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

Commit 24f13a25 authored by Oliver Wang's avatar Oliver Wang Committed by Linux Build Service Account
Browse files

Sensor: Enable the motion accelerometer for screen orientation change 

The screen orientation can be detected by the motion accelerometer
instead of generic accelerometer to save power.

Change-Id: Iaeb3e5958d2ef7cc33080d7091ed8a5462695c67
parent 2918c47c

core/java/android/hardware/Sensor.java

+14 −0
Original line number Original line Diff line number Diff line
@@ -502,6 +502,20 @@ public final class Sensor { 
     */

     */

    public static final String STRING_TYPE_PICK_UP_GESTURE = "android.sensor.pick_up_gesture";

    public static final String STRING_TYPE_PICK_UP_GESTURE = "android.sensor.pick_up_gesture";





    /**

     * A constant describing the motion accelerometer sensor.

     * <p>

     * This sensor is similar to the accelerometer sensor, however it only

     * streams data when the device is in motion, and stops streaming data

     * when the device is stationary.

     * Generally this kind of sensor would consume less power than the generic

     * accelerometer sensor, and hence can be used in applications that do not

     * require accelerometer streaming when device is stationary, such as the

     * screen auto-rotation.

     * {@hide}

     */

    public static final int TYPE_MOTION_ACCEL = 33171011;



    /**

    /**

     * A constant describing all sensor types.

     * A constant describing all sensor types.

     */

     */

core/res/res/values/config.xml

+4 −0
Original line number Original line Diff line number Diff line
@@ -1898,4 +1898,8 @@ 
    <!-- Configuration to restart radio upon PDP_DEACTIVATE with

    <!-- Configuration to restart radio upon PDP_DEACTIVATE with

         error cause as Regular deactivation(36). -->

         error cause as Regular deactivation(36). -->

    <bool name="config_radio_reset_on_regular_deactivation">true</bool>

    <bool name="config_radio_reset_on_regular_deactivation">true</bool>



    <!-- bool value to for enabling motion accelerometer -->

    <bool name="use_motion_accel">false</bool>



</resources>
 
</resources>

core/res/res/values/symbols.xml

+1 −0
Original line number Original line Diff line number Diff line
@@ -2102,6 +2102,7 @@ 
  <java-symbol type="bool" name="config_sms_force_7bit_encoding" />

  <java-symbol type="bool" name="config_sms_force_7bit_encoding" />

  <java-symbol type="string" name="config_partial_segment_expire_age" />

  <java-symbol type="string" name="config_partial_segment_expire_age" />

  <java-symbol type="bool" name="config_global_phone_enabled" />

  <java-symbol type="bool" name="config_global_phone_enabled" />

  <java-symbol type="bool" name="use_motion_accel" />





  <!-- sim refresh for dual mode card -->

  <!-- sim refresh for dual mode card -->

  <java-symbol type="bool" name="config_sim_refresh_for_dual_mode_card" />

  <java-symbol type="bool" name="config_sim_refresh_for_dual_mode_card" />

policy/src/com/android/internal/policy/impl/WindowOrientationListener.java

+11 −2
Original line number Original line Diff line number Diff line
@@ -87,8 +87,17 @@ public abstract class WindowOrientationListener { 
        mHandler = handler;

        mHandler = handler;

        mSensorManager = (SensorManager)context.getSystemService(Context.SENSOR_SERVICE);

        mSensorManager = (SensorManager)context.getSystemService(Context.SENSOR_SERVICE);

        mRate = rate;

        mRate = rate;

        mSensor = null;



        if (context.getResources().getBoolean(

                                com.android.internal.R.bool.use_motion_accel) == true) {

                mSensor = mSensorManager.getDefaultSensor(Sensor.TYPE_MOTION_ACCEL);

        }

        if (mSensor == null) {

                mSensor = mSensorManager.getDefaultSensor(USE_GRAVITY_SENSOR

                mSensor = mSensorManager.getDefaultSensor(USE_GRAVITY_SENSOR

                                ? Sensor.TYPE_GRAVITY : Sensor.TYPE_ACCELEROMETER);

                                ? Sensor.TYPE_GRAVITY : Sensor.TYPE_ACCELEROMETER);

        }



        if (mSensor != null) {

        if (mSensor != null) {

            // Create listener only if sensors do exist

            // Create listener only if sensors do exist

            mSensorEventListener = new SensorEventListenerImpl();

            mSensorEventListener = new SensorEventListenerImpl();