DatePicker+TimePicker

我会带着你远行 2024-02-18 18:56 37阅读 0赞

### **1 DatePicker** ###

![Center][] ![Center 1][] ![Center 2][]

**Main.xml**

**MainActivity.java**

public class MainActivity extends Activity {
    
    	TextView mDateDisplay;
    	Button mPickDate;
    	DatePicker datePicker;
    	
    	private int mYear, mMonth, mDay;
    	
        private static final int DATE_DIALOG_ID = 0;
    
    	@Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
            
            mDateDisplay = (TextView) findViewById(R.id.dateDisplay);
            mPickDate = (Button) findViewById(R.id.pickDate);
            
            mPickDate.setOnClickListener(new View.OnClickListener() {
    			
    			@Override
    			public void onClick(View v) {
    				showDialog(DATE_DIALOG_ID);
    			}
    		});
            
            final Calendar c = Calendar.getInstance();
            mYear = c.get(Calendar.YEAR);
            mMonth = c.get(Calendar.MONTH);
            mDay = c.get(Calendar.DAY_OF_MONTH);
            
            updateDisplay();
            
            datePicker = (DatePicker) findViewById(R.id.datePicker);
            datePicker.init(mYear, mMonth, mDay, new DatePicker.OnDateChangedListener() {
    			@Override
    			public void onDateChanged(DatePicker view, int year, int monthOfYear,
    					int dayOfMonth) {
    				Toast.makeText(MainActivity.this, year+"-"+(monthOfYear+1), Toast.LENGTH_LONG).show();
    			}
    		});
        }
    
    	@Override
    	protected Dialog onCreateDialog(int id) {
    		switch (id) {
    		case DATE_DIALOG_ID:
    			return new DatePickerDialog(this, mDateSetListener, mYear, mMonth, mDay);
    		default:
    			break;
    		}
    		return null;
    	}
        
    	private DatePickerDialog.OnDateSetListener mDateSetListener = new DatePickerDialog.OnDateSetListener() {
    		
    		@Override
    		public void onDateSet(DatePicker view, int year, int monthOfYear,
    				int dayOfMonth) {
    			mYear = year;
    			mMonth = monthOfYear;
    			mDay = dayOfMonth;
    			updateDisplay();
    		}
    	};
    	
    	private void updateDisplay() {
    		mDateDisplay.setText(new StringBuilder().append("时间：")
    				.append(mYear).append("-")
    				.append(mMonth+1).append("-")
    				.append(mDay));
    	}
    }

### 2 TimePicker ###

**![Center 3][] ![Center 4][]**

**MainActivity.java**

public class MainActivity extends Activity {
    
    	TextView mTimeDisplay;
    	Button mPickTime;
    	TimePicker TimePicker;
    	
    	private int mHour, mMinute;
    	
        private static final int Time_DIALOG_ID = 0;
    
    	@Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
            
            mTimeDisplay = (TextView) findViewById(R.id.dateDisplay);
            mPickTime = (Button) findViewById(R.id.pickDate);
            
            mPickTime.setOnClickListener(new View.OnClickListener() {
    			
    			@Override
    			public void onClick(View v) {
    				showDialog(Time_DIALOG_ID);
    			}
    		});
            
            final Calendar c = Calendar.getInstance();
    //        for (String str : TimeZone.getAvailableIDs()) {
    //        	System.out.println(str);
    //		}
            c.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
            mHour = c.get(Calendar.HOUR_OF_DAY);
            mMinute = c.get(Calendar.MINUTE);
            
            upTimeDisplay();
            
        }
    
    	@Override
    	protected Dialog onCreateDialog(int id) {
    		switch (id) {
    		case Time_DIALOG_ID:
    			return new TimePickerDialog(this, mTimeSetListener, mHour, mMinute, true);
    		default:
    			break;
    		}
    		return null;
    	}
        
    	private TimePickerDialog.OnTimeSetListener mTimeSetListener = new TimePickerDialog.OnTimeSetListener() {
    		
    		@Override
    		public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
    			mHour = hourOfDay;
    			mMinute = minute;
    			upTimeDisplay();
    		}
    	};
    	
    	private void upTimeDisplay() {
    		mTimeDisplay.setText(new StringBuilder().append("时间：")
    				.append(pad(mHour)).append(":")
    				.append(pad(mMinute)));
    	}
    	private static String pad(int c) {
    		if(c>=10) {
    			return String.valueOf(c);
    		} else {
    			return "0"+String.valueOf(c);
    		}
    	}
    }

[Center]: https://img-blog.csdn.net/20170601102908945?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvdTAxMzk0MzQyMA==/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center
[Center 1]: https://img-blog.csdn.net/20170601102944711?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvdTAxMzk0MzQyMA==/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center
[Center 2]: https://image.dandelioncloud.cn/pgy_files/images/2024/01/29/5062437d38b0436cb7719d3880c203d7.png
[Center 3]: https://img-blog.csdn.net/20170601105406692?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvdTAxMzk0MzQyMA==/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center
[Center 4]: https://image.dandelioncloud.cn/pgy_files/images/2024/01/29/c1ab676798414616a21cfe8bc73e3058.png

DatePicker+TimePicker

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