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Commit b1de9a09 authored by Chiachang Wang's avatar Chiachang Wang Committed by Gerrit Code Review
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Merge "[IT02] Expose system api to report radio power state"

parents 4d90f237 3f01a7a8

core/api/system-current.txt

+2 −0
Original line number Diff line number Diff line
@@ -6976,12 +6976,14 @@ package android.os { 
    method @NonNull @RequiresPermission(android.Manifest.permission.UPDATE_DEVICE_STATS) public android.os.connectivity.WifiBatteryStats getWifiBatteryStats();

    method @RequiresPermission(android.Manifest.permission.UPDATE_DEVICE_STATS) public void reportFullWifiLockAcquiredFromSource(@NonNull android.os.WorkSource);

    method @RequiresPermission(android.Manifest.permission.UPDATE_DEVICE_STATS) public void reportFullWifiLockReleasedFromSource(@NonNull android.os.WorkSource);

    method @RequiresPermission(android.Manifest.permission.UPDATE_DEVICE_STATS) public void reportMobileRadioPowerState(boolean, int) throws java.lang.RuntimeException;

    method @RequiresPermission(android.Manifest.permission.UPDATE_DEVICE_STATS) public void reportWifiBatchedScanStartedFromSource(@NonNull android.os.WorkSource, @IntRange(from=0) int);

    method @RequiresPermission(android.Manifest.permission.UPDATE_DEVICE_STATS) public void reportWifiBatchedScanStoppedFromSource(@NonNull android.os.WorkSource);

    method @RequiresPermission(android.Manifest.permission.UPDATE_DEVICE_STATS) public void reportWifiMulticastDisabled(@NonNull android.os.WorkSource);

    method @RequiresPermission(android.Manifest.permission.UPDATE_DEVICE_STATS) public void reportWifiMulticastEnabled(@NonNull android.os.WorkSource);

    method @RequiresPermission(android.Manifest.permission.UPDATE_DEVICE_STATS) public void reportWifiOff();

    method @RequiresPermission(android.Manifest.permission.UPDATE_DEVICE_STATS) public void reportWifiOn();

    method @RequiresPermission(android.Manifest.permission.UPDATE_DEVICE_STATS) public void reportWifiRadioPowerState(boolean, int) throws java.lang.RuntimeException;

    method @RequiresPermission(android.Manifest.permission.UPDATE_DEVICE_STATS) public void reportWifiRssiChanged(@IntRange(from=0xffffff81, to=0) int);

    method @RequiresPermission(android.Manifest.permission.UPDATE_DEVICE_STATS) public void reportWifiScanStartedFromSource(@NonNull android.os.WorkSource);

    method @RequiresPermission(android.Manifest.permission.UPDATE_DEVICE_STATS) public void reportWifiScanStoppedFromSource(@NonNull android.os.WorkSource);

core/java/android/os/BatteryStatsManager.java

+47 −0
Original line number Diff line number Diff line
@@ -26,6 +26,7 @@ import android.annotation.SystemService; 
import android.content.Context;

import android.os.connectivity.CellularBatteryStats;

import android.os.connectivity.WifiBatteryStats;

import android.telephony.DataConnectionRealTimeInfo;



import com.android.internal.app.IBatteryStats;
@@ -376,4 +377,50 @@ public final class BatteryStatsManager { 
            e.rethrowFromSystemServer();

        }

    }



    /**

     * Indicates that the radio power state has changed.

     *

     * @param isActive indicates if the mobile radio is powered.

     * @param uid Uid of this event. For the active state it represents the uid that was responsible

     *            for waking the radio, or -1 if the system was responsible for waking the radio.

     *            For inactive state, the UID should always be -1.

     * @throws RuntimeException if there are binder remote-invocation errors.

     */

    @RequiresPermission(android.Manifest.permission.UPDATE_DEVICE_STATS)

    public void reportMobileRadioPowerState(boolean isActive, int uid) throws RuntimeException {

        try {

            mBatteryStats.noteMobileRadioPowerState(getDataConnectionPowerState(isActive),

                    SystemClock.elapsedRealtimeNanos(), uid);

        } catch (RemoteException e) {

            e.rethrowFromSystemServer();

        }

    }



    /**

     * Indicates that the wifi power state has changed.

     *

     * @param isActive indicates if the wifi radio is powered.

     * @param uid Uid of this event. For the active state it represents the uid that was responsible

     *            for waking the radio, or -1 if the system was responsible for waking the radio.

     *            For inactive state, the UID should always be -1.

     * @throws RuntimeException if there are binder remote-invocation errors.

     */

    @RequiresPermission(android.Manifest.permission.UPDATE_DEVICE_STATS)

    public void reportWifiRadioPowerState(boolean isActive, int uid) throws RuntimeException {

        try {

            mBatteryStats.noteWifiRadioPowerState(getDataConnectionPowerState(isActive),

                    SystemClock.elapsedRealtimeNanos(), uid);

        } catch (RemoteException e) {

            e.rethrowFromSystemServer();

        }

    }



    private static int getDataConnectionPowerState(boolean isActive) {

        // TODO: DataConnectionRealTimeInfo is under telephony package but the constants are used

        // for both Wifi and mobile. It would make more sense to separate the constants to a generic

        // class or move it to generic package.

        return isActive ? DataConnectionRealTimeInfo.DC_POWER_STATE_HIGH

                : DataConnectionRealTimeInfo.DC_POWER_STATE_LOW;

    }

}