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https://github.com/moparisthebest/k-9
synced 2024-11-27 11:42:16 -05:00
Avoid race condition that can lead to a NullPointerException
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parent
f11f0fcc9b
commit
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@ -129,12 +129,12 @@ public class ContactPictureLoader {
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} else if (cancelPotentialWork(email, badge)) {
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// Query the contacts database in a background thread and try to load the contact
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// picture, if there is one.
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ContactPictureRetrievalTask task = new ContactPictureRetrievalTask(badge);
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ContactPictureRetrievalTask task = new ContactPictureRetrievalTask(badge, address);
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AsyncDrawable asyncDrawable = new AsyncDrawable(mResources,
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calculateFallbackBitmap(address), task);
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badge.setImageDrawable(asyncDrawable);
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try {
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task.exec(address.getAddress(), address.getPersonal());
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task.exec();
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} catch (RejectedExecutionException e) {
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// We flooded the thread pool queue... use a fallback picture
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badge.setImageBitmap(calculateFallbackBitmap(address));
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@ -250,15 +250,16 @@ public class ContactPictureLoader {
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/**
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* Load a contact picture in a background thread.
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*/
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class ContactPictureRetrievalTask extends AsyncTask<String, Void, Bitmap> {
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class ContactPictureRetrievalTask extends AsyncTask<Void, Void, Bitmap> {
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private final WeakReference<QuickContactBadge> mQuickContactBadgeReference;
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private Address mAddress;
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ContactPictureRetrievalTask(QuickContactBadge badge) {
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ContactPictureRetrievalTask(QuickContactBadge badge, Address address) {
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mQuickContactBadgeReference = new WeakReference<QuickContactBadge>(badge);
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mAddress = new Address(address);
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}
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public void exec(String... args) {
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public void exec(Void... args) {
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
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executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, args);
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} else {
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@ -271,10 +272,8 @@ public class ContactPictureLoader {
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}
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@Override
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protected Bitmap doInBackground(String... args) {
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String email = args[0];
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String personal = args[1];
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mAddress = new Address(email, personal);
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protected Bitmap doInBackground(Void... args) {
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final String email = mAddress.getAddress();
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final Uri x = mContactsHelper.getPhotoUri(email);
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Bitmap bitmap = null;
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if (x != null) {
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@ -47,12 +47,18 @@ public class Address {
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String mPersonal;
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public Address(Address address) {
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mAddress = address.mAddress;
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mPersonal = address.mPersonal;
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}
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public Address(String address, String personal) {
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this(address, personal, true);
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}
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public Address(String address) {
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this(address, null);
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this(address, null, true);
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}
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private Address(String address, String personal, boolean parse) {
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