Android签到功能的实现
16lz
2021-01-23
import android.app.Activity;import android.content.Intent;import android.content.SharedPreferences;import android.os.Bundle;import android.text.format.Time;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.TextView;import android.widget.Toast;public class myrmbmanage extends Activity { //定义共享优先数据及基础字段 private String MY_RMBCost ="MY_RMBCost"; private String TodayTime ="TodayTime"; public void onCreate(Bundle savedInstanceState ){ super.onCreate(savedInstanceState); setContentView(R.layout.myrmbmanage); final Button bt_qiandao = (Button)findViewById(R.id.bt_qiandao); final TextView tv_time = (TextView)findViewById(R.id.tv_qiandaotime); //读取共享数据 SharedPreferences my_rmb_data = getSharedPreferences(MY_RMBCost, 0); 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_rmb_data.getString(TodayTime, "").toString(); if(nowtime.equals(str)==true) { tv_time.setText("日期："+ nowtime +"已签到！"); bt_qiandao.setBackgroundResource(R.drawable.yqd); } else { tv_time.setText("日期："+ str); bt_qiandao.setBackgroundResource(R.drawable.qd); } //签到功能 bt_qiandao.setOnClickListener(new OnClickListener() { public void onClick(View v) { // TODO Auto-generated method stub SharedPreferences my_rmb_data = getSharedPreferences(MY_RMBCost, 0); if(my_rmb_data.getString(TodayTime, "").toString().equals(str)==true) { Toast.makeText( myrmbmanage.this , "今日已签到！", Toast.LENGTH_SHORT).show(); } else { my_rmb_data.edit() .putString(TodayTime, str) .commit(); tv_time.setText("日期："+ str +"已签到！"); bt_qiandao.setBackgroundResource(R.drawable.yqd); Toast.makeText( myrmbmanage.this , "签到成功！", Toast.LENGTH_SHORT).show(); } } }); }}更多相关文章
- Android图形系统（八）-app与SurfaceFlinger共享UI元数据过程
- android 开发-数据存储之文件存储
- 打造android ORM框架opendroid(四)——优雅的删除数据
- Android之ORMLite实现数据持久化的简单使用
- android访问远程数据库
- Android 使用ORMLite打造万能泛型Dao简化数据持久化层
- Android数据推送实现方案