android-discuss, turn "windows mobile" phone to Android???

1. Image download problem

Hi.

I have some question regarding image downloading from the server.

In my application i had to continually call one method in which image
download code is placed

But java.net.MalformedURLException is there when i call image download
method continually

so any suggestion why i get java.net.MalformedURLException in my
code.


try
            {
                URL aURL = new URL(url);
                URLConnection conn = aURL.openConnection();
                conn.connect();
                InputStream is = conn.getInputStream();
                BufferedInputStream bis = new BufferedInputStream(is);
                int i = bis.available();
                if(i!=0)
                {
                        bm = BitmapFactory.decodeStream(bis);
                        setOriginalImage(bm);
                        bm = resizeBitmap(bm, 30, 30);
                }
               /* bm = BitmapFactory.decodeStream(bis);
                setOriginalImage(bm);
                bm = resizeBitmap(bm, 30, 30);*/
                bis.close();
                is.close();
           }
           catch (IOException e)
           {
               Log.e("TAG", "Error getting bitmap", e);
           }
           catch(Exception e)
           {
                   e.printStackTrace();
           }

retrun bm;

here is my code

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2. (Bug?) Back button triggers several times in different tasks

I found behavior which I can not understand related to event handling.
I have task one with activity A on top of it:

public class A extends Activity {
    private static final String MMS_PACKAGE = "com.android.mms";
    private static final String SMS_INTENT_EXTRA_NAME = "sms_body";
    private static final String SMS_INTENT_TYPE = "vnd.android-dir/mms-
sms";

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        Button checkSmsBtn = (Button)findViewById(R.id.sms_start_btn);

        checkSmsBtn.setOnClickListener(new OnClickListener() {

            public void onClick(View v) {
                startActivity(createSmsIntent());
            }
        });
    }

    private Intent createSmsIntent() {
        String normalizedQuery = "";

        Intent intent = new Intent(Intent.ACTION_VIEW);
        intent.setComponent(new ComponentName(MMS_PACKAGE,
                "com.android.mms.ui.ComposeMessageActivity"));
        intent.putExtra(SMS_INTENT_EXTRA_NAME, normalizedQuery);
        intent.setType(SMS_INTENT_TYPE);

        return intent;

    }

    @Override
    public boolean onKeyUp(int keyCode, KeyEvent event) {
        if(keyCode == KeyEvent.KEYCODE_BACK) {
            Context context = getApplicationContext();
            CharSequence text = "Back button triggered";
            int duration = Toast.LENGTH_SHORT;

            Toast toast = Toast.makeText(context, text, duration);
            toast.show();
        }
        return super.onKeyUp(keyCode, event);
    }
}

I have listener on my button creating intent for showing compose
message window (and passing empty message to it). Then if I press back
button (on emulator) ComposeMessageActivity will be close AND Toast in
activity A will trigger which seems very strange to me. Can anybody
explain what's going on?

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7. (Bug?) Back button triggers several times in different tasks