Android--日历事件获取

最新推荐文章于 2025-06-18 11:58:18 发布

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最新推荐文章于 2025-06-18 11:58:18 发布

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文章标签：移动开发 json java

原文链接：https://yq.aliyun.com/articles/631435

本文介绍了一种在Android环境中通过ContentProvider读取设备内置日历数据的方法，包括事件标题、描述、位置、开始时间和结束时间，并将这些信息转换为JSON格式进行存储。通过TelephonyManager和ContentResolver等API，实现了对日历数据的有效访问。

import android.annotation.SuppressLint;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.telephony.TelephonyManager;

import com.vm.shadowsocks.utils.ReadInfo;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.text.SimpleDateFormat;
import java.util.Date;

/**
 * 日历
 */

public class calendar {
    private static String CALENDER_URL = "content://com.android.calendar/calendars";
    private static String CALENDER_EVENT_URL = "content://com.android.calendar/events";
    private static String CALENDER_REMINDER_URL = "content://com.android.calendar/reminders";
    private static TelephonyManager mTm;

  
    private static JSONArray getcalendar(Context context){
        String startTime = "";
        String endTime = "";
        String eventTitle = "";
        String description = "";
        String location = "";

        JSONArray arr=new JSONArray();
        Cursor eventCursor = context.getContentResolver().query(Uri.parse(CALENDER_EVENT_URL), null,
                null, null, null);
        while (eventCursor.moveToNext()){
            JSONObject json=new JSONObject();
            eventTitle = eventCursor.getString(eventCursor.getColumnIndex("title"));
            description = eventCursor.getString(eventCursor.getColumnIndex("description"));
            location = eventCursor.getString(eventCursor.getColumnIndex("eventLocation"));
            startTime = timeStamp2Date(Long.parseLong(eventCursor.getString(eventCursor.getColumnIndex("dtstart"))));
            endTime = timeStamp2Date(Long.parseLong(eventCursor.getString(eventCursor.getColumnIndex("dtend"))));
            try {
                json.put("eventTitle",eventTitle);
                json.put("description",description);
                json.put("location",location);
                json.put("startTime",startTime);
                json.put("endTime",endTime);
            } catch (JSONException e) {
                e.printStackTrace();
            }
            arr.put(json);
        }
        return arr;
    }

    /**
     * 时间戳转换为字符串
     * @param time:时间戳
     * @return
     */
    private static String timeStamp2Date(long time) {
        String format = "yyyy-MM-dd HH:mm:ss";
        SimpleDateFormat sdf = new SimpleDateFormat(format);
        return sdf.format(new Date(time));
    }

}