自定义Dialog实现全屏和位置在屏幕底部

  
  
  
  

   
   
   
   // 设置dialog宽度全屏 

  
  
  
  
  
  
  
  

   
   
   
   

  
  
  
  
  
  
  
  

   
   
   
   WindowManager windowManager = this.getWindow().getWindowManager(); 
  
  
  
  
  
  
  
  

   
   
   
   Display 
   
   
   
   display 
   
   
   
   = 
   
   
   
   windowManager
   
   
   
   .
   
   
   
   getDefaultDisplay
   
   
   
   ();

  
  
  
  
  
  
  
  

   
   
   
   WindowManager
   
   
   
   .
   
   
   
   LayoutParams 
   
   
   
   lp 
   
   
   
   = 
   
   
   
   this
   
   
   
   .
   
   
   
   getWindow
   
   
   
   ().
   
   
   
   getAttributes
   
   
   
   ();

  
  
  
  
  
  
  
  

   
   
   
   lp
   
   
   
   .
   
   
   
   width 
   
   
   
   = 
   
   
   
   (
   
   
   
   int
   
   
   
   ) 
   
   
   
   (
   
   
   
   display
   
   
   
   .
   
   
   
   getWidth
   
   
   
   ()); 
   
   
   
   // 设置宽度 
  
  
  
  
  
  
  
  


  
  
  
  
  
  
  
  

   
   
   
   this
   
   
   
   .
   
   
   
   getWindow
   
   
   
   ().
   
   
   
   setAttributes
   
   
   
   (
   
   
   
   lp
   
   
   
   );

  
  
  
  
  
  
  
  

   
   
   
   this
   
   
   
   .
   
   
   
   getWindow
   
   
   
   ().
   
   
   
   getDecorView
   
   
   
   ().
   
   
   
   setPadding
   
   
   
   (
   
   
   
   0
   
   
   
   , 
   
   
   
   0
   
   
   
   , 
   
   
   
   0
   
   
   
   , 
   
   
   
   0
   
   
   
   );
   
   
   
   // 默认Theme.Dialog还是存在padding的 
  
  
  
  
  
  
  
  


  
  
  
  
  
  
  
  

   
   
   
   this
   
   
   
   .
   
   
   
   getWindow
   
   
   
   ().
   
   
   
   setGravity
   
   
   
   (
   
   
   
   Gravity
   
   
   
   .
   
   
   
   BOTTOM
   
   
   
   );

  
  
  
  
  
  
  
  

   
   
   
   this
   
   
   
   .
   
   
   
   getWindow
   
   
   
   ().
   
   
   
   setWindowAnimations
   
   
   
   (
   
   
   
   R
   
   
   
   .
   
   
   
   style
   
   
   
   .
   
   
   
   TimePickDialog
   
   
   
   );// 设置dialog显示动画