新的活动不启动时,点击导航抽屉项目
问题描述:
我已经搜索了很多,尝试了一切,我通过类似问题的解决方案,但没有帮助。 请告诉我我在代码中犯了什么错误,或者是否有我离开的东西。 请帮助我。任何更正都是可以理解的。 谢谢新的活动不启动时,点击导航抽屉项目
DrawerLayout 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);
drawer.addDrawerListener(toggle);
toggle.syncState();
NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
navigationView.setNavigationItemSelectedListener(this);
listView = (ListView) findViewById(R.id.list);
adapter = new Adapter(this, list);
listView.setAdapter(adapter);
}
@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.main, 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.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
@SuppressWarnings("StatementWithEmptyBody")
@Override
public boolean onNavigationItemSelected(MenuItem item) {
// Handle navigation view item clicks here.
int id = item.getItemId();
switch (id) {
case R.id.nav_camera:
//Do some thing here
// add navigation drawer item onclick method here
Intent i = new Intent(MyBookings.this, Categories.class);
startActivity(i);
break;
case R.id.nav_gallery:
//Do some thing here
// add navigation drawer item onclick method here
break;
case R.id.nav_slideshow:
//Do some thing here
// add navigation drawer item onclick method here
break;
case R.id.nav_share:
//Do some thing here
// add navigation drawer item onclick method here
break;
case R.id.nav_send:
//Do some thing here
// add navigation drawer item onclick method here
break;
}
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
drawer.closeDrawer(GravityCompat.START);
return false;
}
}
答
试图改变你的方法返回的布尔:
@SuppressWarnings("StatementWithEmptyBody")
@Override
public boolean onNavigationItemSelected(MenuItem item) {
// Handle navigation view item clicks here.
int id = item.getItemId();
switch (id) {
case R.id.nav_camera:
//Do some thing here
// add navigation drawer item onclick method here
Intent i = new Intent(MyBookings.this, Categories.class);
startActivity(i);
break;
case R.id.nav_gallery:
//Do some thing here
// add navigation drawer item onclick method here
break;
case R.id.nav_slideshow:
//Do some thing here
// add navigation drawer item onclick method here
break;
case R.id.nav_share:
//Do some thing here
// add navigation drawer item onclick method here
break;
case R.id.nav_send:
//Do some thing here
// add navigation drawer item onclick method here
break;
}
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
drawer.closeDrawer(GravityCompat.START);
return true;
}
答
试试这个变化::
Intent i = new Intent(MyBookings.this, Categories.class);
startActivity(i);
finish();
答
只需从switch语句的结尾处,删除这两条线
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
drawer.closeDrawer(GravityCompat.START);
让true.and我知道,如果可以帮助
+0
nope ...它不工作 – Dev
答
变化复位开关语句前加上导览线
@Override
public boolean onNavigationItemSelected(MenuItem item) {
// Handle navigation view item clicks here.
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
drawer.closeDrawer(GravityCompat.START);
int id = item.getItemId();
switch (id) {
case R.id.nav_camera:
//Do some thing here
// add navigation drawer item onclick method here
Intent i = new Intent(MyBookings.this, Categories.class);
startActivity(i);
break;
case R.id.nav_gallery:
//Do some thing here
// add navigation drawer item onclick method here
break;
case R.id.nav_slideshow:
//Do some thing here
// add navigation drawer item onclick method here
break;
case R.id.nav_share:
//Do some thing here
// add navigation drawer item onclick method here
break;
case R.id.nav_send:
//Do some thing here
// add navigation drawer item onclick method here
break;
}
return true;
}
}
尝试使用片段而不是活动导航抽屉里。 –
我不需要其他活动中的导航抽屉。这就是为什么我不使用片段。我想开始新的活动,当我点击项目 – Dev
行。然后在开始新活动后结束当前活动。 –