在 2011年1月15日星期六，Kostya Vasilyev <kmans...@gmail.com> 写道： > Braco, > > You are using a Java Timer, which invokes your TimerTask on a background > thread. > In Android, only the original (UI) thread is allowed to touch the UI. > Touching the UI from a background thread, like your code does, produces > unpredictable results (possibly a crash). > > This should help you refactor you code: > http://developer.android.com/resources/articles/timed-ui-updates.html > > -- Kostya > 2011/1/13 braco_ <braco...@googlemail.com> > > Hello, > > I have 4 Images > final ImageView redImage = (ImageView) findViewById > (R.id.circle_red); > final ImageView blueImage = (ImageView) findViewById > (R.id.circle_blue); > final ImageView greenImage = (ImageView) findViewById > (R.id.circle_green); > final ImageView yellowImage = (ImageView) findViewById > (R.id.circle_yellow); > > I try to blinking this images with a timer > final Timer timer = new Timer(); > > startButton.setOnClickListener(new View.OnClickListener() { > @Override > public void onClick(View v) { > // TODO Auto-generated method stub > > > timer.schedule(new > TaskTimer(yellowImage,punkteStand), 0, 2000); > } > }); > > TaskTimer.java > public TaskTimer(ImageView object, TextView pkt){ > image = object; > punkteStand = pkt; > } > > > @Override > public void run() { > // TODO Auto-generated method stub > String istString = (new Integer(time)).toString(); > CharSequence abc = istString; > punkteStand.setText(abc); > time++; > if(image.getVisibility() == View.INVISIBLE){ > image.setVisibility(View.VISIBLE); > } > else { > image.setVisibility(View.INVISIBLE); > > } > > But if i start nothing happens how can i do that better that a image > will blinking? > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to android-developers@googlegroups.com > To unsubscribe from this group, send email to > android-developers+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to android-developers@googlegroups.com > To unsubscribe from this group, send email to > android-developers+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en
-- Best Regards Felix Long -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
