请帮助
Submitcv.java
这是导航slidemenu(submitcv)的片段，但是当我从mainactivity执行片段时我遇到了错误。但是当我使用这些片段时
没有任何代码，它被执行
和logcat没有任何显示任何错误
package com.example.app.slidemenu;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Locale;
import com.example.app_placement.R;
import android.app.DatePickerDialog;
import android.app.DatePickerDialog.OnDateSetListener;
import android.app.Fragment;
import android.os.Bundle;
import android.text.InputType;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.ArrayAdapter;
import android.widget.DatePicker;
import android.widget.EditText;
import android.widget.Spinner;
public class Submit_resume extends Fragment implements OnClickListener
{
// EditText name,emailid,dateofbirth,location,currentsalary,mobilenumber;
// RadioGroup gendergroup;
// RadioButton male,female;
// Button submitcv;
Spinner spinner;
String string_array[];
ArrayAdapter<String> arrayadapter;
EditText dateofbirth;
private DatePickerDialog fromDatePickerDialog;
private SimpleDateFormat dateFormatter;
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState)
{
View rootView = inflater.inflate(R.layout.submit_resume, container, false);
// name=(EditText)container.findViewById(R.id.sname);
// emailid=(EditText)container.findViewById(R.id.sbtmail);
// dateofbirth=(EditText)container.findViewById(R.id.sdob);
// location=(EditText)container.findViewById(R.id.slocation);
// currentsalary=(EditText)container.findViewById(R.id.currentsalary);
// mobilenumber=(EditText)container.findViewById(R.id.smobile);
// gendergroup=(RadioGroup)container.findViewById(R.id.subgender);
// submitcv=(Button)container.findViewById(R.id.submitcv);
// Submit_cv();
spinner=(Spinner)container.findViewById(R.id.spinner1);
//dateofbirth=(EditText)findViewById(R.id.sdob);
string_array=getResources().getStringArray(R.array.spinner_array);
arrayadapter=new ArrayAdapter<String>(getActivity(), android.R.layout.simple_list_item_1,
string_array);
spinner.setAdapter(arrayadapter);
// Calendar c = Calendar.getInstance();
// SimpleDateFormat ss = new SimpleDateFormat("dd-MM-yyyy");
// Date date = new Date();
// String currentdate= ss.format(date);
// dob=(EditText)findViewById(R.id.sdob);
//dob.setText(currentdate);
spinner.setOnItemSelectedListener(new OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> arg0, View arg1,
int position, long id) {
// TODO Auto-generated method stub
// spin_val = gender[position];//saving the value selected
}
@Override
public void onNothingSelected(AdapterView<?> arg0) {
// TODO Auto-generated method stub
}
});
dateFormatter = new SimpleDateFormat("dd-MM-yyyy", Locale.US);
findViewsById();
setDateTimeField();
return rootView;
}
private void findViewsById()
{
dateofbirth = (EditText)getView().findViewById(R.id.sdob);
dateofbirth.setInputType(InputType.TYPE_NULL);
dateofbirth.requestFocus();
}
private void setDateTimeField() {
dateofbirth.setOnClickListener(this);
Calendar newCalendar = Calendar.getInstance();
fromDatePickerDialog = new DatePickerDialog(getActivity(), new OnDateSetListener() {
public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
Calendar newDate = Calendar.getInstance();
newDate.set(year, monthOfYear, dayOfMonth);
dateofbirth.setText(dateFormatter.format(newDate.getTime()));
}
},newCalendar.get(Calendar.YEAR), newCalendar.get(Calendar.MONTH), newCalendar.get(Calendar.DAY_OF_MONTH));
}
public void onClick(View v)
{
// TODO Auto-generated method stub
if(v == dateofbirth) {
fromDatePickerDialog.show();
}
}
// public void Submit_cv()
// {
//
// System.out.println("value of usetname: "+name.getText().toString());
//
// final String gender = ((RadioButton)getView().findViewById(gendergroup.getCheckedRadioButtonId() )).getText().toString();
// System.out.println(gender);
// }
}
mainactivity.java
这是主要活动，其中定义滑块代码并定义了滑块的所有片段。但是当使用的是除了初始片段膨胀方法之外的任何代码的片段。我在片段中使用任何东西
package com.example.app_placement;
import info.androidhive.slidingmenu.adapter.NavDrawerListAdapter;
import info.androidhive.slidingmenu.model.NavDrawerItem;
import java.util.ArrayList;
import android.annotation.SuppressLint;
import android.app.ActionBar;
import android.app.Activity;
import android.app.Fragment;
import android.app.FragmentManager;
import android.content.Intent;
import android.content.res.Configuration;
import android.content.res.TypedArray;
import android.graphics.drawable.ColorDrawable;
import android.os.Bundle;
import android.support.v4.app.ActionBarDrawerToggle;
import android.support.v4.widget.DrawerLayout;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.*;
import com.example.app.slidemenu.*;
@SuppressLint("NewApi")
public class MainActivity extends Activity {
// Dialog choicedialog;
ShareActionProvider mshareactioprovider;
private DrawerLayout mDrawerLayout;
private ListView mDrawerList;
private ActionBarDrawerToggle mDrawerToggle;
// nav drawer title
private CharSequence mDrawerTitle;
// used to store app title
private CharSequence mTitle;
// slide menu items
private String[] navMenuTitles;
private TypedArray navMenuIcons;
private ArrayList<NavDrawerItem> navDrawerItems;
private NavDrawerListAdapter adapter;
private LinearLayout drawerll;
@SuppressLint("NewApi")
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
TextView userTextView = (TextView) findViewById(R.id.tvsideUserName);
System.out.println("value of user from db:"+Constants.USERNAME);
userTextView.setText(Constants.USERNAME);
mTitle = mDrawerTitle = getTitle();
// load slide menu items
navMenuTitles = getResources().getStringArray(R.array.nav_drawer_items);
// nav drawer icons from resources
navMenuIcons = getResources()
.obtainTypedArray(R.array.nav_drawer_icons);
mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
mDrawerList = (ListView) findViewById(R.id.list_slidermenu);
drawerll = (LinearLayout) findViewById(R.id.drawerll);
navDrawerItems = new ArrayList<NavDrawerItem>();
// adding nav drawer items to array
// Home
navDrawerItems.add(new NavDrawerItem(navMenuTitles[0], navMenuIcons
.getResourceId(0, -1)));
// Find People
navDrawerItems.add(new NavDrawerItem(navMenuTitles[1], navMenuIcons
.getResourceId(1, -1)));
// Photos
navDrawerItems.add(new NavDrawerItem(navMenuTitles[2], navMenuIcons
.getResourceId(2, -1)));
// Communities, Will add a counter here
navDrawerItems.add(new NavDrawerItem(navMenuTitles[3], navMenuIcons
.getResourceId(3, -1), true, "22"));
// Pages
navDrawerItems.add(new NavDrawerItem(navMenuTitles[4], navMenuIcons
.getResourceId(4, -1)));
// What's hot, We will add a counter here
navDrawerItems.add(new NavDrawerItem(navMenuTitles[5], navMenuIcons
.getResourceId(5, -1), true, "50+"));
// Recycle the typed array
navMenuIcons.recycle();
mDrawerList.setOnItemClickListener(new SlideMenuClickListener());
// setting the nav drawer list adapter
adapter = new NavDrawerListAdapter(getApplicationContext(),
navDrawerItems);
mDrawerList.setAdapter(adapter);
// enabling action bar app icon and behaving it as toggle button
getActionBar().setDisplayHomeAsUpEnabled(true);
getActionBar().setHomeButtonEnabled(true);
mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout,
R.drawable.menu1, // nav menu toggle icon
R.string.app_name, // nav drawer open - description for
// accessibility
R.string.app_name // nav drawer close - description for
// accessibility
) {
public void onDrawerClosed(View view) {
getActionBar().setTitle(mTitle);
// calling onPrepareOptionsMenu() to show action bar icons
invalidateOptionsMenu();
}
public void onDrawerOpened(View drawerView) {
getActionBar().setTitle(mDrawerTitle);
// calling onPrepareOptionsMenu() to hide action bar icons
invalidateOptionsMenu();
}
};
mDrawerLayout.setDrawerListener(mDrawerToggle);
if (savedInstanceState == null)
{
// on first time display view for first nav item
displayView(0);
}
}
/**
* Slide menu item click listener
* */
private class SlideMenuClickListener implements
ListView.OnItemClickListener
{
@Override
public void onItemClick(AdapterView<?> parent, View view, int position,
long id) {
// display view for selected nav drawer item
displayView(position);
}
}
public boolean onOptionsItemSelected(MenuItem item)
{
// toggle nav drawer on selecting action bar app icon/title
if (mDrawerToggle.onOptionsItemSelected(item))
{
return true;
}
// Handle action bar actions click
switch (item.getItemId())
{
case R.id.action_settings:
return true;
case R.id.logout:
startActivity(new Intent(this,Login_Activity.class));
return true;
case R.id.profile:
return true;
case R.id.abouts:
//startActivity(new Intent(this,About_us.class));
return true;
case R.id.changepassword:
return true;
default:
return super.onOptionsItemSelected(item);
}
}
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
// Inflating the current activity's menu with
getMenuInflater().inflate(R.menu.main, menu);
// getActionBar();
ActionBar b=getActionBar();
b.setBackgroundDrawable(new ColorDrawable(getResources().getColor(R.color.SteelBlue)));
getActionBar().setIcon(new ColorDrawable(getResources().getColor(android.R.color.transparent)));
//two more option to set bckcolor
//bar.setBackgroundDrawable(new ColorDrawable(Color.parseColor("#0000ff")));
// b.setBackgroundDrawable(new ColorDrawable(0x3366FF));
// Getting the actionprovider associated with the menu item whose id is
// share
// mshareactioprovider=(ShareActionProvider)menu.findItem(R.id.newshare).getActionProvider();
// Setting a share intent
// mshareactioprovider.setShareIntent(getDefaultShareIntent());
// Log.d("MainMenu", ",menu title0: " + menu.getItem(0).getTitle());
// returns "New Form"
// menu.addSubMenu(0, Menu.NONE, 1, "Form 1").setIcon(R.drawable.share
// );
// menu.addSubMenu(0, Menu.NONE, 2, "Form 2").setIcon(R.drawable.share);
return true;
}
private Intent getDefaultShareIntent() {
Intent intent = new Intent(Intent.ACTION_SEND);
intent.setType("text/plain");
intent.putExtra(Intent.EXTRA_SUBJECT, "SUBJECT");
intent.putExtra(Intent.EXTRA_TEXT, "Extra Text");
return intent;
}
/* *
* Called when invalidateOptionsMenu() is triggered
*/
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
// if nav drawer is opened, hide the action items
final boolean drawerOpen = mDrawerLayout.isDrawerOpen(drawerll);
// boolean drawerOpen = mDrawerLayout.isDrawerOpen(mDrawerList);
menu.findItem(R.id.action_settings).setVisible(!drawerOpen);
return super.onPrepareOptionsMenu(menu);
}
/**
* Diplaying fragment view for selected nav drawer list item
* */
private void displayView(int position) {
// update the main content by replacing fragments
Fragment fragment = null;
switch (position) {
case 0:
fragment = new HomeFragment();
break;
case 1:
fragment = new CurrentOpening();
break;
case 2:
fragment = new Client_Fragment();
break;
case 3:
System.out.println("Submit fragment is called");
fragment = new Submit_resume();
break;
case 4:
fragment = new About_us();
break;
case 5:
fragment = new Contact_us();
break;
default:
break;
}
if (fragment != null) {
FragmentManager fragmentManager = getFragmentManager();
fragmentManager.beginTransaction()
.replace(R.id.frame_container1, fragment).commit();
// update selected item and title, then close the drawer
mDrawerList.setItemChecked(position, true);
mDrawerList.setSelection(position);
setTitle(navMenuTitles[position]);
mDrawerLayout.closeDrawer(drawerll);
} else {
// error in creating fragment
Log.e("MainActivity", "Error in creating fragment");
}
}
@Override
public void setTitle(CharSequence title) {
mTitle = title;
getActionBar().setTitle(mTitle);
}
/**
* When using the ActionBarDrawerToggle, you must call it during
* onPostCreate() and onConfigurationChanged()...
*/
@Override
protected void onPostCreate(Bundle savedInstanceState) {
super.onPostCreate(savedInstanceState);
// Sync the toggle state after onRestoreInstanceState has occurred.
mDrawerToggle.syncState();
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
// Pass any configuration change to the drawer toggls
mDrawerToggle.onConfigurationChanged(newConfig);
}
public void onBackPressed() {
if (getFragmentManager().getBackStackEntryCount() > 0) {
getFragmentManager().popBackStack();
} else {
super.onBackPressed();
}
}
}
答案 0 :(得分：1)
您需要更改以下行：
发件人
spinner=(Spinner)container.findViewById(R.id.spinner1);
要
spinner=(Spinner)rootView.findViewById(R.id.spinner1);
原因：您需要将您的UI小部件与片段视图绑定，而不是 Viewgroup 。
完成