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登录界面

2015-06-09 10:32 288 查看

1 登录界面。
2 记住密码设置
3 自动登录。

package cn.edu.bzu.r2;

import java.util.Timer;

import java.util.TimerTask;
import com.r2.lgoin.R;
import android.app.Activity;

import android.content.Intent;

import android.content.SharedPreferences;

import android.content.SharedPreferences.Editor;

import android.os.Bundle;

import android.text.TextUtils;

import android.view.View;

import android.widget.CheckBox;

import android.widget.EditText;

import android.widget.Toast;
public class MainActivity extends Activity {
private EditText userName;

private EditText password;

private CheckBox   checkBox;

private CheckBox chechBox1;

SharedPreferences sharedPreferences;

Editor editor;

Timer timer;

Intent intent ;
@Override

protected void onCreate(Bundle savedInstanceState) {

  super.onCreate(savedInstanceState);

  setContentView(R.layout.activity_main);

  userName=(EditText) findViewById(R.id.setusername);

  password=(EditText) findViewById(R.id.setpass);

  checkBox=(CheckBox) findViewById(R.id.CBRememberPassword);

  chechBox1=(CheckBox) findViewById(R.id.CBAutmaticLanging);

  //定时跳转Activity

  timer=new Timer();



  //新建文档

        sharedPreferences=getSharedPreferences("loginData", MODE_PRIVATE);



  boolean b=false,d=false;

  //向新建的文档总读取数据

  b=sharedPreferences.getBoolean("cheackBox", false);

  d=sharedPreferences.getBoolean("cheackBox1", false);

  if(b==true&&d==true){

   userName.setText(sharedPreferences.getString("uname", ""));

   password.setText(sharedPreferences.getString("upassword", ""));

   checkBox.setChecked(true);

   chechBox1.setChecked(true);

   tz();





  }else if(b==true&&d==false){

   userName.setText(sharedPreferences.getString("uname", ""));

   password.setText(sharedPreferences.getString("upassword", ""));

   checkBox.setChecked(true);

   chechBox1.setChecked(false);

  }

}

//button的点击事件

public void dj(View view){



  String name=userName.getText().toString();

  String pass=password.getText().toString();



  if(!(TextUtils.isEmpty(name))&&!(TextUtils.isEmpty(pass))){

   if("zhangsan".equals(name)&&"123".equals(pass)){

    editor=sharedPreferences.edit();

    if(checkBox.isChecked()&&chechBox1.isChecked()){

     //向新建的文档中写入数据

     editor.putString("uname", "zhangsan");

     editor.putString("upassword", "123");

     editor.putBoolean("cheackBox", true);

     editor.putBoolean("cheackBox1", true);

    }else if(checkBox.isChecked()&&!(chechBox1.isChecked())){

     editor.putString("uname", "zhangsan");

     editor.putString("upassword", "123");

     editor.putBoolean("cheackBox", true);

     editor.putBoolean("cheackBox1", false);

    }



    else{

     //清楚新建文档中的数据

     editor.clear();

    }

    //执行对新建文档的操作

    editor.commit();

    tz();





   }else{

    Toast.makeText(this, "用户名或密码错误。。", Toast.LENGTH_LONG).show();

   }

  }

}
//Activity跳转

public void tz(){

  intent =new Intent();

  intent.setClass(this, ChengGong.class);

  Toast.makeText(this, "正在登陆。。。", Toast.LENGTH_SHORT).show();

   TimerTask tast=new TimerTask()

    {

     @Override

     public void run(){

    startActivity(intent);

    finish();

     }

    };



    timer.schedule(tast,1000);



}
}

package cn.edu.bzu.r2;
import com.r2.lgoin.R;
import android.os.Bundle;

import android.app.Activity;

import android.content.SharedPreferences;

import android.content.SharedPreferences.Editor;

import android.view.View;

import android.widget.TextView;

import android.widget.Toast;
public class ChengGong extends Activity {
private TextView tv1;

SharedPreferences sharedPreferences;

Editor editor;

@Override

protected void onCreate(Bundle savedInstanceState) {

  super.onCreate(savedInstanceState);

  setContentView(R.layout.activity_cheng_gong);



  tv1=(TextView) findViewById(R.id.tv1);



  sharedPreferences=getSharedPreferences("loginData", MODE_PRIVATE);







  boolean b=sharedPreferences.getBoolean("cheackBox1", false);

  if(b==true){

   tv1.setText("自动登录成功");



  }else{tv1.setText("登录成功");}





}
public void qx(View view){

  editor=sharedPreferences.edit();

  editor.putBoolean("cheackBox1", false);

  editor.commit();

  Toast.makeText(this, "您取消了自动登录", Toast.LENGTH_LONG).show();

}
}

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:id="@+id/LinearLayout1"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:background="@drawable/jianbianse"

    android:orientation="vertical"

    android:paddingBottom="@dimen/activity_vertical_margin"

    android:paddingLeft="@dimen/activity_horizontal_margin"

    android:paddingRight="@dimen/activity_horizontal_margin"

    android:paddingTop="@dimen/activity_vertical_margin"

    tools:context="cn.edu.bzu.r2.MainActivity" >



    <RelativeLayout

       android:id="@+id/rl1"

       android:layout_width="fill_parent"

       android:layout_height="wrap_content"

       android:padding="15dip"

       android:layout_margin="15dip"

       android:background="@drawable/loginshang" >



        <TextView

            android:id="@+id/showusername"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:layout_alignParentTop="true"

            android:layout_marginTop="5dp"

            android:text="@string/showusername"

            style="@style/showusername"/>

        <EditText

            android:id="@+id/setusername"

            android:layout_width="fill_parent"

            android:layout_height="40dp"

            android:hint="@string/userhint"

            android:layout_below="@id/showusername"

            android:singleLine="true"

            android:inputType="text"

            android:background="@drawable/edyuanjiao"

            />

        <TextView

            android:id="@+id/showpass"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:layout_below="@id/setusername"

            android:layout_marginTop="5dp"

            android:text="@string/showpass"

            style="@style/showusername"/>

        <EditText

            android:id="@+id/setpass"

            android:layout_width="fill_parent"

            android:layout_height="40dp"

            android:hint="@string/passhint"

            android:layout_below="@id/showpass"

            android:singleLine="true"

            android:inputType="textPassword"

            android:background="@drawable/edyuanjiao"

            />

        <Button

            android:id="@+id/login"

            android:layout_width="100dp"

            android:layout_height="wrap_content"

            android:text="@string/login"

            android:background="@drawable/btn_login"

            android:layout_below="@+id/CBAutmaticLanging"

            android:padding="5dp"

            android:layout_margin="10dp"

            android:onClick="dj"

            android:layout_alignRight="@+id/setpass"

            style="@style/btn_text"

            />



        <CheckBox

            android:id="@+id/CBRememberPassword"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:text="@string/CBRememberPassword"

            android:layout_below="@+id/setpass"

            android:layout_toLeftOf="@+id/login"

            android:textColor="@android:color/holo_red_dark"

            />

        <CheckBox

            android:id="@+id/CBAutmaticLanging"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:text="@string/CBAutmaticLanging"

            android:layout_below="@+id/setpass"

            android:layout_toRightOf="@+id/CBRememberPassword"

            android:textColor="@android:color/holo_red_dark"

            />

    </RelativeLayout>



     <RelativeLayout

       android:id="@+id/rl2"

       android:layout_width="fill_parent"

       android:layout_height="wrap_content" >

        <TextView

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:layout_alignParentLeft="true"

            android:text="@string/zhuce"

           />

        <ImageView

            android:id="@+id/iv1"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:src="@drawable/tuzi"

            android:layout_alignParentBottom="true"

            android:layout_alignParentRight="true"/>

        <ImageView

            android:layout_width="128dp"

            android:layout_height="128dp"

            android:src="@drawable/font"

            android:layout_alignTop="@+id/iv1"

            android:layout_toLeftOf="@+id/iv1"

            android:layout_marginRight="20dp"/>

    </RelativeLayout>
</LinearLayout>

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:paddingBottom="@dimen/activity_vertical_margin"

    android:paddingLeft="@dimen/activity_horizontal_margin"

    android:paddingRight="@dimen/activity_horizontal_margin"

    android:paddingTop="@dimen/activity_vertical_margin"

    tools:context=".ChengGong" >
    <Button

        android:id="@+id/qx"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_below="@+id/tv1"

        android:layout_centerHorizontal="true"

        android:layout_marginTop="50dp"

        android:onClick="qx"

        android:text="@string/qx" />
    <TextView

        android:id="@+id/tv1"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignParentTop="true"

        android:layout_centerHorizontal="true"

        android:layout_marginTop="104dp"

        android:text="@string/cg" />
</RelativeLayout>

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