Java TextView不显示计时器
出于某种原因,每当我试图更新我的文本视图以显示一个人还剩多少秒时。但由于某种原因,它现在不起作用了Java TextView不显示计时器,java,android,timer,textview,Java,Android,Timer,Textview,出于某种原因,每当我试图更新我的文本视图以显示一个人还剩多少秒时。但由于某种原因,它现在不起作用了 public class MainActivity extends Activity { private int index=0; @Override protected void onCreate(Bundle savedInstanceState) { final int[] Times= {6000,3000,7000,3000,4000,6000,3000}; super.
public class MainActivity extends Activity {
private int index=0;
@Override
protected void onCreate(Bundle savedInstanceState) {
final int[] Times= {6000,3000,7000,3000,4000,6000,3000};
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Button button = (Button) findViewById(R.id.button1);
final TextView textview =(TextView) findViewById(com.example.countdowntest.R.id.textView);
button.setOnClickListener(new OnClickListener(){
public void onClick(View v){
if(index<Times.length){
CountDownTimer timer = new CountDownTimer(
Times[index], 0) {
public void onTick(long millisUntilFinished) {
textview.setText("seconds remaining: "+ millisUntilFinished / 1000);
}
public void onFinish() {
textview.setText("done!");
index++;
}
}.start();
}
}
});
}
}
公共类MainActivity扩展活动{
私有整数指数=0;
@凌驾
创建时受保护的void(Bundle savedInstanceState){
最终整数[]次={600030070003000400060003000};
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
按钮按钮=(按钮)findViewById(R.id.button1);
final TextView TextView=(TextView)findViewById(com.example.countdownstest.R.id.TextView);
setOnClickListener(新的OnClickListener(){
公共void onClick(视图v){
如果(index它不会更新,因为您正在传递0
尝试传递1000
,这将以1秒的间隔更新它您的倒计时间隔为0
CountDownTimer(long millisInFuture, long countDownInterval)
你有什么
new CountDownTimer(Times[index], 0) { // second param to the constructor is 0.
应该是
new CountDownTimer(30000, 1000) // whatever value you like
您的倒计时间隔是0倒计时(长毫秒未来,长倒计时间隔)
Ohh哇,谢谢。忘记了第二个是间隔!谢谢!