1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.settings.dashboard; 18 19 import android.accounts.Account; 20 import android.accounts.AccountManager; 21 import android.accounts.OnAccountsUpdateListener; 22 import android.app.Activity; 23 import android.content.Context; 24 import android.net.ConnectivityManager; 25 import android.net.Network; 26 import android.net.NetworkCapabilities; 27 import android.net.NetworkInfo; 28 import android.net.NetworkRequest; 29 import android.os.Bundle; 30 import android.os.Handler; 31 import android.os.Looper; 32 import android.support.v7.widget.LinearLayoutManager; 33 import android.support.v7.widget.RecyclerView; 34 import android.view.LayoutInflater; 35 import android.view.View; 36 import android.view.ViewGroup; 37 38 import com.android.internal.logging.MetricsProto; 39 import com.android.settings.InstrumentedFragment; 40 import com.android.settings.R; 41 import com.android.settings.overlay.FeatureFactory; 42 import com.android.settings.overlay.SupportFeatureProvider; 43 44 /** 45 * Fragment for support tab in SettingsGoogle. 46 */ 47 public final class SupportFragment extends InstrumentedFragment implements View.OnClickListener, 48 OnAccountsUpdateListener { 49 50 private final Handler mHandler = new Handler(Looper.getMainLooper()); 51 private final ConnectivityManager.NetworkCallback mNetworkCallback = 52 new ConnectivityManager.NetworkCallback() { 53 54 @Override 55 public void onCapabilitiesChanged(Network network, 56 NetworkCapabilities capabilities) { 57 postConnectivityChanged(); 58 } 59 60 @Override 61 public void onAvailable(Network network) { 62 postConnectivityChanged(); 63 } 64 65 @Override 66 public void onLost(Network network) { 67 postConnectivityChanged(); 68 } 69 }; 70 71 private Activity mActivity; 72 private View mContent; 73 private RecyclerView mRecyclerView; 74 private SupportItemAdapter mSupportItemAdapter; 75 private AccountManager mAccountManager; 76 private SupportFeatureProvider mSupportFeatureProvider; 77 private ConnectivityManager mConnectivityManager; 78 79 @Override getMetricsCategory()80 protected int getMetricsCategory() { 81 return MetricsProto.MetricsEvent.SUPPORT_FRAGMENT; 82 } 83 84 @Override onCreate(Bundle savedInstanceState)85 public void onCreate(Bundle savedInstanceState) { 86 super.onCreate(savedInstanceState); 87 mActivity = getActivity(); 88 mAccountManager = AccountManager.get(mActivity); 89 mSupportFeatureProvider = 90 FeatureFactory.getFactory(mActivity).getSupportFeatureProvider(mActivity); 91 mSupportItemAdapter = new SupportItemAdapter(mActivity, savedInstanceState, 92 mSupportFeatureProvider, this /* itemClickListener */); 93 mConnectivityManager = 94 (ConnectivityManager) mActivity.getSystemService(Context.CONNECTIVITY_SERVICE); 95 } 96 97 @Override onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)98 public View onCreateView(LayoutInflater inflater, ViewGroup container, 99 Bundle savedInstanceState) { 100 mContent = inflater.inflate(R.layout.support_fragment, container, false); 101 mRecyclerView = (RecyclerView) mContent.findViewById(R.id.support_items); 102 mRecyclerView.setLayoutManager(new LinearLayoutManager( 103 getActivity(), LinearLayoutManager.VERTICAL, false /* reverseLayout */)); 104 mRecyclerView.setAdapter(mSupportItemAdapter); 105 return mContent; 106 } 107 108 @Override onResume()109 public void onResume() { 110 super.onResume(); 111 // Monitor account change. 112 mAccountManager.addOnAccountsUpdatedListener( 113 this /* listener */, null /* handler */, true /* updateImmediately */); 114 // Monitor connectivity 115 mConnectivityManager.registerNetworkCallback( 116 new NetworkRequest.Builder() 117 .addCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET) 118 .build(), 119 mNetworkCallback); 120 mSupportItemAdapter.setHasInternet(hasInternet()); 121 } 122 123 @Override onPause()124 public void onPause() { 125 super.onPause(); 126 // Stop monitor account change. 127 mAccountManager.removeOnAccountsUpdatedListener(this /* listener */); 128 // Stop monitor connectivity. 129 mConnectivityManager.unregisterNetworkCallback(mNetworkCallback); 130 } 131 132 @Override onSaveInstanceState(Bundle outState)133 public void onSaveInstanceState(Bundle outState) { 134 super.onSaveInstanceState(outState); 135 mSupportItemAdapter.onSaveInstanceState(outState); 136 } 137 138 @Override onAccountsUpdated(Account[] accounts)139 public void onAccountsUpdated(Account[] accounts) { 140 // Account changed, update support items. 141 mSupportItemAdapter.setAccount( 142 mSupportFeatureProvider.getSupportEligibleAccount(mActivity)); 143 } 144 145 @Override onClick(View v)146 public void onClick(View v) { 147 final SupportItemAdapter.ViewHolder vh = 148 (SupportItemAdapter.ViewHolder) mRecyclerView.getChildViewHolder(v); 149 mSupportItemAdapter.onItemClicked(vh.getAdapterPosition()); 150 } 151 postConnectivityChanged()152 private void postConnectivityChanged() { 153 mHandler.post(new Runnable() { 154 @Override 155 public void run() { 156 if (mSupportItemAdapter != null) { 157 mSupportItemAdapter.setHasInternet(hasInternet()); 158 } 159 } 160 }); 161 } 162 hasInternet()163 private boolean hasInternet() { 164 final NetworkInfo activeNetwork = mConnectivityManager.getActiveNetworkInfo(); 165 return activeNetwork != null && activeNetwork.isConnectedOrConnecting(); 166 } 167 } 168