diff --git a/src/Xiaominotes/app/src/main/java/net/micode/notes/ui/AlarmAlertActivity.java b/src/Xiaominotes/app/src/main/java/net/micode/notes/ui/AlarmAlertActivity.java index 85723be..227d5b4 100644 --- a/src/Xiaominotes/app/src/main/java/net/micode/notes/ui/AlarmAlertActivity.java +++ b/src/Xiaominotes/app/src/main/java/net/micode/notes/ui/AlarmAlertActivity.java @@ -38,7 +38,10 @@ import net.micode.notes.data.Notes; import net.micode.notes.tool.DataUtils; import java.io.IOException; - +/* +author:刘瑞轩 +日期：2023-4-12 +*/ public class AlarmAlertActivity extends Activity implements OnClickListener, OnDismissListener { private long mNoteId; @@ -48,23 +51,23 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD @Override protected void onCreate(Bundle savedInstanceState) { - super.onCreate(savedInstanceState); - requestWindowFeature(Window.FEATURE_NO_TITLE); + super.onCreate(savedInstanceState);//创建实例 + requestWindowFeature(Window.FEATURE_NO_TITLE);//没有标题 - final Window win = getWindow(); - win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED); + final Window win = getWindow();//获取一个窗口对象 + win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);//允许应用程序在设备处于锁定状态时显示窗口,如果该标志被设置，则即使用户没有解锁设备，该应用程序仍然可以正常运行。 - 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); + if (!isScreenOn()) {//在屏幕是关闭的情况下 + win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON//保持屏幕常亮，以防止设备进入休眠状态。 + | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON//在锁定状态下唤醒屏幕。如果该标志被设置，则当 Activity 启动时，系统将唤醒设备并点亮屏幕。 + | WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON//允许在屏幕常亮时锁定设备。 + | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR);//允许布局扩展到屏幕装饰区域（例如状态栏）之下。 } - Intent intent = getIntent(); + Intent intent = getIntent();//获取页面 try { - mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1)); + mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1));// mSnippet = DataUtils.getSnippetById(this.getContentResolver(), mNoteId); mSnippet = mSnippet.length() > SNIPPET_PREW_MAX_LEN ? mSnippet.substring(0, SNIPPET_PREW_MAX_LEN) + getResources().getString(R.string.notelist_string_info) @@ -89,11 +92,12 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD } private void playAlarmSound() { + //获取系统中当前默认的闹钟铃声所对应的 Uri，并将其赋值给 url 变量 Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM); - + //获取当前系统中哪些音频流会受到静音模式的影响 int silentModeStreams = Settings.System.getInt(getContentResolver(), Settings.System.MODE_RINGER_STREAMS_AFFECTED, 0); - + //如果STREAM_ALARM受到影响，那么就将音频流形式设置为silentModeStreams if ((silentModeStreams & (1 << AudioManager.STREAM_ALARM)) != 0) { mPlayer.setAudioStreamType(silentModeStreams); } else { @@ -101,7 +105,7 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD } try { mPlayer.setDataSource(this, url); - mPlayer.prepare(); + mPlayer.prepare();//于为音频播放做一些准备工作。具体来说，该方法会解析音频数据、分离音频轨道、获取音频格式信息等操作 mPlayer.setLooping(true); mPlayer.start(); } catch (IllegalArgumentException e) { @@ -121,22 +125,22 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD 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); + dialog.setTitle(R.string.app_name);//设置对话框的标题 + dialog.setMessage(mSnippet);//设置对话框的信息 + dialog.setPositiveButton(R.string.notealert_ok, this);//设置确认按钮，在确认按钮按下后显示对话框 if (isScreenOn()) { - dialog.setNegativeButton(R.string.notealert_enter, this); + dialog.setNegativeButton(R.string.notealert_enter, this);//关闭对话框 } - dialog.show().setOnDismissListener(this); + dialog.show().setOnDismissListener(this);//执行相关的动作 } 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); - intent.putExtra(Intent.EXTRA_UID, mNoteId); - startActivity(intent); + Intent intent = new Intent(this, NoteEditActivity.class);//新创建一个页面 + intent.setAction(Intent.ACTION_VIEW);//显示页面 + intent.putExtra(Intent.EXTRA_UID, mNoteId);//放入对应的数据库中 + startActivity(intent);//运行该页面 break; default: break; @@ -144,14 +148,14 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD } public void onDismiss(DialogInterface dialog) { - stopAlarmSound(); - finish(); + stopAlarmSound();//关闭闹钟铃声 + finish();//该页面结束 } private void stopAlarmSound() { - if (mPlayer != null) { - mPlayer.stop(); - mPlayer.release(); + if (mPlayer != null) {//如果该播放器存在 + mPlayer.stop();//停下 + mPlayer.release();//释放资源 mPlayer = null; } } diff --git a/src/Xiaominotes/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java b/src/Xiaominotes/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java index 96a9ff8..8631146 100644 --- a/src/Xiaominotes/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java +++ b/src/Xiaominotes/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java @@ -86,7 +86,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, private static final Map sBgSelectorBtnsMap = new HashMap(); static { - sBgSelectorBtnsMap.put(R.id.iv_bg_yellow, ResourceParser.YELLOW); + sBgSelectorBtnsMap.put(R.id.iv_bg_yellow, ResourceParser.YELLOW); sBgSelectorBtnsMap.put(R.id.iv_bg_red, ResourceParser.RED); sBgSelectorBtnsMap.put(R.id.iv_bg_blue, ResourceParser.BLUE); sBgSelectorBtnsMap.put(R.id.iv_bg_green, ResourceParser.GREEN); @@ -430,7 +430,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, if (id == R.id.btn_set_bg_color) { mNoteBgColorSelector.setVisibility(View.VISIBLE); findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility( - - View.VISIBLE); + View.VISIBLE); } else if (sBgSelectorBtnsMap.containsKey(id)) { findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility( View.GONE);