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package com.koushikdutta.async.sample;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import org.apache.http.NameValuePair;
import org.apache.http.message.BasicNameValuePair;
import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.drawable.BitmapDrawable;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MenuItem.OnMenuItemClickListener;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.Toast;
import com.koushikdutta.async.http.AsyncHttpClient;
import com.koushikdutta.async.http.AsyncHttpPost;
import com.koushikdutta.async.http.AsyncHttpResponse;
import com.koushikdutta.async.http.ResponseCacheMiddleware;
import com.koushikdutta.async.http.UrlEncodedFormBody;
public class MainActivity extends Activity {
static ResponseCacheMiddleware cacher;
ImageView rommanager;
ImageView tether;
ImageView desksms;
ImageView chart;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (cacher == null) {
try {
cacher = ResponseCacheMiddleware.addCache(AsyncHttpClient.getDefaultInstance(), getFileStreamPath("asynccache"), 1024 * 1024 * 10);
cacher.setCaching(false);
}
catch (IOException e) {
Toast.makeText(getApplicationContext(), "unable to create cache", Toast.LENGTH_SHORT).show();
}
}
setContentView(R.layout.activity_main);
Button b = (Button)findViewById(R.id.go);
b.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
refresh();
}
});
rommanager = (ImageView)findViewById(R.id.rommanager);
tether = (ImageView)findViewById(R.id.tether);
desksms = (ImageView)findViewById(R.id.desksms);
chart = (ImageView)findViewById(R.id.chart);
showCacheToast();
}
void showCacheToast() {
boolean caching = cacher.getCaching();
Toast.makeText(getApplicationContext(), "Caching: " + caching, Toast.LENGTH_SHORT).show();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
menu.add("Toggle Caching").setOnMenuItemClickListener(new OnMenuItemClickListener() {
@Override
public boolean onMenuItemClick(MenuItem item) {
cacher.setCaching(!cacher.getCaching());
showCacheToast();
return true;
}
});
return true;
}
private void getFile(final ImageView iv, String url, final String filename) {
AsyncHttpClient.getDefaultInstance().get(url, filename, new AsyncHttpClient.FileCallback() {
@Override
public void onCompleted(Exception e, AsyncHttpResponse response, File result) {
if (e != null) {
e.printStackTrace();
return;
}
System.out.println(result.getAbsolutePath());
Bitmap bitmap = BitmapFactory.decodeFile(filename);
result.delete();
if (bitmap == null)
return;
BitmapDrawable bd = new BitmapDrawable(bitmap);
iv.setImageDrawable(bd);
}
});
}
private void getChartFile() {
final ImageView iv = chart;
final String filename = getFileStreamPath(randomFile()).getAbsolutePath();
ArrayList<NameValuePair> pairs = new ArrayList<NameValuePair>();
pairs.add(new BasicNameValuePair("cht", "lc"));
pairs.add(new BasicNameValuePair("chtt", "This is a google chart"));
pairs.add(new BasicNameValuePair("chs", "512x512"));
pairs.add(new BasicNameValuePair("chxt", "x"));
pairs.add(new BasicNameValuePair("chd", "t:40,20,50,20,100"));
UrlEncodedFormBody writer = new UrlEncodedFormBody(pairs);
try {
AsyncHttpPost post = new AsyncHttpPost("http://chart.googleapis.com/chart");
post.setBody(writer);
AsyncHttpClient.getDefaultInstance().execute(post, filename, new AsyncHttpClient.FileCallback() {
@Override
public void onCompleted(Exception e, AsyncHttpResponse response, File result) {
if (e != null) {
e.printStackTrace();
return;
}
System.out.println(result.getAbsolutePath());
Bitmap bitmap = BitmapFactory.decodeFile(filename);
result.delete();
if (bitmap == null)
return;
BitmapDrawable bd = new BitmapDrawable(bitmap);
iv.setImageDrawable(bd);
}
});
}
catch (Exception ex) {
ex.printStackTrace();
}
}
private String randomFile() {
return ((Long)Math.round(Math.random() * 1000)).toString() + ".png";
}
private void refresh() {
rommanager.setImageBitmap(null);
tether.setImageBitmap(null);
desksms.setImageBitmap(null);
chart.setImageBitmap(null);
getFile(rommanager, "https://raw.github.com/koush/AndroidAsync/master/rommanager.png", getFileStreamPath(randomFile()).getAbsolutePath());
getFile(tether, "https://raw.github.com/koush/AndroidAsync/master/tether.png", getFileStreamPath(randomFile()).getAbsolutePath());
getFile(desksms, "https://raw.github.com/koush/AndroidAsync/master/desksms.png", getFileStreamPath(randomFile()).getAbsolutePath());
getChartFile();
}
}
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