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Commit 97ef90f0 authored by Ady Abraham's avatar Ady Abraham
Browse files

TouchLatency: add a menu option to select frame rate 

Add a new menu option that will set the preferredDisplayRefreshRate.

Bug: 257071160
Test: run TouchLatency app
Change-Id: I3cf0bcb36613d2fd38fce3e478b0f5efd9c1279c
parent 2ff1284e

tests/TouchLatency/Android.bp

+1 −0
Original line number Diff line number Diff line
@@ -12,6 +12,7 @@ android_test { 
    manifest: "app/src/main/AndroidManifest.xml",

    // omit gradle 'build' dir

    srcs: ["app/src/main/java/**/*.java"],

    static_libs: ["com.google.android.material_material"],

    resource_dirs: ["app/src/main/res"],

    aaptflags: ["--auto-add-overlay"],

    sdk_version: "current",

tests/TouchLatency/app/build.gradle

+6 −1
Original line number Diff line number Diff line
@@ -6,7 +6,7 @@ android { 


    defaultConfig {

        applicationId "com.prefabulated.touchlatency"

        minSdkVersion 28

        minSdkVersion 30

        targetSdkVersion 33

        versionCode 1

        versionName "1.0"
@@ -17,4 +17,9 @@ android { 
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'

        }

    }



    dependencies {

        implementation 'androidx.appcompat:appcompat:1.5.1'

        implementation 'com.google.android.material:material:1.6.0'

    }

}

tests/TouchLatency/app/src/main/java/com/prefabulated/touchlatency/TouchLatencyActivity.java

+75 −17
Original line number Diff line number Diff line
@@ -16,7 +16,6 @@ 


package com.prefabulated.touchlatency;



import android.app.Activity;

import android.app.ActivityOptions;

import android.content.Intent;

import android.hardware.display.DisplayManager;
@@ -30,25 +29,49 @@ import android.view.MenuItem; 
import android.view.Window;

import android.view.WindowManager;



public class TouchLatencyActivity extends Activity {

    private Mode mDisplayModes[];

import androidx.annotation.NonNull;

import androidx.appcompat.app.AppCompatActivity;



import com.google.android.material.slider.RangeSlider;

import com.google.android.material.slider.RangeSlider.OnChangeListener;



public class TouchLatencyActivity extends AppCompatActivity {

    private static final int REFRESH_RATE_SLIDER_MIN = 20;

    private static final int REFRESH_RATE_SLIDER_STEP = 5;



    private Menu mMenu;

    private Mode[] mDisplayModes;

    private int mCurrentModeIndex;

    private float mSliderPreferredRefreshRate;

    private DisplayManager mDisplayManager;



    private final DisplayManager.DisplayListener mDisplayListener =

            new DisplayManager.DisplayListener() {

        @Override

        public void onDisplayAdded(int i) {

            invalidateOptionsMenu();

            updateOptionsMenu();

        }



        @Override

        public void onDisplayRemoved(int i) {

            invalidateOptionsMenu();

            updateOptionsMenu();

        }



        @Override

        public void onDisplayChanged(int i) {

            invalidateOptionsMenu();

            updateOptionsMenu();

        }

    };



    private final RangeSlider.OnChangeListener mRefreshRateSliderListener = new OnChangeListener() {

        @Override

        public void onValueChange(@NonNull RangeSlider slider, float value, boolean fromUser) {

            if (value == mSliderPreferredRefreshRate) return;



            mSliderPreferredRefreshRate = value;

            WindowManager.LayoutParams w = getWindow().getAttributes();

            w.preferredRefreshRate = mSliderPreferredRefreshRate;

            getWindow().setAttributes(w);

        }

    };
@@ -75,17 +98,23 @@ public class TouchLatencyActivity extends Activity { 
        Trace.endSection();

    }



    @Override

    public boolean onCreateOptionsMenu(Menu menu) {

        Trace.beginSection("TouchLatencyActivity onCreateOptionsMenu");

        // Inflate the menu; this adds items to the action bar if it is present.

        getMenuInflater().inflate(R.menu.menu_touch_latency, menu);

    public void updateOptionsMenu() {

        if (mDisplayModes.length > 1) {

            MenuItem menuItem = menu.findItem(R.id.display_mode);

            MenuItem menuItem = mMenu.findItem(R.id.display_mode);

            Mode currentMode = getWindowManager().getDefaultDisplay().getMode();

            updateDisplayMode(menuItem, currentMode);

        }

        updateMultiDisplayMenu(menu.findItem(R.id.multi_display));

        updateRefreshRateMenu(mMenu.findItem(R.id.frame_rate));

        updateMultiDisplayMenu(mMenu.findItem(R.id.multi_display));

    }



    @Override

    public boolean onCreateOptionsMenu(Menu menu) {

        Trace.beginSection("TouchLatencyActivity onCreateOptionsMenu");

        mMenu = menu;

        // Inflate the menu; this adds items to the action bar if it is present.

        getMenuInflater().inflate(R.menu.menu_touch_latency, mMenu);

        updateOptionsMenu();

        Trace.endSection();

        return true;

    }
@@ -96,6 +125,32 @@ public class TouchLatencyActivity extends Activity { 
        menuItem.setVisible(true);

    }



    private float getHighestRefreshRate() {

        float maxRefreshRate = 0;

        for (Display.Mode mode : getDisplay().getSupportedModes()) {

            if (sameSizeMode(mode) && mode.getRefreshRate() > maxRefreshRate) {

                maxRefreshRate = mode.getRefreshRate();

            }

        }

        return maxRefreshRate;

    }



    private void updateRefreshRateMenu(MenuItem item) {

        item.setActionView(R.layout.refresh_rate_layout);

        RangeSlider slider = item.getActionView().findViewById(R.id.slider_from_layout);

        slider.addOnChangeListener(mRefreshRateSliderListener);



        float highestRefreshRate = getHighestRefreshRate();

        slider.setValueFrom(REFRESH_RATE_SLIDER_MIN);

        slider.setValueTo(highestRefreshRate);

        slider.setStepSize(REFRESH_RATE_SLIDER_STEP);

        if (mSliderPreferredRefreshRate < REFRESH_RATE_SLIDER_MIN

                || mSliderPreferredRefreshRate > highestRefreshRate) {

            mSliderPreferredRefreshRate = highestRefreshRate;

        }

        slider.setValues(mSliderPreferredRefreshRate);

    }



    private void updateMultiDisplayMenu(MenuItem item) {

        item.setVisible(mDisplayManager.getDisplays().length > 1);

    }
@@ -105,6 +160,12 @@ public class TouchLatencyActivity extends Activity { 
        mDisplayManager.registerDisplayListener(mDisplayListener, new Handler());

    }



    private boolean sameSizeMode(Display.Mode mode) {

        Mode currentMode = mDisplayModes[mCurrentModeIndex];

        return currentMode.getPhysicalHeight() == mode.getPhysicalHeight()

            && currentMode.getPhysicalWidth() == mode.getPhysicalWidth();

    }



    public void changeDisplayMode(MenuItem item) {

        Window w = getWindow();

        WindowManager.LayoutParams params = w.getAttributes();
@@ -112,10 +173,7 @@ public class TouchLatencyActivity extends Activity { 
        int modeIndex = (mCurrentModeIndex + 1) % mDisplayModes.length;

        while (modeIndex != mCurrentModeIndex) {

            // skip modes with different resolutions

            Mode currentMode = mDisplayModes[mCurrentModeIndex];

            Mode nextMode = mDisplayModes[modeIndex];

            if (currentMode.getPhysicalHeight() == nextMode.getPhysicalHeight()

                    && currentMode.getPhysicalWidth() == nextMode.getPhysicalWidth()) {

            if (sameSizeMode(mDisplayModes[modeIndex])) {

                break;

            }

            modeIndex = (modeIndex + 1) % mDisplayModes.length;

tests/TouchLatency/app/src/main/res/layout/refresh_rate_layout.xml

0 → 100644
+16 −0
Original line number Diff line number Diff line 
<?xml version="1.0" encoding="utf-8"?>

<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    xmlns:app="http://schemas.android.com/apk/res-auto">



        <com.google.android.material.slider.RangeSlider

            android:id="@+id/slider_from_layout"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            app:tickColor="@color/cardview_light_background"

            app:trackColor="@color/cardview_light_background"

            app:thumbColor="@color/cardview_dark_background"

            android:visibility="visible"/>



</androidx.constraintlayout.widget.ConstraintLayout>
 
 No newline at end of file

tests/TouchLatency/app/src/main/res/menu/menu_touch_latency.xml

+11 −7
Original line number Diff line number Diff line
@@ -14,21 +14,25 @@ 
     limitations under the License.

-->

<menu xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:app="http://schemas.android.com/apk/res-auto"

    xmlns:tools="http://schemas.android.com/tools" tools:context=".TouchLatencyActivity">

    <item

        android:id="@+id/action_settings"

        android:orderInCategory="101"

        android:showAsAction="always"

        android:title="@string/mode"/>

        android:title="@string/mode"

        app:showAsAction="always" />

    <item

        android:id="@+id/frame_rate"

        android:title="@string/frame_rate"

        app:showAsAction="collapseActionView" />

    <item

        android:id="@+id/display_mode"

        android:showAsAction="ifRoom"

        android:title="@string/display_mode"

        android:visible="false"/>



        android:visible="false"

        app:showAsAction="always" />

    <item

        android:id="@+id/multi_display"

        android:showAsAction="ifRoom"

        android:title="@string/multi_display"

        android:visible="false"/>

        android:visible="false"

        app:showAsAction="ifRoom" />

</menu>