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@ -14,10 +14,11 @@
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* limitations under the License.
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* limitations under the License.
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*/
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*/
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package net.micode.notes.data;
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package net.micode.notes.data;//类存在
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import android.net.Uri;
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import android.net.Uri;
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public class Notes {
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public class Notes {
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//定义了很多常量
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public static final String AUTHORITY = "micode_notes";
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public static final String AUTHORITY = "micode_notes";
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public static final String TAG = "Notes";
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public static final String TAG = "Notes";
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public static final int TYPE_NOTE = 0;
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public static final int TYPE_NOTE = 0;
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@ -35,17 +36,23 @@ public class Notes {
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public static final int ID_CALL_RECORD_FOLDER = -2;
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public static final int ID_CALL_RECORD_FOLDER = -2;
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public static final int ID_TRASH_FOLER = -3;
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public static final int ID_TRASH_FOLER = -3;
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// 用于在Intent中传递提醒日期的键
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public static final String INTENT_EXTRA_ALERT_DATE = "net.micode.notes.alert_date";
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public static final String INTENT_EXTRA_ALERT_DATE = "net.micode.notes.alert_date";
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// 用于在Intent中传递背景颜色ID的键
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public static final String INTENT_EXTRA_BACKGROUND_ID = "net.micode.notes.background_color_id";
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public static final String INTENT_EXTRA_BACKGROUND_ID = "net.micode.notes.background_color_id";
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// 用于在Intent中传递小部件ID的键
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public static final String INTENT_EXTRA_WIDGET_ID = "net.micode.notes.widget_id";
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public static final String INTENT_EXTRA_WIDGET_ID = "net.micode.notes.widget_id";
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// 用于在Intent中传递小部件类型的键
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public static final String INTENT_EXTRA_WIDGET_TYPE = "net.micode.notes.widget_type";
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public static final String INTENT_EXTRA_WIDGET_TYPE = "net.micode.notes.widget_type";
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// 用于在Intent中传递文件夹ID的键
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public static final String INTENT_EXTRA_FOLDER_ID = "net.micode.notes.folder_id";
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public static final String INTENT_EXTRA_FOLDER_ID = "net.micode.notes.folder_id";
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// 用于在Intent中传递通话日期的键
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public static final String INTENT_EXTRA_CALL_DATE = "net.micode.notes.call_date";
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public static final String INTENT_EXTRA_CALL_DATE = "net.micode.notes.call_date";
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public static final int TYPE_WIDGET_INVALIDE = -1;
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public static final int TYPE_WIDGET_INVALIDE = -1;
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public static final int TYPE_WIDGET_2X = 0;
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public static final int TYPE_WIDGET_2X = 0;
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public static final int TYPE_WIDGET_4X = 1;
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public static final int TYPE_WIDGET_4X = 1;
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//这些常量提供了一种在代码中引用特定数据类型的标准化方式。通过在 DataConstants 内部定义这些常量,可以方便地在应用程序的其他地方引用它们,而不必直接使用字符串字面量,从而提高了代码的可读性和可维护性
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public static class DataConstants {
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public static class DataConstants {
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public static final String NOTE = TextNote.CONTENT_ITEM_TYPE;
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public static final String NOTE = TextNote.CONTENT_ITEM_TYPE;
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public static final String CALL_NOTE = CallNote.CONTENT_ITEM_TYPE;
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public static final String CALL_NOTE = CallNote.CONTENT_ITEM_TYPE;
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@ -53,17 +60,22 @@ public class Notes {
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/**
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/**
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* Uri to query all notes and folders
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* Uri to query all notes and folders
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*查询所有笔记和文件夹的Uri
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*/
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*/
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//定义查询便签和文件夹的指针
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public static final Uri CONTENT_NOTE_URI = Uri.parse("content://" + AUTHORITY + "/note");
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public static final Uri CONTENT_NOTE_URI = Uri.parse("content://" + AUTHORITY + "/note");
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/**
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/**
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* Uri to query data
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* Uri to query data
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*查询数据的Uri
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*/
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*/
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//定义查找数据的指针
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public static final Uri CONTENT_DATA_URI = Uri.parse("content://" + AUTHORITY + "/data");
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public static final Uri CONTENT_DATA_URI = Uri.parse("content://" + AUTHORITY + "/data");
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// 定义NoteColumns的常量,用于后面创建数据库的表头
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//标准化定义一些常量便于之后的管理运用
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public interface NoteColumns {
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public interface NoteColumns {
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/**
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/**
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* The unique ID for a row
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* The unique ID for a row 行
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* <P> Type: INTEGER (long) </P>
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* <P> Type: INTEGER (long) </P>
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*/
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*/
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public static final String ID = "_id";
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public static final String ID = "_id";
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@ -166,7 +178,8 @@ public class Notes {
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*/
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*/
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public static final String VERSION = "version";
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public static final String VERSION = "version";
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}
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}
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// 定义DataColumns的常量,用于后面创建数据库的表头
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public interface DataColumns {
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public interface DataColumns {
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/**
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/**
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* The unique ID for a row
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* The unique ID for a row
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@ -244,36 +257,44 @@ public class Notes {
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public static final class TextNote implements DataColumns {
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public static final class TextNote implements DataColumns {
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/**
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/**
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* Mode to indicate the text in check list mode or not
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* Mode to indicate the text in check list mode or not
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* 指示文本是否处于检查列表模式的模式。
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* <P> Type: Integer 1:check list mode 0: normal mode </P>
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* <P> Type: Integer 1:check list mode 0: normal mode </P>
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*/
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*/
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public static final String MODE = DATA1;
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// 不同模式的常量
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public static final int MODE_CHECK_LIST = 1;
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public static final int MODE_CHECK_LIST = 1;
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// 整个文本笔记集合的内容类型
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public static final String CONTENT_TYPE = "vnd.android.cursor.dir/text_note";
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public static final String CONTENT_TYPE = "vnd.android.cursor.dir/text_note";
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// 文本笔记集合中单个项的内容类型
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public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/text_note";
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public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/text_note";
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// 用于访问文本笔记集合的内容URI
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public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/text_note");
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public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/text_note");
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}
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}
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public static final class CallNote implements DataColumns {
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public static final class CallNote implements DataColumns {
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/**
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/**
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* Call date for this record
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* Call date for this record
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* 通话记录的通话日期
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* <P> Type: INTEGER (long) </P>
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* <P> Type: INTEGER (long) </P>
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*/
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*/
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public static final String CALL_DATE = DATA1;
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public static final String CALL_DATE = DATA1;
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/**
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/**
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* Phone number for this record
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* Phone number for this record
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*通话记录的电话号码
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* <P> Type: TEXT </P>
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* <P> Type: TEXT </P>
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*/
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*/
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public static final String PHONE_NUMBER = DATA3;
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public static final String PHONE_NUMBER = DATA3;
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// 整个通话笔记集合的内容类型
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public static final String CONTENT_TYPE = "vnd.android.cursor.dir/call_note";
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public static final String CONTENT_TYPE = "vnd.android.cursor.dir/call_note";
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// 通话笔记集合中单个项的内容类型
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public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/call_note";
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public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/call_note";
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// 用于访问通话笔记集合的内容URI
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public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/call_note");
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public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/call_note");
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}
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}
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}
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}
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