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私は、3つのタブ、Called Tab1、Tab2、Tab3と共に折り畳みツールバーレイアウトを作成しようとしています。プログラムを実行すると、タブはうまくいきましたが、折りたたみ効果は機能しません。これは私のコードです。 折りたたみツールバーの効果がTablayoutで機能しない
import android.content.Context;
import android.os.Bundle;
import android.support.design.widget.CollapsingToolbarLayout;
import android.support.design.widget.CoordinatorLayout;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.design.widget.TabLayout;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentStatePagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.Toolbar;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import java.util.ArrayList;
public class FourthActivity extends AppCompatActivity {
// Need this to link with the Snackbar
private CoordinatorLayout mCoordinator;
//Need this to set the title of the app bar
private CollapsingToolbarLayout mCollapsingToolbarLayout;
private Toolbar mToolbar;
private ViewPager mPager;
private YourPagerAdapter mAdapter;
private TabLayout mTabLayout;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_fourth);
mCoordinator = (CoordinatorLayout) findViewById(R.id.root_coordinator);
mCollapsingToolbarLayout = (CollapsingToolbarLayout) findViewById(R.id.collapsing_toolbar_layout);
mFab = (FloatingActionButton) findViewById(R.id.fab);
mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
mToolbar = (Toolbar) findViewById(R.id.app_bar);
setSupportActionBar(mToolbar);
mTabLayout = (TabLayout) findViewById(R.id.tab_layout);
mAdapter = new YourPagerAdapter(getSupportFragmentManager());
mPager = (ViewPager) findViewById(R.id.view_pager);
mPager.setAdapter(mAdapter);
//Notice how the Tab Layout links with the Pager Adapter
mTabLayout.setTabsFromPagerAdapter(mAdapter);
//Notice how The Tab Layout adn View Pager object are linked
mTabLayout.setupWithViewPager(mPager);
mPager.addOnPageChangeListener(new TabLayout.TabLayoutOnPageChangeListener(mTabLayout));
class YourPagerAdapter extends FragmentStatePagerAdapter {
public YourPagerAdapter(FragmentManager fm) {
super(fm);
}
@Override
public Fragment getItem(int position) {
//FourthActivity.MyFragment myFragment = FourthActivity.MyFragment.newInstance(position);
android.support.v4.app.Fragment fragment = null;
if (position == 0) {
fragment = new FragmentA();
} else if (position == 1) {
fragment = new FragmentB();
} else if (position == 2) {
fragment = new FragmentC();
}
return fragment;
}
@Override
public int getCount() {
return 3;
}
@Override
public CharSequence getPageTitle(int position) {
return "Tab " + (position + 1);
}
}}
この
はXML<android.support.design.widget.CoordinatorLayout
android:id="@+id/root_coordinator"
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.design.widget.AppBarLayout
android:id="@+id/app_bar_layout"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<android.support.design.widget.CollapsingToolbarLayout
android:id="@+id/collapsing_toolbar_layout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:contentScrim="?attr/colorPrimary"
app:layout_scrollFlags="scroll|enterAlways">
<ImageView
android:layout_width="match_parent"
android:layout_height="192dp"
android:scaleType="centerCrop"
android:src="@drawable/rsz_bg_cover"
app:layout_collapseMode="parallax" />
<android.support.v7.widget.Toolbar
android:id="@+id/app_bar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
app:layout_collapseMode="pin" />
</android.support.design.widget.CollapsingToolbarLayout>
<!--<android.support.design.widget.CollapsingToolbarLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:layout_scrollFlags="scroll|enterAlways">-->
<android.support.design.widget.TabLayout
android:id="@+id/tab_layout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@color/colorAccent"
app:layout_collapseMode="pin"
app:tabIndicatorColor="@color/colorPrimary"
app:tabSelectedTextColor="@android:color/white"
app:tabTextColor="#EEE" />
<!-- </android.support.design.widget.CollapsingToolbarLayout>-->
</android.support.design.widget.AppBarLayout>
<android.support.v4.view.ViewPager
android:id="@+id/view_pager"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="@string/appbar_scrolling_view_behavior" />
<android.support.design.widget.FloatingActionButton
android:id="@+id/fab"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="bottom|right"
android:layout_margin="16dp"
android:src="@drawable/ic_add_black"
app:borderWidth="0dp"
app:fabSize="mini" />
</android.support.design.widget.CoordinatorLayout>
<android.support.design.widget.NavigationView
android:id="@+id/navigation_drawer"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_gravity="start"
app:menu="@menu/menu_drawer" />
ここで、XMLは？ – Manny265
これはXMLです.FragmentA、FragmentB、およびFragmentCのXMLは今のところ空です –