package com.handsomezhou.proximitysensordemo.util;
import android.text.Html;
import android.text.Spanned;
import android.view.View;
import android.widget.TextView;
public class ViewUtil {
public static void showTextNormal(TextView tv,String text){
if((null==tv)||(null==text)){
return;
}
tv.setText(text);
}
/**
* @param tv
* @param baseText
* @param highlightText
* if the string of highlightText is a subset of the string of baseText,highlight the string of highlightText.
*/
public static void showTextHighlight(TextView tv,String baseText,String highlightText){
if((null==tv)||(null==baseText)||(null==highlightText)){
return;
}
int index=baseText.indexOf(highlightText);
if(index<0){
tv.setText(baseText);
return;
}
int len=highlightText.length();
/**
* "<u><font color=#FF8C00 >"+str+"</font></u>"; //with underline
* "<font color=#FF8C00 >"+str+"</font>"; //without underline
*
* <color name="dark_orange">#FF8C00</color>
*/
Spanned spanned=Html.fromHtml(baseText.substring(0, index)+"<font color=#FF8C00 >"
+ baseText.substring(index, index + len) + "</font>"
+ baseText.substring(index + len, baseText.length()));
tv.setText(spanned);
}
public static int getViewVisibility(View view) {
if (null == view) {
return View.GONE;
}
return view.getVisibility();
}
public static void showView(View view) {
if (null == view) {
return;
}
if (View.VISIBLE != view.getVisibility()) {
view.setVisibility(View.VISIBLE);
}
}
public static void invisibleView(View view) {
if (null == view) {
return;
}
if (View.INVISIBLE != view.getVisibility()) {
view.setVisibility(View.INVISIBLE);
}
return;
}
public static void hideView(View view) {
if (null == view) {
return;
}
if (View.GONE != view.getVisibility()) {
view.setVisibility(View.GONE);
}
return;
}
}