/* * 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.app.PendingIntent; import android.app.AlarmManager; import android.content.ContentUris; import android.content.ContentValues; import android.content.Context; import android.content.DialogInterface; import android.content.DialogInterface.OnClickListener; import android.content.DialogInterface.OnDismissListener; import android.content.Intent; import android.database.Cursor; 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.util.Log; import android.view.Window; import android.view.WindowManager; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.LinearLayout; import android.widget.TextView; import android.widget.Toast; import net.micode.notes.R; import net.micode.notes.data.Notes; import net.micode.notes.tool.DataUtils; import java.io.IOException; import org.json.JSONArray; import org.json.JSONException; import org.json.JSONObject; import java.util.Calendar; //继承Activity //承诺实现click，dismiss接口，不继承功能 public class AlarmAlertActivity extends Activity implements OnClickListener, OnDismissListener { private static final String TAG = "AlarmAlertActivity"; private long mNoteId; private String mSnippet; private static final int SNIPPET_PREW_MAX_LEN = 60; MediaPlayer mPlayer; @Override //创建闹钟行为 protected void onCreate(Bundle savedInstanceState) { //调用其父类Activity的onCreate方法来实现对界面的图画绘制工作。 super.onCreate(savedInstanceState); //onSaveInstanceState()来保存当前activity的状态信息 requestWindowFeature(Window.FEATURE_NO_TITLE); //final类似stactic，获得窗口对象 final Window win = getWindow(); //为窗口添加各种标志（flags），从而改变窗口的行为和外观 //屏幕锁定时显示窗口，便于锁屏时启动闹钟 win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED); //LayoutParams 布局参数，规定子视图如何放置 if (!isScreenOn()) {//不锁平时 win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON//当这个window对用户是可见状态,则保持设备屏幕不关闭且不变暗 | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON//当window被添加或者显示,系统会点亮屏幕, | WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON//允许在屏幕开启的时候锁定屏幕 | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR);//插入window的矩形大小,来确保内容不会被装饰物(如状态栏)掩盖 } Intent intent = getIntent(); try { //传递到当前组件的 URI 数据，截取Uri内的字符串的第二个“/”右边的字符及id mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1)); //根据ID从数据库中获取标签的内容 mSnippet = DataUtils.getSnippetById(this.getContentResolver(), mNoteId); //判断是否超过最大长度，超过执行截取操作 mSnippet = mSnippet.length() > SNIPPET_PREW_MAX_LEN ? mSnippet.substring(0, SNIPPET_PREW_MAX_LEN) + getResources().getString(R.string.notelist_string_info) : mSnippet; } catch (IllegalArgumentException e) { e.printStackTrace();// 将异常的详细信息输出到标准错误流 return; } mPlayer = new MediaPlayer(); //如果不在回收站就显示文字并发出声音 if (DataUtils.visibleInNoteDatabase(getContentResolver(), mNoteId, Notes.TYPE_NOTE)) { int isHabit = intent.getIntExtra("habit_alarm", 0); if (isHabit == 1) { showHabitDialog(intent); } else { showActionDialog(); } playAlarmSound(); } else { finish(); } } private boolean isScreenOn() { //由电量判断屏幕状态 PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); return pm.isScreenOn(); } private void playAlarmSound() { //由铃声管理器获得默认铃声的uri Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM); //设置为有声铃声还是无声的参数 int silentModeStreams = Settings.System.getInt(getContentResolver(), Settings.System.MODE_RINGER_STREAMS_AFFECTED, 0); //无铃声模式且不报警就设置为无铃声 if ((silentModeStreams & (1 << AudioManager.STREAM_ALARM)) != 0) { mPlayer.setAudioStreamType(silentModeStreams); } else { mPlayer.setAudioStreamType(AudioManager.STREAM_ALARM); } try { mPlayer.setDataSource(this, url);//指定播放文件的路径 mPlayer.prepare(); mPlayer.setLooping(true);//设置循环播放 mPlayer.start(); } catch (IllegalArgumentException e) { // TODO Auto-generated catch block e.printStackTrace(); } 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是对话框组件，用于显示信息 AlertDialog.Builder dialog = new AlertDialog.Builder(this); dialog.setTitle(R.string.app_name); dialog.setMessage(mSnippet); dialog.setPositiveButton(R.string.notealert_ok, this); //setPositive/Negative/NeutralButton()设置：确定，取消，中立按钮； if (isScreenOn()) { dialog.setNegativeButton(R.string.notealert_enter, this); } dialog.show().setOnDismissListener(this); } // Habit specific dialog with actions: complete, snooze, skip, abandon private void showHabitDialog(Intent intent) { View v = getLayoutInflater().inflate(R.layout.habit_alert_dialog, null); TextView tvTitle = (TextView) v.findViewById(R.id.habit_alert_title); TextView tvSnippet = (TextView) v.findViewById(R.id.habit_alert_snippet); final Button btnComplete = (Button) v.findViewById(R.id.habit_btn_complete); final Button btnSnooze10 = (Button) v.findViewById(R.id.habit_btn_snooze10); final Button btnSnooze30 = (Button) v.findViewById(R.id.habit_btn_snooze30); final Button btnSkip = (Button) v.findViewById(R.id.habit_btn_skip); final Button btnAbandon = (Button) v.findViewById(R.id.habit_btn_abandon); tvTitle.setText(getString(R.string.app_name)); tvSnippet.setText(mSnippet); final AlertDialog d = new AlertDialog.Builder(this) .setView(v) .create(); btnComplete.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { recordHabitHistory(mNoteId, "completed", ""); Toast.makeText(AlarmAlertActivity.this, R.string.habit_record_complete, Toast.LENGTH_SHORT).show(); d.dismiss(); } }); btnSnooze10.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { scheduleSnooze(mNoteId, 10); Toast.makeText(AlarmAlertActivity.this, R.string.habit_snoozed, Toast.LENGTH_SHORT).show(); d.dismiss(); } }); btnSnooze30.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { scheduleSnooze(mNoteId, 30); Toast.makeText(AlarmAlertActivity.this, R.string.habit_snoozed, Toast.LENGTH_SHORT).show(); d.dismiss(); } }); btnSkip.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { showSkipReasonDialog(); // 不要立即关闭对话框，让用户选择原因 } }); btnAbandon.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { abandonHabit(mNoteId); Toast.makeText(AlarmAlertActivity.this, R.string.habit_abandoned, Toast.LENGTH_SHORT).show(); d.dismiss(); } }); d.setOnDismissListener(this); d.show(); } private void showSkipReasonDialog() { final String[] reasons = new String[] { getString(R.string.skip_reason_busy), getString(R.string.skip_reason_sick), getString(R.string.skip_reason_other) }; AlertDialog.Builder b = new AlertDialog.Builder(this); b.setTitle(R.string.habit_skip_title); b.setItems(reasons, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { String reason = reasons[which]; recordHabitHistory(mNoteId, "skipped", reason); Toast.makeText(AlarmAlertActivity.this, R.string.habit_record_skipped, Toast.LENGTH_SHORT).show(); // 选择原因后关闭主对话框 dialog.dismiss(); finish(); } }); b.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { dialog.dismiss(); } }); b.show(); } private void scheduleSnooze(long noteId, int minutes) { try { Intent intent = new Intent(this, AlarmReceiver.class); intent.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId)); intent.putExtra("habit_alarm", 1); int req = (int) (noteId ^ 0x100000) + minutes; // unique-ish PendingIntent pi = PendingIntent.getBroadcast(this, req, intent, 0); AlarmManager am = (AlarmManager) getSystemService(ALARM_SERVICE); long trigger = System.currentTimeMillis() + minutes * 60 * 1000L; am.set(AlarmManager.RTC_WAKEUP, trigger, pi); } catch (Exception e) { Log.e(TAG, "Schedule snooze error", e); } } private void abandonHabit(long noteId) { try { ContentValues values = new ContentValues(); values.put(Notes.NoteColumns.IS_HABIT, 0); values.put(Notes.NoteColumns.HABIT_CONFIG, ""); getContentResolver().update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), values, null, null); // cancel repeating alarm Intent intent = new Intent(this, AlarmReceiver.class); intent.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId)); intent.putExtra("habit_alarm", 1); PendingIntent pi = PendingIntent.getBroadcast(this, 0, intent, 0); AlarmManager am = (AlarmManager) getSystemService(ALARM_SERVICE); am.cancel(pi); } catch (Exception e) { Log.e(TAG, "Abandon habit error", e); } } // Record history into habit_config.history (append object {date,status,reason}) private void recordHabitHistory(long noteId, String status, String reason) { try { Uri uri = ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId); Cursor c = getContentResolver().query(uri, new String[]{Notes.NoteColumns.HABIT_CONFIG}, null, null, null); String cfg = ""; if (c != null) { if (c.moveToFirst()) cfg = c.getString(0); c.close(); } JSONObject jo = cfg != null && cfg.length() > 0 ? new JSONObject(cfg) : new JSONObject(); JSONArray history = jo.has("history") ? jo.getJSONArray("history") : new JSONArray(); // 获取当前时间戳 long recordTime = System.currentTimeMillis(); // 创建新记录 JSONObject newEntry = new JSONObject(); newEntry.put("date", recordTime); newEntry.put("status", status); newEntry.put("reason", reason == null ? "" : reason); // 检查是否已经存在该日期的记录，如果有则替换 java.text.SimpleDateFormat sdf = new java.text.SimpleDateFormat("yyyy-MM-dd", java.util.Locale.getDefault()); String recordKey = sdf.format(new java.util.Date(recordTime)); boolean foundRecord = false; for (int i = 0; i < history.length(); i++) { JSONObject entry = history.getJSONObject(i); long entryDate = entry.optLong("date", 0); String entryKey = sdf.format(new java.util.Date(entryDate)); if (recordKey.equals(entryKey)) { // 替换该日期的记录 history.put(i, newEntry); foundRecord = true; break; } } // 如果没有该日期的记录，添加新记录 if (!foundRecord) { history.put(newEntry); } jo.put("history", history); ContentValues values = new ContentValues(); values.put(Notes.NoteColumns.HABIT_CONFIG, jo.toString()); getContentResolver().update(uri, values, null, null); // 通知数据变化，以便日历视图刷新 getContentResolver().notifyChange(uri, null); } catch (JSONException e) { Log.e(TAG, "Record habit history json error", e); } } public void onClick(DialogInterface dialog, int which) { switch (which) { case DialogInterface.BUTTON_NEGATIVE: Intent intent = new Intent(this, NoteEditActivity.class); intent.setAction(Intent.ACTION_VIEW);//执行安卓内置操作查看数据 intent.putExtra(Intent.EXTRA_UID, mNoteId);//向目标页面传递笔记的ID startActivity(intent);//触发页面跳转 break; default: break; } } //取消监听后操作 public void onDismiss(DialogInterface dialog) { stopAlarmSound(); finish(); } //取消声音 private void stopAlarmSound() { if (mPlayer != null) { mPlayer.stop(); mPlayer.release(); mPlayer = null; } } }