Android actionBarDrawerToggle.setDrawerIndicatorEnabled(false)返回箭头没有操作
我使用一个导航抽屉,我想为内部片段禁用它。 我使用以下代码设置抽屉:Android actionBarDrawerToggle.setDrawerIndicatorEnabled(false)返回箭头没有操作,android,navigation-drawer,android-side-navigation,Android,Navigation Drawer,Android Side Navigation,我使用一个导航抽屉,我想为内部片段禁用它。 我使用以下代码设置抽屉: private void initSideMenu() { actionBarDrawerToggle = new ActionBarDrawerToggle(this, drawerLayout, R.string.Open, R.string.Close); drawerLayout.addDrawerListener(actionBarDrawerToggle); act
private void initSideMenu() {
actionBarDrawerToggle = new ActionBarDrawerToggle(this, drawerLayout, R.string.Open, R.string.Close);
drawerLayout.addDrawerListener(actionBarDrawerToggle);
actionBarDrawerToggle.syncState();
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
binding.nv.setNavigationItemSelectedListener(new NavigationView.OnNavigationItemSelectedListener() {
@Override
public boolean onNavigationItemSelected(@NonNull MenuItem item) {
switch (item.getItemId()) {
case R.id.menuData:
selectPersonalDataFragment();
break;
case R.id.menuBlogPosts:
closeDrawerAndNavigateTo(new BlogPostFragment(), true);
break;
case R.id.menuSettings:
closeDrawerAndNavigateTo(new BackgroundImageFragment(), true);
break;
}
return true;
}
});
}
要禁用导航抽屉,我使用以下代码:
@Override
public void setDrawerEnabled(boolean enabled) {
Log.d(TAG, "setDrawerEnabled: " + enabled);
if(enabled) {
drawerLayout.setDrawerLockMode(DrawerLayout.LOCK_MODE_UNLOCKED);
actionBarDrawerToggle.setDrawerIndicatorEnabled(true);
} else {
actionBarDrawerToggle.setDrawerIndicatorEnabled(false);
actionBarDrawerToggle.setToolbarNavigationClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
onBackPressed();
}
});
}
}
汉堡图标变为后箭头,但此箭头没有任何功能。那么,为什么我的侦听器没有侦听?经过多次尝试,我发现我不必设置工具栏导航单击侦听器,但必须覆盖支持导航的
onSupportNavigateUp()
:
已更改setDrawerEnabled():
新重写的onSupportNavigateUp():
@Override
public void setDrawerEnabled(boolean enabled) {
Log.d(TAG, "setDrawerEnabled: " + enabled);
if(enabled) {
drawerLayout.setDrawerLockMode(DrawerLayout.LOCK_MODE_UNLOCKED);
actionBarDrawerToggle.setDrawerIndicatorEnabled(true);
} else {
actionBarDrawerToggle.setDrawerIndicatorEnabled(false);
}
}
@Override
public boolean onSupportNavigateUp() {
onBackPressed();
return true;
}