avaudioplayer - Trim the audiofile by selecting point in UISlider -


i working on audioplayer need show progress of audio being played . need trim audio selecting point marked .

below image have attached

thanks,

venkateshwaran

finally found solution

enter code here       uislider *sliderprogress = [[uislider alloc] initwithframe:cgrectmake(135, 165, 260, 28)];     sliderprogress.maximumvalue = self.player.duration;     [sliderprogress addtarget:self action:@selector(sliderchanged:) forcontrolevents:uicontroleventvaluechanged];     [self setprogressslider:sliderprogress];     [self addsubview:progressslider];     [sliderprogress release];      _leftthumbview = [[uiimageview alloc] initwithframe:cgrectmake(0, 0, 56, 35)];     _leftthumbview.image = [uiimage imagenamed:@"top.png"];     _leftthumbview.contentmode = uiviewcontentmodeleft;     _leftthumbview.userinteractionenabled = yes;     _leftthumbview.clipstobounds = yes;     [progressslider addsubview:_leftthumbview];      uipangesturerecognizer *leftpan = [[uipangesturerecognizer alloc] initwithtarget:self action:@selector(handleleftpan:)];     [_leftthumbview addgesturerecognizer:leftpan];      _rightthumbview = [[uiimageview alloc] initwithframe:cgrectmake(0, 0, 56, 35)];     _rightthumbview.image = [uiimage imagenamed:@"bottom.png"];     _rightthumbview.contentmode = uiviewcontentmoderight;     _rightthumbview.userinteractionenabled = yes;     _rightthumbview.clipstobounds = yes;     [progressslider addsubview:_rightthumbview];      uipangesturerecognizer *rightpan = [[uipangesturerecognizer alloc] initwithtarget:self action:@selector(handlerightpan:)];     [_rightthumbview addgesturerecognizer:rightpan];        - (void)handleleftpan:(uipangesturerecognizer *)gesture     {         if (gesture.state == uigesturerecognizerstatebegan || gesture.state == uigesturerecognizerstatechanged) {           cgpoint translation = [gesture translationinview:self];           cgfloat range = progressslider.maximumvalue - progressslider.minimumvalue;     cgfloat availablewidth = 260 - 28;     _leftvalue += translation.x / availablewidth * range;     if (_leftvalue < 0) _leftvalue = progressslider.minimumvalue;     if (_rightvalue - _leftvalue < progressslider.minimumvalue) _leftvalue = _rightvalue - 1.0;      [gesture settranslation:cgpointzero inview:self];      [self setneedslayout];    }  //if (gesture.state == uigesturerecognizerstateended)     //[self hidepopover:_leftpopover];

}

       - (void)handlerightpan:(uipangesturerecognizer *)gesture     {          if (gesture.state == uigesturerecognizerstatebegan || gesture.state == uigesturerecognizerstatechanged) {         cgpoint translation = [gesture translationinview:self];     cgfloat range = progressslider.maximumvalue - progressslider.minimumvalue;     cgfloat availablewidth = 260 - 28;     _rightvalue += translation.x / availablewidth * range;      if (_rightvalue > progressslider.maximumvalue) _rightvalue = progressslider.maximumvalue;     if (_rightvalue - _leftvalue < progressslider.minimumvalue) _rightvalue = _leftvalue + 1.0;      [gesture settranslation:cgpointzero inview:self];      [self setneedslayout];

}


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