下面列出了怎么用android.os.IBinder.DeathRecipient的API类实例代码及写法，或者点击链接到github查看源代码。
@Override
public boolean newSession(ICustomTabsCallback callback) {
final CustomTabsSessionToken sessionToken = new CustomTabsSessionToken(callback);
try {
DeathRecipient deathRecipient = new IBinder.DeathRecipient() {
@Override
public void binderDied() {
cleanUpSession(sessionToken);
}
};
synchronized (mDeathRecipientMap) {
callback.asBinder().linkToDeath(deathRecipient, 0);
mDeathRecipientMap.put(callback.asBinder(), deathRecipient);
}
return CustomTabsService.this.newSession(sessionToken);
} catch (RemoteException e) {
return false;
}
}
@Override
public boolean newSession(ICustomTabsCallback callback) {
final CustomTabsSessionToken sessionToken = new CustomTabsSessionToken(callback);
try {
DeathRecipient deathRecipient = new IBinder.DeathRecipient() {
@Override
public void binderDied() {
cleanUpSession(sessionToken);
}
};
synchronized (mDeathRecipientMap) {
callback.asBinder().linkToDeath(deathRecipient, 0);
mDeathRecipientMap.put(callback.asBinder(), deathRecipient);
}
return CustomTabsService.this.newSession(sessionToken);
} catch (RemoteException e) {
return false;
}
}
/**
* @param context
* @return
* @throws RemoteException
*/
public static final IPref getPref(Context context) throws RemoteException {
if (sPref == null) {
if (IPC.isPersistentProcess()) {
// 需要枷锁否？
initPref();
} else {
IBinder b = PluginProviderStub.proxyFetchHostPref(context);
b.linkToDeath(new DeathRecipient() {
@Override
public void binderDied() {
sPref = null;
}
}, 0);
sPref = IPref.Stub.asInterface(b);
}
}
return sPref;
}
@Override
public boolean newSession(ICustomTabsCallback callback) {
final CustomTabsSessionToken sessionToken = new CustomTabsSessionToken(callback);
try {
DeathRecipient deathRecipient = new IBinder.DeathRecipient() {
@Override
public void binderDied() {
cleanUpSession(sessionToken);
}
};
synchronized (mDeathRecipientMap) {
callback.asBinder().linkToDeath(deathRecipient, 0);
mDeathRecipientMap.put(callback.asBinder(), deathRecipient);
}
return CustomTabsService.this.newSession(sessionToken);
} catch (RemoteException e) {
return false;
}
}
@Override
public boolean newSession(ICustomTabsCallback callback) {
final CustomTabsSessionToken sessionToken = new CustomTabsSessionToken(callback);
try {
DeathRecipient deathRecipient = new IBinder.DeathRecipient() {
@Override
public void binderDied() {
cleanUpSession(sessionToken);
}
};
synchronized (mDeathRecipientMap) {
callback.asBinder().linkToDeath(deathRecipient, 0);
mDeathRecipientMap.put(callback.asBinder(), deathRecipient);
}
return CustomTabsService.this.newSession(sessionToken);
} catch (RemoteException e) {
return false;
}
}
@Override
public boolean newSession(ICustomTabsCallback callback) {
final CustomTabsSessionToken sessionToken = new CustomTabsSessionToken(callback);
try {
DeathRecipient deathRecipient = new IBinder.DeathRecipient() {
@Override
public void binderDied() {
cleanUpSession(sessionToken);
}
};
synchronized (mDeathRecipientMap) {
callback.asBinder().linkToDeath(deathRecipient, 0);
mDeathRecipientMap.put(callback.asBinder(), deathRecipient);
}
return CustomTabsService.this.newSession(sessionToken);
} catch (RemoteException e) {
return false;
}
}
@Override
public boolean newSession(ICustomTabsCallback callback) {
final CustomTabsSessionToken sessionToken = new CustomTabsSessionToken(callback);
try {
DeathRecipient deathRecipient = new IBinder.DeathRecipient() {
@Override
public void binderDied() {
cleanUpSession(sessionToken);
}
};
synchronized (mDeathRecipientMap) {
callback.asBinder().linkToDeath(deathRecipient, 0);
mDeathRecipientMap.put(callback.asBinder(), deathRecipient);
}
return CustomTabsService.this.newSession(sessionToken);
} catch (RemoteException e) {
return false;
}
}
private void connect() {
IBinder binder = ServiceManager.getService("installd");
if (binder != null) {
try {
binder.linkToDeath(new DeathRecipient() {
@Override
public void binderDied() {
Slog.w(TAG, "installd died; reconnecting");
connect();
}
}, 0);
} catch (RemoteException e) {
binder = null;
}
}
if (binder != null) {
mInstalld = IInstalld.Stub.asInterface(binder);
try {
invalidateMounts();
} catch (InstallerException ignored) {
}
} else {
Slog.w(TAG, "installd not found; trying again");
BackgroundThread.getHandler().postDelayed(() -> {
connect();
}, DateUtils.SECOND_IN_MILLIS);
}
}
/**
* Called when the client side {@link IBinder} for this {@link CustomTabsSessionToken} is dead.
* Can also be used to clean up {@link DeathRecipient} instances allocated for the given token.
*
* @param sessionToken The session token for which the {@link DeathRecipient} call has been
* received.
* @return Whether the clean up was successful. Multiple calls with two tokens holdings the
* same binder will return false.
*/
protected boolean cleanUpSession(CustomTabsSessionToken sessionToken) {
try {
synchronized (mDeathRecipientMap) {
IBinder binder = sessionToken.getCallbackBinder();
DeathRecipient deathRecipient =
mDeathRecipientMap.get(binder);
binder.unlinkToDeath(deathRecipient, 0);
mDeathRecipientMap.remove(binder);
}
} catch (NoSuchElementException e) {
return false;
}
return true;
}
/**
* Called when the client side {@link IBinder} for this {@link CustomTabsSessionToken} is dead.
* Can also be used to clean up {@link DeathRecipient} instances allocated for the given token.
*
* @param sessionToken The session token for which the {@link DeathRecipient} call has been
* received.
* @return Whether the clean up was successful. Multiple calls with two tokens holdings the
* same binder will return false.
*/
protected boolean cleanUpSession(CustomTabsSessionToken sessionToken) {
try {
synchronized (mDeathRecipientMap) {
IBinder binder = sessionToken.getCallbackBinder();
DeathRecipient deathRecipient =
mDeathRecipientMap.get(binder);
binder.unlinkToDeath(deathRecipient, 0);
mDeathRecipientMap.remove(binder);
}
} catch (NoSuchElementException e) {
return false;
}
return true;
}
/**
* Called when the client side {@link IBinder} for this {@link CustomTabsSessionToken} is dead.
* Can also be used to clean up {@link DeathRecipient} instances allocated for the given token.
* @param sessionToken The session token for which the {@link DeathRecipient} call has been
* received.
* @return Whether the clean up was successful. Multiple calls with two tokens holdings the
* same binder will return false.
*/
protected boolean cleanUpSession(CustomTabsSessionToken sessionToken) {
try {
synchronized (mDeathRecipientMap) {
IBinder binder = sessionToken.getCallbackBinder();
DeathRecipient deathRecipient =
mDeathRecipientMap.get(binder);
binder.unlinkToDeath(deathRecipient, 0);
mDeathRecipientMap.remove(binder);
}
} catch (NoSuchElementException e) {
return false;
}
return true;
}
private boolean newSessionInternal(ICustomTabsCallback callback, PendingIntent sessionId) {
final CustomTabsSessionToken sessionToken =
new CustomTabsSessionToken(callback, sessionId);
try {
DeathRecipient deathRecipient = () -> cleanUpSession(sessionToken);
synchronized (mDeathRecipientMap) {
callback.asBinder().linkToDeath(deathRecipient, 0);
mDeathRecipientMap.put(callback.asBinder(), deathRecipient);
}
return CustomTabsService.this.newSession(sessionToken);
} catch (RemoteException e) {
return false;
}
}
/**
* Called when the client side {@link IBinder} for this {@link CustomTabsSessionToken} is dead.
* Can also be used to clean up {@link DeathRecipient} instances allocated for the given token.
*
* @param sessionToken The session token for which the {@link DeathRecipient} call has been
* received.
* @return Whether the clean up was successful. Multiple calls with two tokens holdings the
* same binder will return false.
*/
protected boolean cleanUpSession(CustomTabsSessionToken sessionToken) {
try {
synchronized (mDeathRecipientMap) {
IBinder binder = sessionToken.getCallbackBinder();
DeathRecipient deathRecipient =
mDeathRecipientMap.get(binder);
binder.unlinkToDeath(deathRecipient, 0);
mDeathRecipientMap.remove(binder);
}
} catch (NoSuchElementException e) {
return false;
}
return true;
}
/**
* Called when the client side {@link IBinder} for this {@link CustomTabsSessionToken} is dead.
* Can also be used to clean up {@link DeathRecipient} instances allocated for the given token.
*
* @param sessionToken The session token for which the {@link DeathRecipient} call has been
* received.
* @return Whether the clean up was successful. Multiple calls with two tokens holdings the
* same binder will return false.
*/
protected boolean cleanUpSession(CustomTabsSessionToken sessionToken) {
try {
synchronized (mDeathRecipientMap) {
IBinder binder = sessionToken.getCallbackBinder();
DeathRecipient deathRecipient =
mDeathRecipientMap.get(binder);
binder.unlinkToDeath(deathRecipient, 0);
mDeathRecipientMap.remove(binder);
}
} catch (NoSuchElementException e) {
return false;
}
return true;
}
/**
* Called when the client side {@link IBinder} for this {@link CustomTabsSessionToken} is dead.
* Can also be used to clean up {@link DeathRecipient} instances allocated for the given token.
*
* @param sessionToken The session token for which the {@link DeathRecipient} call has been
* received.
* @return Whether the clean up was successful. Multiple calls with two tokens holdings the
* same binder will return false.
*/
protected boolean cleanUpSession(CustomTabsSessionToken sessionToken) {
try {
synchronized (mDeathRecipientMap) {
IBinder binder = sessionToken.getCallbackBinder();
DeathRecipient deathRecipient =
mDeathRecipientMap.get(binder);
binder.unlinkToDeath(deathRecipient, 0);
mDeathRecipientMap.remove(binder);
}
} catch (NoSuchElementException e) {
return false;
}
return true;
}
/**
* Called when the client side {@link IBinder} for this {@link CustomTabsSessionToken} is dead.
* Can also be used to clean up {@link DeathRecipient} instances allocated for the given token.
*
* @param sessionToken The session token for which the {@link DeathRecipient} call has been
* received.
* @return Whether the clean up was successful. Multiple calls with two tokens holdings the
* same binder will return false.
*/
protected boolean cleanUpSession(CustomTabsSessionToken sessionToken) {
try {
synchronized (mDeathRecipientMap) {
IBinder binder = sessionToken.getCallbackBinder();
DeathRecipient deathRecipient =
mDeathRecipientMap.get(binder);
binder.unlinkToDeath(deathRecipient, 0);
mDeathRecipientMap.remove(binder);
}
} catch (NoSuchElementException e) {
return false;
}
return true;
}
public void linkToDeath(DeathRecipient deathRecipient, int i) throws RemoteException {
}
public boolean unlinkToDeath(DeathRecipient deathRecipient, int i) {
return false;
}