[英]how to call an activity from a self created slide menu (one which found in default in navigation drawer activity) under Tabbed activity
我在選項卡式活動下創建了一個幻燈片菜單(默認位於導航抽屜活動中)。 我可以從幻燈片菜單選項中調用片段,如下面的代碼所示。 我的問題是,如何調用活動而不是片段。 誰可以幫我這個事? 這是代碼
public class MainActivity extends AppCompatActivity
{
DrawerLayout drawerLayout;
NavigationView navigationView;
android.support.v4.app.FragmentManager FM;
FragmentTransaction FT;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
drawerLayout = (DrawerLayout) findViewById(R.id.drawerLayout);
navigationView = (NavigationView) findViewById(R.id.shitstuff);
FM = getSupportFragmentManager();
FT = FM.beginTransaction();
FT.replace(R.id.containerView, new TabFragment()).commit();
navigationView.setNavigationItemSelectedListener(new NavigationView.OnNavigationItemSelectedListener() {
@Override
public boolean onNavigationItemSelected(MenuItem item) {
// Handle navigation view item clicks here.
int id = item.getItemId();
if (id == R.id.nav_history) {
FragmentTransaction fragmentTransaction = FM.beginTransaction();
fragmentTransaction.replace(R.id.containerView, new HistoryFragment()).commit();
}
else if (id == R.id.nav_gallery) {
FragmentTransaction fragmentTransaction = FM.beginTransaction();
fragmentTransaction.replace(R.id.containerView, new GalaryFragment()).commit();
}
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawerLayout);
drawer.closeDrawer(GravityCompat.START);
return true;
}
});
android.support.v7.widget.Toolbar toolbar =(Toolbar)findViewById(R.id.toolbar);
ActionBarDrawerToggle toggle=new ActionBarDrawerToggle(this,drawerLayout,toolbar,R.string.app_name,R.string.app_name);
drawerLayout.addDrawerListener(toggle);
toggle.syncState();
}
}
只需調用活動而不是片段即可。 如果您是Android的新手,則下面的代碼“ this”是指當前活動,HistoryAcitvity是將要開始的新活動。 在編寫此代碼之前,請創建活動,然后將該活動添加到清單(如果您在android studio中執行,則會自動執行)。
if (id == R.id.nav_history) { Intent historyActivity = new Intent(this ,HistoryAcitivity.class); startActivity(historyActivity);
}
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