package com.lqr.wechat.widget;
import android.app.Dialog;
import android.content.Context;
import android.content.res.Resources;
import android.util.DisplayMetrics;
import android.view.Gravity;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
/**
* @创建者 CSDN_LQR
* @描述 自定义圆角的dialog
*/
public class CustomDialog extends Dialog {
/**
* 宽高由布局文件中指定(但是最底层的宽度无效,可以多嵌套一层解决)
*/
public CustomDialog(Context context, View layout, int style) {
super(context, style);
setContentView(layout);
Window window = getWindow();
WindowManager.LayoutParams params = window.getAttributes();
params.gravity = Gravity.CENTER;
window.setAttributes(params);
}
/**
* 宽高由该方法的参数设置
*/
public CustomDialog(Context context, int width, int height, View layout,
int style) {
super(context, style);
// 设置内容
setContentView(layout);
// 设置窗口属性
Window window = getWindow();
WindowManager.LayoutParams params = window.getAttributes();
// 设置宽度、高度、密度、对齐方式
float density = getDensity(context);
params.width = (int) (width * density);
params.height = (int) (height * density);
params.gravity = Gravity.CENTER;
window.setAttributes(params);
}
/**
* 获取显示密度
*
* @param context
* @return
*/
public float getDensity(Context context) {
Resources res = context.getResources();
DisplayMetrics dm = res.getDisplayMetrics();
return dm.density;
}
}