我想在菜单中的项目中添加图片。我在互联网上找到了很多解决方案,但似乎都没有。
public boolean onCreateOptionsMenu(Menu menu) {
menu.add(0,0,0,"pic 1");
menu.getItem(0).setIcon(R.mipmap.pic1);
(没有任何反应)
此外,我正在尝试使用上下文操作模式创建菜单,如下所示:
> private ActionMode.Callback callback = new ActionMode.Callback() {
@Override
public boolean onCreateActionMode(ActionMode mode, Menu menu) {
getMenuInflater().inflate(R.menu.action_mode_context_menu_layout,menu);
return false;
}
@Override
public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
return false;
}
@Override
public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
switch (item.getItemId())
{
case R.id.left:
TV2.setText("Selected: Left");
TV2.setGravity(Gravity.LEFT);
break;
case R.id.right:
TV2.setText("Selected: Right");
TV2.setGravity(Gravity.RIGHT);
break;
case R.id.middle:
TV2.setText("Selected: Middle");
TV2.setGravity(Gravity.CENTER);
break;
}
return false;
}
@Override
public void onDestroyActionMode(ActionMode mode) {
}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_2);
TV2 = (TextView)findViewById(R.id.textView2);
TV2.setOnLongClickListener(new View.OnLongClickListener()
{
@Override
public boolean onLongClick(View v) {
ActionMode mode = ((Activity)v.getContext()).startActionMode(callback);
return true;
}
});
}
我也尝试过这样:
ActionMode mode = ((AppCompatActivity)v.getContext()).startSupportActionMode(callback);
并且两种情况都没有发生
答案 0 :(得分:0)
您是否只想将图标添加到导航视图?
您只需使用图标标记
即可 <item
android:id="@+id/nav_clubs"
android:icon="@drawable/ic_menu_clubs"
android:title="cool"/>
并将其添加到抽屉中:
app:menu="@menu/your_group_of_item"