I am working on app and i have issue when i click on menu button favorite list open but i want access that from main activity is that possible like this in image:
if you want to move from list to item details you can pass your data in the adapter for RecyclerView .
#Override
public void onBindViewHolder(ListAdapter.MyViewHolder holder, final int position) {
holder.itemView.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
Intent intent = new Intent(context, FavoriteActivity.class);
Bundle bundle = new Bundle();
bundle.putString("yourdata", yourdata);
intent.putExtras(bundle);
context.startActivity(intent);
}
});
}
if you use ListView you can try
your_listview.setOnItemClickListener { parent, view, position, id ->
Intent intent = new Intent(context, FavoriteActivity.class);
Bundle bundle = new Bundle();
bundle.putString("yourdata", yourdata);
intent.putExtras(bundle);
context.startActivity(intent);
}
in FavoritActivity you can set this data by :
String data= getIntent().getExtras().getString("yourdata");
i hope i understood right .
Add to your list item model one more variable and use it.
For example:
boolean isFavorite;
When you create constructor all items false, when you click star to list, make your item's flag to true.
this code i use to open favt activity but this is use for same activity with menu button but i want to open favt fragment from main activity.
#Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.menu_favorites:
favListFragment = new FavoriteListFragment();
switchContent(favListFragment, FavoriteListFragment.ARG_ITEM_ID);
return true;
}
return super.onOptionsItemSelected(item);
}
public void switchContent(Fragment fragment, String tag) {
FragmentManager fragmentManager = getSupportFragmentManager();
while (fragmentManager.popBackStackImmediate());
if (fragment != null) {
FragmentTransaction transaction = fragmentManager
.beginTransaction();
transaction.replace(R.id.content_frame, fragment, tag);
//Only FavoriteListFragment is added to the back stack.
if (!(fragment instanceof ProductListFragment)) {
transaction.addToBackStack(tag);
}
transaction.commit();
contentFragment = fragment;
}
}
Related
I want to refresh the content of the fragment when a user clicks the refresher icon which is in menu action bar.
My application has three fragments on one activity with view pager; I tried to refresh all of them by calling them in onOptionsItemSelected() and I performed transactions to them, the application crashes when a user clicks refresh menu.
I read this question, it is likely similar to mine, but I couldn't find an appropriate answer to settle my problem: android: menu item click event from fragment I read this article too: but nothing helped me: https://developer.android.com/guide/topics/ui/menus maybe I am not doing it in a right way.
My code of refreshing all three fragments in the activity are here below:
#Override
public boolean onOptionsItemSelected(MenuItem item){
Fragment sentMsg=getSupportFragmentManager().findFragmentByTag("fragmentSentMsg");
Fragment receivedMsg=getSupportFragmentManager().findFragmentByTag("fragmentReceivedMsg");
Fragment allMsg=getSupportFragmentManager().findFragmentByTag("fragmentAllMsg");
FragmentTransaction fragmentTransaction=getSupportFragmentManager().beginTransaction();
switch (item.getItemId()){
case R.id.refresher_id:
fragmentTransaction.detach(sentMsg).attach(sentMsg).commit();
fragmentTransaction.detach(receivedMsg).attach(receivedMsg).commit();
fragmentTransaction.detach(allMsg).attach(allMsg).commit();
break;
}
return super.onOptionsItemSelected(item);
}
These are the code of a one fragment:
public class Page2_sent_msg extends Fragment {
//default constructor
public Page2_sent_msg(){}
#SuppressLint("ResourceType")
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,Bundle savedInstanceState){
final View Page2_sent_msg=inflater.inflate(R.layout.page2_sent_msg,container,false);
ListView sentMsgListView=(ListView)Page2_sent_msg.findViewById(R.id.sentMsgListview);
ArrayList<String> sentMsgArrayList=new ArrayList<String>();
SQLite_database_helper_class myDb=new SQLite_database_helper_class(getContext());
Cursor result=myDb.getting_sms_from_db();
if (result.moveToFirst()){
do {
if (!result.getString(3).equals("Sent message")){
continue;
}else{
sentMsgArrayList.add("SMS No : "+result.getString(0)+"\n"
+"Address : "+result.getString(1)+"\n"
+"Date : "+result.getString(2)+"\n"
+"Type : "+result.getString(3)+"\n"
+"Content : "+"\n________\n\n"+result.getString(4)+"\n");
}
}while (result.moveToNext());
}
ArrayAdapter<String>sentMsgAdapter=new ArrayAdapter<>(getContext(),android.R.layout.simple_list_item_1,sentMsgArrayList);
sentMsgListView.setAdapter(sentMsgAdapter);
sentMsgListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
#Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
//this is what will happen when a user clicks one item from the lis view
}
});
Page2_sent_msg.setTag("sentMsg");
return Page2_sent_msg;
}
I do really need a help. Kind regards!
Just write the fragment transaction in onclick of refresh button
fragment = new HomeFragment();
onFrangmentChange(fragment, true, false);
onFrangmentChange function will be like this
private void onFrangmentChange(BaseFragment fragment, boolean replace,
boolean addBackstack) {
this.fragment = fragment;
fm = getFragmentManager();
ft = fm.beginTransaction();
if (replace) {
ft.replace(R.id.fragment, fragment);
} else {
ft.add(R.id.fragment, fragment);
}
if (addBackstack) {
ft.addToBackStack(fragment.getClass().getSimpleName());
}
ft.commit();
}
Note:BaseFragment is nothing but A fragment which extend Fragment.You can write the common functions like checking network connection,email validation etc.in this fragment.
Add a method refresh in your fragment like this
public void refreshFragment() {
sentMsgArrayList.clear();
sentMsgAdapter.notifyDataSetChanged();
SQLite_database_helper_class myDb=new SQLite_database_helper_class(getContext());
Cursor result=myDb.getting_sms_from_db();
if (result.moveToFirst()){
do {
if (!result.getString(3).equals("Sent message")){
continue;
}else{
sentMsgArrayList.add("SMS No : "+result.getString(0)+"\n"
+"Address : "+result.getString(1)+"\n"
+"Date : "+result.getString(2)+"\n"
+"Type : "+result.getString(3)+"\n"
+"Content : "+"\n________\n\n"+result.getString(4)+"\n");
}
}while (result.moveToNext());
sentMsgAdapter.notifyDataSetChanged
}
Then called it once the user taps on refresh
#Override
public boolean onOptionsItemSelected(MenuItem item){
Fragment sentMsg=getSupportFragmentManager().findFragmentByTag("fragmentSentMsg");
Fragment receivedMsg=getSupportFragmentManager().findFragmentByTag("fragmentReceivedMsg");
Fragment allMsg=getSupportFragmentManager().findFragmentByTag("fragmentAllMsg");
switch (item.getItemId()){
case R.id.refresher_id:
sentMsg.refreshFragment();
receivedMsg.refreshFragment();
allMsg.refreshFragment();
break;
}
return super.onOptionsItemSelected(item);
}
I am trying to use backpress on fragments. I am not able to fix it. Here is my code below.
/**
* Diplaying fragment view for selected nav drawer list item
* */
private void displayView(int position) {
// update the main content by replacing fragments
Fragment fragment = null;
if (position!=3){
pos = position;
}
switch (position) {
case 0:
fragment = new Profile();
break;
case 1:
fragment = new Products();
break;
case 2:
fragment = new Help();
break;
case 3:
DialogLogout(DrawerFragment.this, getString(R.string.logout), getString(R.string.cofirm_logout));
break;
default:
break;
}
if (fragment != null) {
FragmentManager fragmentManager = getSupportFragmentManager();
fragmentManager.beginTransaction()
.replace(R.id.frame_container, fragment)
.commit();
// update selected item and title, then close the drawer
mDrawerList.setItemChecked(pos, true);
mDrawerList.setSelection(pos);
setTitle(navMenuTitles[pos]);
mDrawerLayout.closeDrawer(mDrawerList);
} else {
// error in creating fragment
Log.e("MainActivity", "Error in creating fragment");
}
}
On Product Fragment I have list in which I again use to call another fragment.
listCards.setOnItemClickListener(new AdapterView.OnItemClickListener() {
#Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
Fragment fragment = new Transactions();
if (fragment != null) {
FragmentManager fragmentManager = getFragmentManager();
fragmentManager.beginTransaction()
// .replace(R.id.frame_container, fragment)
.remove(Products.this)
.add(R.id.frame_container, fragment) //replace(R.id.frame_container, fragment)
.addToBackStack(null)
.commit();
} else {
// error in creating fragment
Log.e("MainActivity", "Error in creating fragment");
}
}
});
return rootView;
}
BackPress functionality on DrawerFragmentActivity is like below:
#Override
public void onBackPressed() {
FragmentManager fragmentManager = getSupportFragmentManager();
int count = fragmentManager.getBackStackEntryCount();
if (count > 0) {
fragmentManager.popBackStack(null, FragmentManager.POP_BACK_STACK_INCLUSIVE);
} else {
super.onBackPressed();
}
}
Functionality would be like, DrawerFragmentActivity(Profile page by default)->Product->Transactions. Drawer Icon would be visible on Transactions screen as well, user can click my cards screen again while on transaction screen using drawer.
When user click on product it will again open transactions page, It's working fine. Now what happening is, when we click back on transaction it is coming on Product page, but When I again click on Product list screen(Frame) is overlapping with ProductsList and Transactions screen.
I am sorry if I it's confusing, Please ask if you don't understand. I can explain.
Thanks.
Fragment back press working code
public class ChiefFragment extends Fragment {
View view;
// public OnBackPressedListener onBackPressedListener;
#Override
public View onCreateView(LayoutInflater inflater,
ViewGroup container, Bundle args) {
view = inflater.inflate(R.layout.activity_chief, container, false);
getActivity().getActionBar().hide();
view.setFocusableInTouchMode(true);
view.requestFocus();
view.setOnKeyListener(new View.OnKeyListener() {
#Override
public boolean onKey(View v, int keyCode, KeyEvent event) {
Log.i(getTag(), "keyCode: " + keyCode);
if (keyCode == KeyEvent.KEYCODE_BACK) {
getActivity().getActionBar().show();
Log.i(getTag(), "onKey Back listener is working!!!");
getFragmentManager().popBackStack(null, FragmentManager.POP_BACK_STACK_INCLUSIVE);
// String cameback="CameBack";
Intent i = new Intent(getActivity(), home.class);
// i.putExtra("Comingback", cameback);
startActivity(i);
return true;
} else {
return false;
}
}
});
return view;
}
}
Use below code for back pressed in fragment.
public class DashBoard extends Fragment {
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.dashboard, container, false);
rootView.setFocusableInTouchMode(true);
rootView.requestFocus();
rootView.setOnKeyListener(new View.OnKeyListener(){
#Override
public boolean onKey(View v, int keyCode, KeyEvent event){
if (keyCode == KeyEvent.KEYCODE_BACK) {
getActivity().finish(); }
return true;
}
return false;
}
});
}
this code help you to implement your backpreesed in fragment.
I would recommend you to implement an interface to manage backstack. Here is a good blog post which would help you understand this process
I have to move Detailfragment to GridActivity.Workflow for activity
is GridActivity ->HomeActivity->DetailFragment.
In GridActvity I am using an image button.On Click the image button I
had set the position to move HomeActivity onArticlelistener.
With this listener I can move to fragment using position.
GridActivity1.java:
int position;
........
........
#Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.btn_tour:
Intent i1=new Intent(GridActivity1.this,MainActivity.class);
i1.putExtra("tour",2);
i1.putExtra("position", position);
startActivity(i1);
break;
}
}
MainActivity.java:
public class MainActivity extends ActionBarActivity implements OnTabChangeListener,ArticleSelectedListener {
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.app_main_tab_fragment_layout);
posGrid= getIntent().getExtras().getInt("position");
switch(posGrid){
case 0:
int posTour = getIntent().getIntExtra("tour", 0);
articleSelected(posTour, "Tour Guide");
break;
}
}
#Override
public void onArticleSelected(int position, String content)
{
articleSelected(position, content);
}
public void articleSelected(int position, String content)
{
if(position==2)
{
action_bar_hometext.setText(content);
FragmentManager manager = getFragmentManager();
FragmentTransaction ft = manager.beginTransaction();
DetailFragment newFragment = new DetailFragment();
ft.replace(R.id.realtabcontent, newFragment);
ft.addToBackStack(null);
ft.commit();
}
}
DetailFragment.java:
public class TourGuideFirstFragment extends BaseFragment implements
OnItemClickListener {
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
final View view = inflater.inflate(R.layout.fragment_tour_guide, container,
false);
return view;
}
}
I don't need action bar back button.Because I am using navigation
drawer in fragments.
My issue is,when I click the hardware back button in DetailFragment I
need to move directly to GridActivity.Now it is moving to HomeActivity then it back to GridActivity.
You are adding a FragmentTransaction to the backstack, so in order to get rid of this you just have to remove the line from MainActivity
ft.addToBackStack(null);
After that it should work as you want it to work
public class MyActivity extends Activity implements ButtonFragement.OnFragmentInteractionListener, TextFragment.OnFragmentInteractionListener,Communicator {
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_my);
ButtonFragement btnfrg=new ButtonFragement();
TextFragment txtfrg= new TextFragment();
FragmentManager fm=getFragmentManager();
FragmentTransaction ft=fm.beginTransaction();
ft.add(R.id.my_activity,btnfrg,"Fragment");
ft.add(R.id.my_activity,txtfrg,"Second Fragment");
ft.commit();
}
#Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.my, menu);
return true;
}
#Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
#Override
public void onFragmentInteraction(Uri uri) {
}
#Override
public void respond(String data) {
FragmentManager fm=getFragmentManager();
TextFragment f1= (TextFragment) fm.findFragmentById(R.id.textfrg);
f1.changeText(data);
}
}
This is my main_Activity code, here i am trying to send a data over the fragment but it gives me error at f1.changeText(data).Basic structure of my project is , on main Activity , i created two fragment. One with button and another with text. I want to show how many times the button was clicked on second fragment using a communicator interface. Here in "data" counter shows a how many times button was clicked but i am not able to transfer it over second fragment.
Complete Code for the Program---
public interface Communicator {
public void respond(String data);
}
In TextFragment class i added this method----
public void changeText(String data)
{
txt.setText(data);
}
In ButtonFragment class i added and modified following method
public class ButtonFragement extends Fragment implements View.OnClickListener{
int counter=0;
private OnFragmentInteractionListener mListener;
Button btn;
Communicator comm;
#Override
public void onActivityCreated(Bundle savedInstanceState)
{
super.onActivityCreated(savedInstanceState);
comm= (Communicator) getActivity();
btn= (Button) getActivity().findViewById(R.id.button);
btn.setOnClickListener(this);
}
#Override
public void onClick(View view) {
counter++;
// comm.respond("The button was clicked "+counter+" times");
comm.respond("hi");
}
Here, i just added which i added in my program. My program get crash at...MainActiviy f1.changeText(data);
But why i am not getting it.Can anyone Help me fixed this bug?
Bundle bundle = new Bundle();
bundle.putString("key", value);
// set Fragmentclass Arguments
YourFragment ff= new YourFragment ();
ff.setArguments(bundle);
transaction.add(R.id.my_activity, ff);
Using Bundle
From Activity:
Bundle bundle = new Bundle();
bundle.putString("message", "Hello!");
FragmentClass fragInfo = new FragmentClass();
fragInfo.setArguments(bundle);
transaction.replace(R.id.fragment_single, fragInfo);
transaction.commit();
Fragment:
Reading the value in the fragment
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
{
String myValue = this.getArguments().getString("message");
...
...
}
You have no fragment with id R.id.textfrg.
You are for some reason adding two fragments with id R.id.my_activity. One with tag "Fragment" and another with tag "Second Fragment".
So you are getting error.
Your idea is rigth.
This may be helpfull
TextFragment f1= (TextFragment) fm.findFragmentByTag("Second Fragment");
DO this way:
On Activity Side.
Fragment fragment = new GridTemplate();
Bundle bundle = new Bundle();
bundle.putInt("index",your value);
fragment.setArguments(bundle);
FragmentManager fragmentManager = getFragmentManager();
fragmentManager.beginTransaction()
.replace(R.id.frame_container, fragment).commit();
here R.id.frame_container is a frame Layout or Relative Layout In which you have to add the fragment.
On Fragment Side.
int index = getArguments().getInt("index");
hope this wil solve your problem. Thanks
I'm working on an application where in layout layout-small-portrait I want to launch different fragments contained in a single "container activity", named SingleActivity. I will handle this differnetly in layouts layout-land, layout-large etc. but that is unrelated to my problem.
I have an activity MainActivity which is, as the name indicates, the main activity (launcher) of my application. This will initially contain a ListFragment with different items for the user to press.
Based on the item that the user presses the SingleActivity will launch and its content will correspond to a specific Fragment related to this item. My problem starts here. When the user presses an item I have a reference to the corresponding fragment I want to be displayed in SingleFragment. Illustrated below:
String tag = myFragmentReference.getTag();
Intent i = new Intent(this, SingleActivity.class);
i.putExtra(SingleActivity.CONST_TAG, tag);
startActivity(i);
The activity launches successfully. In SingleActivity I have the following onCreate() method:
...
// Retrieve the fragment tag from the intent
String tag = getIntent().getStringExtra(CONST_TAG);
Fragment fragment = getSupportFragmentManager().findFragmentByTag(tag);
if(fragment == null) {
// always end up here, this is my problem.
}
FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
ft.add(R.id.fragmentContainer, fragment);
ft.commit();
...
I suspect that the fact that fragment is always null is because the fragment has not been inflated yet. If I am right what I need to do is define a fragment's tag before it is inflated, so that it can be found by findFragmentByTag(). Is that possible?
If anything is unclear please let me know.
I look forward to hearing some good ideas! If there are better or more clever ways to implement this I would love to hear your thoughts! Thanks :)
Since you are jumping to another activity, it will have its own Fragment BackStack and that fragment will not exist.
You will have to inflate the fragment in the new activity something along these lines:
String tag = intent.getStringExtra(CONST_TAG);
if (getSupportFragmentManager().findFragmentByTag(tag) == null) {
Fragment fragment = Fragment.instantiate(this, tag, extras);
FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
ft.add(R.id.fragmentContainer, fragment, tag);
ft.commit();
}
The tag string will need to have the package location of the fragment such as "com.android.myprojectname.myfragment"
First use SlidingMenu library: https://github.com/jfeinstein10/SlidingMenu
This will help you, and your app will be more cool, that´s the only way that I can help you make what you need so, here is the code:
Here is your MainActivity:
I´ll try to explain this sample code and you use for your need.
This is the ListFragment of your BehindContent (SlidingMenu):
public class ColorMenuFragment extends ListFragment {
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
return inflater.inflate(R.layout.list, null);
}
#Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
String[] colors = getResources().getStringArray(R.array.color_names);
ArrayAdapter<String> colorAdapter = new ArrayAdapter<String>(getActivity(),
android.R.layout.simple_list_item_1, android.R.id.text1, colors);
setListAdapter(colorAdapter);
//This array is only to fill SlidingMenu with a Simple String Color.
//I used MergeAdapter from Commonsware to create a very nice SlidingMenu.
}
#Override
public void onListItemClick(ListView lv, View v, int position, long id) {
//This switch case is a listener to select wish item user have been selected, so it Call
//ColorFragment, you can change to Task1Fragment, Task2Fragment, Task3Fragment.
Fragment newContent = null;
switch (position) {
case 0:
newContent = new ColorFragment(R.color.red);
break;
case 1:
newContent = new ColorFragment(R.color.green);
break;
case 2:
newContent = new ColorFragment(R.color.blue);
break;
case 3:
newContent = new ColorFragment(android.R.color.white);
break;
case 4:
newContent = new ColorFragment(android.R.color.black);
break;
}
if (newContent != null)
switchFragment(newContent);
}
// the meat of switching the above fragment
private void switchFragment(Fragment fragment) {
if (getActivity() == null)
return;
if (getActivity() instanceof FragmentChangeActivity) {
FragmentChangeActivity fca = (FragmentChangeActivity) getActivity();
fca.switchContent(fragment);
} else if (getActivity() instanceof ResponsiveUIActivity) {
ResponsiveUIActivity ra = (ResponsiveUIActivity) getActivity();
ra.switchContent(fragment);
}
}
}
Here is your BaseActivity Class:
It dont have swipe, as I could understand, you don't need this.
public class FragmentChangeActivity extends BaseActivity {
private Fragment mContent;
public FragmentChangeActivity() {
super(R.string.changing_fragments);
}
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// set the Above View
if (savedInstanceState != null)
mContent = getSupportFragmentManager().getFragment(savedInstanceState, "mContent");
if (mContent == null)
mContent = new ColorFragment(R.color.red);
// set the Above View
//This will be the first AboveView
setContentView(R.layout.content_frame);
getSupportFragmentManager()
.beginTransaction()
.replace(R.id.content_frame, mContent)
.commit();
// set the Behind View
//This is the SlidingMenu
setBehindContentView(R.layout.menu_frame);
getSupportFragmentManager()
.beginTransaction()
.replace(R.id.menu_frame, new ColorMenuFragment())
.commit();
// customize the SlidingMenu
//This is opcional
getSlidingMenu().setTouchModeAbove(SlidingMenu.TOUCHMODE_FULLSCREEN);
}
#Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
getSupportFragmentManager().putFragment(outState, "mContent", mContent);
}
public void switchContent(Fragment fragment) {
// the meat of switching fragment
mContent = fragment;
getSupportFragmentManager()
.beginTransaction()
.replace(R.id.content_frame, fragment)
.commit();
getSlidingMenu().showContent();
}
}
Ok, So If you want to change the ColorFragment to anything else, do this:
First, choice the item that you want to use:
case 0:
newContent = new ColorFragment(R.color.red);
break;
to:
case 0:
newContent = new ArrayListFragment();
break;
I have made just a arraylist, it is just a simple example, you can do a lot of thing, then you can read about Fragment to learn how to do different things.
public class ArrayListFragment extends ListFragment {
#Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
setListAdapter(new ArrayAdapter<String>(getActivity(),
android.R.layout.simple_list_item_1, Listnames.TITLES));
//Listnames is a class with String[] TITLES;
}
#Override
public void onListItemClick(ListView l, View v, int position, long id) {
Log.i("FragmentList2", "Item clicked: " + id);
String item = (String) getListAdapter().getItem(position);
Toast.makeText(getActivity(), item, Toast.LENGTH_LONG).show();
}
}
As you see, it can display a different fragment based on which item in the ListFragment (MainActivity) the user presses.
Well, if you misunderstood something, just tell me.