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android Programming Glossary: digitalAndroid + Arduino Bluetooth Data Transfer http://stackoverflow.com/questions/10327506/android-arduino-bluetooth-data-transfer Serial.read bluetooth.print toSend flashLED void flashLED digitalWrite 53 HIGH delay 500 digitalWrite 53 LOW I've tried using.. flashLED void flashLED digitalWrite 53 HIGH delay 500 digitalWrite 53 LOW I've tried using 115200 and 9600 for the baud rates.. this page. Seems that my Arduino doesn't like me using digital pins for serial communication I use TX and RX instead with this..
http://stackoverflow.com/questions/15087668/how-to-convert-pcm-samples-in-byte-array-as-floating-point-numbers-in-the-range be interested in the slides from my talk on the basics of digital audio programming which has a slide on this topic although it..
Best Android 2.0 development book? [closed] http://stackoverflow.com/questions/1690201/best-android-2-0-development-book specific title and that book is available primarily in digital form . My other two main books will be updated with some Android.. will be updated with some Android 2.0 content shortly digital editions by the end of the year printed editions in early 2010...
Which mobile operating system should I code for? [closed] http://stackoverflow.com/questions/2441649/which-mobile-operating-system-should-i-code-for iTunes is still the best and most trusted way to pay for digital content. Android is probably the second runner but not so popular..
Why does the app signature change in Android after a classpath change? http://stackoverflow.com/questions/2458931/why-does-the-app-signature-change-in-android-after-a-classpath-change classpath reinstall share improve this question The digital signature is driven by a signing key that exists on the machine..
Tablet(iPad/Android)-Server Communication Protocol http://stackoverflow.com/questions/4050166/tabletipad-android-server-communication-protocol in Enterprise java by Bruce Eckel you can access the digital edition for free. In C C Objective C things are more complicated..
Getting decibel from an android microphone http://stackoverflow.com/questions/4271989/getting-decibel-from-an-android-microphone the time domain impulse response and then use that as a digital filter by convolving it with an input signal to apply a frequency..
How to use a custom typeface in a widget? http://stackoverflow.com/questions/4318572/how-to-use-a-custom-typeface-in-a-widget to use a custom typeface in a widget I have a digital clock widget. How can I use a custom font from assets fonts..
How to calculate distance based on phone acceleration http://stackoverflow.com/questions/4329164/how-to-calculate-distance-based-on-phone-acceleration acceleration distance integrate velocity and in the digital world it is even easier you use discrete math where integration..
Playing back sound coming from microphone in real-time http://stackoverflow.com/questions/5728454/playing-back-sound-coming-from-microphone-in-real-time try to be clear but not to chew your own gum . PCM is a digital representation of an analog signal in which your audio samples..
Android: DigitalClock remove seconds http://stackoverflow.com/questions/7610549/android-digitalclock-remove-seconds for adding a clock to my app DigitalClock android id @ id digitalclock android layout_width wrap_content android layout_height.. of hh mm ss any suggestions Thanks java android clock digital share improve this question Found the answer here for anyone.. android id @ id fragment_clock_digital android layout_width wrap_content android layout_height wrap_content..
Android serial port via audio jack http://stackoverflow.com/questions/8425617/android-serial-port-via-audio-jack Doing this you can essentially use your Android phone as a digital oscilloscope. You can then programatically convert this back.. You can then programatically convert this back to digital I O. Serial output Android audio input Sampled square block.. output Android audio input Sampled square block wave digital I O Please note that most serial levels are either 5V or 3.3V...
Android + Arduino Bluetooth Data Transfer http://stackoverflow.com/questions/10327506/android-arduino-bluetooth-data-transfer usb serial to bluetooth if Serial.available char toSend char Serial.read bluetooth.print toSend flashLED void flashLED digitalWrite 53 HIGH delay 500 digitalWrite 53 LOW I've tried using 115200 and 9600 for the baud rates and I've tried setting the.. char toSend char Serial.read bluetooth.print toSend flashLED void flashLED digitalWrite 53 HIGH delay 500 digitalWrite 53 LOW I've tried using 115200 and 9600 for the baud rates and I've tried setting the bluetooth rx and tx pins as input.. Just solved the problem for anyone else who came across this page. Seems that my Arduino doesn't like me using digital pins for serial communication I use TX and RX instead with this code taken from http jondontdoit.blogspot.com.au 2011 11..
http://stackoverflow.com/questions/15087668/how-to-convert-pcm-samples-in-byte-array-as-floating-point-numbers-in-the-range on http dsp.stackexchange.com not here. You might also be interested in the slides from my talk on the basics of digital audio programming which has a slide on this topic although it basically says the same thing maybe even less than what I..
Best Android 2.0 development book? [closed] http://stackoverflow.com/questions/1690201/best-android-2-0-development-book However there is little new in Android 2.0 that affects that specific title and that book is available primarily in digital form . My other two main books will be updated with some Android 2.0 content shortly digital editions by the end of the.. is available primarily in digital form . My other two main books will be updated with some Android 2.0 content shortly digital editions by the end of the year printed editions in early 2010. I am under the distinct impression that Reto Meier and Ed..
Which mobile operating system should I code for? [closed] http://stackoverflow.com/questions/2441649/which-mobile-operating-system-should-i-code-for Everybody is building an App Store these days but iTunes is still the best and most trusted way to pay for digital content. Android is probably the second runner but not so popular with business users. I would be careful with Nokia if..
Why does the app signature change in Android after a classpath change? http://stackoverflow.com/questions/2458931/why-does-the-app-signature-change-in-android-after-a-classpath-change And the side question Why is it a different signature android classpath reinstall share improve this question The digital signature is driven by a signing key that exists on the machine that signs the app. If Developer A compiles an app using..
Tablet(iPad/Android)-Server Communication Protocol http://stackoverflow.com/questions/4050166/tabletipad-android-server-communication-protocol This topic is covered for java language quite well by Thinking in Enterprise java by Bruce Eckel you can access the digital edition for free. In C C Objective C things are more complicated but you can easily google for tutorials. Each service defines..
Getting decibel from an android microphone http://stackoverflow.com/questions/4271989/getting-decibel-from-an-android-microphone One option is to invert the transfer function calculate the time domain impulse response and then use that as a digital filter by convolving it with an input signal to apply a frequency flatness correction. You can then take the log magnitude..
How to use a custom typeface in a widget? http://stackoverflow.com/questions/4318572/how-to-use-a-custom-typeface-in-a-widget to use a custom typeface in a widget I have a digital clock widget. How can I use a custom font from assets fonts as the default font in the textview showing the clock This is..
How to calculate distance based on phone acceleration http://stackoverflow.com/questions/4329164/how-to-calculate-distance-based-on-phone-acceleration analog world you use continuous math which is velocity integrate acceleration distance integrate velocity and in the digital world it is even easier you use discrete math where integration becomes summation velocity sum acceleration distance sum..
Playing back sound coming from microphone in real-time http://stackoverflow.com/questions/5728454/playing-back-sound-coming-from-microphone-in-real-time thinking duh or whether this is all over you r head so I'll try to be clear but not to chew your own gum . PCM is a digital representation of an analog signal in which your audio samples are a set of snapshots of the original acoustic wave. Because..
Android: DigitalClock remove seconds http://stackoverflow.com/questions/7610549/android-digitalclock-remove-seconds DigitalClock remove seconds I used this code for adding a clock to my app DigitalClock android id @ id digitalclock android layout_width wrap_content android layout_height wrap_content android layout_alignParentLeft true android textSize.. those I need just hours and minutes in hh mm format instead of hh mm ss any suggestions Thanks java android clock digital share improve this question Found the answer here for anyone else looking for a working answer here it is Clone copy.. setFormat Reference custom class within in layout xml com.example.CustomDigitalClock android id @ id fragment_clock_digital android layout_width wrap_content android layout_height wrap_content android text DigitalClock Load CustomDigitalClock within..
Android serial port via audio jack http://stackoverflow.com/questions/8425617/android-serial-port-via-audio-jack record audio on the microphone jack without any problems. Doing this you can essentially use your Android phone as a digital oscilloscope. You can then programatically convert this back to digital I O. Serial output Android audio input Sampled square.. can essentially use your Android phone as a digital oscilloscope. You can then programatically convert this back to digital I O. Serial output Android audio input Sampled square block wave digital I O Please note that most serial levels are either.. can then programatically convert this back to digital I O. Serial output Android audio input Sampled square block wave digital I O Please note that most serial levels are either 5V or 3.3V. This will destroy your microphone input Peak level for consumer..
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