I am to develop Android NavigationDrawer using ActionBarSherlock. My Manifest API Level is 8. I have used all the packages from Sherlock but still i am facing some annoying errors.
JAVA Code-:
package com.example.android.navigationdrawerexample;
import java.util.Locale;
import com.actionbarsherlock.app.SherlockActivity;
import com.actionbarsherlock.app.SherlockFragment;
import com.actionbarsherlock.app.SherlockFragmentActivity;
import android.app.Activity;
import android.app.Fragment;
import android.app.FragmentManager;
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.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.view.LayoutInflater;
import android.view.View;
import com.actionbarsherlock.view.Menu;
import com.actionbarsherlock.view.MenuItem;
import com.actionbarsherlock.view.MenuInflater;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.Toast;
public class MainActivity extends SherlockFragmentActivity {
private DrawerLayout mDrawerLayout;
private ListView mDrawerList;
private ActionBarDrawerToggle mDrawerToggle;
private CharSequence mDrawerTitle;
private CharSequence mTitle;
private String[] mPlanetTitles;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mTitle = mDrawerTitle = getTitle();
mPlanetTitles = getResources().getStringArray(R.array.planets_array);
mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
mDrawerList = (ListView) findViewById(R.id.left_drawer);
// set a custom shadow that overlays the main content when the drawer opens
mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START);
// set up the drawer's list view with items and click listener
mDrawerList.setAdapter(new ArrayAdapter<String>(this,
R.layout.drawer_list_item, mPlanetTitles));
mDrawerList.setOnItemClickListener(new DrawerItemClickListener());
// enable ActionBar app icon to behave as action to toggle nav drawer
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
getSupportActionBar().setHomeButtonEnabled(true);
// ActionBarDrawerToggle ties together the the proper interactions
// between the sliding drawer and the action bar app icon
mDrawerToggle = new ActionBarDrawerToggle(
this, /* host Activity */
mDrawerLayout, /* 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) {
supportInvalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
}
public void onDrawerOpened(View drawerView) {
supportInvalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
}
};
mDrawerLayout.setDrawerListener(mDrawerToggle);
if (savedInstanceState == null) {
selectItem(0);
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getSupportMenuInflater();
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 = mDrawerLayout.isDrawerOpen(mDrawerList);
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.
// 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, getSupportActionBar().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);
}
}
/* The click listner 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) {
// update the main content by replacing fragments
SherlockFragment fragment = new PlanetFragment();
Bundle args = new Bundle();
args.putInt(PlanetFragment.ARG_PLANET_NUMBER, position);
fragment.setArguments(args);
android.support.v4.app.FragmentManager fragmentManager = getSupportFragmentManager();
android.support.v4.app.FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
fragmentTransaction.replace(R.id.content_frame, fragment).commit();
// update selected item and title, then close the drawer
mDrawerList.setItemChecked(position, true);
setTitle(mPlanetTitles[position]);
mDrawerLayout.closeDrawer(mDrawerList);
}
@Override
public void setTitle(CharSequence title) {
mTitle = title;
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);
}
/**
* Fragment that appears in the "content_frame", shows a planet
*/
public static class PlanetFragment extends SherlockFragment {
public static final String ARG_PLANET_NUMBER = "planet_number";
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragment_planet, container, false);
int i = getArguments().getInt(ARG_PLANET_NUMBER);
String planet = getResources().getStringArray(R.array.planets_array)[i];
int imageId = getResources().getIdentifier(planet.toLowerCase(Locale.getDefault()),
"drawable", getActivity().getPackageName());
((ImageView) rootView.findViewById(R.id.image)).setImageResource(imageId);
getActivity().setTitle(planet);
return rootView;
}
}}
Manifest File-:
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.android.navigationdrawerexample"
android:versionCode="1"
android:versionName="1.0">
<uses-sdk android:minSdkVersion="8" android:targetSdkVersion="16" />
<application
android:label="@string/app_name"
android:icon="@drawable/ic_launcher">
<activity
android:name=".MainActivity"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
Error Facing-:
03-05 22:56:52.289: E/AndroidRuntime(13066):
FATAL EXCEPTION: main
03-05 22:56:52.289: E/AndroidRuntime(13066): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.example.android.navigationdrawerexample/com.example.android.navigationdrawerexample.MainActivity}: java.lang.ClassNotFoundException: com.example.android.navigationdrawerexample.MainActivity in loader dalvik.system.PathClassLoader[/data/app/com.example.android.navigationdrawerexample-2.apk]
03-05 22:56:52.289: E/AndroidRuntime(13066): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1573)
03-05 22:56:52.289: E/AndroidRuntime(13066): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1667)
03-05 22:56:52.289: E/AndroidRuntime(13066): at android.app.ActivityThread.access$1500(ActivityThread.java:117)
03-05 22:56:52.289: E/AndroidRuntime(13066): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:935)
03-05 22:56:52.289: E/AndroidRuntime(13066): at android.os.Handler.dispatchMessage(Handler.java:99)
03-05 22:56:52.289: E/AndroidRuntime(13066): at android.os.Looper.loop(Looper.java:130)
03-05 22:56:52.289: E/AndroidRuntime(13066): at android.app.ActivityThread.main(ActivityThread.java:3687)
03-05 22:56:52.289: E/AndroidRuntime(13066): at java.lang.reflect.Method.invokeNative(Native Method)
03-05 22:56:52.289: E/AndroidRuntime(13066): at java.lang.reflect.Method.invoke(Method.java:507)
03-05 22:56:52.289: E/AndroidRuntime(13066): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:867)
03-05 22:56:52.289: E/AndroidRuntime(13066): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:625)
03-05 22:56:52.289: E/AndroidRuntime(13066): at dalvik.system.NativeStart.main(Native Method)
03-05 22:56:52.289: E/AndroidRuntime(13066):
Caused by: java.lang.ClassNotFoundException: com.example.android.navigationdrawerexample.MainActivity in loader dalvik.system.PathClassLoader[/data/app/com.example.android.navigationdrawerexample-2.apk]
03-05 22:56:52.289: E/AndroidRuntime(13066): at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:240)
03-05 22:56:52.289: E/AndroidRuntime(13066): at java.lang.ClassLoader.loadClass(ClassLoader.java:551)
03-05 22:56:52.289: E/AndroidRuntime(13066): at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
03-05 22:56:52.289: E/AndroidRuntime(13066): at android.app.Instrumentation.newActivity(Instrumentation.java:1021)
03-05 22:56:52.289: E/AndroidRuntime(13066): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1565)
03-05 22:56:52.289: E/AndroidRuntime(13066): ... 11 more
This is the above error I am facing in my error. The error in the Logcat is also not clear. Please give some solution so that I can develop a NavigationDrawer for API Level 8 or for older Android versions.
