Revert plugin use in gallery (#9838)

* Revert "add Podfile (#9835)"

This reverts commit 74e65675.

* Revert "update ref to url_launcher plugin in Flutter Gallery (#9833)"

This reverts commit 30c49781.

* Revert "Use url_launcher plugin in Flutter Gallery (#9751)"

This reverts commit 02dfd6be.

examples/flutter_gallery/android/app/src/main/java/io/flutter/examples/gallery/MainActivity.java

 package io.flutter.examples.gallery;
 
 import android.os.Bundle;
-
 import io.flutter.app.FlutterActivity;
 import io.flutter.plugins.PluginRegistry;
 

examples/flutter_gallery/android/app/src/main/java/io/flutter/plugins/PluginRegistry.java

@@ -2,16 +2,13 @@ package io.flutter.plugins;
 
 import io.flutter.app.FlutterActivity;
 
-import io.flutter.plugins.url_launcher.UrlLauncherPlugin;
 
 /**
  * Generated file. Do not edit.
  */
 
 public class PluginRegistry {
-    public UrlLauncherPlugin url_launcher;
 
     public void registerAll(FlutterActivity activity) {
-        url_launcher = UrlLauncherPlugin.register(activity);
     }
 }

examples/flutter_gallery/flutter_gallery.iml

@@ -7,8 +7,6 @@
       <excludeFolder url="file://$MODULE_DIR$/.pub" />
       <excludeFolder url="file://$MODULE_DIR$/build" />
       <excludeFolder url="file://$MODULE_DIR$/packages" />
-      <excludeFolder url="file://$MODULE_DIR$/test/calculator/packages" />
-      <excludeFolder url="file://$MODULE_DIR$/test/packages" />
     </content>
     <orderEntry type="sourceFolder" forTests="false" />
     <orderEntry type="library" name="Dart Packages" level="project" />

examples/flutter_gallery/ios/Podfile

-# Uncomment this line to define a global platform for your project
-# platform :ios, '9.0'
-
-if ENV['FLUTTER_FRAMEWORK_DIR'] == nil
-  abort('Please set FLUTTER_FRAMEWORK_DIR to the directory containing Flutter.framework')
-end
-
-target 'Runner' do
-  use_frameworks!
-
-  # Pods for Runner
-
-  # Flutter Pods
-  pod 'Flutter', :path => ENV['FLUTTER_FRAMEWORK_DIR']
-
-  if File.exists? '../.flutter-plugins'
-    flutter_root = File.expand_path('..')
-    File.foreach('../.flutter-plugins') { |line|
-      plugin = line.split(pattern='=')
-      if plugin.length == 2
-        name = plugin[0].strip()
-        path = plugin[1].strip()
-        resolved_path = File.expand_path("#{path}/ios", flutter_root)
-        pod name, :path => resolved_path
-      else
-        puts "Invalid plugin specification: #{line}"
-      end
-    }
-  end
-end
-
-post_install do |installer|
-  installer.pods_project.targets.each do |target|
-    target.build_configurations.each do |config|
-      config.build_settings['ENABLE_BITCODE'] = 'NO'
-    end
-  end
-end

examples/flutter_gallery/ios/Runner/PluginRegistry.h

@@ -7,11 +7,9 @@
 
 #import <Flutter/Flutter.h>
 
-#import "UrlLauncherPlugin.h"
 
 @interface PluginRegistry : NSObject
 
-@property (readonly, nonatomic) UrlLauncherPlugin *url_launcher;
 
 - (instancetype)initWithController:(FlutterViewController *)controller;
 

examples/flutter_gallery/ios/Runner/PluginRegistry.m

@@ -8,7 +8,6 @@
 
 - (instancetype)initWithController:(FlutterViewController *)controller {
   if (self = [super init]) {
-    _url_launcher = [[UrlLauncherPlugin alloc] initWithController:controller];
   }
   return self;
 }

examples/flutter_gallery/lib/gallery/drawer.dart

@@ -7,15 +7,14 @@ import 'dart:math' as math;
 import 'package:flutter/foundation.dart' show defaultTargetPlatform, required;
 import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
-
-import 'package:url_launcher/url_launcher.dart';
+import 'package:flutter/services.dart';
 
 class LinkTextSpan extends TextSpan {
   LinkTextSpan({ TextStyle style, String url, String text }) : super(
     style: style,
     text: text ?? url,
     recognizer: new TapGestureRecognizer()..onTap = () {
-      launch(url);
+      UrlLauncher.launch(url);
     }
   );
 }
@@ -204,7 +203,7 @@ class GalleryDrawer extends StatelessWidget {
       leading: const Icon(Icons.report),
       title: const Text('Send feedback'),
       onTap: onSendFeedback ?? () {
-        launch('https://github.com/flutter/flutter/issues/new');
+        UrlLauncher.launch('https://github.com/flutter/flutter/issues/new');
       },
     );
 

examples/flutter_gallery/pubspec.yaml

@@ -6,7 +6,6 @@ dependencies:
 
   flutter:
     sdk: flutter
-  url_launcher: ^0.3.3
 
   # Also update dev/benchmarks/complex_layout/pubspec.yaml
   flutter_gallery_assets: