Fixed bug 4318 - Android move Haptic code to API26 class

Sylvain

- Create SDLHapticHandler_API26
- No need of reflection since SDL2 compile with Android 26 as a min requirement.
- remove spaces

android-project/app/src/main/java/org/libsdl/app/SDLControllerManager.java

@@ -1,6 +1,5 @@
 package org.libsdl.app;
 
-import java.lang.reflect.Method;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Comparator;
@@ -12,7 +11,7 @@ import android.view.*;
 import android.util.Log;
 
 
-public class SDLControllerManager 
+public class SDLControllerManager
 {
 
     public static native int nativeSetupJNI();
@@ -53,7 +52,12 @@ public class SDLControllerManager
         } else {
             mJoystickHandler = new SDLJoystickHandler();
         }
-        mHapticHandler = new SDLHapticHandler();
+
+        if (Build.VERSION.SDK_INT >= 26) {
+            mHapticHandler = new SDLHapticHandler_API26();
+        } else {
+            mHapticHandler = new SDLHapticHandler();
+        }
     }
 
     // Joystick glue code, just a series of stubs that redirect to the SDLJoystickHandler instance
@@ -410,6 +414,38 @@ class SDLJoystickHandler_API19 extends SDLJoystickHandler_API16 {
     }
 }
 
+class SDLHapticHandler_API26 extends SDLHapticHandler {
+    @Override
+    public void run(int device_id, float intensity, int length) {
+        SDLHaptic haptic = getHaptic(device_id);
+        if (haptic != null) {
+            Log.d("SDL", "Rtest: Vibe with intensity " + intensity + " for " + length);
+            if (intensity == 0.0f) {
+                stop(device_id);
+                return;
+            }
+
+            int vibeValue = Math.round(intensity * 255);
+
+            if (vibeValue > 255) {
+                vibeValue = 255;
+            }
+            if (vibeValue < 1) {
+                stop(device_id);
+                return;
+            }
+            try {
+                haptic.vib.vibrate(VibrationEffect.createOneShot(length, vibeValue));
+            }
+            catch (Exception e) {
+                // Fall back to the generic method, which uses DEFAULT_AMPLITUDE, but works even if
+                // something went horribly wrong with the Android 8.0 APIs.
+                haptic.vib.vibrate(length);
+            }
+        }
+    }
+}
+
 class SDLHapticHandler {
 
     class SDLHaptic {
@@ -419,7 +455,7 @@ class SDLHapticHandler {
     }
 
     private ArrayList<SDLHaptic> mHaptics;
-    
+
     public SDLHapticHandler() {
         mHaptics = new ArrayList<SDLHaptic>();
     }
@@ -427,47 +463,7 @@ class SDLHapticHandler {
     public void run(int device_id, float intensity, int length) {
         SDLHaptic haptic = getHaptic(device_id);
         if (haptic != null) {
-
-            Log.d("SDL", "Rtest: Vibe with intensity " + intensity + " for " + length);
-            if (intensity == 0.0f) {
-                stop(device_id);
-                return;
-            }
-
-            if (Build.VERSION.SDK_INT >= 26) {
-                // We have to do this dynamically to avoid issues on earlier SDKs.
-                // But we want to use the VibrationEffect so we can set amplitude.
-
-                try {
-                    int vibeValue = Math.round(intensity * 255);
-
-                    if (vibeValue > 255) {
-                        vibeValue = 255;
-                    }
-                    if (vibeValue < 1) {
-                        stop(device_id);
-                        return;
-                    }
-
-                    long longLength = length;
-                    Class vibrationEffectClass = Class.forName("android.os.VibrationEffect");
-                    Method oneShotMethod = vibrationEffectClass.getMethod("createOneShot", long.class, int.class);
-                    Object effect = oneShotMethod.invoke(null, longLength, vibeValue);
-                    Method vibeEffect = android.os.Vibrator.class.getMethod("vibrate", vibrationEffectClass);
-                    vibeEffect.invoke(haptic.vib, vibrationEffectClass.cast(effect));
-                }
-                catch (Exception e) {
-                    // Fall back to the generic method, which uses DEFAULT_AMPLITUDE, but works even if
-                    // something went horribly wrong with the Android 8.0 APIs.
-                    haptic.vib.vibrate(length);
-                }
-            }
-            else {
-                // Fall back to the generic method, which uses DEFAULT_AMPLITUDE, but exists
-                // on earlier SDKs.
-
-                haptic.vib.vibrate (length);
-            }
+            haptic.vib.vibrate(length);
         }
     }
 
@@ -479,7 +475,7 @@ class SDLHapticHandler {
     }
 
     public void pollHapticDevices() {
-        
+
         final int deviceId_VIBRATOR_SERVICE = 999999;
         boolean hasVibratorService = false;
 
@@ -523,7 +519,7 @@ class SDLHapticHandler {
                     haptic = new SDLHaptic();
                     haptic.device_id = deviceId_VIBRATOR_SERVICE;
                     haptic.name = "VIBRATOR_SERVICE";
-                    haptic.vib = vib; 
+                    haptic.vib = vib;
                     mHaptics.add(haptic);
                     SDLControllerManager.nativeAddHaptic(haptic.device_id, haptic.name);
                 }
@@ -565,7 +561,7 @@ class SDLHapticHandler {
             }
         }
         return null;
-    }   
+    }
 }
 
 class SDLGenericMotionListener_API12 implements View.OnGenericMotionListener {
@@ -655,7 +651,7 @@ class SDLGenericMotionListener_API24 extends SDLGenericMotionListener_API12 {
             case InputDevice.SOURCE_GAMEPAD:
             case InputDevice.SOURCE_DPAD:
                 return SDLControllerManager.handleJoystickMotionEvent(event);
-                
+
             case InputDevice.SOURCE_MOUSE:
                 if (!SDLActivity.mSeparateMouseAndTouch) {
                     break;
@@ -746,7 +742,7 @@ class SDLGenericMotionListener_API26 extends SDLGenericMotionListener_API24 {
             case InputDevice.SOURCE_GAMEPAD:
             case InputDevice.SOURCE_DPAD:
                 return SDLControllerManager.handleJoystickMotionEvent(event);
-                
+
             case InputDevice.SOURCE_MOUSE:
             case 12290: // DeX desktop mouse cursor is a separate non-standard input type.
                 if (!SDLActivity.mSeparateMouseAndTouch) {
@@ -820,12 +816,12 @@ class SDLGenericMotionListener_API26 extends SDLGenericMotionListener_API24 {
                 SDLActivity.getContentView().requestPointerCapture();
             }
             else {
-                SDLActivity.getContentView().releasePointerCapture();            
+                SDLActivity.getContentView().releasePointerCapture();
             }
             mRelativeModeEnabled = enabled;
             return true;
         }
-        else 
+        else
         {
             return false;
         }
@@ -850,4 +846,4 @@ class SDLGenericMotionListener_API26 extends SDLGenericMotionListener_API24 {
         // Relative mouse in capture mode will only have relative for X/Y
         return event.getY(0);
     }
-}
+}