public class homeFragment extends Fragment
{
SharedPreferences sharedpreferences;
private static final String selectedChildTracker = "selectedChild";
static ArrayList<String> subjects;
static csBar cShowProgress = csBar.getInstance();
BarChart chart;
Button loadChart;
BarData data;
View card = null;
@Nullable
@Override
public View onCreateView(LayoutInflater inflater,@Nullable ViewGroup container, @Nullable Bundle savedInstanceState)
{
card = inflater.inflate(R.layout.home,null);
chart = (BarChart) card.findViewById(R.id.chart);
loadChart = (Button) card.findViewById(R.id.graph_loader);
sharedpreferences = this.getActivity().getSharedPreferences(selectedChildTracker, Context.MODE_PRIVATE);
final String activeChild = sharedpreferences.getString("selectedChild",null);
final String week = "4";
final String term = "First Term";
final String session = "2015/2016";
loadChart.setOnClickListener(new View.OnClickListener()
{
@Override
public void onClick(View view)
{
Request(week,term,session,activeChild);
}
});
return card;
}
}
我遇到的问题是,当单击加载图表按钮时,图表会正确加载,但是当方向更改或用户访问另一个页面时,图表数据将被清除并且片段将被重置。我从来没有以这种方式使用片段,所以我对如何处理这个问题感到很困惑。
答案 0 :(得分:1)
只需在应用程序标记
下的最明显文件中添加此内容即可 android:screenOrientation="portrait"
这将处理屏幕旋转问题