Here is the magazine.
java.lang.NoClassDefFoundError: android.support.v7.app.AppCompatDelegateImplV14 at android.support.v7.app.AppCompatDelegate.create(AppCompatDelegate.java:93) at android.support.v7.app.AppCompatDelegate.create(AppCompatDelegate.java:77) at android.support.v7.app.AppCompatActivity.getDelegate(AppCompatActivity.java:429) at android.support.v7.app.AppCompatActivity.onCreate(AppCompatActivity.java:57) at com.marshall.gruppo.ui.MainScreenActivity.onCreate(MainScreenActivity.java:41) at android.app.Activity.performCreate(Activity.java:5451) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1093) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2377) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2471) at android.app.ActivityThread.access$900(ActivityThread.java:175) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1308) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:146) at android.app.ActivityThread.main(ActivityThread.java:5602) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:515) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1283) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1099) at dalvik.system.NativeStart.main(Native Method)
I also read an article offering a solution ( java.lang.NoClassDefFoundError: android.support.v7.app.AppCompatDelegateImplV14 ). He suggests adding the following to the build.gradle file:
compile 'com.android.support:appcompat-v7:22.2.0'
Actually it was already in the file, and it looks like this is not the original problem. Here is my build.gradle file.
dependencies { compile fileTree(dir: 'libs', include: ['*.jar']) compile 'com.android.support:appcompat-v7:22.2.0' compile project(':volley') compile project(':android-support-v4') }
If you need to look at my code, here is my code that raises NoClassDefFoundError.
public class MainScreenActivity extends AppCompatActivity { private DrawerLayout mDrawerLayout; private ListView mDrawerList; private ActionBarDrawerToggle mDrawerToggle; private CharSequence mDrawerTitle; private CharSequence mTitle; private String[] navMenuTitles; private TypedArray navMenuIcons; private ArrayList<NavDrawerItem> navDrawerItems; private NavDrawerListAdapter adapter; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_mainscreen); mTitle = mDrawerTitle = getTitle(); navMenuTitles = getResources().getStringArray(R.array.drawermenu_items); navMenuIcons = getResources() .obtainTypedArray(R.array.drawermenu_icons); mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout); mDrawerList = (ListView) findViewById(R.id.list_slidermenu); navDrawerItems = new ArrayList<NavDrawerItem>(); navDrawerItems.add(new NavDrawerItem(navMenuTitles[0], navMenuIcons.getResourceId(0, -1))); navDrawerItems.add(new NavDrawerItem(navMenuTitles[1], navMenuIcons.getResourceId(1, -1))); navDrawerItems.add(new NavDrawerItem(navMenuTitles[2], navMenuIcons.getResourceId(2, -1))); navDrawerItems.add(new NavDrawerItem(navMenuTitles[3], navMenuIcons.getResourceId(3, -1), true, "22")); navDrawerItems.add(new NavDrawerItem(navMenuTitles[4], navMenuIcons.getResourceId(4, -1))); navDrawerItems.add(new NavDrawerItem(navMenuTitles[5], navMenuIcons.getResourceId(5, -1), true, "50+")); navMenuIcons.recycle(); mDrawerList.setOnItemClickListener(new SlideMenuClickListener()); adapter = new NavDrawerListAdapter(getApplicationContext(), navDrawerItems); mDrawerList.setAdapter(adapter); getSupportActionBar().setDisplayHomeAsUpEnabled(true); getSupportActionBar().setHomeButtonEnabled(true); mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, R.string.app_name, R.string.app_name) { public void onDrawerClosed(View view) { getSupportActionBar().setTitle(mTitle); invalidateOptionsMenu(); } public void onDrawerOpened(View drawerView) { getSupportActionBar().setTitle(mDrawerTitle); invalidateOptionsMenu(); } }; mDrawerLayout.setDrawerListener(mDrawerToggle); if (savedInstanceState == null) { displayView(0); } }
Here's an additional error log. There may be a hint of a solution.
07-06 17:50:03.056 27850-27850/com.marshall.gruppo E/dalvikvm﹕ Could not find class 'android.support.v7.app.AppCompatDelegateImplV14', referenced from method android.support.v7.app.AppCompatDelegate.create 07-06 17:50:03.056 27850-27850/com.marshall.gruppo E/dalvikvm﹕ Could not find class 'android.support.v7.app.AppCompatDelegateImplV11', referenced from method android.support.v7.app.AppCompatDelegate.create 07-06 17:50:03.056 27850-27850/com.marshall.gruppo E/dalvikvm﹕ Could not find class 'android.support.v7.app.AppCompatDelegateImplV7', referenced from method android.support.v7.app.AppCompatDelegate.create
and here is the xml file for activity.
<?xml version="1.0" encoding="UTF-8"?> <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/frame_container" android:layout_width="match_parent" android:layout_height="match_parent" /> <ListView android:id="@+id/list_slidermenu" android:layout_width="240dp" android:layout_height="match_parent" android:layout_gravity="start" android:choiceMode="singleChoice" android:divider="@color/list_divider" android:dividerHeight="1dp" android:listSelector="@drawable/list_selector" android:background="@color/list_background"/>