I tried to create a menu with search and refresh button, but since refresh button will only be available at several activities, I want to set the visibility to false, and then add this:
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.mainmenu, menu);
MenuItem item = menu.findItem(R.id.action_refresh);
item.setVisible(true);
return true;
}
to the activity java
Using the below code, the menu is displayed properly, with refresh on the left and search on the right
<item
android:id="#+id/action_search"
android:title="Search"
android:menuCategory="system"
android:orderInCategory="2"
android:showAsAction="always"
android:icon="#drawable/ic_action_search"/>
<item
android:id="#+id/action_refresh"
android:title="Refresh"
android:menuCategory="system"
android:orderInCategory="1"
android:showAsAction="always"
android:icon="#drawable/ic_action_refresh"
android:visible="false"/>
But by reversing the item order,
<item
android:id="#+id/action_refresh"
android:title="Refresh"
android:menuCategory="system"
android:orderInCategory="1"
android:showAsAction="always"
android:icon="#drawable/ic_action_refresh"
android:visible="false"/>
<item
android:id="#+id/action_search"
android:title="Search"
android:menuCategory="system"
android:orderInCategory="2"
android:showAsAction="always"
android:icon="#drawable/ic_action_search"/>
the refresh button/item will not appear.
While I have found the workaround and could proceed, this still puzzles me very much, and I haven't got any good explanation.
Why would that happen?
Are you using Eclipse?
I have seen a bug in Eclipse where simply changing the order of elements in an XML resource file would not recompile the file causing all kinds of weird things to happen.
I suggest you do a "Project > Clean" to make sure the resource identifiers get recreated from scratch.
Related
I am trying to check a default item in a menu group. I am not changing anything in the menu using code.
The menu is as follows:
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto">
<item android:title="Map type">
<menu>
<group
android:checkableBehavior="single"
>
<item
android:id="#+id/nav_map_type_normal"
android:title="Normal"
android:checked="true"
/>
<item
android:id="#+id/nav_map_type_satellite"
android:title="Satellite"
/>
<item
android:id="#+id/nav_map_type_terrain"
android:title="Terrain"
/>
<item
android:id="#+id/nav_map_type_hybrid"
android:title="Hybrid"
/>
</group>
</menu>
</item>
<item
android:id="#+id/nav_toggle_traffic"
android:title="Toggle traffic"
/>
<item
android:id="#+id/nav_settings"
android:icon="#drawable/ic_settings"
android:title="#string/action_settings"
android:orderInCategory="100"
/>
</menu>
When the menu is first displayed, the first item (Normal) is highlighted to indicate it is checked. This is what I want to happen. I then want the highlighting to move through the group as each item is pressed.
The problem is:
If I press Satellite, BOTH Normal and Satellite are highlighted
If I then press Hybrid, Normal remains highlighted, Hybrid is
highlighted and Satellite reverts to its unchecked state.
Only after actually pressing Normal does its checked state behave as it should.
I have tried removing the android:checked="true" and using performIdentifierAction in code, but this did not change the checked state.
Since you are making NORMAL as default TRUE, you need explicitly SET it to false as and when Satellite, Hybrid or Terrain is selected.
I believe currently, you would be setting NORMAL as android:checked=false on the onclickmenu selection code of nav_map_type_normal. i.e you are basically
un-checking it as by default it is selected as TRUE. Please do the same when other options are selected.
Sorry, I forgot to mention that the menu is used in a NavigationView and as it it turns out that changes everything.
navigationView.setCheckedItem(R.id.nav_map_type_normal);
performs exactly the way I want. I found it in a comment here Navigation drawer: How do I set the selected item at startup?
So this is what I have for my find_in_page.xml
<item android:id="#+id/find_text"
android:title="#string/find_text"
android:icon="#drawable/ab_search"
android:showAsAction="ifRoom|collapseActionView"
android:actionViewClass="android.support.v7.widget.SearchView" />
<item android:id="#+id/find_next"
android:icon="#drawable/validation_arrow_inverted"
android:showAsAction="always"
android:title="#string/find_next"/>
<item android:id="#+id/find_prev"
android:icon="#drawable/validation_arrow"
android:showAsAction="always"
android:title="#string/find_prev" />
And my code:
public boolean onCreateActionMode(ActionModeCompat mode, Menu menu) {
mMenuInflater.inflate(R.menu.find_in_page_menu, menu)
}
Where mMenuInflater is an instance of android's menu inflater.
So the validation arrows come up fine but the searchview shows up in overflow menu and when I press it, it does not inflate.
How do I get the ab_search icon (its just a renamed magnifying glass icon) to show up in the menu and then expand to the text selection field?
Expand the SearchView with
searchView.setIconified(false);
and collapse it with
searchView.setIconified(true);
Here's what I have in my code:
#Override
public boolean onCreateOptionsMenu(Menu menu){
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.menu, menu);
if (MainActivity.fifty){
menu.findItem(R.drawable.fifty).setIcon(R.drawable.fiftyf);
}
return super.onCreateOptionsMenu(menu);
}
Now the thing is that when I delete if statement, then it works fine, but icon is not getting changed on the next activity.
Here's my xml file for menu:
<menu xmlns:android="http://schemas.android.com/apk/res/android" >
<item
android:id="#+id/aud"
android:icon="#drawable/aud"
android:orderInCategory="1"
android:showAsAction="always"
android:title="Audience's Help"/>
<item
android:id="#+id/fifty"
android:icon="#drawable/fifty"
android:orderInCategory="2"
android:showAsAction="always"
android:title="50:50"/>
<item
android:id="#+id/friend"
android:icon="#drawable/friendhelp"
android:orderInCategory="2"
android:showAsAction="always"
android:title="Friend's Help"/>
As you can see, I just started to create icon changes. The idea is that the button is 50:50 for the game called "Who wants to be a millionaire". Now in the next activity, I am trying to set R.drawable.fiftyf, which is a disabled 50:50 icon, because when user uses it, it should not be available anymore.
When I tried to add it in menu.xml, then new icon was just added, which I don't need. Please also note, that icon gets changed according to my method, but app crashes when it goes to next activity.
Thanks all.
Please let me know if additional info required.
This is wrong:
menu.findItem(R.drawable.fifty).setIcon(R.drawable.fiftyf);
Should be something like this:
menu.findItem(R.id.fifty).setIcon(R.drawable.fiftyf);
I am following the tutorial on the developer website to implement an action menu bar, and I cant seem to get the icon to be drawn. http://developer.android.com/training/basics/actionbar/adding-buttons.html
Here is what I have so far...
res/menu/main_activity_actions
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android" >
<!-- Search, should appear as action button -->
<item android:id="#+id/action_search"
android:icon="#drawable/ic_action_search"
android:title="#string/action_search"
android:showAsAction="ifRoom" />
<!-- Settings, should always be in the overflow -->
<item android:id="#+id/action_settings"
android:title="#string/action_settings"
android:showAsAction="never" />
</menu>
Then I added that menu to the main activity
#Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu items for use in the action bar
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.main_activity_actions, menu);
return super.onCreateOptionsMenu(menu);
}
I am pretty sure the icon can be found because I added it in all res/drawable-* folders
Then when I run the virtual device this is what I get
As you can see, the 2 menu items are there, but search has no icon like it does in the tutorial. Heres what it's supposedly supposed to look like
I have been going through the tutorials as well, and ran into the same difficulty. Here is what I found.
I spent a few hours trying the various technical solutions given for the problem. None of them made sense given my context. I tried a few things that seemed to suggest themselves to no avail. Then I found another possible solution, and although quite a bit simpler, perhaps harder to debug.
Make sure that the icons you provide are from the action bar icons in the path: holo_dark -> 01_core_search.
The holo_light icons were the same color as the background of my device and so appeared as if not present. Press on the screen in that area, and the icon does appear because the background color changes with selection of the menu item.
Hope this helps.
I've been trying to follow the official Android development tutorial for a couple of days but I've noticed there's a few discrepancies between the two available IDEs, Eclipse with the ADT plugin and Android Studio. I heard nice things about the latter so that's the one I'm using, but there seems to be differences in the way the files are laid out when you first create a new project. I've mostly been able to solve stuff here and there so it works just like on Eclipse (the IDE used on the tutorial) but I can't figure out why my Action Buttons aren't showing up in the ActionBar. Here's the tutorial for reference.
So, this is what my res/menu/main.xml file looks like:
<menu xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
tools:context="com.example.myapplicationn.app.MainActivity" >
<item android:id="#+id/action_search"
android:icon="#drawable/ic_action_search"
android:title="#string/action_search"
app:showAsAction="ifRoom" />
<item android:id="#+id/action_settings"
android:title="#string/action_settings"
android:orderInCategory="100"
app:showAsAction="never" />
</menu>
All I did was replace action_settings and copy action_search directly from the tutorial's sample code. There's a subtle (maybe not that subtle) difference here between AS and the tutorial: the tutorial's file is supposed to be res/menu/main_activity_actions.xml but its AS equivalent seems to be the default file res/menu/main.xml, so I went with that. Also, the tutorial sample only has the first attribute (xmlns:android="http://schemas.android.com/apk/res/android"), but the file created by AS had those additional ones so I left them untouched. Then, I modified the onCreateOptionsMenu method with this:
#Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu items for use in the action bar
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.main, menu);
return super.onCreateOptionsMenu(menu);
}
Once again, the original code used R.menu.main_activity_actions, so I changed it to R.menu.main. The project compiles nicely and MainActivity shows up in my phone after a few seconds, but action_search is still hidden under the action overflow (isn't that what it's called?) button. Am I doing something wrong? Any help is appreciated. English isn't my first language and my writing style is kind of lousy, so sorry for that.
I had the same issue recently.
The showAsAction property is in the app namespace. It is explained in the tutorial that it is used when using the compatibility library. But if you are targeting an API level high enough that shouldn't be needed.
I was able to use the android namespace and it works fine for me. So change app:showAsAction to android: showAsAction and it will show up where you want it.
try this menu.xml
<menu xmlns:android="http://schemas.android.com/apk/res/android" >
<item
android:id="#+id/action_search"
android:icon="#drawable/ic_action_search"
android:showAsAction="ifRoom"
android:title="#string/action_search"/>
<item
android:id="#+id/action_settings"
android:orderInCategory="100"
android:showAsAction="never"
android:title="#string/action_settings"/>
Make sure the activity which is creating the menu inherits from ActionBarActivity, which is the base activity class when using the support library.
Otherwise, whatever you set in app:showAsAction will not work.
I've scratched my head wondering why this didn't work for me in the past, dunno why they don't mention that in that tutorial you linked.
Hopefully this is your issue.
Bit late to the party. For those who still are having problem with this,
Try Removing this line
xmlns:app="http://schemas.android.com/apk/res-auto"
and change
app:showAsAction="always"
to
android:showAsAction="always"
IMPORTANT:
Make sure that you PNG Image is not larger than 27x27
I had the exact same problem while using Android Studio and following the official tutorial. Here is what worked for me, no idea why though.
1) I used the ic_launcher instead of the ic_action_search just to check if the search icon file itself had some issues.
<item android:id="#+id/action_search"
android:icon="#drawable/ic_launcher"
android:title="#string/action_search"
app:showAsAction="ifRoom" />
Now I could see that the launcher icon was visible.
2) Then I downloaded again the icons from the "Action Bar Icon pack" and changed the android:icon back to ic_action_search.
And now the search button is visible.
Like I said not sure why this worked.
Me too, have been following the tutorials, the link you have poosted. Same thing, the buttons just not show in the ToolBar, tried different solutions. Finally, one from Udacity is working.
Solution:
on your MainActivity, add the follwing code:
#Override
public boolean onCreateOptionsMenu(Menu menu){
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.your_menu,menu);
return true;
}
The rest is the same as the code in the official link, here, https://developer.android.com/training/appbar/actions.html#add-actions