Androidのinputfillter by character filter length, one Chinese when two characters

/*** Lengthfilter implemented in byte number mode *@authorBvin*/ Public classOnebyteinputfilterImplementsinputfilter{Private Final intMmax;  PublicOnebyteinputfilter (intMmax) {        Super();  This. Mmax =Mmax; } @Override PublicCharsequence Filter (charsequence source,intStartintEnd, spanned dest,intDStart,intdend) {        //int remainlength = Dest.length ()-(Dend-dstart);charsequence Placestart= Dest.subsequence (0, DStart); Charsequence Placeend=dest.subsequence (DEnd, Dest.length ()); intPlacestartlength =Util.computelenthbybyte (placestart.tostring ()); intPlaceendlength =Util.computelenthbybyte (placeend.tostring ()); intCanreplacesize = mmax-placestartlength-placeendlength; if(canreplacesize>0) {charsequence Sourcespan=source.subsequence (start, end); intSourcespanlength =Util.computelenthbybyte (sourcespan.tostring ()); if(sourcespanlength>=canreplacesize) {//replacement content is longer than the length of the FitString result = Fixsplit (Sourcespan.tostring (), Canreplacesize,false); if(!textutils.isempty (Result)) {                    returnresult; }Else {                    return""; }                            }Else {                return NULL; }                    }Else {            return""; }          }    Private StaticString Fixsplit (String s,intSumBooleanDebug) {        intCounter = 0; String fixstring=NULL;  for(inti = 0; I < s.length (); i++) {            if(counter>=sum) {                 Break; }            intLength = (S.charat (i) + ""). GetBytes (). length; if(length>1) {counter+ = 2; if(counter<=sum) {fixstring= s.substring (0, i+1); }            } Else if(length==1){                if(counter<=sum) {fixstring= s.substring (0, i+1); }                ++counter; }Else{//less than 1                Continue; }                        /*if (counter>=sum) {System.out.println ("break;" +counter);            Break            }else {fixstring = s.substring (0, i+1); }*/        }        returnfixstring; }}

Androidのinputfillter by character filter length, one Chinese when two characters