Android Custom view Countdown 60 sec
- 2021-10-13 08:40:17
- OfStack
1 simple custom view. It encapsulates the countdown of time and the calculation of time from the present time
public class TimerTextView extends LinearLayout{
// Time variable
private long second;
private TextView tv_Time;
private TextView tv_Unit;
RefreshCallBack refreshCallBack;
public TimerTextView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
initView(context);
}
public TimerTextView(Context context, AttributeSet attrs) {
super(context, attrs);
initView(context);
}
public TimerTextView(Context context) {
super(context);
initView(context);
}
private void initView(Context context) {
// Load layout
LayoutInflater.from(context).inflate(R.layout.timer_text_view, this);
tv_Time = (TextView) findViewById(R.id.countdown_time);
tv_Unit = (TextView) findViewById(R.id.countdown_unit);
}
@Override
protected void onDetachedFromWindow() {
super.onDetachedFromWindow();
// Remove messages when controls are destroyed
handler.removeMessages(0);
}
private boolean isRun = true; // Is it started
private Handler handler = new Handler(Looper.getMainLooper()) {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case 0:
if (isRun) {
if (second > 0) {
second = second - 1;
handler.sendEmptyMessageDelayed(0, 1000);
}else{
if(null != refreshCallBack){
refreshCallBack.refreshCallBack(true);
isRun = false;
}
}
}
break;
}
}
};
public boolean isRun() {
return isRun;
}
/**
* Start timing
*/
public void start() {
isRun = true;
handler.removeMessages(0);
handler.sendEmptyMessage(0);
}
/**
* End timing
*/
public void stop() {
isRun = false;
}
public void diffTime(String endTime) {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.CHINA);
String startTime = sdf.format(new Date());
String format = "yyyy-MM-dd hh:mm:ss";
// Generated in the passed-in format 1 A simpledateformate Object
SimpleDateFormat sd = new SimpleDateFormat(format);
long nd = 1000 * 24 * 60 * 60;//1 Milliseconds of a day
long nh = 1000 * 60 * 60;//1 Milliseconds of hours
long nm = 1000 * 60;//1 Milliseconds in minutes
long ns = 1000;//1 Milliseconds in seconds long diff;try {
// Get the millisecond time difference between two times
long diff = 0;
try {
diff = sd.parse(endTime).getTime() - sd.parse(startTime).getTime();
} catch (ParseException e) {
e.printStackTrace();
}
if (diff < 0) {
if(null != refreshCallBack){
refreshCallBack.showCallBack(false);
}
return ;
} else {
if(null != refreshCallBack){
refreshCallBack.showCallBack(true);
}
long day = diff / nd;// Calculate the difference by how many days
if (day > 0) {
tv_Time.setText(String.valueOf(day));
tv_Unit.setText(" Days ");
} else {
long hour = diff % nd / nh;// Calculate the difference by how many hours
if (hour > 0) {
tv_Time.setText(String.valueOf(hour));
tv_Unit.setText(" Hours ");
} else {
long min = diff % nd % nh / nm;// Calculate the difference by how many minutes
if (min > 0) {
tv_Time.setText(String.valueOf(min));
tv_Unit.setText(" Minutes ");
} else {
second = diff%nd%nh%nm/ns;// Calculate the difference in seconds // Output result
// if(min > 0){
// stringBuffer.append(sec+" Seconds ");
// }
handler.removeMessages(0);
handler.sendEmptyMessage(0);
tv_Unit.setText(" Is about to begin ");
tv_Time.setVisibility(GONE);
}
}
}
}
}
public void setTextViewSize(int size){
if(null != tv_Time){
tv_Time.setTextSize(size);
}
if(null != tv_Unit){
tv_Unit.setTextSize(size);
}
}
public void setTextViewSpace(String type){
if("Big".equals(type)){
LinearLayout.LayoutParams lp2 = (LayoutParams) tv_Time.getLayoutParams();
lp2.setMargins(0, 0, DensityUtil.dip2px(tv_Time.getContext(), 12), 0);
tv_Time.setLayoutParams(lp2);
tv_Time.setBackground(getResources().getDrawable(R.drawable.bg_video_count_down));
}else if("Middle".equals(type)){
tv_Time.setPadding(12, 0, 12, 0);
LinearLayout.LayoutParams lp2 = (LayoutParams) tv_Time.getLayoutParams();
lp2.setMargins(0, 0,12, 0);
tv_Time.setLayoutParams(lp2);
}else {
tv_Time.setPadding(8, 0, 8, 0);
LinearLayout.LayoutParams lp2 = (LayoutParams) tv_Time.getLayoutParams();
lp2.setMargins(0, 0, 8, 0);
tv_Time.setLayoutParams(lp2);
}
}
public void setRefreshCallBack(RefreshCallBack refreshCallBack){
this.refreshCallBack = refreshCallBack;
}
public interface RefreshCallBack {
public void refreshCallBack(boolean flag);
public void showCallBack(boolean flag);
}
}