我已经创建了一个滑动标签布局，并且在其中一个标签中我想在地图上工作...我是Android新手，我不知道我是否做得对... < / p>
我试图制作一个活动并试图将活动附加到片段......
我的片段Tab2.java中的代码是
txt <- "hello
world
123
bye
world
456
byee
world
456678"
temp <- data.frame( scan(text=txt,
what= list( word="", dest="", num=numeric(), "NULL"),
multi.line=TRUE))
write.table(temp, sep=",", file="", quote=FALSE,col.names=FALSE)
#-------------
1,hello,world,123,
2,bye,world,456,
3,byee,world,456678,
我的ViewPagerAdapter的代码是：
import android.app.Dialog;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.GooglePlayServicesUtil;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.SupportMapFragment;
/**
* Created by Rafaqat Rasool on 5/26/2015.
*/
public class Tab2 extends Fragment {
GoogleMap googleMap;
@
Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View v = inflater.inflate(R.layout.tab_2, container, false);
return v;
}
@
Override
public void onActivityCreated(@Nullable Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
// Getting Google Play availability status
int status = GooglePlayServicesUtil.isGooglePlayServicesAvailable(getActivity().getBaseContext());
// Showing status
if (status != ConnectionResult.SUCCESS) { // Google Play Services are not available
int requestCode = 10;
Dialog dialog = GooglePlayServicesUtil.getErrorDialog(status, getActivity(), requestCode);
dialog.show();
} else { // Google Play Services are available
// Getting reference to the SupportMapFragment of activity_main.xml
SupportMapFragment fm = (SupportMapFragment) getActivity().getSupportFragmentManager().findFragmentById(R.id.map);
// Getting GoogleMap object from the fragment
googleMap = fm.getMap();
// Enabling MyLocation Layer of Google Map
googleMap.setMyLocationEnabled(true);
}
}
}
和MapT2.java的代码是
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentStatePagerAdapter;
/**
* Created by Rafaqat Rasool on 5/26/2015.
*/
public class ViewPagerAdapter extends FragmentStatePagerAdapter {
CharSequence Titles[]; // This will Store the Titles of the Tabs which are Going to be passed when ViewPagerAdapter is created
int NumbOfTabs; // Store the number of tabs, this will also be passed when the ViewPagerAdapter is created
// Build a Constructor and assign the passed Values to appropriate values in the class
public ViewPagerAdapter(FragmentManager fm, CharSequence mTitles[], int mNumbOfTabsumb) {
super(fm);
this.Titles = mTitles;
this.NumbOfTabs = mNumbOfTabsumb;
}
//This method return the fragment for the every position in the View Pager
@Override
public Fragment getItem(int position) {
if (position == 0) // if the position is 0 we are returning the First tab
{
Tab1 tab1 = new Tab1();
return tab1;
}else if(position == 1){
Tab2 tab2 = new Tab2();
return tab2;
}
else // As we are having 3 tabs if the position is now 1 it must be 2 so we are returning third tab
{
Tab3 tab3 = new Tab3();
return tab3;
}
}
// This method return the titles for the Tabs in the Tab Strip
@Override
public CharSequence getPageTitle(int position) {
return Titles[position];
}
// This method return the Number of tabs for the tabs Strip
@Override
public int getCount() {
return NumbOfTabs;
}
}
在上面的类中我得到错误（无法解析方法＆＃39; add（int，com.example.rafaqatrasool.optiroute.Tab2））因为无法将Tab2转换为Fragment ....我已经检查了我的导入他们都支持.v4.app.Fragment ...我不知道发生了什么......请帮帮我