Dialog
dialog 去除外边框的问题
MyDialog myDialog=new MyDialog(MainActivity.this);
myDialog.show();
//需要设置属性,否则dialog的大小不起作用!必须先show再set属性
WindowManager.LayoutParams params = myDialog.getWindow().getAttributes();
params.width = 400;
params.height = 300;
View view1 = View.inflate(getApplicationContext(), R.layout.dialogview, null);
//设置位置的属性
Window dialogWindow = myDialog.getWindow();
// WindowManager.LayoutParams lp = dialogWindow.getAttributes();
dialogWindow.setGravity(Gravity.LEFT | Gravity.TOP);
// 必须使用这个方法,不能使用dialog.setView()的方法
myDialog.getWindow().setContentView(R.layout.dialogview);
dialogWindow.setAttributes(params);
dialogfragment 弹出不显示导航栏问题 https://www.jianshu.com/p/6d48fd0ce177