期末安卓大作业——熊猫记事本 熊猫日记ol下载安装

/加载数据private void loadData() {/如果是新增记事模式，则将editText清空if (editModel.equals("newAdd")) {et_Notes.setText("");}/如果编辑的是已存在的记事，则将数据库的保存的数据取出，并显示在 EditText中else if (editModel.equals("update")) {tv_title.setText("编辑记事");dop.create_db();

Cursor cursor = dop.query_db(item_Id);cursor.moveToFirst();/取出数据库中相应的字段内容context = cursor.getString (cursor.getColumnIndex("context")); datatype =cursor.getString (cursor.getColumnIndex("datatype"));datatime =cursor.getString (cursor.getColumnIndex("datatime"));locktype =cursor.getString (cursor.getColumnIndex("locktype"));lock = cursor.getString (cursor.getColumnIndex("lock"));

// 显示记事列表private void showNotesList() {/打开数据库dop.create_db();Cursor cursor = dop.query_db(keword);/%模糊查询if (cursor.getCount() > 0) {List<SQLBean> list = new ArrayList<SQLBean>();/实例化数据列表while (cursor.moveToNext()) {/光标移动成功SQLBean bean = new SQLBean ();/创建数据库实体类 /保存日记信息id到实体类bean.set_id("" +cursor.getInt(cursor.getColumnIndex("_id")));/保存日记内容到实体类bean.setContext(cursor.getString (cursor.getColumnIndex("context")));/保存日记标题到实体类bean.setTitle(cursor.getString (cursor.getColumnIndex("title")));/保存日记记录时间到实体类bean.setTime(cursor.getString (cursor.getColumnIndex("time")));/保存日记是否设置提醒时间到实体类bean.setDatatype(cursor.getString (cursor.getColumnIndex("datatype")));/保存日记提醒时间到实体类bean.setDatatime(cursor.getString (cursor.getColumnIndex("datatime")));/保存日记是否设置了日记锁到实体类bean.setLocktype(cursor.getString (cursor.getColumnIndex("locktype")));/保存日记锁秘密到实体类bean.setLock(cursor.getString (cursor.getColumnIndex("lock")));/把保存日记信息实体类保存到日记信息集合里list.add(bean);}

/倒序显示数据Collections.reverse(list);/装载日记信息到首页MainAdapter adapter = new MainAdapter (list, this);/日记列表设置日记信息适配器lv_notes.setAdapter (adapter);}else{Toast.makeText(SearchActivity.this, "暂无记事！",Toast.LENGTH LONG).show();}/关闭数据库dop.close_db();}

// 日期范围搜索public void onData(View v) {// 最后一个 false 表示不显示日期，如果要显示日期，最后参数可以是 true 或者不用输入Calendar c = Calendar.getInstance();new DoubleDatePickerDialog (MainActivity.this, 0,new DoubleDatePickerDialog.OnDateSetListener () { @Overridepublic void onDateSet(DatePicker startDatePicker,in t startYear, in tstartMonthOfYear,in t startDayOfMonth, DatePickerendDatePicker,int endYear, int endMonthOfYear,int endDayOfMonth) {if (startYear < endYear || startYear == endYear && startMonthOfYear <= endMonthOfYear) {in t st = startMonthOfYear + 1;in t et = endMonthOfYear + 1;Intent intent = new Intent(MainActivity.this, DataSearchActivity.class);//跳转到日期搜索// sql 判断 需要在月份前补 0 否则 sql 语句判断 不正确。if (st < 10) {intent.putExtra("startData", startYear +"-0"+ st + "-" + "01");} else {intent.putExtra("startData", startYear +" "-+ st + "-" + "01");}if (et < 10) {intent.putExtra("endData", endYear + "-0" + et

+ "-" + "30");} else {intent.putExtra("endData", endYear + "-" + et+ "-" + "30");}startActivity (intent);} else {Toast.makeText(MainActivity.this, " 日期选择错误请重新选择！",Toast.LENGTH_LONG).show(); }}}, c.get(Calendar.YEAR), c.get(Calendar.MONTH), c .get(Calendar.DATE), false).show();}

@Overrideprotected void onStart() {/ TODO Auto-generated method stubsuper.onStart();/显示记事列表showNotesList();/为记事列表添加监听器lv_notes.setOnItemClickListener (new ItemClickEvent());/为记事列表添加长按事件lv_notes.setOnItemLongClickListener (new ItemLongClickEvent()); }

/记事列表单击监听器class ItemClickEvent implements OnItemClickListener {@Overridepublic void onItemClick(AdapterView<?> parent, View view, in t position,long id) {tv_note_id = (TextView) view.findViewById(R.id.tv noteid);tv_locktype = (TextView) view.findViewById(R.id.tv locktype); tv_lock = (TextView) view.findViewById(R.id.tv lock);String locktype = tv_locktype.getText().toString (); String lock = tv_lock.getText().toString ();in t item_id = Integer.parseInt(tv_note_id.getText().toString ()); if ("0".equals(locktype)) {/如果没加锁Intent intent = new Intent(MainActivity.this,AddActivity.class);intent.putExtra("editModel", "update");intent.putExtra("noteId", item_id);startActivity (intent);} else {inputTitleDialog (lock, 0, item_id);

}}}/记事列表长按监听器class ItemLongClickEvent implements OnItemLongClickListener {@Overridepublic boolean onItemLongClick(AdapterView<?> parent, View view, in t position, long id) {/初始化日记id保存控件tv_note_id = (TextView) view.findViewById(R.id.tv noteid);/初始化是否添加日记锁保存控件tv_locktype = (TextView) view.findViewById(R.id.tv locktype);/初始化日记锁秘密保存信息tv_lock = (TextView) view.findViewById(R.id.tv lock);/获取控件上是否设置日记锁信息String locktype = tv_locktype.getText().toString ();/获取控件上日记密码信息String lock = tv_lock.getText().toString ();/获取控件上id信息转换成int类型in t item_id = Integer.parseInt(tv_note_id.getText().toString ());/弹出选择操作框方法simpleList(item_id, locktype, lock);return true;}}

/简单列表对话框，用于选择操作public void simpleList(final in t item_id, final String locktype, final String lock) {/实例化AlertDialogAlertDialog.Builder alertDialogBuilder = newAlertDialog.Builder (this,R.style.custom dialog);/设置弹窗标题alertDialogBuilder.setTitle("选择操作");/设置弹窗图片alertDialogBuilder.setIcon (R.mipmap.ic launcher);/设置弹窗选项内容alertDialogBuilder.setItems(R.array.itemOperation,new android.content.DialogInterface.OnClickListener () {@Overridepublic void onClick(DialogInterface dialog, in t which) {

switch (which) {/编辑case 0:if ("0".equals(locktype)) {/判断是否添加了秘密锁0没有Intent intent = new Intent(MainActivity.this, AddActivity.class);/跳转到添加日记页intent.putExtra("editModel", "update");/传递编辑信息intent.putExtra("noteId", item_id);/传递id信息startActivity (intent);/开始跳转 } else {/有秘密锁/弹出输入密码框inputTitleDialog (lock, 0, item_id); }break;/删除case 1:if ("0".equals(locktype)) {/判断是否是加密日记0没有dop.create_db();/打开数据库dop.delete_db(item_id);/删除数据 dop.close_db();/关闭数据库/刷新列表显示lv_notes.invalidate();showNotesList();} else {/有秘密锁/弹出输入密码框inputTitleDialog (lock, 1, item_id);/刷新列表显示lv_notes.invalidate();/显示日记列表信息showNotesList();}break;}}});alertDialogBuilder.create();/创造弹窗alertDialogBuilder.show();/显示弹窗}

@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);bt_add = (Button) findViewById(R.id.btad);bt_add.setOnClickListener (new ClickEvent());et_keyword = (EditText) findViewById(R.id.et keyword);/数据库操作dop = new DatabaseOperation (this, db);lv_notes = (MyGridView) findViewById(http://R.id.lv notes);if (am == null) {am = (AlarmManager) getSystemService(ALARM SERVICE);/通过系统服 务获取}try {Intent intent = new Intent(MainActivity.this,CallAlarm.class);/onCreate方法中先判断闹钟PendingIntent sender = PendingIntent.getBroadcast( MainActivity.this, 0, intent, 0);am.setRepeating (AlarmManager.RTC WAKEUP, 0, 60 * 1000, sender);} catch (Exception e) {e.printStackTrace();}}

/设置密码弹窗private void inputlockDialog () {final EditText inputServer = new EditText(this);/创建EditText输 入框inputServer.setInputType(InputType.TYPE CLASS TEXT| InputType.TYPE TEXT VARIATION PASSWORD);/设置输入框类 型inputServer.setFocusable(true);/获取焦点AlertDialog.Builder builder = new AlertDialog.Builder (this);/创建 弹出框builder.setTitle("设置密码").setView(inputServer).setNegativeButton ("取消", null);/在弹窗上设置标题添加输入框builder.setPositiveButton ("确认", newDialogInterface.OnClickListener () {public void onClick(DialogInterface dialog, in t which) {/设置 确认按钮String inputName = inputServer.getText().toString ();if ("".equals(inputName)) {/判断输入框内容是否为空Toast.makeText(AddActivity.this, "密码不能为空 请重新输入！",Toast.LENGTH LONG).show();} else {/输入框内容不为空lock = inputName;/密码locktype = "1";/添加了密码锁ib_lk.setBackgroundResource(R.drawable.locky);/设置添加锁图案Toast.makeText(AddActivity.this, "密码设置成功！", Toast.LENGTH LONG).show();}

}});builder.show();/弹出设置密码弹窗}

@Overridepublic View getView(final in t position, View convertView, ViewGroup parent) {Holder holder;if (convertView == null) {holder = new Holder ();convertView = inflater.inflate(R.layout.note item, null); holder.tv_note_id = (TextView) convertView.findViewById(http://R.id.tv noteid);holder.tv_locktype= (TextView) convertView.findViewById(http://R.id.tv locktype);holder.tv_lock= (TextView) convertView.findViewById(http://R.id.tv lock);holder.tv_note_title = (TextView) convertView.findViewById(http://R.id.tv note title);holder.tv_note_time = (TextView) convertView.findViewById(http://R.id.tv note time);holder.iv_img e = (ImageView)convertView.findViewById(R.id.iv imge);holder.im_datatime = (ImageView) convertView.findViewById(http://R.id.im datatime);holder.ll_bg = (RelativeLayout) convertView.findViewById(R.id.ll bg);convertView.setTag (holder);} else {holder = (Holder) convertView.getTag ();}dm = context.getResources().getDisplayMetrics();/获得系统屏幕信息 LinearLayout.LayoutParams imagebtn_params = newLinearLayout.LayoutParams(WindowManager.LayoutParams.WRAP CONTENT,WindowManager.LayoutParams.WRAP CONTENT);imagebtn_params.width = dm.widthPixels / 2;/imagebtn_params.height = dm.widthPixels / 2;/holder.ll_bg.setLayoutParams(imagebtn_params);holder.tv_note_id.setText(list.get(position).get_id());holder.tv_note_title.setText(list.get(position).getTitle());

holder.tv_note_time.setText(list.get(position).getTime());holder.tv_locktype.setText(list.get(position).getLocktype()); holder.tv_lock.setText(list.get(position).getLock());if (list.get(position).getDatatype().equals("0")) {/判断是否开启提 醒功能holder.im_datatime.setVisibility (View.GONE);} else {holder.im_datatime.setVisibility (View.VISIBLE);}if ("0".equals(list.get(position).getLocktype())) {/判断是否上锁 String context = list.get(position).getContext();/定义正则表达式，用于匹配路径Pattern p = Pattern.compile("/([^\\.]*)\\.\\w{3}"); Matcher m = p.matcher (context);while (m.find()) {String path = m.group ().toString ();String type = path.substring (path.length() - 3, path.length());Bitmap bm = null;Bitmap rbm = null;if (holder.iv_img e.getDrawable() == null) {FileInputStream f;try {f = new FileInputStream(m.group ());BitmapFactory.Options options = newBitmapFactory.Options();options.inJustDecodeBounds = true;Bitmap bmp = BitmapFactory.decodeFile(m.group (), options);options.inSampleSize = options.outHeight / 100;options.inJustDecodeBounds = false;options.inDither = false;options.inPreferredConfig = null;options.inPurgeable = true;options.inInputShareable = true;bm = BitmapFactory.decodeFile(m.group (), options); } catch (FileNotFoundException e) {/ TODO Auto-generated catch blocke.printStackTrace();}holder.iv_img e.setVisibility (View.VISIBLE); holder.tv_note_title.setLines(1);/一行holder.iv_img e.setImageBitmap (bm);

}}} else {/若上锁holder.tv_note_title.setVisibility (View.GONE);holder.iv_img e.setVisibility (View.VISIBLE);holder.iv_img e.setBackgroundResource(R.drawable.lock bg); }return convertView;}

//设置是否获得焦点状态，true 表示获得焦点，默认为 false ，表示未获得焦点 android:state_focused="true"android:drawable="@drawable/navigationbar_setting_pressed"//设置是否按压状态，一般在 true 时设置该属性，表示已按压状态，默认为 false android:state_pressed="true"android:drawable="@drawable/navigationbar_setting_default"

public void onOk(View view){EditText oldT = (EditText)findViewById(R.id.editText3); EditText newT1 = (EditText)findViewById(R.id.editText4); EditText newT2 = (EditText)findViewById(R.id.editText5);String old = oldT.getText().toString ();String new1 = newT1.getText().toString ();String new2 = newT2.getText().toString ();String yuan = getPass();if(yuan.equals(old)){if(new1.equals(new2)){writePass(new1);/单独写出来Toast.makeText(XiugaimimaActivity.this,"密码修改成功 新密 码："+new1,Toast.LENGTH LONG).show();XiugaimimaActivity.this.finish();}elseToast.makeText(XiugaimimaActivity.this,"两次密码不同 ",Toast.LENGTH LONG).show();}else{Toast.makeText(XiugaimimaActivity.this,"原始密码错误 ",Toast.LENGTH LONG).show();}}

public void writePass(String str) {String mi = str;File appDir = getFilesDir ();File f = new File(appDir, "abc.txt");FileOutputStream fstream = null;try {fstream = new FileOutputStream(f);fstream.write(mi.getBytes("UTF-8"));} catch (Exception e) {} finally {

try {fstream.close();} catch (Exception e2) {}}}