Falci

    <TextView
        android:id="@+id/label"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true"
        android:layout_centerVertical="true" />

Falci

    <Button 
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@id/label"
        android:layout_centerHorizontal="true"
        android:onClick="lerQR"
        android:text="@string/ler" />

Falci

...
  <string name="ler">Ler QR Code</string>
...

Falci

public class MainActivity extends Activity {

  @Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {

Falci

	/**
	 * Método que será chamado no clique do botão
	 * @param view
	 */
	public void lerQR(View view){
		// Criamos um Intent com o caminho aplicativo que irá ler o QR code
		Intent intent = new Intent("com.google.zxing.client.android.SCAN");
		
		// Passamos o parametro "SCAN_MODE" para ler somente códigos no formato QR
		intent.putExtra("SCAN_MODE", "QR_CODE_MODE");

Falci

public class MainActivity extends Activity {

  protected static final String ZXING_MARKET = "market://search?q=pname:com.google.zxing.client.android";
	protected static final String ZXING_DIRECT = "https://zxing.googlecode.com/files/BarcodeScanner3.1.apk";

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
	}

Falci

    @Override
	public void onActivityResult(int requestCode, int resultCode, Intent intent) {
		if (requestCode == 0 && resultCode == Activity.RESULT_OK) {
			String qrcode = intent.getStringExtra("SCAN_RESULT");
			
			TextView label = (TextView) findViewById(R.id.label);
			label.setText(qrcode);			
		} 

Falci

CREATE TABLE images
(
   id bigserial, 
   nome character varying(100), 
   mime character varying(25), 
   img bytea, 
   dataupload timestamp without time zone
) 

Falci

<div class="nav-container">
<div class="nav">
    <ul>
        <li><a href="">Home</a></li>
        <li><a href="">CSS</a></li>
        <li><a href="">PHP</a></li>
        <li><a href="">SEO</a></li>
        <li><a href="">jQuery</a></li>
        <li><a href="">Wordpress</a></li>
        <li><a href="">Services</a></li>

Falci

.nav-container{ background: url('images/nav_bg.jpg') repeat-x 0 0;}
    .f-nav{ z-index: 9999; position: fixed; left: 0; top: 0; width: 100%;} /* isso vai fazer o menu ficar fixo no topo */
    
.nav { height: 42px;}
    .nav ul { list-style: none; }
    .nav ul li{float: left; margin-top: 6px; padding: 6px; border-right: 1px solid #ACACAC;}
    .nav ul li:first-child{ padding-left: 0;}
    .nav ul li a { }
    .nav ul li a:hover{ text-decoration: underline;}