Android prompt box code java language

In Android, you can use the AlertDialog class to create tooltips. The following is a simple Java code example that demonstrates how to create and display a basic tooltip:

import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.os.Bundle;

public class AlertDialogExample {

    // 这个方法用于创建和显示一个简单的提示框
    public void showAlertDialog(Context context, String title, String message) {
        // 创建 AlertDialog.Builder 对象
        AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(context);

        // 设置对话框标题
        alertDialogBuilder.setTitle(title);

        // 设置对话框消息
        alertDialogBuilder.setMessage(message);

        // 设置图标(可选)
        // alertDialogBuilder.setIcon(R.drawable.icon);

        // 设置积极的按钮
        alertDialogBuilder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
            public void onClick(DialogInterface dialog, int which) {
                // 在这里定义“确定”按钮的点击操作
                dialog.dismiss(); // 关闭对话框
            }
        });

        // 设置消极的按钮(可选)
        /*
        alertDialogBuilder.setNegativeButton("取消", new DialogInterface.OnClickListener() {
            public void onClick(DialogInterface dialog, int which) {
                // 在这里定义“取消”按钮的点击操作
                dialog.dismiss(); // 关闭对话框
            }
        });
        */

        // 创建并显示对话框
        AlertDialog alertDialog = alertDialogBuilder.create();
        alertDialog.show();
    }

    // 示例用法
    public static void main(String[] args) {
        // 创建一个示例对象
        AlertDialogExample alertDialogExample = new AlertDialogExample();

        // 获取当前上下文(在Android应用中,通常是一个Activity的上下文)
        // 注意:在Android应用中,请勿在非UI线程中使用上下文
        Context context = null; // 请替换为实际的上下文

        // 调用示例方法显示提示框
        alertDialogExample.showAlertDialog(context, "提示", "这是一个简单的提示框示例。");
    }
}

Please note that in actual Android applications, the above code needs to be used in UI components such as Activity or Fragment. In addition, in order to use R.drawable.icon, you need to add the corresponding icon resources in the res/drawable directory. Finally, make sure to operate UI components in the UI thread to avoid exceptions.

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Origin blog.csdn.net/zdh13370188237/article/details/134595497