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  • 关于安卓开始实现最简单地获取系统时间

     1 package lianxi;
     2 
     3 import com.example.jichu_lianxi.R;
     4 
     5 import android.app.Activity; 
     6 
     7 import android.os.Bundle; 
     8 
     9 import android.text.format.Time; 
    10 
    11 import android.widget.TextView; 
    12 import android.widget.Toast;
    13 
    14 public class GetTime extends Activity { 
    15 
    16 /** Called when the activity is first created. */ 
    17 
    18 @Override 
    19 
    20 public void onCreate(Bundle savedInstanceState) { 
    21 
    22 super.onCreate(savedInstanceState); 
    23 
    24 setContentView(R.layout.gettime); 
    25 
    26 TextView myTextView = (TextView)findViewById(R.id.getTime); 
    27 Time time = new Time("GMT+8"); 
    28 time.setToNow(); 
    29 int year = time.year;           //获取年份
    30 int month = time.month;         //获取月份
    31 int day = time.monthDay;        //获取日号
    32 int hour = time.hour;           //获取小时,注意,这里的小时是24制的
    33 int minute = time.minute;       //获取分钟
    34 int sec = time.second;          //获取秒
    35 String time_s = "当前时间为:" + year + "" + month + "" + day + "" + hour + "" + minute + "" + sec + ""; 
    36 Toast.makeText(GetTime.this,time_s, Toast.LENGTH_SHORT).show();
    37 
    38 
    39 } 
    40 
    41 } 

    第二种方法:

    package lianxi;
    
    import com.example.jichu_lianxi.R;
    
    import android.app.Activity; 
    
    import android.os.Bundle; 
    
    import android.text.format.Time; 
    
    import android.widget.TextView; 
    import android.widget.Toast;
    
    public class GetTime extends Activity { 
    
    /** Called when the activity is first created. */ 
    
    @Override 
    
    public void onCreate(Bundle savedInstanceState) { 
    
    super.onCreate(savedInstanceState); 
    
    setContentView(R.layout.gettime); 
    
     Calendar c = Calendar.getInstance();
                    int year = c.get(Calendar.YEAR);   //获取年份 
                    int month = c.get(Calendar.MONTH);  //获取月份
                    int day = c.get(Calendar.DAY_OF_MONTH);  //获取日期
                    int hour = c.get(Calendar.HOUR_OF_DAY);  //获取小时
                    int minute = c.get(Calendar.MINUTE); //获取分钟
    String time_s = "当前时间为:" + year + "" + month + "" + day + "" + hour + "" + minute + "";
    Toast.makeText(GetTime.this,time_s, Toast.LENGTH_SHORT).show(); } }

    效果图:
         

    参考于    http://www.01yun.com/mobile_development/20130425/378941.html (转载请说明)

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  • 原文地址:https://www.cnblogs.com/xqxacm/p/4175934.html
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