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[Settings] Fix crashes caused by null bluetooth adapter and ethernet

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Emulator system image doesn't support bluetooth and ethernet manager
yet.
BUG: 150408099

Signed-off-by: Weilun Du <wdu@google.com>
Change-Id: Iab4f7b962f01755fe7d84956f9b54374f1e17408
(cherry picked from commit 08e95d0db0)
This commit is contained in:
Weilun Du
2020-03-30 13:27:13 -07:00
committed by Zhen Zhang
parent ff8b793427
commit f8757b7112
2 changed files with 9 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
src/com/android/settings/TetherSettings.java
View File

@@ -172,7 +172,7 @@ public class TetherSettings extends RestrictedSettingsFragment
com.android.internal.R.string.config_ethernet_iface_regex);
final boolean usbAvailable = mUsbRegexs.length != 0;
final boolean bluetoothAvailable = mBluetoothRegexs.length != 0;
final boolean bluetoothAvailable = adapter != null && mBluetoothRegexs.length != 0;
final boolean ethernetAvailable = !TextUtils.isEmpty(mEthernetRegex);
if (!usbAvailable || Utils.isMonkeyRunning()) {
@@ -326,7 +326,8 @@ public class TetherSettings extends RestrictedSettingsFragment
if (intent != null) mTetherChangeReceiver.onReceive(activity, intent);
mEthernetListener = new EthernetListener();
mEm.addListener(mEthernetListener);
if (mEm != null)
mEm.addListener(mEthernetListener);
updateState();
}
@@ -340,7 +341,8 @@ public class TetherSettings extends RestrictedSettingsFragment
}
getActivity().unregisterReceiver(mTetherChangeReceiver);
mTm.unregisterTetheringEventCallback(mTetheringEventCallback);
mEm.removeListener(mEthernetListener);
if (mEm != null)
mEm.removeListener(mEthernetListener);
mTetherChangeReceiver = null;
mStartTetheringCallback = null;
mTetheringEventCallback = null;
@@ -438,7 +440,7 @@ public class TetherSettings extends RestrictedSettingsFragment
if (isTethered) {
mEthernetTether.setEnabled(!mDataSaverEnabled);
mEthernetTether.setChecked(true);
} else if (isAvailable || mEm.isAvailable()) {
} else if (isAvailable || (mEm != null && mEm.isAvailable())) {
mEthernetTether.setEnabled(!mDataSaverEnabled);
mEthernetTether.setChecked(false);
} else {