private void showSystemFitable() { fitable = DeviceUtils.getFitable(); if (fitable < 1) { fitable = 1; } if (fitable > 9) { fitable = 9; } switch (fitable) { case 1: imgFitable.setBackgroundResource(R.drawable.c1); break; case 2: imgFitable.setBackgroundResource(R.drawable.c2); break; case 3: imgFitable.setBackgroundResource(R.drawable.c3); break; case 4: imgFitable.setBackgroundResource(R.drawable.c4); break; case 5: imgFitable.setBackgroundResource(R.drawable.c5); break; case 6: imgFitable.setBackgroundResource(R.drawable.c6); break; case 7: imgFitable.setBackgroundResource(R.drawable.c7); break; case 8: imgFitable.setBackgroundResource(R.drawable.c8); break; case 9: imgFitable.setBackgroundResource(R.drawable.c9); break; } }