Android高手进阶教程(二十)---Android中的日历读写操作!!!
大家好,好久没有更新blog了,今天给大家分享一下Android中一些自带日历的操作方法,这里主要用到了ContentProiver的知识.如果大家不明白ContentProvider建议先查一下资料,知道它是干什么的。这样更容易下面的例子.
好了废话不说,这里提个醒,Android中的日历,只有真机才有,模拟上是没有的,所以测试环境一定要真机!!
因为日历是系统自带的,所以我们读写它一定要申请权限,也就是在AndroidManifest.xml加如下两行代码(一个读一个写):
- <uses-permissionandroid:name="android.permission.READ_CALENDAR"/>
- <uses-permissionandroid:name="android.permission.WRITE_CALENDAR"/>
Android中日历用了三个URL,分别是日历用户的URL,事件的URL,事件提醒URL,三个URL在Android2.1之前是如下的样子:
- calanderURL="content://calendar/calendars";
- calanderEventURL="content://calendar/events";
- calanderRemiderURL="content://calendar/reminders";
但是在Android2.2版本以后,三个URL有了改变,变成如下的样子:
- calanderURL="content://com.android.calendar/calendars";
- calanderEventURL="content://com.android.calendar/events";
- calanderRemiderURL="content://com.android.calendar/reminders";
还是老样子,为了让大家更好的理解,我写了一个简单的Demo,大家按照我的步骤一步一步的来:
第一步:新建一个Android工程命名为CalendarDemo.
第二步:修改main.xml布局文件,增加了三个按钮,代码如下:
- <?xmlversion="1.0"encoding="utf-8"?>
- <LinearLayoutxmlns:android="http://schemas.android.com/apk/res/android"
- android:orientation="vertical"
- android:layout_width="fill_parent"
- android:layout_height="fill_parent"
- >
- <TextView
- android:layout_width="fill_parent"
- android:layout_height="wrap_content"
- android:text="@string/hello"
- />
- <Button
- android:id="@+id/readUserButton"
- android:layout_width="fill_parent"
- android:layout_height="wrap_content"
- android:text="GetaUser"
- />
- <Button
- android:id="@+id/readEventButton"
- android:layout_width="fill_parent"
- android:layout_height="wrap_content"
- android:text="GetaEvent"
- />
- <Button
- android:id="@+id/writeEventButton"
- android:layout_width="fill_parent"
- android:layout_height="wrap_content"
- android:text="InputaEvent"
- />
- </LinearLayout>
第三步:修改主核心程序CalendarDemo.java,代码如下:
- packagecom.tutor.calendardemo;
- importjava.util.Calendar;
- importandroid.app.Activity;
- importandroid.content.ContentValues;
- importandroid.database.Cursor;
- importandroid.net.Uri;
- importandroid.os.Build;
- importandroid.os.Bundle;
- importandroid.view.View;
- importandroid.view.View.OnClickListener;
- importandroid.widget.Button;
- importandroid.widget.Toast;
- publicclassCalendarDemoextendsActivityimplementsOnClickListener{
- privateButtonmReadUserButton;
- privateButtonmReadEventButton;
- privateButtonmWriteEventButton;
- privatestaticStringcalanderURL="";
- privatestaticStringcalanderEventURL="";
- privatestaticStringcalanderRemiderURL="";
- //为了兼容不同版本的日历,2.2以后url发生改变
- static{
- if(Integer.parseInt(Build.VERSION.SDK)>=8){
- calanderURL="content://com.android.calendar/calendars";
- calanderEventURL="content://com.android.calendar/events";
- calanderRemiderURL="content://com.android.calendar/reminders";
- }else{
- calanderURL="content://calendar/calendars";
- calanderEventURL="content://calendar/events";
- calanderRemiderURL="content://calendar/reminders";
- }
- }
- @Override
- publicvoidonCreate(BundlesavedInstanceState){
- super.onCreate(savedInstanceState);
- setContentView(R.layout.main);
- setupViews();
- }
- privatevoidsetupViews(){
- mReadUserButton=(Button)findViewById(R.id.readUserButton);
- mReadEventButton=(Button)findViewById(R.id.readEventButton);
- mWriteEventButton=(Button)findViewById(R.id.writeEventButton);
- mReadUserButton.setOnClickListener(this);
- mReadEventButton.setOnClickListener(this);
- mWriteEventButton.setOnClickListener(this);
- }
- @Override
- publicvoidonClick(Viewv){
- if(v==mReadUserButton){
- CursoruserCursor=getContentResolver().query(Uri.parse(calanderURL),null,
- null,null,null);
- if(userCursor.getCount()>0){
- userCursor.moveToFirst();
- StringuserName=userCursor.getString(userCursor.getColumnIndex("name"));
- Toast.makeText(CalendarDemo.this,userName,Toast.LENGTH_LONG).show();
- }
- }elseif(v==mReadEventButton){
- CursoreventCursor=getContentResolver().query(Uri.parse(calanderEventURL),null,
- null,null,null);
- if(eventCursor.getCount()>0){
- eventCursor.moveToLast();
- StringeventTitle=eventCursor.getString(eventCursor.getColumnIndex("title"));
- Toast.makeText(CalendarDemo.this,eventTitle,Toast.LENGTH_LONG).show();
- }
- }elseif(v==mWriteEventButton){
- //获取要出入的gmail账户的id
- StringcalId="";
- CursoruserCursor=getContentResolver().query(Uri.parse(calanderURL),null,
- null,null,null);
- if(userCursor.getCount()>0){
- userCursor.moveToFirst();
- calId=userCursor.getString(userCursor.getColumnIndex("_id"));
- }
- ContentValuesevent=newContentValues();
- event.put("title","与苍井空小姐动作交流");
- event.put("description","Frankie受空姐邀请,今天晚上10点以后将在Sheraton动作交流.lol~");
- //插入[email protected]这个账户
- event.put("calendar_id",calId);
- CalendarmCalendar=Calendar.getInstance();
- mCalendar.set(Calendar.HOUR_OF_DAY,10);
- longstart=mCalendar.getTime().getTime();
- mCalendar.set(Calendar.HOUR_OF_DAY,11);
- longend=mCalendar.getTime().getTime();
- event.put("dtstart",start);
- event.put("dtend",end);
- event.put("hasAlarm",1);
- UrinewEvent=getContentResolver().insert(Uri.parse(calanderEventURL),event);
- longid=Long.parseLong(newEvent.getLastPathSegment());
- ContentValuesvalues=newContentValues();
- values.put("event_id",id);
- //提前10分钟有提醒
- values.put("minutes",10);
- getContentResolver().insert(Uri.parse(calanderRemiderURL),values);
- Toast.makeText(CalendarDemo.this,"插入事件成功!!!",Toast.LENGTH_LONG).show();
- }
- }
- }
第四步:在AndroidManifest.xml中申请权限,代码如下:
- <?xmlversion="1.0"encoding="utf-8"?>
- <manifestxmlns:android="http://schemas.android.com/apk/res/android"
- package="com.tutor.calendardemo"
- android:versionCode="1"
- android:versionName="1.0">
- <applicationandroid:icon="@drawable/icon"android:label="@string/app_name">
- <activityandroid:name=".CalendarDemo"
- android:label="@string/app_name">
- <intent-filter>
- <actionandroid:name="android.intent.action.MAIN"/>
- <categoryandroid:name="android.intent.category.LAUNCHER"/>
- </intent-filter>
- </activity>
- </application>
- <uses-sdkandroid:minSdkVersion="7"/>
- <uses-permissionandroid:name="android.permission.READ_CALENDAR"/>
- <uses-permissionandroid:name="android.permission.WRITE_CALENDAR"/>
- </manifest>
第五步:运行上述Android工程,查看效果:
运行首界面获取登录账户名
获取事件title 插入一个事件
查看日历多了一条事件 查看事件详情
Ok今天就讲到这里,呵呵~
大家好,好久没有更新blog了,今天给大家分享一下Android中一些自带日历的操作方法,这里主要用到了ContentProiver的知识.如果大家不明白ContentProvider建议先查一下资料,知道它是干什么的。这样更容易下面的例子.
好了废话不说,这里提个醒,Android中的日历,只有真机才有,模拟上是没有的,所以测试环境一定要真机!!
因为日历是系统自带的,所以我们读写它一定要申请权限,也就是在AndroidManifest.xml加如下两行代码(一个读一个写):
- <uses-permissionandroid:name="android.permission.READ_CALENDAR"/>
- <uses-permissionandroid:name="android.permission.WRITE_CALENDAR"/>
Android中日历用了三个URL,分别是日历用户的URL,事件的URL,事件提醒URL,三个URL在Android2.1之前是如下的样子:
- calanderURL="content://calendar/calendars";
- calanderEventURL="content://calendar/events";
- calanderRemiderURL="content://calendar/reminders";
但是在Android2.2版本以后,三个URL有了改变,变成如下的样子:
- calanderURL="content://com.android.calendar/calendars";
- calanderEventURL="content://com.android.calendar/events";
- calanderRemiderURL="content://com.android.calendar/reminders";
还是老样子,为了让大家更好的理解,我写了一个简单的Demo,大家按照我的步骤一步一步的来:
第一步:新建一个Android工程命名为CalendarDemo.
第二步:修改main.xml布局文件,增加了三个按钮,代码如下:
- <?xmlversion="1.0"encoding="utf-8"?>
- <LinearLayoutxmlns:android="http://schemas.android.com/apk/res/android"
- android:orientation="vertical"
- android:layout_width="fill_parent"
- android:layout_height="fill_parent"
- >
- <TextView
- android:layout_width="fill_parent"
- android:layout_height="wrap_content"
- android:text="@string/hello"
- />
- <Button
- android:id="@+id/readUserButton"
- android:layout_width="fill_parent"
- android:layout_height="wrap_content"
- android:text="GetaUser"
- />
- <Button
- android:id="@+id/readEventButton"
- android:layout_width="fill_parent"
- android:layout_height="wrap_content"
- android:text="GetaEvent"
- />
- <Button
- android:id="@+id/writeEventButton"
- android:layout_width="fill_parent"
- android:layout_height="wrap_content"
- android:text="InputaEvent"
- />
- </LinearLayout>
第三步:修改主核心程序CalendarDemo.java,代码如下:
- packagecom.tutor.calendardemo;
- importjava.util.Calendar;
- importandroid.app.Activity;
- importandroid.content.ContentValues;
- importandroid.database.Cursor;
- importandroid.net.Uri;
- importandroid.os.Build;
- importandroid.os.Bundle;
- importandroid.view.View;
- importandroid.view.View.OnClickListener;
- importandroid.widget.Button;
- importandroid.widget.Toast;
- publicclassCalendarDemoextendsActivityimplementsOnClickListener{
- privateButtonmReadUserButton;
- privateButtonmReadEventButton;
- privateButtonmWriteEventButton;
- privatestaticStringcalanderURL="";
- privatestaticStringcalanderEventURL="";
- privatestaticStringcalanderRemiderURL="";
- //为了兼容不同版本的日历,2.2以后url发生改变
- static{
- if(Integer.parseInt(Build.VERSION.SDK)>=8){
- calanderURL="content://com.android.calendar/calendars";
- calanderEventURL="content://com.android.calendar/events";
- calanderRemiderURL="content://com.android.calendar/reminders";
- }else{
- calanderURL="content://calendar/calendars";
- calanderEventURL="content://calendar/events";
- calanderRemiderURL="content://calendar/reminders";
- }
- }
- @Override
- publicvoidonCreate(BundlesavedInstanceState){
- super.onCreate(savedInstanceState);
- setContentView(R.layout.main);
- setupViews();
- }
- privatevoidsetupViews(){
- mReadUserButton=(Button)findViewById(R.id.readUserButton);
- mReadEventButton=(Button)findViewById(R.id.readEventButton);
- mWriteEventButton=(Button)findViewById(R.id.writeEventButton);
- mReadUserButton.setOnClickListener(this);
- mReadEventButton.setOnClickListener(this);
- mWriteEventButton.setOnClickListener(this);
- }
- @Override
- publicvoidonClick(Viewv){
- if(v==mReadUserButton){
- CursoruserCursor=getContentResolver().query(Uri.parse(calanderURL),null,
- null,null,null);
- if(userCursor.getCount()>0){
- userCursor.moveToFirst();
- StringuserName=userCursor.getString(userCursor.getColumnIndex("name"));
- Toast.makeText(CalendarDemo.this,userName,Toast.LENGTH_LONG).show();
- }
- }elseif(v==mReadEventButton){
- CursoreventCursor=getContentResolver().query(Uri.parse(calanderEventURL),null,
- null,null,null);
- if(eventCursor.getCount()>0){
- eventCursor.moveToLast();
- StringeventTitle=eventCursor.getString(eventCursor.getColumnIndex("title"));
- Toast.makeText(CalendarDemo.this,eventTitle,Toast.LENGTH_LONG).show();
- }
- }elseif(v==mWriteEventButton){
- //获取要出入的gmail账户的id
- StringcalId="";
- CursoruserCursor=getContentResolver().query(Uri.parse(calanderURL),null,
- null,null,null);
- if(userCursor.getCount()>0){
- userCursor.moveToFirst();
- calId=userCursor.getString(userCursor.getColumnIndex("_id"));
- }
- ContentValuesevent=newContentValues();
- event.put("title","与苍井空小姐动作交流");
- event.put("description","Frankie受空姐邀请,今天晚上10点以后将在Sheraton动作交流.lol~");
- //插入[email protected]这个账户
- event.put("calendar_id",calId);
- CalendarmCalendar=Calendar.getInstance();
- mCalendar.set(Calendar.HOUR_OF_DAY,10);
- longstart=mCalendar.getTime().getTime();
- mCalendar.set(Calendar.HOUR_OF_DAY,11);
- longend=mCalendar.getTime().getTime();
- event.put("dtstart",start);
- event.put("dtend",end);
- event.put("hasAlarm",1);
- UrinewEvent=getContentResolver().insert(Uri.parse(calanderEventURL),event);
- longid=Long.parseLong(newEvent.getLastPathSegment());
- ContentValuesvalues=newContentValues();
- values.put("event_id",id);
- //提前10分钟有提醒
- values.put("minutes",10);
- getContentResolver().insert(Uri.parse(calanderRemiderURL),values);
- Toast.makeText(CalendarDemo.this,"插入事件成功!!!",Toast.LENGTH_LONG).show();
- }
- }
- }
第四步:在AndroidManifest.xml中申请权限,代码如下:
- <?xmlversion="1.0"encoding="utf-8"?>
- <manifestxmlns:android="http://schemas.android.com/apk/res/android"
- package="com.tutor.calendardemo"
- android:versionCode="1"
- android:versionName="1.0">
- <applicationandroid:icon="@drawable/icon"android:label="@string/app_name">
- <activityandroid:name=".CalendarDemo"
- android:label="@string/app_name">
- <intent-filter>
- <actionandroid:name="android.intent.action.MAIN"/>
- <categoryandroid:name="android.intent.category.LAUNCHER"/>
- </intent-filter>
- </activity>
- </application>
- <uses-sdkandroid:minSdkVersion="7"/>
- <uses-permissionandroid:name="android.permission.READ_CALENDAR"/>
- <uses-permissionandroid:name="android.permission.WRITE_CALENDAR"/>
- </manifest>
第五步:运行上述Android工程,查看效果:
运行首界面获取登录账户名
获取事件title 插入一个事件
查看日历多了一条事件 查看事件详情
Ok今天就讲到这里,呵呵~