我正在尝试从genymotion仿真器连接到localhost,但我一直无法连接到HTTP
public class AllProductsActivity extends ListActivity {
private String finalUrl="http://192.168.141.1/API/statics.php";
private handlexml obj;
private EditText title,link,description;
// Progress Dialog
private ProgressDialog pDialog;
// Creating JSON Parser object
JSONParser jParser = new JSONParser();
ArrayList<HashMap<String, String>> productsList;
// url to get all products list
private static String url_all_products = "http://192.168.56.1/API/statics.php";
// JSON Node names
private static final String TAG_SUCCESS = "success";
private static final String TAG_PRODUCTS = "products8";
private static final String TAG_PID = "food id";
private static final String TAG_NAME = "food name";
private static final String TAG_DESC = "food description";
private static final String TAG_PRICE = "food price";
private static final String TAG_CAT = "food category";
String data = "http://192.168.56.1/API/statics.php";
// products JSONArray
JSONArray food_details = null;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.all_products);
// Get listview
ListView lv = getListView();
// Hashmap for ListView
productsList = new ArrayList<HashMap<String, String>>();
// initialize conncection and see if ur connected to net
new network1(this,data).execute(url_all_products);
// Loading products in Background Thread
new LoadAllProducts().execute();
// on seleting single product
// launching Edit Product Screen
lv.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
// getting values from selected ListItem
String food_id = ((TextView) view.findViewById(R.id.pid)).getText().toString();
Log.d("string", food_id);
// Starting new intent
Intent in = new Intent(getApplicationContext(),
EditProductActivity.class);
// sending pid to next activity
in.putExtra(TAG_PID, food_id);
// starting new activity and expecting some response back
startActivityForResult(in, 100);
}
});
}
// Response from Edit Product Activity
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
// if result code 100
if (resultCode == 100) {
// if result code 100 is received
// means user edited/deleted product
// reload this screen again
Intent intent = getIntent();
finish();
startActivity(intent);
}
}
/**
* Background Async Task to Load all product by making HTTP Request
*/
class LoadAllProducts extends AsyncTask<String, String, String> {
@Override
protected void onPreExecute() {
super.onPreExecute();
pDialog = new ProgressDialog(AllProductsActivity.this);
pDialog.setMessage("Loading products. Please wait...");
pDialog.setIndeterminate(false);
pDialog.setCancelable(false);
pDialog.show();
}
/**
* getting All products from url
*/
protected String doInBackground(String... args) {
// Building Parameters
List<NameValuePair> params = new ArrayList<NameValuePair>();
// getting JSON string from URL
JSONObject json = jParser.makeHttpRequest(url_all_products, "POST", params);
// Check your log cat for JSON reponse
Log.d("All Products: ", json.toString());
try {
// Checking for SUCCESS TAG
int success = json.getInt(TAG_SUCCESS);
if (success == 1) {
// products found
// Getting Array of Products
food_details = json.getJSONArray(TAG_PRODUCTS);
// looping through All Products
for (int i = 0; i < food_details.length(); i++) {
JSONObject c = food_details.getJSONObject(i);
// Storing each json item in variable
String id = c.getString(TAG_PID);
String name = c.getString(TAG_NAME);
String desc = c.getString(TAG_DESC);
String price = c.getString(TAG_PRICE);
String cat = c.getString(TAG_CAT);
// creating new HashMap
HashMap<String, String> map = new HashMap<String, String>();
// adding each child node to HashMap key => value
map.put(TAG_PID, id);
map.put(TAG_NAME, name);
map.put(TAG_DESC, desc);
map.put(TAG_PRICE, price);
map.put(TAG_CAT, cat);
// adding HashList to ArrayList
productsList.add(map);
}
} else {
// no products found
// Launch Add New product Activity
Intent i = new Intent(getApplicationContext(),
NewProductActivity.class);
// Closing all previous activities
i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(i);
}
} catch (Exception e) {
return new String("Exception: " + e.getMessage());
}
return null;
}
/**
* After completing background task Dismiss the progress dialog
**/
protected void onPostExecute(String file_url) {
// dismiss the dialog after getting all products
pDialog.dismiss();
// updating UI from Background Thread
runOnUiThread(new Runnable() {
public void run() {
/**
* Updating parsed JSON data into ListView
* */
ListAdapter adapter = new SimpleAdapter(
AllProductsActivity.this, productsList,
R.layout.list_item, new String[]{TAG_PID,
TAG_NAME, TAG_DESC, TAG_PRICE, TAG_CAT},
new int[]{R.id.pid, R.id.name, R.id.desc, R.id.price, R.id.cat});
// updating listview
setListAdapter(adapter);
}
});
}
}
public class network1 extends AsyncTask {
private String data;
private Context context;
public network1(Context context, String data){
this.context = context;
this.data = data;
}
protected void onPreExecute() {
checkInternetConnection();
}
//check Internet connection.
private void checkInternetConnection() {
ConnectivityManager check = (ConnectivityManager)
getSystemService(Context.CONNECTIVITY_SERVICE);
if (check != null) {
NetworkInfo[] info = check.getAllNetworkInfo();
if (info != null)
for (int i = 0; i < info.length; i++)
if (info[i].getState() == NetworkInfo.State.CONNECTED) {
Toast.makeText(context, "Internet is connected",
Toast.LENGTH_SHORT).show();
}
} else {
Toast.makeText(context, "not conencted to internet",
Toast.LENGTH_SHORT).show();
}
}
@Override
protected String doInBackground(Object[] arg0) {
return null;
}
protected void onPostExecute(String result) {
}
}`
logcat错误
W / OpenGLRenderer:无法在表面上设置EGL_SWAP_BEHAVIOR 0xe7a857e0,错误= EGL_BAD_MATCH W / System.err:org.apache.http.conn.HttpHostConnectException:与http://192.168.56.1的连接被拒绝 在org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:159) 在org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:149) W / System.err:位于org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:108) 在org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:415) 在org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:641) 在org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:576) 在org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:554) 在com.bramcode.db.JSONParser.makeHttpRequest(JSONParser.java:51) W / System.err:位于com.bramcode.db.AllProductsActivity $ LoadAllProducts.doInBackground(AllProductsActivity.java:155) 在com.bramcode.db.AllProductsActivity $ LoadAllProducts.doInBackground(AllProductsActivity.java:134) 在android.os.AsyncTask $ 2.call(AsyncTask.java:333) 在java.util.concurrent.FutureTask.run(FutureTask.java:266) 在android.os.AsyncTask $ SerialExecutor $ 1.run(AsyncTask.java:245) 在java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167) 在java.util.concurrent.ThreadPoolExecutor $ Worker.run(ThreadPoolExecutor.java:641) 在java.lang.Thread.run(Thread.java:764) W / System.err:原因:java.net.ConnectException:无法从/::(端口0)连接到/192.168.56.1(端口80):连接失败: ENETUNREACH(网络无法访问) 在libcore.io.IoBridge.connect(IoBridge.java:137) W / System.err:位于java.net.PlainSocketImpl.socketConnect(PlainSocketImpl.java:137) 在java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:390) 在java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:230) 在java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:212) 在java.net.SocksSocketImpl.connect(SocksSocketImpl.java:436) W / System.err:位于java.net.Socket.connect(Socket.java:621) 在org.apache.http.conn.scheme.PlainSocketFactory.connectSocket(PlainSocketFactory.java:123) 在org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:133)