[英]Navigation Drawer not working when used with relative layout
我有一個在我的活動中使用 DrawerLayout 的工作導航抽屜。 問題是我不能把內容放在里面,所以我在抽屜布局中使用了相對布局。 如果我這樣做,導航抽屜將不會響應任何操作。 它只是打開和關閉。
XML文件
<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.DrawerLayout 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/drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
tools:openDrawer="start"
>
<include
layout="@layout/app_bar_home"
android:layout_width="match_parent"
android:layout_height="match_parent" />
<android.support.design.widget.NavigationView
android:id="@+id/nav_view"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_gravity="start"
android:fitsSystemWindows="true"
app:headerLayout="@layout/nav_header_navigation"
app:menu="@menu/activity_navigation_drawer" />
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:id="@+id/info"
android:layout_width="298dp"
android:layout_height="40dp"
android:layout_alignParentStart="true"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:layout_alignParentEnd="true"
android:layout_alignParentRight="true"
android:layout_alignParentBottom="true"
android:layout_marginStart="58dp"
android:layout_marginLeft="58dp"
android:layout_marginTop="97dp"
android:layout_marginEnd="55dp"
android:layout_marginRight="55dp"
android:layout_marginBottom="522dp"
android:text="NCMH - Doctor Dashboard"
android:textAlignment="center"
android:textSize="25sp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.483"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.182" />
</RelativeLayout>
這是我的活動:
public class DoctorActivity extends AppCompatActivity
implements NavigationView.OnNavigationItemSelectedListener {
DrawerLayout drawer;
NavigationView navigationView;
Toolbar toolbar = null;
FirebaseAuth firebaseAuth;
FloatingActionButton fab;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_doctor);
firebaseAuth = FirebaseAuth.getInstance();
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fabmenu);
fab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
startActivity(new Intent(DoctorActivity.this, TextChat.class));
}
});
drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
drawer.setDrawerListener(toggle);
toggle.syncState();
navigationView = (NavigationView) findViewById(R.id.nav_view);
navigationView.setNavigationItemSelectedListener(this);
}
@Override
public void onBackPressed() {
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
if (drawer.isDrawerOpen(GravityCompat.START)) {
drawer.closeDrawer(GravityCompat.START);
} else {
super.onBackPressed();
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
switch (item.getItemId()) {
case R.id.profileMain: {
startActivity(new Intent(DoctorActivity.this, MainActivity.class));
break;
}
case R.id.profileMenu: {
startActivity(new Intent(DoctorActivity.this, ProfileActivity.class));
break;
}
case R.id.logoutMenu: {
firebaseAuth.signOut();
finish();
startActivity(new Intent(DoctorActivity.this, Login.class));
break;
}
}
return super.onOptionsItemSelected(item);
}
@SuppressWarnings("StatementWithEmptyBody")
@Override
public boolean onNavigationItemSelected(MenuItem item) {
// Handle navigation view item clicks here.
//here is the main place where we need to work on.
int id = item.getItemId();
switch (id) {
case R.id.profile:
Intent p = new Intent(DoctorActivity.this, ProfileActivity.class);
startActivity(p);
break;
case R.id.calendar:
Toast.makeText(this, "Calendar", Toast.LENGTH_SHORT).show();
break;
case R.id.categories:
Toast.makeText(this, "Categories", Toast.LENGTH_SHORT).show();
break;
case R.id.about:
Toast.makeText(this, "Abous Us", Toast.LENGTH_SHORT).show();
break;
case R.id.contact:
Toast.makeText(this, "Contact", Toast.LENGTH_SHORT).show();
break;
}
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
drawer.closeDrawer(GravityCompat.START);
return true;
}
}
如果我刪除相對布局,導航抽屜工作正常。 一切正常,但是每當我添加相對布局和 textview 時,單擊導航抽屜中的某些內容只會關閉抽屜而不會執行任何操作。
您已為TextView
ConstraintLayout
屬性,而您沒有ConstraintLayout
。
但是,您在DrawerLayout
使用了RelativeLayout
。 你的內容應該放在CoordinatorLayout
而不是DrawerLayout
。
無論如何,請確保您將CoordinatorLayout
作為此文件中的根標記: app_bar_home
然后放置您的內容(在那里沒有ConstraintLayout
屬性(如果您沒有ConstraintLayout
))
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