Prevent inserting duplicate entries into child device list
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@@ -31,6 +31,8 @@ import android.widget.EditText;
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import android.widget.ListView;
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import android.widget.Toast;
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import java.util.Objects;
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public class DiscoverActivity extends Activity {
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private static final String PREF_KEY_CHILD_DEVICE_ADDRESS = "childDeviceAddress";
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@@ -189,7 +191,16 @@ public class DiscoverActivity extends Activity {
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public void onServiceResolved(final NsdServiceInfo serviceInfo) {
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Log.i(TAG, "Resolve Succeeded: " + serviceInfo);
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DiscoverActivity.this.runOnUiThread(() -> availableServicesAdapter.add(new ServiceInfoWrapper(serviceInfo)));
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DiscoverActivity.this.runOnUiThread(() -> {
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for (int index=0; index < availableServicesAdapter.getCount(); index++) {
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ServiceInfoWrapper item = availableServicesAdapter.getItem(index);
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if (item != null && item.matches(serviceInfo)) {
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// Prevent inserting duplicates
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return;
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}
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}
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availableServicesAdapter.add(new ServiceInfoWrapper(serviceInfo));
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});
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}
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};
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@@ -251,6 +262,10 @@ class ServiceInfoWrapper {
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this.info = info;
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}
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public boolean matches(NsdServiceInfo other) {
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return Objects.equals(this.info.getHost(), other.getHost()) && this.info.getPort() == other.getPort();
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}
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public String getAddress()
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{
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return info.getHost().getHostAddress();
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