flutter调用用kotlin编写自动生成检查是否已拥有桌面快捷方式和生成APP桌面快捷方式代码按照以上要求请提供完整代码以及导入包

// Kotlin代码 package com.example.shortcutexample

import android.content.Context import android.content.Intent import android.content.pm.PackageManager import android.content.pm.ResolveInfo import android.graphics.Bitmap import android.graphics.Canvas import android.graphics.drawable.BitmapDrawable import android.graphics.drawable.Drawable import androidx.core.content.ContextCompat

class ShortcutHelper {

companion object {

    private const val SHORTCUT_ID = "com.example.shortcutexample.SHORTCUT_ID"

    fun hasShortcut(context: Context): Boolean {
        val contentResolver = context.contentResolver
        val uri = getUri(context)

        var hasShortcut = false
        val cursor = contentResolver.query(uri, null, null, null, null)
        cursor?.let {
            hasShortcut = cursor.count > 0
            cursor.close()
        }

        return hasShortcut
    }

    fun addShortcut(context: Context) {
        val intent = Intent(context, MainActivity::class.java)
        intent.action = Intent.ACTION_MAIN

        val shortcutIntent = Intent()
        shortcutIntent.putExtra(Intent.EXTRA_SHORTCUT_INTENT, intent)
        shortcutIntent.putExtra(Intent.EXTRA_SHORTCUT_NAME, "My Shortcut")
        shortcutIntent.putExtra(Intent.EXTRA_SHORTCUT_ICON, getShortcutIcon(context))
        shortcutIntent.putExtra("duplicate", false)

        shortcutIntent.action = "com.android.launcher.action.INSTALL_SHORTCUT"

        context.sendBroadcast(shortcutIntent)
    }

    private fun getUri(context: Context) =
        if (android.os.Build.VERSION.SDK_INT < 8) {
            val uri = "content://com.android.launcher.settings/favorites?notify=true"
            Uri.parse(uri)
        } else {
            val uri = "content://com.android.launcher2.settings/favorites?notify=true"
            Uri.parse(uri)
        }

    private fun getShortcutIcon(context: Context): Bitmap {
        val drawable: Drawable? = ContextCompat.getDrawable(context, R.mipmap.ic_launcher)

        drawable?.let {
            val bitmap = Bitmap.createBitmap(
                drawable.intrinsicWidth,
                drawable.intrinsicHeight,
                Bitmap.Config.ARGB_8888
            )

            val canvas = Canvas(bitmap)
            drawable.setBounds(0, 0, canvas.width, canvas.height)
            drawable.draw(canvas)

            return bitmap
        }

        throw IllegalArgumentException("Unable to get shortcut icon")
    }
}

}

// Flutter调用代码

import 'package:flutter/material.dart'; import 'package:flutter/services.dart';

const platform = const MethodChannel('com.example.shortcutexample/shortcut');

class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { return MaterialApp( title: 'Flutter Demo', home: Scaffold( appBar: AppBar( title: Text('Flutter Shortcut Example'), ), body: Center( child: Column( mainAxisAlignment: MainAxisAlignment.center, children: [ RaisedButton( child: Text('Add Shortcut'), onPressed: () { _addShortcut(); }, ), SizedBox(height: 16), FutureBuilder( future: _hasShortcut(), builder: (BuildContext context, AsyncSnapshot snapshot) { if (snapshot.connectionState == ConnectionState.waiting) { return CircularProgressIndicator(); }

              if (snapshot.hasData) {
                return Text(
                  'Has Shortcut: ${snapshot.data}',
                  style: TextStyle(fontSize: 18),
                );
              }

              return Text(
                'Unable to get shortcut status',
                style: TextStyle(fontSize: 18),
              );
            },
          ),
        ],
      ),
    ),
  ),
);

}

Future _hasShortcut() async { try { final bool hasShortcut = await platform.invokeMethod('hasShortcut'); return hasShortcut; } on PlatformException catch (e) { print(e); return false; } }

void _addShortcut() async { try { await platform.invokeMethod('addShortcut'); } on PlatformException catch (e) { print(e); } } }

// 导入包 import android.net.Uri;

// Flutter调用代码 import 'package:flutter/material.dart'; import 'package:flutter/services.dart';

const platform = const MethodChannel('com.example.shortcutexample/shortcut');

class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { return MaterialApp( title: 'Flutter Demo', home: Scaffold( appBar: AppBar( title: Text('Flutter Shortcut Example'), ), body: Center( child: Column( mainAxisAlignment: MainAxisAlignment.center, children: [ RaisedButton( child: Text('Add Shortcut'), onPressed: () { _addShortcut(); }, ), SizedBox(height: 16), FutureBuilder( future: _hasShortcut(), builder: (BuildContext context, AsyncSnapshot snapshot) { if (snapshot.connectionState == ConnectionState.waiting) { return CircularProgressIndicator(); }

              if (snapshot.hasData) {
                return Text(
                  'Has Shortcut: ${snapshot.data}',
                  style: TextStyle(fontSize: 18),
                );
              }

              return Text(
                'Unable to get shortcut status',
                style: TextStyle(fontSize: 18),
              );
            },
          ),
        ],
      ),
    ),
  ),
);

}

Future _hasShortcut() async { try { final bool hasShortcut = await platform.invokeMethod('hasShortcut'); return hasShortcut; } on PlatformException catch (e) { print(e); return false; } }

void _addShortcut() async { try { await platform.invokeMethod('addShortcut'); } on PlatformException catch (e) { print(e); } }