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  1. POAndroid emulator unfortunately HelloFacebookSample has stopped
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    <p>I am a new to android APP. I download facebook sdk for android (<a href="https://developers.facebook.com/android/" rel="nofollow">https://developers.facebook.com/android/</a>). Everything is fine except running in emulator. Everything samples in SDK cannot rightly be ran and a error of "unfortualtely, XXX has stopped" is popped. Could someone meet similar problems? Thanks. Here is the log in LogCat:</p> <pre><code>06-02 16:33:41.165: D/dalvikvm(536): Not late-enabling CheckJNI (already on) 06-02 16:33:41.425: I/dalvikvm(536): Turning on JNI app bug workarounds for target SDK version 8... 06-02 16:33:41.715: W/dalvikvm(536): Unable to resolve superclass of Lcom/facebook/samples/hellofacebook/HelloFacebookSampleActivity; (59) 06-02 16:33:41.715: W/dalvikvm(536): Link of class 'Lcom/facebook/samples/hellofacebook/HelloFacebookSampleActivity;' failed 06-02 16:33:41.715: D/AndroidRuntime(536): Shutting down VM 06-02 16:33:41.715: W/dalvikvm(536): threadid=1: thread exiting with uncaught exception (group=0x409c01f8) 06-02 16:33:41.755: E/AndroidRuntime(536): FATAL EXCEPTION: main 06-02 16:33:41.755: E/AndroidRuntime(536): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.facebook.samples.hellofacebook/com.facebook.samples.hellofacebook.HelloFacebookSampleActivity}: java.lang.ClassNotFoundException: com.facebook.samples.hellofacebook.HelloFacebookSampleActivity 06-02 16:33:41.755: E/AndroidRuntime(536): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1880) 06-02 16:33:41.755: E/AndroidRuntime(536): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981) 06-02 16:33:41.755: E/AndroidRuntime(536): at android.app.ActivityThread.access$600(ActivityThread.java:123) 06-02 16:33:41.755: E/AndroidRuntime(536): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147) 06-02 16:33:41.755: E/AndroidRuntime(536): at android.os.Handler.dispatchMessage(Handler.java:99) 06-02 16:33:41.755: E/AndroidRuntime(536): at android.os.Looper.loop(Looper.java:137) 06-02 16:33:41.755: E/AndroidRuntime(536): at android.app.ActivityThread.main(ActivityThread.java:4424) 06-02 16:33:41.755: E/AndroidRuntime(536): at java.lang.reflect.Method.invokeNative(Native Method) 06-02 16:33:41.755: E/AndroidRuntime(536): at java.lang.reflect.Method.invoke(Method.java:511) 06-02 16:33:41.755: E/AndroidRuntime(536): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784) 06-02 16:33:41.755: E/AndroidRuntime(536): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551) 06-02 16:33:41.755: E/AndroidRuntime(536): at dalvik.system.NativeStart.main(Native Method) 06-02 16:33:41.755: E/AndroidRuntime(536): Caused by: java.lang.ClassNotFoundException: com.facebook.samples.hellofacebook.HelloFacebookSampleActivity 06-02 16:33:41.755: E/AndroidRuntime(536): at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:61) 06-02 16:33:41.755: E/AndroidRuntime(536): at java.lang.ClassLoader.loadClass(ClassLoader.java:501) 06-02 16:33:41.755: E/AndroidRuntime(536): at java.lang.ClassLoader.loadClass(ClassLoader.java:461) 06-02 16:33:41.755: E/AndroidRuntime(536): at android.app.Instrumentation.newActivity(Instrumentation.java:1023) 06-02 16:33:41.755: E/AndroidRuntime(536): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1871) 06-02 16:33:41.755: E/AndroidRuntime(536): ... 11 more 06-02 16:33:42.365: I/dalvikvm(536): threadid=3: reacting to signal 3 06-02 16:33:42.375: I/dalvikvm(536): Wrote stack traces to '/data/anr/traces.txt' 06-02 16:33:42.875: I/dalvikvm(536): threadid=3: reacting to signal 3 06-02 16:33:42.885: I/dalvikvm(536): Wrote stack traces to '/data/anr/traces.txt' </code></pre> <p>Here is the manifest:</p> <p></p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.facebook.samples.hellofacebook" android:versionCode="1" android:versionName="1.0"&gt; &lt;uses-sdk android:minSdkVersion="8"/&gt; &lt;uses-permission android:name="android.permission.INTERNET"/&gt; &lt;uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/&gt; &lt;application android:label="@string/app_name" android:icon="@drawable/icon" android:theme="@android:style/Theme.NoTitleBar" &gt; &lt;activity android:name=".HelloFacebookSampleActivity" android:label="@string/app_name" android:windowSoftInputMode="adjustResize"&gt; &lt;intent-filter&gt; &lt;action android:name="android.intent.action.MAIN"/&gt; &lt;category android:name="android.intent.category.LAUNCHER"/&gt; &lt;/intent-filter&gt; &lt;/activity&gt; &lt;activity android:name="com.facebook.LoginActivity" android:theme="@android:style/Theme.Translucent.NoTitleBar" android:label="@string/app_name" /&gt; &lt;meta-data android:name="com.facebook.sdk.ApplicationId" android:value="@string/app_id"/&gt; &lt;/application&gt; &lt;/manifest&gt; </code></pre> <p>Here is the source code:</p> <pre><code>/** * Copyright 2012 Facebook * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.facebook.samples.hellofacebook; import android.app.AlertDialog; import android.content.Intent; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.location.Location; import android.os.Bundle; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentActivity; import android.support.v4.app.FragmentManager; import android.text.TextUtils; import android.view.View; import android.view.ViewGroup; import android.widget.Button; import android.widget.TextView; import com.facebook.*; import com.facebook.model.GraphObject; import com.facebook.model.GraphPlace; import com.facebook.model.GraphUser; import com.facebook.widget.*; import java.util.*; public class HelloFacebookSampleActivity extends FragmentActivity { private static final List&lt;String&gt; PERMISSIONS = Arrays.asList("publish_actions"); private static final Location SEATTLE_LOCATION = new Location("") { { setLatitude(47.6097); setLongitude(-122.3331); } }; private final String PENDING_ACTION_BUNDLE_KEY = "com.facebook.samples.hellofacebook:PendingAction"; private Button postStatusUpdateButton; private Button postPhotoButton; private Button pickFriendsButton; private Button pickPlaceButton; private LoginButton loginButton; private ProfilePictureView profilePictureView; private TextView greeting; private PendingAction pendingAction = PendingAction.NONE; private ViewGroup controlsContainer; private GraphUser user; private enum PendingAction { NONE, POST_PHOTO, POST_STATUS_UPDATE } private UiLifecycleHelper uiHelper; private Session.StatusCallback callback = new Session.StatusCallback() { @Override public void call(Session session, SessionState state, Exception exception) { onSessionStateChange(session, state, exception); } }; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); uiHelper = new UiLifecycleHelper(this, callback); uiHelper.onCreate(savedInstanceState); if (savedInstanceState != null) { String name = savedInstanceState.getString(PENDING_ACTION_BUNDLE_KEY); pendingAction = PendingAction.valueOf(name); } setContentView(R.layout.main); loginButton = (LoginButton) findViewById(R.id.login_button); loginButton.setUserInfoChangedCallback(new LoginButton.UserInfoChangedCallback() { @Override public void onUserInfoFetched(GraphUser user) { HelloFacebookSampleActivity.this.user = user; updateUI(); // It's possible that we were waiting for this.user to be populated in order to post a // status update. handlePendingAction(); } }); profilePictureView = (ProfilePictureView) findViewById(R.id.profilePicture); greeting = (TextView) findViewById(R.id.greeting); postStatusUpdateButton = (Button) findViewById(R.id.postStatusUpdateButton); postStatusUpdateButton.setOnClickListener(new View.OnClickListener() { public void onClick(View view) { onClickPostStatusUpdate(); } }); postPhotoButton = (Button) findViewById(R.id.postPhotoButton); postPhotoButton.setOnClickListener(new View.OnClickListener() { public void onClick(View view) { onClickPostPhoto(); } }); pickFriendsButton = (Button) findViewById(R.id.pickFriendsButton); pickFriendsButton.setOnClickListener(new View.OnClickListener() { public void onClick(View view) { onClickPickFriends(); } }); pickPlaceButton = (Button) findViewById(R.id.pickPlaceButton); pickPlaceButton.setOnClickListener(new View.OnClickListener() { public void onClick(View view) { onClickPickPlace(); } }); controlsContainer = (ViewGroup) findViewById(R.id.main_ui_container); final FragmentManager fm = getSupportFragmentManager(); Fragment fragment = fm.findFragmentById(R.id.fragment_container); if (fragment != null) { // If we're being re-created and have a fragment, we need to a) hide the main UI controls and // b) hook up its listeners again. controlsContainer.setVisibility(View.GONE); if (fragment instanceof FriendPickerFragment) { setFriendPickerListeners((FriendPickerFragment) fragment); } else if (fragment instanceof PlacePickerFragment) { setPlacePickerListeners((PlacePickerFragment) fragment); } } // Listen for changes in the back stack so we know if a fragment got popped off because the user // clicked the back button. fm.addOnBackStackChangedListener(new FragmentManager.OnBackStackChangedListener() { @Override public void onBackStackChanged() { if (fm.getBackStackEntryCount() == 0) { // We need to re-show our UI. controlsContainer.setVisibility(View.VISIBLE); } } }); } @Override protected void onResume() { super.onResume(); uiHelper.onResume(); updateUI(); } @Override protected void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); uiHelper.onSaveInstanceState(outState); outState.putString(PENDING_ACTION_BUNDLE_KEY, pendingAction.name()); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); uiHelper.onActivityResult(requestCode, resultCode, data); } @Override public void onPause() { super.onPause(); uiHelper.onPause(); } @Override public void onDestroy() { super.onDestroy(); uiHelper.onDestroy(); } private void onSessionStateChange(Session session, SessionState state, Exception exception) { if (pendingAction != PendingAction.NONE &amp;&amp; (exception instanceof FacebookOperationCanceledException || exception instanceof FacebookAuthorizationException)) { new AlertDialog.Builder(HelloFacebookSampleActivity.this) .setTitle(R.string.cancelled) .setMessage(R.string.permission_not_granted) .setPositiveButton(R.string.ok, null) .show(); pendingAction = PendingAction.NONE; } else if (state == SessionState.OPENED_TOKEN_UPDATED) { handlePendingAction(); } updateUI(); } private void updateUI() { Session session = Session.getActiveSession(); boolean enableButtons = (session != null &amp;&amp; session.isOpened()); postStatusUpdateButton.setEnabled(enableButtons); postPhotoButton.setEnabled(enableButtons); pickFriendsButton.setEnabled(enableButtons); pickPlaceButton.setEnabled(enableButtons); if (enableButtons &amp;&amp; user != null) { profilePictureView.setProfileId(user.getId()); greeting.setText(getString(R.string.hello_user, user.getFirstName())); } else { profilePictureView.setProfileId(null); greeting.setText(null); } } @SuppressWarnings("incomplete-switch") private void handlePendingAction() { PendingAction previouslyPendingAction = pendingAction; // These actions may re-set pendingAction if they are still pending, but we assume they // will succeed. pendingAction = PendingAction.NONE; switch (previouslyPendingAction) { case POST_PHOTO: postPhoto(); break; case POST_STATUS_UPDATE: postStatusUpdate(); break; } } private interface GraphObjectWithId extends GraphObject { String getId(); } private void showPublishResult(String message, GraphObject result, FacebookRequestError error) { String title = null; String alertMessage = null; if (error == null) { title = getString(R.string.success); String id = result.cast(GraphObjectWithId.class).getId(); alertMessage = getString(R.string.successfully_posted_post, message, id); } else { title = getString(R.string.error); alertMessage = error.getErrorMessage(); } new AlertDialog.Builder(this) .setTitle(title) .setMessage(alertMessage) .setPositiveButton(R.string.ok, null) .show(); } private void onClickPostStatusUpdate() { performPublish(PendingAction.POST_STATUS_UPDATE); } private void postStatusUpdate() { if (user != null &amp;&amp; hasPublishPermission()) { final String message = getString(R.string.status_update, user.getFirstName(), (new Date().toString())); Request request = Request .newStatusUpdateRequest(Session.getActiveSession(), message, new Request.Callback() { @Override public void onCompleted(Response response) { showPublishResult(message, response.getGraphObject(), response.getError()); } }); request.executeAsync(); } else { pendingAction = PendingAction.POST_STATUS_UPDATE; } } private void onClickPostPhoto() { performPublish(PendingAction.POST_PHOTO); } private void postPhoto() { if (hasPublishPermission()) { Bitmap image = BitmapFactory.decodeResource(this.getResources(), R.drawable.icon); Request request = Request.newUploadPhotoRequest(Session.getActiveSession(), image, new Request.Callback() { @Override public void onCompleted(Response response) { showPublishResult(getString(R.string.photo_post), response.getGraphObject(), response.getError()); } }); request.executeAsync(); } else { pendingAction = PendingAction.POST_PHOTO; } } private void showPickerFragment(PickerFragment&lt;?&gt; fragment) { fragment.setOnErrorListener(new PickerFragment.OnErrorListener() { @Override public void onError(PickerFragment&lt;?&gt; pickerFragment, FacebookException error) { showAlert(getString(R.string.error), error.getMessage()); } }); FragmentManager fm = getSupportFragmentManager(); fm.beginTransaction() .replace(R.id.fragment_container, fragment) .addToBackStack(null) .commit(); controlsContainer.setVisibility(View.GONE); // We want the fragment fully created so we can use it immediately. fm.executePendingTransactions(); fragment.loadData(false); } private void onClickPickFriends() { final FriendPickerFragment fragment = new FriendPickerFragment(); setFriendPickerListeners(fragment); showPickerFragment(fragment); } private void setFriendPickerListeners(final FriendPickerFragment fragment) { fragment.setOnDoneButtonClickedListener(new FriendPickerFragment.OnDoneButtonClickedListener() { @Override public void onDoneButtonClicked(PickerFragment&lt;?&gt; pickerFragment) { onFriendPickerDone(fragment); } }); } private void onFriendPickerDone(FriendPickerFragment fragment) { FragmentManager fm = getSupportFragmentManager(); fm.popBackStack(); String results = ""; Collection&lt;GraphUser&gt; selection = fragment.getSelection(); if (selection != null &amp;&amp; selection.size() &gt; 0) { ArrayList&lt;String&gt; names = new ArrayList&lt;String&gt;(); for (GraphUser user : selection) { names.add(user.getName()); } results = TextUtils.join(", ", names); } else { results = getString(R.string.no_friends_selected); } showAlert(getString(R.string.you_picked), results); } private void onPlacePickerDone(PlacePickerFragment fragment) { FragmentManager fm = getSupportFragmentManager(); fm.popBackStack(); String result = ""; GraphPlace selection = fragment.getSelection(); if (selection != null) { result = selection.getName(); } else { result = getString(R.string.no_place_selected); } showAlert(getString(R.string.you_picked), result); } private void onClickPickPlace() { final PlacePickerFragment fragment = new PlacePickerFragment(); fragment.setLocation(SEATTLE_LOCATION); fragment.setTitleText(getString(R.string.pick_seattle_place)); setPlacePickerListeners(fragment); showPickerFragment(fragment); } private void setPlacePickerListeners(final PlacePickerFragment fragment) { fragment.setOnDoneButtonClickedListener(new PlacePickerFragment.OnDoneButtonClickedListener() { @Override public void onDoneButtonClicked(PickerFragment&lt;?&gt; pickerFragment) { onPlacePickerDone(fragment); } }); fragment.setOnSelectionChangedListener(new PlacePickerFragment.OnSelectionChangedListener() { @Override public void onSelectionChanged(PickerFragment&lt;?&gt; pickerFragment) { if (fragment.getSelection() != null) { onPlacePickerDone(fragment); } } }); } private void showAlert(String title, String message) { new AlertDialog.Builder(this) .setTitle(title) .setMessage(message) .setPositiveButton(R.string.ok, null) .show(); } private boolean hasPublishPermission() { Session session = Session.getActiveSession(); return session != null &amp;&amp; session.getPermissions().contains("publish_actions"); } private void performPublish(PendingAction action) { Session session = Session.getActiveSession(); if (session != null) { pendingAction = action; if (hasPublishPermission()) { // We can do the action right away. handlePendingAction(); } else { // We need to get new permissions, then complete the action when we get called back. session.requestNewPublishPermissions(new Session.NewPermissionsRequest(this, PERMISSIONS)); } } } } </code></pre>
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    1. COCould you post your manifest please?
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    2. COcheck whether your activity is registered in manifest
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    3. COI showed my manifest just above. I tried v3.0.1 and v3.0 and both have the same problem.
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      1. USkwunlyou
 

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