Android Menu Item Title not displaying

问题

I've been fiddling with android, and I've been following the menu sample, and it runs almost fine, but the "title" field of the menu items isn't displaying.

I think it's related to this question: https://stackoverflow.com/questions/3286093/android-menu-item-not-showing-text but I'm not sure what his answer means.

Anyway, it properly gets that I have 2 menu items, it just isn't displaying the text. I'm not quite sure where the error is and figured extra sets of eyes would be good.

XML:

<?xml version="1.0" encoding="UTF-8"?>
<menu xmlns:android="https://schemas.android.com/apk/res/android">
 <item android:id="@+id/options"
  android:title="@string/main_options" />
 <item android:id="@+id/options2"
  android:title="@string/main_options2" />
</menu>

Inflator:

@Override
    public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater inflater = getMenuInflater();
        inflater.inflate(R.menu.main_menu, menu);
        return true;
    }

If anything else is needed, let me know.

edit: string file:

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <string name="hello">Hello World!</string>
    <string name="app_name">LifeInColor</string>
 <string name="main_options">Options</string>
 <string name="main_options2">Something goes here</string>
</resources>

changing the xml to:

 <?xml version="1.0" encoding="UTF-8"?>
    <menu xmlns:android="https://schemas.android.com/apk/res/android">
     <item android:id="@+id/options"
      android:title="@string/main_options" />
     <item android:id="@+id/options2"
      android:title="Something goes here" />
    </menu>

gets the same result. I have a picture, but it won't let me post it because I'm new.

回答1:

In your menu file replace https://schemas.android.com/apk/res/android with http://schemas.android.com/apk/res/android (https -> http). So it looks like the error was due to incorrect schema address.

回答2:

Maybe the icon is too large. If you use an icon of more than 48x48 on an hdpi screen, the user will either see no title or see a truncated title.

See http://developer.android.com/guide/practices/ui_guidelines/icon_design_menu.html#size9

回答3:

I had to specify an icon with android:icon="@null"to each item, then the title was shown. This works if using Toolbar.

回答4:

Directly we can add menu items like this , it working fine for me

       @Override
        public boolean onCreateOptionsMenu(Menu menu) 
           {
        // TODO Auto-generated method stub
             super.onCreateOptionsMenu(menu);
             MenuItem item1=menu.add(0, 4, 0,"text1");
            item1.setIcon(R.drawable.car);
            MenuItem item2=menu.add(0, 0, 0, "text2");
             item2.setIcon(R.drawable.share);
            MenuItem item3=menu.add(0, 2, 0, "text3");
           item3.setIcon(R.drawable.history);
           MenuItem item4=menu.add(0, 3, 0, "text4");
           item4.setIcon(R.drawable.settings);
    return true;
}

来源：https://stackoverflow.com/questions/3764061/android-menu-item-title-not-displaying

标签

android

title