[英]Place imageview below imageview programmatically
我正在尝试使用布局参数将图像视图放置在另一个图像视图下,但是它不起作用。.我想要完成此任务: http : //imgur.com/eZfEI
RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.WRAP_CONTENT, RelativeLayout.LayoutParams.WRAP_CONTENT);
params.addRule(RelativeLayout.ALIGN_PARENT_RIGHT, RelativeLayout.TRUE);
iv_album[i] = new ImageView(main.this);
iv_album[i].setImageBitmap(resized_a_p);
iv_album[i].setPadding(0, 5, 5, 0);
iv_album[i].setId(i);
iv_album[i].setOnLongClickListener(main.this);
iv_album[i].setOnClickListener(main.this);
if (i>1){
params.addRule(RelativeLayout.BELOW, iv_album[i].getId() - 1);
}
怎么了 ?
为每个ImageView创建一个LayoutParams对我来说有效:
RelativeLayout layout = (RelativeLayout) this.findViewById(R.id.layoutConnection);
ImageView[] iv_album = new ImageView[8];
for (int i = 0; i < 8; i++) {
RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams(
RelativeLayout.LayoutParams.WRAP_CONTENT, RelativeLayout.LayoutParams.WRAP_CONTENT);
params.addRule(RelativeLayout.ALIGN_PARENT_RIGHT, RelativeLayout.TRUE);
iv_album[i] = new ImageView(this);
iv_album[i].setImageDrawable(this.getResources().getDrawable(R.drawable.ic_launcher));
iv_album[i].setPadding(0, 5, 5, 0);
iv_album[i].setId(i + 1); // BELOW id 0 doesn't work
if (i > 0) {
params.addRule(RelativeLayout.BELOW, iv_album[i - 1].getId());
}
layout.addView(iv_album[i], params);
}
希望能帮助到你
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