package com.example.wang.myapplication;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.widget.EditText;
public class ZuoyeActivity5
extends AppCompatActivity {
EditText user_name;
EditText user_password;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_zuoye5);
user_name=
(EditText)findViewById(R.id.user_name);
user_password=
(EditText)findViewById(R.id.user_password);
SharedPreferences sharedPreferences1 =getSharedPreferences("cunchu"
,MODE_APPEND);
String string = sharedPreferences1.getString("用户名", "未添加"
);
Log.e("TAG","string="+
string);
user_name.setText(string);
}
public void bt1_OnClick(View v)
{
String username=
user_name.getText().toString();
String userpassword=
user_password.getText().toString();
SharedPreferences sharedPreferences=getSharedPreferences("cunchu"
, MODE_APPEND);
SharedPreferences.Editor editor=
sharedPreferences.edit();
editor.putString("用户名"
,username);
editor.putString("用户密码"
, userpassword);
editor.commit();
Log.e("TAG","username="+
username);
Log.e("TAG", "userpassword="+
userpassword);
}
public void bt2_OnClick(View v)
{
finish();
}
}
java
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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="com.example.wang.myapplication.ZuoyeActivity5"
android:orientation="vertical">
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="用户名"
android:id="@+id/user_name"/>
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="密码"
android:inputType="numberPassword"
android:id="@+id/user_password"/>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<Button
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="登陆"
android:onClick="bt1_OnClick"/>
<Button
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="关闭"
android:onClick="bt2_OnClick"/>
</LinearLayout>
</LinearLayout>
xml
转载于:https://www.cnblogs.com/wangchuanqi/p/5520641.html
