Hi, what kind of sensor are you using and what protocol (RS232, HID or plain USB) is used? I played around with some RS232 devices. Perhaps I could find the example again. Later I switched to a IOIO divice.
Roy 2013/2/27 Marta Ribeiro <[email protected]> > I have the cables needed. I even installed an usb host app and it worked > correctly. now i'm trying to make my own application and it's not working, > so it must be because of the code. Although i am writing it exactly as it > advised in tutorials. > > > On Wednesday, February 27, 2013 5:35:44 AM UTC, softy wrote: > >> Interesting.I don't know much about this but as at the same level you are >> I would have checked first wether the Samsung Galaxy S3 has a USB OTG sw >> support or not.You can try this by inserting a USB keyboard into it or a >> Mouse and see whether it is working. >> I think it has : >> *USB:*USB 2.0 client, 480Mbit/s >> micro-USB >> >> What you need is >> >> *USB:*USB 2.0 host/client, 480Mbit/s >> USB A >> >> >> Rgds, >> -s >> >> >> On Tue, Feb 26, 2013 at 10:50 PM, Marta Ribeiro <[email protected]** >> > wrote: >> >>> I'm using a Samsung Galaxy S3,and connecting to a sensor using USB host >>> and a OTG cable. I'm at the beginning phase just trying to write code to >>> detect the sensor was attached but it's not working. Can someone take a >>> look and tell me what they think: >>> >>> >>> protected void onCreate(Bundle savedInstanceState) { >>> super.onCreate(**savedInstanceState); >>> setContentView(R.layout.**activity_microstrain); >>> find_device = (EditText)findViewById(R.id.**find_device); >>> UsbManager manager = (UsbManager)getSystemService(** >>> Context.USB_SERVICE); >>> >>> //connect(); >>> >>> HashMap<String, UsbDevice> deviceList = manager.getDeviceList(); >>> Iterator<UsbDevice> deviceIterator = >>> deviceList.values().iterator()**; >>> >>> while(deviceIterator.hasNext()**){ >>> >>> UsbDevice device = deviceIterator.next(); >>> Toast.makeText(this,"Value of device :" >>> +device.getDeviceName(), Toast.LENGTH_LONG).show(); >>> >>> } >>> >>> >>> %%%%%% manifest %%%%%%%%%%%%%%% >>> >>> <?xml version="1.0" encoding="utf-8"?> >>> <manifest >>> xmlns:android="http://schemas.**android.com/apk/res/android<http://schemas.android.com/apk/res/android>" >>> package="com.example.**microstrain" >>> android:versionCode="1" >>> android:versionName="1.0" >>> android:orientation="vertical"**> >>> >>> <uses-feature android:name="android.**hardware.usb.host"/> >>> >>> <uses-sdk >>> android:minSdkVersion="16" >>> android:targetSdkVersion="16" /> >>> >>> <application >>> android:allowBackup="true" >>> android:icon="@drawable/ic_**launcher" >>> android:label="@string/app_**name" >>> android:theme="@style/**AppTheme" > >>> <activity >>> android:name="com.example.**microstrain.MICROSTRAIN" >>> android:label="@string/app_**name" > >>> <intent-filter> >>> <action android:name="android.intent.**action.MAIN" /> >>> <category android:name="android.intent.** >>> category.DEFAULT"/> >>> <category android:name="android.intent.**category.LAUNCHER" >>> /> >>> </intent-filter> >>> <intent-filter> >>> <action android:name="android.**hardware.usb.action.USB_** >>> DEVICE_ATTACHED"/> >>> </intent-filter> >>> <meta-data android:name="android.**hardware.usb.action.USB_ >>> **DEVICE_ATTACHED" android:resource="@xml/**device_filter" /> >>> </activity> >>> <uses-library android:name="android.test.**runner" /> >>> </application> >>> >>> <instrumentation android:name="android.test.** >>> InstrumentationTestRunner" >>> android:targetPackage="com.**example.microstrain" >>> android:label="microstrain" /> >>> >>> </manifest> >>> >>> %%%%%%%%% xml/device_filter.xml %%%%%%%%% >>> >>> <resources> >>> >>> <usb-device vendor-id="199b" product-id="3d65"/> >>> >>> </resources> >>> >>> %%%%%% >>> >>> I appreciate all the help. Thanks in advance! >>> >>> -- >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Android Developers" group. >>> To post to this group, send email to android-d...@**googlegroups.com >>> >>> To unsubscribe from this group, send email to >>> android-developers+**[email protected] >>> For more options, visit this group at >>> http://groups.google.com/**group/android-developers?hl=en<http://groups.google.com/group/android-developers?hl=en> >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "Android Developers" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to android-developers+**[email protected]. >>> For more options, visit >>> https://groups.google.com/**groups/opt_out<https://groups.google.com/groups/opt_out> >>> . >>> >>> >>> >> >> -- > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > --- > You received this message because you are subscribed to the Google Groups > "Android Developers" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. > > > -- -- You received this message because you are subscribed to the Google Groups "Android Developers" group. 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