安卓员⼯管理系统app（源码）员⼯管理系统、
数据库
部分源码
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="schemas.android/apk/res/android"
package="amplepany">
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".SearchActivity"></activity>
<activity android:name=".GuanliActivity" />
<activity android:name=".GloginActivity" />
<activity android:name=".RegisterActivity" />
<activity android:name=".IntroductionActivity" />
<activity android:name=".NewsActivity" />
<activity android:name=".FirstActivity" />
<activity android:name=".LoginActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
员⼯界⾯
amplepany;
import androidx.appcompat.app.AppCompatActivity;
t.Intent;
t.SharedPreferences;
import android.database.Cursor;
import android.database.SQLException;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.os.Bundle;
format.Time;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.ListView;
import android.widget.SimpleCursorAdapter;简易安卓app开发
import android.widget.TextView;
import android.widget.Toast;
public class FirstActivity extends AppCompatActivity {
private Cursor cursor;
@Override
public void onDestroy(){
cursor.close();
}
//定义共享优先数据及基础字段⽤于签到功能实现
private String MY_RMBCost ="MY_RMBCost";
private String TodayTime ="TodayTime";
@Override
protected void onCreate(Bundle savedInstanceState){
setContentView(R.layout.activity_first);
//--------------------------------------------------------------登录
Button btnlongin = findViewById(R.id.login);
btnlongin.setOnClickListener(new View.OnClickListener(){
@Override
public void onClick(View v){
Intent intent = new Intent(FirstActivity.this,LoginActivity.class);
startActivity(intent);
}
});
//-------------------------------------------------------------签到
final Button bt_qiandao =(Button)findViewById(R.id.bt_qiandao);
final TextView tv_time =(TextView)findViewById(R.id.tv_qiandaotime);
SharedPreferences my_rmb_data = getSharedPreferences(MY_RMBCost, 0);//读取共享数据
Time t = new Time();
t.setToNow();
int lastmonth = t.month + 1 ;
final String str =  t.year + "年" + lastmonth + "⽉" + t.monthDay + "⽇";
final String nowtime =my_String(TodayTime, "").toString();
if(nowtime.equals(str)==true)
{
tv_time.setText("⽇期："+ nowtime +"已签到！");
bt_qiandao.setBackgroundResource(R.drawable.yqd);
bt_qiandao.setText("✔签到");
}
else
{
tv_time.setText("⽇期："+ str);
bt_qiandao.setBackgroundResource(R.drawable.qd);
}
//签到功能
bt_qiandao.setOnClickListener(new View.OnClickListener(){
public void onClick(View v){
/
/ TODO Auto-generated method stub
SharedPreferences my_rmb_data = getSharedPreferences(MY_RMBCost, 0);
if(my_String(TodayTime, "").toString().equals(str)==true)
{
Toast.makeText(FirstActivity.this , "今⽇已签到！", Toast.LENGTH_SHORT).show();
}
else
{
my_rmb_data.edit()
.putString(TodayTime, str)
mit();
tv_time.setText("⽇期："+ str +"已签到！");
bt_qiandao.setBackgroundResource(R.drawable.yqd);
bt_qiandao.setText("✔签到");

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