我有9个选项卡,但处于填充模式。我想让这些选项卡可滚动。但我不知道窍门。我尝试了很多方法,但还是没有用。
我的活动:
package com.bani.fragment2;
import android.os.Bundle;
import android.support.design.widget.TabLayout;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.MenuItem;
import android.view.WindowManager;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
final Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
toolbar.setTitle("Fragment 1");
setSupportActionBar(toolbar);
TabLayout tabLayout = (TabLayout) findViewById(R.id.tab_layout);
tabLayout.addTab(tabLayout.newTab().setText("Tab 1"));
tabLayout.addTab(tabLayout.newTab().setText("Tab 2"));
tabLayout.addTab(tabLayout.newTab().setText("Tab 3"));
tabLayout.addTab(tabLayout.newTab().setText("Tab 4"));
tabLayout.addTab(tabLayout.newTab().setText("Tab 5"));
tabLayout.addTab(tabLayout.newTab().setText("Tab 6"));
tabLayout.addTab(tabLayout.newTab().setText("Tab 7"));
tabLayout.addTab(tabLayout.newTab().setText("Tab 8"));
tabLayout.addTab(tabLayout.newTab().setText("Tab 9"));
tabLayout.setTabGravity(TabLayout.GRAVITY_CENTER);
final ViewPager viewPager = (ViewPager) findViewById(R.id.pager);
final PagerAdapter adapter = new PageAdapter(getSupportFragmentManager(), tabLayout.getTabCount());
viewPager.setAdapter(adapter);
viewPager.addOnPageChangeListener(new TabLayout.TabLayoutOnPageChangeListener(tabLayout));
tabLayout.setOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {
@Override
public void onTabSelected(TabLayout.Tab tab) {
switch(tab.getPosition()) {
case 0:
viewPager.setCurrentItem(0);
toolbar.setTitle("Fragment 1");
break;
case 1:
viewPager.setCurrentItem(1);
toolbar.setTitle("Fragment 2");
break;
case 2:
viewPager.setCurrentItem(2);
toolbar.setTitle("Fragment 3");
break;
case 3:
viewPager.setCurrentItem(3);
toolbar.setTitle("Fragment 4");
break;
case 4:
viewPager.setCurrentItem(4);
toolbar.setTitle("Fragment 5");
break;
case 5:
viewPager.setCurrentItem(5);
toolbar.setTitle("Fragment 6");
break;
case 6:
viewPager.setCurrentItem(6);
toolbar.setTitle("Fragment 7");
break;
case 7:
viewPager.setCurrentItem(7);
toolbar.setTitle("Fragment 8");
break;
case 8:
viewPager.setCurrentItem(8);
toolbar.setTitle("Fragment 9");
break;
default:
viewPager.setCurrentItem(tab.getPosition());
toolbar.setTitle("Fragment 1");
break;
}
}
@Override
public void onTabUnselected(TabLayout.Tab tab) {
}
@Override
public void onTabReselected(TabLayout.Tab tab) {
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.menu_main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
}
这是我的带选项卡的布局:
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:background="?attr/colorPrimary"
android:elevation="6dp"
android:minHeight="?attr/actionBarSize"
android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
app:popupTheme="@style/ThemeOverlay.AppCompat.Light"/>
<android.support.design.widget.TabLayout
android:id="@+id/tab_layout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/toolbar"
android:background="?attr/colorPrimary"
android:elevation="6dp"
android:minHeight="?attr/actionBarSize"
android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"/>
<android.support.v4.view.ViewPager
android:id="@+id/pager"
android:layout_width="match_parent"
android:layout_height="fill_parent"
android:layout_below="@id/tab_layout"/>
</RelativeLayout>
请帮我解决问题,我尝试将选项卡重力设置为MODE_SCROLLABLE等其他方式,但对我仍然无效。