2024.3.21

第十三天

所花时间：2小时

代码量：400+

博客量：1

了解到的知识点：课程添加程序，接上学期，但是这次要搞Android端的，所以在昨天的课上写了一部分，今天写了一部分

package com.hui.kechengtianjia;

import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

import androidx.appcompat.app.AppCompatActivity;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        Button signin = (Button) findViewById(R.id.signin);
        signin.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                String classname = ((EditText) findViewById(R.id.etclass)).getText().toString();
                String teacher = ((EditText) findViewById(R.id.etteacher)).getText().toString();
                String place = ((EditText) findViewById(R.id.etplace)).getText().toString();
                if (UserService.signIn(classname, teacher,place))
                    runOnUiThread(new Runnable() {
                        @Override
                        public void run() {
                            Toast.makeText(MainActivity.this, "登录成功", Toast.LENGTH_SHORT).show();
                        }
                    });
                else {
                    runOnUiThread(new Runnable() {
                        @Override
                        public void run() {
                            Toast.makeText(MainActivity.this, "登录失败", Toast.LENGTH_SHORT).show();
                        }
                    });
                }
            }
        });


        Button signup = (Button) findViewById(R.id.signup);
        signup.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                String classname = ((EditText) findViewById(R.id.etclass)).getText().toString();
                String teacher = ((EditText) findViewById(R.id.etteacher)).getText().toString();
                String place = ((EditText) findViewById(R.id.etplace)).getText().toString();
                if (UserService.signUp(classname, teacher,place))
                    runOnUiThread(new Runnable() {
                        @Override
                        public void run() {
                            Toast.makeText(MainActivity.this, "添加成功", Toast.LENGTH_SHORT).show();
                        }
                    });
                else {
                    runOnUiThread(new Runnable() {
                        @Override
                        public void run() {
                            Toast.makeText(MainActivity.this, "添加失败", Toast.LENGTH_SHORT).show();
                        }
                    });
                }
            }
        });
    }
}