From a4efd55dc8c76745612ca8850c4e478a5d2ddee9 Mon Sep 17 00:00:00 2001 From: zhangyongpeng <2646282024@qq.com> Date: Wed, 4 Dec 2024 21:30:14 +0800 Subject: [PATCH] =?UTF-8?q?=E6=B3=A8=E9=87=8A=E4=BB=A3=E7=A0=81?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- AlarmAlertActivity.java | 200 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 200 insertions(+) create mode 100644 AlarmAlertActivity.java diff --git a/AlarmAlertActivity.java b/AlarmAlertActivity.java new file mode 100644 index 0000000..bd1d195 --- /dev/null +++ b/AlarmAlertActivity.java @@ -0,0 +1,200 @@ +/* + * 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; + +/** + * 报警提醒活动类，用于在笔记提醒时间到时显示提醒对话框并播放提醒声音 + */ +public class AlarmAlertActivity extends Activity implements OnClickListener, OnDismissListener { + // 笔记ID + private long mNoteId; + // 笔记摘要 + private String mSnippet; + // 摘要最大长度 + private static final int SNIPPET_PREW_MAX_LEN = 60; + // 媒体播放器实例 + MediaPlayer mPlayer; + + @Override + protected void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + // 移除标题栏 + requestWindowFeature(Window.FEATURE_NO_TITLE); + + // 设置窗口参数以确保在锁定屏幕时显示 + final Window win = getWindow(); + win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED); + + // 如果屏幕未开启，设置相关标志以唤醒屏幕 + if (!isScreenOn()) { + win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON + | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON + | WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON + | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR); + } + + // 获取启动此活动的意图 + Intent intent = getIntent(); + + try { + // 从意图中提取笔记ID，并获取笔记摘要 + mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1)); + mSnippet = DataUtils.getSnippetById(this.getContentResolver(), mNoteId); + // 如果摘要长度超过最大长度，进行截断并添加资源字符串 + 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(); + return; + } + + // 初始化媒体播放器 + mPlayer = new MediaPlayer(); + // 如果笔记存在且类型为笔记，则显示提醒对话框并播放提醒声音 + if (DataUtils.visibleInNoteDatabase(getContentResolver(), mNoteId, Notes.TYPE_NOTE)) { + showActionDialog(); + playAlarmSound(); + } else { + // 如果笔记不存在或不是笔记类型，则结束活动 + finish(); + } + } + + /** + * 检查屏幕是否开启 + * + * @return 屏幕开启返回true，否则返回false + */ + private boolean isScreenOn() { + PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); + return pm.isScreenOn(); + } + + /** + * 播放提醒声音 + */ + private void playAlarmSound() { + // 获取默认提醒铃声URI + Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM); + + // 获取静音模式下受影响的音频流类型 + int silentModeStreams = Settings.System.getInt(getContentResolver(), + Settings.System.MODE_RINGER_STREAMS_AFFECTED, 0); + + // 根据静音模式设置音频流类型 + if ((silentModeStreams & (1 << AudioManager.STREAM_ALARM)) != 0) { + mPlayer.setAudioStreamType(silentModeStreams); + } else { + mPlayer.setAudioStreamType(AudioManager.STREAM_ALARM); + } + try { + // 设置音频源并准备播放 + mPlayer.setDataSource(this, url); + mPlayer.prepare(); + mPlayer.setLooping(true); + mPlayer.start(); + } catch (IllegalArgumentException e) { + e.printStackTrace(); + } catch (SecurityException e) { + e.printStackTrace(); + } catch (IllegalStateException e) { + e.printStackTrace(); + } catch (IOException e) { + e.printStackTrace(); + } + } + + /** + * 显示提醒对话框 + */ + private void showActionDialog() { + AlertDialog.Builder dialog = new AlertDialog.Builder(this); + dialog.setTitle(R.string.app_name); + dialog.setMessage(mSnippet); + dialog.setPositiveButton(R.string.notealert_ok, this); + if (isScreenOn()) { + dialog.setNegativeButton(R.string.notealert_enter, this); + } + dialog.show().setOnDismissListener(this); + } + + /** + * 对话框点击事件处理 + * + * @param dialog 对话框实例 + * @param which 被点击的按钮标识 + */ + public void onClick(DialogInterface dialog, int which) { + switch (which) { + case DialogInterface.BUTTON_NEGATIVE: + // 如果点击了“进入”按钮，启动笔记编辑活动 + Intent intent = new Intent(this, NoteEditActivity.class); + intent.setAction(Intent.ACTION_VIEW); + intent.putExtra(Intent.EXTRA_UID, mNoteId); + startActivity(intent); + break; + default: + break; + } + } + + /** + * 对话框消失事件处理 + * + * @param dialog 对话框实例 + */ + public void onDismiss(DialogInterface dialog) { + // 停止播放提醒声音并结束活动 + stopAlarmSound(); + finish(); + } + + /** + * 停止播放提醒声音 + */ + private void stopAlarmSound() { + if (mPlayer != null) { + mPlayer.stop(); + mPlayer.release(); + mPlayer = null; + } + } +}