Android中如何在maiactivity.java中往布局中添加一个文本编辑框

Question

怎么从maiactivity.java中往布局中添加一个文本编辑框

EditText et_miyue=new EditText(null);
        et_miyue.setHint("请输入密钥...");
        et_miyue.setSingleLine(true);
        et_miyue.setAlpha(getWallpaperDesiredMinimumWidth());
        et_miyue.setX(BIND_ABOVE_CLIENT);
        addContentView(et_miyue,null);

Answer 1

EditText et_miyue=new EditText(null);
et_miyue.setHint("请输入密钥...");
et_miyue.setSingleLine(true);
et_miyue.setAlpha(getWallpaperDesiredMinimumWidth());
et_miyue.setX(BIND_ABOVE_CLIENT);
LinearLayout linear = new LinearLayout(this);

//注意，对于LinearLayout布局来说，设置横向还是纵向是必须的！否则就看不到效果了。

linear.setOrientation(LinearLayout.VERTICAL);

LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(LayoutParams.WRAP_CONTENT,LayoutParams.WRAP_CONTENT);

linear.addView(et_miyue, lp);

setContentView(linear);