如何通过通知通知Android应用程序的用户Google Play商店中有新版本可用

import android.app.NotificationChannel;
import android.app.NotificationManager;
import android.content.Context;
import android.os.Build;
import android.util.Log;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;

public class UpdateChecker {
    private static final String TAG = "UpdateChecker";
    private static final String UPDATE_URL = "https://yourserver.com/update.json"; // 替换为你的更新检查URL
    private static final String CHANNEL_ID = "update_channel";
    private static final int NOTIFICATION_ID = 1;

    public static void checkForUpdates(Context context) {
        new Thread(() -> {
            try {
                URL url = new URL(UPDATE_URL);
                HttpURLConnection connection = (HttpURLConnection) url.openConnection();
                connection.setRequestMethod("GET");
                BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
                StringBuilder result = new StringBuilder();
                String line;
                while ((line = reader.readLine()) != null) {
                    result.append(line);
                }
                reader.close();
                connection.disconnect();

                // 解析JSON获取最新版本号
                String latestVersion = parseLatestVersion(result.toString());

                // 比较版本号
                if (isUpdateAvailable(latestVersion)) {
                    sendNotification(context);
                }
            } catch (Exception e) {
                Log.e(TAG, "Error checking for updates", e);
            }
        }).start();
    }

    private static String parseLatestVersion(String json) {
        // 解析JSON获取最新版本号
        // 这里假设JSON格式为 {"version": "1.2.3"}
        return json.split(":")[1].replace("\"", "").replace("}", "").trim();
    }

    private static boolean isUpdateAvailable(String latestVersion) {
        // 比较当前版本号和最新版本号
        String currentVersion = context.getPackageManager().getPackageInfo(context.getPackageName(), 0).versionName;
        return !currentVersion.equals(latestVersion);
    }

    private static void sendNotification(Context context) {
        NotificationManager notificationManager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
            NotificationChannel channel = new NotificationChannel(CHANNEL_ID, "Update Channel", NotificationManager.IMPORTANCE_HIGH);
            notificationManager.createNotificationChannel(channel);
        }

        NotificationCompat.Builder builder = new NotificationCompat.Builder(context, CHANNEL_ID)
                .setSmallIcon(R.drawable.ic_notification)
                .setContentTitle("New Update Available")
                .setContentText("A new version of the app is available. Click to update.")
                .setPriority(NotificationCompat.PRIORITY_HIGH)
                .setAutoCancel(true);

        notificationManager.notify(NOTIFICATION_ID, builder.build());
    }
}