From 017666bc2d8d84c3ebdb2503abfd6b34c4739410 Mon Sep 17 00:00:00 2001 From: p4ns2i85u <1257425730@qq.com> Date: Tue, 31 Dec 2024 11:46:50 +0800 Subject: [PATCH] Update NoteWidgetProvider.java --- .../notes/widget/NoteWidgetProvider.java | 116 +++++++++--------- 1 file changed, 58 insertions(+), 58 deletions(-) diff --git a/src/net/micode/notes/widget/NoteWidgetProvider.java b/src/net/micode/notes/widget/NoteWidgetProvider.java index ec6f819..8f04956 100644 --- a/src/net/micode/notes/widget/NoteWidgetProvider.java +++ b/src/net/micode/notes/widget/NoteWidgetProvider.java @@ -14,119 +14,119 @@ * limitations under the License. */ -package net.micode.notes.widget; -import android.app.PendingIntent; -import android.appwidget.AppWidgetManager; -import android.appwidget.AppWidgetProvider; -import android.content.ContentValues; -import android.content.Context; -import android.content.Intent; -import android.database.Cursor; -import android.util.Log; -import android.widget.RemoteViews; - -import net.micode.notes.R; -import net.micode.notes.data.Notes; -import net.micode.notes.data.Notes.NoteColumns; -import net.micode.notes.tool.ResourceParser; -import net.micode.notes.ui.NoteEditActivity; -import net.micode.notes.ui.NotesListActivity; - -public abstract class NoteWidgetProvider extends AppWidgetProvider { +package net.micode.notes.widget;// 包声明，指明代码属于哪个包 +import android.app.PendingIntent;// 导入PendingIntent类 +import android.appwidget.AppWidgetManager;// 导入AppWidgetManager类 +import android.appwidget.AppWidgetProvider;// 导入AppWidgetProvider类 +import android.content.ContentValues;// 导入ContentValues类 +import android.content.Context;// 导入Context类 +import android.content.Intent;// 导入Intent类 +import android.database.Cursor;// 导入Cursor类 +import android.util.Log;// 导入Log类 +import android.widget.RemoteViews;// 导入RemoteViews类 + +import net.micode.notes.R;// 导入R类，用于访问资源 +import net.micode.notes.data.Notes;// 导入Notes类 +import net.micode.notes.data.Notes.NoteColumns;// 导入NoteColumns类 +import net.micode.notes.tool.ResourceParser;// 导入ResourceParser类 +import net.micode.notes.ui.NoteEditActivity;// 导入NoteEditActivity类 +import net.micode.notes.ui.NotesListActivity;// 导入NotesListActivity类 + +public abstract class NoteWidgetProvider extends AppWidgetProvider {// 声明一个抽象类NoteWidgetProvider，继承自AppWidgetProvider public static final String [] PROJECTION = new String [] { NoteColumns.ID, NoteColumns.BG_COLOR_ID, NoteColumns.SNIPPET - }; + };// 定义一个常量数组PROJECTION，包含NoteColumns的ID、BG_COLOR_ID和SNIPPET - public static final int COLUMN_ID = 0; - public static final int COLUMN_BG_COLOR_ID = 1; - public static final int COLUMN_SNIPPET = 2; + public static final int COLUMN_ID = 0;// 定义COLUMN_ID常量，值为0 + public static final int COLUMN_BG_COLOR_ID = 1;// 定义COLUMN_BG_COLOR_ID常量，值为1 + public static final int COLUMN_SNIPPET = 2;// 定义COLUMN_SNIPPET常量，值为2 - private static final String TAG = "NoteWidgetProvider"; + private static final String TAG = "NoteWidgetProvider";// 定义TAG常量，用于日志记录 @Override - public void onDeleted(Context context, int[] appWidgetIds) { - ContentValues values = new ContentValues(); - values.put(NoteColumns.WIDGET_ID, AppWidgetManager.INVALID_APPWIDGET_ID); + public void onDeleted(Context context, int[] appWidgetIds) {// 重写onDeleted方法，当小部件被删除时调用 + ContentValues values = new ContentValues();// 创建ContentValues对象 + values.put(NoteColumns.WIDGET_ID, AppWidgetManager.INVALID_APPWIDGET_ID);// 将WIDGET_ID列的值设置为INVALID_APPWIDGET_ID for (int i = 0; i < appWidgetIds.length; i++) { context.getContentResolver().update(Notes.CONTENT_NOTE_URI, values, NoteColumns.WIDGET_ID + "=?", - new String[] { String.valueOf(appWidgetIds[i])}); + new String[] { String.valueOf(appWidgetIds[i])});// 更新数据库，将指定小部件ID的WIDGET_ID列设置为INVALID_APPWIDGET_ID } } - private Cursor getNoteWidgetInfo(Context context, int widgetId) { + private Cursor getNoteWidgetInfo(Context context, int widgetId) {// 定义getNoteWidgetInfo方法，获取小部件信息 return context.getContentResolver().query(Notes.CONTENT_NOTE_URI, PROJECTION, NoteColumns.WIDGET_ID + "=? AND " + NoteColumns.PARENT_ID + "<>?", new String[] { String.valueOf(widgetId), String.valueOf(Notes.ID_TRASH_FOLER) }, - null); + null);// 查询数据库，返回符合条件的Cursor对象 } - protected void update(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) { + protected void update(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {// 定义update方法，更新小部件 update(context, appWidgetManager, appWidgetIds, false); - } + }// 调用重载的update方法，传入false作为privacyMode参数 private void update(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds, - boolean privacyMode) { + boolean privacyMode) {// 定义重载的update方法，更新小部件，传入privacyMode参数 for (int i = 0; i < appWidgetIds.length; i++) { - if (appWidgetIds[i] != AppWidgetManager.INVALID_APPWIDGET_ID) { - int bgId = ResourceParser.getDefaultBgId(context); - String snippet = ""; - Intent intent = new Intent(context, NoteEditActivity.class); - intent.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP); - intent.putExtra(Notes.INTENT_EXTRA_WIDGET_ID, appWidgetIds[i]); - intent.putExtra(Notes.INTENT_EXTRA_WIDGET_TYPE, getWidgetType()); - - Cursor c = getNoteWidgetInfo(context, appWidgetIds[i]); - if (c != null && c.moveToFirst()) { - if (c.getCount() > 1) { - Log.e(TAG, "Multiple message with same widget id:" + appWidgetIds[i]); + if (appWidgetIds[i] != AppWidgetManager.INVALID_APPWIDGET_ID) {// 如果小部件ID有效 + int bgId = ResourceParser.getDefaultBgId(context);// 获取默认背景ID + String snippet = "";// 初始化snippet字符串 + Intent intent = new Intent(context, NoteEditActivity.class);// 创建Intent对象，指向NoteEditActivity + intent.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);// 设置Intent标志，确保活动位于任务栈顶部 + intent.putExtra(Notes.INTENT_EXTRA_WIDGET_ID, appWidgetIds[i]);// 添加额外数据，指定小部件ID + intent.putExtra(Notes.INTENT_EXTRA_WIDGET_TYPE, getWidgetType());// 添加额外数据，指定小部件类型 + + Cursor c = getNoteWidgetInfo(context, appWidgetIds[i]);// 获取小部件信息的Cursor对象 + if (c != null && c.moveToFirst()) {// 如果Cursor不为空且移动到第一条记录 + if (c.getCount() > 1) {// 如果记录数大于1 + Log.e(TAG, "Multiple message with same widget id:" + appWidgetIds[i]);// 记录错误日志 c.close(); return; } - snippet = c.getString(COLUMN_SNIPPET); - bgId = c.getInt(COLUMN_BG_COLOR_ID); - intent.putExtra(Intent.EXTRA_UID, c.getLong(COLUMN_ID)); + snippet = c.getString(COLUMN_SNIPPET);// 获取SNIPPET列的值 + bgId = c.getInt(COLUMN_BG_COLOR_ID);// 获取BG_COLOR_ID列的值 + intent.putExtra(Intent.EXTRA_UID, c.getLong(COLUMN_ID)); // 添加额外数据，指定记录ID intent.setAction(Intent.ACTION_VIEW); } else { snippet = context.getResources().getString(R.string.widget_havenot_content); intent.setAction(Intent.ACTION_INSERT_OR_EDIT); - } + }// 设置Intent动作为ACTION_INSERT_OR_EDIT if (c != null) { c.close(); } - RemoteViews rv = new RemoteViews(context.getPackageName(), getLayoutId()); + RemoteViews rv = new RemoteViews(context.getPackageName(), getLayoutId());// 创建RemoteViews对象，指定布局ID rv.setImageViewResource(R.id.widget_bg_image, getBgResourceId(bgId)); - intent.putExtra(Notes.INTENT_EXTRA_BACKGROUND_ID, bgId); + intent.putExtra(Notes.INTENT_EXTRA_BACKGROUND_ID, bgId);// 设置背景图片资源ID /** * Generate the pending intent to start host for the widget */ PendingIntent pendingIntent = null; - if (privacyMode) { + if (privacyMode) { // 如果隐私模式 rv.setTextViewText(R.id.widget_text, - context.getString(R.string.widget_under_visit_mode)); + context.getString(R.string.widget_under_visit_mode));// 设置文本视图内容为隐私模式提示 pendingIntent = PendingIntent.getActivity(context, appWidgetIds[i], new Intent( context, NotesListActivity.class), PendingIntent.FLAG_UPDATE_CURRENT); } else { rv.setTextViewText(R.id.widget_text, snippet); pendingIntent = PendingIntent.getActivity(context, appWidgetIds[i], intent, - PendingIntent.FLAG_UPDATE_CURRENT); + PendingIntent.FLAG_UPDATE_CURRENT);// 创建PendingIntent对象，指向NoteEditActivity } - rv.setOnClickPendingIntent(R.id.widget_text, pendingIntent); + rv.setOnClickPendingIntent(R.id.widget_text, pendingIntent);// 设置文本视图的点击 appWidgetManager.updateAppWidget(appWidgetIds[i], rv); } } } - protected abstract int getBgResourceId(int bgId); + protected abstract int getBgResourceId(int bgId);// 声明抽象方法getBgResourceId，获取背景资源ID - protected abstract int getLayoutId(); + protected abstract int getLayoutId();// 声明抽象方法getLayoutId，获取布局ID - protected abstract int getWidgetType(); + protected abstract int getWidgetType();// 声明抽象方法getWidgetType }