第一次迭代的感想

Posted 2020-09-16 32张梦霞

分配任务看了一下，是注册任务的实现功能，这个任务对于开发软件来说都是基础，但还是需要程序大量编辑实现。需要跳转等功能。我看了设计XML的实现，界面如下：

 

 

 

界面设计很简洁明了，代码实现主要就是注册后的跳转代码如下：

........

import android.content.ContentValues;
import android.content.Intent;
import android.database.sqlite.SQLiteDatabase;
import android.drm.DrmStore;
import android.net.Uri;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.Toast;

import com.edg.foodie.R;
import com.edg.foodie.dao.DatabaseHelper;

public class RegistActivity extends AppCompatActivity {

    EditText username;
    EditText passwd;
    EditText confim;
    EditText phone;
    CheckBox check;
    boolean validation;
    private Button dJzhuceBtn;


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

        username = (EditText) findViewById(R.id.username);
        passwd = (EditText) findViewById(R.id.passwd);
        confim = (EditText) findViewById(R.id.passwdconfim);
        phone = (EditText) findViewById(R.id.phone);
        check = (CheckBox) findViewById(R.id.checkbox);
        dJzhuceBtn = (Button)findViewById(R.id.DJzhuceBtn);
        dJzhuceBtn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                finish();
                Toast.makeText(RegistActivity.this,"恭喜您注册成功",Toast.LENGTH_LONG).show();
            }
        });


        findViewById(R.id.backbtn).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                startActivity(new Intent(RegistActivity.this, LoginActivity.class));
            }
        });

        findViewById(R.id.resetbtn).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                username.setText("");
                passwd.setText("");
                confim.setText("");
                phone.setText("");
                check.setChecked(false);
            }
        });

        //检测账户是否为8位
        username.setOnFocusChangeListener(new View.OnFocusChangeListener() {
            @Override
            public void onFocusChange(View v, boolean hasFocus) {

                if (!hasFocus) {
                    if (username.getText().toString().length() < 8) {
                        Toast.makeText(RegistActivity.this, "账号至少8位有效字符", Toast.LENGTH_SHORT).show();
                    }
                }
            }
        });

        //密码检测
        passwd.setOnFocusChangeListener(new View.OnFocusChangeListener() {
            @Override
            public void onFocusChange(View v, boolean hasFocus) {
                if (!hasFocus)
                {
                    if( passwd.getText().toString().length() < 6)
                    {
                        Toast.makeText(RegistActivity.this, "密码至少为6位有效字符", Toast.LENGTH_SHORT).show();
                    }
                }
            }
        });

        //两次密码对比
        confim.setOnFocusChangeListener(new View.OnFocusChangeListener() {
            @Override
            public void onFocusChange(View v, boolean hasFocus) {
                if (!hasFocus)
                {
                    if(!confim.getText().toString().trim().equals(passwd.getText().toString().trim()))
                    {
                        Toast.makeText(RegistActivity.this, "两次输入密码不一致", Toast.LENGTH_SHORT).show();
                    }
                }
            }
        });

        phone.setOnFocusChangeListener(new View.OnFocusChangeListener() {
            @Override
            public void onFocusChange(View v, boolean hasFocus) {
                if (!hasFocus)
                {
                    if (phone.getText().toString().trim().length()!=11)
                    {
                        Toast.makeText(RegistActivity.this, "手机格式不正确", Toast.LENGTH_SHORT).show();
                    }
                }
            }
        });

        findViewById(R.id.DJzhuceBtn).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent i = getIntent();

                //判断账户密码
                if (TextUtils.isEmpty(username.getText().toString())||
                        TextUtils.isEmpty(passwd.getText().toString()))
                {
                    Toast.makeText(RegistActivity.this, "用户名或密码不能为空", Toast.LENGTH_SHORT).show();
                    return;
                }
                else if (username.getText().toString().trim().length()<8||
                        passwd.getText().toString().trim().length()<6)
                {
                    Toast.makeText(RegistActivity.this, "用户名或密码格式不正确", Toast.LENGTH_SHORT).show();
                    return;
                }

                if(!confim.getText().toString().trim().equals(passwd.getText().toString().trim()))
                {
                    Toast.makeText(RegistActivity.this, "两次输入密码不一致", Toast.LENGTH_SHORT).show();
                    return;
                }

                //判断手机号码
                if (TextUtils.isEmpty(phone.getText().toString()))
                {
                    Toast.makeText(RegistActivity.this, "请输入手机号码", Toast.LENGTH_SHORT).show();
                    return;
                }else if (phone.getText().toString().trim().length()!=11)
                {
                    Toast.makeText(RegistActivity.this, "请输入正确的手机号码", Toast.LENGTH_SHORT).show();
                    return;
                }

                if (!check.isChecked())
                {
                    Toast.makeText(RegistActivity.this, "对不起，您未接受用户使用协议。我们无法为您提供服务", Toast.LENGTH_SHORT).show();
                    return;
                }


                //{这里写数据库处理}
                DatabaseHelper dbHelper = new DatabaseHelper(RegistActivity.this,"user_db");

                SQLiteDatabase db = dbHelper.getWritableDatabase();

                ContentValues values = new ContentValues();
                values.put("username",username.getText().toString());
                values.put("passwd",passwd.getText().toString());
                values.put("phone",phone.getText().toString());
                db.insert("user", null, values);


                Bundle data = new Bundle();
                data.putString("username", username.getText().toString());
                i.putExtras(data);
                setResult(1, i);
                finish();
                Toast.makeText(RegistActivity.this,"注册成功",Toast.LENGTH_SHORT).show();
            }
        });


    }

}

......

 

在编译过程中其实很多东西都不能一下子延续下去，查阅之前的代码并且和同学合作才把它给完成了，所有的事情经过认真努力一定有相应的成功。