圆头像控件，自动监听点击跳转到Activity

package com.example.widget;

import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffXfermode;
import android.graphics.RectF;
import android.graphics.Xfermode;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.view.View;
import android.view.View.OnClickListener;

import com.android.volley.toolbox.NetworkImageView;
import com.will.main.OtherPersonalActivity;

public class MaskedImage extends NetworkImageView implements OnClickListener{
    private String account;
    private static final Xfermode MASK_XFERMODE;
    private Bitmap mask;
    private Paint paint;

    static {
        PorterDuff.Mode localMode = PorterDuff.Mode.DST_IN;
        MASK_XFERMODE = new PorterDuffXfermode(localMode);
    }

    public MaskedImage(Context paramContext) {
        super(paramContext);
    }

    public MaskedImage(Context paramContext, AttributeSet paramAttributeSet) {
        super(paramContext, paramAttributeSet);
    }

    public MaskedImage(Context paramContext, AttributeSet paramAttributeSet,
            int paramInt) {
        super(paramContext, paramAttributeSet, paramInt);
    }

    public Bitmap createMask() {
        int i = getWidth();
        int j = getHeight();
        Bitmap.Config localConfig = Bitmap.Config.ARGB_8888;
        Bitmap localBitmap = Bitmap.createBitmap(i, j, localConfig);
        Canvas localCanvas = new Canvas(localBitmap);
        Paint localPaint = new Paint(1);
        localPaint.setColor(-16777216);
        float f1 = getWidth();
        float f2 = getHeight();
        RectF localRectF = new RectF(0.0F, 0.0F, f1, f2);
        localCanvas.drawOval(localRectF, localPaint);
        return localBitmap;
    };

    protected void onDraw(Canvas paramCanvas) {
        Drawable localDrawable = getDrawable();
        if (localDrawable == null)
            return;
        try {
            if (this.paint == null) {
                Paint localPaint1 = new Paint();
                this.paint = localPaint1;
                this.paint.setFilterBitmap(false);
                Paint localPaint2 = this.paint;
                Xfermode localXfermode1 = MASK_XFERMODE;
                @SuppressWarnings("unused")
                Xfermode localXfermode2 = localPaint2
                        .setXfermode(localXfermode1);
            }
            float f1 = getWidth();
            float f2 = getHeight();
            int i = paramCanvas.saveLayer(0.0F, 0.0F, f1, f2, null, 31);
            int j = getWidth();
            int k = getHeight();
            localDrawable.setBounds(0, 0, j, k);
            localDrawable.draw(paramCanvas);
            if ((this.mask == null) || (this.mask.isRecycled())) {
                Bitmap localBitmap1 = createMask();
                this.mask = localBitmap1;
            }
            Bitmap localBitmap2 = this.mask;
            Paint localPaint3 = this.paint;
            paramCanvas.drawBitmap(localBitmap2, 0.0F, 0.0F, localPaint3);
            paramCanvas.restoreToCount(i);
            return;
        } catch (Exception localException) {
            StringBuilder localStringBuilder = new StringBuilder()
                    .append("Attempting to draw with recycled bitmap. View ID = ");
        }
    }

    @Override
    public void onClick(View arg0) {
        Intent intent=new Intent(getContext(),OtherPersonalActivity.class);
        // TODO Auto-generated method stub
        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        intent.putExtra("account", account);
        getContext().startActivity(intent);
    }

    public String getAccount() {
        return account;
    }

    public void setAccount(String account) {
        this.account = account;
        setOnClickListener(this);
    }
}