import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.widget.ImageView;
import android.widget.TextView;
public class SampleActivity11 extends Activity {
private int i = 0;
private TextView myi;
private ImageView imageView;
Handler handler = new Handler() {
@Override
public void handleMessage(Message msg) {
updateThread();
}
};
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_sample_activity11);
myi = (TextView) findViewById(R.id.i);
imageView = (ImageView) findViewById(R.id.myImageView);
}
@Override
protected void onStart() {
super.onStart();
Thread myThread = new Thread(new Runnable() {
public void run() {
while (true) {
try {
handler.sendMessage(handler.obtainMessage());
Thread.sleep(1000);
} catch (Throwable t) {
}
}
}
});
myThread.start();
}
private void updateThread() {
int mod = i % 4;
switch (mod) {
case 0:
i++;
imageView.setImageResource(R.drawable.images01);
break;
case 1:
i++;
imageView.setImageResource(R.drawable.images02);
break;
case 2:
i++;
imageView.setImageResource(R.drawable.images03);
break;
case 3:
i = 0;
imageView.setImageResource(R.drawable.images04);
break;
}
myi.setText(String.valueOf(i));
}
}
