Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit d643c8a4 authored by Will Brockman's avatar Will Brockman Committed by Android (Google) Code Review
Browse files

Merge "Initial UiEventReported atom and UIEventLogger."

parents 4b46f51d fbaa7912
Loading
Loading
Loading
Loading
+16 −1
Original line number Diff line number Diff line
@@ -164,7 +164,7 @@ message Atom {
        BiometricAcquired biometric_acquired = 87;
        BiometricAuthenticated biometric_authenticated = 88;
        BiometricErrorOccurred biometric_error_occurred = 89;
        // Atom number 90 is available for use.
        UiEventReported ui_event_reported = 90;
        BatteryHealthSnapshot battery_health_snapshot = 91;
        SlowIo slow_io = 92;
        BatteryCausedShutdown battery_caused_shutdown = 93;
@@ -3265,6 +3265,21 @@ message GenericAtom {
    optional android.stats.EventType event_id = 2;
}

/**
 * Atom for simple logging of user interaction and impression events, such as "the user touched
 * this button" or "this dialog was displayed".
 * Keep the UI event stream clean: don't use for system or background events.
 * Log using the UiEventLogger wrapper - don't write with the StatsLog API directly.
 */
message UiEventReported {
    // The event_id.
    optional int32 event_id = 1;
    // The event's source or target uid and package, if applicable.
    // For example, the package posting a notification, or the destination package of a share.
    optional int32 uid = 2 [(is_uid) = true];
    optional string package_name = 3;
}

/**
 * Logs when a biometric acquire event occurs.
 *
+30 −0
Original line number Diff line number Diff line
/*
 * Copyright (C) 2019 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.internal.logging;

import static java.lang.annotation.ElementType.FIELD;
import static java.lang.annotation.RetentionPolicy.SOURCE;

import java.lang.annotation.Retention;
import java.lang.annotation.Target;

@Retention(SOURCE)
@Target(FIELD)
public @interface UiEvent {
    /** An explanation, suitable for Android analysts, of the UI event that this log represents. */
    String doc();
}
+38 −0
Original line number Diff line number Diff line
/*
 * Copyright (C) 2019 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.internal.logging;

/**
 * Logging interface for UI events. Normal implementation is UiEventLoggerImpl.
 * For testing, use fake implementation UiEventLoggerFake.
 *
 * See go/sysui-event-logs and UiEventReported atom in atoms.proto.
 */
public interface UiEventLogger {
    /** Put your Event IDs in enums that implement this interface, and document them using the
     * UiEventEnum annotation.
     * Event IDs must be globally unique. This will be enforced by tooling (forthcoming).
     * OEMs should use event IDs above 100000.
     */
    interface UiEventEnum {
        int getId();
    }
    /**
     * Log a simple event, with no package or instance ID.
     */
    void log(UiEventEnum eventID);
}
+37 −0
Original line number Diff line number Diff line
/*
 * Copyright (C) 2019 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.internal.logging;

import android.util.StatsLog;

/**
 * Standard implementation of UiEventLogger, writing to StatsLog.
 *
 * See UiEventReported atom in atoms.proto for more context.
 */
public class UiEventLoggerImpl implements UiEventLogger {
    /**
     * Log a simple event, with no package or instance ID.
     */
    @Override
    public void log(UiEventEnum event) {
        final int eventID = event.getId();
        if (eventID > 0) {
            StatsLog.write(StatsLog.UI_EVENT_REPORTED, eventID, 0, null);
        }
    }
}
+58 −0
Original line number Diff line number Diff line
/*
 * Copyright (C) 2019 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.internal.logging.testing;

import com.android.internal.logging.UiEventLogger;

import java.util.LinkedList;
import java.util.Queue;

/**
 * Fake logger that queues up logged events for inspection.
 *
 * @hide.
 */
public class UiEventLoggerFake implements UiEventLogger {
    /**
     * Immutable data class used to record fake log events.
     */
    public class FakeUiEvent {
        public final int eventId;
        public final int uid;
        public final String packageName;

        public FakeUiEvent(int eventId, int uid, String packageName) {
            this.eventId = eventId;
            this.uid = uid;
            this.packageName = packageName;
        }
    }

    private Queue<FakeUiEvent> mLogs = new LinkedList<FakeUiEvent>();

    @Override
    public void log(UiEventEnum event) {
        final int eventId = event.getId();
        if (eventId > 0) {
            mLogs.offer(new FakeUiEvent(eventId, 0, null));
        }
    }

    public Queue<FakeUiEvent> getLogs() {
        return mLogs;
    }
}