![]() ![]() Here is my MainActivity. this method starts after the program is launched - I would like to start the process of code recognition after. Log.e(this, e, Error creating local tone generator.) mToneGenerator null. You can play with 2 - players anywhere, on your PC, Android or iPhone. Additionally, this app supports ring and amplitude modulation. Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License. By now, the following wave forms are supported: Sine, Square, Triangle and Sawtooth. The resulting sound wave is visualized as a graph. Use the Tone Generator below to listen to the 432Hz. This app can be used to generate different tones by defining the wave form, the frequency and the amplitude. How can I start again the process to read next qrcode ?Ĭan I move the method initialiseDetectorsAndSources() to a new class, outside the mainactivity ?. TODO: Needed for move to system service: import . Output to MP3 or WAV audio files, and Import audio files and map them to Midi. As you import music files to listen to them, it shows respective tags along. How can I stop the process or recognition of a code after founding the code ? Then I added a button to start the initialiseDetectorsAndSources() method again => to start the process of QRCode recognition - but it is not starting. StartTone (Tone) StartTone (Tone, Int32) Overloads StartTone (Tone) This method starts the playback of a tone of the specified type. I tried a few things to stop it and found that cameraSource.release() is somewhat working : camera stops but I'm not sure if the detector process is still running somewhere in background ?. package com.g.Deng import import android.os. How to play DTMF tones in android via headphone programatically ToneGenerator dtmfGenerator new ToneGenerator(0,ToneGenerator.MAXVOLUME) dtmfGenerator. Detected code is displayed in barcodeText but the method/proces/camera (initialiseDetectorsAndSources()) is still working. "), new Tone(ToneGenerator.I found a nice code for QRcode/Barcode recognition - it is working fine BUT ! import import ToneGenerator toneGenerator new ToneGenerator (AudioManager.STREAMMUSIC, 200) toneGenerator.startTone (ToneGenerator.TONECDMAEMERGENCYRINGBACK) More info on how they sound: https. MainActivity.java package import 7.app.ActionBarActivity import import import import import import import import import import import import import import android.os.Bundle public class MainActivity extends ActionBarActivity 20 times, 3000ms OFF, repeat. BaseColumns CalendarContract.AttendeesColumns CalendarContract.CalendarAlertsColumns CalendarContract.CalendarCacheColumns CalendarContract. You can access Android's default beeb sound via ToneGenerator class. You can download the APK on bottom of this post.
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