Hello at all, i'm developing on Android since the last month and I've
encountered this problem in these days.
If I download an image from Internet with this code isn't correctly viewed:
package org.ti.weather;
import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;
import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.widget.ImageView;
public class Weather extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
setContentView(R.layout.main);
ImageView img = (ImageView) findViewById(R.id.weatherimg);
// this don't function
try {
URL aURL = new URL("
http://vdt.meteo.alice.it/meteo/imgs/icone/small/previsioni/notte/sereno.png
");
URLConnection conn = aURL.openConnection();
conn.connect();
InputStream is = conn.getInputStream();
BufferedInputStream bis = new BufferedInputStream(is);
Bitmap bm = BitmapFactory.decodeStream(bis);
bis.close();
is.close();
img.setImageBitmap(bm);
} catch (IOException e) {
// Reset to 'Dunno' on any error
showAlert("Error", 0, "Can't download image", "Ok", false);
}
}
}
where the main.xml is the following:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android";
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<ImageView
android:id="@+id/weatherimg"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
/>
</LinearLayout>
Instead, if I insert the same image in the directory res/drawable of the
project and I use the following code the image is correctly viewed:
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
setContentView(R.layout.main);
ImageView img = (ImageView) findViewById(R.id.weatherimg);
//this function
img.setImageDrawable(getResources().getDrawable(R.drawable.sereno));
}
Have you some suggestion?
Thanks
Andrea
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