Zebra TC20 User Manual

DataWedge
95
Example
Comments
The scanner and its parameters are set based on the currently active Profile.
//
// Call before sending the enumeration query
//
public void registerReciever(){
IntentFilter filter = new IntentFilter();
filter.addAction("com.symbol.datawedge.api.RESULT_ACTION");//RESULT_ACTION
filter.addCategory(Intent.CATEGORY_DEFAULT);
registerReceiver(enumeratingBroadcastReceiver, filter);
}
//
// Send the enumeration command to DataWedge
//
public void enumerateScanners(){
Intent i = new Intent();
i.setAction("com.symbol.datawedge.api.ACTION");
i.putExtra("com.symbol.datawedge.api.ENUMERATE_SCANNERS", "");
this.sendBroadcast(i);
}
public void unRegisterReciever(){
unregisterReceiver(enumeratingBroadcastReceiver);
}
//
// Create broadcast receiver to receive the enumeration result
//
private BroadcastReceiver enumeratingBroadcastReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
Log.d(TAG, "Action: " + action);
if(action.equals("com.symbol.datawedge.api.RESULT_ACTION")){
//
// enumerate scanners
//
if(intent.hasExtra("com.symbol.datawedge.api.RESULT_ENUMERATE_SCANNERS")) {
ArrayList<Bundle> scannerList = (ArrayList<Bundle>)
intent.getSerializableExtra("com.symbol.datawedge.api.RESULT_ENUMERATE_SCANNERS");
if((scannerList != null) && (scannerList.size() > 0)) {
for (Bundle bunb : scannerList){
String[] entry = new String[4];
entry[0] = bunb.getString("SCANNER_NAME");
entry[1] = bunb.getBoolean("SCANNER_CONNECTION_STATE")+"";
entry[2] = bunb.getInt("SCANNER_INDEX")+"";
entry[3] = bunb.getString("SCANNER_IDENTIFIER");
Log.d(TAG, "Scanner:" + entry[0] + " Connection:" + entry[1] + " Index:" + entry[2] + " ID:" + entry[3]);
}
}
}
}
}
};

Zebra TC20 Specifications

General

Brand	Zebra
Model	TC20
Category	PDA
Language	English