@ -19,22 +19,38 @@ package net.micode.notes.ui;
import android.app.Activity ;
import android.app.AlarmManager ;
import android.app.AlertDialog ;
import android.app.Dialog ;
import android.app.PendingIntent ;
import android.app.SearchManager ;
import android.appwidget.AppWidgetManager ;
import android.content.ContentResolver ;
import android.content.ContentUris ;
import android.content.ContentValues ;
import android.content.Context ;
import android.content.DialogInterface ;
import android.content.Intent ;
import android.content.SharedPreferences ;
import android.database.Cursor ;
import android.graphics.Bitmap ;
import android.graphics.BitmapFactory ;
import android.graphics.Paint ;
import android.graphics.Typeface ;
import android.net.Uri ;
import android.os.Build ;
import android.os.Bundle ;
import android.preference.PreferenceManager ;
import android.provider.DocumentsContract ;
import android.provider.MediaStore ;
import android.speech.tts.TextToSpeech ;
import android.support.annotation.RequiresApi ;
import android.text.Editable ;
import android.text.Spannable ;
import android.text.SpannableString ;
import android.text.TextUtils ;
import android.text.TextWatcher ;
import android.text.format.DateUtils ;
import android.text.style.BackgroundColorSpan ;
import android.text.style.ImageSpan ;
import android.util.Log ;
import android.view.LayoutInflater ;
import android.view.Menu ;
@ -43,10 +59,12 @@ import android.view.MotionEvent;
import android.view.View ;
import android.view.View.OnClickListener ;
import android.view.WindowManager ;
import android.widget.Button ;
import android.widget.CheckBox ;
import android.widget.CompoundButton ;
import android.widget.CompoundButton.OnCheckedChangeListener ;
import android.widget.EditText ;
import android.widget.ImageButton ;
import android.widget.ImageView ;
import android.widget.LinearLayout ;
import android.widget.TextView ;
@ -65,15 +83,32 @@ import net.micode.notes.ui.NoteEditText.OnTextViewChangeListener;
import net.micode.notes.widget.NoteWidgetProvider_2x ;
import net.micode.notes.widget.NoteWidgetProvider_4x ;
import java.io.FileNotFoundException ;
import java.util.HashMap ;
import java.util.HashSet ;
import java.util.Locale ;
import java.util.Map ;
import java.util.Stack ;
import java.util.regex.Matcher ;
import java.util.regex.Pattern ;
import net.micode.notes.translate.BaiduTranslateService ;
import net.micode.notes.translate.RespondBean ;
import net.micode.notes.translate.MD5Utils ;
import retrofit2.Call ;
import retrofit2.Callback ;
import retrofit2.Response ;
import retrofit2.Retrofit ;
import retrofit2.converter.gson.GsonConverterFactory ;
import android.speech.tts.TextToSpeech.OnInitListener ;
public class NoteEditActivity extends Activity implements OnClickListener ,
NoteSettingChangedListener , OnTextViewChangeListener {
public static void setmChanged ( Stack mChanged ) {
NoteEditActivity . mChanged = mChanged ;
}
private class HeadViewHolder {
public TextView tvModified ;
@ -149,22 +184,338 @@ public class NoteEditActivity extends Activity implements OnClickListener,
private String mUserQuery ;
private Pattern mPattern ;
private CharSequence restore_translate = null ;
private boolean mIsRvoke = false ;
private TextToSpeech mTTS ;
private static Stack mChanged ;
private final int PHOTO_REQUEST = 1 ;
private Dialog alertDialog2 ;
Context context ;
private static final int MAX_TIME_OF_RVOKE_TIME = 100 ;
private final int MAX_OF_RVOKE_TIME = 100 ;
public void translateChtoEn ( ) {
//准备请求百度翻译接口需要的参数
final EditText editable = findViewById ( R . id . note_edit_view ) ;
String word = editable . getText ( ) . toString ( ) ;
word = word . replaceAll ( "\\n" , "//" ) ;
String from = "auto" ; //源语种 en 英语 zh 中文
//String中英文占用一个字节， ，
//利用String的这个存储特性可以用来判断String中有没有中文。
// to = "zh"; //没有汉字 英译中
String to = "en" ; //含有汉字 中译英
String appid = "20240103001929054" ; //appid 管理控制台有
String salt = ( int ) ( Math . random ( ) * 100 + 1 ) + "" ; //随机数这里范围是[0,100]整数无强制要求
String key = "Xa_yB5ihrTIaG8Nlv4S6" ; //密钥 管理控制台有
String secretKey = appid + word + salt + key ; // secretKey = appid+q+salt+密钥
String sign = MD5Utils . getMD5Code ( secretKey ) ; // 签名 = secretKey 的MD5加密32位字母小写
Log . d ( TAG , "secretKey： + secretKey ) ;
Log . d ( TAG , "sign: " + sign ) ;
Retrofit retrofitBaidu = new Retrofit . Builder ( )
. baseUrl ( "https://fanyi-api.baidu.com/api/trans/vip/" )
. addConverterFactory ( GsonConverterFactory . create ( ) ) // 设置数据解析器
. build ( ) ;
BaiduTranslateService baiduTranslateService = retrofitBaidu . create ( BaiduTranslateService . class ) ;
retrofit2 . Call < RespondBean > call = baiduTranslateService . translate ( word , from , to , appid , salt , sign ) ;
call . enqueue ( new Callback < RespondBean > ( ) {
@Override
public void onResponse ( Call < RespondBean > call , Response < RespondBean > response ) {
//请求成功
Log . d ( TAG , "onResponse: 请求成功" ) ;
RespondBean respondBean = response . body ( ) ; //返回的JSON字符串对应的对象
String result = respondBean . getTrans_result ( ) . get ( 0 ) . getDst ( ) ; //获取翻译的字符串String
editable . setText ( result ) ;
Log . d ( TAG , "中译英结果" + result ) ;
}
@Override
public void onFailure ( Call < RespondBean > call , Throwable t ) {
//请求失败 打印异常
Log . d ( TAG , "onResponse: 请求失败 " + t ) ;
}
} ) ;
}
public void translateEntoCh ( ) {
//准备请求百度翻译接口需要的参数
final EditText editable = findViewById ( R . id . note_edit_view ) ;
String word = editable . getText ( ) . toString ( ) ;
word = word . replaceAll ( "\\n" , "//" ) ;
Log . d ( TAG , word ) ;
String from = "auto" ; //源语种 en 英语 zh 中文
//String中英文占用一个字节， ，
//利用String的这个存储特性可以用来判断String中有没有中文。
// to = "zh"; //没有汉字 英译中
String to = "zh" ; //含有汉字 英译中
String appid = "20240103001929054" ; //appid 管理控制台有
String salt = ( int ) ( Math . random ( ) * 100 + 1 ) + "" ; //随机数这里范围是[0,100]整数无强制要求
String key = "Xa_yB5ihrTIaG8Nlv4S6" ; //密钥 管理控制台有
String secretKey = appid + word + salt + key ; // secretKey = appid+q+salt+密钥
String sign = MD5Utils . getMD5Code ( secretKey ) ; // 签名 = secretKey 的MD5加密32位字母小写
Log . d ( TAG , "secretKey： + secretKey ) ;
Log . d ( TAG , "sign: " + sign ) ;
Retrofit retrofitBaidu = new Retrofit . Builder ( )
. baseUrl ( "https://fanyi-api.baidu.com/api/trans/vip/" )
. addConverterFactory ( GsonConverterFactory . create ( ) ) // 设置数据解析器
. build ( ) ;
BaiduTranslateService baiduTranslateService = retrofitBaidu . create ( BaiduTranslateService . class ) ;
retrofit2 . Call < RespondBean > call = baiduTranslateService . translate ( word , from , to , appid , salt , sign ) ;
call . enqueue ( new Callback < RespondBean > ( ) {
@Override
public void onResponse ( Call < RespondBean > call , Response < RespondBean > response ) {
//请求成功
Log . d ( TAG , "onResponse: 请求成功" ) ;
RespondBean respondBean = response . body ( ) ; //返回的JSON字符串对应的对象
String result = respondBean . getTrans_result ( ) . get ( 0 ) . getDst ( ) ; //获取翻译的字符串String
editable . setText ( result ) ;
Log . d ( TAG , "英译中结果" + result ) ;
}
@Override
public void onFailure ( Call < RespondBean > call , Throwable t ) {
//请求失败 打印异常
Log . d ( TAG , "onResponse: 请求失败 " + t ) ;
}
} ) ;
}
public void doTranslate ( ) {
final EditText editable = findViewById ( R . id . note_edit_view ) ;
final Button get_local = findViewById ( R . id . translate ) ; //R.id.translate是定义在界面左上角的按钮
get_local . setOnClickListener ( new OnClickListener ( ) { //如果点击按钮，则触发
@Override
public void onClick ( final View v ) {
Button trans1 = new Button ( NoteEditActivity . this ) ; //三个功能的按钮
Button trans2 = new Button ( NoteEditActivity . this ) ;
Button trans3 = new Button ( NoteEditActivity . this ) ;
trans1 . setText ( "中文翻译为英文" ) ;
trans2 . setText ( "英文翻译为中文" ) ;
trans3 . setText ( "还原" ) ;
LinearLayout linear = new LinearLayout ( NoteEditActivity . this ) ; //定义线性表结构
linear . setOrientation ( LinearLayout . VERTICAL ) ; //设置为垂直结构
linear . addView ( trans1 ) ; //将三个按钮添加到线性表中
linear . addView ( trans2 ) ;
linear . addView ( trans3 ) ;
AlertDialog . Builder builder = new AlertDialog . Builder ( NoteEditActivity . this ) ; //定义一个AlertDialog生成器
builder . setView ( linear ) ; //附上线性表结构
builder . setTitle ( "请选择翻译模式" ) ; //提示语句
AlertDialog choose_trans = builder . create ( ) ; //生成一个AlertDialog的对话框
choose_trans . show ( ) ; //展示
trans1 . setOnClickListener ( new OnClickListener ( ) { //如果点击第一个按钮，则触发
@Override
public void onClick ( View v ) {
restore_translate = editable . getText ( ) ;
Log . d ( TAG , "666" + restore_translate ) ;
choose_trans . dismiss ( ) ;
if ( restore_translate = = null ) {
Toast . makeText ( NoteEditActivity . this , "当前无可翻译内容" , Toast . LENGTH_SHORT ) . show ( ) ;
}
else {
translateChtoEn ( ) ;
Toast . makeText ( NoteEditActivity . this , "中文翻译为英文" , Toast . LENGTH_SHORT ) . show ( ) ;
}
}
} ) ;
trans2 . setOnClickListener ( new OnClickListener ( ) { //如果点击第二个按钮，则触发
@Override
public void onClick ( View v ) {
restore_translate = editable . getText ( ) ;
Log . d ( TAG , "666" + restore_translate ) ;
choose_trans . dismiss ( ) ;
if ( restore_translate = = null ) {
Toast . makeText ( NoteEditActivity . this , "当前无可翻译内容" , Toast . LENGTH_SHORT ) . show ( ) ;
}
else {
translateEntoCh ( ) ;
Toast . makeText ( NoteEditActivity . this , "英文翻译为中文" , Toast . LENGTH_SHORT ) . show ( ) ;
}
}
} ) ;
trans3 . setOnClickListener ( new OnClickListener ( ) { //如果点击第三个按钮，则触发
@Override
public void onClick ( View v ) {
choose_trans . dismiss ( ) ;
Log . d ( TAG , "666" + restore_translate ) ;
if ( restore_translate = = null | |
restore_translate . toString ( ) . equals ( editable . getText ( ) . toString ( ) ) ) {
Toast . makeText ( NoteEditActivity . this , "无可还原内容" , Toast . LENGTH_SHORT ) . show ( ) ;
} else {
editable . setText ( restore_translate ) ;
Toast . makeText ( NoteEditActivity . this , "已还原" , Toast . LENGTH_SHORT ) . show ( ) ; //功能语句
}
}
} ) ;
}
} ) ;
}
//图片地址转换为图片
private void convertToImage ( ) {
NoteEditText noteEditText = ( NoteEditText ) findViewById ( R . id . note_edit_view ) ;
Editable editable = noteEditText . getText ( ) ;
String noteText = editable . toString ( ) ;
int length = editable . length ( ) ;
for ( int i = 0 ; i < length ; i + + ) {
for ( int j = i ; j < length ; j + + ) {
String img_fragment = noteText . substring ( i , j + 1 ) ;
if ( img_fragment . length ( ) > 15 & & img_fragment . endsWith ( "[/local]" ) & & img_fragment . startsWith ( "[local]" ) ) {
int limit = 7 ;
int len = img_fragment . length ( ) - 15 ;
String path = img_fragment . substring ( limit , limit + len ) ;
Bitmap bitmap = null ;
Log . d ( TAG , "图片的路径是：" + path ) ;
try {
bitmap = BitmapFactory . decodeFile ( path ) ;
} catch ( Exception e ) {
e . printStackTrace ( ) ;
}
if ( bitmap ! = null ) {
Log . d ( TAG , "图片不为null" ) ;
ImageSpan imageSpan = new ImageSpan ( NoteEditActivity . this , bitmap ) ;
String ss = "[local]" + path + "[/local]" ;
SpannableString spannableString = new SpannableString ( ss ) ;
spannableString . setSpan ( imageSpan , 0 , ss . length ( ) , Spannable . SPAN_EXCLUSIVE_EXCLUSIVE ) ;
Log . d ( TAG , "Create spannable string success!" ) ;
Editable edit_text = noteEditText . getEditableText ( ) ;
edit_text . delete ( i , i + len + 15 ) ;
edit_text . insert ( i , spannableString ) ;
}
}
}
}
}
//处理返回的数据，并将图片的路径也写入到数据库
@RequiresApi ( api = Build . VERSION_CODES . KITKAT )
protected void onActivityResult ( int requestCode , int resultCode , Intent intent ) {
super . onActivityResult ( requestCode , resultCode , intent ) ;
ContentResolver resolver = getContentResolver ( ) ;
switch ( requestCode ) {
case PHOTO_REQUEST :
Uri originalUri = intent . getData ( ) ;
Bitmap bitmap = null ;
try {
bitmap = BitmapFactory . decodeStream ( resolver . openInputStream ( originalUri ) ) ; //2.解码图片
} catch ( FileNotFoundException e ) {
Log . d ( TAG , "onActivityResult: get file_exception" ) ;
e . printStackTrace ( ) ;
}
if ( bitmap ! = null ) {
Log . d ( TAG , "onActivityResult: bitmap is not null" ) ;
ImageSpan imageSpan = new ImageSpan ( NoteEditActivity . this , bitmap ) ;
String path = getPath ( this , originalUri ) ;
String img_fragment = "[local]" + path + "[/local]" ;
SpannableString spannableString = new SpannableString ( img_fragment ) ;
spannableString . setSpan ( imageSpan , 0 , img_fragment . length ( ) , Spannable . SPAN_EXCLUSIVE_EXCLUSIVE ) ;
NoteEditText e = ( NoteEditText ) findViewById ( R . id . note_edit_view ) ;
int index = e . getSelectionStart ( ) ;
Log . d ( TAG , "Index是: " + index ) ;
Editable edit_text = e . getEditableText ( ) ;
edit_text . insert ( index , spannableString ) ;
mWorkingNote . setmContent ( e . getText ( ) . toString ( ) ) ;
ContentResolver contentResolver = getContentResolver ( ) ;
ContentValues contentValues = new ContentValues ( ) ;
final long id = mWorkingNote . getNoteId ( ) ;
contentValues . put ( "snippet" , mWorkingNote . getContent ( ) ) ;
contentResolver . update ( Uri . parse ( "content://micode_notes/note" ) , contentValues , "_id=?" , new String [ ] { "" + id } ) ;
ContentValues contentValues1 = new ContentValues ( ) ;
contentValues1 . put ( "content" , mWorkingNote . getContent ( ) ) ;
contentResolver . update ( Uri . parse ( "content://micode_notes/data" ) , contentValues1 , "mime_type=? and note_id=?" , new String [ ] { "vnd.android.cursor.item/text_note" , "" + id } ) ;
} else {
Toast . makeText ( NoteEditActivity . this , "获取图片失败" , Toast . LENGTH_SHORT ) . show ( ) ;
}
break ;
default :
break ;
}
}
@RequiresApi ( api = Build . VERSION_CODES . KITKAT )
public String getPath ( final Context context , final Uri uri ) {
final boolean isKitKat = Build . VERSION . SDK_INT > = Build . VERSION_CODES . KITKAT ;
if ( isKitKat & & DocumentsContract . isDocumentUri ( context , uri ) ) {
if ( isMediaDocument ( uri ) ) {
final String docId = DocumentsContract . getDocumentId ( uri ) ;
final String [ ] split = docId . split ( ":" ) ;
final String type = split [ 0 ] ;
Uri contentUri = null ;
if ( "image" . equals ( type ) ) {
contentUri = MediaStore . Images . Media . EXTERNAL_CONTENT_URI ;
}
final String selection = "_id=?" ;
final String [ ] selectionArgs = new String [ ] { split [ 1 ] } ;
return getDataColumn ( context , contentUri , selection , selectionArgs ) ;
}
}
// Media
else if ( "content" . equalsIgnoreCase ( uri . getScheme ( ) ) ) {
return getDataColumn ( context , uri , null , null ) ;
}
// File
else if ( "file" . equalsIgnoreCase ( uri . getScheme ( ) ) ) {
return uri . getPath ( ) ;
}
return null ;
}
public String getDataColumn ( Context context , Uri uri , String selection , String [ ] selectionArgs ) {
Cursor cursor = null ;
final String column = "_data" ;
final String [ ] projection = { column } ;
try {
cursor = context . getContentResolver ( ) . query ( uri , projection , selection , selectionArgs , null ) ;
if ( cursor ! = null & & cursor . moveToFirst ( ) ) {
final int column_index = cursor . getColumnIndexOrThrow ( column ) ;
return cursor . getString ( column_index ) ;
}
} finally {
if ( cursor ! = null ) {
cursor . close ( ) ;
}
}
return null ;
}
public boolean isMediaDocument ( Uri uri ) {
return "com.android.providers.media.documents" . equals ( uri . getAuthority ( ) ) ;
}
@Override
protected void onCreate ( Bundle savedInstanceState ) {
super . onCreate ( savedInstanceState ) ;
this . setContentView ( R . layout . note_edit ) ;
setmChanged ( new Stack < > ( ) ) ;
if ( savedInstanceState = = null & & ! initActivityState ( getIntent ( ) ) ) {
finish ( ) ;
return ;
}
initResources ( ) ;
final ImageButton add_img_btn = ( ImageButton ) findViewById ( R . id . add_img_btn ) ;
add_img_btn . setOnClickListener ( new View . OnClickListener ( ) {
@Override
public void onClick ( View view ) {
Log . d ( TAG , "onClick: click add image button" ) ;
Intent loadImage = new Intent ( Intent . ACTION_GET_CONTENT ) ;
loadImage . addCategory ( Intent . CATEGORY_OPENABLE ) ;
loadImage . setType ( "image/*" ) ;
startActivityForResult ( loadImage , PHOTO_REQUEST ) ;
}
} ) ;
}
/ * *
* Current activity may be killed when the memory is low . Once it is killed , for another time
* user load this activity , we should restore the former state
* /
//用于在Activity被系统销毁后恢复其状态
@Override
protected void onRestoreInstanceState ( Bundle savedInstanceState ) {
super . onRestoreInstanceState ( savedInstanceState ) ;
@ -179,12 +530,14 @@ public class NoteEditActivity extends Activity implements OnClickListener,
}
}
//该方法主要用于初始化Activity的状态， （ ）
private boolean initActivityState ( Intent intent ) {
/ * *
* If the user specified the { @link Intent # ACTION_VIEW } but not provided with id ,
* then jump to the NotesListActivity
* /
mWorkingNote = null ;
//打开某个笔记的操作
if ( TextUtils . equals ( Intent . ACTION_VIEW , intent . getAction ( ) ) ) {
long noteId = intent . getLongExtra ( Intent . EXTRA_UID , 0 ) ;
mUserQuery = "" ;
@ -196,7 +549,8 @@ public class NoteEditActivity extends Activity implements OnClickListener,
noteId = Long . parseLong ( intent . getStringExtra ( SearchManager . EXTRA_DATA_KEY ) ) ;
mUserQuery = intent . getStringExtra ( SearchManager . USER_QUERY ) ;
}
//DataUtils.visibleInNoteDatabase(getContentResolver(), noteId, Notes.TYPE_NOTE) 是一个方法调用
// 用于检查给定的 noteId 是否存在于笔记数据库中
if ( ! DataUtils . visibleInNoteDatabase ( getContentResolver ( ) , noteId , Notes . TYPE_NOTE ) ) {
Intent jump = new Intent ( this , NotesListActivity . class ) ;
startActivity ( jump ) ;
@ -204,6 +558,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
finish ( ) ;
return false ;
} else {
//如果指定的笔记 ID 存在于笔记数据库中，则调用 WorkingNote.load() 方法，根据指定的笔记 ID 加载笔记对象，并将结果赋值给 mWorkingNote
mWorkingNote = WorkingNote . load ( this , noteId ) ;
if ( mWorkingNote = = null ) {
Log . e ( TAG , "load note failed with note id" + noteId ) ;
@ -215,7 +570,9 @@ public class NoteEditActivity extends Activity implements OnClickListener,
WindowManager . LayoutParams . SOFT_INPUT_STATE_HIDDEN
| WindowManager . LayoutParams . SOFT_INPUT_ADJUST_RESIZE ) ;
} else if ( TextUtils . equals ( Intent . ACTION_INSERT_OR_EDIT , intent . getAction ( ) ) ) {
//需要创建或编辑一个笔记
// New note
//从 Intent 中获取一些额外的信息，如文件夹 ID、小部件 ID、小部件类型和背景资源 ID。这些信息用于确定新笔记的位置和外观。
long folderId = intent . getLongExtra ( Notes . INTENT_EXTRA_FOLDER_ID , 0 ) ;
int widgetId = intent . getIntExtra ( Notes . INTENT_EXTRA_WIDGET_ID ,
AppWidgetManager . INVALID_APPWIDGET_ID ) ;
@ -268,6 +625,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
initNoteScreen ( ) ;
}
//用于初始化笔记屏幕
private void initNoteScreen ( ) {
mNoteEditor . setTextAppearance ( this , TextAppearanceResources
. getTexAppearanceResource ( mFontSizeId ) ) ;
@ -293,6 +651,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
* is not ready
* /
showAlertHeader ( ) ;
convertToImage ( ) ;
}
private void showAlertHeader ( ) {
@ -362,7 +721,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
}
return true ;
}
//初始化一些资源
private void initResources ( ) {
mHeadViewPanel = findViewById ( R . id . note_title ) ;
mNoteHeaderHolder = new HeadViewHolder ( ) ;
@ -374,11 +733,17 @@ public class NoteEditActivity extends Activity implements OnClickListener,
mNoteEditor = ( EditText ) findViewById ( R . id . note_edit_view ) ;
mNoteEditorPanel = findViewById ( R . id . sv_note_edit ) ;
mNoteBgColorSelector = findViewById ( R . id . note_bg_color_selector ) ;
//这段代码的作用是为sBgSelectorBtnsMap中的所有ImageView对象设置点击事件监听器。
// 当某个ImageView被点击时，
//sBgSelectorBtnsMap是一个Map对象， ， ， ， ，
// 这种数据结构通常用于在Android应用中存储和操作UI元素，
// 通过键（ ） ，
// 具体来说， ，
for ( int id : sBgSelectorBtnsMap . keySet ( ) ) {
ImageView iv = ( ImageView ) findViewById ( id ) ;
iv . setOnClickListener ( this ) ;
}
mFontSizeSelector = findViewById ( R . id . font_size_selector ) ;
for ( int id : sFontSizeBtnsMap . keySet ( ) ) {
View view = findViewById ( id ) ;
@ -391,10 +756,150 @@ public class NoteEditActivity extends Activity implements OnClickListener,
* The id may larger than the length of resources , in this case ,
* return the { @link ResourceParser # BG_DEFAULT_FONT_SIZE }
* /
//这段代码是用于获取应用程序的字体大小设置
if ( mFontSizeId > = TextAppearanceResources . getResourcesSize ( ) ) {
mFontSizeId = ResourceParser . BG_DEFAULT_FONT_SIZE ;
}
mEditTextList = ( LinearLayout ) findViewById ( R . id . note_edit_list ) ;
/ *
撤 回 部 分
* /
mNoteEditor . addTextChangedListener ( new TextWatcher ( ) {
@Override
public void beforeTextChanged ( CharSequence s , int start , int count , int after )
{
}
@Override
public void onTextChanged ( CharSequence s , int start , int before , int count ) {
}
@Override
public void afterTextChanged ( Editable s ) { //文本更改后
if ( ! mIsRvoke ) {
saveMyChanged ( ) ;
} else {
mIsRvoke = false ;
}
}
} ) ;
//翻译
doTranslate ( ) ;
//朗读
mTTS = new TextToSpeech ( this , new OnInitListener ( ) {
@Override
public void onInit ( int status ) {
if ( status = = TextToSpeech . SUCCESS ) {
mTTS . setLanguage ( Locale . CHINESE ) ;
mTTS . setPitch ( 1.5f ) ; // 设置音调，值越大声音越尖(女生)，值越小则变成男声,1.0是常规
mTTS . setSpeechRate ( 0.5f ) ;
}
}
} ) ;
mHeadViewPanel = findViewById ( R . id . note_title ) ;
}
private void texttoSpeech ( ) {
mTTS . speak ( mNoteEditor . getText ( ) . toString ( ) , TextToSpeech . QUEUE_FLUSH , null , null ) ;
}
private void doRevoke ( ) {
int size = mChanged . size ( ) ; //获取当前栈大小
AlertDialog . Builder dialog = new AlertDialog . Builder ( this ) ; //创建一个alertdialog 窗口
dialog . setTitle ( R . string . tips_of_revoke ) ; //设置 title 信息
dialog . setCancelable ( true ) ; //设置为可取消
dialog . setPositiveButton ( "确定" , new DialogInterface . OnClickListener ( ) { //只需要设置一个 OK 键即可
@Override
public void onClick ( DialogInterface dialog , int which ) {
}
} ) ;
mIsRvoke = true ;
if ( size < = 1 ) { //如果栈中元素过少，打印提示信息
dialog . setMessage ( R . string . have_not_input_anything ) ; //提示用户您还没有输入任何信息
dialog . show ( ) ; //显示当前 alertdialog
return ;
}
else {
mNoteEditor . setText ( ( CharSequence ) mChanged . elementAt ( size - 2 ) ) ; //在textview 中设置撤销的内容
mNoteEditor . setSelection ( mNoteEditor . length ( ) ) ;
mChanged . removeElementAt ( size - 1 ) ; //删除元素
if ( size = = 2 ) {
dialog . setMessage ( R . string . can_not_revoke ) ; //如果只有一次操作，那么提示用户不能再撤销了
dialog . show ( ) ; //显示当前 alertdialog
}
}
}
private void saveMyChanged ( ) {
SpannableString text = new SpannableString ( mNoteEditor . getText ( ) ) ; //用 getText方法获取每次编辑的内容
if ( mChanged . size ( ) > = MAX_TIME_OF_RVOKE_TIME ) { //如果栈中的数据大于最大撤销次数，就把第一次修改的内容删除
mChanged . removeElementAt ( 0 ) ;
}
mChanged . add ( text ) ; //然后把本次修改的内容加入栈中
}
public void showSingleAlertDialog ( ) {
final String [ ] items = { "默认-普通" , "默认-非衬线" , "默认-衬线" , "默认-等宽" , "仿宋" , "黑体" , "楷体" , "隶书" , "微软雅黑" } ;
AlertDialog . Builder alertBuilder = new AlertDialog . Builder ( this ) ;
alertBuilder . setTitle ( "请选择字体" ) ;
alertBuilder . setSingleChoiceItems ( items , 0 , new DialogInterface . OnClickListener ( ) {
@Override
public void onClick ( DialogInterface dialogInterface , int i ) {
switch ( i ) {
case 0 :
mNoteEditor . setTypeface ( Typeface . DEFAULT ) ;
break ;
case 1 :
mNoteEditor . setTypeface ( Typeface . SANS_SERIF ) ;
break ;
case 2 :
mNoteEditor . setTypeface ( Typeface . SERIF ) ;
break ;
case 3 :
mNoteEditor . setTypeface ( Typeface . MONOSPACE ) ;
break ;
case 4 :
Typeface typeface0 = Typeface . createFromAsset ( getAssets ( ) , "front/simfang.ttf" ) ;
mNoteEditor . setTypeface ( typeface0 ) ;
break ;
case 5 :
Typeface typeface1 = Typeface . createFromAsset ( getAssets ( ) , "front/simhei.ttf" ) ;
mNoteEditor . setTypeface ( typeface1 ) ;
break ;
case 6 :
Typeface typeface2 = Typeface . createFromAsset ( getAssets ( ) , "front/simkai.ttf" ) ;
mNoteEditor . setTypeface ( typeface2 ) ;
break ;
case 7 :
Typeface typeface3 = Typeface . createFromAsset ( getAssets ( ) , "front/SIMLI.TTF" ) ;
mNoteEditor . setTypeface ( typeface3 ) ;
break ;
case 8 :
Typeface typeface4 = Typeface . createFromAsset ( getAssets ( ) , "front/msyh.ttc" ) ;
mNoteEditor . setTypeface ( typeface4 ) ;
break ;
}
Toast . makeText ( NoteEditActivity . this , items [ i ] , Toast . LENGTH_SHORT ) . show ( ) ;
}
} ) ;
alertBuilder . setPositiveButton ( "确定" , new DialogInterface . OnClickListener ( ) {
@Override
public void onClick ( DialogInterface dialogInterface , int i ) {
alertDialog2 . dismiss ( ) ;
}
} ) ;
alertBuilder . setNegativeButton ( "取消" , new DialogInterface . OnClickListener ( )
{
@Override
public void onClick ( DialogInterface dialogInterface , int i ) {
alertDialog2 . dismiss ( ) ;
}
} ) ;
alertDialog2 = alertBuilder . create ( ) ;
alertDialog2 . show ( ) ;
}
@Override
@ -424,13 +929,19 @@ public class NoteEditActivity extends Activity implements OnClickListener,
sendBroadcast ( intent ) ;
setResult ( RESULT_OK , intent ) ;
}
/ *
这 段 代 码 是 一 个 事 件 处 理 函 数 ， 用 于 处 理 按 钮 点 击 事 件 。 根 据 不 同 的 按 钮 ID 执 行 不 同 的 操 作 。
* /
public void onClick ( View v ) {
int id = v . getId ( ) ;
//如果按钮ID等于R.id.btn_set_bg_color，
// 此时，将背景颜色选择器的可见性设置为可见，并显示当前选中的背景颜色对应的控件
if ( id = = R . id . btn_set_bg_color ) {
mNoteBgColorSelector . setVisibility ( View . VISIBLE ) ;
findViewById ( sBgSelectorSelectionMap . get ( mWorkingNote . getBgColorId ( ) ) ) . setVisibility ( View . VISIBLE ) ;
} else if ( sBgSelectorBtnsMap . containsKey ( id ) ) {
//如果按钮ID在sBgSelectorBtnsMap中存在，
// 此时， ， ，
findViewById ( sBgSelectorSelectionMap . get ( mWorkingNote . getBgColorId ( ) ) ) . setVisibility (
View . GONE ) ;
mWorkingNote . setBgColorId ( sBgSelectorBtnsMap . get ( id ) ) ;
@ -444,8 +955,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
getWorkingText ( ) ;
switchToListMode ( mWorkingNote . getContent ( ) ) ;
} else {
mNoteEditor . setTextAppearance ( this ,
TextAppearanceResources . getTexAppearanceResource ( mFontSizeId ) ) ;
mNoteEditor . setTextAppearance ( this , TextAppearanceResources . getTexAppearanceResource ( mFontSizeId ) ) ;
}
mFontSizeSelector . setVisibility ( View . GONE ) ;
}
@ -479,6 +989,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
mHeadViewPanel . setBackgroundResource ( mWorkingNote . getTitleBgResId ( ) ) ;
}
//该方法的主要作用是根据当前的工作笔记（ ）
@Override
public boolean onPrepareOptionsMenu ( Menu menu ) {
if ( isFinishing ( ) ) {
@ -486,6 +997,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
}
clearSettingState ( ) ;
menu . clear ( ) ;
//工作笔记的文件夹ID
if ( mWorkingNote . getFolderId ( ) = = Notes . ID_CALL_RECORD_FOLDER ) {
getMenuInflater ( ) . inflate ( R . menu . call_note_edit , menu ) ;
} else {
@ -505,7 +1017,6 @@ public class NoteEditActivity extends Activity implements OnClickListener,
}
@Override
//这段代码是一个用于处理菜单项点击事件的方法onOptionsItemSelected(MenuItem item)， ， ：
public boolean onOptionsItemSelected ( MenuItem item ) {
int itemId = item . getItemId ( ) ;
if ( itemId = = R . id . menu_new_note ) {
@ -524,7 +1035,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
} ) ;
builder . setNegativeButton ( android . R . string . cancel , null ) ;
builder . show ( ) ;
} else if ( itemId = = R . id . menu_font_size ) { //修改字体的大小
} else if ( itemId = = R . id . menu_font_size ) {
mFontSizeSelector . setVisibility ( View . VISIBLE ) ;
findViewById ( sFontSelectorSelectionMap . get ( mFontSizeId ) ) . setVisibility ( View . VISIBLE ) ;
} else if ( itemId = = R . id . menu_list_mode ) {
@ -539,24 +1050,20 @@ public class NoteEditActivity extends Activity implements OnClickListener,
setReminder ( ) ;
} else if ( itemId = = R . id . menu_delete_remind ) {
mWorkingNote . setAlertDate ( 0 , false ) ;
} else if ( itemId = = R . id . menu_revoke ) {
doRevoke ( ) ;
} else if ( itemId = = R . id . menu_voice_speech ) {
Log . d ( TAG , "in" ) ;
texttoSpeech ( ) ;
} else if ( itemId = = R . id . menu_font_setting ) {
showSingleAlertDialog ( ) ;
}
return true ;
}
//onOptionsItemSelected方法是一个覆盖方法，
//
//在这段代码中， ，
//
//然后使用if-else语句对不同的菜单项进行处理。
//
//若itemId等于R.id.menu_new_note，
//若itemId等于R.id.menu_delete， ， ， ，
//若itemId等于R.id.menu_font_size， ，
//若itemId等于R.id.menu_list_mode， （ ， ， ）
//若itemId等于R.id.menu_share， ，
//若itemId等于R.id.menu_send_to_desktop，
//若itemId等于R.id.menu_alert，
//若itemId等于R.id.menu_delete_remind， ，
//最后， ，
private void setReminder ( ) {
DateTimePickerDialog d = new DateTimePickerDialog ( this , System . currentTimeMillis ( ) ) ;
d . setOnDateTimeSetListener ( new OnDateTimeSetListener ( ) {
@ -566,15 +1073,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
} ) ;
d . show ( ) ;
}
//这段代码定义了一个名为setReminder的私有方法，
//
//在方法内部， ，
//
//接着， ， ， ， ， ，
//
//最后， ，
//
//因此，这段代码用于弹出一个日期时间选择对话框，让用户设置笔记的提醒时间，并将设置的时间保存到正在编辑的笔记对象中。
/ * *
* Share note to apps that support { @link Intent # ACTION_SEND } action
* and { @text / plain } type
@ -585,49 +1084,50 @@ public class NoteEditActivity extends Activity implements OnClickListener,
intent . setType ( "text/plain" ) ;
context . startActivity ( intent ) ;
}
//这段代码是一个私有方法sendTo，
//
//在方法内部， ， ，
//
//接着， ，
//
//然后，
//
//最后， ，
//
//因此， ，
private void createNewNote ( ) { //新建便签
private void createNewNote ( ) {
// Firstly, save current editing notes
//保存当前便签
saveNote ( ) ;
// For safety, start a new NoteEditActivity
finish ( ) ;
//设置链接器
Intent intent = new Intent ( this , NoteEditActivity . class ) ;
//将该活动定义为创建或编辑
intent . setAction ( Intent . ACTION_INSERT_OR_EDIT ) ;
//将运行便签的id添加到INTENT_EXTRA_FOLDER_ID标记中
intent . putExtra ( Notes . INTENT_EXTRA_FOLDER_ID , mWorkingNote . getFolderId ( ) ) ;
//开始活动并链接
startActivity ( intent ) ;
}
private void deleteCurrentNote ( ) { //删除便签
private void deleteCurrentNote ( ) {
//假如当前运行的便签内存有数据
if ( mWorkingNote . existInDatabase ( ) ) {
HashSet < Long > ids = new HashSet < Long > ( ) ;
long id = mWorkingNote . getNoteId ( ) ;
//如果不是头文件夹建立一个hash表把便签id存起来
if ( id ! = Notes . ID_ROOT_FOLDER ) {
ids . add ( id ) ;
} else {
Log . d ( TAG , "Wrong note id, should not happen" ) ;
}
if ( ! isSyncMode ( ) ) {
//在非同步模式情况下
//删除操作
if ( ! DataUtils . batchDeleteNotes ( getContentResolver ( ) , ids ) ) {
Log . e ( TAG , "Delete Note error" ) ;
}
} else {
//同步模式
//移动至垃圾文件夹的操作
if ( ! DataUtils . batchMoveToFolder ( getContentResolver ( ) , ids , Notes . ID_TRASH_FOLER ) ) {
Log . e ( TAG , "Move notes to trash folder error, should not happens" ) ;
}
}
}
//将这些标签的删除标记置为true
mWorkingNote . markDeleted ( true ) ;
}
@ -827,15 +1327,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
}
return hasChecked ;
}
//段代码是一个私有方法getWorkingText， ， ， ，
//
//在方法内部， ， ， ， ， ， ； ，
//
//最后， ，
//
//最终， ，
//
//因此，这段代码用于获取工作笔记的文本内容，并根据是否为待办事项模式进行相应处理并返回结果。
private boolean saveNote ( ) {
getWorkingText ( ) ;
boolean saved = mWorkingNote . saveNote ( ) ;
@ -851,17 +1343,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
}
return saved ;
}
//这段代码是一个私有方法saveNote，
//
//在方法内部， ，
//
//接着， ，
//
//如果保存成功， ， ，
//
//最后，返回保存是否成功的布尔值。
//
//因此，这段代码用于将当前正在编辑的笔记保存到数据库中，并设置返回状态。
private void sendToDesktop ( ) {
/ * *
* Before send message to home , we should make sure that current
@ -896,33 +1378,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
showToast ( R . string . error_note_empty_for_send_to_desktop ) ;
}
}
//这段代码定义了一个名为sendToDesktop的私有方法，
//
//在方法内部， ，
//
//接着， （ ） ， ：
//
//创建一个Intent对象sender用于发送广播。
//
//创建一个Intent对象shortcutIntent， ，
//
//将正在编辑的笔记ID作为附加数据放入shortcutIntent中。
//
//将笔记内容生成适合作为快捷方式图标标题的字符串，
//
//将应用程序的图标资源作为快捷方式图标放入sender中。
//
//设置sender的动作为com.android.launcher.action.INSTALL_SHORTCUT，
//
//弹出一个简短的提示消息，提示用户笔记已经进入桌面。
//
//发送广播，安装快捷方式。
//
//如果当前正在编辑的笔记没有有效的笔记ID， ：
//
//输出一个错误日志，表示发送到桌面出错。
//
//弹出一个提示消息，提醒用户必须输入一些内容才能发送到桌面。
private String makeShortcutIconTitle ( String content ) {
content = content . replace ( TAG_CHECKED , "" ) ;
content = content . replace ( TAG_UNCHECKED , "" ) ;
