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Adds Joystick support for Android

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This bumps the build SDK level to 12 (up from 10). Runtime requirements remain
the same (at API level < 12 joystick support is disabled).

Also enables building SDL for armv7 and x86.
This commit is contained in:
Gabriel Jacobo 2013-11-05 20:07:39 -03:00
parent db8217dea5
commit 7075ece4a5
13 changed files with 428 additions and 30 deletions
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164
android-project/src/org/libsdl/app/SDLActivity.java
View file

@ -16,6 +16,10 @@ import android.graphics.*;
import android.media.*;
import android.hardware.*;
import java.lang.*;
import java.util.List;
import java.util.ArrayList;
/**
SDL Activity
@ -31,10 +35,11 @@ public class SDLActivity extends Activity {
protected static SDLSurface mSurface;
protected static View mTextEdit;
protected static ViewGroup mLayout;
protected static SDLJoystickHandler mJoystickHandler;
// This is what SDL runs in. It invokes SDL_main(), eventually
protected static Thread mSDLThread;
// Audio
protected static Thread mAudioThread;
protected static AudioTrack mAudioTrack;
@ -60,6 +65,13 @@ public class SDLActivity extends Activity {
// Set up the surface
mSurface = new SDLSurface(getApplication());
if(Build.VERSION.SDK_INT >= 12) {
mJoystickHandler = new SDLJoystickHandler_API12();
}
else {
mJoystickHandler = new SDLJoystickHandler();
}
mLayout = new AbsoluteLayout(this);
mLayout.addView(mSurface);
@ -236,6 +248,10 @@ public class SDLActivity extends Activity {
public static native void nativePause();
public static native void nativeResume();
public static native void onNativeResize(int x, int y, int format);
public static native void onNativePadDown(int padId, int keycode);
public static native void onNativePadUp(int padId, int keycode);
public static native void onNativeJoy(int joyId, int axis,
float value);
public static native void onNativeKeyDown(int keycode);
public static native void onNativeKeyUp(int keycode);
public static native void onNativeKeyboardFocusLost();
@ -406,6 +422,23 @@ public class SDLActivity extends Activity {
}
return Arrays.copyOf(filtered, used);
}
// Joystick glue code, just a series of stubs that redirect to the SDLJoystickHandler instance
public static int getNumJoysticks() {
return mJoystickHandler.getNumJoysticks();
}
public static String getJoystickName(int joy) {
return mJoystickHandler.getJoystickName(joy);
}
public static int getJoystickAxes(int joy) {
return mJoystickHandler.getJoystickAxes(joy);
}
public static int getJoyId(int devId) {
return mJoystickHandler.getJoyId(devId);
}
}
/**
@ -451,6 +484,10 @@ class SDLSurface extends SurfaceView implements SurfaceHolder.Callback,
mDisplay = ((WindowManager)context.getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay();
mSensorManager = (SensorManager)context.getSystemService(Context.SENSOR_SERVICE);
if(Build.VERSION.SDK_INT >= 12) {
setOnGenericMotionListener(new SDLGenericMotionHandler_API12());
}
// Some arbitrary defaults to avoid a potential division by zero
mWidth = 1.0f;
@ -557,16 +594,26 @@ class SDLSurface extends SurfaceView implements SurfaceHolder.Callback,
// Key events
@Override
public boolean onKey(View v, int keyCode, KeyEvent event) {
if (event.getAction() == KeyEvent.ACTION_DOWN) {
//Log.v("SDL", "key down: " + keyCode);
SDLActivity.onNativeKeyDown(keyCode);
return true;
}
else if (event.getAction() == KeyEvent.ACTION_UP) {
//Log.v("SDL", "key up: " + keyCode);
SDLActivity.onNativeKeyUp(keyCode);
return true;
// Dispatch the different events depending on where they come from
if(event.getSource() == InputDevice.SOURCE_KEYBOARD) {
if (event.getAction() == KeyEvent.ACTION_DOWN) {
//Log.v("SDL", "key down: " + keyCode);
SDLActivity.onNativeKeyDown(keyCode);
return true;
}
else if (event.getAction() == KeyEvent.ACTION_UP) {
//Log.v("SDL", "key up: " + keyCode);
SDLActivity.onNativeKeyUp(keyCode);
return true;
}
} else if ( (event.getSource() & 0x00000401) != 0 || /* API 12: SOURCE_GAMEPAD */
(event.getSource() & InputDevice.SOURCE_DPAD) != 0 ) {
int id = SDLActivity.getJoyId( event.getDeviceId() );
if (event.getAction() == KeyEvent.ACTION_DOWN) {
SDLActivity.onNativePadDown(id, keyCode);
} else if (event.getAction() == KeyEvent.ACTION_UP) {
SDLActivity.onNativePadUp(id, keyCode);
}
}
return false;
@ -646,8 +693,7 @@ class SDLSurface extends SurfaceView implements SurfaceHolder.Callback,
y / SensorManager.GRAVITY_EARTH,
event.values[2] / SensorManager.GRAVITY_EARTH - 1);
}
}
}
}
/* This is a fake invisible editor view that receives the input and defines the
@ -769,3 +815,95 @@ class SDLInputConnection extends BaseInputConnection {
}
/* A null joystick handler for API level < 12 devices (the accelerometer is handled separately) */
class SDLJoystickHandler {
public int getNumJoysticks() {
return 0;
}
public String getJoystickName(int joy) {
return "";
}
public int getJoystickAxes(int joy) {
return 0;
}
public int getJoyId(int devId) {
return 0;
}
}
/* Actual joystick functionality available for API >= 12 devices */
class SDLJoystickHandler_API12 extends SDLJoystickHandler {
private List<Integer> mJoyIdList;
// Create a list of valid ID's the first time this function is called
private void createJoystickList() {
if(mJoyIdList != null) {
return;
}
mJoyIdList = new ArrayList<Integer>();
int[] deviceIds = InputDevice.getDeviceIds();
for(int i=0; i<deviceIds.length; i++) {
if( (InputDevice.getDevice(deviceIds[i]).getSources() & InputDevice.SOURCE_CLASS_JOYSTICK) != 0) {
mJoyIdList.add(deviceIds[i]);
}
}
}
public int getNumJoysticks() {
createJoystickList();
return mJoyIdList.size();
}
public String getJoystickName(int joy) {
createJoystickList();
return InputDevice.getDevice(mJoyIdList.get(joy)).getName();
}
public int getJoystickAxes(int joy) {
createJoystickList();
return InputDevice.getDevice(mJoyIdList.get(joy)).getMotionRanges().size();
}
public int getJoyId(int devId) {
int i=0;
createJoystickList();
for(i=0; i<mJoyIdList.size(); i++) {
if(mJoyIdList.get(i) == devId) {
return i;
}
}
return -1;
}
}
class SDLGenericMotionHandler_API12 extends Activity implements View.OnGenericMotionListener {
// Generic Motion (mouse hover, joystick...) events go here
// We only have joysticks yet
@Override
public boolean onGenericMotion(View v, MotionEvent event) {
int actionPointerIndex = event.getActionIndex();
int action = event.getActionMasked();
if ( (event.getSource() & InputDevice.SOURCE_JOYSTICK) != 0) {
switch(action) {
case MotionEvent.ACTION_MOVE:
int id = SDLActivity.getJoyId( event.getDeviceId() );
float x = event.getAxisValue(MotionEvent.AXIS_X, actionPointerIndex);
float y = event.getAxisValue(MotionEvent.AXIS_Y, actionPointerIndex);
SDLActivity.onNativeJoy(id, 0, x);
SDLActivity.onNativeJoy(id, 1, y);
break;
}
}
return true;
}
}