Android控件倒计时的达成

发布时间：2021-12-13 13:07:42 所属栏目：教程来源：互联网

导读：Android控件倒计时的实现，使用CountDownTimer实现比较简单，以下是将Button对象传进来的TimeCountButton类。 public class CountDownButton extends CountDownTimer { public static final int TIME_COUNT_FUTURE = 60000; public static final int TIME_COU

Android控件倒计时的实现，使用CountDownTimer实现比较简单，以下是将Button对象传进来的TimeCountButton类。

public class CountDownButton extends CountDownTimer {
public static final int TIME_COUNT_FUTURE = 60000;
public static final int TIME_COUNT_INTERVAL = 1000;

private Context mContext;
private Button mButton;
private String mOriginalText;
private Drawable mOriginalBackground;
private Drawable mTickBackground;
private int mOriginalTextColor;

public CountDownButton() {
  super(TIME_COUNT_FUTURE, TIME_COUNT_INTERVAL);
}

public CountDownButton(long millisInFuture, long countDownInterval) {
  super(millisInFuture, countDownInterval);
}

public void init(Context context, Button button) {
  this.mContext = context;
  this.mButton = button;
  this.mOriginalText = mButton.getText().toString();
  this.mOriginalBackground = mButton.getBackground();
  this.mTickBackground = this.mOriginalBackground;
  this.mOriginalTextColor = mButton.getCurrentTextColor();
}

public void setTickDrawable(Drawable tickDrawable) {
  this.mTickBackground = tickDrawable;
}

@Override
public void onFinish() {
  if (mContext != null && mButton != null) {
   mButton.setText(mOriginalText);
   mButton.setTextColor(mOriginalTextColor);
   mButton.setBackgroundDrawable(mOriginalBackground);
   mButton.setClickable(true);
  }
}

@Override
public void onTick(long millisUntilFinished) {
  if (mContext != null && mButton != null) {
   mButton.setClickable(false);
   mButton.setBackgroundDrawable(mTickBackground);
   mButton.setTextColor(mContext.getResources().getColor(android.R.color.darker_gray));
   mButton.setText(mOriginalText + "（" + millisUntilFinished / 1000 + "'）");
  }
}
}

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