Merge "Fix Wi-Fi DPP fragment back stack problems"

This commit is contained in:
TreeHugger Robot
2019-02-12 03:17:57 +00:00
committed by Android (Google) Code Review
5 changed files with 114 additions and 49 deletions

View File

@@ -19,6 +19,9 @@ package com.android.settings.wifi.dpp;
import android.app.ActionBar;
import android.app.settings.SettingsEnums;
import android.content.Intent;
import android.net.wifi.WifiConfiguration;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.os.Bundle;
import android.provider.Settings;
import android.util.Log;
@@ -31,6 +34,8 @@ import androidx.fragment.app.FragmentTransaction;
import com.android.settings.R;
import com.android.settings.core.InstrumentedActivity;
import java.util.List;
/**
* To provision "other" device with specified Wi-Fi network.
*
@@ -78,6 +83,7 @@ public class WifiDppConfiguratorActivity extends InstrumentedActivity implements
/** The Wi-Fi DPP QR code from intent ACTION_PROCESS_WIFI_EASY_CONNECT_QR_CODE */
private WifiQrCode mWifiDppQrCode;
/** Secret extra that allows fake networks to show in UI for testing purposes */
private boolean mIsTest;
@@ -90,6 +96,9 @@ public class WifiDppConfiguratorActivity extends InstrumentedActivity implements
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.wifi_dpp_activity);
mFragmentManager = getSupportFragmentManager();
if (savedInstanceState != null) {
String qrCode = savedInstanceState.getString(KEY_QR_CODE);
@@ -103,13 +112,10 @@ public class WifiDppConfiguratorActivity extends InstrumentedActivity implements
mWifiNetworkConfig = WifiNetworkConfig.getValidConfigOrNull(security, ssid,
preSharedKey, hiddenSsid, networkId);
} else {
handleIntent(getIntent());
}
setContentView(R.layout.wifi_dpp_activity);
mFragmentManager = getSupportFragmentManager();
handleIntent(getIntent());
ActionBar actionBar = getActionBar();
if (actionBar != null) {
actionBar.setElevation(0);
@@ -150,7 +156,13 @@ public class WifiDppConfiguratorActivity extends InstrumentedActivity implements
if (mWifiDppQrCode == null || !isDppSupported) {
cancelActivity = true;
} else {
showChooseSavedWifiNetworkFragment(/* addToBackStack */ false);
final WifiNetworkConfig connectedConfig = getConnectedWifiNetworkConfigOrNull();
if (connectedConfig == null) {
showChooseSavedWifiNetworkFragment(/* addToBackStack */ false);
} else {
mWifiNetworkConfig = connectedConfig;
showAddDeviceFragment(/* addToBackStack */ false);
}
}
break;
default:
@@ -167,13 +179,18 @@ public class WifiDppConfiguratorActivity extends InstrumentedActivity implements
WifiDppQrCodeScannerFragment fragment =
(WifiDppQrCodeScannerFragment) mFragmentManager.findFragmentByTag(
WifiDppUtils.TAG_FRAGMENT_QR_CODE_SCANNER);
// Avoid to replace the same fragment during configuration change
if (fragment != null && fragment.isVisible()) {
return;
}
if (fragment == null) {
fragment = new WifiDppQrCodeScannerFragment();
} else {
if (fragment.isVisible()) {
return;
}
// When the fragment in back stack but not on top of the stack, we can simply pop
// stack because current fragment transactions are arranged in an order
mFragmentManager.popBackStackImmediate();
return;
}
final FragmentTransaction fragmentTransaction = mFragmentManager.beginTransaction();
@@ -189,12 +206,19 @@ public class WifiDppConfiguratorActivity extends InstrumentedActivity implements
WifiDppQrCodeGeneratorFragment fragment =
(WifiDppQrCodeGeneratorFragment) mFragmentManager.findFragmentByTag(
WifiDppUtils.TAG_FRAGMENT_QR_CODE_GENERATOR);
// Avoid to replace the same fragment during configuration change
if (fragment != null && fragment.isVisible()) {
if (fragment == null) {
fragment = new WifiDppQrCodeGeneratorFragment();
} else {
if (fragment.isVisible()) {
return;
}
// When the fragment in back stack but not on top of the stack, we can simply pop
// stack because current fragment transactions are arranged in an order
mFragmentManager.popBackStackImmediate();
return;
}
fragment = new WifiDppQrCodeGeneratorFragment();
final FragmentTransaction fragmentTransaction = mFragmentManager.beginTransaction();
fragmentTransaction.replace(R.id.fragment_container, fragment,
@@ -206,10 +230,6 @@ public class WifiDppConfiguratorActivity extends InstrumentedActivity implements
WifiDppChooseSavedWifiNetworkFragment fragment =
(WifiDppChooseSavedWifiNetworkFragment) mFragmentManager.findFragmentByTag(
WifiDppUtils.TAG_FRAGMENT_CHOOSE_SAVED_WIFI_NETWORK);
// Avoid to replace the same fragment during configuration change
if (fragment != null && fragment.isVisible()) {
return;
}
if (fragment == null) {
fragment = new WifiDppChooseSavedWifiNetworkFragment();
@@ -218,6 +238,15 @@ public class WifiDppConfiguratorActivity extends InstrumentedActivity implements
bundle.putBoolean(WifiDppUtils.EXTRA_TEST, true);
fragment.setArguments(bundle);
}
} else {
if (fragment.isVisible()) {
return;
}
// When the fragment in back stack but not on top of the stack, we can simply pop
// stack because current fragment transactions are arranged in an order
mFragmentManager.popBackStackImmediate();
return;
}
final FragmentTransaction fragmentTransaction = mFragmentManager.beginTransaction();
@@ -234,14 +263,17 @@ public class WifiDppConfiguratorActivity extends InstrumentedActivity implements
(WifiDppAddDeviceFragment) mFragmentManager.findFragmentByTag(
WifiDppUtils.TAG_FRAGMENT_ADD_DEVICE);
// Avoid to replace the same fragment during configuration change
if (mFragmentManager.findFragmentByTag(
WifiDppUtils.TAG_FRAGMENT_ADD_DEVICE) != null) {
return;
}
if (fragment == null) {
fragment = new WifiDppAddDeviceFragment();
} else {
if (fragment.isVisible()) {
return;
}
// When the fragment in back stack but not on top of the stack, we can simply pop
// stack because current fragment transactions are arranged in an order
mFragmentManager.popBackStackImmediate();
return;
}
final FragmentTransaction fragmentTransaction = mFragmentManager.beginTransaction();
@@ -359,4 +391,31 @@ public class WifiDppConfiguratorActivity extends InstrumentedActivity implements
showAddDeviceFragment(/* addToBackStack */ true);
}
private WifiNetworkConfig getConnectedWifiNetworkConfigOrNull() {
final WifiManager wifiManager = getSystemService(WifiManager.class);
if (!wifiManager.isWifiEnabled()) {
return null;
}
final WifiInfo connectionInfo = wifiManager.getConnectionInfo();
if (connectionInfo == null) {
return null;
}
final int connectionNetworkId = connectionInfo.getNetworkId();
final List<WifiConfiguration> configs = wifiManager.getConfiguredNetworks();
for (WifiConfiguration wifiConfiguration : configs) {
if (wifiConfiguration.networkId == connectionNetworkId) {
return WifiNetworkConfig.getValidConfigOrNull(
WifiDppUtils.getSecurityString(wifiConfiguration),
wifiConfiguration.getPrintableSsid(),
wifiConfiguration.preSharedKey,
/* hiddenSsid */ false,
wifiConfiguration.networkId);
}
}
return null;
}
}

View File

@@ -100,7 +100,9 @@ public class WifiDppEnrolleeActivity extends InstrumentedActivity implements
setContentView(R.layout.wifi_dpp_activity);
mFragmentManager = getSupportFragmentManager();
handleIntent(getIntent());
if (savedInstanceState == null) {
handleIntent(getIntent());
}
ActionBar actionBar = getActionBar();
if (actionBar != null) {
@@ -122,13 +124,23 @@ public class WifiDppEnrolleeActivity extends InstrumentedActivity implements
}
private void showQrCodeScannerFragment(boolean addToBackStack, String ssid) {
// Avoid to replace the same fragment during configuration change
if (mFragmentManager.findFragmentByTag(WifiDppUtils.TAG_FRAGMENT_QR_CODE_SCANNER) != null) {
WifiDppQrCodeScannerFragment fragment =
(WifiDppQrCodeScannerFragment) mFragmentManager.findFragmentByTag(
WifiDppUtils.TAG_FRAGMENT_QR_CODE_SCANNER);
if (fragment == null) {
fragment = new WifiDppQrCodeScannerFragment(ssid);
} else {
if (fragment.isVisible()) {
return;
}
// When the fragment in back stack but not on top of the stack, we can simply pop
// stack because current fragment transactions are arranged in an order
mFragmentManager.popBackStackImmediate();
return;
}
WifiDppQrCodeScannerFragment fragment = new WifiDppQrCodeScannerFragment(ssid);
FragmentTransaction fragmentTransaction = mFragmentManager.beginTransaction();
final FragmentTransaction fragmentTransaction = mFragmentManager.beginTransaction();
fragmentTransaction.replace(R.id.fragment_container, fragment,
WifiDppUtils.TAG_FRAGMENT_QR_CODE_SCANNER);

View File

@@ -18,6 +18,7 @@ package com.android.settings.wifi.dpp;
import android.content.Context;
import android.content.Intent;
import android.net.wifi.WifiConfiguration.KeyMgmt;
import android.net.wifi.WifiConfiguration;
import android.net.wifi.WifiManager;
import android.text.TextUtils;
@@ -147,6 +148,17 @@ public class WifiDppUtils {
}
}
static String getSecurityString(WifiConfiguration config) {
if (config.allowedKeyManagement.get(KeyMgmt.SAE)) {
return WifiQrCode.SECURITY_SAE;
}
if (config.allowedKeyManagement.get(KeyMgmt.WPA_PSK)) {
return WifiQrCode.SECURITY_WPA_PSK;
}
return (config.wepKeys[0] == null) ?
WifiQrCode.SECURITY_NO_PASSWORD : WifiQrCode.SECURITY_WEP;
}
/**
* Returns an intent to launch QR code generator or scanner according to the Wi-Fi network
* security. It may return null if the security is not supported by QR code generator nor

View File

@@ -20,7 +20,6 @@ import android.app.Activity;
import android.app.settings.SettingsEnums;
import android.content.Context;
import android.content.Intent;
import android.net.NetworkInfo.DetailedState;
import android.net.wifi.WifiConfiguration;
import android.net.wifi.WifiManager;
import android.os.Bundle;
@@ -28,7 +27,6 @@ import android.util.Log;
import android.view.View;
import android.widget.Toast;
import androidx.annotation.VisibleForTesting;
import androidx.preference.Preference;
import androidx.preference.PreferenceCategory;
@@ -64,9 +62,6 @@ public class WifiNetworkListFragment extends SettingsPreferenceFragment implemen
private WifiManager.ActionListener mSaveListener;
private boolean mIsTest;
@VisibleForTesting
boolean mUseConnectedAccessPointDirectly;
// Container Activity must implement this interface
public interface OnChooseNetworkListener {
public void onChooseNetwork(WifiNetworkConfig wifiNetworkConfig);
@@ -123,8 +118,6 @@ public class WifiNetworkListFragment extends SettingsPreferenceFragment implemen
}
}
};
mUseConnectedAccessPointDirectly = true;
}
@Override
@@ -310,16 +303,6 @@ public class WifiNetworkListFragment extends SettingsPreferenceFragment implemen
if (isValidForDppConfiguration(accessPoint)) {
final String key = accessPoint.getKey();
// Check if this access point is already connected.
if (mUseConnectedAccessPointDirectly
&& accessPoint.getDetailedState() == DetailedState.CONNECTED) {
// Uses connected access point to start DPP in Configurator-Initiator role
// directly.
onPreferenceTreeClick(createAccessPointPreference(accessPoint));
removeCachedPrefs(mAccessPointsPreferenceCategory);
return;
}
final AccessPointPreference pref = (AccessPointPreference) getCachedPreference(key);
if (pref != null) {
pref.setOrder(index);

View File

@@ -98,7 +98,6 @@ public class WifiNetworkListFragmentTest {
private void callOnWifiStateChanged(int state) {
mActivityRule.getActivity().getMainThreadHandler()
.post(() -> mWifiNetworkListFragment.onWifiStateChanged(state));
mWifiNetworkListFragment.mUseConnectedAccessPointDirectly = false;
}
/** Launch the activity via an Intent with a String extra. */