Android Open Source - FragmentWeixinDemo Rotate Updated View Ex

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License

The source code is released under:

MIT License

Java Source Code

package com.mostmood.util;
/* w ww .  ja  va  2  s  . c o  m*/
import org.apache.http.impl.client.TunnelRefusedException;

import com.example.tabhostweixintest.R;

import android.annotation.SuppressLint;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.PorterDuffXfermode;
import android.graphics.Rect;
import android.graphics.Bitmap.Config;
import android.graphics.Paint.Style;
import android.graphics.PorterDuff.Mode;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.NinePatchDrawable;
import android.graphics.RectF;
import android.os.Handler;
import android.util.AttributeSet;
import android.util.Log;
import android.widget.ImageView;

public class RotateUpdatedViewEx extends ImageView {

  private final Paint mpaint;

  private int mBorderThickness = 2;
  /**
   * ???????????
   */
  private int mBorderColor = android.graphics.Color.YELLOW;
  /**
   * ??????
   */
  private int mSlidercolor = android.graphics.Color.CYAN;

  public RotateUpdatedViewEx(Context mContext, AttributeSet attrs) {
    super(mContext, attrs);
    this.mpaint = new Paint();
    this.mpaint.setAntiAlias(true);
    this.mpaint.setStyle(Style.STROKE);
    if (isInEditMode()) {
      isDraw = true;
      mBorderThickness = 4;
    } else {
      mBorderThickness = mContext.getResources().getDimensionPixelSize(
          R.dimen.rotatethiness);
    }
  }

  int startAngle = 0;

  public static Bitmap getCroppedBitmap(Bitmap bmp, int radius) {
    Bitmap scaledSrcBmp;
    int diameter = radius * 2;
    if (bmp.getWidth() != diameter || bmp.getHeight() != diameter)
      scaledSrcBmp = Bitmap.createScaledBitmap(bmp, diameter, diameter,
          false);
    else
      scaledSrcBmp = bmp;
    Bitmap output = Bitmap.createBitmap(scaledSrcBmp.getWidth(),
        scaledSrcBmp.getHeight(), Config.ARGB_8888);
    Canvas canvas = new Canvas(output);

    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, scaledSrcBmp.getWidth(),
        scaledSrcBmp.getHeight());

    paint.setAntiAlias(true);
    paint.setFilterBitmap(true);
    paint.setDither(true);
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(Color.parseColor("#BAB399"));
    canvas.drawCircle(scaledSrcBmp.getWidth() / 2,
        scaledSrcBmp.getHeight() / 2, scaledSrcBmp.getWidth() / 2,
        paint);
    paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
    canvas.drawBitmap(scaledSrcBmp, rect, rect, paint);
    return output;
  }

  private boolean isDraw = false;

  @SuppressLint("DrawAllocation")
  @Override
  protected void onDraw(Canvas canvas) {
    Drawable drawable = getDrawable();
    if (drawable == null) {
      return;
    }
    if (getWidth() == 0 || getHeight() == 0) {
      return;
    }
    this.measure(0, 0);
    if (drawable.getClass() == NinePatchDrawable.class)
      return;
    Bitmap b = ((BitmapDrawable) drawable).getBitmap();
    Bitmap bitmap = b.copy(Bitmap.Config.ARGB_8888, true);
    int w = getWidth(), h = getHeight();
    int radius = (w < h ? w : h) / 2 - mBorderThickness-1;
    Bitmap roundBitmap = getCroppedBitmap(bitmap, radius);
    final Paint paint = new Paint();
    paint.setAntiAlias(true);
    paint.setFilterBitmap(true);
    paint.setDither(true);
    
    
    
    paint.setColor(android.graphics.Color.GREEN);
    canvas.drawCircle(w / 2, h / 2, radius + mBorderThickness+1, paint);
    paint.setColor(mBorderColor);
    // ????
    canvas.drawCircle(w / 2, h / 2, radius + mBorderThickness, paint);
    canvas.drawBitmap(roundBitmap, w / 2 - radius, h / 2 - radius, null);
    
    if(isInEditMode()){
      mpaint.setColor(mSlidercolor);
      mpaint.setStrokeWidth(mBorderThickness);
      mpaint.setAntiAlias(true);
      mpaint.setDither(true);
      RectF rect2 = new RectF(w/2-radius-2,h/2-radius-2, getWidth() - mBorderThickness,getHeight() - mBorderThickness);
      //RectF rect2=new RectF(2,2,(radius + mBorderThickness)*2-2,(radius + mBorderThickness)*2-2);
      
      
      canvas.drawArc(rect2,270, 30, false, mpaint);
      canvas.drawArc(rect2,90, 30, false, mpaint);
      canvas.drawArc(rect2,0, 30, false, mpaint);
      canvas.drawArc(rect2,180, 30, false, mpaint);
      canvas.drawArc(rect2,45, 30, false, mpaint);
      canvas.drawArc(rect2,135, 30, false, mpaint);
      canvas.drawArc(rect2,225, 30, false, mpaint);
      canvas.drawArc(rect2,315, 30, false, mpaint);
    }
    
    if (!isDraw) {
      mpaint.setColor(mSlidercolor);
      mpaint.setStrokeWidth(mBorderThickness);
      mpaint.setAntiAlias(true);
      mpaint.setDither(true);
      RectF rect2 = new RectF(w/2-radius-2,h/2-radius-2, getWidth() - mBorderThickness,getHeight() - mBorderThickness);
      //RectF rect2=new RectF(2,2,(radius + mBorderThickness)*2-2,(radius + mBorderThickness)*2-2);
      canvas.drawArc(rect2, startAngle, 20, false, mpaint);
      startAngle += 5;
      if (startAngle == 360)
        startAngle = 0;
      if (isStart) {
        // super.onDraw(canvas);
        isDraw = false;
        invalidate();
      }
    }
  }
  

  private boolean isStart = true;

  Object mObject = new Object();

  public void Start() {
    synchronized (mObject) {
      isStart = true;
      isDraw = false;
      invalidate();
    }
  }

  public void Stop() {
    synchronized (mObject) {
      isStart = false;
      isDraw = true;
      invalidate();
    }
  }

  public static int dip2px(Context context, float dpValue) {
    final float scale = context.getResources().getDisplayMetrics().density;
    return (int) (dpValue * scale + 0.5f);
  }
}

Java Source Code List

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