动态设置控件背景，透明度

来源：互联网发布：华为交换机端口号编辑：程序博客网时间：2024/05/14 19:36

LinearLayout ly = new LinearLayout(getApplicationContext());ly.setOrientation(LinearLayout.HORIZONTAL);ly.setGravity(Gravity.CENTER);ly.setBackground(getResources().getDrawable(R.drawable.location_info_bg));//设置背景色Drawable a = ly.getBackground();a.setAlpha(100);//设置透明度ly.setBackgroundDrawable(a);ly.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT, 100));//设置控件宽高TextView infoView = new TextView(getApplicationContext());infoButton = new Button(getApplicationContext());infoButton.setLayoutParams(new ViewGroup.LayoutParams(100, 60));infoButton.setGravity(Gravity.CENTER);//居中infoButton.setBackgroundColor(getResources().getColor(R.color.orange_light));//背景颜色infoButton.setTextSize(10);View v = new View(getApplicationContext());v.setLayoutParams(new LinearLayout.LayoutParams(40, 0));infoView.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT));infoView.setText(mCompany.getName());infoView.setTextColor(getResources().getColor(R.color.mine_unpressed));

//添加到父控件ly.addView(infoView);ly.addView(v);ly.addView(infoButton);

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