Article Two: _uicascadingtextstorage Attributesatindex:effectiverange:]: Range or index out of bounds

Note the following red fields:

#pragma mark-input is changed

-(void) textfielddidchanged: (Uitextfield *) textfield{

Once the search keyword changes, the search will be re-searched to prevent data duplication when pulling down

_currentpage = 1;

BOOL ischinese;//Determines whether the current input method is Chinese

if ([[[[Uitextinputmode Currentinputmode] primarylanguage] isequaltostring: @ "en-us"]) {

Ischinese = false;

}

Else

{

Ischinese = true;

}

Remove all spaces in the search

NSString *seachtext = [[_seachtextfield text] stringbyreplacingoccurrencesofstring:@ "" withstring:@ ""];

NSLog (@ "%@", Seachtext);

_seachtextfield.text=seachtext;

if (Ischinese) {//Chinese Input Method

Uitextrange *selectedrange = [TextField markedtextrange];

Get highlighted parts

Uitextposition *position = [TextField positionFromPosition:selectedRange.start offset:0];

There is no highlighted word, the text you have entered is requested

if (!position) {

Dispatch_after (Dispatch_time (Dispatch_time_now, (int64_t) (0.2 * nsec_per_sec)), Dispatch_get_main_queue (), ^{

if (_seachtextfield.text.length>50) {

[Applicationdelegate showmsg:@] Enter the search address too long! "InView:ApplicationDelegate.window";

_seachtextfield.text=[_seachtextfield.text Substringwithrange:nsmakerange (0, 49)];

return;

}

DLog (@ "input of English into the state of Chinese characters");

[Self headerrereshing];

});

}else

{

DLog (@ "Copy and paste a lot of text, continue typing will cause crashes : The input of the Lenovo input in the English has not been translated into the state of the Chinese characters will cause a crash");

Judgment on exceeding the limit length and exit directly

Dispatch_after (Dispatch_time (Dispatch_time_now, (int64_t) (0.2 * nsec_per_sec)), Dispatch_get_main_queue (), ^{

if (_seachtextfield.text.length>50) {

_seachtextfield.text=[_seachtextfield.text Substringwithrange:nsmakerange (0, 49)];

return;

}

Return

});

}

}else{

Dispatch_after (Dispatch_time (Dispatch_time_now, (int64_t) (0.2 * nsec_per_sec)), Dispatch_get_main_queue (), ^{

if (_seachtextfield.text.length>50) {

[Applicationdelegate showmsg:@] Enter the search address too long! "InView:ApplicationDelegate.window";

_seachtextfield.text=[_seachtextfield.text Substringwithrange:nsmakerange (0, 49)];

return;

}

DLog (@ "Enter the state of the English language");

[Self headerrereshing];

});

}

}

Article Two: _uicascadingtextstorage Attributesatindex:effectiverange:]: Range or index out of bounds