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Commit 083a03b0 authored by Matthew Sedam's avatar Matthew Sedam
Browse files

Add @Nullable to SensorManager.getDefaultSensor's return value 

The return value can be null, so add the @Nullable annotation.

Bug: 264386251
Test: make, flash, verify boot
Test: presubmits
Change-Id: I04f65fe6e57f89c89186278950f5ee19b020a7ad
parent e073b7ed

core/api/current.txt

+2 −2
Original line number Diff line number Diff line
@@ -17088,8 +17088,8 @@ package android.hardware { 
    method public boolean flush(android.hardware.SensorEventListener);

    method public static float getAltitude(float, float);

    method public static void getAngleChange(float[], float[], float[]);

    method public android.hardware.Sensor getDefaultSensor(int);

    method public android.hardware.Sensor getDefaultSensor(int, boolean);

    method @Nullable public android.hardware.Sensor getDefaultSensor(int);

    method @Nullable public android.hardware.Sensor getDefaultSensor(int, boolean);

    method public java.util.List<android.hardware.Sensor> getDynamicSensorList(int);

    method public static float getInclination(float[]);

    method public static float[] getOrientation(float[], float[]);

core/java/android/hardware/SensorManager.java

+3 −2
Original line number Diff line number Diff line
@@ -16,6 +16,7 @@ 


package android.hardware;



import android.annotation.Nullable;

import android.annotation.SystemApi;

import android.annotation.SystemService;

import android.compat.annotation.UnsupportedAppUsage;
@@ -496,7 +497,7 @@ public abstract class SensorManager { 
     * @see #getSensorList(int)

     * @see Sensor

     */

    public Sensor getDefaultSensor(int type) {

    public @Nullable Sensor getDefaultSensor(int type) {

        // TODO: need to be smarter, for now, just return the 1st sensor

        List<Sensor> l = getSensorList(type);

        boolean wakeUpSensor = false;
@@ -544,7 +545,7 @@ public abstract class SensorManager { 
     *         and the application has the necessary permissions, or null otherwise.

     * @see Sensor#isWakeUpSensor()

     */

    public Sensor getDefaultSensor(int type, boolean wakeUp) {

    public @Nullable Sensor getDefaultSensor(int type, boolean wakeUp) {

        List<Sensor> l = getSensorList(type);

        for (Sensor sensor : l) {

            if (sensor.isWakeUpSensor() == wakeUp) {