android - How to reload the images when level comple(Andengine) -

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i developing game using andengine. place coding 

//  private tiledtextureregion levelregion;  int level;  //in  onloadresources()    this.mtexture = new texture(2048, 512);                     this.levelregion=textureregionfactory.createfromasset(this.mtexture, this,  "bg"+level +".png",0,0);        this.mengine.gettexturemanager().loadtexture(this.mtexture);

when level complete , increased level , try call again onloadresources(). got error , screen in blank.. how fix problem .


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