本项目是用eclipse软件编写,经过我的亲自实践,其真实有效,希望能给您有所帮助😘😘 项目版本:android5.1.1 AVD建议:android4.4.2及以上 |
BoXueGu图片资源下载(免费):
https://yuyunyaohui.lanzoui.com/iWos0pyc4rc
效果图:
1.创建设置密保和找回密码界面布局文件activity_find_psw.xml
res/layout
文件夹中新建activity_find_psw.xml
文件,代码如下:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:background="@drawable/register_bg" >
<include layout="@layout/main_title_bar"/>
<TextView
android:id="@+id/tv_user_name"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginRight="35dp"
android:layout_marginLeft="35dp"
android:layout_marginTop="35dp"
android:text="@string/TV_user_name"
android:textColor="@android:color/white"
android:textSize="20sp"
android:visibility="gone"/>
<EditText
android:id="@+id/et_user_name"
android:layout_width="match_parent"
android:layout_height="48dp"
android:layout_marginRight="35dp"
android:layout_marginLeft="35dp"
android:layout_marginTop="10dp"
android:background="@drawable/register_psw"
android:hint="@string/et_user_name"
android:paddingLeft="10dp"
android:singleLine="true"
android:textColor="#000000"
android:textColorHint="#a3a3a3"
android:visibility="gone"/>
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginRight="35dp"
android:layout_marginLeft="35dp"
android:layout_marginTop="15dp"
android:text="@string/your_name"
android:textColor="@android:color/white"
android:textSize="20sp"/>
<EditText
android:id="@+id/et_validate_name"
android:layout_width="match_parent"
android:layout_height="48dp"
android:layout_marginRight="35dp"
android:layout_marginLeft="35dp"
android:layout_marginTop="10dp"
android:background="@drawable/register_psw"
android:hint="@string/et_validate_name"
android:paddingLeft="10dp"
android:singleLine="true"
android:textColor="#000000"
android:textColorHint="#a3a3a3"/>
<TextView
android:id="@+id/tv_reset_psw"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginRight="35dp"
android:layout_marginLeft="35dp"
android:layout_marginTop="10dp"
android:layout_gravity="center_vertical"
android:textColor="@android:color/white"
android:textSize="18sp"
android:visibility="gone"/>
<Button
android:id="@+id/btn_validate"
android:layout_width="match_parent"
android:layout_height="40dp"
android:layout_gravity="center_horizontal"
android:layout_marginRight="35dp"
android:layout_marginLeft="35dp"
android:layout_marginTop="15dp"
android:background="@drawable/register_selector"
android:text="@string/btn_validate"
android:textColor="@android:color/white"
android:textSize="20sp"/>
</LinearLayout>
文本信息在values文件夹下的string.xml
文件里面:
<?xml version="1.0" encoding="utf-8"?>
<resources>
<string name="TV_user_name">您的用户名是?</string>
<string name="et_user_name">请输入你的用户名</string>
<string name="your_name">您的姓名是?</string>
<string name="et_validate_name">请输入要验证的姓名</string>
<string name="btn_validate">验证</string>
</resources>
2.设置密保和找回密码界面逻辑代码
china.ynyx.heyunhui.activity
包中,新建一个Activity类,名为FindPswActivity
具体代码:FindPswActivity.java
package china.ynyx.heyunhui.activity;
import android.support.v7.app.AppCompatActivity;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.pm.ActivityInfo;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
import china.ynyx.heyunhui.R;
import china.ynyx.heyunhui.utils.AnalysisUtils;
import china.ynyx.heyunhui.utils.MD5Utils;
public class FindPswActivity extends AppCompatActivity {
private TextView tv_main_title,tv_back,tv_user_name,tv_reset_psw;
private Button btn_validate;
private EditText et_user_name,et_validate_name;
//from为security是从设置密保界面跳转过来的,否则就是从登录界面跳转过来的
private String from;
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_find_psw);
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
from=getIntent().getStringExtra("from");
init();
}
//获取界面控件及处理相应控件的点击事件
private void init() {
// TODO Auto-generated method stub
tv_main_title=(TextView)findViewById(R.id.tv_main_title);
tv_main_title.setText("修改密码");
tv_back=(TextView)findViewById(R.id.tv_back);
et_validate_name=(EditText)findViewById(R.id.et_validate_name);
tv_reset_psw=(TextView)findViewById(R.id.tv_reset_psw);
et_user_name=(EditText)findViewById(R.id.et_user_name);
tv_user_name=(TextView)findViewById(R.id.tv_user_name);
btn_validate=(Button)findViewById(R.id.btn_validate);
//通过from判断当前界面
if("security".equals(from)){
tv_main_title.setText("设置密保");
}else{
tv_main_title.setText("找回密码");
tv_user_name.setVisibility(View.VISIBLE);
et_user_name.setVisibility(View.VISIBLE);
}
tv_back.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
FindPswActivity.this.finish();
}
});
btn_validate.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String validateName=et_validate_name.getText().toString().trim();
//设置密保
if("security".equals(from)){
if(TextUtils.isEmpty(validateName)) {
Toast.makeText(FindPswActivity.this, "请输入要验证的姓名", Toast.LENGTH_SHORT).show();
return;
}else{
Toast.makeText(FindPswActivity.this,"设置密保成功",Toast.LENGTH_SHORT).show();
//保存密保到SharedPreferences中
saveSecurity(validateName);
FindPswActivity.this.finish();
}
}else{//找回密码
String userName=et_user_name.getText().toString().trim();
String sp_security=readSecurity(userName);
if(TextUtils.isEmpty(userName)){
Toast.makeText(FindPswActivity.this,"请输入您的用户名",Toast.LENGTH_SHORT).show();
return;
}else if(!isExistUserName(userName)){
Toast.makeText(FindPswActivity.this,"您输入的用户名不存在",Toast.LENGTH_SHORT).show();
return;
}else if(TextUtils.isEmpty(validateName)) {
Toast.makeText(FindPswActivity.this, "请输入要验证的姓名", Toast.LENGTH_SHORT).show();
return;
}if(!validateName.equals(sp_security)){
Toast.makeText(FindPswActivity.this, "输入的密保不正确", Toast.LENGTH_SHORT).show();
return;
}else {
//输入的密保正确,重新给用户设置一个密码
tv_reset_psw.setVisibility(View.VISIBLE);
tv_reset_psw.setText("初始密码:123456,请返回重新登录");
savePsw(userName);
}
}
}
});
}
//保存初始化密码
private void savePsw(String userName) {
// TODO Auto-generated method stub
String md5Psw = MD5Utils.MD5("123456");
SharedPreferences sp = getSharedPreferences("loginInfo",Context.MODE_PRIVATE);
SharedPreferences.Editor editor =sp.edit();//获取编辑器
editor.putString(userName,md5Psw); //保存新密码
editor.commit();
}
//保存密保到SharedPreferences中
private void saveSecurity(String validateName) {
// TODO Auto-generated method stub
SharedPreferences sp = getSharedPreferences("loginInfo",Context.MODE_PRIVATE);
SharedPreferences.Editor editor =sp.edit(); //获取编辑器
editor.putString(AnalysisUtils.readLoginUserName(this)+"_security",validateName); //保存新密码
editor.commit();
}
//从SharedPreferences中读取密保
private String readSecurity(String userName) {
// TODO Auto-generated method stub
SharedPreferences sp = getSharedPreferences("loginInfo",Context.MODE_PRIVATE);
String security=sp.getString(userName+"_security","");
return security;
}
//从SharedPreferences中根据用户输入的用户名来判断是否有此用户
private boolean isExistUserName(String userName) {
// TODO Auto-generated method stub
boolean hasUserName=false;
SharedPreferences sp = getSharedPreferences("loginInfo",Context.MODE_PRIVATE);
String spPsw=sp.getString(userName,"");
if(!TextUtils.isEmpty(spPsw)){
hasUserName=true;
}
return hasUserName;
}
}
3.功能完善
(1)修改登录界面
由于找回密码界面
是通过登录界面
跳转的,因此需要在LoginActivity.java
文件中的init()
方法,在注释//跳转到找回密码界面(此界面暂时未创建)
下方添加如下代码:
Intent intent=new Intent(LoginActivity.this,FindPswActivity.class);
startActivityForResult(intent, 1);
(2)修改设置界面
由于设置密保界面是通过设置界面跳转的,因此需要在SettingActivity.java
文件中的init()
方法,在注释“//跳转到设置密保界面
”下方添加如下代码:
Intent intent = new Intent(SettingActivity.this,FindPswActivity.class);
intent.putExtra("from","security");
startActivity(intent);
(3)修改AndroidManifest.xml
清单文件
同样的,别忘了在清单文件中注册:
<activity android:name="china.ynyx.heyunhui.activity.FindPswActivity"></activity>
参考资料:《android项目实战——博学谷》(黑马程序员著)