編輯:關於android開發
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
final TextView txt=(TextView)findViewById(R.id.showTime);
final Handler myHandler=new Handler()
{
@Override
public void handleMessage(Message msg)
{
if(msg.what==0x12)
{
txt.setText("當前時間:"+new java.util.Date());
}
}
};
Button btn=(Button)findViewById(R.id.btn);
btn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
new Timer().schedule(new TimerTask() {
@Override
public void run() {
// TODO Auto-generated method stub
myHandler.sendEmptyMessage(0x12);
}
}, 0,1000);
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}
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