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@najeira

najeira/AppDelegate.swift

Last active Jul 11, 2020
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Flutter with platform
import UIKit
import Flutter
@UIApplicationMain
@objc class AppDelegate: FlutterAppDelegate, MyViewDelegate {
var flutterViewController: FlutterViewController?
var flutterResult: FlutterResult?
override func application(
_ application: UIApplication,
didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
) -> Bool {
let fvc : FlutterViewController = window?.rootViewController as! FlutterViewController
let channel = FlutterMethodChannel(name: "my channel", binaryMessenger: fvc.binaryMessenger)
channel.setMethodCallHandler(self.handle)
flutterViewController = fvc
let nav = UINavigationController.init(rootViewController: fvc)
nav.isNavigationBarHidden = true
window.rootViewController = nav
GeneratedPluginRegistrant.register(with: self)
return super.application(application, didFinishLaunchingWithOptions: launchOptions)
}
func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) -> Void {
switch call.method {
case "hello":
result("iOS!")
case "text":
flutterResult = result
let mvc = MyViewController()
mvc.delegate = self
let nav = window?.rootViewController as! UINavigationController
nav.present(mvc, animated: true, completion: nil)
default:
result(FlutterMethodNotImplemented)
}
}
func textDidEdit(_ text: String) {
flutterResult?(text)
flutterResult = nil
}
override func registrar(forPlugin: String) -> FlutterPluginRegistrar {
return (self.flutterViewController?.registrar(forPlugin: forPlugin))!
}
override func hasPlugin(_ pluginKey: String) -> Bool {
return (self.flutterViewController?.hasPlugin(pluginKey))!
}
override func valuePublished(byPlugin pluginKey: String) -> NSObject {
return (self.flutterViewController?.valuePublished(byPlugin: pluginKey))!
}
}
protocol MyViewDelegate {
func textDidEdit(_ text: String)
}
class MyViewController: UIViewController, UITextViewDelegate {
var delegate: MyViewDelegate?
let editText = UITextView.init(frame: .zero)
let submitButton = UIButton.init(frame: .zero)
override func viewDidLoad() {
self.view.backgroundColor = .white
editText.font = UIFont.systemFont(ofSize: 16.0)
editText.frame = CGRect(x: 8.0, y: 48.0, width: self.view.frame.width - 16.0, height: 200.0)
editText.delegate = self
editText.keyboardType = .default
editText.returnKeyType = .default
editText.backgroundColor = .white
submitButton.setTitle("OK", for: .normal)
submitButton.frame = CGRect(x: 8.0, y: 208.0, width: self.view.frame.width - 16.0, height: 40.0)
submitButton.addTarget(self, action: #selector(self.submitButtonDidTouch(sender:)), for: .touchUpInside)
submitButton.backgroundColor = .systemBlue
self.view.addSubview(editText)
self.view.addSubview(submitButton)
}
@objc func submitButtonDidTouch(sender: UIButton) {
editText.resignFirstResponder()
delegate?.textDidEdit(editText.text)
if let nav = self.navigationController {
nav.dismiss(animated: true)
} else {
self.dismiss(animated: true, completion: nil)
}
}
}
import 'dart:io';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
const channel = MethodChannel('my channel');
void main() {
//runApp(MyApp());
runApp(MyApp2());
//runApp(MyApp3());
}
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
home: Scaffold(
appBar: AppBar(),
body: Center(
child: FutureBuilder<String>(
future: channel.invokeMethod<String>('hello'),
builder: (BuildContext context, AsyncSnapshot<String> snapshot) {
return Text(snapshot.data ?? '...');
},
),
),
),
);
}
}
class MyApp2 extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
home: Scaffold(
appBar: AppBar(),
body: FutureBuilder<String>(
future: channel.invokeMethod<String>('text'),
builder: (BuildContext context, AsyncSnapshot<String> snapshot) {
return Text(snapshot.data ?? '...');
},
),
),
);
}
}
package com.example.myapp;
import android.content.Intent;
import androidx.annotation.NonNull;
import io.flutter.embedding.android.FlutterActivity;
import io.flutter.embedding.engine.FlutterEngine;
import io.flutter.plugin.common.MethodCall;
import io.flutter.plugin.common.MethodChannel;
public class MainActivity extends FlutterActivity implements MethodChannel.MethodCallHandler {
static private final int REQUEST_CODE = 0xf1677e4;
private MethodChannel.Result mResult;
@Override
public void configureFlutterEngine(@NonNull FlutterEngine flutterEngine) {
super.configureFlutterEngine(flutterEngine);
MethodChannel channel = new MethodChannel(flutterEngine.getDartExecutor().getBinaryMessenger(), "my channel");
channel.setMethodCallHandler(this);
}
@Override
public void onMethodCall(@NonNull MethodCall call, @NonNull MethodChannel.Result result) {
switch (call.method) {
case "hello":
result.success("Android!");
break;
case "text":
mResult = result;
Intent intent = new Intent(this, MyActivity.class);
startActivityForResult(intent, REQUEST_CODE);
break;
default:
result.notImplemented();
break;
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == REQUEST_CODE) {
if (resultCode == RESULT_OK) {
mResult.success(data.getStringExtra("data"));
} else {
mResult.success("cancel");
}
mResult = null;
} else {
super.onActivityResult(requestCode, resultCode, data);
}
}
}
package com.example.myapp;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.LinearLayout;
public class MyActivity extends Activity implements View.OnClickListener {
private EditText editText;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
LinearLayout layout = new LinearLayout(this);
layout.setOrientation(LinearLayout.VERTICAL);
editText = new EditText(this);
layout.addView(editText, new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.MATCH_PARENT,
500
));
Button btn = new Button(this);
btn.setText("OK");
btn.setOnClickListener(this);
layout.addView(btn, new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.MATCH_PARENT,
LinearLayout.LayoutParams.WRAP_CONTENT
));
setContentView(layout);
}
@Override
public void onClick(View view) {
final Intent intent = new Intent();
intent.putExtra("data", editText.getText().toString());
setResult(RESULT_OK, intent);
finish();
}
}
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