1 files changed, 85 insertions, 0 deletions
diff --git a/demokit/app/src/com/google/android/DemoKit/JoystickView.java b/demokit/app/src/com/google/android/DemoKit/JoystickView.java
new file mode 100644
index 0000000..020e276
--- /dev/null
+++ b/demokit/app/src/com/google/android/DemoKit/JoystickView.java
@@ -0,0 +1,85 @@
+package com.google.android.DemoKit;
+
+import android.content.Context;
+import android.content.res.Resources;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.Paint;
+import android.graphics.drawable.Drawable;
+import android.util.AttributeSet;
+import android.view.View;
+
+public class JoystickView extends View {
+
+	private Drawable mJoystickBackground;
+	private Drawable mJoystickPressed;
+	private Drawable mJoystickNormal;
+
+	private int fX;
+	private int fY;
+	Boolean fPressed;
+	private Paint mLabelPaint;
+	private String mLabelText;
+
+	public JoystickView(Context context) {
+		super(context);
+		initJoystickView(context);
+	}
+
+	public JoystickView(Context context, AttributeSet attrs) {
+		super(context, attrs);
+		initJoystickView(context);
+	}
+
+	public void setPosition(int x, int y) {
+		fX = x;
+		fY = y;
+		mLabelText = String.format("%d,%d", fX, fY);
+		invalidate();
+	}
+
+	public void setPressed(boolean pressed) {
+		fPressed = pressed;
+		invalidate();
+	}
+
+	private void initJoystickView(Context context) {
+		fX = fY = 0;
+		fPressed = false;
+		Resources r = context.getResources();
+		mJoystickBackground = r.getDrawable(R.drawable.joystick_background);
+		int w = mJoystickBackground.getIntrinsicWidth();
+		int h = mJoystickBackground.getIntrinsicHeight();
+		mJoystickBackground.setBounds(0, 0, w, h);
+		mJoystickPressed = r.getDrawable(R.drawable.joystick_pressed_holo_dark);
+		mJoystickNormal = r.getDrawable(R.drawable.joystick_normal_holo_dark);
+		Utilities.centerAround(w / 2 - 4, h / 2 + 4, mJoystickNormal);
+		Utilities.centerAround(w / 2 - 4, h / 2 + 4, mJoystickPressed);
+		mLabelPaint = new Paint();
+		mLabelPaint.setColor(Color.WHITE);
+		mLabelPaint.setTextSize(24);
+		mLabelPaint.setAntiAlias(true);
+		mLabelPaint.setShadowLayer(1, 2, 2, Color.BLACK);
+		setPosition(0, 0);
+	}
+
+	@Override
+	protected void onDraw(Canvas canvas) {
+		mJoystickBackground.draw(canvas);
+		Drawable indicator = fPressed ? mJoystickPressed : mJoystickNormal;
+		int w = mJoystickBackground.getIntrinsicWidth();
+		int h = mJoystickBackground.getIntrinsicHeight();
+		int x = w / 2 - 4 + fX;
+		int y = h / 2 + 4 + fY;
+		Utilities.centerAround(x, y, indicator);
+		indicator.draw(canvas);
+		canvas.drawText(mLabelText, x + 12, y + 8, mLabelPaint);
+	}
+
+	@Override
+	protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+		setMeasuredDimension(mJoystickBackground.getIntrinsicWidth(),
+				mJoystickBackground.getIntrinsicHeight());
+	}
+
+}