galera mudei o codigo nesta madrugada...
ele fala de um erro na theads...
mais não consegui entender do que se trata o erro.
public class ExibeGallery extends SherlockActivity {
private Gallery galleryView1;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.exibegallery);
AdaptadordaImagem adp = new AdaptadordaImagem(this);
galleryView1 = (Gallery) findViewById(R.id.GaleryView);
galleryView1.setAdapter(adp);
}
}
___________________________________
public class AdaptadordaImagem extends BaseAdapter {
private Context cont;
int GalItemBg;
private String[] myRemoteImages = {
"http://www.cuboweb.com.br/android/images/1.png",
"http://www.cuboweb.com.br/android/images/2.png",
"http://www.cuboweb.com.br/android/images/3.png",
"http://www.cuboweb.com.br/android/images/4.png", };
static Bitmap bm;
BitmapFactory.Options bmOptions;
private Object mGalleryItemBackground;
public AdaptadordaImagem(Context c) {
cont = c;
PegaImagens pg = new PegaImagens();
pg.execute();
}
private TypedArray obtainStyledAttributes(int[] hellogallery) {
// TODO Auto-generated method stub
return null;
}
public int getCount() {
return this.myRemoteImages.length;
}
public Object getItem(int position) {
return position;
}
public long getItemId(int position) {
return position;
}
public View getView(int position, View convertView, ViewGroup parent) {
ImageView i = new ImageView(this.cont);
try {
URL aURL = new URL(myRemoteImages[position]);
URLConnection conn = aURL.openConnection();
conn.connect();
InputStream is = conn.getInputStream();
BufferedInputStream bis = new BufferedInputStream(is);
Bitmap bm = BitmapFactory.decodeStream(bis);
bis.close();
is.close();
i.setImageBitmap(bm);
} catch (IOException e) {
i.setImageResource(R.drawable.sem_conexao);
}
return i;
}// aqui fecha o getView
public Bitmap loadBitmap(String[] myRemoteImages,
BitmapFactory.Options options) {
InputStream in = null;
int i;
for(i = 0; i <= 3; i++){
try {
in = OpenHttpConnection(myRemoteImages[i]);
bm = BitmapFactory.decodeStream(in, null, options);
in.close();
} catch (IOException e1) {
bm = null;
}
}
return bm;
}// aqui fecha o load bitmap
private InputStream OpenHttpConnection(String myRemoteImages) throws IOException {
InputStream inputStream = null;
URL url = new URL(myRemoteImages);
URLConnection conn = url.openConnection();
try {
HttpURLConnection httpConn = (HttpURLConnection) conn;
httpConn.setRequestMethod("GET");
httpConn.connect();
if (httpConn.getResponseCode() == HttpURLConnection.HTTP_OK) {
inputStream = httpConn.getInputStream();
}
} catch (Exception ex) {
}
return inputStream;
}// aqui fecha o InputStream
public class PegaImagens extends AsyncTask<String[], Void, String> {
private ProgressDialog progressgallery;
protected void onPreExecute() {
progressgallery = new ProgressDialog(cont, GalItemBg);
progressgallery.setTitle("Aguarde...");
progressgallery.setMessage("Carregando...");
progressgallery.show();
}
protected String doInBackground(String[]... params) {
// TODO Auto-generated method stub
int i;
for(i = 0; i <= 3; i++){
try{
bmOptions = new BitmapFactory.Options();
bmOptions.inSampleSize = 1;
}catch(ArrayIndexOutOfBoundsException erro){
myRemoteImages[i]= "";
}catch(Exception erro){
myRemoteImages[i] = "";
}
}
loadBitmap(myRemoteImages, bmOptions);
return myRemoteImages[i];
}
protected void onPostExecute(String[] myRemoteImages) {
if (!myRemoteImages.equals("")) {
// ok
TypedArray a = obtainStyledAttributes(R.styleable.HelloGallery);
mGalleryItemBackground = a.getResourceId(R.styleable.HelloGallery_android_galleryItemBackground, 0);
a.recycle();
} else {
Log.i("onpost execute"," dentro do else de erro");
}
progressgallery.dismiss();
}
}// end async task
}// end class
_____________________________________________________
erros:
android.os.NetworkOnMainThreadException
at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1077)
at java.net.InetAddress.lookupHostByName(InetAddress.java:477)
at java.net.InetAddress.getAllByNameImpl(InetAddress.java:277)
at java.net.InetAddress.getAllByName(InetAddress.java:249)
at org.apache.harmony.luni.internal.net.www.protocol.http.HttpConnection.<init>(HttpConnection.java:69)
at org.apache.harmony.luni.internal.net.www.protocol.http.HttpConnection.<init>(HttpConnection.java:48)
Em sábado, 3 de novembro de 2012 22h39min35s UTC-3, Felippe dos Santos Ferreira escreveu:
ola galera--
tou fazendo uma gallery... mais essa galery vai usar imagens que estãso na web...
mais não consigo arrumar um erro protected String doInBackground quando retorna o endereço daqs imagens...
se alguem puder dar uma força;;;.. se aguem jah fez algo assimm...
valewpublic class AdaptadordaImagem extends BaseAdapter {______________________________
private Context cont;
int GalItemBg;
private String[] myRemoteImages = {
"http://www.cuboweb.com.br/android/images/1.png ",
"http://www.cuboweb.com.br/android/images/2.png ",
"http://www.cuboweb.com.br/android/images/3.png ",
"http://www.cuboweb.com.br/android/images/4.png ", };
static Bitmap bm;
BitmapFactory.Options bmOptions;
public AdaptadordaImagem(Context c) {
cont = c;
}
public int getCount() {
return this.myRemoteImages.length;
}
public Object getItem(int position) {
return position;
}
public long getItemId(int position) {
return position;
}
public View getView(int position, View convertView, ViewGroup parent) {
ImageView i = new ImageView(this.cont);
try {
/* Definindo a URL das imagens. */
URL aURL = new URL(myRemoteImages[position]);
URLConnection conn = aURL.openConnection();
conn.connect();
InputStream is = conn.getInputStream();// pegando a imagem
/* Create Buffered is always good for a performance plus. */
BufferedInputStream bis = new BufferedInputStream(is);
/* Transformando a imagem em bitmap. */
Bitmap bm = BitmapFactory.decodeStream(bis);
/**/
bis.close();
is.close();
/* Apply the Bitmap to the ImageView that will be returned. */
i.setImageBitmap(bm);
} catch (IOException e) {
i.setImageResource(R.drawable.sem_conexao);
Log.e("DEBUGTAG", "Remtoe Image Exception", e);
}
return i;
}// aqui fecha o getView
public Bitmap loadBitmap(String myRemoteImages,
BitmapFactory.Options options) {
InputStream in = null;
try {
in = OpenHttpConnection(myRemoteImages);
bm = BitmapFactory.decodeStream(in, null, options);
in.close();
} catch (IOException e1) {
}
return bm;
}// aqui fecha o load bitmap
private InputStream OpenHttpConnection(String strURL) throws IOException {
InputStream inputStream = null;
URL url = new URL(strURL);
URLConnection conn = url.openConnection();
try {
HttpURLConnection httpConn = (HttpURLConnection) conn;
httpConn.setRequestMethod("GET");
httpConn.connect();
if (httpConn.getResponseCode() == HttpURLConnection.HTTP_OK) {
inputStream = httpConn.getInputStream();
}
} catch (Exception ex) {
}
return inputStream;
}// aqui fecha o InputStream
public class PegaImagens extends AsyncTask<String, Void, String> {
private ProgressDialog progressgallery;
protected void onPreExecute() {
progressgallery = new ProgressDialog(cont, GalItemBg);
progressgallery.setTitle("Aguarde...");
progressgallery.setMessage("Carregando...");
progressgallery.show();
}
protected String doInBackground(String... params) {
// TODO Auto-generated method stub
bmOptions = new BitmapFactory.Options();
bmOptions.inSampleSize = 1;
loadBitmap(myRemoteImages, bmOptions); //error
return myRemoteImages; //error
}
// esse metodo vai ver se as imagens estão acessiveis na internet
protected void onPostExecute(String myRemoteImages) {
if (!myRemoteImages.equals("")) {
// ok
} else {
// aqui devo fazer carregar a imagen do cache
// error
}
progressgallery.dismiss();
}
}// end async task
}// end class________
public class ExibeGallery extends SherlockActivity {
private Gallery galleryView1;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.exibegallery);
galleryView1 = (Gallery) findViewById(R.id.GaleryView);
galleryView1.setAdapter(new AdaptadordaImagem(this));
}// end o oncreate
}
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