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]<javascript:> > > 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"; >> 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 >> [email protected]<javascript:> >> To unsubscribe from this group, send email to >> [email protected] <javascript:> >> 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] <javascript:>. >> 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. 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.
