mbarcia’s gists

mbarcia / GsonRequest.java

Last active January 4, 2016 17:59

parsing a json response with gson and volley. Part of http://develop-for-android.blogspot.com.es/2014/01/using-volley-in-your-application.html

	package net.colaborativa.exampleapp.api.volley;

	import java.io.UnsupportedEncodingException;
	import java.util.Map;

	import android.util.Log;

	import com.android.volley.AuthFailureError;
	import com.android.volley.NetworkResponse;
	import com.android.volley.ParseError;

mbarcia / PhotoMultipartRequest.java

Last active February 2, 2017 05:49

Uploading a jpeg image with Volley. Part of http://develop-for-android.blogspot.com.es/2014/01/using-volley-in-your-application.html

	package net.colaborativa.exampleapp.api;

	import java.io.ByteArrayOutputStream;
	import java.io.File;
	import java.io.IOException;
	import java.nio.charset.Charset;
	import java.util.Collections;
	import java.util.HashMap;
	import java.util.Map;

mbarcia / CachedStringGETRequest.java

Last active January 4, 2016 18:29

Further adapt a Volley Request by specifying GET parameter, Json response decoding, and cache and retry policies. Part of http://develop-for-android.blogspot.com.es/2014/01/using-volley-in-your-application.html

	package net.colaborativa.exampleapp.api.volley;

	import java.io.UnsupportedEncodingException;

	import com.android.volley.Cache;
	import com.android.volley.DefaultRetryPolicy;
	import com.android.volley.NetworkResponse;
	import com.android.volley.ParseError;
	import com.android.volley.Request;
	import com.android.volley.Response;

mbarcia / addingRequest.txt

Last active January 4, 2016 21:29

Creating an instance of a Volley request by means of an adapter class, and adding it to the queue for execution. Part of http://develop-for-android.blogspot.com.es/2014/01/using-volley-in-your-application_28.html

	String baseUrl =
	"http://www.webservicex.net/currencyconvertor.asmx/ConversionRate";
	// using the cached request
	Request<String> request = new CachedStringGETRequest(
	baseUrl + "?fromCurrencyCode=USD&toCurrencyCode=EUR",
	new ErrorListener() {
	@Override
	public void onErrorResponse(VolleyError error) {
	Log.w("exampleapp", "Exchange rate USD " +
	"to EUR failed to update. " + error );

mbarcia / inner-listener.java

Created January 29, 2014 16:23

Adding business logic in the listener

	new Listener<String>() {
	@Override
	public void onResponse(String response) {
	MyItem item = new MyItem(response);
	display(item);
	}

mbarcia / MyApi.java

Last active August 29, 2015 13:55

MyApi Volley request factory. Part of http://develop-for-android.blogspot.com.es/2014/01/using-volley-in-your-application_31.html

	package net.colaborativa.exampleapp;

	import android.content.Context;

	import com.android.volley.DefaultRetryPolicy;
	import com.android.volley.Request;
	import com.android.volley.RequestQueue;
	import com.android.volley.Response.ErrorListener;
	import com.android.volley.Response.Listener;
	import com.android.volley.toolbox.Volley;

mbarcia / AuthenticatorActivity.java

Created January 31, 2014 17:17

Handle login event using MyApi Request factory, a "custom" listener and an error listener. Part of http://develop-for-android.blogspot.com.es/2014/01/using-volley-in-your-application_31.html

	// ...

	/**
	* Handles onClick event on the Submit button. Sends username/password to
	* the server for authentication.
	*
	* @param view The Submit button for which this method is invoked
	*/
	public void handleLogin(View view) {
	if(((EditText) findViewById(R.id.username)).getText() == null \|\|

mbarcia / MyApiSession.java

Last active August 29, 2015 13:56

	package net.colaborativa.exampleapp;

	import android.accounts.Account;
	import android.accounts.AccountManager;
	import android.text.TextUtils;
	import android.util.Log;

	// This is the login activity of your app, only used
	// here to retrieve the value of ACCOUNT_TYPE
	import net.colaborativa.exampleapp.account.AuthenticatorActivity;

mbarcia / OfflineOnlineActivity.java

Last active August 29, 2015 13:56

Switching to off-line mode (and back online). Part of http://develop-for-android.blogspot.com.es/2014/02/switching-to-off-line-mode-and-back.html

	package net.colaborativa.exampleapp;

	// check your imports, this list may not be complete
	import android.accounts.Account;
	import android.accounts.AccountManager;
	import android.accounts.AccountManagerCallback;
	import android.accounts.AccountManagerFuture;
	import android.accounts.OnAccountsUpdateListener;
	import android.content.Intent;
	import android.text.TextUtils;

mbarcia / postImage

Created November 25, 2014 22:07

postImage() you can add to your MyApi class. Read more about a multipart request at http://stackoverflow.com/a/9082243

	public Request<?> postImage(
	String token,
	long l,
	File imageFile,
	Listener<String> listener,
	ErrorListener errorListener) {

	String url = "http://yoururl.com/post-image";

	PhotoMultipartRequest<String> req = new PhotoMultipartRequest<String>(

Mariano Barcia mbarcia