package com.example.musicwork; import androidx.appcompat.app.AppCompatActivity; import android.app.AlertDialog; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.TextView; import android.widget.Toast; import com.example.musicwork.chuangguan.GameActivity; public class SignIn extends AppCompatActivity { public static String author_name; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_login); Button signin = (Button) findViewById(R.id.signin); final Data data = (Data)getApplication(); signin.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { final String name = ((EditText) findViewById(R.id.etname)).getText().toString(); String password = ((EditText) findViewById(R.id.etpassword)).getText().toString(); if (com.example.musicwork.chuangguan.UserService.signIn(name, password)) runOnUiThread(new Runnable() { @Override public void run() { data.setUsername(name); author_name=name; Toast.makeText(SignIn.this, "登录成功", Toast.LENGTH_SHORT).show(); Intent intent = new Intent(SignIn.this, MainActivity.class); startActivity(intent); } }); else { runOnUiThread(new Runnable() { @Override public void run() { Toast.makeText(SignIn.this, "登录失败,请检查用户名和密码是否正确。未注册账户请注册后登录", Toast.LENGTH_SHORT).show(); } }); } } }); Button signup = (Button) findViewById(R.id.signup); signup.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { String name = ((EditText) findViewById(R.id.etname)).getText().toString(); String password = ((EditText) findViewById(R.id.etpassword)).getText().toString(); if (com.example.musicwork.chuangguan.UserService.signUp(name, password)) runOnUiThread(new Runnable() { @Override public void run() { Toast.makeText(SignIn.this, "注册成功,请重新登录", Toast.LENGTH_SHORT).show(); } }); else { runOnUiThread(new Runnable() { @Override public void run() { Toast.makeText(SignIn.this, "注册失败", Toast.LENGTH_SHORT).show(); } }); } } }); } }