我有一个带有ImageView和TextView的RelativeLayout。我想将TextView放在ImageView(带有少量填充)的正下方,并将ImageView和TextView都对齐,以使其在RelativeLayout中居中。
RelativeLayout以编程方式添加
我已经阅读了一些有关对齐的问题,但是我无法让它们为我工作。下面是我当前的代码...
RelativeLayout的代码
RelativeLayout relativeLayout = new RelativeLayout(this);
ImageView的代码
ImageView image = new ImageView(this);
RelativeLayout.LayoutParams lpImage = new RelativeLayout.LayoutParams(
RelativeLayout.LayoutParams.WRAP_CONTENT,
RelativeLayout.LayoutParams.WRAP_CONTENT);
lpImage.addRule(RelativeLayout.CENTER_IN_PARENT);
//Setting the parameters on the Image
image.setLayoutParams(lpImage);
//adding imageview to relative layout
relativeLayout.addView(image);
TextView的代码
TextView textview = new TextView(this);
RelativeLayout.LayoutParams lpTextView = new RelativeLayout.LayoutParams(
RelativeLayout.LayoutParams.WRAP_CONTENT,
RelativeLayout.LayoutParams.WRAP_CONTENT);
lpTextView.addRule(RelativeLayout.BELOW, image.getId());
//Setting the parameters on the TextView
textview.setLayoutParams(lpTextView);
//Adding TextView to relative layout
relativeLayout.addView(textview);
如果我同时设置RelativeLayout.CENTER_IN_PARENT
图像和文本,则它们彼此重叠,这是可以理解的,因为RelativeLayout支持视图的重叠。
我认为设置RelativeLayout.BELOW
textview将使其在图像下方对齐,但事实并非如此。我什至尝试RelativeLayout.ALIGN_BOTTOM
了textview,但即使这样也没有用。
尝试这个..
RelativeLayout relativeLayout = new RelativeLayout(this);
RelativeLayout.LayoutParams lprela = new RelativeLayout.LayoutParams(
RelativeLayout.LayoutParams.MATCH_PARENT,
RelativeLayout.LayoutParams.MATCH_PARENT);
relativeLayout.setLayoutParams(lprela);
ImageView image = new ImageView(this);
RelativeLayout.LayoutParams lpImage = new RelativeLayout.LayoutParams(
RelativeLayout.LayoutParams.WRAP_CONTENT,
RelativeLayout.LayoutParams.WRAP_CONTENT);
lpImage.addRule(RelativeLayout.ALIGN_PARENT_TOP);
//Setting the parameters on the Image
image.setLayoutParams(lpImage);
//adding imageview to relative layout
relativeLayout.addView(image);
TextView textview = new TextView(this);
RelativeLayout.LayoutParams lpTextView = new RelativeLayout.LayoutParams(
RelativeLayout.LayoutParams.WRAP_CONTENT,
RelativeLayout.LayoutParams.WRAP_CONTENT);
lpTextView.addRule(RelativeLayout.BELOW, image.getId());
//Setting the parameters on the TextView
textview.setLayoutParams(lpTextView);
//Adding TextView to relative layout
relativeLayout.addView(textview);
要么
LinearLayout linearLayout = new LinearLayout(this);
LinearLayout.LayoutParams lp_ineer_ver = new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.MATCH_PARENT,
LinearLayout.LayoutParams.MATCH_PARENT);
linearLayout.setGravity(Gravity.CENTER);
linearLayout.setOrientation(LinearLayout.VERTICAL);
linearLayout.setLayoutParams(lp_ineer_ver);
ImageView image = new ImageView(this);
LinearLayout.LayoutParams lpImage = new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.WRAP_CONTENT,
LinearLayout.LayoutParams.WRAP_CONTENT);
//Setting the parameters on the Image
image.setLayoutParams(lpImage);
//adding imageview to relative layout
linearLayout.addView(image);
TextView textview = new TextView(this);
LinearLayout.LayoutParams lpTextView = new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.WRAP_CONTENT,
LinearLayout.LayoutParams.WRAP_CONTENT);
//Setting the parameters on the TextView
textview.setLayoutParams(lpTextView);
//Adding TextView to relative layout
linearLayout.addView(textview);
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