StackOverflow2013

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POAndroid: NoClassDefFoundError
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copied!<p>I have a project in which, when a particular activity is called from an explicit intent, i have a crash followed by this type of error. The fact that i don't understand is how on devices with android 4.0 or higher everything works fine. I have tried to run the application on android 2.2 and android 2.3 and i have the crash with this error. The activity that causes the crash doesn't require any type of external jars, except for the android-support-v4 one. I have tried to think some several solutions, for example the compatibility of fragment api (but there is the support-v4 for this, right?), but i haven't found anything that can help me. Do you have some suugestions for my problem? Thanks in advance!</p> <p>E/dalvikvm(278): Could not find class 'com.example.MainActivity', referenced from method com.example.SplashActivity$1.handleMessage</p> <p>E/AndroidRuntime(278): java.lang.NoClassDefFoundError: com.example.MainActivity</p> <p>E/AndroidRuntime(278): at com.example.SplashActivity$1.handleMessage(SplashActivity.java:53)</p> <p>E/AndroidRuntime(278): at android.os.Handler.dispatchMessage(Handler.java:99)</p> <p>E/AndroidRuntime(278): at android.os.Looper.loop(Looper.java:123)</p> <p>E/AndroidRuntime(278): at android.app.ActivityThread.main(ActivityThread.java:4627)</p> <p>E/AndroidRuntime(278): at java.lang.reflect.Method.invokeNative(Native Method)</p> <p>E/AndroidRuntime(278): at java.lang.reflect.Method.invoke(Method.java:521)</p> <p>E/AndroidRuntime(278): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)</p> <p>E/AndroidRuntime(278): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)</p> <p>E/AndroidRuntime(278): at dalvik.system.NativeStart.main(Native Method)</p> <pre><code>import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.OutputStream; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Date; import android.annotation.SuppressLint; import android.app.ActionBar; import android.content.Context; import android.content.Intent; import android.content.SharedPreferences; import android.content.SharedPreferences.Editor; import android.content.pm.ActivityInfo; import android.content.res.Configuration; import android.content.res.Resources; import android.graphics.Color; import android.graphics.drawable.ColorDrawable; import android.graphics.drawable.Drawable; import android.net.Uri; import android.os.Build; import android.os.Bundle; import android.os.Environment; import android.support.v4.app.FragmentActivity; import android.text.Editable; import android.text.Html; import android.text.TextUtils; import android.text.TextWatcher; import android.view.Gravity; import android.view.Menu; import android.view.MenuItem; import android.view.MenuItem.OnMenuItemClickListener; import android.view.View; import android.view.View.OnClickListener; import android.view.View.OnFocusChangeListener; import android.view.inputmethod.InputMethodManager; import android.webkit.MimeTypeMap; import android.widget.Button; import android.widget.PopupWindow; import android.widget.SearchView; import android.widget.SearchView.OnCloseListener; import android.widget.SearchView.OnQueryTextListener; import android.widget.TextView; import android.widget.Toast; @SuppressLint("NewApi") public class MainActivity extends FragmentActivity implements MenuFragment.OnListSelectedListener,DetailsFragment.OnSaveListener, OnCloseListener, OnQueryTextListener, android.widget.PopupMenu.OnMenuItemClickListener, OnFocusChangeListener, OnMenuItemClickListener,OnClickListener,TextWatcher{ </code></pre>

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