diff --git a/MiNote/doc/孙祖凯-2023317168-小米便签泛读报告.docx b/MiNote/doc/孙祖凯-2023317168-小米便签泛读报告.docx new file mode 100644 index 0000000..5c3449e Binary files /dev/null and b/MiNote/doc/孙祖凯-2023317168-小米便签泛读报告.docx differ diff --git a/MiNote%2Fdoc/小米便签开源代码的泛读报告 - 模板.docx b/MiNote/doc/小米便签开源代码的泛读报告 - 模板.docx similarity index 100% rename from MiNote%2Fdoc/小米便签开源代码的泛读报告 - 模板.docx rename to MiNote/doc/小米便签开源代码的泛读报告 - 模板.docx diff --git a/MiNote/src/net/micode/notes/ui/AlarmAlertActivity.java b/MiNote/src/net/micode/notes/ui/AlarmAlertActivity.java index 8f11e38..f9dc367 100644 --- a/MiNote/src/net/micode/notes/ui/AlarmAlertActivity.java +++ b/MiNote/src/net/micode/notes/ui/AlarmAlertActivity.java @@ -205,4 +205,228 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD mPlayer = null; } } +}/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.ui; + +import android.app.Activity; +import android.app.AlertDialog; +import android.content.Context; +import android.content.DialogInterface; +import android.content.DialogInterface.OnClickListener; +import android.content.DialogInterface.OnDismissListener; +import android.content.Intent; +import android.media.AudioManager; +import android.media.MediaPlayer; +import android.media.RingtoneManager; +import android.net.Uri; +import android.os.Bundle; +import android.os.PowerManager; +import android.provider.Settings; +import android.view.Window; +import android.view.WindowManager; + +import net.micode.notes.R; +import net.micode.notes.data.Notes; +import net.micode.notes.tool.DataUtils; + +import java.io.IOException; + +public class AlarmAlertActivity extends Activity implements OnClickListener, OnDismissListener { + private long mNoteId; //文本在数据库存储中的ID号 + private String mSnippet; //闹钟提示时出现的文本片段 + private long mNoteId; + private String mSnippet; + private static final int SNIPPET_PREW_MAX_LEN = 60; + MediaPlayer mPlayer; + + @Override + protected void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + //Bundle类型的数据与Map类型的数据相似，都是以key-value的形式存储数据的 + //onsaveInstanceState方法是用来保存Activity的状态的 + //能从onCreate的参数savedInsanceState中获得状态数据 + requestWindowFeature(Window.FEATURE_NO_TITLE); + //界面显示——无标题 + + final Window win = getWindow(); + win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED); + + if (!isScreenOn()) { + win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON + //保持窗体点亮 + | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON + //将窗体点亮 + | WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON + //允许窗体点亮时锁屏 + | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR); + }//在手机锁屏后如果到了闹钟提示时间，点亮屏幕 + + Intent intent = getIntent(); + + try { + mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1)); + mSnippet = DataUtils.getSnippetById(this.getContentResolver(), mNoteId); + //根据ID从数据库中获取标签的内容； + //getContentResolver（）是实现数据共享，实例存储。 + mSnippet = mSnippet.length() > SNIPPET_PREW_MAX_LEN ? mSnippet.substring(0, + SNIPPET_PREW_MAX_LEN) + getResources().getString(R.string.notelist_string_info) + : mSnippet; + //判断标签片段是否达到符合长度 + } catch (IllegalArgumentException e) { + e.printStackTrace(); + return; + } + /* + try + { + // 代码区 + } + catch(Exception e) + { + // 异常处理 + } + 代码区如果有错误，就会返回所写异常的处理。*/ + + /* + try + { + // 代码区 + } + catch(Exception e) + { + // 异常处理 + } + 代码区如果有错误，就会返回所写异常的处理。*/ + mPlayer = new MediaPlayer(); + if (DataUtils.visibleInNoteDatabase(getContentResolver(), mNoteId, Notes.TYPE_NOTE)) { + showActionDialog(); + //弹出对话框 + playAlarmSound(); + //闹钟提示音激发 + } else { + finish(); + //完成闹钟动作 + } + } + + private boolean isScreenOn() { + //判断屏幕是否锁屏，调用系统函数判断，最后返回值是布尔类型 + PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); + return pm.isScreenOn(); + } + + private void playAlarmSound() { + //闹钟提示音激发 + Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM); + //调用系统的铃声管理URI，得到闹钟提示音 + int silentModeStreams = Settings.System.getInt(getContentResolver(), + Settings.System.MODE_RINGER_STREAMS_AFFECTED, 0); + + if ((silentModeStreams & (1 << AudioManager.STREAM_ALARM)) != 0) { + mPlayer.setAudioStreamType(silentModeStreams); + } else { + mPlayer.setAudioStreamType(AudioManager.STREAM_ALARM); + } + try { + mPlayer.setDataSource(this, url); + //方法：setDataSource(Context context, Uri uri) + //解释：无返回值，设置多媒体数据来源【根据 Uri】 + mPlayer.prepare(); + //准备同步 + mPlayer.setLooping(true); + //设置是否循环播放 + mPlayer.start(); + //开始播放 + } catch (IllegalArgumentException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + //e.printStackTrace()函数功能是抛出异常， 还将显示出更深的调用信息 + //System.out.println(e)，这个方法打印出异常，并且输出在哪里出现的异常 + } catch (SecurityException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } catch (IllegalStateException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } catch (IOException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + } + + private void showActionDialog() { + AlertDialog.Builder dialog = new AlertDialog.Builder(this); + //AlertDialog的构造方法全部是Protected的 + //所以不能直接通过new一个AlertDialog来创建出一个AlertDialog。 + //要创建一个AlertDialog，就要用到AlertDialog.Builder中的create()方法 + //如这里的dialog就是新建了一个AlertDialog + dialog.setTitle(R.string.app_name); + //为对话框设置标题 + dialog.setMessage(mSnippet); + //为对话框设置内容 + dialog.setPositiveButton(R.string.notealert_ok, this); + //给对话框添加"Yes"按钮 + if (isScreenOn()) { + dialog.setNegativeButton(R.string.notealert_enter, this); + }//对话框添加"No"按钮 + dialog.show().setOnDismissListener(this); + } + + public void onClick(DialogInterface dialog, int which) { + switch (which) { + //用which来选择click后下一步的操作 + case DialogInterface.BUTTON_NEGATIVE: + //这是取消操作 + Intent intent = new Intent(this, NoteEditActivity.class); + //实现两个类间的数据传输 + intent.setAction(Intent.ACTION_VIEW); + //设置动作属性 + intent.putExtra(Intent.EXTRA_UID, mNoteId); + //实现key-value对 + //EXTRA_UID为key；mNoteId为键 + startActivity(intent); + //开始动作 + break; + default: + //这是确定操作 + break; + } + } + + public void onDismiss(DialogInterface dialog) { + //忽略 + stopAlarmSound(); + //停止闹钟声音 + finish(); + //完成该动作 + stopAlarmSound(); + finish(); + } + + private void stopAlarmSound() { + if (mPlayer != null) { + mPlayer.stop(); + //停止播放 + mPlayer.release(); + //释放MediaPlayer对象 + mPlayer.stop(); + mPlayer.release(); + mPlayer = null; + } + } } \ No newline at end of file diff --git a/MiNote/src/net/micode/notes/ui/AlarmInitReceiver.java b/MiNote/src/net/micode/notes/ui/AlarmInitReceiver.java index ff39688..31bcc11 100644 --- a/MiNote/src/net/micode/notes/ui/AlarmInitReceiver.java +++ b/MiNote/src/net/micode/notes/ui/AlarmInitReceiver.java @@ -33,6 +33,80 @@ public class AlarmInitReceiver extends BroadcastReceiver { private static final String [] PROJECTION = new String [] { NoteColumns.ID, NoteColumns.ALERTED_DATE + NoteColumns.ID, + NoteColumns.ALERTED_DATE + }; + //对数据库的操作，调用标签ID和闹钟时间 + private static final int COLUMN_ID = 0; + private static final int COLUMN_ALERTED_DATE = 1; + + @Override + public void onReceive(Context context, Intent intent) { + long currentDate = System.currentTimeMillis(); + //System.currentTimeMillis()产生一个当前的毫秒 + //这个毫秒其实就是自1970年1月1日0时起的毫秒数 + Cursor c = context.getContentResolver().query(Notes.CONTENT_NOTE_URI, + PROJECTION, + NoteColumns.ALERTED_DATE + ">? AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE, + new String[] { String.valueOf(currentDate) }, + //将long变量currentDate转化为字符串 + null); + //Cursor在这里的作用是通过查找数据库中的标签内容，找到和当前系统时间相等的标签 + + if (c != null) { + if (c.moveToFirst()) { + do { + long alertDate = c.getLong(COLUMN_ALERTED_DATE); + Intent sender = new Intent(context, AlarmReceiver.class); + sender.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, c.getLong(COLUMN_ID))); + PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, sender, 0); + AlarmManager alermManager = (AlarmManager) context + .getSystemService(Context.ALARM_SERVICE); + alermManager.set(AlarmManager.RTC_WAKEUP, alertDate, pendingIntent); + } while (c.moveToNext()); + } + c.close(); + } + //然而通过网上查找资料发现，对于闹钟机制的启动，通常需要上面的几个步骤 + //如新建Intent、PendingIntent以及AlarmManager等 + //这里就是根据数据库里的闹钟时间创建一个闹钟机制 + } +} +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.ui; + +import android.app.AlarmManager; +import android.app.PendingIntent; +import android.content.BroadcastReceiver; +import android.content.ContentUris; +import android.content.Context; +import android.content.Intent; +import android.database.Cursor; + +import net.micode.notes.data.Notes; +import net.micode.notes.data.Notes.NoteColumns; + + +public class AlarmInitReceiver extends BroadcastReceiver { + + private static final String [] PROJECTION = new String [] { + NoteColumns.ID, + NoteColumns.ALERTED_DATE }; //对数据库的操作，调用标签ID和闹钟时间 private static final int COLUMN_ID = 0; diff --git a/MiNote/src/net/micode/notes/ui/NoteEditActivity.java b/MiNote/src/net/micode/notes/ui/NoteEditActivity.java index d4f3af0..593ceee 100644 --- a/MiNote/src/net/micode/notes/ui/NoteEditActivity.java +++ b/MiNote/src/net/micode/notes/ui/NoteEditActivity.java @@ -1080,4 +1080,4 @@ public class NoteEditActivity extends Activity implements OnClickListener, private void showToast(int resId, int duration) { Toast.makeText(this, resId, duration).show(); } -}s \ No newline at end of file +}s}s}