Android开发学习安卓注册完善表单判断跳转

activity_main注册页面

MainActivity注册界面Java

package com.example.myapplication;
import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.content.SharedPreferences;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.RadioButton;
import android.widget.Spinner;
import android.widget.Toast;

public class MainActivity extends Activity {
    EditText usename,usepwd,usepwd2;
    Button submit;
    RadioButton r1,r2;
    SharedPreferences sp;
    Spinner spn;
    String[] Item;
    String edu;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        usename = (EditText) this.findViewById(R.id.usename);			//用户名编辑框
        usepwd = (EditText) this.findViewById(R.id.usepwd);				//设置初始密码编辑框
        usepwd2 = (EditText) this.findViewById(R.id.usepwd2);			//二次输入密码编辑框
        submit =  (Button) this.findViewById(R.id.submit);				//注册按钮
        sp = this.getSharedPreferences("userinfo", this.MODE_PRIVATE);	//将用户注册的信息录入到SharedPreferences中进行存储
        r1 = (RadioButton) this.findViewById(R.id.boy);					//单选按钮男孩选项
        r2 = (RadioButton) this.findViewById(R.id.girl);				//单选按钮女孩选项
        spn = (Spinner) findViewById(R.id.spinner1);					//学历下拉列表

        Item = getResources().getStringArray(R.array.choices);         //获取提前在string.xml文件中定义好的学历下拉列表选项

        ArrayAdapter adapter = new ArrayAdapter(this, android.R.layout.simple_spinner_item, Item);

        spn.setAdapter(adapter);

        spn.setOnItemSelectedListener(new OnItemSelectedListener() {

            @Override
            public void onItemSelected(AdapterView parent, View view, int position, long id) {
                edu = Item[position];   //将选中的学历赋给edu
                //下面是我检验选择是否起作用的验证
//				Toast.makeText(IndexActivity.this, "你点击的是:"+edu, 2000).show();
            }

            @Override
            public void onNothingSelected(AdapterView parent) {
                // TODO Auto-generated method stub

            }
        });

        // 下面的代码是xml方式



        submit.setOnClickListener(new View.OnClickListener() {			//按键响应

            @Override
            public void onClick(View v) {
                String name = usename.getText().toString();				//用户名
                String pwd01 = usepwd.getText().toString();				//密码
                String pwd02 = usepwd2.getText().toString();			//二次输入的密码
                String sex = "";										//性别
                SharedPreferences.Editor editor = sp.edit();			//sp的编辑对象editor，通过它进行数据的存取
                if(name.equals("")&&pwd01.equals("")&&pwd02.equals("")&&sex.equals("")){
                    Toast.makeText(MainActivity.this, "请将表单填写完整", Toast.LENGTH_LONG).show();
                }
               else if(name .equals("")){
                    Toast.makeText(MainActivity.this, "用户名不能为空", Toast.LENGTH_LONG).show();
                }
                else if(pwd01.equals("") || pwd02.equals("")){
                    Toast.makeText(MainActivity.this, "请将密码填写完整！", Toast.LENGTH_LONG).show();
                }
                else if (pwd01.equals(pwd02)) {                                //判断两次输入的密码是否一致，若一致则继续，不一致则提醒密码不一致

                        if (r1.isChecked()) {                                //判断选中的性别，并赋给sex
                            sex = "男";
                        }
                        if (r2.isChecked()) {
                            sex = "女";
                        }
                        editor.putString("username", name);
                        editor.putString("password", pwd01);
                        editor.putString("sex", sex);
                        editor.putString("education", edu);                    //将用户的注册信息存储进SharedPreferences对象
                        editor.commit();                                    //提交
//					Toast.makeText(IndexActivity.this, "用户名"+name+"密码"+pwd01+"性别"+sex+"学历"+edu, Toast.LENGTH_LONG).show();
                        Toast.makeText(MainActivity.this, "注册成功！", Toast.LENGTH_LONG).show();        //提示注册成功的信息
                        Intent intent = new Intent(MainActivity.this, Main2Activity.class);            //跳转到ShowInfoactivity
                        startActivity(intent);

                    }
                    else
                        {
                        Toast.makeText(MainActivity.this, "密码不一致！", Toast.LENGTH_LONG).show();			//提示密码不一致
                    }
                }
                

        });
    }


}

activity_main2跳转页面

Main2Activity跳转显示页面Java

package com.example.myapplication;

import android.os.Bundle;



import android.app.Activity;
import android.content.SharedPreferences;
import android.view.Menu;
import android.widget.EditText;
import android.widget.TextView;

public class Main2Activity extends Activity {
    TextView showname,showpwd,showsex,showedu;
    SharedPreferences sp;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main2);
        showname = (TextView) this.findViewById(R.id.showname);		//用户名显示文本框
        showpwd = (TextView) this.findViewById(R.id.showpwd);		//密码显示文本框
        showsex = (TextView) this.findViewById(R.id.showsex);		//性别显示文本框
        showedu = (TextView) this.findViewById(R.id.showedu);		//学历显示文本框
        sp = this.getSharedPreferences("userinfo", this.MODE_PRIVATE);	//接收用户信息

        String name = sp.getString("username", "");
        String pwd = sp.getString("password", "");
        String sex = sp.getString("sex", "");
        String edu = sp.getString("education", "");					//将用户的注册信息取出并赋值给对应的变量

        showname.setText("用户名:tt"+name);
        showpwd.setText("密码:tt"+pwd);
        showsex.setText("性别:tt"+sex);
        showedu.setText("学历:tt"+edu);								//设置显示文本框的内容和格式
    }


}

string.xml

    Adwork
    Settings
    Hello world!
    用户名:
    密 码:
    确认密码:
    性 别:
    学 历:
    注册
    男
    女

    
        小学
        初中 
        高中
        大学
        大学以上
    

    ShowInfoActivity