RoundImageView.java 文件源码

public Bitmap decodeAbtoBm(byte[] b, int actualSize) {
    System.gc();
    Runtime.getRuntime().gc();
    Options oo = new Options();
    oo.inJustDecodeBounds = true;
    BitmapFactory.decodeByteArray(b, 0, b.length, oo);
    int scale = 1;
    while ((oo.outWidth / scale) / 2 >= actualSize && (oo.outHeight / scale) / 2 >= actualSize) {
        scale *= 2;
    }
    Options o2 = new Options();
    o2.inSampleSize = scale;
    o2.inPurgeable = true;
    o2.inInputShareable = true;
    Bitmap bm = BitmapFactory.decodeByteArray(b, 0, b.length, o2);
    System.gc();
    Runtime.getRuntime().gc();
    return bm;
}