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Fix for media thumbnails flickering on model updates.

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Only update ImageView contents when they have changed.

Fixes #1004
Fixes #2663
Closes #3184

// FREEBIE
This commit is contained in:
Moxie Marlinspike
2015-05-18 08:38:48 -07:00
parent 636b11abea
commit 082985276f
8 changed files with 74 additions and 56 deletions
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12
src/org/thoughtcrime/securesms/util/Util.java
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@@ -21,11 +21,13 @@ import android.annotation.TargetApi;
import android.content.Context;
import android.content.pm.PackageManager;
import android.graphics.Typeface;
import android.net.Uri;
import android.os.Build;
import android.os.Build.VERSION;
import android.os.Build.VERSION_CODES;
import android.os.Looper;
import android.provider.Telephony;
import android.support.annotation.Nullable;
import android.telephony.TelephonyManager;
import android.text.Spannable;
import android.text.SpannableString;
@@ -45,6 +47,7 @@ import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.LinkedList;
@@ -303,4 +306,13 @@ public class Util {
throw new AssertionError("Main-thread assertion failed.");
}
}
public static boolean equals(@Nullable Object a, @Nullable Object b) {
return a == b || (a != null && a.equals(b));
}
public static int hashCode(@Nullable Object... objects) {
return Arrays.hashCode(objects);
}
}