I am getting these three errors while it starts the app and it crashes immediately after that(I've added all the references where required):
android.view.InflateException: Binary XML file line #29: Error inflating class fragment
Caused by: android.view.InflateException: Binary XML file line #29: Error inflating class fragment
Caused by: java.lang.IllegalStateException: Fragment com.tifinnearme.priteshpatel.materialdrawer.NavigationFragment did not create a view.
Here is Mainactivity.java
package com.tifinnearme.priteshpatel.materialdrawer;
import android.content.Intent;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.MenuItem;
public class MainActivity extends ActionBarActivity {
Toolbar toolbar;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
toolbar=(Toolbar)findViewById(R.id.app_bar);
setSupportActionBar(toolbar);
getSupportActionBar().setHomeButtonEnabled(true);
//Create object for drawer layout
NavigationFragment navFrag= (NavigationFragment)getSupportFragmentManager().findFragmentById(R.id.drawer_fragment);
DrawerLayout drawerLayout=(DrawerLayout)findViewById(R.id.drawer_layout);//Get the object of drawer layout
navFrag.setUp(R.id.drawer_fragment,drawerLayout,toolbar);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
if(id==R.id.navigate)
{
startActivity(new Intent(this,Subactivity.class));
}
return super.onOptionsItemSelected(item);
}
}
NavigationFragment.java
package com.tifinnearme.priteshpatel.materialdrawer;
import android.content.Context;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.widget.Toolbar;
import android.view.View;
/**
* A simple {@link Fragment} subclass.
*/
public class NavigationFragment extends Fragment {
public static final String PREF_FILE_NAME="testprefs";
public static final String KEY_USER_LEARNED_DRAWER="User learned drawer";
private ActionBarDrawerToggle mDrawerToggle;
private DrawerLayout mDrawerLayout;
private boolean mUserLearnedDrawer;//indicate whether user has opened drawer first time or not(
private boolean mFromSavedInstanceState;
private View containerView;
public NavigationFragment() {
// Required empty public constructor
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mUserLearnedDrawer=Boolean.valueOf(readFromPrefs(getActivity(), KEY_USER_LEARNED_DRAWER, "false"));//false indicates user doesn't know about drawer
if(savedInstanceState!=null){
mFromSavedInstanceState=true;
}
}
public void setUp(int drawer_fragment, DrawerLayout drawerLayout, Toolbar toolbar) {
//Initialize the drawer layout and toggle
containerView=getActivity().findViewById(drawer_fragment);
mDrawerLayout=drawerLayout;
mDrawerToggle=new ActionBarDrawerToggle(getActivity(),mDrawerLayout,toolbar,R.string.drawer_open,R.string.drawer_close){
@Override
public void onDrawerOpened(View drawerView) {
super.onDrawerOpened(drawerView);
if(!mUserLearnedDrawer)
{
mUserLearnedDrawer=true;
savedPreferences(getActivity(),KEY_USER_LEARNED_DRAWER,mUserLearnedDrawer+"");
//Save this value into our Key to indicate that user has seen drawer
}
getActivity().invalidateOptionsMenu();//It creates Actionbar again when drawer toggles
}
@Override
public void onDrawerClosed(View drawerView) {
super.onDrawerClosed(drawerView);
getActivity().invalidateOptionsMenu();
}
};
if(!mUserLearnedDrawer && !mFromSavedInstanceState)
{
mDrawerLayout.openDrawer(containerView);
}
mDrawerLayout.setDrawerListener(mDrawerToggle);
}
public static void savedPreferences(Context context,String prefName,String prefValue){
SharedPreferences sharedPrefs=context.getSharedPreferences(PREF_FILE_NAME,Context.MODE_PRIVATE);
SharedPreferences.Editor editor=sharedPrefs.edit();
editor.putString(prefName,prefValue);
/*editor.commit();*///It wait for the operation to become successful
editor.apply();//It doesn't wait for the operation to become successful
}
public static String readFromPrefs(Context context,String prefName,String prefDefaultValue){
SharedPreferences getPrefs=context.getSharedPreferences(PREF_FILE_NAME,Context.MODE_PRIVATE);
return getPrefs.getString(prefName,prefDefaultValue);
}
}
activity_main.xml
<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<include
android:id="@+id/app_bar"
layout="@layout/app_bar"></include>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/app_bar"
android:text="@string/hello_world" />
</RelativeLayout>
<fragment
android:id="@+id/drawer_fragment"
android:name="com.tifinnearme.priteshpatel.materialdrawer.NavigationFragment"
android:layout_width="240dp"
android:layout_height="match_parent"
android:layout_gravity="start"
app:layout="@layout/fragment_navigation"
tools:layout="@layout/fragment_navigation" />
</android.support.v4.widget.DrawerLayout>
EDIT: Duplicate question doesn't resolved my problem. I'm still having the same problem.If anyone could help with this, than it'd be great. thanks!
