Android ArcGis 地图图层切换

if (layerlist.contains(local)){
Log.e("set1","包含遥感影像图层");
setting_bt2.setBackground(getResources().getDrawable(R.color.setting_bt_color));
setting_bt2.setTextColor(getResources().getColor(R.color.setting_txt_color));

}else{
Log.e("set1","不包含遥感影像图层");
setting_bt2.setBackground(getResources().getDrawable(R.color.setting_txt_color));
setting_bt2.setTextColor(getResources().getColor(R.color.setting_bt_color));
}
if (layerlist.contains(local1)){
Log.e("set1","包含地图图层");
setting_bt1.setBackground(getResources().getDrawable(R.color.setting_bt_color));
setting_bt1.setTextColor(getResources().getColor(R.color.setting_txt_color));
}else{
Log.e("set1","不包含地图图层");
setting_bt1.setBackground(getResources().getDrawable(R.color.setting_txt_color));
setting_bt1.setTextColor(getResources().getColor(R.color.setting_bt_color));
}
setting_bt1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (layerlist.contains(local1)){
setting_bt1.setBackground(getResources().getDrawable(R.color.setting_txt_color));
setting_bt1.setTextColor(getResources().getColor(R.color.setting_bt_color));
mMapView.removeLayer(local1);
layerlist.remove(local1);
Log.e("layerlist","layerlist is :"+layerlist);

}else{
setting_bt1.setBackground(getResources().getDrawable(R.color.setting_bt_color));
setting_bt1.setTextColor(getResources().getColor(R.color.setting_txt_color));
mMapView.addLayer(local1);
layerlist.add(local1);
}
}
});
setting_bt2.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (layerlist.contains(local)){
setting_bt2.setBackground(getResources().getDrawable(R.color.setting_txt_color));
setting_bt2.setTextColor(getResources().getColor(R.color.setting_bt_color));
mMapView.removeLayer(local);
layerlist.remove(local);
}else{
setting_bt2.setBackground(getResources().getDrawable(R.color.setting_bt_color));
setting_bt2.setTextColor(getResources().getColor(R.color.setting_txt_color));
mMapView.addLayer(local);
layerlist.add(local);

}
}
});