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@ -24,6 +24,7 @@ package net.micode.notes.ui;
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* UI 元素、数据存储、后台任务处理、系统服务调用等方面的功能。
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*/
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import android.annotation.SuppressLint;
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import android.app.Activity; //表示应用程序中的一个活动，例如界面展示等
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import android.app.AlertDialog; //用于显示对话框的类
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import android.app.Dialog; //用于创建对话框的类
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@ -50,6 +51,7 @@ import android.view.Display; //表示屏幕上的显示内
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import android.view.HapticFeedbackConstants; //用于触觉反馈的常量值。
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import android.view.KeyEvent;
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import android.view.LayoutInflater; //用于动态加载 XML 布局文件。
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import android.view.Menu; //表示应用程序的菜单。
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import android.view.MenuItem; //用于表示菜单项。
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@ -123,6 +125,8 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
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NOTE_LIST, SUB_FOLDER, CALL_RECORD_FOLDER
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};
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private int mBackgroundState = -1; //定义了一个用于标识开始界面背景的变量
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private ListEditState mState; //定义了一个标识列表编辑状态的变量
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private BackgroundQueryHandler mBackgroundQueryHandler; //用于在后台执行数据库查询等操作，以避免阻塞UI线程
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@ -174,6 +178,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.note_list);
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getWindow().setBackgroundDrawableResource(R.drawable.list_background);
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initResources();
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/**
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@ -275,6 +280,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
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mContentResolver = this.getContentResolver();
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mBackgroundQueryHandler = new BackgroundQueryHandler(this.getContentResolver());
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mCurrentFolderId = Notes.ID_ROOT_FOLDER;
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//mCurrentFolderId = Notes.ID_TRASH_FOLER;
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mNotesListView = (ListView) findViewById(R.id.notes_list);
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mNotesListView.addFooterView(LayoutInflater.from(this).inflate(R.layout.note_list_footer, null),
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null, false);
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@ -416,12 +422,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
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builder.setMessage(getString(R.string.alert_message_delete_notes,
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mNotesListAdapter.getSelectedCount()));
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builder.setPositiveButton(android.R.string.ok,
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new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface dialog,
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int which) {
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batchDelete();
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}
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});
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(dialog, which) -> batchDelete());
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builder.setNegativeButton(android.R.string.cancel, null);
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builder.show();
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} else if (itemId == R.id.move) {
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@ -571,7 +572,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
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// in sync mode, we'll move the deleted note into the trash
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// folder
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if (!DataUtils.batchMoveToFolder(mContentResolver, mNotesListAdapter
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.getSelectedItemIds(), Notes.ID_TRASH_FOLER)) {
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.getSelectedItemIds(), Notes.ID_TRASH_FOLDER)) {
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Log.e(TAG, "Move notes to trash folder error, should not happens");
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}
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}
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@ -608,7 +609,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
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DataUtils.batchDeleteNotes(mContentResolver, ids);
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} else {
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// in sync mode, we'll move the deleted folder into the trash folder
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DataUtils.batchMoveToFolder(mContentResolver, ids, Notes.ID_TRASH_FOLER);
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DataUtils.batchMoveToFolder(mContentResolver, ids, Notes.ID_TRASH_FOLDER);
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}
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if (widgets != null) {
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for (AppWidgetAttribute widget : widgets) {
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@ -747,6 +748,33 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
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});
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}
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private void checkBackground(int itemId, AlertDialog.Builder bkgBuilder) {
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bkgBuilder.setTitle(getString(R.string.alert_title_check_background));
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bkgBuilder.setIcon(android.R.drawable.ic_dialog_alert);
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if (itemId == R.id.menu_MyBackground_cloud && mBackgroundState != 0) {
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bkgBuilder.setMessage(getString(R.string.alert_message_check_cloud));
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bkgBuilder.setPositiveButton(android.R.string.ok, (dialog, which) ->
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getWindow().setBackgroundDrawableResource(R.drawable.mybackground_cloud)); //采用lambda方法，更新背景
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mBackgroundState = 0;
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bkgBuilder.setNegativeButton(android.R.string.cancel, null);
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bkgBuilder.show();
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} else if (itemId == R.id.menu_MyBackground_lake && mBackgroundState != 1) {
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bkgBuilder.setMessage(getString(R.string.alert_message_check_lake));
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bkgBuilder.setPositiveButton(android.R.string.ok, (dialog, which) ->
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getWindow().setBackgroundDrawableResource(R.drawable.mybackground_lake));
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bkgBuilder.setNegativeButton(android.R.string.cancel, null);
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mBackgroundState = 1;
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bkgBuilder.show();
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} else if (itemId == R.id.menu_MyBackground_gril && mBackgroundState != 2) {
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bkgBuilder.setMessage(getString(R.string.alert_message_check_girl));
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bkgBuilder.setPositiveButton(android.R.string.ok, (dialog, which) ->
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getWindow().setBackgroundDrawableResource(R.drawable.mybackground_girl));
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bkgBuilder.setNegativeButton(android.R.string.cancel, null);
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mBackgroundState = 2;
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bkgBuilder.show();
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}
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}
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@Override
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public void onBackPressed() {
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switch (mState) {
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@ -864,6 +892,12 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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int itemId = item.getItemId();
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/**
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* 用于切换背景的弹窗
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*/
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AlertDialog.Builder bkgBuilder = new AlertDialog.Builder(NotesListActivity.this);
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if (itemId == R.id.menu_new_folder) {
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showCreateOrModifyFolderDialog(true);
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} else if (itemId == R.id.menu_export_text) {
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@ -884,7 +918,13 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
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createNewNote();
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} else if (itemId == R.id.menu_search) {
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onSearchRequested();
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}
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} else if (itemId == R.id.menu_MyBackground_cloud) { //给便签软件换开始界面
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checkBackground(itemId, bkgBuilder);
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} else if (itemId == R.id.menu_MyBackground_lake) {
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checkBackground(itemId, bkgBuilder);
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} else if (itemId == R.id.menu_MyBackground_gril) {
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checkBackground(itemId, bkgBuilder);
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}
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return true;
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}
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@ -935,7 +975,6 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
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}.execute();
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}
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private boolean isSyncMode() {
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return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0;
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}
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@ -999,7 +1038,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
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selection,
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new String[] {
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String.valueOf(Notes.TYPE_FOLDER),
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String.valueOf(Notes.ID_TRASH_FOLER),
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String.valueOf(Notes.ID_TRASH_FOLDER),
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String.valueOf(mCurrentFolderId)
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},
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NoteColumns.MODIFIED_DATE + " DESC");
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