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package net.micode.notes.ui;
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import android.app.Activity;
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import android.app.AlarmManager;
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import android.app.AlertDialog;
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import android.app.PendingIntent;
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import android.app.SearchManager;
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import android.appwidget.AppWidgetManager;
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import android.content.ContentUris;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.content.SharedPreferences;
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import android.graphics.Paint;
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import android.os.Bundle;
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import android.preference.PreferenceManager;
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import android.text.Spannable;
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import android.text.SpannableString;
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import android.text.TextUtils;
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import android.text.format.DateUtils;
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import android.text.style.BackgroundColorSpan;
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import android.util.Log;
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import android.view.LayoutInflater;
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import android.view.Menu;
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import android.view.MenuItem;
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import android.view.MotionEvent;
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import android.view.View;
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import android.view.View.OnClickListener;
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import android.view.WindowManager;
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import android.widget.CheckBox;
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import android.widget.CompoundButton;
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import android.widget.CompoundButton.OnCheckedChangeListener;
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import android.widget.EditText;
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import android.widget.ImageView;
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import android.widget.LinearLayout;
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import android.widget.TextView;
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import android.widget.Toast;
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import net.micode.notes.R;
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import net.micode.notes.data.Notes;
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import net.micode.notes.data.Notes.TextNote;
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import net.micode.notes.model.WorkingNote;
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import net.micode.notes.model.WorkingNote.NoteSettingChangedListener;
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import net.micode.notes.tool.DataUtils;
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import net.micode.notes.tool.ResourceParser;
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import net.micode.notes.tool.ResourceParser.TextAppearanceResources;
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import net.micode.notes.ui.DateTimePickerDialog.OnDateTimeSetListener;
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import net.micode.notes.ui.NoteEditText.OnTextViewChangeListener;
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import net.micode.notes.widget.NoteWidgetProvider_2x;
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import net.micode.notes.widget.NoteWidgetProvider_4x;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.Map;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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public class NoteEditActivity extends Activity implements OnClickListener,
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NoteSettingChangedListener, OnTextViewChangeListener {
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//该类主要是针对标签的编辑
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//继承了系统内部许多和监听有关的类
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private class HeadViewHolder {
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public TextView tvModified;
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public ImageView ivAlertIcon;
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public TextView tvAlertDate;
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public ImageView ibSetBgColor;
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}
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//使用Map实现数据存储
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private static final Map<Integer, Integer> sBgSelectorBtnsMap = new HashMap<Integer, Integer>();
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static {
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sBgSelectorBtnsMap.put(R.id.iv_bg_yellow, ResourceParser.YELLOW);
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sBgSelectorBtnsMap.put(R.id.iv_bg_red, ResourceParser.RED);
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sBgSelectorBtnsMap.put(R.id.iv_bg_blue, ResourceParser.BLUE);
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sBgSelectorBtnsMap.put(R.id.iv_bg_green, ResourceParser.GREEN);
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sBgSelectorBtnsMap.put(R.id.iv_bg_white, ResourceParser.WHITE);
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//put函数是将指定值和指定键相连
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}
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private static final Map<Integer, Integer> sBgSelectorSelectionMap = new HashMap<Integer, Integer>();
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static {
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sBgSelectorSelectionMap.put(ResourceParser.YELLOW, R.id.iv_bg_yellow_select);
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sBgSelectorSelectionMap.put(ResourceParser.RED, R.id.iv_bg_red_select);
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sBgSelectorSelectionMap.put(ResourceParser.BLUE, R.id.iv_bg_blue_select);
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sBgSelectorSelectionMap.put(ResourceParser.GREEN, R.id.iv_bg_green_select);
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sBgSelectorSelectionMap.put(ResourceParser.WHITE, R.id.iv_bg_white_select);
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//put函数是将指定值和指定键相连
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}
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private static final Map<Integer, Integer> sFontSizeBtnsMap = new HashMap<Integer, Integer>();
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static {
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sFontSizeBtnsMap.put(R.id.ll_font_large, ResourceParser.TEXT_LARGE);
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sFontSizeBtnsMap.put(R.id.ll_font_small, ResourceParser.TEXT_SMALL);
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sFontSizeBtnsMap.put(R.id.ll_font_normal, ResourceParser.TEXT_MEDIUM);
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sFontSizeBtnsMap.put(R.id.ll_font_super, ResourceParser.TEXT_SUPER);
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//put函数是将指定值和指定键相连
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}
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private static final Map<Integer, Integer> sFontSelectorSelectionMap = new HashMap<Integer, Integer>();
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static {
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sFontSelectorSelectionMap.put(ResourceParser.TEXT_LARGE, R.id.iv_large_select);
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sFontSelectorSelectionMap.put(ResourceParser.TEXT_SMALL, R.id.iv_small_select);
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sFontSelectorSelectionMap.put(ResourceParser.TEXT_MEDIUM, R.id.iv_medium_select);
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sFontSelectorSelectionMap.put(ResourceParser.TEXT_SUPER, R.id.iv_super_select);
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//put函数是将指定值和指定键相连
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}
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private static final String TAG = "NoteEditActivity";
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private HeadViewHolder mNoteHeaderHolder;
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private View mHeadViewPanel;
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//私有化一个界面操作mHeadViewPanel，对表头的操作
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private View mNoteBgColorSelector;
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//私有化一个界面操作mNoteBgColorSelector，对背景颜色的操作
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private View mFontSizeSelector;
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//私有化一个界面操作mFontSizeSelector，对标签字体的操作
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private EditText mNoteEditor;
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//声明编辑控件，对文本操作
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private View mNoteEditorPanel;
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//私有化一个界面操作mNoteEditorPanel，文本编辑的控制板
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//private WorkingNote mWorkingNote;
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public WorkingNote mWorkingNote;
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//对模板WorkingNote的初始化
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private SharedPreferences mSharedPrefs;
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//私有化SharedPreferences的数据存储方式
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//它的本质是基于XML文件存储key-value键值对数据
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private int mFontSizeId;
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//用于操作字体的大小
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private static final String PREFERENCE_FONT_SIZE = "pref_font_size";
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private static final int SHORTCUT_ICON_TITLE_MAX_LEN = 10;
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public static final String TAG_CHECKED = String.valueOf('\u221A');
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public static final String TAG_UNCHECKED = String.valueOf('\u25A1');
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private LinearLayout mEditTextList;
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//线性布局
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private String mUserQuery;
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private Pattern mPattern;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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this.setContentView(R.layout.note_edit);
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//对数据库的访问操作
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if (savedInstanceState == null && !initActivityState(getIntent())) {
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finish();
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return;
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}
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initResources();
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}
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/**
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* Current activity may be killed when the memory is low. Once it is killed, for another time
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* user load this activity, we should restore the former state
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*/
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@Override
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protected void onRestoreInstanceState(Bundle savedInstanceState) {
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super.onRestoreInstanceState(savedInstanceState);
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if (savedInstanceState != null && savedInstanceState.containsKey(Intent.EXTRA_UID)) {
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Intent intent = new Intent(Intent.ACTION_VIEW);
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intent.putExtra(Intent.EXTRA_UID, savedInstanceState.getLong(Intent.EXTRA_UID));
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if (!initActivityState(intent)) {
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finish();
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return;
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}
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Log.d(TAG, "Restoring from killed activity");
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}//为防止内存不足时程序的终止，在这里有一个保存现场的函数
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}
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private boolean initActivityState(Intent intent) {
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/**
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* If the user specified the {@link Intent#ACTION_VIEW} but not provided with id,
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* then jump to the NotesListActivity
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*/
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mWorkingNote = null;
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if (TextUtils.equals(Intent.ACTION_VIEW, intent.getAction())) {
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long noteId = intent.getLongExtra(Intent.EXTRA_UID, 0);
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mUserQuery = "";
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//如果用户实例化标签时，系统并未给出标签ID
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/**
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* Starting from the searched result
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*/
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//根据键值查找ID
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if (intent.hasExtra(SearchManager.EXTRA_DATA_KEY)) {
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noteId = Long.parseLong(intent.getStringExtra(SearchManager.EXTRA_DATA_KEY));
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mUserQuery = intent.getStringExtra(SearchManager.USER_QUERY);
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}
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//如果ID在数据库中未找到
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if (!DataUtils.visibleInNoteDatabase(getContentResolver(), noteId, Notes.TYPE_NOTE)) {
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Intent jump = new Intent(this, NotesListActivity.class);
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startActivity(jump);
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//程序将跳转到上面声明的intent——jump
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showToast(R.string.error_note_not_exist);
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finish();
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return false;
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}
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//ID在数据库中找到
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else {
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mWorkingNote = WorkingNote.load(this, noteId);
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if (mWorkingNote == null) {
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Log.e(TAG, "load note failed with note id" + noteId);
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//打印出红色的错误信息
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finish();
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return false;
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}
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}
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//setSoftInputMode——软键盘输入模式
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getWindow().setSoftInputMode(
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WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN
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| WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);
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} else if(TextUtils.equals(Intent.ACTION_INSERT_OR_EDIT, intent.getAction())) {
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// intent.getAction()
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// 大多用于broadcast发送广播时给机制（intent）设置一个action，就是一个字符串
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// 用户可以通过receive（接受）intent，通过 getAction得到的字符串，来决定做什么
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long folderId = intent.getLongExtra(Notes.INTENT_EXTRA_FOLDER_ID, 0);
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int widgetId = intent.getIntExtra(Notes.INTENT_EXTRA_WIDGET_ID,
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AppWidgetManager.INVALID_APPWIDGET_ID);
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int widgetType = intent.getIntExtra(Notes.INTENT_EXTRA_WIDGET_TYPE,
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Notes.TYPE_WIDGET_INVALIDE);
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int bgResId = intent.getIntExtra(Notes.INTENT_EXTRA_BACKGROUND_ID,
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ResourceParser.getDefaultBgId(this));
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// intent.getInt（Long、String）Extra是对各变量的语法分析
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// Parse call-record note
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String phoneNumber = intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER);
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long callDate = intent.getLongExtra(Notes.INTENT_EXTRA_CALL_DATE, 0);
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if (callDate != 0 && phoneNumber != null) {
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if (TextUtils.isEmpty(phoneNumber)) {
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Log.w(TAG, "The call record number is null");
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}
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long noteId = 0;
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if ((noteId = DataUtils.getNoteIdByPhoneNumberAndCallDate(getContentResolver(),
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phoneNumber, callDate)) > 0) {
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mWorkingNote = WorkingNote.load(this, noteId);
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if (mWorkingNote == null) {
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Log.e(TAG, "load call note failed with note id" + noteId);
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finish();
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return false;
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}
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//将电话号码与手机的号码簿相关
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} else {
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mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId,
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widgetType, bgResId);
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mWorkingNote.convertToCallNote(phoneNumber, callDate);
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//
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}
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} else {
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mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId, widgetType,
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bgResId);
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}//创建一个新的WorkingNote
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getWindow().setSoftInputMode(
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WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE
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| WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE);
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} else {
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Log.e(TAG, "Intent not specified action, should not support");
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finish();
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return false;
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}
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mWorkingNote.setOnSettingStatusChangedListener(this);
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return true;
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}
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@Override
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protected void onResume() {
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super.onResume();
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initNoteScreen();
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}
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private void initNoteScreen() {
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//对界面的初始化操作
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mNoteEditor.setTextAppearance(this, TextAppearanceResources
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.getTexAppearanceResource(mFontSizeId));
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//设置外观
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if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
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switchToListMode(mWorkingNote.getContent());
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} else {
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mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery));
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mNoteEditor.setSelection(mNoteEditor.getText().length());
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}
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for (Integer id : sBgSelectorSelectionMap.keySet()) {
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findViewById(sBgSelectorSelectionMap.get(id)).setVisibility(View.GONE);
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}
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mHeadViewPanel.setBackgroundResource(mWorkingNote.getTitleBgResId());
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mNoteEditorPanel.setBackgroundResource(mWorkingNote.getBgColorResId());
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mNoteHeaderHolder.tvModified.setText(DateUtils.formatDateTime(this,
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mWorkingNote.getModifiedDate(), DateUtils.FORMAT_SHOW_DATE
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| DateUtils.FORMAT_NUMERIC_DATE | DateUtils.FORMAT_SHOW_TIME
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| DateUtils.FORMAT_SHOW_YEAR));
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/**
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* TODO: Add the menu for setting alert. Currently disable it because the DateTimePicker
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* is not ready
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*/
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showAlertHeader();
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}
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//设置闹钟的显示
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private void showAlertHeader() {
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if (mWorkingNote.hasClockAlert()) {
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long time = System.currentTimeMillis();
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if (time > mWorkingNote.getAlertDate()) {
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mNoteHeaderHolder.tvAlertDate.setText(R.string.note_alert_expired);
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}
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//如果系统时间大于了闹钟设置的时间，那么闹钟失效
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else {
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mNoteHeaderHolder.tvAlertDate.setText(DateUtils.getRelativeTimeSpanString(
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mWorkingNote.getAlertDate(), time, DateUtils.MINUTE_IN_MILLIS));
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}
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mNoteHeaderHolder.tvAlertDate.setVisibility(View.VISIBLE);
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mNoteHeaderHolder.ivAlertIcon.setVisibility(View.VISIBLE);
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//显示闹钟开启的图标
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} else {
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mNoteHeaderHolder.tvAlertDate.setVisibility(View.GONE);
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mNoteHeaderHolder.ivAlertIcon.setVisibility(View.GONE);
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};
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}
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@Override
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protected void onNewIntent(Intent intent) {
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super.onNewIntent(intent);
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initActivityState(intent);
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}
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@Override
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protected void onSaveInstanceState(Bundle outState) {
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super.onSaveInstanceState(outState);
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/**
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* For new note without note id, we should firstly save it to
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* generate a id. If the editing note is not worth saving, there
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* is no id which is equivalent to create new note
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*/
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if (!mWorkingNote.existInDatabase()) {
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saveNote();
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}
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//在创建一个新的标签时，先在数据库中匹配
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//如果不存在，那么先在数据库中存储
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outState.putLong(Intent.EXTRA_UID, mWorkingNote.getNoteId());
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Log.d(TAG, "Save working note id: " + mWorkingNote.getNoteId() + " onSaveInstanceState");
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}
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@Override
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//MotionEvent是对屏幕触控的传递机制
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public boolean dispatchTouchEvent(MotionEvent ev) {
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if (mNoteBgColorSelector.getVisibility() == View.VISIBLE
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&& !inRangeOfView(mNoteBgColorSelector, ev)) {
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mNoteBgColorSelector.setVisibility(View.GONE);
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return true;
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}//颜色选择器在屏幕上可见
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if (mFontSizeSelector.getVisibility() == View.VISIBLE
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&& !inRangeOfView(mFontSizeSelector, ev)) {
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mFontSizeSelector.setVisibility(View.GONE);
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return true;
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}//字体大小选择器在屏幕上可见
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return super.dispatchTouchEvent(ev);
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}
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//对屏幕触控的坐标进行操作
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private boolean inRangeOfView(View view, MotionEvent ev) {
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int []location = new int[2];
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view.getLocationOnScreen(location);
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int x = location[0];
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int y = location[1];
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if (ev.getX() < x
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|| ev.getX() > (x + view.getWidth())
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|| ev.getY() < y
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|| ev.getY() > (y + view.getHeight()))
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//如果触控的位置超出了给定的范围，返回false
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{
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return false;
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}
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return true;
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}
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private void initResources() {
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mHeadViewPanel = findViewById(R.id.note_title);
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mNoteHeaderHolder = new HeadViewHolder();
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|
|
mNoteHeaderHolder.tvModified = (TextView) findViewById(R.id.tv_modified_date);
|
|
|
mNoteHeaderHolder.ivAlertIcon = (ImageView) findViewById(R.id.iv_alert_icon);
|
|
|
mNoteHeaderHolder.tvAlertDate = (TextView) findViewById(R.id.tv_alert_date);
|
|
|
mNoteHeaderHolder.ibSetBgColor = (ImageView) findViewById(R.id.btn_set_bg_color);
|
|
|
mNoteHeaderHolder.ibSetBgColor.setOnClickListener(this);
|
|
|
mNoteEditor = (EditText) findViewById(R.id.note_edit_view);
|
|
|
mNoteEditorPanel = findViewById(R.id.sv_note_edit);
|
|
|
mNoteBgColorSelector = findViewById(R.id.note_bg_color_selector);
|
|
|
for (int id : sBgSelectorBtnsMap.keySet()) {
|
|
|
ImageView iv = (ImageView) findViewById(id);
|
|
|
iv.setOnClickListener(this);
|
|
|
}//对标签各项属性内容的初始化
|
|
|
|
|
|
mFontSizeSelector = findViewById(R.id.font_size_selector);
|
|
|
for (int id : sFontSizeBtnsMap.keySet()) {
|
|
|
View view = findViewById(id);
|
|
|
view.setOnClickListener(this);
|
|
|
};//对字体大小的选择
|
|
|
mSharedPrefs = PreferenceManager.getDefaultSharedPreferences(this);
|
|
|
mFontSizeId = mSharedPrefs.getInt(PREFERENCE_FONT_SIZE, ResourceParser.BG_DEFAULT_FONT_SIZE);
|
|
|
/**
|
|
|
* HACKME: Fix bug of store the resource id in shared preference.
|
|
|
* The id may larger than the length of resources, in this case,
|
|
|
* return the {@link ResourceParser#BG_DEFAULT_FONT_SIZE}
|
|
|
*/
|
|
|
if(mFontSizeId >= TextAppearanceResources.getResourcesSize()) {
|
|
|
mFontSizeId = ResourceParser.BG_DEFAULT_FONT_SIZE;
|
|
|
}
|
|
|
mEditTextList = (LinearLayout) findViewById(R.id.note_edit_list);
|
|
|
}
|
|
|
|
|
|
@Override
|
|
|
protected void onPause() {
|
|
|
super.onPause();
|
|
|
if(saveNote()) {
|
|
|
Log.d(TAG, "Note data was saved with length:" + mWorkingNote.getContent().length());
|
|
|
}
|
|
|
clearSettingState();
|
|
|
}
|
|
|
//和桌面小工具的同步
|
|
|
private void updateWidget() {
|
|
|
Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
|
|
|
if (mWorkingNote.getWidgetType() == Notes.TYPE_WIDGET_2X) {
|
|
|
intent.setClass(this, NoteWidgetProvider_2x.class);
|
|
|
} else if (mWorkingNote.getWidgetType() == Notes.TYPE_WIDGET_4X) {
|
|
|
intent.setClass(this, NoteWidgetProvider_4x.class);
|
|
|
} else {
|
|
|
Log.e(TAG, "Unspported widget type");
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] {
|
|
|
mWorkingNote.getWidgetId()
|
|
|
});
|
|
|
|
|
|
sendBroadcast(intent);
|
|
|
setResult(RESULT_OK, intent);
|
|
|
}
|
|
|
|
|
|
public void onClick(View v) {
|
|
|
int id = v.getId();
|
|
|
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)) {
|
|
|
findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility(
|
|
|
View.GONE);
|
|
|
mWorkingNote.setBgColorId(sBgSelectorBtnsMap.get(id));
|
|
|
mNoteBgColorSelector.setVisibility(View.GONE);
|
|
|
} else if (sFontSizeBtnsMap.containsKey(id)) {
|
|
|
findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.GONE);
|
|
|
mFontSizeId = sFontSizeBtnsMap.get(id);
|
|
|
mSharedPrefs.edit().putInt(PREFERENCE_FONT_SIZE, mFontSizeId).commit();
|
|
|
findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE);
|
|
|
if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
|
|
|
getWorkingText();
|
|
|
switchToListMode(mWorkingNote.getContent());
|
|
|
} else {
|
|
|
mNoteEditor.setTextAppearance(this,
|
|
|
TextAppearanceResources.getTexAppearanceResource(mFontSizeId));
|
|
|
}
|
|
|
mFontSizeSelector.setVisibility(View.GONE);
|
|
|
}
|
|
|
}//************************存在问题
|
|
|
|
|
|
@Override
|
|
|
public void onBackPressed() {
|
|
|
if(clearSettingState()) {
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
saveNote();
|
|
|
super.onBackPressed();
|
|
|
}
|
|
|
|
|
|
private boolean clearSettingState() {
|
|
|
if (mNoteBgColorSelector.getVisibility() == View.VISIBLE) {
|
|
|
mNoteBgColorSelector.setVisibility(View.GONE);
|
|
|
return true;
|
|
|
} else if (mFontSizeSelector.getVisibility() == View.VISIBLE) {
|
|
|
mFontSizeSelector.setVisibility(View.GONE);
|
|
|
return true;
|
|
|
}
|
|
|
return false;
|
|
|
}
|
|
|
|
|
|
public void onBackgroundColorChanged() {
|
|
|
findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility(
|
|
|
View.VISIBLE);
|
|
|
mNoteEditorPanel.setBackgroundResource(mWorkingNote.getBgColorResId());
|
|
|
mHeadViewPanel.setBackgroundResource(mWorkingNote.getTitleBgResId());
|
|
|
}
|
|
|
|
|
|
@Override
|
|
|
//对选择菜单的准备
|
|
|
public boolean onPrepareOptionsMenu(Menu menu) {
|
|
|
if (isFinishing()) {
|
|
|
return true;
|
|
|
}
|
|
|
clearSettingState();
|
|
|
menu.clear();
|
|
|
if (mWorkingNote.getFolderId() == Notes.ID_CALL_RECORD_FOLDER) {
|
|
|
getMenuInflater().inflate(R.menu.call_note_edit, menu);
|
|
|
// MenuInflater是用来实例化Menu目录下的Menu布局文件的
|
|
|
} else {
|
|
|
getMenuInflater().inflate(R.menu.note_edit, menu);
|
|
|
}
|
|
|
if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
|
|
|
menu.findItem(R.id.menu_list_mode).setTitle(R.string.menu_normal_mode);
|
|
|
} else {
|
|
|
menu.findItem(R.id.menu_list_mode).setTitle(R.string.menu_list_mode);
|
|
|
}
|
|
|
if (mWorkingNote.hasClockAlert()) {
|
|
|
menu.findItem(R.id.menu_alert).setVisible(false);
|
|
|
} else {
|
|
|
menu.findItem(R.id.menu_delete_remind).setVisible(false);
|
|
|
}
|
|
|
return true;
|
|
|
}
|
|
|
|
|
|
@Override
|
|
|
/*
|
|
|
* 函数功能：动态改变菜单选项内容
|
|
|
* 函数实现：如下注释
|
|
|
*/
|
|
|
public boolean onOptionsItemSelected(MenuItem item) {
|
|
|
switch (item.getItemId()) {
|
|
|
//根据菜单的id来编剧相关项目
|
|
|
case R.id.menu_new_note:
|
|
|
//创建一个新的便签
|
|
|
createNewNote();
|
|
|
break;
|
|
|
case R.id.menu_delete:
|
|
|
//删除便签
|
|
|
AlertDialog.Builder builder = new AlertDialog.Builder(this);
|
|
|
//创建关于删除操作的对话框
|
|
|
builder.setTitle(getString(R.string.alert_title_delete));
|
|
|
// 设置标签的标题为alert_title_delete
|
|
|
builder.setIcon(android.R.drawable.ic_dialog_alert);
|
|
|
//设置对话框图标
|
|
|
builder.setMessage(getString(R.string.alert_message_delete_note));
|
|
|
//设置对话框内容
|
|
|
builder.setPositiveButton(android.R.string.ok,
|
|
|
new DialogInterface.OnClickListener() {
|
|
|
//建立按键监听器
|
|
|
public void onClick(DialogInterface dialog, int which) {
|
|
|
//点击所触发事件
|
|
|
deleteCurrentNote();
|
|
|
// 删除单签便签
|
|
|
finish();
|
|
|
}
|
|
|
});
|
|
|
//添加“YES”按钮
|
|
|
builder.setNegativeButton(android.R.string.cancel, null);
|
|
|
//添加“NO”的按钮
|
|
|
builder.show();
|
|
|
//显示对话框
|
|
|
break;
|
|
|
case R.id.menu_font_size:
|
|
|
//字体大小的编辑
|
|
|
mFontSizeSelector.setVisibility(View.VISIBLE);
|
|
|
// 将字体选择器置为可见
|
|
|
findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE);
|
|
|
// 通过id找到相应的大小
|
|
|
break;
|
|
|
case R.id.menu_list_mode:
|
|
|
//选择列表模式
|
|
|
mWorkingNote.setCheckListMode(mWorkingNote.getCheckListMode() == 0 ?
|
|
|
TextNote.MODE_CHECK_LIST : 0);
|
|
|
break;
|
|
|
case R.id.menu_share:
|
|
|
//菜单共享
|
|
|
getWorkingText();
|
|
|
sendTo(this, mWorkingNote.getContent());
|
|
|
// 用sendto函数将运行文本发送到遍历的本文内
|
|
|
break;
|
|
|
case R.id.menu_send_to_desktop:
|
|
|
//发送到桌面
|
|
|
sendToDesktop();
|
|
|
break;
|
|
|
case R.id.menu_alert:
|
|
|
//创建提醒器
|
|
|
setReminder();
|
|
|
break;
|
|
|
case R.id.menu_delete_remind:
|
|
|
//删除日期提醒
|
|
|
mWorkingNote.setAlertDate(0, false);
|
|
|
break;
|
|
|
default:
|
|
|
break;
|
|
|
}
|
|
|
return true;
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
* 函数功能：建立事件提醒器
|
|
|
* 函数实现：如下注释
|
|
|
*/
|
|
|
private void setReminder() {
|
|
|
DateTimePickerDialog d = new DateTimePickerDialog(this, System.currentTimeMillis());
|
|
|
// 建立修改时间日期的对话框
|
|
|
d.setOnDateTimeSetListener(new OnDateTimeSetListener() {
|
|
|
public void OnDateTimeSet(AlertDialog dialog, long date) {
|
|
|
mWorkingNote.setAlertDate(date , true);
|
|
|
//选择提醒的日期
|
|
|
}
|
|
|
});
|
|
|
//建立时间日期的监听器
|
|
|
d.show();
|
|
|
//显示对话框
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* Share note to apps that support {@link Intent#ACTION_SEND} action
|
|
|
* and {@text/plain} type
|
|
|
*/
|
|
|
/*
|
|
|
* 函数功能：共享便签
|
|
|
* 函数实现：如下注释
|
|
|
*/
|
|
|
private void sendTo(Context context, String info) {
|
|
|
Intent intent = new Intent(Intent.ACTION_SEND);
|
|
|
//建立intent链接选项
|
|
|
intent.putExtra(Intent.EXTRA_TEXT, info);
|
|
|
//将需要传递的便签信息放入text文件中
|
|
|
intent.setType("text/plain");
|
|
|
//编辑连接器的类型
|
|
|
context.startActivity(intent);
|
|
|
//在acti中进行链接
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
* 函数功能：创建一个新的便签
|
|
|
* 函数实现：如下注释
|
|
|
*/
|
|
|
private void createNewNote() {
|
|
|
// Firstly, save current editing notes
|
|
|
//保存当前便签
|
|
|
saveNote();
|
|
|
|
|
|
// For safety, start a new NoteEditActivity
|
|
|
finish();
|
|
|
Intent intent = new Intent(this, NoteEditActivity.class);
|
|
|
//设置链接器
|
|
|
intent.setAction(Intent.ACTION_INSERT_OR_EDIT);
|
|
|
//该活动定义为创建或编辑
|
|
|
intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mWorkingNote.getFolderId());
|
|
|
//将运行便签的id添加到INTENT_EXTRA_FOLDER_ID标记中
|
|
|
startActivity(intent);
|
|
|
//开始activity并链接
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
* 函数功能：删除当前便签
|
|
|
* 函数实现：如下注释
|
|
|
*/
|
|
|
private void deleteCurrentNote() {
|
|
|
if (mWorkingNote.existInDatabase()) {
|
|
|
//假如当前运行的便签内存有数据
|
|
|
HashSet<Long> ids = new HashSet<Long>();
|
|
|
long id = mWorkingNote.getNoteId();
|
|
|
if (id != Notes.ID_ROOT_FOLDER) {
|
|
|
ids.add(id);
|
|
|
//如果不是头文件夹建立一个hash表把便签id存起来
|
|
|
} else {
|
|
|
Log.d(TAG, "Wrong note id, should not happen");
|
|
|
//否则报错
|
|
|
}
|
|
|
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");
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
mWorkingNote.markDeleted(true);
|
|
|
//将这些标签的删除标记置为true
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
* 函数功能：判断是否为同步模式
|
|
|
* 函数实现：直接看NotesPreferenceActivity中同步名称是否为空
|
|
|
*/
|
|
|
private boolean isSyncMode() {
|
|
|
return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0;
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
* 函数功能：设置提醒时间
|
|
|
* 函数实现：如下注释
|
|
|
*/
|
|
|
public void onClockAlertChanged(long date, boolean set) {
|
|
|
/**
|
|
|
* User could set clock to an unsaved note, so before setting the
|
|
|
* alert clock, we should save the note first
|
|
|
*/
|
|
|
if (!mWorkingNote.existInDatabase()) {
|
|
|
//首先保存已有的便签
|
|
|
saveNote();
|
|
|
}
|
|
|
if (mWorkingNote.getNoteId() > 0) {
|
|
|
Intent intent = new Intent(this, AlarmReceiver.class);
|
|
|
intent.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mWorkingNote.getNoteId()));
|
|
|
//若有有运行的便签就是建立一个链接器将标签id都存在uri中
|
|
|
PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0);
|
|
|
AlarmManager alarmManager = ((AlarmManager) getSystemService(ALARM_SERVICE));
|
|
|
//设置提醒管理器
|
|
|
showAlertHeader();
|
|
|
if(!set) {
|
|
|
alarmManager.cancel(pendingIntent);
|
|
|
} else {
|
|
|
alarmManager.set(AlarmManager.RTC_WAKEUP, date, pendingIntent);
|
|
|
}
|
|
|
//如果用户设置了时间，就通过提醒管理器设置一个监听事项
|
|
|
} else {
|
|
|
/**
|
|
|
* There is the condition that user has input nothing (the note is
|
|
|
* not worthy saving), we have no note id, remind the user that he
|
|
|
* should input something
|
|
|
*/
|
|
|
//没有运行的便签就报错
|
|
|
Log.e(TAG, "Clock alert setting error");
|
|
|
showToast(R.string.error_note_empty_for_clock);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
* 函数功能：Widget发生改变的所触发的事件
|
|
|
*/
|
|
|
public void onWidgetChanged() {
|
|
|
updateWidget();//更新Widget
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
* 函数功能： 删除编辑文本框所触发的事件
|
|
|
* 函数实现：如下注释
|
|
|
*/
|
|
|
public void onEditTextDelete(int index, String text) {
|
|
|
int childCount = mEditTextList.getChildCount();
|
|
|
if (childCount == 1) {
|
|
|
return;
|
|
|
}
|
|
|
//没有编辑框的话直接返回
|
|
|
for (int i = index + 1; i < childCount; i++) {
|
|
|
((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text))
|
|
|
.setIndex(i - 1);
|
|
|
//通过id把编辑框存在便签编辑框中
|
|
|
}
|
|
|
|
|
|
mEditTextList.removeViewAt(index);
|
|
|
//删除特定位置的视图
|
|
|
NoteEditText edit = null;
|
|
|
if(index == 0) {
|
|
|
edit = (NoteEditText) mEditTextList.getChildAt(0).findViewById(
|
|
|
R.id.et_edit_text);
|
|
|
} else {
|
|
|
edit = (NoteEditText) mEditTextList.getChildAt(index - 1).findViewById(
|
|
|
R.id.et_edit_text);
|
|
|
}
|
|
|
//通过id把编辑框存在空的NoteEditText中
|
|
|
int length = edit.length();
|
|
|
edit.append(text);
|
|
|
edit.requestFocus();//请求优先完成该此 编辑
|
|
|
edit.setSelection(length);//定位到length位置处的条目
|
|
|
}
|
|
|
|
|
|
/*
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* 函数功能：进入编辑文本框所触发的事件
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* 函数实现：如下注释
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*/
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public void onEditTextEnter(int index, String text) {
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/**
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* Should not happen, check for debug
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*/
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if(index > mEditTextList.getChildCount()) {
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Log.e(TAG, "Index out of mEditTextList boundrary, should not happen");
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//越界把偶偶
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}
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View view = getListItem(text, index);
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mEditTextList.addView(view, index);
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//建立一个新的视图并添加到编辑文本框内
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NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
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edit.requestFocus();//请求优先操作
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edit.setSelection(0);//定位到起始位置
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for (int i = index + 1; i < mEditTextList.getChildCount(); i++) {
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((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text))
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.setIndex(i);
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//遍历子文本框并设置对应对下标
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}
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}
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/*
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* 函数功能：切换至列表模式
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* 函数实现：如下注释
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*/
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private void switchToListMode(String text) {
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mEditTextList.removeAllViews();
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String[] items = text.split("\n");
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int index = 0;
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//清空所有视图，初始化下标
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for (String item : items) {
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if(!TextUtils.isEmpty(item)) {
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mEditTextList.addView(getListItem(item, index));
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index++;
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//遍历所有文本单元并添加到文本框中
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}
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}
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mEditTextList.addView(getListItem("", index));
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mEditTextList.getChildAt(index).findViewById(R.id.et_edit_text).requestFocus();
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//优先请求此操作
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mNoteEditor.setVisibility(View.GONE);
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//便签编辑器不可见
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mEditTextList.setVisibility(View.VISIBLE);
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//将文本编辑框置为可见
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}
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/*
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* 函数功能：获取高亮效果的反馈情况
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* 函数实现：如下注释
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*/
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private Spannable getHighlightQueryResult(String fullText, String userQuery) {
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SpannableString spannable = new SpannableString(fullText == null ? "" : fullText);
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//新建一个效果选项
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if (!TextUtils.isEmpty(userQuery)) {
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mPattern = Pattern.compile(userQuery);
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//将用户的询问进行解析
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Matcher m = mPattern.matcher(fullText);
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//建立一个状态机检查Pattern并进行匹配
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int start = 0;
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while (m.find(start)) {
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spannable.setSpan(
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new BackgroundColorSpan(this.getResources().getColor(
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R.color.user_query_highlight)), m.start(), m.end(),
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Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
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//设置背景颜色
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start = m.end();
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//跟新起始位置
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}
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}
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return spannable;
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}
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/*
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* 函数功能：获取列表项
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* 函数实现：如下注释
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*/
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private View getListItem(String item, int index) {
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View view = LayoutInflater.from(this).inflate(R.layout.note_edit_list_item, null);
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//创建一个视图
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final NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
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edit.setTextAppearance(this, TextAppearanceResources.getTexAppearanceResource(mFontSizeId));
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//创建一个文本编辑框并设置可见性
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CheckBox cb = ((CheckBox) view.findViewById(R.id.cb_edit_item));
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cb.setOnCheckedChangeListener(new OnCheckedChangeListener() {
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public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
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if (isChecked) {
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edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
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} else {
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edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG);
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}
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}
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});
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//建立一个打钩框并设置监听器
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if (item.startsWith(TAG_CHECKED)) {
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//选择勾选
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cb.setChecked(true);
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edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
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item = item.substring(TAG_CHECKED.length(), item.length()).trim();
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} else if (item.startsWith(TAG_UNCHECKED)) {
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//选择不勾选
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cb.setChecked(false);
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edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG);
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item = item.substring(TAG_UNCHECKED.length(), item.length()).trim();
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}
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edit.setOnTextViewChangeListener(this);
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edit.setIndex(index);
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edit.setText(getHighlightQueryResult(item, mUserQuery));
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//运行编辑框的监听器对该行为作出反应，并设置下标及文本内容
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return view;
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}
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/*
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* 函数功能：便签内容发生改变所 触发的事件
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* 函数实现：如下注释
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*/
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public void onTextChange(int index, boolean hasText) {
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if (index >= mEditTextList.getChildCount()) {
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Log.e(TAG, "Wrong index, should not happen");
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return;
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//越界报错
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}
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if(hasText) {
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mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.VISIBLE);
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} else {
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mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.GONE);
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}
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//如果内容不为空则将其子编辑框可见性置为可见，否则不可见
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}
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/*
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* 函数功能：检查模式和列表模式的切换
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* 函数实现：如下注释
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*/
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public void onCheckListModeChanged(int oldMode, int newMode) {
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if (newMode == TextNote.MODE_CHECK_LIST) {
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switchToListMode(mNoteEditor.getText().toString());
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//检查模式切换到列表模式
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} else {
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if (!getWorkingText()) {
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mWorkingNote.setWorkingText(mWorkingNote.getContent().replace(TAG_UNCHECKED + " ",
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""));
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}
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//若是获取到文本就改变其检查标记
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mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery));
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mEditTextList.setVisibility(View.GONE);
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mNoteEditor.setVisibility(View.VISIBLE);
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//修改文本编辑器的内容和可见性
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}
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}
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/*
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* 函数功能：设置勾选选项表并返回是否勾选的标记
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* 函数实现：如下注释
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*/
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private boolean getWorkingText() {
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boolean hasChecked = false;
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//初始化check标记
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if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
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// 若模式为CHECK_LIST
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StringBuilder sb = new StringBuilder();
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//创建可变字符串
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for (int i = 0; i < mEditTextList.getChildCount(); i++) {
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View view = mEditTextList.getChildAt(i);
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//遍历所有子编辑框的视图
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NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
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if (!TextUtils.isEmpty(edit.getText())) {
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//若文本不为空
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if (((CheckBox) view.findViewById(R.id.cb_edit_item)).isChecked()) {
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//该选项框已打钩
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sb.append(TAG_CHECKED).append(" ").append(edit.getText()).append("\n");
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hasChecked = true;
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//扩展字符串为已打钩并把标记置true
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} else {
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sb.append(TAG_UNCHECKED).append(" ").append(edit.getText()).append("\n");
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//扩展字符串添加未打钩
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}
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}
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}
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mWorkingNote.setWorkingText(sb.toString());
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//利用编辑好的字符串设置运行便签的内容
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} else {
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mWorkingNote.setWorkingText(mNoteEditor.getText().toString());
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// 若不是该模式直接用编辑器中的内容设置运行中标签的内容
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}
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return hasChecked;
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}
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/*
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* 函数功能：保存便签
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* 函数实现：如下注释
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*/
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private boolean saveNote() {
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getWorkingText();
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boolean saved = mWorkingNote.saveNote();
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//运行 getWorkingText()之后保存
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if (saved) {
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/**
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* There are two modes from List view to edit view, open one note,
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* create/edit a node. Opening node requires to the original
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|
* position in the list when back from edit view, while creating a
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* new node requires to the top of the list. This code
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* {@link #RESULT_OK} is used to identify the create/edit state
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*/
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//如英文注释所说链接RESULT_OK是为了识别保存的2种情况，一是创建后保存，二是修改后保存
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setResult(RESULT_OK);
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}
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return saved;
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}
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/*
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* 函数功能：将便签发送至桌面
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* 函数实现：如下注释
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*/
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private void sendToDesktop() {
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/**
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* Before send message to home, we should make sure that current
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* editing note is exists in databases. So, for new note, firstly
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* save it
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*/
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if (!mWorkingNote.existInDatabase()) {
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saveNote();
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//若不存在数据也就是新的标签就保存起来先
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}
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if (mWorkingNote.getNoteId() > 0) {
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//若是有内容
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Intent sender = new Intent();
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Intent shortcutIntent = new Intent(this, NoteEditActivity.class);
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//建立发送到桌面的连接器
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shortcutIntent.setAction(Intent.ACTION_VIEW);
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//链接为一个视图
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shortcutIntent.putExtra(Intent.EXTRA_UID, mWorkingNote.getNoteId());
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sender.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);
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sender.putExtra(Intent.EXTRA_SHORTCUT_NAME,
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makeShortcutIconTitle(mWorkingNote.getContent()));
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sender.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE,
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Intent.ShortcutIconResource.fromContext(this, R.drawable.icon_app));
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sender.putExtra("duplicate", true);
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//将便签的相关信息都添加到要发送的文件里
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sender.setAction("com.android.launcher.action.INSTALL_SHORTCUT");
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//设置sneder的行为是发送
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showToast(R.string.info_note_enter_desktop);
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sendBroadcast(sender);
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//显示到桌面
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} else {
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/**
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|
* There is the condition that user has input nothing (the note is
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* not worthy saving), we have no note id, remind the user that he
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* should input something
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*/
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Log.e(TAG, "Send to desktop error");
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showToast(R.string.error_note_empty_for_send_to_desktop);
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//空便签直接报错
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}
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}
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/*
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|
|
* 函数功能：编辑小图标的标题
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* 函数实现：如下注释
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*/
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private String makeShortcutIconTitle(String content) {
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content = content.replace(TAG_CHECKED, "");
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content = content.replace(TAG_UNCHECKED, "");
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return content.length() > SHORTCUT_ICON_TITLE_MAX_LEN ? content.substring(0,
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SHORTCUT_ICON_TITLE_MAX_LEN) : content;
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//直接设置为content中的内容并返回，有勾选和未勾选2种
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}
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/*
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|
|
* 函数功能：显示提示的视图
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|
* 函数实现：根据下标显示对应的提示
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*/
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private void showToast(int resId) {
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showToast(resId, Toast.LENGTH_SHORT);
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}
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/*
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* 函数功能：持续显示提示的视图
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|
* 函数实现：根据下标和持续的时间（duration）编辑提示视图并显示
|
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*/
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private void showToast(int resId, int duration) {
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Toast.makeText(this, resId, duration).show();
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}
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} |
