Use FragmentManager
Description
The following code shows how to Use FragmentManager.
Example
Layout xml file
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Go Home"
android:onClick="onHomeClick" />
<FrameLayout
android:id="@+id/container_fragment"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
</LinearLayout>
Main activity Java code
import android.graphics.Color;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
/*from ww w . j ava2 s. com*/
public class MyActivity extends FragmentActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
ft.add(R.id.container_fragment, MyFragment.newInstance("First Fragment"));
ft.commit();
ft = getSupportFragmentManager().beginTransaction();
ft.add(R.id.container_fragment, MyFragment.newInstance("Second Fragment"));
ft.addToBackStack("second");
ft.commit();
ft = getSupportFragmentManager().beginTransaction();
ft.add(R.id.container_fragment, MyFragment.newInstance("Third Fragment"));
ft.addToBackStack("second");
ft.commit();
ft = getSupportFragmentManager().beginTransaction();
ft.add(R.id.container_fragment, MyFragment.newInstance("Fourth Fragment"));
ft.addToBackStack("fourth");
ft.commit();
}
public void onHomeClick(View v) {
getSupportFragmentManager().popBackStack("second", FragmentManager.POP_BACK_STACK_INCLUSIVE);
}
public static class MyFragment extends Fragment {
private CharSequence mTitle;
public static MyFragment newInstance(String title) {
MyFragment fragment = new MyFragment();
fragment.setTitle(title);
return fragment;
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
TextView text = new TextView(getActivity());
text.setText(mTitle);
text.setBackgroundColor(Color.WHITE);
return text;
}
public void setTitle(CharSequence title) {
mTitle = title;
}
}
}