给RelativeLayout动态添加widget或TextView，,TextView tv
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给RelativeLayout动态添加widget或TextView，,TextView tv
TextView tv = new TextView(this);RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);layoutParams.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM);tv.setLayoutParams( layoutParams );tv.setText(getString(R.string.loading));tv.setGravity(Gravity.CENTER_HORIZONTAL);layout.addView(tv);
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