Activita neraguje po spuštění, problém asi Serializable – Java – Fórum – Programujte.com
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Activita neraguje po spuštění, problém asi Serializable – Java – Fórum – Programujte.comActivita neraguje po spuštění, problém asi Serializable – Java – Fórum – Programujte.com

 

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~ Anonymní uživatel
90 příspěvků
9. 5. 2014   #1
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Potřeboval jsem přenést do fragmentu object. Použil jsem k tomu bundle.putSerializable(). přenášení dat do fragmentu fungovalo perfektně, ale když jsem potom spustil jinou Activitu nastal error:

 Eclipse mi ukáže, že je problém v na tomto řádku: Bundle--> parcel.restoreAllowFds(oldAllowFds);

výpis z debugeru

test [Android Application]	
	DalvikVM [localhost:8603]	
		Thread [<1> main] (Suspended (exception RuntimeException))	
			<VM does not provide monitor information>	
			Bundle.writeToParcel(Parcel, int) line: 1702	
			Parcel.writeBundle(Bundle) line: 636	
			ActivityManagerProxy.activityStopped(IBinder, Bundle, Bitmap, CharSequence) line: 2467	
			ActivityThread$StopInfo.run() line: 3098	
			Handler.handleCallback(Message) line: 733	
			ActivityThread$H(Handler).dispatchMessage(Message) line: 95	
			Looper.loop() line: 136	
			ActivityThread.main(String[]) line: 5017	
			Method.invokeNative(Object, Object[], Class, Class[], Class, int, boolean) line: not available [native method]	
			Method.invoke(Object, Object...) line: 515	
			ZygoteInit$MethodAndArgsCaller.run() line: 779	
			ZygoteInit.main(String[]) line: 595	
			NativeStart.main(String[]) line: not available [native method]	
		Thread [<10> Binder_2] (Running)	
		Thread [<9> Binder_1] (Running)	

Zdrojový kód:

mainActivity

public class MainActivity extends Activity implements Serializable {
	
	
	private static final long serialVersionUID = 1L;
	private List<String> arrayOfGuest;	//hold thing which are in listView
	private ListView NameList;
	
	private FragmentManager fragmentManager;
	private FragmentTransaction fragmentTransaction;
	private ArrayAdapter<String> arrayAdapter;
	
	private Database database;
	

	/*****************************************************
     * OnCreate method
     *****************************************************/
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		
		//this.deleteDatabase("Database.db");
		
		setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
		
		Init();
		
				
		//Set default fragment.
		fragmentTransaction = fragmentManager.beginTransaction();	//Start of transaction.
			Fragment fragment=new DefaultFragment();
			fragmentTransaction.add(R.id.content_layout, fragment);	// add fragment to layout.
		fragmentTransaction.commit();	//end of transaction.
		
		//Listener for NameList (ListView). The listener change fragments on screen.
		NameList.setOnItemClickListener(new AdapterView.OnItemClickListener() {
	        @Override
	        public void onItemClick(AdapterView<?> arg0, View view, int position, long id) {
	        	
	        	
	        	fragmentTransaction = fragmentManager.beginTransaction();	//Start of transaction.
	        		Fragment fragment=GuestFragment.newInstance(database, NameList.getItemAtPosition(position).toString(), MainActivity.this);
	        		fragmentTransaction.replace(R.id.content_layout, fragment);
	        		fragmentTransaction.addToBackStack(null);	 //add fragment tag (id) for latest editing.  	
				fragmentTransaction.commit(); //end of transaction.
				
	        }
	    });
		
		//create long listener for deleting guest
		NameList.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
			@Override
			public boolean onItemLongClick(AdapterView<?> arg0, View arg1, final int position, long arg3) {
				
				//create dialog for deleting guest
				AlertDialog.Builder dialogBuilder= new AlertDialog.Builder(MainActivity.this);
					dialogBuilder.setTitle("Potvdit smazání?");
					dialogBuilder.setPositiveButton("Smazat", new DialogInterface.OnClickListener() {
						@Override
						public void onClick(DialogInterface dialog, int which) {
							database.DeleteGuest(NameList.getItemAtPosition(position).toString(), 0);
							updateListView();	//update array with name of guest
							setDefaultFragment();
						}
					});			
					dialogBuilder.setNegativeButton("Zrušit", new DialogInterface.OnClickListener() {
						@Override
				        public void onClick(DialogInterface dialog, int which) {
							Toast.makeText(getApplicationContext(), "Host nebyl smazán.", Toast.LENGTH_LONG).show();   	
				        }
				    });
					dialogBuilder.show();

				return false;
			}
		});
		
	}
	
	@Override
	protected void onPause() {
		super.onPause();
		database.close();	//close database because another activity will be using it
	}
	
	@Override
	public boolean onMenuItemSelected(int featureId, MenuItem item) {
	    int itemId = item.getItemId();
	    switch (itemId) {
	    	case R.id.actin_bar_options_list_of_food:
	    		//start activity with offer
	    		Intent intent = new Intent(this, OfferActivity.class);
	    		startActivity(intent);
	    		break;
	    	case R.id.actin_bar_options_app:
	    		break;
	    }

	    return true;
	}
	
	/*****************************************************
     * Method init all staff
     *****************************************************/
	private void Init(){
		database=new Database(this);
		fragmentManager = getFragmentManager();
		NameList=(ListView) findViewById(R.id.list_view);
		
		arrayOfGuest = new ArrayList<String>();
		updateListView();	//update ListView
	}
	
	
	/*****************************************************
     * Method for add new guest, it will show a dialog with writing name 
     *****************************************************/
	public void AddGuest(View view){
		AlertDialog.Builder dialogBuilder= new AlertDialog.Builder(MainActivity.this);	//create dialog builder
		
		final EditText ET=new EditText(this);
		
		dialogBuilder.setTitle("Jméno hosta?");	// set title
		dialogBuilder.setView(ET);	//add EditText
		
		//Positive button
        dialogBuilder.setPositiveButton("Přidat", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
            	database.AddGuest(ET.getText().toString());	// add guest to database
            	updateListView();	//update array with name of guest
            }
        });
        
        //negative button
        dialogBuilder.setNegativeButton("Zrušit", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                Toast.makeText(getApplicationContext(), "Host Nepřidán", Toast.LENGTH_LONG).show();   	
            }
        });
        
        dialogBuilder.show();	//show the dialog
	}
	
	/*****************************************************
     * Method add ActionBar
     *****************************************************/
	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		MenuInflater mif=getMenuInflater();
		mif.inflate(R.menu.main_x, menu);
		return super.onCreateOptionsMenu(menu);
	}
	
	/*****************************************************
     * Method, which take guest from database and paste it to array 
     *****************************************************/
	public void updateListView(){
		arrayOfGuest.clear();
		ArrayList<HashMap<String, String>> Guests=database.GetAllGuests();
		
		for(HashMap<String, String> x:Guests)
			arrayOfGuest.add(x.get(database.GUEST_NAME));
		
		arrayAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, arrayOfGuest );
		NameList.setAdapter(arrayAdapter);
	}
	
	public void setDefaultFragment(){
		//Set default fragment.
		fragmentTransaction = fragmentManager.beginTransaction();	//Start of transaction.
			Fragment defaultFragment=new DefaultFragment();
			fragmentTransaction.replace(R.id.content_layout, defaultFragment);	// add fragment to layout.
			defaultFragment=null;
		fragmentTransaction.commit();	//end of transaction.
	}
	
}

GuestFragment

package com.wesikprograming.cisnik;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.Fragment;
import android.content.DialogInterface;
import android.database.DataSetObserver;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

import com.wesikprograming.cisnik.database.Database;
import com.wesikprograming.cisnik.listViewAdapters.OrderListViewAdapter;

public class GuestFragment extends Fragment{
	
	private TextView nameTextView;
	private ListView orderListView;
	private String guestName;
	private Button addButton, payButton;
	private Database database;
	private MainActivity mainActivity;
	private boolean isActived=false;
	
	private static final String DATABASE_KEY = "describable_key";
	private static final String GUEST_NAME_KEY = "guest_name_key";
	private static final String MEIN_ACTIVITY_KEY = "main_activity";
	
	/*****************************************************
     * create fragment and put inside bundle variable. Reason why I am doing it here with static method, is that I have here final recognize String name like DATABASE_KEY
     ***************************************************/
	public static GuestFragment newInstance(Database database, String guestName, MainActivity mainActivity) {
		GuestFragment fragment = new GuestFragment();
	    Bundle bundle = new Bundle();
	    bundle.putSerializable(DATABASE_KEY, database);
	    bundle.putString(GUEST_NAME_KEY, guestName);
	    bundle.putSerializable(MEIN_ACTIVITY_KEY, mainActivity);
	    fragment.setArguments(bundle);
	    bundle=null;

	    return fragment;
	}

	public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState){
		View view=inflater.inflate(R.layout.guest_fragment, container, false);	//create fragment from XML file
		
		//put data to variable from bundle
		database=(Database) getArguments().getSerializable(DATABASE_KEY);
		mainActivity=(MainActivity) getArguments().getSerializable(MEIN_ACTIVITY_KEY);
		guestName= getArguments().getString(GUEST_NAME_KEY);
				
		nameTextView=(TextView) view.findViewById(R.id.guest_name_id);
		orderListView=(ListView) view.findViewById(R.id.guest_list_view);
		addButton=(Button)view.findViewById(R.id.guest_fragment_add_button);
		payButton=(Button)view.findViewById(R.id.guest_fragment_pay_button);
		
		nameTextView.setText(guestName);
		UpdateListView();	//set adapter for listView
		
		//add item to order dialog
		addButton.setOnClickListener(new View.OnClickListener() {
	         public void onClick(View v) {
	        	 
	        	 AlertDialog.Builder dialogBuilder= new AlertDialog.Builder(getActivity());
	        	 dialogBuilder.setTitle("přidat položku");
	        	 
				 //create adapter for listView in dialog
				 final ArrayAdapter<String> adapter = new ArrayAdapter<String>(getActivity(), android.R.layout.simple_expandable_list_item_1);	//create adapter for dialog
				 adapter.addAll(database.getAllOffersItemsName());	//add items to adapter
				 
				 dialogBuilder.setAdapter(adapter, new DialogInterface.OnClickListener() {			//set adapter in dialog a make listener
					 public void onClick(DialogInterface dialog, int position) {
						 if(!database.AddItemToOrders(database.GetGuestID(guestName), database.GetItemID(adapter.getItem(position).toString())))
							 Toast.makeText(getActivity(), "Položka se již v seznamu vyskytuje. Ale byla zařazena do objednávek", Toast.LENGTH_LONG).show();
						 else
							 Toast.makeText(getActivity(), "Položka byla přidána do seznamu", Toast.LENGTH_LONG).show();
						 		UpdateListView();
					 }
				 });
				 
	        	 dialogBuilder.setPositiveButton("Zrušit", new DialogInterface.OnClickListener() {
	        		 @Override
	        		 public void onClick(DialogInterface dialog, int which) {
	        			 
	        		 }
	        	 });			
	        	 dialogBuilder.setNegativeButton("Položka není v seznamu", new DialogInterface.OnClickListener() {
	        		 @Override
	        		 public void onClick(DialogInterface dialog, int which) {
	        			 
	        		 }
	        	 });
	        	 dialogBuilder.show();
	         }
	    });
		
		//charge order
		payButton.setOnClickListener(new View.OnClickListener() {
	         public void onClick(View v) {
	            Toast.makeText(getActivity(), "test", Toast.LENGTH_LONG).show();
	         }
	    });
		
		
		return view;
	}
	
	
	/*****************************************************
     * set things list view in fragment 
     ***************************************************/
	public void UpdateListView(){
		List<OrderItem>  list=new ArrayList<OrderItem>();	// this hold information about orders
		
		
		ArrayList<HashMap<String, Integer>> Guests=database.GetGuestOffer(database.GetGuestID(guestName));	//get guest order
		
		//create items for listView. Take them form database
		for(HashMap<String, Integer> x: Guests){
			list.add(new OrderItem(database.GetItemNameByID(x.get(database.ITEM_ID)), x.get(database.ITEM_COUNT)));
		}
		
		//create custom adapter for listView  
		OrderListViewAdapter GLVA=new OrderListViewAdapter(getActivity(), list, database, guestName, this);
		orderListView.setAdapter(GLVA);
	}
	@Override
	public void onStart() {
		super.onStart();
		UpdateListView();	
	}

}

OfferActivity

import java.io.Serializable;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.Toast;

import com.wesikprograming.cisnik.database.Database;
import com.wesikprograming.cisnik.listViewAdapters.OfferListViewAdapter;

public class OfferActivity extends Activity {

	
	private ListView OfferListView;
	private Database database;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		
		setContentView(R.layout.offer_activity);

		init();
		UpdataListView();
	}
	
	public void init(){
		OfferListView = (ListView) findViewById(R.id.offer_listview);
		database = new Database(getApplicationContext());   //get database instance 
	}

	public void UpdataListView() {
		List<OfferItem> list = new ArrayList<OfferItem>();	//list for items for listView
	
		ArrayList<HashMap<String, String>> OfferArrayList = database.GetOffer();	//get guest offer form databse
		
		//fill list with items from database
		for (HashMap<String, String> x : OfferArrayList) {
			list.add(new OfferItem(x.get(database.ITEM_NAME), x.get(database.ITEM_PRICE)));
		}
		
		//set custom adapter to listView
		OfferListViewAdapter OFLA=new OfferListViewAdapter(this, list);
		OfferListView.setAdapter(OFLA);
	}
	
	public void addItem(View view){
		final View dialogView = this.getLayoutInflater().inflate(R.layout.offer_add_dialog, null);
		
		AlertDialog.Builder dialogBuilder= new AlertDialog.Builder(this);
		
		dialogBuilder.setTitle("Přidat položku do nabídky");
		dialogBuilder.setView(dialogView);
		
		
		dialogBuilder.setPositiveButton("Přidat", new DialogInterface.OnClickListener() {
			@Override
			public void onClick(DialogInterface dialog, int which) {
				EditText name=(EditText) dialogView.findViewById(R.id.offer_dialog_name);
				EditText price=(EditText) dialogView.findViewById(R.id.offer_dialog_price);

				if(name.getText().toString().trim().length() > 0 && price.getText().toString().trim().length() > 0){
					database.addItemToOffer(name.getText().toString(), Integer.parseInt(price.getText().toString()), 0);
					UpdataListView();
					Toast.makeText(getApplicationContext(), "Položka přidána", Toast.LENGTH_LONG).show();
				}
				else
					Toast.makeText(getApplicationContext(), "Položka nebyla přidána!", Toast.LENGTH_LONG).show();

			}
		});
		
		dialogBuilder.setNegativeButton("Zrušit", new DialogInterface.OnClickListener() {
	           @Override
	           public void onClick(DialogInterface dialog, int which) {
	               Toast.makeText(getApplicationContext(), "Položka nebyla přidána!", Toast.LENGTH_LONG).show();   	
	           }
	    });
		
		dialogBuilder.show();
	}

}
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