Pressing a touchscreen is a way for user to interact with mobile device. This pressure can be detected and analyzed.
Questions tagged [pressure]
80 questions
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Pressure force on screen detection using flutter dart
I am searching for a function in flutter (web) that can detect the amount of pressure tap force on the screen. Any help?

Abed Baltaji
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Define saturation temperature? other properties in function of P and Quality?
I am new in Dymola and I am having some problems to calculate some properties of my working fluid (methane), is there a way to define the saturation temperature, latent heat of vaporization, density, in function of the Pressure and Quality (Q=0…

ea7v
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How to create memory pressure and analyze various trends /proc/pressure/memory from that (python/bash)
From stack overflow I found :
a = []
while True:
print len(a)
a.append(' ' * 10**6)
But this ate up memory so quickly in real world memory pressure happens due to slow leakage in memory. I do not have any stress tool access. I tried doing…
user14121116
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1 answer
Web services giving latest sea level pressure using GPS location
Are there any web services providing latest sea level pressure using latitude and longitude from GPS?I know GPS provides the same, but we can acquire more accurate value from web services.
Thanks
Dheeps

dheeps
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Determining whether a screen is pressure-sensitive
How do I query for the features that an Android touchscreen supports? In particular, I want to know whether yet-to-be-received input on the screen will emit values for pressure, major axis width, and minor axis width.
I'm not doing this to limit my…

Joe Lapp
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Low Pass Filter for Android Pressure Sensor
Have tried to adapt the android developer documentation for accelerator LPF but it does not seem to work with pressure
float pressure_value = 0.0f;
float height = 0.0f;
float height2 = (float) 964.98;
final float alpha = (float)…

dvlax40
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1 answer
iOS: Get current atmospheric pressure from iPhone 6 with M8 chip
As I understand the official Apple documentation it's only possible to get the relative altitude change out of the new M8 chip which is in every new iPhone 6 and 6 plus.
What I need is the current atomspheric pressure (absolute value is fine, I do…

user2129035
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How to get pen pressure data from the samsung galaxy note pro stylus inside chrome?
Basicly in javascript in my html I want to be able to do something like this.
var penpressure = inputDevice.getPressure();
console.log(penpressure);
Ideally this would work for other kinds of pressure inputs as well, wacom on desktop machines…

rende
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Calculating pressure drop speed in automation system
I have a problem. How would you calculate pressure drop speed, if you only get data from a manometer? I need a specific drop speed in [bar/h], and can only read pressure in [bar]. I can't think of a way I can do that in my software, except for…

user3332054
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1 answer
How to get pressure from on screen (Virtual) keyboard? (Android)
I need to get some information from the on screen keyboard such as pressure, KeyDown and KeyUp in Android but don't know how to do that.
The android official site says that:
Note: When handling keyboard events with the KeyEvent class and
related…

Eb Abadi
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AVCAM terminated due to memory pressure
Basically, my app starts with a View with a button that calls AVCamViewController. In the AVCamViewController I have a back button.
The thing is, if I run the app and repeat 8 times the following cycle: "pressing the button to AVCamViewController…

diogo.appDev
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Galaxy Note2: pressure sensor stops on screen off
I am trying to record pressure data on a Samsung N7100.
My problem is that the onSensorChanged() Method won't be called after the screen has gone dark. On screen on everything starts working fine again.
Can anybody point me in the right direction?…

PaulSimon
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iPad - biometric signature - getPressure touch
I need to create an app for iPad, where the client can make a signature and i can get coordinates, acceleration and pressure of touch. For draw, coordinates and acceleration no problem. but i can't get pressure. I tried with…

user1020920
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The pressure on touchscreen of Android 4.0
When I tap the screen of Android 4.0, the value of getPressure() is always 1.0. The value is okay on Android 2.1. Is there any problem?
The testing device is Samsung Galaxy S III.
The code is like this:
@Override
public boolean…

user1550885
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How can I get current atmospheric pressure for my latitude and longitude?
I want to get current atmospheric pressure given a latitude and longitude from some kind of remote service, so I can compare it to the pressure sensor's reading and come up with an altitude.
Unfortunately TWC and and World Weather Online have usage…

Joey
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