NoLED

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NoLED is an application designed to show notifications on your phone's screen. It displays different icons when missed events occur, such as Missed Calls, SMS, GTalk messages and Emails.

The app is released as a substitute for the absence of a physical notification LED on some of the newer Android devices (e.g. the Samsung Galaxy S, S2, Note).
The AMOLED screen consumes very little power when displaying a black pixel. Therefore, we can use the screen to display these notifications.

Features

• Shows notifications for the following events
• SMS/MMS
• Missed Calls
• GTalk messages
• GMail
• Voicemail
• K9 Email
• Other 3rd party apps of your choosing
• Ability to turn on/off each notification type.
• Customize colors of notifications on the screen.
• Choose to display an icon instead of a dot for each type of notification.
• Timeout the notifications if not dismissed after a period of time.
• Choose sleep/wake times per day for NoLED to auto-activate/deactivate. (For example, switch NoLED off during night hours).
• Activate NoLED only in Silent/Vibrate mode: NoLED will turn on in silent/vibrate mode and turn off in ringtone mode.
• Activate the proximity sensor to turn the screen off when in pockets.(save power)
• Ability to "Blink" or turn screen on/off at user-defined periods.
• Preview your icons and color selection with a "TEST" button.
• Apply your own custom icons for any third party app.

How to enable it

1. Install this application from this website or the Android Market.
2. Load the widget on your home screen. Long press anywhere on your home screen, select Widgets, then NoLED.
3. Click on the widget to activate NoLED.
   
4. Turn the screen off
5. At this point, the screen will turn on and display a notification when a missed event occurs.
6. To get back to your phone. You can use the "Home" physical button, or look into two options: "Use back button", and "Use power button". I recommend against trying to use the power button to unlock the phone when a notification is displayed because it tends to be more laggy than the other options.

Options

• Toggle Notifications
  You can enable/disable notifications from this menu. Please see next question for explaination on "Monitored Apps".
• Use icons
  You can customize the looks of the notifications. Checking these will enable the "icons" instead of the regular small "dots". From here, you can also choose which theme pack you would like to use for your icons. NoLED comes prepacked with some default themes, however, you can add more custom themes manually into your sdcard. For more information, please the section below. You can also "TEST" or Preview your setup from that menu.
• Set colors
  Customize the color of each notification here. You can also "TEST" or Preview your setup from that menu.
• Time attributes
  • Notification timeout: After displaying a notification for a certain time, NoLED will shut down preventing further battery drainage. (Useful for bedtime timeouts).
  • Dots moving time interval: Select the time in seconds for the icons/dots moving interval. (The dots and icons move around constantly on the screen to prevent LED burn.
  • Enable sleep: schedule NoLED to turn on/off automatically at these given times.
• Blink
  • This feature allows you to let NoLED switch the screen on and off at these times to save battery power even further. The screen should "Blink" every few seconds with the notification icons/dots.
  • On time: time to display the notifications.
  • Off time: time to switch screen off. Recommended to have a value greater than 5 seconds.
• Right dots placement
  This should place the dots on the top right corner instead of the top left corner (default).
• Disable touch screen
  This is enabled by default. It disables the touch drivers for the screen when NoLED is displaying notifications, which should save a great deal on battery life.
• Auto-start
  Automatically start NoLED when restarting your phone.
• Only in silent/vibrate mode
  This option will turn NoLED on only when phone is in silent/vibrate mode. Useful when in library, or meeting for example.
• Use power button
  Dismiss the notifications and get back to the lock screen using the power button. I recommend against this option because because of the lag it causes. See FAQ for details. (It is adviced to disable/enable NoLED using the widget after enabling or disabling this feature)
• Use back button
  Dismiss the notifications and get back to the lock screen using the back button.
• Delay SMS notification
  Delays the SMS notification trigger. This option is experimental and should not be used if SMS notifications are working fine. Ticking this option might fix compatibility issues with Handcent SMS popups.
• Delay All notification
  This option introduces a delay to all notifications. Useful when you heard the notification and want to give yourself a chance to unlock the phone manually before NoLED kicks in. Disable this option by setting it to 0 *zero*
• Dismiss with proximity sensor
  This allows NoLED to disable notifications when phone is in pocket/purse or turned upside down. Useful to save battery power in these scenarios. Note: NoLED will not display icons after taking phone out of proximity again. You'll need to switch your screen on to see what you missed, or wait for a new notification to trigger NoLED again.
• Proximity Sensor
  Similar to "Dismiss with proximity sensor" except that it will put the notifications back on the screen when no longer in proximity. In other words, this feature turns the screen off when your phone is in close proximity to objects (e.g. in your purse/pocket), and turns it back on when no longer in proximity. Use this feature to save battery power. Note: You can not use this feature in conjuction (at the same time) with the "Blink" feature.
• Vibrate
  This option will allow the phone to vibrate every user-set interval. It might not work correctly if you use "Blink" or the "Proximity Sensor" options.
• Audio notifications
  This option will allow the phone to sound a notification every user-set interval that serves as a reminder. It might not work correctly if you use the "Proximity Sensor" options. It might also not trigger in silent/vibrate mode.
• Log Monitored Apps
  This option helps you select apps under Monitored Apps. By enabling this, NoLED will start tracing/logging all notifications happening in your status bar. You can come back to this menu and select "Show Monitored Apps Log" to see the times and names of these apps. You can then go to Monitored Apps under Toggle Notifications and select these apps.
  For example, you don't want to use the NoLED Missed Call trigger but want it to be triggered using Monitored Apps. You select to Log Monitored Apps, and after you receive a missed call, you display the log and find out that an app called "Dialer" was responsible for displaying that notification in the status bar. You then go to Monitored Apps under Toggle Notification and select this app and you'll be notified of missed calls from here on out.

What about "Monitored Apps" notifications ?

Since version v4.0.4, NoLED uses Android's Accessibility APIs to trigger all other third party notifications. From now on, all applications' notifications will work even in silent/vibrate mode. You'll need to give NoLED Accessibility for Monitored Apps to function correctly.

Since v4.1, you now have a "Monitored Apps" list under "Toggle Notifications". Only events from these applications will trigger NoLED's notifications.

• If you chose "Use icons" for "All other", then you should also see the corresponding application's icon on the screen when you receive a missed event from said app.
• Sizes of these icons correspond to whatever you chose for "Themes" under "Use icons". Icons for apps will be "small", "medium", "bigger", and "even bigger".
• The color for the numeric counter (indicating how many missed events from said app) still corresponds to the color you select for "All other" under "Colors".
• More than one app notifying you of events while you were absent ? No problem! NoLED will display the unique icon of each notifying application.
• Long press on an app to select your own custom notification images.

Donation

If you like this application, please consider a donation by clicking on the link above.