java - Android java Binder 失败的 Binder 交易

Question

我有下一个问题，我正在创建自定义适配器的 ListView ，我正在使用异步任务从 JSON url(文本和图像 url)下载适配器的数据，然后我将适配器设置为列表，我使用毕加索库下载图像，现在我的应用程序工作正常，它不会崩溃但是当我开始另一个 Activity 时我得到这个:

E/JavaBinder:!!!失败的 BINDER 交易 !!!

即使新 Activity 为空，我也会收到错误，我使用的是 moto G。我已经使用 DDMS 和 Eclipse MAT 分析了堆，但我没有发现我的代码是否导致内存泄漏。多次从一项 Activity 更改为另一项 Activity ，我在 logcat 中得到了这个:

09-04 10:37:54.827  30603-30603/mx.f403.whimlike E/JavaBinder﹕ !!! FAILED BINDER TRANSACTION !!!
09-04 10:38:01.793  30603-30603/mx.f403.whimlike D/dalvikvm﹕ GC_FOR_ALLOC freed 1178K, 24% free 13642K/17876K, paused 21ms, total 21ms
09-04 10:38:02.939  30603-30603/mx.f403.whimlike E/JavaBinder﹕ !!! FAILED BINDER TRANSACTION !!!
09-04 10:38:07.235  30603-30603/mx.f403.whimlike D/dalvikvm﹕ GC_FOR_ALLOC freed 1008K, 24% free 13657K/17876K, paused 20ms, total 20ms
09-04 10:38:14.484  30603-30603/mx.f403.whimlike E/JavaBinder﹕ !!! FAILED BINDER TRANSACTION !!!
09-04 10:38:15.497  30603-30603/mx.f403.whimlike D/dalvikvm﹕ GC_FOR_ALLOC freed 1065K, 24% free 13656K/17876K, paused 18ms, total 18ms
09-04 10:38:16.371  30603-30603/mx.f403.whimlike E/JavaBinder﹕ !!! FAILED BINDER TRANSACTION !!!
09-04 10:38:16.688  30603-30603/mx.f403.whimlike D/dalvikvm﹕ GC_FOR_ALLOC freed 1007K, 24% free 13628K/17876K, paused 19ms, total 19ms
09-04 10:38:17.491  30603-30603/mx.f403.whimlike E/JavaBinder﹕ !!! FAILED BINDER TRANSACTION !!!
09-04 10:38:17.781  30603-30603/mx.f403.whimlike D/dalvikvm﹕ GC_FOR_ALLOC freed 1020K, 24% free 13653K/17876K, paused 27ms, total 27ms

如您所见，内存堆没有增加，但我以同样的方式得到错误。

我不认为问题出在我为第一个 Activity 下载的位图中，因为我注释了涉及位图的所有代码行，我还注释了 asynctasks 并且问题继续出现，无论如何我'我要让适配器在这里:

    class ClientListAdapter extends BaseAdapter {

    private Context context;
    private ClientList clients;
    private ClientList arrayList;

    public ClientListAdapter(Context context, ClientList clients) {
        this.context = context;
        this.clients = clients;
        this.arrayList = new ClientList();
        this.arrayList.addAll(clients);
    }

@Override
    public View getView(int position, View convertView, ViewGroup parent) {
        Client client = clients.get(position);
        ClientHolder clientHolder = new ClientHolder();

        if(convertView == null){

            LayoutInflater inflater = ((Activity)context).getLayoutInflater();
            convertView = inflater.inflate(R.layout.client_list_item,parent,false);

            clientHolder.clientName = (TextView) convertView.findViewById(R.id.client_name);
            clientHolder.clientImage = (ImageView) convertView.findViewById(R.id.client_image);

            convertView.setTag(clientHolder);
        }
        else{
            clientHolder = (ClientHolder) convertView.getTag();
        }

        if (client != null) {
            clientHolder.clientImage.setImageResource(R.drawable.ic_launcher);
            Picasso.with(context).load(client.getClientImageUrl()).into(clientHolder.clientImage);
            clientHolder.clientName.setText(client.getName());
        }
        return convertView;
    }

    static class ClientHolder{
        TextView clientName;
        ImageView clientImage;
    }

我下载了 Eclipse MAT，它显示了泄漏的可能原因，但我不太明白那是什么意思，这是 Eclipse MAT 的结果:

**Problem Suspect 1**

The class "android.content.res.Resources", loaded by "<system class loader>", occupies 2,968,072 (14.65%) bytes. The memory is accumulated in one instance of "android.util.LongSparseArray[]" loaded by "<system class loader>".

Keywords
android.util.LongSparseArray[]
android.content.res.Resources


  **Problem Suspect 2**

16 instances of "byte[]", loaded by "<system class loader>" occupy 5,860,824 (28.92%) bytes. 

Biggest instances:
•byte[1705600] @ 0x432a2f28 ..........................................y...x...v...v...v...u...t...t...t...t...t...t...t...t...s...s...s...s...r...r...q...q...n...n...n...n...m...m...l...l...l...l...l...l...k...k...j...j...[...[...\...[...\...Y...\...Z...[...Z...\...Z...Z...Y...Z...Z.... - 1,705,616 (8.42%) bytes. 
•byte[1536000] @ 0x42715a48 ................................................................................................................................................................................................................................................................... - 1,536,016 (7.58%) bytes. 
•byte[1500000] @ 0x43751fd0 ..w...x...{...|...|...{...y...x...t...v...s...t...l...h...`...^...J...H...F...F...H...J...I...H...F...F...E...D...C...A...A...@...E...E...E...E...E...E...E...E...F...F...F...E...E...D...D...D...;...;...;...;...;...;...;...;...;...9..~8...9...;...<...;...9.... - 1,500,016 (7.40%) bytes. 
•byte[788544] @ 0x42ab6ab8 ................................................................................................................................................................................................................................................................... - 788,560 (3.89%) bytes. 
•byte[293304] @ 0x426c7e78 ....LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL... - 293,320 (1.45%) bytes. 


Keywords
byte[]

  **Problem Suspect 3**

20 instances of "android.graphics.Bitmap", loaded by "<system class loader>" occupy 3,213,736 (15.86%) bytes. 

Biggest instances:
•android.graphics.Bitmap @ 0x4227b8f0 - 1,127,584 (5.56%) bytes. 
•android.graphics.Bitmap @ 0x42998158 - 640,064 (3.16%) bytes. 
•android.graphics.Bitmap @ 0x42cbf0a8 - 367,296 (1.81%) bytes. 
•android.graphics.Bitmap @ 0x42d21008 - 360,064 (1.78%) bytes. 
•android.graphics.Bitmap @ 0x428e01f8 - 293,368 (1.45%) bytes. 


Keywords
android.graphics.Bitmap


  **Problem Suspect 4**

168 instances of "android.graphics.NinePatch", loaded by "<system class loader>" occupy 2,170,152 (10.71%) bytes. These instances are referenced from one instance of "java.lang.Object[]", loaded by "<system class loader>"

Keywords
java.lang.Object[]
android.graphics.NinePatch

 **Hint 1**

The problem suspects 1 and 4 may be related, because the reference chains to them have a common beginning.

在一些博客中我读到你不应该持有对 Activity 的引用，也许是这样，但我不知道我的代码的哪一部分适用以及如何解决它，这是我的主要 Activity 和我认为问题所在的 fragment :

public class MainActivity extends ActionBarActivity implements LoggedInFragment.SetUserInfoInterface{

    // Constant keys for passing data between Activities
    public static final String CLIENTLINK = "ClientLink";
    public static final String CLIENTID = "ClientId";
    public static final String DEBATEFLAG = "DebateFlag";

    public static final String USERID = "UserId";

    public static final String SHOW_EMAIL_ASSIGN_DIALOG_ADVICE = "Show email assign dialog advice";

    // Constant id's for showing logged in and logged out fragments
    private static final int LOGGED_OUT = 0;
    private static final int LOGGED_IN = 1;
    private static final int SETTINGS = 2;
       private static final int FRAGMENT_COUNT = SETTINGS + 1;

    private Fragment[] fragments = new Fragment[FRAGMENT_COUNT];

    // Flag to know if a fragment is resumed
    private boolean isResumed = false;

    public String userId;

    // Creates a UiHelper to get a call when a session changes
    private UiLifecycleHelper uiHelper;

    // Creates a callback that does shows a fragment depending of the state of the session, this
    // callback calls the function onSessionStateChange.
    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);

        // Set uiHelper to get the callback created previously
        uiHelper = new UiLifecycleHelper(this, callback);
        uiHelper.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        FragmentManager fm = getSupportFragmentManager();
        fragments[LOGGED_OUT] = fm.findFragmentById(R.id.loggedOutFragment);
        fragments[LOGGED_IN] = fm.findFragmentById(R.id.loggedInFragment);
        fragments[SETTINGS] = fm.findFragmentById(R.id.customSettingsFragment);

        FragmentTransaction transaction = fm.beginTransaction();
        for(Fragment fragment : fragments){
            transaction.hide(fragment);
        }
        transaction.commit();
    }

    public boolean isOnline() {
        ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo netInfo = cm.getActiveNetworkInfo();
        return (netInfo != null && netInfo.isConnected());
    }

    private void showFragment(int fragmentIndex, boolean addToBackStack) {
        FragmentManager fm = getSupportFragmentManager();
        FragmentTransaction transaction = fm.beginTransaction();
        for (int i = 0; i < fragments.length; i++) {
            if (i == fragmentIndex) {
                transaction.show(fragments[i]);
            } else {
                transaction.hide(fragments[i]);
            }
        }
        if (addToBackStack) {
            transaction.addToBackStack(null);
        }
        transaction.commit();
    }

    private void onSessionStateChange(Session session, SessionState state, Exception exception) {
        // Only make changes if the activity is visible
        if (isResumed) {
            FragmentManager manager = getSupportFragmentManager();
            // Get the number of entries in the back stack
            int backStackSize = manager.getBackStackEntryCount();
            // Clear the back stack
            for (int i = 0; i < backStackSize; i++) {
                manager.popBackStack();
            }
            if (state.isOpened()) {
                // If the session state is open:
                // Show the authenticated fragment
                showFragment(LOGGED_IN, false);
            } else if (state.isClosed()) {
                // If the session state is closed:
                // Show the login fragment
                showFragment(LOGGED_OUT, false);
            }
        }
    }

    @Override
    protected void onResumeFragments() {
        super.onResumeFragments();
        Session session = Session.getActiveSession();
        if (session != null && session.isOpened()) {
            // if the session is already open,
            // try to show the LoggedInFragment
            showFragment(LOGGED_IN, false);
        } else {
            // otherwise present the LoggedOutFragment
            // and ask the person to login.
            showFragment(LOGGED_OUT, false);
        }
    }

    public void closeSession(){
        Session session = Session.getActiveSession();
        session.close();
    }

    @Override
    public void onResume() {
        super.onResume();
        uiHelper.onResume();
        isResumed = true;
    }

    @Override
    public void onPause() {
        super.onPause();
        uiHelper.onPause();
        isResumed = false;
    }

    @Override
    public void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        uiHelper.onActivityResult(requestCode, resultCode, data);
    }

    @Override
    public void onDestroy() {
        super.onDestroy();
        uiHelper.onDestroy();
    }

    public void showPromptNoInternet() {
        AlertDialog.Builder builder = new AlertDialog.Builder(this);

        builder.setPositiveButton(R.string.button_accept, new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {

            }
        });

        builder.setTitle(getString(R.string.no_internet_dialog_title));
        builder.setMessage(getString(R.string.no_internet_dialog_message));

        AlertDialog dlg = builder.create();
        dlg.show();
    }

    public void showSortDialog(){
        FragmentManager fm = getSupportFragmentManager();
        final LoggedInFragment loggedInFragment = (LoggedInFragment)fm.findFragmentById(R.id.loggedInFragment);
        ArrayAdapter<String> sorting_forms = new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1);
        sorting_forms.add(getString(R.string.sort_ascending_order));
        sorting_forms.add(getString(R.string.sort_descending_order));
            AlertDialog.Builder builder = new AlertDialog.Builder(this);
            builder.setTitle("Ordenar")
                    .setAdapter(sorting_forms, new DialogInterface.OnClickListener() {
                        public void onClick(DialogInterface dialog, int which) {
                            switch (which){
                                case 0:
                                    loggedInFragment.sortClientList("ascend");
                                    break;
                                case 1:
                                    loggedInFragment.sortClientList("descend");
                                    break;
                            }
                        }
                    });
            AlertDialog dlg = builder.create();
        dlg.show();
    }


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu items for use in the action bar
        MenuInflater inflater = getMenuInflater();
        inflater.inflate(R.menu.settings, menu);

        return super.onCreateOptionsMenu(menu);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        FragmentManager fm = getSupportFragmentManager();
        FragmentTransaction transaction = fm.beginTransaction();

        switch(item.getItemId()) {
            case R.id.settings:
                transaction.show(fragments[SETTINGS]);
                transaction.hide(fragments[LOGGED_IN]);
                transaction.addToBackStack(null);
                transaction.commit();
                return true;
            case R.id.action_my_coupons:
                Intent i = new Intent(this, CouponListActivity.class);
                i.putExtra(USERID, userId);
                startActivity(i);
                return true;
            case R.id.view_recent_promotions:
                Intent recentPromoListActivityIntent = new Intent(this, RecentPromotionListActivity.class);
                recentPromoListActivityIntent.putExtra(USERID, userId);
                recentPromoListActivityIntent.putExtra(MainActivity.DEBATEFLAG,false);
                startActivity(recentPromoListActivityIntent);
                return true;
            case R.id.action_sort:
                showSortDialog();
                return true;

            default:
                super.onOptionsItemSelected(item);
        }
        return false;
    }

    @Override
    public void setUserId(String userId) {
        this.userId = userId;
    }
}

和 fragment :

public class LoggedInFragment extends Fragment implements LoadClientsAsyncTask.ClientAsyncResponse, View.OnClickListener{

    public String userId;
    private ClientList clients;
    private ClientListAdapter adapter;
    private ListView clientList;

    private UiLifecycleHelper uiHelper;
    private Session.StatusCallback callback = new Session.StatusCallback() {
        @Override
        public void call(Session session, SessionState state, Exception exception) {
            onSessionStateChange(session, state, exception);
        }
    };

    public SetUserInfoInterface mCallback = null;

    public interface SetUserInfoInterface {
        public void setUserId(String userId);
    }

    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);
        // This makes sure that the container activity has implemented
        // the callback interface. If not, it throws an exception
        try {
            mCallback = (SetUserInfoInterface) activity;
        } catch (ClassCastException e) {
            throw new ClassCastException(activity.toString()
                    + " must implement OnHeadlineSelectedListener");
        }
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        uiHelper = new UiLifecycleHelper(getActivity(),callback);
        uiHelper.onCreate(savedInstanceState);

        Session session = Session.getActiveSession();
        if(session != null){
            makeMeRequest(session);
        }
        Log.d("panda", "Logged in Creado");
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        final View view = (inflater.inflate(R.layout.logged_in, container, false));
        LinearLayout debateLayout = (LinearLayout) view.findViewById(R.id.debate_layout);
        debateLayout.setOnClickListener(this);

        return view;
    }

    @Override
    public void onClick(View v) {
        Intent debatePromoListActivityIntent = new Intent(getActivity(), RecentPromotionListActivity.class);
        debatePromoListActivityIntent.putExtra(MainActivity.USERID, userId);
        debatePromoListActivityIntent.putExtra(MainActivity.DEBATEFLAG,true);
        startActivity(debatePromoListActivityIntent);
    }

    private void onSessionStateChange(Session session, SessionState state, Exception exception){
        // If the session is opened and is not null
        if (session != null && session.isOpened() && ((MainActivity)getActivity()).isOnline()) {
            // Get the user's data
            makeMeRequest(session);
        }
    }

    private void makeMeRequest(final Session session){

        final Request request = Request.newMeRequest(session, new Request.GraphUserCallback() {

            @Override
            public void onCompleted(GraphUser user, Response response) {

                if (session == Session.getActiveSession()) {
                    if (user != null) {
                        userId = user.getId();
                        String userName = user.getName();
                        String userEmail = user.getProperty("email").toString();
                        mCallback.setUserId(userId);
                        postData(userId, userName, userEmail);
                    }
                }
            }
        });
        request.executeAsync();
    }

    private void setListListener(ClientList clients) {
        if (ApplicationCheckActivityVisibility.isActivityVisible()) {
            adapter = new ClientListAdapter(getActivity(),R.layout.client_list_item,clients);
            View view = getView();
            clientList = (ListView) view.findViewById(R.id.clients_list);
            clientList.setAdapter(adapter);
            clientList.setOnItemClickListener(new AdapterView.OnItemClickListener() {
                @Override
                public void onItemClick(AdapterView<?> adapter, View view, int position, long id) {
                    Client chosenClient = (Client) clientList.getItemAtPosition(position);
                    String clientLink = chosenClient.getLink();
                    String clientId = chosenClient.getId();
                    Intent i = new Intent(getActivity(), PromoListActivity.class);
                    i.putExtra(MainActivity.CLIENTLINK, clientLink);
                    i.putExtra(MainActivity.CLIENTID, clientId);
                    i.putExtra(MainActivity.USERID, userId);
                    startActivity(i);
                }
            });
        }
    }

    public void sortClientList(String form){
        if(form.matches("ascend")){
            Collections.sort(clients, ClientAscComparator);
        }
        else if(form.matches("descend")){
            Collections.sort(clients, ClientDescComparator);
        }
        adapter.notifyDataSetChanged();
    }

    public Comparator<Client> ClientAscComparator = new Comparator<Client>() {

        public int compare(Client client1, Client client2) {

            String clientName1 = client1.getName();
            String clientName2 = client2.getName();

            return clientName1.compareTo(clientName2);
        }
    };

    public Comparator<Client> ClientDescComparator = new Comparator<Client>() {

        public int compare(Client client1, Client client2) {

            String clientName1 = client1.getName();
            String clientName2 = client2.getName();

            return clientName2.compareTo(clientName1);
        }
    };

    @Override
    public void processFinish(ClientList clients) {

        View view = getView();

        if(view != null) {
            RelativeLayout loadingPanel = (RelativeLayout) view.findViewById(R.id.loading_panel);
            loadingPanel.setVisibility(View.GONE);
        }

        if(clients != null){
            this.clients = clients;
            setListListener(clients);
        }
        else{
            Toast.makeText(getActivity(), R.string.no_restaurants_right_now, Toast.LENGTH_SHORT).show();
        }
    }

    public void postData(String userId,String userName,String userEmail){
        if(((MainActivity)getActivity()).isOnline()) {
            HttpPostAsyncTask httpPostAsyncTask = new HttpPostAsyncTask(userId, userName, userEmail, getFragmentManager());
            httpPostAsyncTask.execute();
        }
        else
        {
            ((MainActivity)getActivity()).showPromptNoInternet();
        }
    }

    @Override
    public void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        uiHelper.onActivityResult(requestCode, resultCode, data);
    }

    @Override
    public void onResume() {
        super.onResume();

        ApplicationCheckActivityVisibility.activityResumed();

        if(((MainActivity)getActivity()).isOnline()) {
            LoadClientsAsyncTask asyncTask = new LoadClientsAsyncTask();
            asyncTask.delegate = this;
            asyncTask.execute();
        }
        else
        {
            ((MainActivity)getActivity()).showPromptNoInternet();
        }
        uiHelper.onResume();
    }

    @Override
    public void onSaveInstanceState(Bundle bundle) {
        super.onSaveInstanceState(bundle);
        uiHelper.onSaveInstanceState(bundle);
    }

    @Override
    public void onPause() {
        super.onPause();
        ApplicationCheckActivityVisibility.activityPaused();
        uiHelper.onPause();
    }

    @Override
    public void onDestroy() {
        super.onDestroy();
        uiHelper.onDestroy();
    }
}

当应用程序调用一个 Intent 并进入其他 Activity 时会出现错误，所以我认为我没有正确清理第一个 Activity 的内存并且堆在其中两个中累积导致错误。但是正如您在 logcat 中看到的那样，当我从一个 Activity 更改为另一个 Activity 时，内存堆是稳定的并且不会增加。有时我也会这样:

I/dalvikvm﹕ threadid=3: reacting to signal 3

更新:我观察到的另一件事是，我在三星 ACE、Moto Razr Z3 和 Galaxy Tab 2 中运行代码，即使这些设备的内存比 Moto g 少，也没有出现错误，这可能是错误或错误摩托克？

Answer 1

一个包可以包含多少数据有一些限制。如果您的 bundle 或 intent extras 太大，您可能会收到此错误。您是否将数据传递到一个包中？