prefer ipv4 over ipv6
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@ -5,6 +5,7 @@ import android.support.annotation.NonNull;
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import android.util.Log;
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import java.io.IOException;
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import java.net.Inet4Address;
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import java.net.InetAddress;
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import java.util.ArrayList;
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import java.util.Collections;
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@ -157,6 +158,12 @@ public class Resolver {
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if (directTls == result.directTls) {
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if (ip == null && result.ip == null) {
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return 0;
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} else if (ip != null && result.ip != null) {
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if (ip instanceof Inet4Address && result.ip instanceof Inet4Address) {
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return 0;
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} else {
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return ip instanceof Inet4Address ? -1 : 1;
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}
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} else {
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return ip != null ? -1 : 1;
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}
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