MainActivity.java 文件源码

/**
 * Updates image (CircularImageView) on selecting a thumbnail
 *
 * @param v
 */
private void updateImage(CompoundImageView v) {
    if (v == mSelectedThumbnail)
        return;

    if (null != mSelectedThumbnail) {
        mSelectedThumbnail.setChecked(false);
    }

    mImage.setChecked(false);
    mSelectedThumbnail = v;
    mSelectedThumbnail.setChecked(true);

    switch (mSelectedThumbnail.getId()) {
        case R.id.thumbnail_1:
            mImage.setImageResource(R.drawable.c1);
            updateCode(getString(R.string.java_code_template, "R.drawable.c1"));
            break;
        case R.id.thumbnail_2:
            mImage.setImageResource(R.drawable.c2);
            updateCode(getString(R.string.java_code_template, "R.drawable.c2"));
            break;
        case R.id.thumbnail_no_image:
            mImage.setImageDrawable(null);
            updateCode(getString(R.string.java_code_template, "null"));
            break;
        case R.id.thumbnail_from_cloud:
            Toast.makeText(this, R.string.loading_remote_image, Toast.LENGTH_SHORT).show();
            Picasso.with(this)
                    .load("https://raw.githubusercontent.com/subinkrishna/CircularImageView/master/art/cat_original.jpg")
                    .noFade()
                    .placeholder(R.drawable.placeholder)
                    .resize(mCivSize, mCivSize)
                    .memoryPolicy(MemoryPolicy.NO_CACHE)
                    .centerCrop()
                    .into(mImage);
            updateCode(getString(R.string.picasso_code_template));
            break;
    }
}