获取手机日历程序数据的app

package com.huawei.calendar.calendardemo.activity; import android.Manifest; import android.content.ContentResolver; import android.content.ContentUris; import android.content.ContentValues; import android.content.DialogInterface; import android.content.pm.PackageManager; import android.database.Cursor; import android.net.Uri; import android.os.Build; import android.os.Bundle; import android.provider.CalendarContract; import android.provider.CalendarContract.Events; import android.support.annotation.Nullable; import android.support.v4.app.ActivityCompat; import android.support.v7.app.AlertDialog; import android.support.v7.app.AppCompatActivity; import android.util.Log; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.ListView; import android.widget.Toast; import com.huawei.calendar.calendardemo.R; import com.huawei.calendar.calendardemo.adapter.CalendarAdapter; import com.huawei.calendar.calendardemo.bean.CalendarEvent; import com.huawei.calendar.calendardemo.util.MyTimeUtils; import java.util.ArrayList; import java.util.Calendar; import java.util.List; import java.util.TimeZone; public class CalcActivity extends AppCompatActivity implements View.OnClickListener { private Button btn_insert_calendar; private Button btn_delete_calendar; private Button btn_update_calendar; private Button btn_select_calendar; private String TAG = "CalcActivity-->"; private List<CalendarEvent> calendarEvents = new ArrayList<>(); private static String CALANDER_EVENT_URL = "";// 为了兼容不同版本的日历,2.2以后url发生改变 private static String CALANDER_URL = ""; private static String CALANDER_REMIDER_URL = ""; private ListView lv_calendar; private CalendarAdapter adapter; @Override protected void onCreate(@Nullable Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_insert_calendar); initView(); initData(); initEvent(); } private void initView() { btn_insert_calendar = findViewById(R.id.btn_insert_calendar); btn_delete_calendar = findViewById(R.id.btn_delete_calendar); btn_update_calendar = findViewById(R.id.btn_update_calendar); btn_select_calendar = findViewById(R.id.btn_select_calendar); lv_calendar = findViewById(R.id.lv_calendar); } private void initData() { initUrl(); adapter = new CalendarAdapter(this, calendarEvents); lv_calendar.setAdapter(adapter); } private void initEvent() { btn_insert_calendar.setOnClickListener(this); btn_delete_calendar.setOnClickListener(this); btn_update_calendar.setOnClickListener(this); btn_select_calendar.setOnClickListener(this); } private void initUrl() { if (Integer.parseInt(Build.VERSION.SDK) >= 8) { CALANDER_URL = "content://com.android.calendar/calendars"; CALANDER_EVENT_URL = "content://com.android.calendar/events"; CALANDER_REMIDER_URL = "content://com.android.calendar/reminders"; } else { CALANDER_URL = "content://calendar/calendars"; CALANDER_EVENT_URL = "content://calendar/events"; CALANDER_REMIDER_URL = "content://calendar/reminders"; } } @Override public void onClick(View v) { switch (v.getId()) { case R.id.btn_insert_calendar: addCalender(); break; case R.id.btn_delete_calendar: showDeleteDialog(); break; case R.id.btn_update_calendar: showUpdateDialog(); break; case R.id.btn_select_calendar: calendarEvents.clear(); selectCalender(); break; default: break; } } private void showDeleteDialog() { // 创建一个EditText对象 final View view = View.inflate(this, R.layout.dialog_delete_calendar, null); final EditText et_id = view.findViewById(R.id.et_id); // 创建对话框对象 new AlertDialog.Builder(this). // 添加输入的文本框 setView(view). // 添加确定按钮 setPositiveButton("确定", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { // 获取输入的字符 String in = et_id.getText().toString(); if (in == null || "".equals(in)) { Toast.makeText(CalcActivity.this, "输入内容不能为空！", Toast.LENGTH_SHORT).show(); return; } int id = Integer.parseInt(in); deleteCalender(id); } }).setNegativeButton("取消", null). // 产生并显示 create().show(); } private void selectCalender() { ContentResolver cr = getContentResolver(); // 日历里面相应的Event的URI Uri uri = Uri.parse(CALANDER_EVENT_URL); Cursor cursor = cr.query(uri, null, null, null, null); while (cursor.moveToNext()) { CalendarEvent cde = new CalendarEvent(); //事件的ID String id = cursor.getString(cursor.getColumnIndex("_id")); //Events.CALENDAR_ID //事件的标题 String title = cursor.getString(cursor.getColumnIndex(Events.TITLE)); //事件的起始时间 String dtstart = cursor.getString(cursor.getColumnIndex(Events.DTSTART)); //事件的结束时间 ，如果事件是每天/周,那么就没有结束时间 String dtend = cursor.getString(cursor.getColumnIndex(Events.DTEND)); //事件的描述 String description = cursor.getString(cursor.getColumnIndex(Events.DESCRIPTION)); //事件的重复规律 String rrule = cursor.getString(cursor.getColumnIndex(Events.RRULE)); //事件的复发日期。通常RDATE要联合RRULE一起使用来定义一个重复发生的事件的合集。 String rdate = cursor.getString(cursor.getColumnIndex(Events.RDATE)); //事件是否是全天的 String allDay = cursor.getString(cursor.getColumnIndex(Events.ALL_DAY)); //事件的地点 String location = cursor.getString(cursor.getColumnIndex(Events.EVENT_LOCATION)); //事件持续时间，例如“PT1H”表示事件持续1小时的状态， “P2W”指明2周的持续时间。P3600S表示3600秒 String duration = cursor.getString(cursor.getColumnIndex(Events.DURATION)); //other String last_date = cursor.getString(cursor.getColumnIndex(Events.LAST_DATE)); String original_id = cursor.getString(cursor.getColumnIndex(Events.ORIGINAL_ID)); String maxReminders = cursor.getString(cursor.getColumnIndex(Events.MAX_REMINDERS)); String allowedReminders = cursor.getString(cursor.getColumnIndex(Events.ALLOWED_REMINDERS)); String startTime = MyTimeUtils.getTimeString(Long.parseLong(dtstart), "yyyy-MM-dd HH:mm:ss"); String endTime = ""; if (dtend != null && !dtend.equals("null") && !dtend.equals("")) { endTime = MyTimeUtils.getTimeString(Long.parseLong(dtend), "yyyy-MM-dd HH:mm:ss"); } String ruleString = ""; if (rrule != null && !rrule.equals("null") && !rr