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  • 团队冲刺——第六天

    今天学习了Activity的用法和Activity中使用fragment的方法,然后实战做了一下登陆注册功能。遇到困难在找到控件与保存数据方面不太懂。明天做出来完整登陆注册功能。

    今天所写做对的登陆和注册功能:

    package com.example.a15979.shudong;

    import android.content.Intent;
    import android.os.Bundle;
    import android.support.v7.app.AppCompatActivity;
    import android.util.Log;
    import android.view.View;
    import android.widget.Button;
    import android.widget.EditText;
    import android.widget.Toast;

    import com.example.a15979.shudong.service.UserService;
    import com.example.a15979.shudong.R;

    public class LoginActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);//即activity_login.xml
    findViews();
    }
    private EditText username;
    private EditText password;
    private Button login;
    private Button register;

    private void findViews() {
    username=(EditText) findViewById(R.id.username);
    password=(EditText) findViewById(R.id.password);
    login=(Button) findViewById(R.id.login);
    register=(Button) findViewById(R.id.register);

    login.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View v) {
    String name=username.getText().toString();
    System.out.println(name);
    String pass=password.getText().toString();
    System.out.println(pass);

    Log.i("TAG",name+"_"+pass);
    UserService uService=new UserService(LoginActivity.this);
    boolean flag=uService.login(name, pass);

    if(flag){
    Log.i("TAG","登录成功");
    Toast.makeText(LoginActivity.this, "登录成功", Toast.LENGTH_LONG).show();
    Intent intent = new Intent(LoginActivity.this,RegisterActivity.class);
    startActivity(intent);
    }else{
    Log.i("TAG","登录失败");
    Toast.makeText(LoginActivity.this, "登录失败", Toast.LENGTH_LONG).show();
    }
    }
    });
    register.setOnClickListener(new View.OnClickListener() {
    public void onClick(View v) {
    Intent intent=new Intent(LoginActivity.this,RegisterActivity.class);
    startActivity(intent);
    }
    });
    }
    }


    注册:
    package com.example.a15979.shudong;

    import android.os.Bundle;
    import android.support.v7.app.AppCompatActivity;
    import android.util.Log;
    import android.view.View;
    import android.widget.Button;
    import android.widget.EditText;
    import android.widget.RadioButton;
    import android.widget.RadioGroup;
    import android.widget.Toast;

    import com.example.a15979.shudong.service.UserService;
    import com.example.a15979.shudong.R;

    public class RegisterActivity extends AppCompatActivity {

    EditText username;
    EditText password;
    EditText age;
    RadioGroup sex;
    Button register;
    protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_register);
    findViews();
    register.setOnClickListener(new View.OnClickListener() {
    public void onClick(View v) {
    String name=username.getText().toString().trim();
    String pass=password.getText().toString().trim();

    Log.i("TAG",name+"_"+pass+"_");
    UserService uService=new UserService(RegisterActivity.this);
    User user=new User();
    user.setUsername(name);
    user.setPassword(pass);

    uService.register(user);
    Toast.makeText(RegisterActivity.this, "注册成功", Toast.LENGTH_LONG).show();
    }
    });
    }
    private void findViews() {
    username=(EditText) findViewById(R.id.usernameRegister);
    password=(EditText) findViewById(R.id.passwordRegister);

    register=(Button) findViewById(R.id.Register);
    }

    }
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  • 原文地址:https://www.cnblogs.com/hang-hang/p/12756058.html
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