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POLoad navigation drawer slider with Dynamic Fragments
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20175476
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20187699
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2013-11-24T14:09:22.750
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I'm making an Android App for my college using navigation drawer. It has two types of users - students & faculty. So depending upon the email-id/username I want to load the components of respective user in the drawer/slider. I went through this question, which suggests we can use any layout in the child layout: <a href="https://stackoverflow.com/questions/16738595/is-it-possible-to-use-something-other-than-a-listview-as-sliding-drawer-in-drawe">Is it possible to use something other than a listview as sliding drawer in drawerlayout</a> So in order to implement my logic I wish to use 3 dynamic fragments : login_fragment, student_fragment, faculty_fragment. And then using the username type I will replace the login_fragment with student/faculty_fragment in the drawer. But I'm getting errors in loading the drawer with dynamic fragment. This is the main_activity code I'm using to load dynamic fragments in the drawer(by drawer I'm mean the slider). The main layout part i.e content_frame is already done using the same approach with no errors. navigation drawer layout file : <pre><code>//main_activity.xml layout file <android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/drawer_layout" android:layout_width="match_parent" android:layout_height="match_parent">  <FrameLayout android:id="@+id/content_frame" android:layout_width="match_parent" android:layout_height="match_parent" />  <FrameLayout android:id="@+id/left_drawer" android:layout_width="320dp" android:layout_height="match_parent" android:layout_gravity="start" android:background="#111" > </FrameLayout> </code></pre> This is the .java file for the corresponding layout and I think the error is in loading the drawer list layout : <pre><code>// Main_Activity package com.kodevelop.gndec; import android.app.Fragment; import android.app.FragmentTransaction; import android.app.SearchManager; import android.content.Intent; import android.content.res.Configuration; import android.os.Bundle; import android.support.v4.app.ActionBarDrawerToggle; import android.support.v4.app.FragmentActivity; import android.support.v4.view.GravityCompat; import android.support.v4.widget.DrawerLayout; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.View; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.ListView; import android.widget.Toast; public class LaunchActivity extends FragmentActivity { private DrawerLayout DrawerLayout; private ListView DrawerList; private ActionBarDrawerToggle DrawerToggle; @SuppressWarnings("unused") private CharSequence DrawerTitle; private CharSequence Title; private String[] ListTitles; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.drawerlist_test); Title = DrawerTitle = getTitle(); ListTitles = getResources().getStringArray(R.array.list_array); DrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout); DrawerList = (ListView) findViewById(R.id.left_drawer); // initialize drawer list // Also set a custom shadow that overlays the main content when the drawer opens DrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START); // add fragments to drawer list Fragment newFragment; FragmentTransaction transaction = getFragmentManager().beginTransaction(); newFragment = new testfragment(); transaction.replace(R.id.left_drawer, newFragment); transaction.addToBackStack(null); transaction.commit(); System.out.println("check1........ + fragment created"); /* // set up the drawer's list view with items and click listener DrawerList.setAdapter(new ArrayAdapter<String>(this, R.layout.drawer_itemlist, ListTitles)); DrawerList.setOnItemClickListener(new DrawerItemClickListener()); */ // enable ActionBar app icon to behave as action to toggle nav drawer getActionBar().setDisplayHomeAsUpEnabled(true); getActionBar().setHomeButtonEnabled(true); // ActionBarDrawerToggle ties together the the proper interactions // between the sliding drawer and the action bar app icon DrawerToggle = new ActionBarDrawerToggle( this, /* host Activity */ DrawerLayout, /* DrawerLayout object */ R.drawable.ic_drawer, /* nav drawer image to replace 'Up' caret */ R.string.drawer_open, /* "open drawer" description for accessibility */ R.string.drawer_close /* "close drawer" description for accessibility */ ) { public void onDrawerClosed(View view) { getActionBar().setTitle(Title); invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu() } public void onDrawerOpened(View drawerView) { getActionBar().setTitle(Title); // same title for open/close drawer //getActionBar().setTitle(DrawerTitle); invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu() } }; DrawerLayout.setDrawerListener(DrawerToggle); if (savedInstanceState == null) { selectItem(0); } } /** * 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. DrawerToggle.syncState(); } @Override public void onConfigurationChanged(Configuration newConfig) { super.onConfigurationChanged(newConfig); // Pass any configuration change to the drawer toggle DrawerToggle.onConfigurationChanged(newConfig); } // option menu - action bar @Override public boolean onCreateOptionsMenu(Menu menu) { MenuInflater inflater = getMenuInflater(); inflater.inflate(R.menu.main, menu); return super.onCreateOptionsMenu(menu); } // Called whenever we call invalidateOptionsMenu() @Override public boolean onPrepareOptionsMenu(Menu menu) { // If the nav drawer is open, hide action items related to the content view boolean drawerOpen = DrawerLayout.isDrawerOpen(DrawerList); menu.findItem(R.id.action_websearch).setVisible(!drawerOpen); return super.onPrepareOptionsMenu(menu); } @Override public boolean onOptionsItemSelected(MenuItem item) { // The action bar home/up action should open or close the drawer. // ActionBarDrawerToggle will take care of this. if (DrawerToggle.onOptionsItemSelected(item)) { return true; } // Handle action buttons switch(item.getItemId()) { case R.id.action_websearch: // create intent to perform web search for this planet Intent intent = new Intent(Intent.ACTION_WEB_SEARCH); intent.putExtra(SearchManager.QUERY, getActionBar().getTitle()); // catch event that there's no activity to handle intent if (intent.resolveActivity(getPackageManager()) != null) { startActivity(intent); } else { Toast.makeText(this, R.string.app_not_available, Toast.LENGTH_LONG).show(); } return true; default: return super.onOptionsItemSelected(item); } } // Nav Drawer List click // The click listener for ListView in the navigation drawer private class DrawerItemClickListener implements ListView.OnItemClickListener { @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { selectItem(position); } } private void selectItem(int position) { Fragment newFragment; FragmentTransaction transaction = getFragmentManager().beginTransaction(); switch (position) { case 0: newFragment = new f1(); transaction.replace(R.id.content_frame, newFragment); transaction.addToBackStack(null); transaction.commit(); break; case 1: newFragment = new f2(); transaction.replace(R.id.content_frame, newFragment); transaction.addToBackStack(null); transaction.commit(); break; case 2: newFragment = new f3(); transaction.replace(R.id.content_frame, newFragment); transaction.addToBackStack(null); transaction.commit(); break; case 3: newFragment = new f4(); transaction.replace(R.id.content_frame, newFragment); transaction.addToBackStack(null); transaction.commit(); break; } DrawerList.setItemChecked(position, true); setTitle(ListTitles[position]); DrawerLayout.closeDrawer(DrawerList); } @Override public void setTitle(CharSequence title) { Title = title; getActionBar().setTitle(Title); } } </code></pre> And this is the logcat error list : <pre><code> 11-24 13:16:53.058: E/Trace(18812): error opening trace file: No such file or directory (2) 11-24 13:16:53.058: W/Trace(18812): Unexpected value from nativeGetEnabledTags: 0 11-24 13:16:53.058: W/Trace(18812): Unexpected value from nativeGetEnabledTags: 0 11-24 13:16:53.058: W/Trace(18812): Unexpected value from nativeGetEnabledTags: 0 11-24 13:16:53.068: W/Trace(18812): Unexpected value from nativeGetEnabledTags: 0 11-24 13:16:53.068: W/Trace(18812): Unexpected value from nativeGetEnabledTags: 0 11-24 13:16:53.108: D/AndroidRuntime(18812): Shutting down VM 11-24 13:16:53.108: W/dalvikvm(18812): threadid=1: thread exiting with uncaught exception (group=0xb2e17908) 11-24 13:16:53.108: E/AndroidRuntime(18812): FATAL EXCEPTION: main 11-24 13:16:53.108: E/AndroidRuntime(18812): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.kodevelop.gndec/com.kodevelop.gndec.LaunchActivity}: java.lang.ClassCastException: android.widget.FrameLayout cannot be cast to android.widget.ListView 11-24 13:16:53.108: E/AndroidRuntime(18812): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2180) 11-24 13:16:53.108: E/AndroidRuntime(18812): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2230) 11-24 13:16:53.108: E/AndroidRuntime(18812): at android.app.ActivityThread.access$600(ActivityThread.java:141) 11-24 13:16:53.108: E/AndroidRuntime(18812): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1234) 11-24 13:16:53.108: E/AndroidRuntime(18812): at android.os.Handler.dispatchMessage(Handler.java:99) 11-24 13:16:53.108: E/AndroidRuntime(18812): at android.os.Looper.loop(Looper.java:137) 11-24 13:16:53.108: E/AndroidRuntime(18812): at android.app.ActivityThread.main(ActivityThread.java:5039) 11-24 13:16:53.108: E/AndroidRuntime(18812): at java.lang.reflect.Method.invokeNative(Native Method) 11-24 13:16:53.108: E/AndroidRuntime(18812): at java.lang.reflect.Method.invoke(Method.java:511) 11-24 13:16:53.108: E/AndroidRuntime(18812): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793) 11-24 13:16:53.108: E/AndroidRuntime(18812): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560) 11-24 13:16:53.108: E/AndroidRuntime(18812): at dalvik.system.NativeStart.main(Native Method) 11-24 13:16:53.108: E/AndroidRuntime(18812): Caused by: java.lang.ClassCastException: android.widget.FrameLayout cannot be cast to android.widget.ListView 11-24 13:16:53.108: E/AndroidRuntime(18812): at com.kodevelop.gndec.LaunchActivity.onCreate(LaunchActivity.java:42) 11-24 13:16:53.108: E/AndroidRuntime(18812): at android.app.Activity.performCreate(Activity.java:5104) 11-24 13:16:53.108: E/AndroidRuntime(18812): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1080) 11-24 13:16:53.108: E/AndroidRuntime(18812): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2144) 11-24 13:16:53.108: E/AndroidRuntime(18812): ... 11 more </code></pre> <blockquote> I'm willing to share the whole code in zipped format so as to import the project in your system, if need arises. </blockquote>
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<android><android-fragments><navigation-drawer>
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Load navigation drawer slider with Dynamic Fragments
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