Develop Bugs

What's the point of the lockscreen?

"Locking" the keypad on my old candy bar phone made sense - if you didn't, buttons were always pressed and people were sometimes dialed from your pocket. I can also see the case for a lockscreen on the iPhone, for example, since maybe its home button can be pressed accidentally as well. However, for the EVO and for the Pre I had before it, the only way to turn on the device is via the power button up top, which is surely not going to be pressed on accident (especially with the EVO where it's only slightly raised and must be pressed deliberately). Because of this, the lockscreen serves practically no purpose, except to add an extra redundant step before using your phone. It might be more useful if it showed all recent notifications on it webOS-style, but since it only shows the most recent one, it's not very good for that either, and it isn't a big deal to pull down the shade once you're in the phone.
So, unless you actually secure your phone with a password/gesture/PIN, is there really any point to the lockscreen?

Im going to go on a guess here but the purpose of the lock screen is , in the event that the phone is in your pocket "Granted highly unlikely" the button does get pushed another process of slidding your finger down the screen to unlock would also be needed . I believe the phone sitting in a pocket or a purse or case it would be even more difficult for the sliding motion on the screen to happen . Just an extra safe guard more or less .

You can use SwitchPro Widget to disable the lockscreen if you want.

Because its part of Android and the Evo isn't the only Android phone.
...yep.

nebenezer said:
You can use SwitchPro Widget to disable the lockscreen if you want.
Click to expand...
Click to collapse
Is there an app or a way to just use the pattern lock as opposed to the slide down lock? I'd rather just have the pattern lock when unlocking rather than the swipe screen lock and then a pattern lock.

Also no lock works like a charm.
Sent from my EVO using XDA App

engagedtosmile said:
Because its part of Android and the Evo isn't the only Android phone.
...yep.
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Click to collapse
This is one reason. The other is simply because iPhone has it and it is Android competition, there is no denying that the development tries to outdo each other.
I do understand the OP's reasoning, with the build of HTC EVO 4G, lockscreen is not necessary. On the other hand, it is advised to lock your screen with either PIN or pattern just in case you lose your device. It is part of personal security responsibility.

ritzbrie said:
Is there an app or a way to just use the pattern lock as opposed to the slide down lock? I'd rather just have the pattern lock when unlocking rather than the swipe screen lock and then a pattern lock.
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Click to collapse
I'm using the latest CM6 nightly ( so i have the Vanilla lockscreen ) & if i have a pattern set, that is what i see when i press the power button, & after entering the pattern, my phone is unlocked. No need to swipe before or after.
Not sure what ROM you're using, but if it possible to use the Vanilla Lockscreen, you can probably get the same result.

Veritas06 said:
I'm using the latest CM6 nightly ( so i have the Vanilla lockscreen ) & if i have a pattern set, that is what i see when i press the power button, & after entering the pattern, my phone is unlocked. No need to swipe before or after.
Not sure what ROM you're using, but if it possible to use the Vanilla Lockscreen, you can probably get the same result.
Click to expand...
Click to collapse
Stock Sense, unrooted. If you put the pattern on you first have to unlock the screen before you can do the pattern. It is pretty retarded.

My phone's screen turns on occasionally for certain notifications and alerts, and if it isn't for the lockscreen, in the 30 seconds it takes for the screen to turn off again, i can easily butt-dial someone or do something else stupid.

ritzbrie said:
Stock Sense, unrooted. If you put the pattern on you first have to unlock the screen before you can do the pattern. It is pretty retarded.
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Click to collapse
It doesn't do this anymore with froyo, you can change the settings so it doesn't do the swipe only the unlock pattern or vice versa.

bluehaze said:
It doesn't do this anymore with froyo, you can change the settings so it doesn't do the swipe only the unlock pattern or vice versa.
Click to expand...
Click to collapse
Are their any special instructions for doing this? Im on Evo with 2.2 and I still get the swipe screen with the pattern or PIN enabled.

bluehaze said:
It doesn't do this anymore with froyo, you can change the settings so it doesn't do the swipe only the unlock pattern or vice versa.
Click to expand...
Click to collapse
Are you sure...I don't see such a setting.

lacrossev said:
My phone's screen turns on occasionally for certain notifications and alerts, and if it isn't for the lockscreen, in the 30 seconds it takes for the screen to turn off again, i can easily butt-dial someone or do something else stupid.
Click to expand...
Click to collapse
I'm sorry, normally I wouldn't clutter up xda with an off topic post, but I actaully lol'ed at butt-dial - never heard that term before

bluehaze said:
It doesn't do this anymore with froyo, you can change the settings so it doesn't do the swipe only the unlock pattern or vice versa.
Click to expand...
Click to collapse
I too was unable to get this to work. I saw no setting to disable the slick to unlock.

you would really think it would be near impossible to butt-dial someone on the EVO, but leave it to me to prove to be the exception to the rule, I had the lock screen enabled even!!! and somehow in my pocket I called the same guy like 3 times over on the drive home one day... lucky it was a good friend of mine.

Come on, we all know why: Because the iPhone had one. If every other phone didn't have a lock screen, imagine the kind of elitist harassment we'd get from the Apple camp.
"Oh, your screen just comes on? Strange. My iPhone has a lock screen. I just swipe my finger and it unlocks, it's way cool. I can even put a lock code on it. But, no, your phone is cute. I like the little robot guy."
And so forth.

mrass26 said:
you would really think it would be near impossible to butt-dial someone on the EVO, but leave it to me to prove to be the exception to the rule, I had the lock screen enabled even!!! and somehow in my pocket I called the same guy like 3 times over on the drive home one day... lucky it was a good friend of mine.
Click to expand...
Click to collapse
wait, what the hell...? You keep your phone in your back pocket? sitting on it?
May the Evo gods have pity on your soul... don't you know it gets its own front pocket, no keys, no coins, no lint, no nothing!

ScrapMaker said:
wait, what the hell...? You keep your phone in your back pocket? sitting on it?
May the Evo gods have pity on your soul... don't you know it gets its own front pocket, no keys, no coins, no lint, no nothing!
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Click to collapse
Lol...I dedicated a pocket too. Nothing is allowed in my right front pocket but my phone. I have to force myself because with my g1 I had gotten to the point where I didn't care.

ccicchitelli said:
I too was unable to get this to work. I saw no setting to disable the slick to unlock.
Click to expand...
Click to collapse
It may be different depending on which ROM you're running, but I was able to get the pattern unlock without the slide unlock with CM6 RC1 using this method:
- Settings
- Location and Security
- Set up screen lock
- Pattern (add pattern here)

Fingerprint senor only wakes, doesn't unlock

This is what is happeing to me. If my phone is locked for more than 20 minutes or so, when I use my fingerprint to unlock the phone, it only wakes th phone, I.e.turns the backlight on, but doesn't unlock it.
The fingrprint registers correctly, as the screen wouldn't wake otherwise. I'm struggling to understand what the problem could be.. maybe its Go Launcher? Maybe its lightflow? Or someway around notifications?

do u have a pin set up or pattern

Yes I do. When I use my fingerprint, it takes me to the screen to input my PIN

TarunN5 said:
This is what is happeing to me. If my phone is locked for more than 20 minutes or so, when I use my fingerprint to unlock the phone, it only wakes th phone, I.e.turns the backlight on, but doesn't unlock it.
The fingrprint registers correctly, as the screen wouldn't wake otherwise. I'm struggling to understand what the problem could be.. maybe its Go Launcher? Maybe its lightflow? Or someway around notifications?
Click to expand...
Click to collapse
I had the same issue when I turned on douple tap to sleep in novalauncher. Once I disabled it, the fingerprint reader unlocked my phone, not taking me to the pattern screen. Its certainly a software problem, I guess it's your launcher.

I'm using a older version of Go Launcher EX (5.09). Its very old, but does the job for me.. unfortunatly it doesn't have the double tap option.
I'll try disabling it and see if th problem persists
Edit:
With the Google Now launcher, when I use this app to lock, the same problem occurs. I lock by clicking the app, but then when I try to unlock using fingerprint, it takes me to the PIN screen
https://play.google.com/store/apps/details?id=com.screen.lock.screen

If you want to use fingerprint unlock function, you need to install FingerprintEnabler xposed module. Else the fingerprint to screen on and ask for pin or pattern is the default behavior..!

Is the Fingerprint Scanner perminantly ON?

Hi Guys,
I'm thinking about buying this phone for a friend and need to understand how the fingerprint scanner works.
On my One Plus 3, the scanner is ON all the time which makes it awesome, (but probably eats battery.) :victory:
On my Galaxy Tab S2, you have to press the scanner to turn it on first, which makes the whole process much worse.
Is the scanner on the P2 always ON, (like the One Plus 3,) or does it require a press to wake it up? (like on Samsung devices.)
Thanks in advance. :highfive:

The scanner is always on.. you don't need to wake the phone to use it.. the battery drain is minimal
Sent from my Lenovo P2a42 using Tapatalk

Uibon said:
The scanner is always on.. you don't need to wake the phone to use it.. the battery drain is minimal
Sent from my Lenovo P2a42 using Tapatalk
Click to expand...
Click to collapse
Thanks Uibon. :highfive:
Is it a physical button? i.e. presses in, or is it just purely capacitive?
My Samsung also has an issue where if you lock the screen using an app, (Power Toggles,) you can't unlock the phone with your fingerprint. Any idea if the P2 suffers the same issue?

It's both. The fingerprint sensor is capacitive and works by just placing one's finger on it. There are also many gestures that work on the capacitive sensor like tap to go back long press to view recent apps. The button is also physical pressing it brings you to home screen and long press brings up Google assistant
Sent from my Lenovo P2a42 using Tapatalk

Uibon said:
It's both. The fingerprint sensor is capacitive and works by just placing one's finger on it. There are also many gestures that work on the capacitive sensor like tap to go back long press to view recent apps. The button is also physical pressing it brings you to home screen and long press brings up Google assistant
Sent from my Lenovo P2a42 using Tapatalk
Click to expand...
Click to collapse
Ok Uibon,
So to unlock the phone, do you just place your finger on the sensor (without pressing it down,) or do you have to press it down as well? I ask this as on my Tab S2, having to press down also results in many incorrect reads.
Its a pity Lenovo didn't put a lock screen gesture in the fingerprint scanner like One Plus. It by far the best system I've ever used. :angel:

It works like the fingerprint on the OnePlus.. just place the finger to make it work no pressing the button necessary.
Sent from my Lenovo P2a42 using Tapatalk

Uibon said:
It works like the fingerprint on the OnePlus.. just place the finger to make it work no pressing the button necessary.
Sent from my Lenovo P2a42 using Tapatalk
Click to expand...
Click to collapse
Excellent Uibon, :victory:
Just need to sort out now the issue of using an app to lock the screen and understand if this takes away the ability to unlock next time with the fingerprint.

Masteryates said:
Excellent Uibon, :victory:
Just need to sort out now the issue of using an app to lock the screen and understand if this takes away the ability to unlock next time with the fingerprint.
Click to expand...
Click to collapse
Just tried screen lock widget and it requires pin to unlock after using it. Finger does not work.

I am using nova prime and double tap to sleep and i can wake from finger print sensor iff you use timeout lockscreen method which means after you double tap the screen to lock the it screen goes black instantlly but the actual full screen lock engages after 30sec allowing the phone to screen to be locked through its own system hence the fingerprint wake works normal. I am not aware of other launchers that have this but nova prime has it.

Masteryates said:
Excellent Uibon, :victory:
Just need to sort out now the issue of using an app to lock the screen and understand if this takes away the ability to unlock next time with the fingerprint.
Click to expand...
Click to collapse
That's an Android security limitation and all phones do that I believe. I think some apps can "trick" the phone by turning the screen off and let the timeout do the locking but I'm not sure.

If you have root access then they'll work. Else they won't. It's a security feature and uses device admin rights to lock the phone. Which means the device admin should unlock it by the most secure way. That's​ pin password or pattern.
It's not device specific and hence it's nothing to blame Lenovo

dannejanne said:
That's an Android security limitation and all phones do that I believe. I think some apps can "trick" the phone by turning the screen off and let the timeout do the locking but I'm not sure.
Click to expand...
Click to collapse
You are correct dannejanne. Some OEM's have realised how stupid it is and have sorted it out.
On the One Plus 3, you can securely unlock the phone and relock all with one finger while your phone is on your desk. You can do this better and faster than any other phone. As it's something you do so many times a day, it's time for the other OEM's to blatantly copy this.

G7 Pre Purchase Questions Please

Ready to upgrade my V30 to a G7. Trying to find out if it has lift to wake like my old Pixel. I miss being able to just pickup the phone and see the clock and notifications. Thanks for your help.

Yes it has, even better, lift to wake and face unlock without swipe up.

It doesn't have lift to wake up but it has Always on display wich shows you the clock and what nothifications you have.

Yes it has. Just enable face unlock... Also you can enable swipe up to unlock if you want to see the lock screen...

Here is the prof...

Inerent said:
Here is the prof...
Click to expand...
Click to collapse
Not really the same. Lift to wake turns the screen on when lifting. This option unlocks your device.

This option turns my screen on. Period. I think the OP has the sollution.

Q: Fingerprint while on phone call

This has been bugging the ISH out of me....
On my OP6.. if i was on a call and i touched my FP sensor it unlocks the phone for me to access anything i want.
When on my P3XL doing the same doesn't produce the same results at all, i have to bring down notification window press settings and then it asks for FP.
I also have my navbar hidden, which can be affecting how this entire thing functions too, not sure.
Has someone figured out a way around this?

I just called my phone from my work number and the fingerprint sensor unlocked. Phone was locked when I called it, I called my phone, swiped up to answer. While in the call I tapped the home button and was taken to the lock screen. Touching fingerprint sensor brought me to home screen. With the screen off, touching fingerprint sensor also unlocked and brought me to the home screen.

fury683 said:
I just called my phone from my work number and the fingerprint sensor unlocked. Phone was locked when I called it, I called my phone, swiped up to answer. While in the call I tapped the home button and was taken to the lock screen. Touching fingerprint sensor brought me to home screen. With the screen off, touching fingerprint sensor also unlocked and brought me to the home screen.
Click to expand...
Click to collapse
well that's because you still have your home button..
I suppose this is more relative to those using gestures and hid their navbar...

I also did it with screen off, as I said, and it worked both ways.

fury683 said:
I also did it with screen off, as I said, and it worked both ways.
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Click to collapse
wth , so i have a phone call ongoing, i place my finger on theFP sensor .
i swipe up to go home, nothing happens. , doesn't even ask me for a FP

masri1987 said:
wth , so i have a phone call ongoing, i place my finger on theFP sensor .
i swipe up to go home, nothing happens. , doesn't even ask me for a FP
Click to expand...
Click to collapse
Try shutting the screen off first. I just tried again and with phone locked got a call and pressed sensor with screen on and nothing happened. Tap power first then touch sensor and it should unlock. I don't have gesture nav so I can't rest that part.

masri1987 said:
wth , so i have a phone call ongoing, i place my finger on theFP sensor .
i swipe up to go home, nothing happens. , doesn't even ask me for a FP
Click to expand...
Click to collapse
What gesture app are you using. Some will pause themselves when the phone is locked. When you answer the phone while it's locked the app may have paused it's self so it's not really running. That's why your swipe up to go home is not working

hatdrc said:
What gesture app are you using. Some will pause themselves when the phone is locked. When you answer the phone while it's locked the app may have paused it's self so it's not really running. That's why your swipe up to go home is not working
Click to expand...
Click to collapse
Oneplus gestures app..
Also noticed it not working when google assistant is up either