如何以编程方式设置layout_gravity？

Java

LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.MATCH_PARENT);params.weight = 1.0f;params.gravity = Gravity.TOP;button.setLayoutParams(params);

Kotlin

val params = LinearLayout.LayoutParams(    LinearLayout.LayoutParams.WRAP_CONTENT,    LinearLayout.LayoutParams.WRAP_CONTENT).apply {    weight = 1.0f    gravity = Gravity.TOP}

有关重力值以及如何设置重力，请检查“重力”。

基本上，您应该选择

LayoutParams

RelativeLayout，LinearLayout