我在将图像视图添加到相对布局时遇到问题。我想将图像添加到我使用RelativeLayout 动态创建的菜单项列表中。我的所有菜单项都按顺序显示得很好,但是当我尝试为每个项目添加图像时,我只得到一个箭头并且它没有垂直居中。下面是我的代码。
在我的 XML 文件中
<RelativeLayout
android:id="@+id/pMenu"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="wrap_content">
</RelativeLayout>
在我的代码中:
private void buildMenu(String name, int id) {
String[] menuItems = getResources().getStringArray(pMenus[id]);
// Get the rel layout from xml
RelativeLayout container = (RelativeLayout) findViewById(R.id.pMenu);
int imageId=1;
Typeface tf = Typeface.createFromAsset(this.getAssets(),"mreavesmodot-reg.otf");
for(String menuItem: menuItems) {
// Defining the layout parameters
RelativeLayout.LayoutParams lp = new RelativeLayout.LayoutParams(
RelativeLayout.LayoutParams.WRAP_CONTENT,
RelativeLayout.LayoutParams.WRAP_CONTENT);
StyledButton menuImage = new StyledButton(this);
menuImage.setBackgroundResource(R.drawable.menu_button);
menuImage.setText(menuItem);
menuImage.setTypeface(tf);
menuImage.setTextSize(19);
menuImage.setPadding(20, 0, 0, 0);
menuImage.setTextColor(Color.WHITE);
menuImage.setGravity(Gravity.LEFT | Gravity.CENTER_VERTICAL);
menuImage.setOnClickListener(getOnClickListener(menuImage, name));
menuImage.setId(imageId);
if(imageId==1) {
lp.addRule(RelativeLayout.ALIGN_PARENT_TOP);
} else {
lp.addRule(RelativeLayout.BELOW ,imageId-1);
}
menuImage.setLayoutParams(lp);
ImageView arrow = new ImageView(this);
arrow.setImageResource(R.drawable.arrow_menu);
arrow.setPadding(0, 0, 15, 0);
RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams( RelativeLayout.LayoutParams.WRAP_CONTENT,
RelativeLayout.LayoutParams.WRAP_CONTENT );
params.addRule(RelativeLayout.ALIGN_RIGHT,menuImage.getId());
params.addRule(RelativeLayout.CENTER_VERTICAL);
arrow.setLayoutParams(params);
container.addView(menuImage);
container.addView(arrow);
imageId++;
}
}