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Monitor connectivity change and display offline promo.

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Bug: 28141203
Change-Id: I2af7cc3071d835092fba961ff59189f1fb295063
This commit is contained in:
Fan Zhang
2016-04-22 13:43:26 -07:00
parent 8f2fd1106c
commit 2ddde4a928
3 changed files with 91 additions and 4 deletions
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56
src/com/android/settings/dashboard/SupportFragment.java
View File

@@ -20,7 +20,15 @@ import android.accounts.Account;
import android.accounts.AccountManager;
import android.accounts.OnAccountsUpdateListener;
import android.app.Activity;
import android.content.Context;
import android.net.ConnectivityManager;
import android.net.Network;
import android.net.NetworkCapabilities;
import android.net.NetworkInfo;
import android.net.NetworkRequest;
import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
@@ -38,12 +46,34 @@ import com.android.settings.overlay.SupportFeatureProvider;
public final class SupportFragment extends InstrumentedFragment implements View.OnClickListener,
OnAccountsUpdateListener {
private final Handler mHandler = new Handler(Looper.getMainLooper());
private final ConnectivityManager.NetworkCallback mNetworkCallback =
new ConnectivityManager.NetworkCallback() {
@Override
public void onCapabilitiesChanged(Network network,
NetworkCapabilities capabilities) {
postConnectivityChanged();
}
@Override
public void onAvailable(Network network) {
postConnectivityChanged();
}
@Override
public void onLost(Network network) {
postConnectivityChanged();
}
};
private Activity mActivity;
private View mContent;
private RecyclerView mRecyclerView;
private SupportItemAdapter mSupportItemAdapter;
private AccountManager mAccountManager;
private SupportFeatureProvider mSupportFeatureProvider;
private ConnectivityManager mConnectivityManager;
@Override
protected int getMetricsCategory() {
@@ -59,6 +89,8 @@ public final class SupportFragment extends InstrumentedFragment implements View.
FeatureFactory.getFactory(mActivity).getSupportFeatureProvider(mActivity);
mSupportItemAdapter = new SupportItemAdapter(mActivity, mSupportFeatureProvider,
this /* itemClickListener */);
mConnectivityManager =
(ConnectivityManager) mActivity.getSystemService(Context.CONNECTIVITY_SERVICE);
}
@Override
@@ -78,6 +110,12 @@ public final class SupportFragment extends InstrumentedFragment implements View.
// Monitor account change.
mAccountManager.addOnAccountsUpdatedListener(
this /* listener */, null /* handler */, true /* updateImmediately */);
// Monitor connectivity
mConnectivityManager.registerNetworkCallback(
new NetworkRequest.Builder()
.addCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET)
.build(),
mNetworkCallback);
}
@Override
@@ -85,6 +123,8 @@ public final class SupportFragment extends InstrumentedFragment implements View.
super.onPause();
// Stop monitor account change.
mAccountManager.removeOnAccountsUpdatedListener(this /* listener */);
// Stop monitor connectivity.
mConnectivityManager.unregisterNetworkCallback(mNetworkCallback);
}
@Override
@@ -99,4 +139,20 @@ public final class SupportFragment extends InstrumentedFragment implements View.
(SupportItemAdapter.ViewHolder) mRecyclerView.getChildViewHolder(v);
mSupportItemAdapter.onItemClicked(vh.getAdapterPosition());
}
private void postConnectivityChanged() {
mHandler.post(new Runnable() {
@Override
public void run() {
if (mSupportItemAdapter != null) {
mSupportItemAdapter.setHasInternet(hasInternet());
}
}
});
}
private boolean hasInternet() {
final NetworkInfo activeNetwork = mConnectivityManager.getActiveNetworkInfo();
return activeNetwork != null && activeNetwork.isConnectedOrConnecting();
}
}