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修改UI/NoteListActivity部分

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Osako 1 year ago
parent 8e732d5050
commit 7622696af3
1 changed files with 119 additions and 182 deletions
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301
MiNote/app/src/main/java/net/micode/notes/ui/NotesListActivity.java
Unescape View File

@ -1,19 +1,3 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.ui;
import android.app.Activity;
@ -60,8 +44,6 @@ import android.widget.PopupMenu;
import android.widget.TextView;
import android.widget.Toast;
import androidx.appcompat.app.AppCompatActivity;
import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns;
@ -79,10 +61,12 @@ import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.HashSet;
public class NotesListActivity extends AppCompatActivity implements OnClickListener, OnItemLongClickListener {
// 首页界面切换
private int mode = 1;
//主界面，一进入就是这个界面
/**
* @author k
*
*/
public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener { //没有用特定的标签加注释。。。感觉没有什么用
private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0;
private static final int FOLDER_LIST_QUERY_TOKEN = 1;
@ -93,9 +77,7 @@ public class NotesListActivity extends AppCompatActivity implements OnClickListe
private static final int MENU_FOLDER_CHANGE_NAME = 2;
private static final String PREFERENCE_ADD_INTRODUCTION = "net.micode.notes.introduction";
public static int secret_mode = 0;
private static final String PREFERENCE_ADD_INTRODUCTION = "net.micode.notes.introduction"; //单行超过80个字符
private enum ListEditState {
NOTE_LIST, SUB_FOLDER, CALL_RECORD_FOLDER
@ -142,10 +124,14 @@ public class NotesListActivity extends AppCompatActivity implements OnClickListe
private final static int REQUEST_CODE_NEW_NODE = 103;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// 创建类
protected void onCreate(final Bundle savedInstanceState) { //需要是final类型 根据程序上下文环境，Java关键字final有“这是无法改变的”或者“终态的”含义，它可以修饰非抽象类、非抽象类成员方法和变量。你可能出于两种理解而需要阻止改变：设计或效率。
// final类不能被继承，没有子类，final类中的方法默认是final的。
//final方法不能被子类的方法覆盖，但可以被继承。
//final成员变量表示常量，只能被赋值一次，赋值后值不再改变。
//final不能用于修饰构造方法。
super.onCreate(savedInstanceState); // 调用父类的onCreate函数
setContentView(R.layout.note_list);
getWindow().setBackgroundDrawableResource(R.drawable.flower);
initResources();
/**
@ -155,26 +141,32 @@ public class NotesListActivity extends AppCompatActivity implements OnClickListe
}
@Override
// 返回一些子模块完成的数据交给主Activity处理
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// 结果值 和 要求值 符合要求
if (resultCode == RESULT_OK
&& (requestCode == REQUEST_CODE_OPEN_NODE || requestCode == REQUEST_CODE_NEW_NODE)) {
mNotesListAdapter.changeCursor(null);
} else {
super.onActivityResult(requestCode, resultCode, data);
// 调用 Activity 的onActivityResult（）
}
}
private void setAppInfoFromRawRes() {
// Android平台给我们提供了一个SharedPreferences类，它是一个轻量级的存储类，特别适合用于保存软件配置参数。
SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);
if (!sp.getBoolean(PREFERENCE_ADD_INTRODUCTION, false)) {
StringBuilder sb = new StringBuilder();
InputStream in = null;
try {
in = getResources().openRawResource(R.raw.introduction);
// 把资源文件放到应用程序的/raw/raw下，那么就可以在应用中使用getResources获取资源后,
// 以openRawResource方法（不带后缀的资源文件名）打开这个文件。
in = getResources().openRawResource(R.raw.introduction);
if (in != null) {
InputStreamReader isr = new InputStreamReader(in);
BufferedReader br = new BufferedReader(isr);
char [] buf = new char[1024];
char [] buf = new char[1024]; // 自行定义的数值，使用者不知道有什么意义
int len = 0;
while ((len = br.read(buf)) > 0) {
sb.append(buf, 0, len);
@ -187,7 +179,7 @@ public class NotesListActivity extends AppCompatActivity implements OnClickListe
e.printStackTrace();
return;
} finally {
if(in != null) {
if (in != null) {
try {
in.close();
} catch (IOException e) {
@ -197,11 +189,13 @@ public class NotesListActivity extends AppCompatActivity implements OnClickListe
}
}
// 创建空的WorkingNote
WorkingNote note = WorkingNote.createEmptyNote(this, Notes.ID_ROOT_FOLDER,
AppWidgetManager.INVALID_APPWIDGET_ID, Notes.TYPE_WIDGET_INVALIDE,
ResourceParser.RED);
note.setWorkingText(sb.toString());
if (note.saveNote()) {
// 更新保存note的信息
sp.edit().putBoolean(PREFERENCE_ADD_INTRODUCTION, true).commit();
} else {
Log.e(TAG, "Save introduction note error");
@ -216,18 +210,21 @@ public class NotesListActivity extends AppCompatActivity implements OnClickListe
startAsyncNotesListQuery();
}
// 初始化资源
private void initResources() {
mContentResolver = this.getContentResolver();
mContentResolver = this.getContentResolver(); // 获取应用程序的数据，得到类似数据表的东西
mBackgroundQueryHandler = new BackgroundQueryHandler(this.getContentResolver());
mCurrentFolderId = Notes.ID_ROOT_FOLDER;
mNotesListView = (ListView) findViewById(R.id.notes_list);
// findViewById 是安卓编程的定位函数，主要是引用.R文件里的引用名
mNotesListView = (ListView) findViewById(R.id.notes_list); // 绑定XML中的ListView，作为Item的容器
mNotesListView.addFooterView(LayoutInflater.from(this).inflate(R.layout.note_list_footer, null),
null, false);
mNotesListView.setOnItemClickListener(new OnListItemClickListener());
mNotesListView.setOnItemLongClickListener(this);
mNotesListAdapter = new NotesListAdapter(this);
mNotesListView.setAdapter(mNotesListAdapter);
mAddNewNote = (Button) findViewById(R.id.btn_new_note);
mAddNewNote = (Button) findViewById(R.id.btn_new_note);// 在activity中要获取该按钮
mAddNewNote.setOnClickListener(this);
mAddNewNote.setOnTouchListener(new NewNoteOnTouchListener());
mDispatch = false;
@ -238,6 +235,7 @@ public class NotesListActivity extends AppCompatActivity implements OnClickListe
mModeCallBack = new ModeCallback();
}
// 继承自ListView.MultiChoiceModeListener 和 OnMenuItemClickListener
private class ModeCallback implements ListView.MultiChoiceModeListener, OnMenuItemClickListener {
private DropdownMenu mDropDownMenu;
private ActionMode mActionMode;
@ -266,7 +264,7 @@ public class NotesListActivity extends AppCompatActivity implements OnClickListe
(Button) customView.findViewById(R.id.selection_menu),
R.menu.note_list_dropdown);
mDropDownMenu.setOnDropdownMenuItemClickListener(new PopupMenu.OnMenuItemClickListener(){
public boolean onMenuItemClick(MenuItem item) {
public boolean onMenuItemClick(final MenuItem item) {
mNotesListAdapter.selectAll(!mNotesListAdapter.isAllSelected());
updateMenu();
return true;
@ -276,11 +274,12 @@ public class NotesListActivity extends AppCompatActivity implements OnClickListe
return true;
}
// 更新菜单
private void updateMenu() {
int selectedCount = mNotesListAdapter.getSelectedCount();
// Update dropdown menu
String format = getResources().getString(R.string.menu_select_title, selectedCount);
mDropDownMenu.setTitle(format);
mDropDownMenu.setTitle(format); // 更改标题
MenuItem item = mDropDownMenu.findItem(R.id.action_select_all);
if (item != null) {
if (mNotesListAdapter.isAllSelected()) {
@ -314,7 +313,7 @@ public class NotesListActivity extends AppCompatActivity implements OnClickListe
}
public void onItemCheckedStateChanged(ActionMode mode, int position, long id,
boolean checked) {
boolean checked) {
mNotesListAdapter.setCheckedItem(position, checked);
updateMenu();
}
@ -332,14 +331,14 @@ public class NotesListActivity extends AppCompatActivity implements OnClickListe
builder.setTitle(getString(R.string.alert_title_delete));
builder.setIcon(android.R.drawable.ic_dialog_alert);
builder.setMessage(getString(R.string.alert_message_delete_notes,
mNotesListAdapter.getSelectedCount()));
mNotesListAdapter.getSelectedCount()));
builder.setPositiveButton(android.R.string.ok,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int which) {
batchDelete();
}
});
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int which) {
batchDelete();
}
});
builder.setNegativeButton(android.R.string.cancel, null);
builder.show();
break;
@ -373,7 +372,7 @@ public class NotesListActivity extends AppCompatActivity implements OnClickListe
/**
* HACKME:When click the transparent part of "New Note" button, dispatch
* the event to the list view behind this button. The transparent part of
* "New Note" button could be expressed by formula y=-0.12x+94（Unit:pixel）
* "New Note" button could be expressed by formula y=-0.12x+94锛圲nit:pixel锛<EFBFBD>
* and the line top of the button. The coordinate based on left of the "New
* Note" button. The 94 represents maximum height of the transparent part.
* Notice that, if the background of the button changes, the formula should
@ -418,35 +417,10 @@ public class NotesListActivity extends AppCompatActivity implements OnClickListe
private void startAsyncNotesListQuery() {
String selection = (mCurrentFolderId == Notes.ID_ROOT_FOLDER) ? ROOT_FOLDER_SELECTION
: NORMAL_SELECTION;
if(secret_mode == 0) {
mBackgroundQueryHandler.startQuery(FOLDER_NOTE_LIST_QUERY_TOKEN, null,
Notes.CONTENT_NOTE_URI, NoteItemData.PROJECTION, selection, new String[]{
String.valueOf(mCurrentFolderId)
}, NoteColumns.TYPE + " DESC," + NoteColumns.MODIFIED_DATE + " DESC");
}
else{
String str1 = "11111";
String [] PROJECTION = new String [] { //定义一个新的PROJECTION数组，只换掉SNIPPET
NoteColumns.ID,
NoteColumns.ALERTED_DATE,
NoteColumns.BG_COLOR_ID,
NoteColumns.CREATED_DATE,
NoteColumns.HAS_ATTACHMENT,
NoteColumns.MODIFIED_DATE,
NoteColumns.NOTES_COUNT,
NoteColumns.PARENT_ID,
// NoteColumns.SNIPPET,
str1,
NoteColumns.TYPE,
NoteColumns.WIDGET_ID,
NoteColumns.WIDGET_TYPE,
};
mBackgroundQueryHandler.startQuery(FOLDER_NOTE_LIST_QUERY_TOKEN, null,
Notes.CONTENT_NOTE_URI, PROJECTION, selection, new String[]{
String.valueOf(mCurrentFolderId)
}, NoteColumns.TYPE + " DESC," + NoteColumns.MODIFIED_DATE + " DESC");
}
mBackgroundQueryHandler.startQuery(FOLDER_NOTE_LIST_QUERY_TOKEN, null,
Notes.CONTENT_NOTE_URI, NoteItemData.PROJECTION, selection, new String[] {
String.valueOf(mCurrentFolderId)
}, NoteColumns.TYPE + " DESC," + NoteColumns.MODIFIED_DATE + " DESC");
}
private final class BackgroundQueryHandler extends AsyncQueryHandler {
@ -656,7 +630,7 @@ public class NotesListActivity extends AppCompatActivity implements OnClickListe
values.put(NoteColumns.LOCAL_MODIFIED, 1);
mContentResolver.update(Notes.CONTENT_NOTE_URI, values, NoteColumns.ID
+ "=?", new String[] {
String.valueOf(mFocusNoteDataItem.getId())
String.valueOf(mFocusNoteDataItem.getId())
});
}
} else if (!TextUtils.isEmpty(name)) {
@ -696,30 +670,38 @@ public class NotesListActivity extends AppCompatActivity implements OnClickListe
});
}
/* (non-Javadoc)
* @see android.app.Activity#onBackPressed()
* 按返回键时根据情况更改类中的数据
*/
@Override
public void onBackPressed() {
switch (mState) {
case SUB_FOLDER:
mCurrentFolderId = Notes.ID_ROOT_FOLDER;
mState = ListEditState.NOTE_LIST;
startAsyncNotesListQuery();
mTitleBar.setVisibility(View.GONE);
break;
case CALL_RECORD_FOLDER:
mCurrentFolderId = Notes.ID_ROOT_FOLDER;
mState = ListEditState.NOTE_LIST;
mAddNewNote.setVisibility(View.VISIBLE);
mTitleBar.setVisibility(View.GONE);
startAsyncNotesListQuery();
break;
case NOTE_LIST:
super.onBackPressed();
break;
default:
break;
}
public void onBackPressed() { switch (mState) {
case SUB_FOLDER:
mCurrentFolderId = Notes.ID_ROOT_FOLDER;
mState = ListEditState.NOTE_LIST;
startAsyncNotesListQuery();
mTitleBar.setVisibility(View.GONE);
break;
case CALL_RECORD_FOLDER:
mCurrentFolderId = Notes.ID_ROOT_FOLDER;
mState = ListEditState.NOTE_LIST;
mAddNewNote.setVisibility(View.VISIBLE);
mTitleBar.setVisibility(View.GONE);
startAsyncNotesListQuery();
break;
case NOTE_LIST:
super.onBackPressed();
break;
default:
break;
}
}
/**
* @param appWidgetId
* @param appWidgetType
* 根据不同类型的widget更新插件，通过intent传送数据
*/
private void updateWidget(int appWidgetId, int appWidgetType) {
Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
if (appWidgetType == Notes.TYPE_WIDGET_2X) {
@ -732,13 +714,16 @@ public class NotesListActivity extends AppCompatActivity implements OnClickListe
}
intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] {
appWidgetId
appWidgetId
});
sendBroadcast(intent);
setResult(RESULT_OK, intent);
}
/**
* 声明监听器，建立菜单，包括名称，视图，删除操作，更改名称操作；
*/
private final OnCreateContextMenuListener mFolderOnCreateContextMenuListener = new OnCreateContextMenuListener() {
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
if (mFocusNoteDataItem != null) {
@ -758,6 +743,10 @@ public class NotesListActivity extends AppCompatActivity implements OnClickListe
super.onContextMenuClosed(menu);
}
/* (non-Javadoc)
* @see android.app.Activity#onContextItemSelected(android.view.MenuItem)
* 针对menu中不同的选择进行不同的处理，里面详细注释
*/
@Override
public boolean onContextItemSelected(MenuItem item) {
if (mFocusNoteDataItem == null) {
@ -766,10 +755,10 @@ public class NotesListActivity extends AppCompatActivity implements OnClickListe
}
switch (item.getItemId()) {
case MENU_FOLDER_VIEW:
openFolder(mFocusNoteDataItem);
openFolder(mFocusNoteDataItem);//打开对应文件
break;
case MENU_FOLDER_DELETE:
AlertDialog.Builder builder = new AlertDialog.Builder(this);
AlertDialog.Builder builder = new AlertDialog.Builder(this);//设置确认是否删除的对话框
builder.setTitle(getString(R.string.alert_title_delete));
builder.setIcon(android.R.drawable.ic_dialog_alert);
builder.setMessage(getString(R.string.alert_message_delete_folder));
@ -780,7 +769,7 @@ public class NotesListActivity extends AppCompatActivity implements OnClickListe
}
});
builder.setNegativeButton(android.R.string.cancel, null);
builder.show();
builder.show();//显示对话框
break;
case MENU_FOLDER_CHANGE_NAME:
showCreateOrModifyFolderDialog(false);
@ -795,13 +784,8 @@ public class NotesListActivity extends AppCompatActivity implements OnClickListe
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
menu.clear();
if (mState == ListEditState.NOTE_LIST) {
getMenuInflater().inflate(R.menu.note_list, menu);
if (secret_mode == 1)
menu.findItem(R.id.menu_secret).setVisible(false);
else
menu.findItem(R.id.menu_quit_secret).setVisible(false);
// set sync or sync_cancel
menu.findItem(R.id.menu_sync).setTitle(
GTaskSyncService.isSyncing() ? R.string.menu_sync_cancel : R.string.menu_sync);
@ -812,14 +796,6 @@ public class NotesListActivity extends AppCompatActivity implements OnClickListe
} else {
Log.e(TAG, "Wrong state:" + mState);
}
if (mode == 1) {
menu.findItem(R.id.menu_flower).setVisible(false);
} else if (mode == 0) {
menu.findItem(R.id.menu_saying).setVisible(false);
} else if (mode == -1) {
menu.findItem(R.id.menu_water).setVisible(false);
}
return true;
}
@ -854,87 +830,28 @@ public class NotesListActivity extends AppCompatActivity implements OnClickListe
createNewNote();
break;
}
case R.id.menu_search: {
case R.id.menu_search:
onSearchRequested();
break;
}
case R.id.menu_secret: { //进入私密模式
AlertDialog.Builder dialog = new AlertDialog.Builder(NotesListActivity.this);
dialog.setTitle("重要提醒");
dialog.setMessage("您确认进入私密模式吗？");
dialog.setCancelable(false);
dialog.setPositiveButton("确认", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
secret_mode = 1;
startAsyncNotesListQuery();
Toast.makeText(NotesListActivity.this,"您已进入私密模式",Toast.LENGTH_SHORT).show();
}
});
dialog.setNegativeButton("取消", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which){
secret_mode = 0;
startAsyncNotesListQuery();
}
});
dialog.show();
// Toast.makeText(this,"您已进入私密模式",Toast.LENGTH_SHORT).show();
break;
}
case R.id.menu_quit_secret:{ //退出私密模式
AlertDialog.Builder dialog = new AlertDialog.Builder(NotesListActivity.this);
dialog.setTitle("重要提醒");
dialog.setMessage("您确认退出私密模式吗？");
dialog.setCancelable(false);
dialog.setPositiveButton("确认", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
secret_mode = 0;
startAsyncNotesListQuery();
Toast.makeText(NotesListActivity.this,"您已退出私密模式",Toast.LENGTH_SHORT).show();
}
});
dialog.setNegativeButton("取消", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which){
secret_mode = 1;
startAsyncNotesListQuery();
}
});
dialog.show();
break;
}
case R.id.menu_flower:{
mode = 1;
getWindow().setBackgroundDrawableResource(R.drawable.flower);
break;
}
case R.id.menu_saying:{
mode = 0;
getWindow().setBackgroundDrawableResource(R.drawable.mountain);
break;
}
case R.id.menu_water:{
mode = -1;
getWindow().setBackgroundDrawableResource(R.drawable.water);
break;
}
default:
break;
}
return true;
}
/* (non-Javadoc)
* @see android.app.Activity#onSearchRequested()
* 直接调用startSearch函数
*/
@Override
public boolean onSearchRequested() {
startSearch(null, false, null /* appData */, false);
return true;
}
/**
* 函数功能：实现将便签导出到文本功能
*/
private void exportNoteToText() {
final BackupUtils backup = BackupUtils.getInstance(NotesListActivity.this);
new AsyncTask<Void, Void, Integer>() {
@ -977,16 +894,27 @@ public class NotesListActivity extends AppCompatActivity implements OnClickListe
}.execute();
}
/**
* @return
* 功能：判断是否正在同步
*/
private boolean isSyncMode() {
return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0;
}
/**
* 功能：跳转到PreferenceActivity界面
*/
private void startPreferenceActivity() {
Activity from = getParent() != null ? getParent() : this;
Intent intent = new Intent(from, NotesPreferenceActivity.class);
from.startActivityIfNeeded(intent, -1);
}
/**
* @author k
* 函数功能：实现对便签列表项的点击事件（短按）
*/
private class OnListItemClickListener implements OnItemClickListener {
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
@ -1028,10 +956,13 @@ public class NotesListActivity extends AppCompatActivity implements OnClickListe
}
/**
* 查询目标文件
*/
private void startQueryDestinationFolders() {
String selection = NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>? AND " + NoteColumns.ID + "<>?";
selection = (mState == ListEditState.NOTE_LIST) ? selection:
"(" + selection + ") OR (" + NoteColumns.ID + "=" + Notes.ID_ROOT_FOLDER + ")";
"(" + selection + ") OR (" + NoteColumns.ID + "=" + Notes.ID_ROOT_FOLDER + ")";
mBackgroundQueryHandler.startQuery(FOLDER_LIST_QUERY_TOKEN,
null,
@ -1046,6 +977,12 @@ public class NotesListActivity extends AppCompatActivity implements OnClickListe
NoteColumns.MODIFIED_DATE + " DESC");
}
/* (non-Javadoc)
* @see android.widget.AdapterView.OnItemLongClickListener#onItemLongClick(android.widget.AdapterView, android.view.View, int, long)
* 长按某一项时进行的操作
* 如果长按的是便签，则通过ActionMode菜单实现；如果长按的是文件夹，则通过ContextMenu菜单实现；
* 具体ActionMOde菜单和ContextMenu菜单的详细见精度笔记
*/
public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
if (view instanceof NotesListItem) {
mFocusNoteDataItem = ((NotesListItem) view).getItemData();
@ -1062,4 +999,4 @@ public class NotesListActivity extends AppCompatActivity implements OnClickListe
}
return false;
}
}
}
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