java实现简单注册选择所在城市

本文实例为大家分享了java实现简单注册选择所在城市的全部代码，供大家参考，具体内容如下

1.activity_main.xml    

2.register.xml 

3. MainActivity.java    

package com.example.ejcker_llin.myapplication;
 
import android.app.Activity;
import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.EditText;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.Spinner;
import android.widget.Toast;
 
public class MainActivity extends Activity {
 private Button submit;
 private String sex1;
 private String city;
 final int code=0x717;
 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);
  submit= (Button) findViewById(R.id.submit);
 
  submit.setonClickListener(new View.onClickListener() {
   @Override
   public void onClick(View v) {
    String user=((EditText)findViewById(R.id.user)).getText().toString();
    String pwd=((EditText)findViewById(R.id.pwd)).getText().toString();
    String repwd=((EditText)findViewById(R.id.repwd)).getText().toString();
    String email=((EditText)findViewById(R.id.email)).getText().toString();
    RadioGroup sex= (RadioGroup) findViewById(R.id.sex);
    for(int i=0;i parent, View view, int position, long id) {
      city=parent.getItemAtPosition(position).toString();
     }
 
     @Override
     public void onNothingSelected(AdapterView parent) {
 
     }
    });
    if(!"".equals(user)&&!"".equals(pwd)&&!"".equals(email)){
     if(!pwd.equals(repwd)){
      Toast.makeText(MainActivity.this,"两次输入的密码不一致，请重新输入！",Toast.LENGTH_LONG).show();
      ((EditText) findViewById(R.id.pwd)).setText("");
      ((EditText) findViewById(R.id.repwd)).setText("");
      ((EditText) findViewById(R.id.pwd)).requestFocus();
     }else {
      Intent intent=new Intent(MainActivity.this,RegisterAcivity.class);
      Bundle bundle=new Bundle();
      bundle.putCharSequence("user",user);
      bundle.putCharSequence("sex",sex1);
      bundle.putCharSequence("city",city);
      bundle.putCharSequence("pwd",pwd);
      bundle.putCharSequence("email",email);
      intent.putExtras(bundle);
      //startActivity(intent);
      startActivityForResult(intent,code);
     }
    }else {
     Toast.makeText(MainActivity.this,"请将注册信息输入完整！",Toast.LENGTH_LONG).show();
    }
   }
  });
 }
}

4. RegisterAcivity.java  

package com.example.ejcker_llin.myapplication;
 
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
 

public class RegisterAcivity extends Activity{
 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.register);
  final Intent intent=getIntent();
  Bundle bundle=intent.getExtras();
  TextView user= (TextView) findViewById(R.id.user);
  user.setText("用户名："+bundle.getString("user"));
  TextView sex= (TextView) findViewById(R.id.sex);
  sex.setText("性别："+bundle.getString("sex"));
  TextView city= (TextView) findViewById(R.id.city);
  city.setText("城市："+bundle.getString("city"));
  TextView pwd= (TextView) findViewById(R.id.pwd);
  pwd.setText("密码："+bundle.getString("pwd"));
  TextView email= (TextView) findViewById(R.id.email);
  email.setText("E-mail："+bundle.getString("email"));
  Button button= (Button) findViewById(R.id.back);
  button.setonClickListener(new View.onClickListener() {
   @Override
   public void onClick(View v) {
    setResult(0x717,intent);
    finish();
 
   }
  });
 }
}

5.

6.

7. arrays.xml

 
  北京
  上海
  广州
  杭州
  天津
  香港
  重庆
  西安
  其他
 

以上就是本文的全部内容，希望对大家的学习有所帮助。