MainActivity.java
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package fi.codecrew.androidbarcode;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.os.StrictMode;
import android.view.Menu;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
public class MainActivity extends Activity {
private static String URL = "http://lantrek.moya.fi/MoyaWeb/shop/rfidListener.jsf";
@SuppressLint("NewApi")
@Override
protected void onCreate(Bundle savedInstanceState) {
if (android.os.Build.VERSION.SDK_INT > 9) {
StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
StrictMode.setThreadPolicy(policy);
}
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
EditText readedCode = (EditText) findViewById(R.id.readedCode);
readedCode.requestFocus();
EditText readerName = (EditText) findViewById(R.id.readerName);
readerName.setText(getReaderName());
TextView successText = (TextView) findViewById(R.id.success_text);
successText.setVisibility(View.INVISIBLE);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
public void readBarcode(View view) {
TextView successText = (TextView) findViewById(R.id.success_text);
successText.setVisibility(View.INVISIBLE);
Intent intent = new Intent("com.google.zxing.client.android.SCAN");
// intent.putExtra("com.google.zxing.client.android.SCAN.SCAN_MODE",
// "QR_CODE_MODE");
startActivityForResult(intent, 0);
}
public void changeReaderName(View view) {
EditText readerName = (EditText) findViewById(R.id.readerName);
SharedPreferences sharedPref = getPreferences(Context.MODE_PRIVATE);
SharedPreferences.Editor editor = sharedPref.edit();
editor.putString(getString(R.string.shared_pref_readername), readerName.getText().toString());
editor.commit();
readerName.clearFocus();
EditText readedCode = (EditText) findViewById(R.id.readedCode);
readedCode.requestFocus();
}
private String getReaderName() {
SharedPreferences sharedPref = getPreferences(Context.MODE_PRIVATE);
return sharedPref.getString(getString(R.string.shared_pref_readername), android.os.Build.USER + "_" + android.os.Build.HOST);
}
public void onActivityResult(int requestCode, int resultCode, Intent intent) {
if (requestCode == 0) {
if (resultCode == RESULT_OK) {
String contents = intent.getStringExtra("SCAN_RESULT");
EditText readedCode = (EditText) findViewById(R.id.readedCode);
readedCode.requestFocus();
readedCode.setText(contents);
TextView successText = (TextView) findViewById(R.id.success_text);
if(sendBarcode(contents)) {
successText.setVisibility(View.VISIBLE);
}
Button readBcode = (Button) findViewById(R.id.button1);
readBcode.requestFocus();
} else if (resultCode == RESULT_CANCELED) {
}
}
}
private boolean sendBarcode(String barcode) {
try {
HttpClient client = new DefaultHttpClient();
String getUrl = URL + "?tag="+barcode+"&reader="+getReaderName();
HttpGet get = new HttpGet(getUrl);
HttpResponse responseGet = client.execute(get);
HttpEntity resEntityGet = responseGet.getEntity();
if (resEntityGet != null) {
return true;
}
} catch (Exception e) {
e.printStackTrace();
throw new RuntimeException(e);
}
return false;
}
}