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TelephonyExtUtils: Handle extphone binder death

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* If extphone binder service is invoked after death, phone service
   would crash due to android.os.DeadObjectException.

Change-Id: I8dec7bfd709b0443654001ecd67219a2ba8cc134
This commit is contained in:
dianlujitao
2019-01-25 15:36:02 +08:00
parent 7dfc51aee4
commit c918a033c3
1 changed files with 17 additions and 0 deletions
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17
sdk/src/java/org/lineageos/internal/util/TelephonyExtUtils.java
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@@ -21,6 +21,7 @@ import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.AsyncTask;
import android.os.IBinder.DeathRecipient;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.os.SystemProperties;
@@ -81,6 +82,17 @@ public final class TelephonyExtUtils {
}
};
private final DeathRecipient mDeathRecipient = new DeathRecipient() {
@Override
public void binderDied() {
if (DEBUG) Log.d(TAG, "Binder died");
synchronized(TelephonyExtUtils.class) {
mExtTelephony.asBinder().unlinkToDeath(mDeathRecipient, 0);
mExtTelephony = null;
}
}
};
// This class is not supposed to be instantiated externally
private TelephonyExtUtils(Context context) {
if (DEBUG) Log.d(TAG, "Registering listeners!");
@@ -265,10 +277,15 @@ public final class TelephonyExtUtils {
try {
mExtTelephony =
IExtTelephony.Stub.asInterface(ServiceManager.getService("extphone"));
if (mExtTelephony != null) {
mExtTelephony.asBinder().linkToDeath(mDeathRecipient, 0);
}
} catch (NoClassDefFoundError ex) {
// Ignore, device does not ship with telephony-ext
Log.d(TAG, "Failed to get telephony extension service!");
mNoServiceAvailable = true;
} catch (RemoteException ex) {
Log.d(TAG, "linkToDeath failed!");
}
}