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Fix displayed brightness value in settings.

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Change BrightnessLevelPreferenceController to use float values for
brightness instead of the int system.

Change tests to use correct values and floats.

Bug: b/150099686

Test: m -j99 RunSettingsRoboTests
ROBOTEST_FILTER="com.android.settings.display.BrightnessLevelPreferenceControllerTest",  manual

Change-Id: I1a6e06b4f5532b641d766f770be351b8ca827664
This commit is contained in:
Fiona Campbell
2020-03-03 16:48:47 +00:00
parent 856079384a
commit bf6624b603
2 changed files with 43 additions and 35 deletions
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36
src/com/android/settings/display/BrightnessLevelPreferenceController.java
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@@ -14,7 +14,8 @@
package com.android.settings.display;
import static com.android.settingslib.display.BrightnessUtils.GAMMA_SPACE_MAX;
import static com.android.settingslib.display.BrightnessUtils.convertLinearToGamma;
import static com.android.settingslib.display.BrightnessUtils.GAMMA_SPACE_MIN;
import static com.android.settingslib.display.BrightnessUtils.convertLinearToGammaFloat;
import android.content.ContentResolver;
import android.content.Context;
@@ -52,16 +53,16 @@ public class BrightnessLevelPreferenceController extends AbstractPreferenceContr
private static final Uri BRIGHTNESS_FOR_VR_URI;
private static final Uri BRIGHTNESS_ADJ_URI;
private final int mMinBrightness;
private final int mMaxBrightness;
private final int mMinVrBrightness;
private final int mMaxVrBrightness;
private final float mMinBrightness;
private final float mMaxBrightness;
private final float mMinVrBrightness;
private final float mMaxVrBrightness;
private final ContentResolver mContentResolver;
private Preference mPreference;
static {
BRIGHTNESS_URI = System.getUriFor(System.SCREEN_BRIGHTNESS);
BRIGHTNESS_URI = System.getUriFor(System.SCREEN_BRIGHTNESS_FLOAT);
BRIGHTNESS_FOR_VR_URI = System.getUriFor(System.SCREEN_BRIGHTNESS_FOR_VR);
BRIGHTNESS_ADJ_URI = System.getUriFor(System.SCREEN_AUTO_BRIGHTNESS_ADJ);
}
@@ -80,10 +81,14 @@ public class BrightnessLevelPreferenceController extends AbstractPreferenceContr
lifecycle.addObserver(this);
}
PowerManager powerManager = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
mMinBrightness = powerManager.getMinimumScreenBrightnessSetting();
mMaxBrightness = powerManager.getMaximumScreenBrightnessSetting();
mMinVrBrightness = powerManager.getMinimumScreenBrightnessForVrSetting();
mMaxVrBrightness = powerManager.getMaximumScreenBrightnessForVrSetting();
mMinBrightness = powerManager.getBrightnessConstraint(
PowerManager.BRIGHTNESS_CONSTRAINT_TYPE_MINIMUM);
mMaxBrightness = powerManager.getBrightnessConstraint(
PowerManager.BRIGHTNESS_CONSTRAINT_TYPE_MAXIMUM);
mMinVrBrightness = powerManager.getBrightnessConstraint(
PowerManager.BRIGHTNESS_CONSTRAINT_TYPE_MINIMUM_VR);
mMaxVrBrightness = powerManager.getBrightnessConstraint(
PowerManager.BRIGHTNESS_CONSTRAINT_TYPE_MAXIMUM_VR);
mContentResolver = mContext.getContentResolver();
}
@@ -129,16 +134,15 @@ public class BrightnessLevelPreferenceController extends AbstractPreferenceContr
private double getCurrentBrightness() {
final int value;
if (isInVrMode()) {
value = convertLinearToGamma(System.getInt(mContentResolver,
System.SCREEN_BRIGHTNESS_FOR_VR, mMaxBrightness),
value = convertLinearToGammaFloat(System.getFloat(mContentResolver,
System.SCREEN_BRIGHTNESS_FOR_VR_FLOAT, mMaxBrightness),
mMinVrBrightness, mMaxVrBrightness);
} else {
value = convertLinearToGamma(Settings.System.getInt(mContentResolver,
System.SCREEN_BRIGHTNESS, mMinBrightness),
value = convertLinearToGammaFloat(Settings.System.getFloat(mContentResolver,
System.SCREEN_BRIGHTNESS_FLOAT, mMinBrightness),
mMinBrightness, mMaxBrightness);
}
return getPercentage(value, 0, GAMMA_SPACE_MAX);
return getPercentage(value, GAMMA_SPACE_MIN, GAMMA_SPACE_MAX);
}
private double getPercentage(double value, int min, int max) {