Use explicit constants for Android versions

Who remembers code names? This avoids to check the mapping every time.

server/src/main/java/com/genymobile/scrcpy/AndroidVersions.java

@@ -0,0 +1,32 @@
+package com.genymobile.scrcpy;
+
+import android.os.Build;
+
+/**
+ * Android version code constants, done right.
+ * <p/>
+ * <a href="https://apilevels.com/">API levels</a>
+ */
+public final class AndroidVersions {
+
+    private AndroidVersions() {
+        // not instantiable
+    }
+
+    public static final int API_20_ANDROID_4_4 = Build.VERSION_CODES.KITKAT_WATCH;
+    public static final int API_21_ANDROID_5_0 = Build.VERSION_CODES.LOLLIPOP;
+    public static final int API_22_ANDROID_5_1 = Build.VERSION_CODES.LOLLIPOP_MR1;
+    public static final int API_23_ANDROID_6_0 = Build.VERSION_CODES.M;
+    public static final int API_24_ANDROID_7_0 = Build.VERSION_CODES.N;
+    public static final int API_25_ANDROID_7_1 = Build.VERSION_CODES.N_MR1;
+    public static final int API_26_ANDROID_8_0 = Build.VERSION_CODES.O;
+    public static final int API_27_ANDROID_8_1 = Build.VERSION_CODES.O_MR1;
+    public static final int API_28_ANDROID_9 = Build.VERSION_CODES.P;
+    public static final int API_29_ANDROID_10 = Build.VERSION_CODES.Q;
+    public static final int API_30_ANDROID_11 = Build.VERSION_CODES.R;
+    public static final int API_31_ANDROID_12 = Build.VERSION_CODES.S;
+    public static final int API_32_ANDROID_12L = Build.VERSION_CODES.S_V2;
+    public static final int API_33_ANDROID_13 = Build.VERSION_CODES.TIRAMISU;
+    public static final int API_34_ANDROID_14 = Build.VERSION_CODES.UPSIDE_DOWN_CAKE;
+
+}

server/src/main/java/com/genymobile/scrcpy/FakeContext.java

@@ -4,7 +4,6 @@ import android.annotation.TargetApi;
 import android.content.AttributionSource;
 import android.content.Context;
 import android.content.ContextWrapper;
-import android.os.Build;
 import android.os.Process;
 
 public final class FakeContext extends ContextWrapper {
@@ -32,7 +31,7 @@ public final class FakeContext extends ContextWrapper {
         return PACKAGE_NAME;
     }
 
-    @TargetApi(Build.VERSION_CODES.S)
+    @TargetApi(AndroidVersions.API_31_ANDROID_12)
     @Override
     public AttributionSource getAttributionSource() {
         AttributionSource.Builder builder = new AttributionSource.Builder(Process.SHELL_UID);

server/src/main/java/com/genymobile/scrcpy/Server.java

@@ -121,7 +121,7 @@ public final class Server {
     }
 
     private static void scrcpy(Options options) throws IOException, ConfigurationException {
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.S && options.getVideoSource() == VideoSource.CAMERA) {
+        if (Build.VERSION.SDK_INT < AndroidVersions.API_31_ANDROID_12 && options.getVideoSource() == VideoSource.CAMERA) {
             Ln.e("Camera mirroring is not supported before Android 12");
             throw new ConfigurationException("Camera mirroring is not supported");
         }

server/src/main/java/com/genymobile/scrcpy/Workarounds.java

@@ -52,7 +52,7 @@ public final class Workarounds {
     }
 
     public static void apply() {
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+        if (Build.VERSION.SDK_INT >= AndroidVersions.API_31_ANDROID_12) {
             // On some Samsung devices, DisplayManagerGlobal.getDisplayInfoLocked() calls ActivityThread.currentActivityThread().getConfiguration(),
             // which requires a non-null ConfigurationController.
             // ConfigurationController was introduced in Android 12, so do not attempt to set it on lower versions.
@@ -155,7 +155,7 @@ public final class Workarounds {
         }
     }
 
-    @TargetApi(Build.VERSION_CODES.R)
+    @TargetApi(AndroidVersions.API_30_ANDROID_11)
     @SuppressLint("WrongConstant,MissingPermission")
     public static AudioRecord createAudioRecord(int source, int sampleRate, int channelConfig, int channels, int channelMask, int encoding) throws
             AudioCaptureException {
@@ -226,7 +226,7 @@ public final class Workarounds {
             int[] session = new int[]{AudioManager.AUDIO_SESSION_ID_GENERATE};
 
             int initResult;
-            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.S) {
+            if (Build.VERSION.SDK_INT < AndroidVersions.API_31_ANDROID_12) {
                 // private native final int native_setup(Object audiorecord_this,
                 // Object /*AudioAttributes*/ attributes,
                 // int[] sampleRate, int channelMask, int channelIndexMask, int audioFormat,
@@ -252,7 +252,7 @@ public final class Workarounds {
                     Method getParcelMethod = attributionSourceState.getClass().getDeclaredMethod("getParcel");
                     Parcel attributionSourceParcel = (Parcel) getParcelMethod.invoke(attributionSourceState);
 
-                    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.UPSIDE_DOWN_CAKE) {
+                    if (Build.VERSION.SDK_INT < AndroidVersions.API_34_ANDROID_14) {
                         // private native int native_setup(Object audiorecordThis,
                         // Object /*AudioAttributes*/ attributes,
                         // int[] sampleRate, int channelMask, int channelIndexMask, int audioFormat,

server/src/main/java/com/genymobile/scrcpy/audio/AudioDirectCapture.java

@@ -1,5 +1,6 @@
 package com.genymobile.scrcpy.audio;
 
+import com.genymobile.scrcpy.AndroidVersions;
 import com.genymobile.scrcpy.FakeContext;
 import com.genymobile.scrcpy.Workarounds;
 import com.genymobile.scrcpy.util.Ln;
@@ -45,11 +46,11 @@ public class AudioDirectCapture implements AudioCapture {
         }
     }
 
-    @TargetApi(Build.VERSION_CODES.M)
+    @TargetApi(AndroidVersions.API_23_ANDROID_6_0)
     @SuppressLint({"WrongConstant", "MissingPermission"})
     private static AudioRecord createAudioRecord(int audioSource) {
         AudioRecord.Builder builder = new AudioRecord.Builder();
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+        if (Build.VERSION.SDK_INT >= AndroidVersions.API_31_ANDROID_12) {
             // On older APIs, Workarounds.fillAppInfo() must be called beforehand
             builder.setContext(FakeContext.get());
         }
@@ -117,7 +118,7 @@ public class AudioDirectCapture implements AudioCapture {
 
     @Override
     public void checkCompatibility() throws AudioCaptureException {
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.R) {
+        if (Build.VERSION.SDK_INT < AndroidVersions.API_30_ANDROID_11) {
             Ln.w("Audio disabled: it is not supported before Android 11");
             throw new AudioCaptureException();
         }
@@ -125,7 +126,7 @@ public class AudioDirectCapture implements AudioCapture {
 
     @Override
     public void start() throws AudioCaptureException {
-        if (Build.VERSION.SDK_INT == Build.VERSION_CODES.R) {
+        if (Build.VERSION.SDK_INT == AndroidVersions.API_30_ANDROID_11) {
             startWorkaroundAndroid11();
             try {
                 tryStartRecording(5, 100);
@@ -146,7 +147,7 @@ public class AudioDirectCapture implements AudioCapture {
     }
 
     @Override
-    @TargetApi(Build.VERSION_CODES.N)
+    @TargetApi(AndroidVersions.API_24_ANDROID_7_0)
     public int read(ByteBuffer outDirectBuffer, MediaCodec.BufferInfo outBufferInfo) {
         return reader.read(outDirectBuffer, outBufferInfo);
     }

server/src/main/java/com/genymobile/scrcpy/audio/AudioEncoder.java

@@ -1,5 +1,6 @@
 package com.genymobile.scrcpy.audio;
 
+import com.genymobile.scrcpy.AndroidVersions;
 import com.genymobile.scrcpy.AsyncProcessor;
 import com.genymobile.scrcpy.device.ConfigurationException;
 import com.genymobile.scrcpy.device.Streamer;
@@ -93,7 +94,7 @@ public final class AudioEncoder implements AsyncProcessor {
         return format;
     }
 
-    @TargetApi(Build.VERSION_CODES.N)
+    @TargetApi(AndroidVersions.API_24_ANDROID_7_0)
     private void inputThread(MediaCodec mediaCodec, AudioCapture capture) throws IOException, InterruptedException {
         final MediaCodec.BufferInfo bufferInfo = new MediaCodec.BufferInfo();
 
@@ -175,9 +176,9 @@ public final class AudioEncoder implements AsyncProcessor {
         }
     }
 
-    @TargetApi(Build.VERSION_CODES.M)
+    @TargetApi(AndroidVersions.API_23_ANDROID_6_0)
     private void encode() throws IOException, ConfigurationException, AudioCaptureException {
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.R) {
+        if (Build.VERSION.SDK_INT < AndroidVersions.API_30_ANDROID_11) {
             Ln.w("Audio disabled: it is not supported before Android 11");
             streamer.writeDisableStream(false);
             return;
@@ -314,7 +315,7 @@ public final class AudioEncoder implements AsyncProcessor {
     }
 
     private final class EncoderCallback extends MediaCodec.Callback {
-        @TargetApi(Build.VERSION_CODES.N)
+        @TargetApi(AndroidVersions.API_24_ANDROID_7_0)
         @Override
         public void onInputBufferAvailable(MediaCodec codec, int index) {
             try {

server/src/main/java/com/genymobile/scrcpy/audio/AudioPlaybackCapture.java

@@ -1,5 +1,6 @@
 package com.genymobile.scrcpy.audio;
 
+import com.genymobile.scrcpy.AndroidVersions;
 import com.genymobile.scrcpy.FakeContext;
 import com.genymobile.scrcpy.util.Ln;
 
@@ -108,7 +109,7 @@ public final class AudioPlaybackCapture implements AudioCapture {
 
     @Override
     public void checkCompatibility() throws AudioCaptureException {
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU) {
+        if (Build.VERSION.SDK_INT < AndroidVersions.API_33_ANDROID_13) {
             Ln.w("Audio disabled: audio playback capture source not supported before Android 13");
             throw new AudioCaptureException();
         }
@@ -130,7 +131,7 @@ public final class AudioPlaybackCapture implements AudioCapture {
     }
 
     @Override
-    @TargetApi(Build.VERSION_CODES.N)
+    @TargetApi(AndroidVersions.API_24_ANDROID_7_0)
     public int read(ByteBuffer outDirectBuffer, MediaCodec.BufferInfo outBufferInfo) {
         return reader.read(outDirectBuffer, outBufferInfo);
     }

server/src/main/java/com/genymobile/scrcpy/audio/AudioRawRecorder.java

@@ -1,5 +1,6 @@
 package com.genymobile.scrcpy.audio;
 
+import com.genymobile.scrcpy.AndroidVersions;
 import com.genymobile.scrcpy.AsyncProcessor;
 import com.genymobile.scrcpy.device.Streamer;
 import com.genymobile.scrcpy.util.IO;
@@ -24,7 +25,7 @@ public final class AudioRawRecorder implements AsyncProcessor {
     }
 
     private void record() throws IOException, AudioCaptureException {
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.R) {
+        if (Build.VERSION.SDK_INT < AndroidVersions.API_30_ANDROID_11) {
             Ln.w("Audio disabled: it is not supported before Android 11");
             streamer.writeDisableStream(false);
             return;

server/src/main/java/com/genymobile/scrcpy/audio/AudioRecordReader.java

@@ -1,12 +1,12 @@
 package com.genymobile.scrcpy.audio;
 
+import com.genymobile.scrcpy.AndroidVersions;
 import com.genymobile.scrcpy.util.Ln;
 
 import android.annotation.TargetApi;
 import android.media.AudioRecord;
 import android.media.AudioTimestamp;
 import android.media.MediaCodec;
-import android.os.Build;
 
 import java.nio.ByteBuffer;
 
@@ -26,7 +26,7 @@ public class AudioRecordReader {
         this.recorder = recorder;
     }
 
-    @TargetApi(Build.VERSION_CODES.N)
+    @TargetApi(AndroidVersions.API_24_ANDROID_7_0)
     public int read(ByteBuffer outDirectBuffer, MediaCodec.BufferInfo outBufferInfo) {
         int r = recorder.read(outDirectBuffer, AudioConfig.MAX_READ_SIZE);
         if (r <= 0) {

server/src/main/java/com/genymobile/scrcpy/control/Controller.java

@@ -1,5 +1,6 @@
 package com.genymobile.scrcpy.control;
 
+import com.genymobile.scrcpy.AndroidVersions;
 import com.genymobile.scrcpy.AsyncProcessor;
 import com.genymobile.scrcpy.CleanUp;
 import com.genymobile.scrcpy.device.Device;
@@ -318,7 +319,7 @@ public class Controller implements AsyncProcessor {
          *
          * Otherwise, Chrome does not work properly: <https://github.com/Genymobile/scrcpy/issues/3635>
          */
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && source == InputDevice.SOURCE_MOUSE) {
+        if (Build.VERSION.SDK_INT >= AndroidVersions.API_23_ANDROID_6_0 && source == InputDevice.SOURCE_MOUSE) {
             if (action == MotionEvent.ACTION_DOWN) {
                 if (actionButton == buttons) {
                     // First button pressed: ACTION_DOWN
@@ -423,7 +424,7 @@ public class Controller implements AsyncProcessor {
 
     private void getClipboard(int copyKey) {
         // On Android >= 7, press the COPY or CUT key if requested
-        if (copyKey != ControlMessage.COPY_KEY_NONE && Build.VERSION.SDK_INT >= Build.VERSION_CODES.N && device.supportsInputEvents()) {
+        if (copyKey != ControlMessage.COPY_KEY_NONE && Build.VERSION.SDK_INT >= AndroidVersions.API_24_ANDROID_7_0 && device.supportsInputEvents()) {
             int key = copyKey == ControlMessage.COPY_KEY_COPY ? KeyEvent.KEYCODE_COPY : KeyEvent.KEYCODE_CUT;
             // Wait until the event is finished, to ensure that the clipboard text we read just after is the correct one
             device.pressReleaseKeycode(key, Device.INJECT_MODE_WAIT_FOR_FINISH);
@@ -448,7 +449,7 @@ public class Controller implements AsyncProcessor {
         }
 
         // On Android >= 7, also press the PASTE key if requested
-        if (paste && Build.VERSION.SDK_INT >= Build.VERSION_CODES.N && device.supportsInputEvents()) {
+        if (paste && Build.VERSION.SDK_INT >= AndroidVersions.API_24_ANDROID_7_0 && device.supportsInputEvents()) {
             device.pressReleaseKeycode(KeyEvent.KEYCODE_PASTE, Device.INJECT_MODE_ASYNC);
         }
 

server/src/main/java/com/genymobile/scrcpy/control/UhidManager.java

@@ -1,5 +1,6 @@
 package com.genymobile.scrcpy.control;
 
+import com.genymobile.scrcpy.AndroidVersions;
 import com.genymobile.scrcpy.util.Ln;
 import com.genymobile.scrcpy.util.StringUtils;
 
@@ -38,7 +39,7 @@ public final class UhidManager {
 
     public UhidManager(DeviceMessageSender sender) {
         this.sender = sender;
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+        if (Build.VERSION.SDK_INT >= AndroidVersions.API_23_ANDROID_6_0) {
             HandlerThread thread = new HandlerThread("UHidManager");
             thread.start();
             queue = thread.getLooper().getQueue();
@@ -71,7 +72,7 @@ public final class UhidManager {
     }
 
     private void registerUhidListener(int id, FileDescriptor fd) {
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+        if (Build.VERSION.SDK_INT >= AndroidVersions.API_23_ANDROID_6_0) {
             queue.addOnFileDescriptorEventListener(fd, MessageQueue.OnFileDescriptorEventListener.EVENT_INPUT, (fd2, events) -> {
                 try {
                     buffer.clear();
@@ -97,7 +98,7 @@ public final class UhidManager {
     }
 
     private void unregisterUhidListener(FileDescriptor fd) {
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+        if (Build.VERSION.SDK_INT >= AndroidVersions.API_23_ANDROID_6_0) {
             queue.removeOnFileDescriptorEventListener(fd);
         }
     }

server/src/main/java/com/genymobile/scrcpy/device/Device.java

@@ -1,5 +1,6 @@
 package com.genymobile.scrcpy.device;
 
+import com.genymobile.scrcpy.AndroidVersions;
 import com.genymobile.scrcpy.Options;
 import com.genymobile.scrcpy.util.Ln;
 import com.genymobile.scrcpy.util.LogUtils;
@@ -104,7 +105,7 @@ public final class Device {
             }
         }, displayId);
 
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+        if (Build.VERSION.SDK_INT >= AndroidVersions.API_29_ANDROID_10) {
             ServiceManager.getWindowManager().registerDisplayFoldListener(new IDisplayFoldListener.Stub() {
                 @Override
                 public void onDisplayFoldChanged(int displayId, boolean folded) {
@@ -161,8 +162,8 @@ public final class Device {
             Ln.w("Display doesn't have FLAG_SUPPORTS_PROTECTED_BUFFERS flag, mirroring can be restricted");
         }
 
-        // main display or any display on Android >= Q
+        // main display or any display on Android >= 10
-        supportsInputEvents = displayId == 0 || Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q;
+        supportsInputEvents = displayId == 0 || Build.VERSION.SDK_INT >= AndroidVersions.API_29_ANDROID_10;
         if (!supportsInputEvents) {
             Ln.w("Input events are not supported for secondary displays before Android 10");
         }
@@ -215,7 +216,7 @@ public final class Device {
     }
 
     public static boolean supportsInputEvents(int displayId) {
-        return displayId == 0 || Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q;
+        return displayId == 0 || Build.VERSION.SDK_INT >= AndroidVersions.API_29_ANDROID_10;
     }
 
     public boolean supportsInputEvents() {
@@ -323,10 +324,10 @@ public final class Device {
      * @param mode one of the {@code POWER_MODE_*} constants
      */
     public static boolean setScreenPowerMode(int mode) {
-        boolean applyToMultiPhysicalDisplays = Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q;
+        boolean applyToMultiPhysicalDisplays = Build.VERSION.SDK_INT >= AndroidVersions.API_29_ANDROID_10;
 
         if (applyToMultiPhysicalDisplays
-                && Build.VERSION.SDK_INT >= Build.VERSION_CODES.UPSIDE_DOWN_CAKE
+                && Build.VERSION.SDK_INT >= AndroidVersions.API_34_ANDROID_14
                 && Build.BRAND.equalsIgnoreCase("honor")
                 && SurfaceControl.hasGetBuildInDisplayMethod()) {
             // Workaround for Honor devices with Android 14:
@@ -338,7 +339,7 @@ public final class Device {
         if (applyToMultiPhysicalDisplays) {
             // On Android 14, these internal methods have been moved to DisplayControl
             boolean useDisplayControl =
-                    Build.VERSION.SDK_INT >= Build.VERSION_CODES.UPSIDE_DOWN_CAKE && !SurfaceControl.hasGetPhysicalDisplayIdsMethod();
+                    Build.VERSION.SDK_INT >= AndroidVersions.API_34_ANDROID_14 && !SurfaceControl.hasGetPhysicalDisplayIdsMethod();
 
             // Change the power mode for all physical displays
             long[] physicalDisplayIds = useDisplayControl ? DisplayControl.getPhysicalDisplayIds() : SurfaceControl.getPhysicalDisplayIds();

server/src/main/java/com/genymobile/scrcpy/util/IO.java

@@ -1,5 +1,6 @@
 package com.genymobile.scrcpy.util;
 
+import com.genymobile.scrcpy.AndroidVersions;
 import com.genymobile.scrcpy.BuildConfig;
 
 import android.os.Build;
@@ -31,7 +32,7 @@ public final class IO {
     }
 
     public static void writeFully(FileDescriptor fd, ByteBuffer from) throws IOException {
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+        if (Build.VERSION.SDK_INT >= AndroidVersions.API_23_ANDROID_6_0) {
             while (from.hasRemaining()) {
                 write(fd, from);
             }

server/src/main/java/com/genymobile/scrcpy/util/Settings.java

@@ -1,5 +1,6 @@
 package com.genymobile.scrcpy.util;
 
+import com.genymobile.scrcpy.AndroidVersions;
 import com.genymobile.scrcpy.wrappers.ContentProvider;
 import com.genymobile.scrcpy.wrappers.ServiceManager;
 
@@ -34,7 +35,7 @@ public final class Settings {
     }
 
     public static String getValue(String table, String key) throws SettingsException {
-        if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.R) {
+        if (Build.VERSION.SDK_INT <= AndroidVersions.API_30_ANDROID_11) {
             // on Android >= 12, it always fails: <https://github.com/Genymobile/scrcpy/issues/2788>
             try (ContentProvider provider = ServiceManager.getActivityManager().createSettingsProvider()) {
                 return provider.getValue(table, key);
@@ -47,7 +48,7 @@ public final class Settings {
     }
 
     public static void putValue(String table, String key, String value) throws SettingsException {
-        if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.R) {
+        if (Build.VERSION.SDK_INT <= AndroidVersions.API_30_ANDROID_11) {
             // on Android >= 12, it always fails: <https://github.com/Genymobile/scrcpy/issues/2788>
             try (ContentProvider provider = ServiceManager.getActivityManager().createSettingsProvider()) {
                 provider.putValue(table, key, value);
@@ -60,7 +61,7 @@ public final class Settings {
     }
 
     public static String getAndPutValue(String table, String key, String value) throws SettingsException {
-        if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.R) {
+        if (Build.VERSION.SDK_INT <= AndroidVersions.API_30_ANDROID_11) {
             // on Android >= 12, it always fails: <https://github.com/Genymobile/scrcpy/issues/2788>
             try (ContentProvider provider = ServiceManager.getActivityManager().createSettingsProvider()) {
                 String oldValue = provider.getValue(table, key);

server/src/main/java/com/genymobile/scrcpy/video/CameraCapture.java

@@ -1,5 +1,6 @@
 package com.genymobile.scrcpy.video;
 
+import com.genymobile.scrcpy.AndroidVersions;
 import com.genymobile.scrcpy.device.Size;
 import com.genymobile.scrcpy.util.HandlerExecutor;
 import com.genymobile.scrcpy.util.Ln;
@@ -20,7 +21,6 @@ import android.hardware.camera2.params.OutputConfiguration;
 import android.hardware.camera2.params.SessionConfiguration;
 import android.hardware.camera2.params.StreamConfigurationMap;
 import android.media.MediaCodec;
-import android.os.Build;
 import android.os.Handler;
 import android.os.HandlerThread;
 import android.util.Range;
@@ -118,7 +118,7 @@ public class CameraCapture extends SurfaceCapture {
         return null;
     }
 
-    @TargetApi(Build.VERSION_CODES.N)
+    @TargetApi(AndroidVersions.API_24_ANDROID_7_0)
     private static Size selectSize(String cameraId, Size explicitSize, int maxSize, CameraAspectRatio aspectRatio, boolean highSpeed)
             throws CameraAccessException {
         if (explicitSize != null) {
@@ -242,7 +242,7 @@ public class CameraCapture extends SurfaceCapture {
     }
 
     @SuppressLint("MissingPermission")
-    @TargetApi(Build.VERSION_CODES.S)
+    @TargetApi(AndroidVersions.API_31_ANDROID_12)
     private CameraDevice openCamera(String id) throws CameraAccessException, InterruptedException {
         CompletableFuture<CameraDevice> future = new CompletableFuture<>();
         ServiceManager.getCameraManager().openCamera(id, new CameraDevice.StateCallback() {
@@ -289,7 +289,7 @@ public class CameraCapture extends SurfaceCapture {
         }
     }
 
-    @TargetApi(Build.VERSION_CODES.S)
+    @TargetApi(AndroidVersions.API_31_ANDROID_12)
     private CameraCaptureSession createCaptureSession(CameraDevice camera, Surface surface) throws CameraAccessException, InterruptedException {
         CompletableFuture<CameraCaptureSession> future = new CompletableFuture<>();
         OutputConfiguration outputConfig = new OutputConfiguration(surface);
@@ -328,7 +328,7 @@ public class CameraCapture extends SurfaceCapture {
         return requestBuilder.build();
     }
 
-    @TargetApi(Build.VERSION_CODES.S)
+    @TargetApi(AndroidVersions.API_31_ANDROID_12)
     private void setRepeatingRequest(CameraCaptureSession session, CaptureRequest request) throws CameraAccessException, InterruptedException {
         CameraCaptureSession.CaptureCallback callback = new CameraCaptureSession.CaptureCallback() {
             @Override

server/src/main/java/com/genymobile/scrcpy/video/ScreenCapture.java

@@ -1,5 +1,6 @@
 package com.genymobile.scrcpy.video;
 
+import com.genymobile.scrcpy.AndroidVersions;
 import com.genymobile.scrcpy.device.Device;
 import com.genymobile.scrcpy.device.Size;
 import com.genymobile.scrcpy.util.Ln;
@@ -103,8 +104,8 @@ public class ScreenCapture extends SurfaceCapture implements Device.RotationList
     private static IBinder createDisplay() throws Exception {
         // Since Android 12 (preview), secure displays could not be created with shell permissions anymore.
         // On Android 12 preview, SDK_INT is still R (not S), but CODENAME is "S".
-        boolean secure = Build.VERSION.SDK_INT < Build.VERSION_CODES.R || (Build.VERSION.SDK_INT == Build.VERSION_CODES.R && !"S".equals(
+        boolean secure = Build.VERSION.SDK_INT < AndroidVersions.API_30_ANDROID_11 || (Build.VERSION.SDK_INT == AndroidVersions.API_30_ANDROID_11
-                Build.VERSION.CODENAME));
+                && !"S".equals(Build.VERSION.CODENAME));
         return SurfaceControl.createDisplay("scrcpy", secure);
     }
 

server/src/main/java/com/genymobile/scrcpy/video/SurfaceEncoder.java

@@ -1,5 +1,6 @@
 package com.genymobile.scrcpy.video;
 
+import com.genymobile.scrcpy.AndroidVersions;
 import com.genymobile.scrcpy.AsyncProcessor;
 import com.genymobile.scrcpy.device.ConfigurationException;
 import com.genymobile.scrcpy.device.Size;
@@ -238,7 +239,7 @@ public class SurfaceEncoder implements AsyncProcessor {
         // must be present to configure the encoder, but does not impact the actual frame rate, which is variable
         format.setInteger(MediaFormat.KEY_FRAME_RATE, 60);
         format.setInteger(MediaFormat.KEY_COLOR_FORMAT, MediaCodecInfo.CodecCapabilities.COLOR_FormatSurface);
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+        if (Build.VERSION.SDK_INT >= AndroidVersions.API_24_ANDROID_7_0) {
             format.setInteger(MediaFormat.KEY_COLOR_RANGE, MediaFormat.COLOR_RANGE_LIMITED);
         }
         format.setInteger(MediaFormat.KEY_I_FRAME_INTERVAL, DEFAULT_I_FRAME_INTERVAL);

server/src/main/java/com/genymobile/scrcpy/wrappers/ActivityManager.java

@@ -1,5 +1,6 @@
 package com.genymobile.scrcpy.wrappers;
 
+import com.genymobile.scrcpy.AndroidVersions;
 import com.genymobile.scrcpy.FakeContext;
 import com.genymobile.scrcpy.util.Ln;
 
@@ -7,7 +8,6 @@ import android.annotation.SuppressLint;
 import android.annotation.TargetApi;
 import android.content.Intent;
 import android.os.Binder;
-import android.os.Build;
 import android.os.Bundle;
 import android.os.IBinder;
 import android.os.IInterface;
@@ -63,7 +63,7 @@ public final class ActivityManager {
         return removeContentProviderExternalMethod;
     }
 
-    @TargetApi(Build.VERSION_CODES.Q)
+    @TargetApi(AndroidVersions.API_29_ANDROID_10)
     private ContentProvider getContentProviderExternal(String name, IBinder token) {
         try {
             Method method = getGetContentProviderExternalMethod();

server/src/main/java/com/genymobile/scrcpy/wrappers/ClipboardManager.java

@@ -1,5 +1,6 @@
 package com.genymobile.scrcpy.wrappers;
 
+import com.genymobile.scrcpy.AndroidVersions;
 import com.genymobile.scrcpy.FakeContext;
 import com.genymobile.scrcpy.util.Ln;
 
@@ -36,7 +37,7 @@ public final class ClipboardManager {
 
     private Method getGetPrimaryClipMethod() throws NoSuchMethodException {
         if (getPrimaryClipMethod == null) {
-            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
+            if (Build.VERSION.SDK_INT < AndroidVersions.API_29_ANDROID_10) {
                 getPrimaryClipMethod = manager.getClass().getMethod("getPrimaryClip", String.class);
                 return getPrimaryClipMethod;
             }
@@ -99,7 +100,7 @@ public final class ClipboardManager {
 
     private Method getSetPrimaryClipMethod() throws NoSuchMethodException {
         if (setPrimaryClipMethod == null) {
-            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
+            if (Build.VERSION.SDK_INT < AndroidVersions.API_29_ANDROID_10) {
                 setPrimaryClipMethod = manager.getClass().getMethod("setPrimaryClip", ClipData.class, String.class);
                 return setPrimaryClipMethod;
             }
@@ -137,7 +138,7 @@ public final class ClipboardManager {
     }
 
     private static ClipData getPrimaryClip(Method method, int methodVersion, IInterface manager) throws ReflectiveOperationException {
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
+        if (Build.VERSION.SDK_INT < AndroidVersions.API_29_ANDROID_10) {
             return (ClipData) method.invoke(manager, FakeContext.PACKAGE_NAME);
         }
 
@@ -161,7 +162,7 @@ public final class ClipboardManager {
     }
 
     private static void setPrimaryClip(Method method, int methodVersion, IInterface manager, ClipData clipData) throws ReflectiveOperationException {
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
+        if (Build.VERSION.SDK_INT < AndroidVersions.API_29_ANDROID_10) {
             method.invoke(manager, clipData, FakeContext.PACKAGE_NAME);
             return;
         }
@@ -210,7 +211,7 @@ public final class ClipboardManager {
 
     private static void addPrimaryClipChangedListener(Method method, int methodVersion, IInterface manager, IOnPrimaryClipChangedListener listener)
             throws ReflectiveOperationException {
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
+        if (Build.VERSION.SDK_INT < AndroidVersions.API_29_ANDROID_10) {
             method.invoke(manager, listener, FakeContext.PACKAGE_NAME);
             return;
         }
@@ -230,7 +231,7 @@ public final class ClipboardManager {
 
     private Method getAddPrimaryClipChangedListener() throws NoSuchMethodException {
         if (addPrimaryClipChangedListener == null) {
-            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
+            if (Build.VERSION.SDK_INT < AndroidVersions.API_29_ANDROID_10) {
                 addPrimaryClipChangedListener = manager.getClass()
                         .getMethod("addPrimaryClipChangedListener", IOnPrimaryClipChangedListener.class, String.class);
             } else {

server/src/main/java/com/genymobile/scrcpy/wrappers/ContentProvider.java

@@ -1,5 +1,6 @@
 package com.genymobile.scrcpy.wrappers;
 
+import com.genymobile.scrcpy.AndroidVersions;
 import com.genymobile.scrcpy.FakeContext;
 import com.genymobile.scrcpy.util.Ln;
 import com.genymobile.scrcpy.util.SettingsException;
@@ -51,7 +52,7 @@ public final class ContentProvider implements Closeable {
     @SuppressLint("PrivateApi")
     private Method getCallMethod() throws NoSuchMethodException {
         if (callMethod == null) {
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+            if (Build.VERSION.SDK_INT >= AndroidVersions.API_31_ANDROID_12) {
                 callMethod = provider.getClass().getMethod("call", AttributionSource.class, String.class, String.class, String.class, Bundle.class);
                 callMethodVersion = 0;
             } else {
@@ -79,7 +80,7 @@ public final class ContentProvider implements Closeable {
             Method method = getCallMethod();
             Object[] args;
 
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S && callMethodVersion == 0) {
+            if (Build.VERSION.SDK_INT >= AndroidVersions.API_31_ANDROID_12 && callMethodVersion == 0) {
                 args = new Object[]{FakeContext.get().getAttributionSource(), "settings", callMethod, arg, extras};
             } else {
                 switch (callMethodVersion) {

server/src/main/java/com/genymobile/scrcpy/wrappers/DisplayControl.java

@@ -1,16 +1,16 @@
 package com.genymobile.scrcpy.wrappers;
 
+import com.genymobile.scrcpy.AndroidVersions;
 import com.genymobile.scrcpy.util.Ln;
 
 import android.annotation.SuppressLint;
 import android.annotation.TargetApi;
-import android.os.Build;
 import android.os.IBinder;
 
 import java.lang.reflect.Method;
 
 @SuppressLint({"PrivateApi", "SoonBlockedPrivateApi", "BlockedPrivateApi"})
-@TargetApi(Build.VERSION_CODES.UPSIDE_DOWN_CAKE)
+@TargetApi(AndroidVersions.API_34_ANDROID_14)
 public final class DisplayControl {
 
     private static final Class<?> CLASS;

server/src/main/java/com/genymobile/scrcpy/wrappers/PowerManager.java

@@ -1,5 +1,6 @@
 package com.genymobile.scrcpy.wrappers;
 
+import com.genymobile.scrcpy.AndroidVersions;
 import com.genymobile.scrcpy.util.Ln;
 
 import android.annotation.SuppressLint;
@@ -24,7 +25,7 @@ public final class PowerManager {
     private Method getIsScreenOnMethod() throws NoSuchMethodException {
         if (isScreenOnMethod == null) {
             @SuppressLint("ObsoleteSdkInt") // we may lower minSdkVersion in the future
-            String methodName = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT_WATCH ? "isInteractive" : "isScreenOn";
+            String methodName = Build.VERSION.SDK_INT >= AndroidVersions.API_20_ANDROID_4_4 ? "isInteractive" : "isScreenOn";
             isScreenOnMethod = manager.getClass().getMethod(methodName);
         }
         return isScreenOnMethod;

server/src/main/java/com/genymobile/scrcpy/wrappers/SurfaceControl.java

@@ -1,5 +1,6 @@
 package com.genymobile.scrcpy.wrappers;
 
+import com.genymobile.scrcpy.AndroidVersions;
 import com.genymobile.scrcpy.util.Ln;
 
 import android.annotation.SuppressLint;
@@ -83,9 +84,9 @@ public final class SurfaceControl {
 
     private static Method getGetBuiltInDisplayMethod() throws NoSuchMethodException {
         if (getBuiltInDisplayMethod == null) {
-            // the method signature has changed in Android Q
+            // the method signature has changed in Android 10
             // <https://github.com/Genymobile/scrcpy/issues/586>
-            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
+            if (Build.VERSION.SDK_INT < AndroidVersions.API_29_ANDROID_10) {
                 getBuiltInDisplayMethod = CLASS.getMethod("getBuiltInDisplay", int.class);
             } else {
                 getBuiltInDisplayMethod = CLASS.getMethod("getInternalDisplayToken");
@@ -106,7 +107,7 @@ public final class SurfaceControl {
     public static IBinder getBuiltInDisplay() {
         try {
             Method method = getGetBuiltInDisplayMethod();
-            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
+            if (Build.VERSION.SDK_INT < AndroidVersions.API_29_ANDROID_10) {
                 // call getBuiltInDisplay(0)
                 return (IBinder) method.invoke(null, 0);
             }