Safe Fragment class

gistfile1.txt

package com.levelup.touiteur;

import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

public abstract class FragmentTransactionSafe extends Fragment {
  private boolean mCanDoTransaction = true;
	abstract protected View onCreateView(LayoutInflater inflater, Bundle savedInstanceState, ViewGroup root);

	@Override
	public void onStart() {
		super.onStart();
		mCanDoTransaction = true;
	}
	
	/* (non-Javadoc)
	 * @see android.support.v4.app.Fragment#onSaveInstanceState(android.os.Bundle)
	 */
	@Override
	public void onSaveInstanceState(Bundle outState) {
		super.onSaveInstanceState(outState);
		mCanDoTransaction = false;
	}
	
	public boolean canDoTransaction() {
		return mCanDoTransaction;
	}
	
	@Override
	public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
		mCanDoTransaction = true;
		return onCreateView(inflater, savedInstanceState, container);
	}
}