错误：android.view.InflateException: Binary XML file line #167: Binary XML file line #167: Error inflating class <unknown>

1：错误日志

java.lang.RuntimeException: Unable to start activity ComponentInfo{com.8.activity.RecordActivity}: 
android.view.InflateException: Binary XML file line #167: Binary XML file line #167: Error inflating class <unknown>
	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2451)
	at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2511)
	at android.app.ActivityThread.access$900(ActivityThread.java:165)
	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1375)
	at android.os.Handler.dispatchMessage(Handler.java:102)
	at android.os.Looper.loop(Looper.java:150)
	at android.app.ActivityThread.main(ActivityThread.java:5621)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:794)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:684)
Caused by: android.view.InflateException: Binary XML file line #167: Binary XML file line #167: Error inflating class <unknown>
	at android.view.LayoutInflater.inflate(LayoutInflater.java:558)
	at android.view.LayoutInflater.inflate(LayoutInflater.java:434)
	at android.view.LayoutInflater.inflate(LayoutInflater.java:377)
	at android.support.v7.app.AppCompatDelegateImplV9.setContentView(AppCompatDelegateImplV9.java:287)
	at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:139)
	at com.multak.mi8212.activity.RecordActivity.onCreate(RecordActivity.java:86)
	at android.app.Activity.performCreate(Activity.java:6367)
	at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1110)
	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2404)
	... 9 more
Caused by: android.view.InflateException: Binary XML file line #167: Error inflating class <unknown>
	at android.view.LayoutInflater.createView(LayoutInflater.java:664)
	at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:783)
	at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:723)
	at android.view.LayoutInflater.rInflate(LayoutInflater.java:854)
	at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:817)
	at android.view.LayoutInflater.rInflate(LayoutInflater.java:857)
	at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:817)
	at android.view.LayoutInflater.rInflate(LayoutInflater.java:857)
	at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:817)
	at android.view.LayoutInflater.rInflate(LayoutInflater.java:857)
	at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:817)
	at android.view.LayoutInflater.rInflate(LayoutInflater.java:857)
	at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:817)
	at android.view.LayoutInflater.inflate(LayoutInflater.java:534)
	... 17 more
Caused by: java.lang.reflect.InvocationTargetException
	at java.lang.reflect.Constructor.newInstance(Native Method)
	at android.view.LayoutInflater.createView(LayoutInflater.java:638)
	... 30 more
Caused by: java.lang.OutOfMemoryError: Failed to allocate a 65901936 byte allocation with 12582912 free bytes and 51MB until OOM
	at dalvik.system.VMRuntime.newNonMovableArray(Native Method)
	at android.graphics.BitmapFactory.nativeDecodeAsset(Native Method)
	at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:667)
	at android.graphics.BitmapFactory.decodeResourceStream(BitmapFactory.java:488)
	at android.graphics.drawable.Drawable.createFromResourceStream(Drawable.java:1082)
	at android.content.res.Resources.loadDrawableForCookie(Resources.java:2702)
	at android.content.res.Resources.loadDrawable(Resources.java:2603)
	at android.content.res.HwResources.loadDrawable(HwResources.java:667)
	at android.content.res.TypedArray.getDrawable(TypedArray.java:912)
	at android.widget.ImageView.<init>(ImageView.java:152)
	at android.widget.ImageView.<init>(ImageView.java:140)
	at android.support.v7.widget.AppCompatImageView.<init>(AppCompatImageView.java:72)
	at android.support.v7.widget.AppCompatImageView.<init>(AppCompatImageView.java:68)
	at com.multak.mi8212.view.RoundImageView.<init>(RoundImageView.java:44)
	... 32 more
android.view.InflateException: Binary XML file line #167: Binary XML file line #167: Error inflating class <unknown>
	at android.view.LayoutInflater.inflate(LayoutInflater.java:558)
	at android.view.LayoutInflater.inflate(LayoutInflater.java:434)
	at android.view.LayoutInflater.inflate(LayoutInflater.java:377)
	at android.support.v7.app.AppCompatDelegateImplV9.setContentView(AppCompatDelegateImplV9.java:287)
	at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:139)
	at com.multak.mi8212.activity.RecordActivity.onCreate(RecordActivity.java:86)
	at android.app.Activity.performCreate(Activity.java:6367)
	at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1110)
	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2404)
	at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2511)
	at android.app.ActivityThread.access$900(ActivityThread.java:165)
	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1375)
	at android.os.Handler.dispatchMessage(Handler.java:102)
	at android.os.Looper.loop(Looper.java:150)
	at android.app.ActivityThread.main(ActivityThread.java:5621)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:794)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:684)
Caused by: android.view.InflateException: Binary XML file line #167: Error inflating class <unknown>
	at android.view.LayoutInflater.createView(LayoutInflater.java:664)
	at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:783)
	at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:723)
	at android.view.LayoutInflater.rInflate(LayoutInflater.java:854)
	at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:817)
	at android.view.LayoutInflater.rInflate(LayoutInflater.java:857)
	at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:817)
	at android.view.LayoutInflater.rInflate(LayoutInflater.java:857)
	at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:817)
	at android.view.LayoutInflater.rInflate(LayoutInflater.java:857)
	at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:817)
	at android.view.LayoutInflater.rInflate(LayoutInflater.java:857)
	at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:817)
	at android.view.LayoutInflater.inflate(LayoutInflater.java:534)
	... 17 more
Caused by: java.lang.reflect.InvocationTargetException
	at java.lang.reflect.Constructor.newInstance(Native Method)
	at android.view.LayoutInflater.createView(LayoutInflater.java:638)
	... 30 more
Caused by: java.lang.OutOfMemoryError: Failed to allocate a 65901936 byte allocation with 12582912 free bytes and 51MB until OOM
	at dalvik.system.VMRuntime.newNonMovableArray(Native Method)
	at android.graphics.BitmapFactory.nativeDecodeAsset(Native Method)
	at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:667)
	at android.graphics.BitmapFactory.decodeResourceStream(BitmapFactory.java:488)
	at android.graphics.drawable.Drawable.createFromResourceStream(Drawable.java:1082)
	at android.content.res.Resources.loadDrawableForCookie(Resources.java:2702)
	at android.content.res.Resources.loadDrawable(Resources.java:2603)
	at android.content.res.HwResources.loadDrawable(HwResources.java:667)
	at android.content.res.TypedArray.getDrawable(TypedArray.java:912)
	at android.widget.ImageView.<init>(ImageView.java:152)
	at android.widget.ImageView.<init>(ImageView.java:140)
	at android.support.v7.widget.AppCompatImageView.<init>(AppCompatImageView.java:72)
	at android.support.v7.widget.AppCompatImageView.<init>(AppCompatImageView.java:68)
	at com.multak.mi8212.view.RoundImageView.<init>(RoundImageView.java:44)
	... 32 more
android.view.InflateException: Binary XML file line #167: Error inflating class <unknown>
	at android.view.LayoutInflater.createView(LayoutInflater.java:664)
	at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:783)
	at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:723)
	at android.view.LayoutInflater.rInflate(LayoutInflater.java:854)
	at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:817)
	at android.view.LayoutInflater.rInflate(LayoutInflater.java:857)
	at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:817)
	at android.view.LayoutInflater.rInflate(LayoutInflater.java:857)
	at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:817)
	at android.view.LayoutInflater.rInflate(LayoutInflater.java:857)
	at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:817)
	at android.view.LayoutInflater.rInflate(LayoutInflater.java:857)
	at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:817)
	at android.view.LayoutInflater.inflate(LayoutInflater.java:534)
	at android.view.LayoutInflater.inflate(LayoutInflater.java:434)
	at android.view.LayoutInflater.inflate(LayoutInflater.java:377)
	at android.support.v7.app.AppCompatDelegateImplV9.setContentView(AppCompatDelegateImplV9.java:287)
	at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:139)
	at com.multak.mi8212.activity.RecordActivity.onCreate(RecordActivity.java:86)
	at android.app.Activity.performCreate(Activity.java:6367)
	at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1110)
	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2404)
	at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2511)
	at android.app.ActivityThread.access$900(ActivityThread.java:165)
	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1375)
	at android.os.Handler.dispatchMessage(Handler.java:102)
	at android.os.Looper.loop(Looper.java:150)
	at android.app.ActivityThread.main(ActivityThread.java:5621)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:794)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:684)
Caused by: java.lang.reflect.InvocationTargetException
	at java.lang.reflect.Constructor.newInstance(Native Method)
	at android.view.LayoutInflater.createView(LayoutInflater.java:638)
	... 30 more
Caused by: java.lang.OutOfMemoryError: Failed to allocate a 65901936 byte allocation with 12582912 free bytes and 51MB until OOM
	at dalvik.system.VMRuntime.newNonMovableArray(Native Method)
	at android.graphics.BitmapFactory.nativeDecodeAsset(Native Method)
	at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:667)
	at android.graphics.BitmapFactory.decodeResourceStream(BitmapFactory.java:488)
	at android.graphics.drawable.Drawable.createFromResourceStream(Drawable.java:1082)
	at android.content.res.Resources.loadDrawableForCookie(Resources.java:2702)
	at android.content.res.Resources.loadDrawable(Resources.java:2603)
	at android.content.res.HwResources.loadDrawable(HwResources.java:667)
	at android.content.res.TypedArray.getDrawable(TypedArray.java:912)
	at android.widget.ImageView.<init>(ImageView.java:152)
	at android.widget.ImageView.<init>(ImageView.java:140)
	at android.support.v7.widget.AppCompatImageView.<init>(AppCompatImageView.java:72)
	at android.support.v7.widget.AppCompatImageView.<init>(AppCompatImageView.java:68)
	at com.multak.mi8212.view.RoundImageView.<init>(RoundImageView.java:44)
	... 32 more
java.lang.reflect.InvocationTargetException
	at java.lang.reflect.Constructor.newInstance(Native Method)
	at android.view.LayoutInflater.createView(LayoutInflater.java:638)
	at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:783)
	at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:723)
	at android.view.LayoutInflater.rInflate(LayoutInflater.java:854)
	at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:817)
	at android.view.LayoutInflater.rInflate(LayoutInflater.java:857)
	at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:817)
	at android.view.LayoutInflater.rInflate(LayoutInflater.java:857)
	at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:817)
	at android.view.LayoutInflater.rInflate(LayoutInflater.java:857)
	at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:817)
	at android.view.LayoutInflater.rInflate(LayoutInflater.java:857)
	at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:817)
	at android.view.LayoutInflater.inflate(LayoutInflater.java:534)
	at android.view.LayoutInflater.inflate(LayoutInflater.java:434)
	at android.view.LayoutInflater.inflate(LayoutInflater.java:377)
	at android.support.v7.app.AppCompatDelegateImplV9.setContentView(AppCompatDelegateImplV9.java:287)
	at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:139)
	at com.multak.mi8212.activity.RecordActivity.onCreate(RecordActivity.java:86)
	at android.app.Activity.performCreate(Activity.java:6367)
	at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1110)
	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2404)
	at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2511)
	at android.app.ActivityThread.access$900(ActivityThread.java:165)
	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1375)
	at android.os.Handler.dispatchMessage(Handler.java:102)
	at android.os.Looper.loop(Looper.java:150)
	at android.app.ActivityThread.main(ActivityThread.java:5621)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:794)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:684)
Caused by: java.lang.OutOfMemoryError: Failed to allocate a 65901936 byte allocation with 12582912 free bytes and 51MB until OOM
	at dalvik.system.VMRuntime.newNonMovableArray(Native Method)
	at android.graphics.BitmapFactory.nativeDecodeAsset(Native Method)
	at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:667)
	at android.graphics.BitmapFactory.decodeResourceStream(BitmapFactory.java:488)
	at android.graphics.drawable.Drawable.createFromResourceStream(Drawable.java:1082)
	at android.content.res.Resources.loadDrawableForCookie(Resources.java:2702)
	at android.content.res.Resources.loadDrawable(Resources.java:2603)
	at android.content.res.HwResources.loadDrawable(HwResources.java:667)
	at android.content.res.TypedArray.getDrawable(TypedArray.java:912)
	at android.widget.ImageView.<init>(ImageView.java:152)
	at android.widget.ImageView.<init>(ImageView.java:140)
	at android.support.v7.widget.AppCompatImageView.<init>(AppCompatImageView.java:72)
	at android.support.v7.widget.AppCompatImageView.<init>(AppCompatImageView.java:68)
	at com.multak.mi8212.view.RoundImageView.<init>(RoundImageView.java:44)
	... 32 more
java.lang.OutOfMemoryError: Failed to allocate a 65901936 byte allocation with 12582912 free bytes and 51MB until OOM
	at dalvik.system.VMRuntime.newNonMovableArray(Native Method)
	at android.graphics.BitmapFactory.nativeDecodeAsset(Native Method)
	at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:667)
	at android.graphics.BitmapFactory.decodeResourceStream(BitmapFactory.java:488)
	at android.graphics.drawable.Drawable.createFromResourceStream(Drawable.java:1082)
	at android.content.res.Resources.loadDrawableForCookie(Resources.java:2702)
	at android.content.res.Resources.loadDrawable(Resources.java:2603)
	at android.content.res.HwResources.loadDrawable(HwResources.java:667)
	at android.content.res.TypedArray.getDrawable(TypedArray.java:912)
	at android.widget.ImageView.<init>(ImageView.java:152)
	at android.widget.ImageView.<init>(ImageView.java:140)
	at android.support.v7.widget.AppCompatImageView.<init>(AppCompatImageView.java:72)
	at android.support.v7.widget.AppCompatImageView.<init>(AppCompatImageView.java:68)
	at com.multak.mi8212.view.RoundImageView.<init>(RoundImageView.java:44)
	at java.lang.reflect.Constructor.newInstance(Native Method)
	at android.view.LayoutInflater.createView(LayoutInflater.java:638)
	at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:783)
	at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:723)
	at android.view.LayoutInflater.rInflate(LayoutInflater.java:854)
	at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:817)
	at android.view.LayoutInflater.rInflate(LayoutInflater.java:857)
	at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:817)
	at android.view.LayoutInflater.rInflate(LayoutInflater.java:857)
	at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:817)
	at android.view.LayoutInflater.rInflate(LayoutInflater.java:857)
	at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:817)
	at android.view.LayoutInflater.rInflate(LayoutInflater.java:857)
	at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:817)
	at android.view.LayoutInflater.inflate(LayoutInflater.java:534)
	at android.view.LayoutInflater.inflate(LayoutInflater.java:434)
	at android.view.LayoutInflater.inflate(LayoutInflater.java:377)
	at android.support.v7.app.AppCompatDelegateImplV9.setContentView(AppCompatDelegateImplV9.java:287)
	at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:139)
	at com.multak.mi8212.activity.RecordActivity.onCreate(RecordActivity.java:86)
	at android.app.Activity.performCreate(Activity.java:6367)
	at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1110)
	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2404)
	at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2511)
	at android.app.ActivityThread.access$900(ActivityThread.java:165)
	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1375)
	at android.os.Handler.dispatchMessage(Handler.java:102)
	at android.os.Looper.loop(Looper.java:150)
	at android.app.ActivityThread.main(ActivityThread.java:5621)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:794)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:684)

2：错误指向XML--的自定义view（借用的别人的圆形Image）

import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Bitmap;
import android.graphics.Bitmap.Config;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.PorterDuff.Mode;
import android.graphics.PorterDuffXfermode;
import android.graphics.Rect;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.NinePatchDrawable;
import android.util.AttributeSet;
public class RoundImageView extends android.support.v7.widget.AppCompatImageView {
    private int mBorderThickness = 0;
    private Context mContext;
    private int defaultColor = 0xFFFFFFFF;
    // 如果只有其中一个有值，则只画一个圆形边框
    private int mBorderOutsideColor = 0;
    private int mBorderInsideColor = 0;
    // 控件默认长、宽
    private int defaultWidth = 0;
    private int defaultHeight = 0;

    public RoundImageView(Context context) {
        super(context);
        mContext = context;
    }

    public RoundImageView(Context context, AttributeSet attrs) {
        super(context, attrs);
        mContext = context;
        setCustomAttributes(attrs);
    }

    public RoundImageView(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        mContext = context;
        setCustomAttributes(attrs);
    }

    private void setCustomAttributes(AttributeSet attrs) {
        TypedArray a = mContext.obtainStyledAttributes(attrs, R.styleable.roundedimageview);
        mBorderThickness = a.getDimensionPixelSize(R.styleable.roundedimageview_border_thickness, 0);
        mBorderOutsideColor = a.getColor(R.styleable.roundedimageview_border_outside_color,defaultColor);
        mBorderInsideColor = a.getColor(R.styleable.roundedimageview_border_inside_color, defaultColor);
    }

    @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);
        if (defaultWidth == 0) {
            defaultWidth = getWidth();
        }
        if (defaultHeight == 0) {
            defaultHeight = getHeight();
        }
        int radius = 0;
        if (mBorderInsideColor != defaultColor && mBorderOutsideColor != defaultColor) {// 定义画两个边框，分别为外圆边框和内圆边框
            radius = (defaultWidth < defaultHeight ? defaultWidth : defaultHeight) / 2 - 2 * mBorderThickness;
            // 画内圆
            drawCircleBorder(canvas, radius + mBorderThickness / 2,mBorderInsideColor);
            // 画外圆
            drawCircleBorder(canvas, radius + mBorderThickness + mBorderThickness / 2, mBorderOutsideColor);
        } else if (mBorderInsideColor != defaultColor && mBorderOutsideColor == defaultColor) {// 定义画一个边框
            radius = (defaultWidth < defaultHeight ? defaultWidth : defaultHeight) / 2 - mBorderThickness;
            drawCircleBorder(canvas, radius + mBorderThickness / 2, mBorderInsideColor);
        } else if (mBorderInsideColor == defaultColor && mBorderOutsideColor != defaultColor) {// 定义画一个边框
            radius = (defaultWidth < defaultHeight ? defaultWidth : defaultHeight) / 2 - mBorderThickness;
            drawCircleBorder(canvas, radius + mBorderThickness / 2, mBorderOutsideColor);
        } else {// 没有边框
            radius = (defaultWidth < defaultHeight ? defaultWidth : defaultHeight) / 2;
        }
        Bitmap roundBitmap = getCroppedRoundBitmap(bitmap, radius);
        canvas.drawBitmap(roundBitmap, defaultWidth / 2 - radius, defaultHeight / 2 - radius, null);
    }

    /**
     * 获取裁剪后的圆形图片
     * @param
     */
    public Bitmap getCroppedRoundBitmap(Bitmap bmp, int radius) {
        Bitmap scaledSrcBmp;
        int diameter = radius * 2;
        // 为了防止宽高不相等，造成圆形图片变形，因此截取长方形中处于中间位置最大的正方形图片
        int bmpWidth = bmp.getWidth();
        int bmpHeight = bmp.getHeight();
        int squareWidth = 0, squareHeight = 0;
        int x = 0, y = 0;
        Bitmap squareBitmap;
        if (bmpHeight > bmpWidth) {// 高大于宽
            squareWidth = squareHeight = bmpWidth;
            x = 0;
            y = (bmpHeight - bmpWidth) / 2;
            // 截取正方形图片
            squareBitmap = Bitmap.createBitmap(bmp, x, y, squareWidth, squareHeight);
        } else if (bmpHeight < bmpWidth) {// 宽大于高
            squareWidth = squareHeight = bmpHeight;
            x = (bmpWidth - bmpHeight) / 2;
            y = 0;
            squareBitmap = Bitmap.createBitmap(bmp, x, y, squareWidth,squareHeight);
        } else {
            squareBitmap = bmp;
        }
        if (squareBitmap.getWidth() != diameter || squareBitmap.getHeight() != diameter) {
            scaledSrcBmp = Bitmap.createScaledBitmap(squareBitmap, diameter,diameter, true);
        } else {
            scaledSrcBmp = squareBitmap;
        }
        Bitmap output = Bitmap.createBitmap(scaledSrcBmp.getWidth(),
                scaledSrcBmp.getHeight(),
                Config.ARGB_8888);
        Canvas canvas = new Canvas(output);

        Paint paint = new Paint();
        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);
        canvas.drawCircle(scaledSrcBmp.getWidth() / 2,
                scaledSrcBmp.getHeight() / 2,
                scaledSrcBmp.getWidth() / 2,
                paint);
        paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));

      //  paint.setShadowLayer(4.0f,0.0f,2.0f, Color.RED);
        canvas.drawBitmap(scaledSrcBmp, rect, rect, paint);
        bmp = null;
        squareBitmap = null;
        scaledSrcBmp = null;
        return output;
    }

    /**
     * 边缘画圆
     */
    private void drawCircleBorder(Canvas canvas, int radius, int color) {
        Paint paint = new Paint();
        /**
         * 自己加的
         */
        //paintBorder.setShadowLayer(4.0f, 0.0f, 2.0f, Color.BLACK);
       // paint.setShadowLayer(4.0f,0.0f,2.0f, Color.RED);

        /* 去锯齿 */

        paint.setAntiAlias(true);
        paint.setFilterBitmap(true);
        paint.setDither(true);
        paint.setColor(color);
        /* 设置paint的　style　为STROKE：空心 */
        paint.setStyle(Paint.Style.STROKE);
        /* 设置paint的外框宽度 */
        paint.setStrokeWidth(mBorderThickness);
        canvas.drawCircle(defaultWidth / 2, defaultHeight / 2, radius, paint);
    }
}

　3：记录下，后续再看