @@ export const getGradleTasks = (
   taskType: 'install' | 'build',
   sourceDir: string,
 ) => {
+  const loader = getLoader();
+  loader.start('Searching for available Gradle tasks...');
   const cmd = process.platform.startsWith('win') ? 'gradlew.bat' : './gradlew';
-
-  const out = execa.sync(cmd, ['tasks', '--group', taskType], {
-    cwd: sourceDir,
-  }).stdout;
-  return parseTasksFromGradleFile(taskType, out);
+  try {
+    const out = execa.sync(cmd, ['tasks', '--group', taskType], {
+      cwd: sourceDir,
+    }).stdout;
+    loader.succeed();
+    return parseTasksFromGradleFile(taskType, out);
+  } catch {
+    loader.fail();
+    return [];
+  }
 };
 
 export const promptForTaskSelection = async (

packages/cli-platform-android/src/commands/runAndroid/runOnAllDevices.ts

@@ -59,7 +59,6 @@ async function runOnAllDevices(
         args.mode || args.variant,
         args.tasks,
         'install',
-        androidProject.sourceDir,
       );
 
       if (args.extraParams) {