本文实例为大家分享了Android登录注册功能的具体代码,供大家参考,具体内容如下
展示效果
代码区
MainActivity(登录方法)
public class MainActivity extends AppCompatActivity {
@BindView(R.id.editText)
EditText editText;
@BindView(R.id.editText2)
EditText editText2;
@BindView(R.id.button)
Button button;
@BindView(R.id.button2)
Button button2;
@BindView(R.id.activity_main)
RelativeLayout activityMain;
public static final String REGEX_PASSWORD = "^[a-zA-Z0-9]{6,16}$";//验证密码是否有特殊符号或长度不满6位
private SQLiteDatabase w;
private SQLiteDatabase r;
private Mysqlist mys;
private List<St mdata;
private String name;
private String pass;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ButterKnife.bind(this);
mys = new Mysqlist(this, "zhu_c", null, 1);//使用halper创建数据库
r=mys.getReadableDatabase();
w=mys.getWritableDatabase();
mdata=new ArrayList<St ();
Cursor query = r.rawQuery("select * from user_mo", null);
while(query.moveToNext()){
int index1 = query.getColumnIndex("name");
int index2 = query.getColumnIndex("pass");
name = query.getString(index1);
pass = query.getString(index2);
mdata.add(new St(0, name, pass));
}
}
@OnClick({R.id.button, R.id.button2})
public void onViewClicked(View view) {
switch (view.getId()) {
case R.id.button:
String name1 = editText.getText().toString().trim();
String pass1 = editText2.getText().toString().trim();
if (name1.equals(name)&&pass1.equals(pass)){
Toast.makeText(this,"登录成功",Toast.LENGTH_SHORT).show();
Intent intent = new Intent(this, UserActivity.class);
startActivity(intent);
}else{
Toast.makeText(this,"账号与密码输入不正确",Toast.LENGTH_SHORT).show();
}
break;
case R.id.button2:
Intent intent1 = new Intent(this, ZhuActivity.class);
startActivity(intent1);
break;
}
}
}
Mysqlist(创建数据库)
public class Mysqlist extends SQLiteOpenHelper {
private String sql="create table if not exists user_mo(_id Integer primary key autoincrement,name varchar(30) not null,pass varchar(50) not null)";
public Mysqlist(Context context, String name, SQLiteDatabase.CursorFactory factory, int version) {
super(context, name, factory, version);
}
@Override
public void onCreate(SQLiteDatabase db) {
db.execSQL(sql);
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
// TODO Auto-generated method stub
}
}
ZhuActivity(注册方法)
public class ZhuActivity extends AppCompatActivity {
@BindView(R.id.editText3)
EditText editText3;
@BindView(R.id.editText4)
EditText editText4;
@BindView(R.id.button3)
Button button3;
@BindView(R.id.activity_zhu)
RelativeLayout activityZhu;
public static final String REGEX_PASSWORD = "^[a-zA-Z0-9]{6,16}$";//验证密码是否有特殊符号或长度不满6位
private SQLiteDatabase sdb;
private Mysqlist mys;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_zhu);
ButterKnife.bind(this);
mys = new Mysqlist(this, "zhu_c", null, 1);//使用halper创建数据库
sdb=mys.getWritableDatabase();
}
@OnClick(R.id.button3)
public void onViewClicked() {
//获得账号密码
String name = editText3.getText().toString().trim();
String pass = editText4.getText().toString().trim();
if (name == null || "".equals(name) || pass == null || "".equals(pass)) {
Toast.makeText(this, "账号与密码不能为空", Toast.LENGTH_SHORT).show();
} else {
String number = editText3.getText().toString();
boolean judge = isMobile(number);
String pa = editText4.getText().toString();
boolean judge1 = isPassword(pa);
if (judge == true && judge1 == true) {
Toast.makeText(this, "注册成功", Toast.LENGTH_SHORT).show();
sdb.execSQL("insert into user_mo(name,pass)values('"+name+"','"+pass+"')");
Intent intent = new Intent(this, MainActivity.class);
startActivity(intent);//启动跳转
} else {
Toast.makeText(this, "手机号码不法与密码不能有特殊符号", Toast.LENGTH_SHORT).show();
}
}
}
/**
* 校验密码
* @param password
* @return 校验通过返回true,否则返回false
*/
public static boolean isPassword(String password) {
return Pattern.matches(REGEX_PASSWORD, password);
}
/**
* 验证手机格式
*/
public static boolean isMobile(String number) {
/*
移动:134、135、136、137、138、139、150、151、157(TD)、158、159、187、188
联通:130、131、132、152、155、156、185、186
电信:133、153、180、189、(1349卫通)
总结起来就是第一位必定为1,第二位必定为3或5或8,其他位置的可以为0-9
*/
String num = "[1][358]\d{9}";//"[1]"代表第1位为数字1,"[358]"代表第二位可以为3、5、8中的一个,"\d{9}"代表后面是可以是0~9的数字,有9位。
if (TextUtils.isEmpty(number)) {
return false;
} else {
//matches():字符串是否在给定的正则表达式匹配
return number.matches(num);
}
}
}
St(工具类)
public class St {
private int id;
private String name;
private String pass;
public St(int id, String name, String pass) {
this.id = id;
this.name = name;
this.pass = pass;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getPass() {
return pass;
}
public void setPass(String pass) {
this.pass = pass;
}
@Override
public String toString() {
return "St{" +
"id=" + id +
", name='" + name + '\'' +
", pass='" + pass + '\'' +
'}';
}
}
activity_zhu(注册布局)
<?xml version="1.0" encoding="utf-8"?
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/activity_zhu"
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="sizu.wxrkaoqianmomi.ZhuActivity"
<EditText
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:inputType="textPersonName"
android:hint="输入手机号"
android:gravity="center"
android:ems="10"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_marginTop="57dp"
android:id="@+id/editText3" /
<EditText
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:inputType="textPersonName"
android:hint="输入密码"
android:gravity="center"
android:ems="10"
android:layout_below="@+id/editText3"
android:layout_alignLeft="@+id/editText3"
android:layout_alignStart="@+id/editText3"
android:layout_marginTop="44dp"
android:id="@+id/editText4" /
<Button
android:text="注册"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/editText4"
android:layout_centerHorizontal="true"
android:layout_marginTop="88dp"
android:id="@+id/button3" /
</RelativeLayout
activity_main(登录布局)
<?xml version="1.0" encoding="utf-8"?
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/activity_main"
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="sizu.wxrkaoqianmomi.MainActivity"
<EditText
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:inputType="textPersonName"
android:hint="输入手机号"
android:gravity="center"
android:ems="10"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_marginTop="33dp"
android:id="@+id/editText" /
<EditText
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:inputType="textPassword"
android:ems="10"
android:hint="输入密码"
android:gravity="center"
android:layout_marginTop="24dp"
android:id="@+id/editText2"
android:layout_below="@+id/editText"
android:layout_alignLeft="@+id/editText"
android:layout_alignStart="@+id/editText" /
<Button
android:text="登录"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/editText2"
android:layout_alignLeft="@+id/editText2"
android:layout_alignStart="@+id/editText2"
android:layout_marginTop="85dp"
android:id="@+id/button" /
<Button
android:text="注册"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignTop="@+id/button"
android:layout_alignRight="@+id/editText2"
android:layout_alignEnd="@+id/editText2"
android:id="@+id/button2" /
</RelativeLayout
谢谢观看,小编祝大家生活愉快!
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