private void initActivity() {
FrameLayout content = new FrameLayout(this);
// 图表显示范围在占屏幕大小的90%的区域内
DisplayMetrics dm = getResources().getDisplayMetrics();
int scrWidth = (int) (dm.widthPixels * 0.9);
int scrHeight = (int) (dm.heightPixels * 0.8);
RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(scrWidth, scrHeight);
// 设置位置
layoutParams.alignWithParent=true;
layoutParams.addRule(RelativeLayout.BELOW ,R.id.liner);
ShenGao.this.addContentView(mCharts[mSelected], layoutParams);
}
R.id.liner是我在xml布局里写好的控件,又手动创建了一个组件的,但是手动创建的组件不能居中,求解