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我需要一些幫助,我得到了一個ActionBar,如果你按下一個按鈕顯示一個左側菜單,但我提出了一個條件來設置何時出現這個菜單,但我不知道如何顯示只有按鈕和不要做nothig final String checkCuenta = cuenta.ContieneCuenta;Action Bar whitout enable
final ActionBar ab = getSupportActionBar();
ab.setHomeAsUpIndicator(R.drawable.ic_menu);
ab.setDisplayHomeAsUpEnabled(true);
this.title = drawerTitle = getTitle();
this.drawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
if(navigationView != null) {
if (checkCuenta.toString() == "Si") {
navigationView.setNavigationItemSelectedListener(
new NavigationView.OnNavigationItemSelectedListener() {
@Override
public boolean onNavigationItemSelected(MenuItem menuItem) {
menuItem.setChecked(true);
drawerLayout.closeDrawer(GravityCompat.START);
selectItem(menuItem.getItemId());
return true;
}
});
} else {
}
}