Add fallback to get DisplayInfo
PR #3416 <https://github.com/Genymobile/scrcpy/pull/3416> Signed-off-by: Romain Vimont <rom@rom1v.com>
This commit is contained in:
SeungHoon Han
Romain Vimont
parent
00e9e69c2a
commit
949b64dff2
4 changed files with 266 additions and 1 deletions
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@ -30,4 +30,14 @@ public final class Command {
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}
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return result;
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}
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public static String execReadOutput(String... cmd) throws IOException, InterruptedException {
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Process process = Runtime.getRuntime().exec(cmd);
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String output = IO.toString(process.getInputStream());
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int exitCode = process.waitFor();
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if (exitCode != 0) {
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throw new IOException("Command " + Arrays.toString(cmd) + " returned with value " + exitCode);
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}
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return output;
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}
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}
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@ -6,7 +6,9 @@ import android.system.OsConstants;
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import java.io.FileDescriptor;
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import java.io.IOException;
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import java.io.InputStream;
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import java.nio.ByteBuffer;
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import java.util.Scanner;
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public final class IO {
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private IO() {
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@ -37,4 +39,13 @@ public final class IO {
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public static void writeFully(FileDescriptor fd, byte[] buffer, int offset, int len) throws IOException {
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writeFully(fd, ByteBuffer.wrap(buffer, offset, len));
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}
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public static String toString(InputStream inputStream) {
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StringBuilder builder = new StringBuilder();
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Scanner scanner = new Scanner(inputStream);
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while (scanner.hasNextLine()) {
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builder.append(scanner.nextLine()).append('\n');
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}
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return builder.toString();
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}
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}
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@ -1,8 +1,16 @@
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package com.genymobile.scrcpy.wrappers;
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import com.genymobile.scrcpy.Command;
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import com.genymobile.scrcpy.DisplayInfo;
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import com.genymobile.scrcpy.Ln;
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import com.genymobile.scrcpy.Size;
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import android.view.Display;
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import java.lang.reflect.Field;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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public final class DisplayManager {
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private final Object manager; // instance of hidden class android.hardware.display.DisplayManagerGlobal
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@ -10,11 +18,61 @@ public final class DisplayManager {
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this.manager = manager;
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}
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// public to call it from unit tests
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public static DisplayInfo parseDisplayInfo(String dumpsysDisplayOutput, int displayId) {
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Pattern regex = Pattern.compile(
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"^ mOverrideDisplayInfo=DisplayInfo\\{\".*?\", displayId " + displayId + ".*?(, FLAG_.*)?, real ([0-9]+) x ([0-9]+).*?, "
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+ "rotation ([0-9]+).*?, layerStack ([0-9]+)",
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Pattern.MULTILINE);
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Matcher m = regex.matcher(dumpsysDisplayOutput);
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if (!m.find()) {
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return null;
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}
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int flags = parseDisplayFlags(m.group(1));
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int width = Integer.parseInt(m.group(2));
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int height = Integer.parseInt(m.group(3));
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int rotation = Integer.parseInt(m.group(4));
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int layerStack = Integer.parseInt(m.group(5));
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return new DisplayInfo(displayId, new Size(width, height), rotation, layerStack, flags);
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}
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private static DisplayInfo getDisplayInfoFromDumpsysDisplay(int displayId) {
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try {
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String dumpsysDisplayOutput = Command.execReadOutput("dumpsys", "display");
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return parseDisplayInfo(dumpsysDisplayOutput, displayId);
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} catch (Exception e) {
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Ln.e("Could not get display info from \"dumpsys display\" output", e);
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return null;
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}
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}
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private static int parseDisplayFlags(String text) {
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Pattern regex = Pattern.compile("FLAG_[A-Z_]+");
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if (text == null) {
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return 0;
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}
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int flags = 0;
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Matcher m = regex.matcher(text);
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while (m.find()) {
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String flagString = m.group();
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try {
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Field filed = Display.class.getDeclaredField(flagString);
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flags |= filed.getInt(null);
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} catch (NoSuchFieldException | IllegalAccessException e) {
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// Silently ignore, some flags reported by "dumpsys display" are @TestApi
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}
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}
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return flags;
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}
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public DisplayInfo getDisplayInfo(int displayId) {
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try {
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Object displayInfo = manager.getClass().getMethod("getDisplayInfo", int.class).invoke(manager, displayId);
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if (displayInfo == null) {
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return null;
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// fallback when displayInfo is null
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return getDisplayInfoFromDumpsysDisplay(displayId);
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}
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Class<?> cls = displayInfo.getClass();
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// width and height already take the rotation into account
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@ -0,0 +1,186 @@
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package com.genymobile.scrcpy;
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import com.genymobile.scrcpy.wrappers.DisplayManager;
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import android.view.Display;
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import org.junit.Assert;
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import org.junit.Test;
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public class CommandParserTest {
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@Test
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public void testParseDisplayInfoFromDumpsysDisplay() {
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/* @formatter:off */
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String partialOutput = "Logical Displays: size=1\n"
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+ " Display 0:\n"
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+ "mDisplayId=0\n"
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+ " mLayerStack=0\n"
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+ " mHasContent=true\n"
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+ " mDesiredDisplayModeSpecs={baseModeId=2 primaryRefreshRateRange=[90 90] appRequestRefreshRateRange=[90 90]}\n"
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+ " mRequestedColorMode=0\n"
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+ " mDisplayOffset=(0, 0)\n"
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+ " mDisplayScalingDisabled=false\n"
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+ " mPrimaryDisplayDevice=Built-in Screen\n"
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+ " mBaseDisplayInfo=DisplayInfo{\"Built-in Screen\", displayId 0, FLAG_SECURE, FLAG_SUPPORTS_PROTECTED_BUFFERS, FLAG_TRUSTED, "
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+ "real 1440 x 3120, largest app 1440 x 3120, smallest app 1440 x 3120, appVsyncOff 2000000, presDeadline 11111111, mode 2, "
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+ "defaultMode 1, modes [{id=1, width=1440, height=3120, fps=60.0}, {id=2, width=1440, height=3120, fps=90.0}, {id=3, width=1080, "
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+ "height=2340, fps=90.0}, {id=4, width=1080, height=2340, fps=60.0}], hdrCapabilities HdrCapabilities{mSupportedHdrTypes=[2, 3, 4], "
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+ "mMaxLuminance=540.0, mMaxAverageLuminance=270.1, mMinLuminance=0.2}, minimalPostProcessingSupported false, rotation 0, state OFF, "
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+ "type INTERNAL, uniqueId \"local:0\", app 1440 x 3120, density 600 (515.154 x 514.597) dpi, layerStack 0, colorMode 0, "
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+ "supportedColorModes [0, 7, 9], address {port=129, model=0}, deviceProductInfo DeviceProductInfo{name=, manufacturerPnpId=QCM, "
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+ "productId=1, modelYear=null, manufactureDate=ManufactureDate{week=27, year=2006}, relativeAddress=null}, removeMode 0}\n"
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+ " mOverrideDisplayInfo=DisplayInfo{\"Built-in Screen\", displayId 0, FLAG_SECURE, FLAG_SUPPORTS_PROTECTED_BUFFERS, "
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+ "FLAG_TRUSTED, real 1440 x 3120, largest app 3120 x 2983, smallest app 1440 x 1303, appVsyncOff 2000000, presDeadline 11111111, "
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+ "mode 2, defaultMode 1, modes [{id=1, width=1440, height=3120, fps=60.0}, {id=2, width=1440, height=3120, fps=90.0}, {id=3, "
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+ "width=1080, height=2340, fps=90.0}, {id=4, width=1080, height=2340, fps=60.0}], hdrCapabilities "
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+ "HdrCapabilities{mSupportedHdrTypes=[2, 3, 4], mMaxLuminance=540.0, mMaxAverageLuminance=270.1, mMinLuminance=0.2}, "
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+ "minimalPostProcessingSupported false, rotation 0, state ON, type INTERNAL, uniqueId \"local:0\", app 1440 x 3120, density 600 "
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+ "(515.154 x 514.597) dpi, layerStack 0, colorMode 0, supportedColorModes [0, 7, 9], address {port=129, model=0}, deviceProductInfo "
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+ "DeviceProductInfo{name=, manufacturerPnpId=QCM, productId=1, modelYear=null, manufactureDate=ManufactureDate{week=27, year=2006}, "
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+ "relativeAddress=null}, removeMode 0}\n"
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+ " mRequestedMinimalPostProcessing=false\n";
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DisplayInfo displayInfo = DisplayManager.parseDisplayInfo(partialOutput, 0);
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Assert.assertNotNull(displayInfo);
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Assert.assertEquals(0, displayInfo.getDisplayId());
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Assert.assertEquals(0, displayInfo.getRotation());
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Assert.assertEquals(0, displayInfo.getLayerStack());
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// FLAG_TRUSTED does not exist in Display (@TestApi), so it won't be reported
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Assert.assertEquals(Display.FLAG_SECURE | Display.FLAG_SUPPORTS_PROTECTED_BUFFERS, displayInfo.getFlags());
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Assert.assertEquals(1440, displayInfo.getSize().getWidth());
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Assert.assertEquals(3120, displayInfo.getSize().getHeight());
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}
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@Test
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public void testParseDisplayInfoFromDumpsysDisplayWithRotation() {
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/* @formatter:off */
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String partialOutput = "Logical Displays: size=1\n"
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+ " Display 0:\n"
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+ "mDisplayId=0\n"
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+ " mLayerStack=0\n"
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+ " mHasContent=true\n"
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+ " mDesiredDisplayModeSpecs={baseModeId=2 primaryRefreshRateRange=[90 90] appRequestRefreshRateRange=[90 90]}\n"
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+ " mRequestedColorMode=0\n"
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+ " mDisplayOffset=(0, 0)\n"
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+ " mDisplayScalingDisabled=false\n"
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+ " mPrimaryDisplayDevice=Built-in Screen\n"
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+ " mBaseDisplayInfo=DisplayInfo{\"Built-in Screen\", displayId 0, FLAG_SECURE, FLAG_SUPPORTS_PROTECTED_BUFFERS, FLAG_TRUSTED, "
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+ "real 1440 x 3120, largest app 1440 x 3120, smallest app 1440 x 3120, appVsyncOff 2000000, presDeadline 11111111, mode 2, "
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+ "defaultMode 1, modes [{id=1, width=1440, height=3120, fps=60.0}, {id=2, width=1440, height=3120, fps=90.0}, {id=3, width=1080, "
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+ "height=2340, fps=90.0}, {id=4, width=1080, height=2340, fps=60.0}], hdrCapabilities HdrCapabilities{mSupportedHdrTypes=[2, 3, 4], "
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+ "mMaxLuminance=540.0, mMaxAverageLuminance=270.1, mMinLuminance=0.2}, minimalPostProcessingSupported false, rotation 0, state ON, "
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+ "type INTERNAL, uniqueId \"local:0\", app 1440 x 3120, density 600 (515.154 x 514.597) dpi, layerStack 0, colorMode 0, "
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+ "supportedColorModes [0, 7, 9], address {port=129, model=0}, deviceProductInfo DeviceProductInfo{name=, manufacturerPnpId=QCM, "
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+ "productId=1, modelYear=null, manufactureDate=ManufactureDate{week=27, year=2006}, relativeAddress=null}, removeMode 0}\n"
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+ " mOverrideDisplayInfo=DisplayInfo{\"Built-in Screen\", displayId 0, FLAG_SECURE, FLAG_SUPPORTS_PROTECTED_BUFFERS, "
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+ "FLAG_TRUSTED, real 3120 x 1440, largest app 3120 x 2983, smallest app 1440 x 1303, appVsyncOff 2000000, presDeadline 11111111, "
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+ "mode 2, defaultMode 1, modes [{id=1, width=1440, height=3120, fps=60.0}, {id=2, width=1440, height=3120, fps=90.0}, {id=3, "
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+ "width=1080, height=2340, fps=90.0}, {id=4, width=1080, height=2340, fps=60.0}], hdrCapabilities "
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+ "HdrCapabilities{mSupportedHdrTypes=[2, 3, 4], mMaxLuminance=540.0, mMaxAverageLuminance=270.1, mMinLuminance=0.2}, "
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+ "minimalPostProcessingSupported false, rotation 3, state ON, type INTERNAL, uniqueId \"local:0\", app 3120 x 1440, density 600 "
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+ "(515.154 x 514.597) dpi, layerStack 0, colorMode 0, supportedColorModes [0, 7, 9], address {port=129, model=0}, deviceProductInfo "
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+ "DeviceProductInfo{name=, manufacturerPnpId=QCM, productId=1, modelYear=null, manufactureDate=ManufactureDate{week=27, year=2006}, "
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+ "relativeAddress=null}, removeMode 0}\n"
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+ " mRequestedMinimalPostProcessing=false";
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DisplayInfo displayInfo = DisplayManager.parseDisplayInfo(partialOutput, 0);
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Assert.assertNotNull(displayInfo);
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Assert.assertEquals(0, displayInfo.getDisplayId());
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Assert.assertEquals(3, displayInfo.getRotation());
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Assert.assertEquals(0, displayInfo.getLayerStack());
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// FLAG_TRUSTED does not exist in Display (@TestApi), so it won't be reported
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Assert.assertEquals(Display.FLAG_SECURE | Display.FLAG_SUPPORTS_PROTECTED_BUFFERS, displayInfo.getFlags());
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Assert.assertEquals(3120, displayInfo.getSize().getWidth());
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Assert.assertEquals(1440, displayInfo.getSize().getHeight());
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}
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@Test
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public void testParseDisplayInfoFromDumpsysDisplayAPI31() {
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/* @formatter:off */
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String partialOutput = "Logical Displays: size=1\n"
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+ " Display 0:\n"
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+ " mDisplayId=0\n"
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+ " mPhase=1\n"
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+ " mLayerStack=0\n"
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+ " mHasContent=true\n"
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+ " mDesiredDisplayModeSpecs={baseModeId=1 allowGroupSwitching=false primaryRefreshRateRange=[0 60] appRequestRefreshRateRange=[0 "
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+ "Infinity]}\n"
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+ " mRequestedColorMode=0\n"
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+ " mDisplayOffset=(0, 0)\n"
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+ " mDisplayScalingDisabled=false\n"
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+ " mPrimaryDisplayDevice=Built-in Screen\n"
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+ " mBaseDisplayInfo=DisplayInfo{\"Built-in Screen\", displayId 0\", displayGroupId 0, FLAG_SECURE, "
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+ "FLAG_SUPPORTS_PROTECTED_BUFFERS, FLAG_TRUSTED, real 1080 x 2280, largest app 1080 x 2280, smallest app 1080 x 2280, appVsyncOff "
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+ "1000000, presDeadline 16666666, mode 1, defaultMode 1, modes [{id=1, width=1080, height=2280, fps=60.000004, "
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+ "alternativeRefreshRates=[]}], hdrCapabilities HdrCapabilities{mSupportedHdrTypes=[], mMaxLuminance=500.0, "
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+ "mMaxAverageLuminance=500.0, mMinLuminance=0.0}, userDisabledHdrTypes [], minimalPostProcessingSupported false, rotation 0, state "
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+ "ON, type INTERNAL, uniqueId \"local:0\", app 1080 x 2280, density 440 (440.0 x 440.0) dpi, layerStack 0, colorMode 0, "
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+ "supportedColorModes [0], address {port=0, model=0}, deviceProductInfo DeviceProductInfo{name=EMU_display_0, "
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+ "manufacturerPnpId=GGL, productId=1, modelYear=null, manufactureDate=ManufactureDate{week=27, year=2006}, connectionToSinkType=0}, "
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+ "removeMode 0, refreshRateOverride 0.0, brightnessMinimum 0.0, brightnessMaximum 1.0, brightnessDefault 0.39763778}\n"
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+ " mOverrideDisplayInfo=DisplayInfo{\"Built-in Screen\", displayId 0\", displayGroupId 0, FLAG_SECURE, "
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+ "FLAG_SUPPORTS_PROTECTED_BUFFERS, FLAG_TRUSTED, real 1080 x 2280, largest app 2148 x 2065, smallest app 1080 x 997, appVsyncOff "
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+ "1000000, presDeadline 16666666, mode 1, defaultMode 1, modes [{id=1, width=1080, height=2280, fps=60.000004, "
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+ "alternativeRefreshRates=[]}], hdrCapabilities HdrCapabilities{mSupportedHdrTypes=[], mMaxLuminance=500.0, "
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+ "mMaxAverageLuminance=500.0, mMinLuminance=0.0}, userDisabledHdrTypes [], minimalPostProcessingSupported false, rotation 0, state "
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+ "ON, type INTERNAL, uniqueId \"local:0\", app 1080 x 2148, density 440 (440.0 x 440.0) dpi, layerStack 0, colorMode 0, "
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+ "supportedColorModes [0], address {port=0, model=0}, deviceProductInfo DeviceProductInfo{name=EMU_display_0, "
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+ "manufacturerPnpId=GGL, productId=1, modelYear=null, manufactureDate=ManufactureDate{week=27, year=2006}, connectionToSinkType=0}, "
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+ "removeMode 0, refreshRateOverride 0.0, brightnessMinimum 0.0, brightnessMaximum 1.0, brightnessDefault 0.39763778}\n"
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+ " mRequestedMinimalPostProcessing=false\n"
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+ " mFrameRateOverrides=[]\n"
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+ " mPendingFrameRateOverrideUids={}\n";
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DisplayInfo displayInfo = DisplayManager.parseDisplayInfo(partialOutput, 0);
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Assert.assertNotNull(displayInfo);
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Assert.assertEquals(0, displayInfo.getDisplayId());
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Assert.assertEquals(0, displayInfo.getRotation());
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Assert.assertEquals(0, displayInfo.getLayerStack());
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// FLAG_TRUSTED does not exist in Display (@TestApi), so it won't be reported
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Assert.assertEquals(Display.FLAG_SECURE | Display.FLAG_SUPPORTS_PROTECTED_BUFFERS, displayInfo.getFlags());
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Assert.assertEquals(1080, displayInfo.getSize().getWidth());
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Assert.assertEquals(2280, displayInfo.getSize().getHeight());
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}
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@Test
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public void testParseDisplayInfoFromDumpsysDisplayAPI31NoFlags() {
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/* @formatter:off */
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String partialOutput = "Logical Displays: size=1\n"
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+ " Display 0:\n"
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+ " mDisplayId=0\n"
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+ " mPhase=1\n"
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+ " mLayerStack=0\n"
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+ " mHasContent=true\n"
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+ " mDesiredDisplayModeSpecs={baseModeId=1 allowGroupSwitching=false primaryRefreshRateRange=[0 60] appRequestRefreshRateRange=[0 "
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+ "Infinity]}\n"
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+ " mRequestedColorMode=0\n"
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+ " mDisplayOffset=(0, 0)\n"
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+ " mDisplayScalingDisabled=false\n"
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+ " mPrimaryDisplayDevice=Built-in Screen\n"
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+ " mBaseDisplayInfo=DisplayInfo{\"Built-in Screen\", displayId 0\", displayGroupId 0, "
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+ "real 1080 x 2280, largest app 1080 x 2280, smallest app 1080 x 2280, appVsyncOff "
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+ "1000000, presDeadline 16666666, mode 1, defaultMode 1, modes [{id=1, width=1080, height=2280, fps=60.000004, "
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+ "alternativeRefreshRates=[]}], hdrCapabilities HdrCapabilities{mSupportedHdrTypes=[], mMaxLuminance=500.0, "
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+ "mMaxAverageLuminance=500.0, mMinLuminance=0.0}, userDisabledHdrTypes [], minimalPostProcessingSupported false, rotation 0, state "
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+ "ON, type INTERNAL, uniqueId \"local:0\", app 1080 x 2280, density 440 (440.0 x 440.0) dpi, layerStack 0, colorMode 0, "
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+ "supportedColorModes [0], address {port=0, model=0}, deviceProductInfo DeviceProductInfo{name=EMU_display_0, "
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+ "manufacturerPnpId=GGL, productId=1, modelYear=null, manufactureDate=ManufactureDate{week=27, year=2006}, connectionToSinkType=0}, "
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+ "removeMode 0, refreshRateOverride 0.0, brightnessMinimum 0.0, brightnessMaximum 1.0, brightnessDefault 0.39763778}\n"
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+ " mOverrideDisplayInfo=DisplayInfo{\"Built-in Screen\", displayId 0\", displayGroupId 0, "
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+ "real 1080 x 2280, largest app 2148 x 2065, smallest app 1080 x 997, appVsyncOff "
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+ "1000000, presDeadline 16666666, mode 1, defaultMode 1, modes [{id=1, width=1080, height=2280, fps=60.000004, "
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+ "alternativeRefreshRates=[]}], hdrCapabilities HdrCapabilities{mSupportedHdrTypes=[], mMaxLuminance=500.0, "
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+ "mMaxAverageLuminance=500.0, mMinLuminance=0.0}, userDisabledHdrTypes [], minimalPostProcessingSupported false, rotation 0, state "
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+ "ON, type INTERNAL, uniqueId \"local:0\", app 1080 x 2148, density 440 (440.0 x 440.0) dpi, layerStack 0, colorMode 0, "
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+ "supportedColorModes [0], address {port=0, model=0}, deviceProductInfo DeviceProductInfo{name=EMU_display_0, "
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+ "manufacturerPnpId=GGL, productId=1, modelYear=null, manufactureDate=ManufactureDate{week=27, year=2006}, connectionToSinkType=0}, "
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+ "removeMode 0, refreshRateOverride 0.0, brightnessMinimum 0.0, brightnessMaximum 1.0, brightnessDefault 0.39763778}\n"
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+ " mRequestedMinimalPostProcessing=false\n"
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+ " mFrameRateOverrides=[]\n"
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+ " mPendingFrameRateOverrideUids={}\n";
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DisplayInfo displayInfo = DisplayManager.parseDisplayInfo(partialOutput, 0);
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Assert.assertNotNull(displayInfo);
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Assert.assertEquals(0, displayInfo.getDisplayId());
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Assert.assertEquals(0, displayInfo.getRotation());
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Assert.assertEquals(0, displayInfo.getLayerStack());
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Assert.assertEquals(0, displayInfo.getFlags());
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Assert.assertEquals(1080, displayInfo.getSize().getWidth());
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Assert.assertEquals(2280, displayInfo.getSize().getHeight());
|
||||
}
|
||||
}
|
||||
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Reference in a new issue