PattenView.java

/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package my.home.lehome.view;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Path;
import android.graphics.Typeface;
import android.util.AttributeSet;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.LinearInterpolator;
import android.view.animation.RotateAnimation;

/**
 * Created by legendmohe on 15/5/11.
 */
public class PattenView extends View {

    private static final String QUOTE = "Now is the time for all good men to come to the aid of their country.";

    private Animation animation;
    private Paint gPaint;
    private Paint cPaint;
    private Path glowCircle;
    private Path circle;
    private Paint tPaint;

    public PattenView(Context context, AttributeSet attributeSet) {
        super(context, attributeSet);
        init();
    }

    private void init() {
        gPaint = new Paint();
//        gPaint.setAlpha(255);
//        gPaint.setShadowLayer(40, 0, 0, Color.argb(200, 255, 0, 0));

        cPaint = new Paint();
        cPaint.setAntiAlias(true);
        cPaint.setDither(true);

//        BlurMaskFilter filter = new BlurMaskFilter(10f, BlurMaskFilter.Blur.INNER);
//        cPaint.setMaskFilter(filter);


        int x = 150;
        int y = 150;
        int r = 100;

        glowCircle = new Path();
        glowCircle.addCircle(x, y, r, Path.Direction.CW);

//        int color1 = Color.rgb(40, 40, 40);
//        int color2 = Color.rgb(220, 220, 220);
//        LinearGradient gradient = new LinearGradient(0, 0, 0, y*2, color2, color1, Shader.TileMode.REPEAT);
//        cPaint.setShader(gradient);

        circle = new Path();
        circle.addCircle(x, y, r, Path.Direction.CW);

        tPaint = new Paint();
        tPaint.setTextSize(18f);
        tPaint.setTypeface(Typeface.DEFAULT_BOLD);
        tPaint.setColor(Color.BLACK);
        tPaint.setAntiAlias(true);
    }

    private void initAnimation() {
        animation = new RotateAnimation(0, 360, 150, 150);
        animation.setRepeatCount(Animation.INFINITE);
        animation.setRepeatMode(Animation.RESTART);
        animation.setDuration(7500L);
        animation.setInterpolator(new LinearInterpolator());
        startAnimation(animation);
    }

    @Override
    protected void onDraw(Canvas canvas) {
        if (animation == null)
            initAnimation();

//        canvas.drawPath(glowCircle, gPaint);
        canvas.drawPath(circle, cPaint);
//        canvas.drawTextOnPath(QUOTE, circle, 0, 20, tPaint);
    }
}