Android 滑动菜单不工作
我创建了一个添加了滑动菜单的项目。我的代码中没有显示错误,但应用程序未在Android Studio中运行。我无法解决这个问题,需要帮助解决这个问题 MainActivity.javaAndroid 滑动菜单不工作,android,android-studio,slidingmenu,slidingdrawer,Android,Android Studio,Slidingmenu,Slidingdrawer,我创建了一个添加了滑动菜单的项目。我的代码中没有显示错误,但应用程序未在Android Studio中运行。我无法解决这个问题,需要帮助解决这个问题 MainActivity.java public class MainActivity extends Activity { private DrawerLayout mDrawerLayout; private ListView mDrawerList; private ActionBarDrawerToggle mDrawerToggle;
public class MainActivity extends Activity {
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;
@Override
protected void onCreate(Bundle savedInstanceState) {
mDrawerList.setOnItemClickListener(new SlideMenuClickListener());
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
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);
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)));
// Recycle the typed array
navMenuIcons.recycle();
// 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.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);
}
}
private void displayView(int i) {
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.menu_main, menu);
return true;
}
@Override
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;
default:
return super.onOptionsItemSelected(item);
}
}
/***
* Called when invalidateOptionsMenu() is triggered
*/
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
// if nav drawer is opened, hide the action items
boolean drawerOpen = mDrawerLayout.isDrawerOpen(mDrawerList);
menu.findItem(R.id.action_settings).setVisible(!drawerOpen);
return super.onPrepareOptionsMenu(menu);
}
@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);
}
private class SlideMenuClickListener implements android.widget.AdapterView.OnItemClickListener {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position,
long id) {
// display view for selected nav drawer item
displayView(position);
}
private void displayView(int position) {
// update the main content by replacing fragments
Fragment fragment = null;
switch (position) {
case 0:
fragment = new FragmentDoctor();
break;
case 1:
fragment = new FragmentHospital();
break;
case 2:
fragment = new FragmentPharmacy();
break;
case 3:
fragment = new FragmentClinic();
break;
default:
break;
}
if (fragment != null) {
FragmentManager fragmentManager = getFragmentManager();
fragmentManager.beginTransaction()
.replace(R.id.frame_container, fragment).commit();
// update selected item and title, then close the drawer
mDrawerList.setItemChecked(position, true);
mDrawerList.setSelection(position);
setTitle(navMenuTitles[position]);
mDrawerLayout.closeDrawer(mDrawerList);
} else {
// error in creating fragment
Log.e("MainActivity", "Error in creating fragment");
}
}
}
}
请检查您的代码。您正在尝试在初始化listview之前将侦听器放入listview 这是错误的:
@Override
protected void onCreate(Bundle savedInstanceState) {
mDrawerList.setOnItemClickListener(new SlideMenuClickListener()); //very wrong
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
您应该首先初始化listview,然后像这样给它指定oncliclistener
mDrawerList = (ListView) findViewById(R.id.list_slidermenu);
mDrawerList.setOnItemClickListener(new SlideMenuClickListener());
请检查您的密码。您正在尝试在初始化listview之前将侦听器放入listview 这是错误的:
@Override
protected void onCreate(Bundle savedInstanceState) {
mDrawerList.setOnItemClickListener(new SlideMenuClickListener()); //very wrong
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
您应该首先初始化listview,然后像这样给它指定oncliclistener
mDrawerList = (ListView) findViewById(R.id.list_slidermenu);
mDrawerList.setOnItemClickListener(new SlideMenuClickListener());
请发布日志。已编辑我的帖子。我得到正确的日志了吗?因为它太多了这不是正确的日志。过滤你的应用程序日志并共享这些日志。我所做的最新编辑如何?显示你的ListDoctorFragments请发布你的日志。已经编辑我的帖子了。我得到正确的日志了吗?因为它太多了这不是正确的日志。过滤你的应用程序日志并共享这些日志。我所做的最新编辑如何?显示你的ListDoctorFragments第180行有什么?第180行有什么?