package com.DeviceTest.view;
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import android.content.Context;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.Paint;
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import android.graphics.Paint.Style;
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import android.graphics.Rect;
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import android.graphics.RectF;
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import android.util.AttributeSet;
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import android.view.View;
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public class LevelView extends View {
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private float x = 0;
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private float y = 0;
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private Paint paint = new Paint();
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private RectF rectF = new RectF();
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public LevelView(Context context) {
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this(context, null);
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}
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public LevelView(Context context, AttributeSet attrs) {
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this(context, attrs, 0);
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}
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public LevelView(Context context, AttributeSet attrs, int defStyle) {
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super(context, attrs, defStyle);
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this.setBackgroundColor(Color.WHITE);
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}
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public void update(float values, float values2) {
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this.x = values;
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this.y = values2;
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postInvalidate();
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}
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protected void onDraw(Canvas canvas) {
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int height = getHeight();
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int width = getWidth();
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int size = (height > width ? width : height) * 3 / 8;
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int midX = width / 2;
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int midY = height / 2;
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int radius = size / 6;
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float scaler = (size - radius) / 10F;
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paint.reset();
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paint.setAlpha(150);
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paint.setColor(Color.RED);
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paint.setStyle(Style.FILL);
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canvas.drawCircle(midX - x * scaler, midY + y * scaler, radius, paint);
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canvas.drawCircle(midX - x * scaler, midY + size + radius, radius,
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paint);
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canvas.drawCircle(midX - size - radius, midY + y * scaler, radius,
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paint);
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paint.setTextSize(2 * radius);
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canvas.drawText("x=" + ((int) (-x * 100) / 100F) + ",y="
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+ ((int) (-y * 100) / 100F), 0, 2 * radius, paint);
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paint.setStyle(Style.STROKE);
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paint.setStrokeWidth(2);
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paint.setColor(Color.BLACK);
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canvas.drawCircle(midX, midY, size, paint);
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canvas.drawCircle(midX, midY, radius + 1, paint);
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rectF.set(midX - size - 2 * radius, midY - size, midX - size, midY
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+ size);
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canvas.drawRoundRect(rectF, radius, radius, paint);
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rectF.set(midX - size, midY + size, midX + size, midY + size + 2
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* radius);
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canvas.drawRoundRect(rectF, radius, radius, paint);
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canvas.drawLine(midX - radius, midY + size, midX - radius, midY + size
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+ 2 * radius, paint);
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canvas.drawLine(midX + radius, midY + size, midX + radius, midY + size
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+ 2 * radius, paint);
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canvas.drawLine(midX - size - 2 * radius, midY - radius, midX - size,
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midY - radius, paint);
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canvas.drawLine(midX - size - 2 * radius, midY + radius, midX - size,
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midY + radius, paint);
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}
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}
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