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addView(textView);
public void onClick(View v) {
RelativeLayout.LayoutParams layoutParams =new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.WRAP_CONTENT, RelativeLayout.LayoutParams.WRAP_CONTENT);
layoutParams.addRule(RelativeLayout.CENTER_HORIZONTAL);
textView.setLayoutParams(layoutParams);
}
private void InitView(){
tv = findViewById(R.id.tv);
RelativeLayout.LayoutParams layoutParams =
new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.WRAP_CONTENT, RelativeLayout.LayoutParams.WRAP_CONTENT);
layoutParams.addRule(RelativeLayout.CENTER_IN_PARENT);
setLayoutParams(layoutParams);
}