登录layout

 

注册layout

package com.hanqi.zuoyee;import android.content.Intent;import android.content.SharedPreferences;import android.os.Bundle;import android.support.v7.app.AppCompatActivity;import android.view.View;import android.widget.EditText;import android.widget.Toast;public class cunchu2denglu extends AppCompatActivity {    EditText et1,et2;    String s1,s2;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.cunchu2denglu);        et1=(EditText)findViewById(R.id.et1);        et2=(EditText)findViewById(R.id.et2);    }    public  void b1(View v){        s1=et1.getText().toString();        s2=et2.getText().toString();        if(s1.trim().length()==0){            Toast.makeText(cunchu2denglu.this, "正确输入账号", Toast.LENGTH_SHORT).show();        }        String s11,s22;        SharedPreferences s=getSharedPreferences("zhanghao",MODE_PRIVATE);        s11=s.getString("zhanghao","");        s22=s.getString("mima","");        if(s11.trim().length()==0){            Toast.makeText(cunchu2denglu.this, "请注册账号", Toast.LENGTH_SHORT).show();            return;        }        if(!s11.equals(s1)){            Toast.makeText(cunchu2denglu.this, "请正确输入账号", Toast.LENGTH_SHORT).show();            Toast.makeText(cunchu2denglu.this, s1, Toast.LENGTH_SHORT).show();            return;        }        if(!s2.equals(s22)){            Toast.makeText(cunchu2denglu.this, "请正确输入密码", Toast.LENGTH_SHORT).show();        }        else {            Toast.makeText(cunchu2denglu.this, "登陆成功", Toast.LENGTH_SHORT).show();        }    }    public  void b2(View v){        Intent intent=new Intent(cunchu2denglu.this,cunchu2zhuce.class);       startActivity(intent);    }}

 

登录java

package com.hanqi.zuoyee;import android.content.Intent;import android.content.SharedPreferences;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.view.View;import android.widget.EditText;import android.widget.Toast;public class cunchu2zhuce extends AppCompatActivity {EditText et1,et2,et22;    String s1,s2,s22;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_cunchu2zhuce);        et1=(EditText)findViewById(R.id.et1);        et2=(EditText)findViewById(R.id.et2);        et22=(EditText)findViewById(R.id.et3);    }    public void b1(View v){        Intent intent=new Intent(cunchu2zhuce.this,cunchu2denglu.class);        startActivity(intent);    }    public void b2(View v){        s1=et1.getText().toString();        s2=et2.getText().toString();        s22=et22.getText().toString();        if(s1.trim().length()==0){            Toast.makeText(cunchu2zhuce.this, "请正确输入账号", Toast.LENGTH_SHORT).show();            return;        }        if(s2.trim().length()==0){            Toast.makeText(cunchu2zhuce.this, "请正确输入密码", Toast.LENGTH_SHORT).show();            return;        }        if(!s2.equals(s22)){            Toast.makeText(cunchu2zhuce.this, "两次密码输入不一致", Toast.LENGTH_SHORT).show();            return;        }        SharedPreferences sp=getSharedPreferences("zhanghao",MODE_PRIVATE);        SharedPreferences.Editor e=sp.edit();        e.putString("zhanghao",s1);        e.putString("mima", s2);        e.commit();        Toast.makeText(cunchu2zhuce.this, "注册成功", Toast.LENGTH_SHORT).show();        Intent intent=new Intent(cunchu2zhuce.this,cunchu2denglu.class);        startActivity(intent);    }}

 

注册java