12.6 时间与日期

o TimePicker的使用方法

fragment_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:tools="http://schemas.android.com/tools"

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="com.pmplife.timepicker.MainActivity$PlaceholderFragment" >

<TimePicker

android:id="@+id/firstTimePicker"

android:layout_width="wrap_content"

android:layout_height="wrap_content"/>

<Button

android:id="@+id/button"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:layout_below="@id/firstTimePicker"

android:text="获取TimePicker的值"/>

RelativeLayout>

MainActivity.java

package com.pmplife.timepicker;

import android.support.v7.app.ActionBarActivity;

import android.support.v7.app.ActionBar;

import android.support.v4.app.Fragment;

import android.os.Bundle;

import android.view.LayoutInflater;

import android.view.Menu;

import android.view.MenuItem;

import android.view.View;

import android.view.View.OnClickListener;

import android.view.ViewGroup;

import android.widget.Button;

import android.widget.TimePicker;

import android.widget.TimePicker.OnTimeChangedListener;

import android.os.Build;

public class MainActivity extends ActionBarActivity {

private TimePicker firstTimePicker;

private Button button;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.fragment_main);

firstTimePicker=(TimePicker)findViewById(R.id.firstTimePicker);

button=(Button)findViewById(R.id.button);

//该函数用于设置是否使用24小时制显示时间

firstTimePicker.setIs24HourView(true);

TimeListener timeListener = new TimeListener();

firstTimePicker.setOnTimeChangedListener(timeListener);

ButtonListener buttonListener = new ButtonListener();

button.setOnClickListener(buttonListener);

/*if (savedInstanceState == null) {

getSupportFragmentManager().beginTransaction()

.add(R.id.container, new PlaceholderFragment()).commit();

}*/

}

class ButtonListener implements OnClickListener{

@Override

public void onClick(View v) {

int hour=firstTimePicker.getCurrentHour();

int minute=firstTimePicker.getCurrentMinute();

System.out.println("hour:"+hour+",minute"+minute);

}

class TimeListener implements OnTimeChangedListener{

@Override

/**

* view:该对象代表着TimePicker

* hourOfDay:用户所选择的小时

* minute:用户所选择的分钟

* */

public void onTimeChanged(TimePicker view, int hourOfDay, int minute) {

System.out.println("hourOfDay:"+hourOfDay+",minute"+minute);

}

@Override

public boolean onCreateOptionsMenu(Menu menu) {

// Inflate the menu; this adds items to the action bar if it is present.

getMenuInflater().inflate(R.menu.main, menu);

return true;

}

@Override

public boolean onOptionsItemSelected(MenuItem item) {

// Handle action bar item clicks here. The action bar will

// automatically handle clicks on the Home/Up button, so long

// as you specify a parent activity in AndroidManifest.xml.

int id = item.getItemId();

if (id == R.id.action_settings) {

return true;

}

return super.onOptionsItemSelected(item);

}

/**

* A placeholder fragment containing a simple view.

public static class PlaceholderFragment extends Fragment {

public PlaceholderFragment() {

}

@Override

public View onCreateView(LayoutInflater inflater, ViewGroup container,

Bundle savedInstanceState) {

View rootView = inflater.inflate(R.layout.fragment_main, container,

false);

return rootView;

}

o OnTimeChangedListener的使用方法

o DataPicker的使用方法

fragment_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:tools="http://schemas.android.com/tools"

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="com.pmplife.datapicker.MainActivity$PlaceholderFragment" >

<DatePicker

android:id="@+id/firstDatePicker"

android:layout_width="wrap_content"

android:layout_height="wrap_content"/>

<Button

android:id="@+id/button"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:layout_below="@id/firstDatePicker"

android:text="获取DatePicker的值"/>

RelativeLayout>

MainActivity.java

package com.pmplife.datapicker;

import android.support.v7.app.ActionBarActivity;

import android.support.v7.app.ActionBar;

import android.support.v4.app.Fragment;

import android.os.Bundle;

import android.view.LayoutInflater;

import android.view.Menu;

import android.view.MenuItem;

import android.view.View;

import android.view.View.OnClickListener;

import android.view.ViewGroup;

import android.widget.Button;

import android.widget.DatePicker;

import android.os.Build;

public class MainActivity extends ActionBarActivity {

private DatePicker datePicker;

private Button button;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.fragment_main);

datePicker = (DatePicker)findViewById(R.id.firstDatePicker);

datePicker.updateDate(2014, 2, 29);//设置成2014.3.29

button = (Button)findViewById(R.id.button);

ButtonListener buttonListener = new ButtonListener();

button.setOnClickListener(buttonListener);

/*if (savedInstanceState == null) {

getSupportFragmentManager().beginTransaction()

.add(R.id.container, new PlaceholderFragment()).commit();

}*/

}

class ButtonListener implements OnClickListener{

@Override

public void onClick(View v) {

int y = datePicker.getYear();

int m = datePicker.getMonth();

int d = datePicker.getDayOfMonth();

System.out.println("y:"+y+",m"+m+",d"+d);

}

@Override

public boolean onCreateOptionsMenu(Menu menu) {

// Inflate the menu; this adds items to the action bar if it is present.

getMenuInflater().inflate(R.menu.main, menu);

return true;

}

@Override

public boolean onOptionsItemSelected(MenuItem item) {

// Handle action bar item clicks here. The action bar will

// automatically handle clicks on the Home/Up button, so long

// as you specify a parent activity in AndroidManifest.xml.

int id = item.getItemId();

if (id == R.id.action_settings) {

return true;

}

return super.onOptionsItemSelected(item);

}

/**

* A placeholder fragment containing a simple view.

public static class PlaceholderFragment extends Fragment {

public PlaceholderFragment() {

}

@Override

public View onCreateView(LayoutInflater inflater, ViewGroup container,

Bundle savedInstanceState) {

View rootView = inflater.inflate(R.layout.fragment_main, container,

false);

return rootView;

}

o AnalogClock的使用方法

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