Как возможно реализовывать брусок кнопок desplegable? как google map
gif представляя действие просматривать меню https://cdn.techjuice.pk / wp-content / uploads / 2017/02/g-map.gif
Если у них есть какая-то серьезная идея о большой помощи, я оставляю код xml и java бруска нижних кнопок не desplegable
Главное бруска кнопок
java
mBottomNav.setOnNavigationItemSelectedListener(new BottomNavigationView.OnNavigationItemSelectedListener() { @Override public boolean onNavigationItemSelected(@NonNull MenuItem item) { // handle desired action here // One possibility of action is to replace the contents above the nav bar // return true if you want the item to be displayed as the selected item return true; } });
XML
xml кнопки
Полный код java Меню
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
/**
* Fragment class for each nav menu item
*/
public class MenuFragment extends Fragment {
private static final String ARG_TEXT = "arg_text";
private static final String ARG_COLOR = "arg_color";
private String mText;
private int mColor;
private View mContent;
private TextView mTextView;
public static Fragment newInstance(String text, int color) {
Fragment frag = new MenuFragment();
Bundle args = new Bundle();
args.putString(ARG_TEXT, text);
args.putInt(ARG_COLOR, color);
frag.setArguments(args);
return frag;
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
return inflater.inflate(R.layout.fragment_menu, container, false);
}
@Override
public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
// retrieve text and color from bundle or savedInstanceState
if (savedInstanceState == null) {
Bundle args = getArguments();
mText = args.getString(ARG_TEXT);
mColor = args.getInt(ARG_COLOR);
} else {
mText = savedInstanceState.getString(ARG_TEXT);
mColor = savedInstanceState.getInt(ARG_COLOR);
}
// initialize views
mContent = view.findViewById(R.id.fragment_content);
mTextView = (TextView) view.findViewById(R.id.text);
// set text and background color
mTextView.setText(mText);
mContent.setBackgroundColor(mColor);
}
@Override
public void onSaveInstanceState(Bundle outState) {
outState.putString(ARG_TEXT, mText);
outState.putInt(ARG_COLOR, mColor);
super.onSaveInstanceState(outState);
}
}
java MainActivity
import android.os.Bundle;
import android.support.annotation.ColorRes;
import android.support.annotation.NonNull;
import android.support.design.widget.BottomNavigationView;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentTransaction;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
import android.view.MenuItem;
public class MainActivity extends AppCompatActivity {
private static final String SELECTED_ITEM = "arg_selected_item";
private BottomNavigationView mBottomNav;
private int mSelectedItem;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mBottomNav = (BottomNavigationView) findViewById(R.id.navigation);
mBottomNav.setOnNavigationItemSelectedListener(new BottomNavigationView.OnNavigationItemSelectedListener() {
@Override
public boolean onNavigationItemSelected(@NonNull MenuItem item) {
selectFragment(item);
return true;
}
});
MenuItem selectedItem;
if (savedInstanceState != null) {
mSelectedItem = savedInstanceState.getInt(SELECTED_ITEM, 0);
selectedItem = mBottomNav.getMenu().findItem(mSelectedItem);
} else {
selectedItem = mBottomNav.getMenu().getItem(0);
}
selectFragment(selectedItem);
}
@Override
protected void onSaveInstanceState(Bundle outState) {
outState.putInt(SELECTED_ITEM, mSelectedItem);
super.onSaveInstanceState(outState);
}
@Override
public void onBackPressed() {
MenuItem homeItem = mBottomNav.getMenu().getItem(0);
if (mSelectedItem != homeItem.getItemId()) {
// select home item
selectFragment(homeItem);
} else {
super.onBackPressed();
}
}
private void selectFragment(MenuItem item) {
Fragment frag = null;
// init corresponding fragment
switch (item.getItemId()) {
case R.id.menu_home:
frag = MenuFragment.newInstance(getString(R.string.text_home),
getColorFromRes(R.color.color_home));
break;
case R.id.menu_notifications:
frag = MenuFragment.newInstance(getString(R.string.text_notifications),
getColorFromRes(R.color.color_notifications));
break;
case R.id.menu_search:
frag = MenuFragment.newInstance(getString(R.string.text_search),
getColorFromRes(R.color.color_search));
break;
}
// update selected item
mSelectedItem = item.getItemId();
// uncheck the other items.
for (int i = 0; i< mBottomNav.getMenu().size(); i++) {
MenuItem menuItem = mBottomNav.getMenu().getItem(i);
menuItem.setChecked(menuItem.getItemId() == item.getItemId());
}
updateToolbarText(item.getTitle());
if (frag != null) {
FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
ft.add(R.id.container, frag, frag.getTag());
ft.commit();
}
}
private void updateToolbarText(CharSequence text) {
ActionBar actionBar = getSupportActionBar();
if (actionBar != null) {
actionBar.setTitle(text);
}
}
private int getColorFromRes(@ColorRes int resId) {
return ContextCompat.getColor(this, resId);
}
}
XML ACTIVITY
XML МЕНЮ
ImplementaciГіn
нижний Bottom navigation drawe - Модальный Боттом Сеет и продолжает те же правила implementaciГіn.
Детали implementaciГіn для этого поведения - следующие. Себе должен создавать файл menГє xml для Навигатион Вьев, что incluirГЎ в drawer should в домашнем животном / меню.
<?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">
<group android:checkableBehavior="none">
<item
android:id="@+id/nav1"
android:icon="@drawable/baseline_mail_white_24"
android:title="@string/nav_item1" />
<item
android:id="@+id/nav2"
android:icon="@drawable/baseline_bookmark_white_24"
android:title="@string/nav_item2" />
<item
android:id="@+id/nav3"
android:icon="@drawable/baseline_message_white_24"
android:title="@string/nav_item3" />
<item
android:id="@+id/nav4"
android:icon="@drawable/baseline_note_white_24"
android:title="@string/nav_item4" />
<item
android:id="@+id/nav5"
android:icon="@drawable/baseline_location_on_white_24"
android:title="@string/nav_item5" />
<item
android:id="@+id/nav6"
android:icon="@drawable/baseline_sync_white_24"
android:title="@string/nav_item6" />
<item
android:id="@+id/nav7"
android:icon="@drawable/baseline_cloud_upload_white_24"
android:title="@string/nav_item7" />
<item
android:id="@+id/nav8"
android:icon="@drawable/baseline_favorite_white_24"
android:title="@string/nav_item8" />
<item
android:id="@+id/nav9"
android:icon="@drawable/baseline_chrome_reader_mode_white_24"
android:title="@string/nav_item9" />
<item
android:id="@+id/nav10"
android:icon="@drawable/baseline_select_all_white_24"
android:title="@string/nav_item10" />
<item
android:id="@+id/nav11"
android:icon="@drawable/baseline_sort_white_24"
android:title="@string/nav_item11" />
<item
android:id="@+id/nav12"
android:icon="@drawable/baseline_access_time_white_24"
android:title="@string/nav_item12" />
<item
android:id="@+id/nav13"
android:icon="@drawable/baseline_data_usage_white_24"
android:title="@string/nav_item13" />
</group>
</menu>
должен Себе создавать файл для diseГ±o для фрагмента bottom navigation drawer.
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 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"
android:id="@+id/navigation_view_layout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:behavior_hideable="true"
app:layout_behavior="@string/bottom_sheet_behavior">
<com.google.android.material.navigation.NavigationView
android:id="@+id/navigation_view"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="bottom"
android:layout_marginTop="4dp"
android:paddingBottom="40dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/view2"
app:menu="@menu/bottom_nav_drawer_menu"
app:theme="@style/NavigationDrawerStyle" />
<TextView
android:id="@+id/textView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="12dp"
android:layout_marginTop="16dp"
android:fontFamily="@font/rubik_medium"
android:text="@string/bottom_sheet_name"
android:textColor="@color/colorAccent"
android:textSize="18sp"
android:textStyle="bold"
app:layout_constraintStart_toEndOf="@+id/imageView"
app:layout_constraintTop_toTopOf="parent" />
<TextView
android:id="@+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="2dp"
android:text="@string/bottom_sheet_email"
android:textColor="@color/colorAccent"
app:layout_constraintStart_toStartOf="@+id/textView"
app:layout_constraintTop_toBottomOf="@+id/textView" />
<ImageView
android:id="@+id/imageView"
android:layout_width="48dp"
android:layout_height="48dp"
android:layout_marginStart="24dp"
android:background="@drawable/baseline_account_circle_black_48"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="@+id/textView" />
<View
android:id="@+id/view2"
android:layout_width="match_parent"
android:layout_height="2dip"
android:layout_marginTop="15dp"
android:background="#447e7e7e"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/textView2" />
<ImageView
android:id="@+id/close_imageview"
android:layout_width="24dp"
android:layout_height="24dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="16dp"
android:layout_marginBottom="8dp"
android:background="@drawable/baseline_close_black_24"
android:visibility="gone"
app:layout_constraintBottom_toBottomOf="@+id/textView2"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toTopOf="@+id/textView" />
</androidx.constraintlayout.widget.ConstraintLayout>
Ты Нуждаешься в классе, который он увеличивал бы BottomSheetDialogFragment
class BottomNavigationDrawerFragment: BottomSheetDialogFragment() {
override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
return inflater.inflate(R.layout.fragment_bottom_navigation_drawer, container, false)
}
override fun onActivityCreated(savedInstanceState: Bundle?) {
super.onActivityCreated(savedInstanceState)
navigation_view.setNavigationItemSelectedListener { menuItem ->
when (menuItem.itemId) {
}
true
}
}
}
Cuando, нажимают на значок navigation drawer, crearГЎ инстанция этого фрагмента и mostrarГЎ.
override fun onOptionsItemSelected(item: MenuItem?): Boolean {
when (item!!.itemId) {
android.R.id.home -> {
val bottomNavDrawerFragment = BottomNavigationDrawerFragment()
bottomNavDrawerFragment.show(supportFragmentManager, bottomNavDrawerFragment.tag)
}
}
return true
}
Ты можешь добавлять свойство app:layout_behavior="android.support.design.widget.BottomSheetBehavior"
в контейнере править твоего xml, свойства app:behavior_peekHeight="0dp"
, он способствует тому, чтобы вид пребывал скрытым, programГЎticamente ты можешь менять состояние Г©sta. Внутри главного контейнера ты добавляешь BottomNavigationView
.