DisplayMetrics dm = new DisplayMetrics();
  getWindowManager().getDefaultDisplay().getMetrics(dm);
  Log.e("TAG", "屏幕高:" + dm.heightPixels);

DisplayMetrics displayMetrics = getResources().getDisplayMetrics();
  Log.e("TAG","screenHeight"+displayMetrics.heightPixels);

int statusBarHeight1 = -1; 
 //获取status_bar_height资源的ID 
 int resourceId = getResources().getIdentifier("status_bar_height", "dimen", "android"); 
 if (resourceId > 0) { 
  //根据资源ID获取响应的尺寸值 
  statusBarHeight1 = getResources().getDimensionPixelSize(resourceId); 
 } 
 Log.e("TAG", "方法1:" + statusBarHeight1); 

int statusBarHeight1 = -1; 
 //获取status_bar_height资源的ID 
 int resourceId = getResources().getIdentifier("status_bar_height", "dimen", "android"); 
 if (resourceId > 0) { 
  //根据资源ID获取响应的尺寸值 
  statusBarHeight1 = getResources().getDimensionPixelSize(resourceId); 
 } 
 Log.e("TAG", "方法1:" + statusBarHeight1); 

 int statusBarHeight2 = -1; 
  try { 
   Class<?> clazz = Class.forName("com.android.internal.R$dimen"); 
   Object object = clazz.newInstance(); 
   int height = Integer.parseInt(clazz.getField("status_bar_height") 
     .get(object).toString()); 
   statusBarHeight2 = getResources().getDimensionPixelSize(height); 
  } catch (Exception e) { 
   e.printStackTrace(); 
  } 
  Log.e("TAG", "方法2:" + statusBarHeight2); 

//屏幕 
  DisplayMetrics dm = new DisplayMetrics(); 
  getWindowManager().getDefaultDisplay().getMetrics(dm); 
  //应用区域 
  Rect outRect1 = new Rect(); 
  getWindow().getDecorView().getWindowVisibleDisplayFrame(outRect1); 
  int statusBar = dm.heightPixels - outRect1.height(); //状态栏高度=屏幕高度-应用区域高度 
  Log.e("WangJ", "方法3:" + statusBar); 

//应用区域
  Rect outRect1 = new Rect();
  getWindow().getDecorView().getWindowVisibleDisplayFrame(outRect1);
   Log.e("TAG", "应用区高" + outRect1.height());

int viewTop = getWindow().findViewById(Window.ID_ANDROID_CONTENT).getTop();
 Log.e("TAG", "标题栏：" + viewTop);

Rect outRect2 = new Rect();
  getWindow().findViewById(Window.ID_ANDROID_CONTENT).getDrawingRect(outRect2);
  Log.e("TAG", "View绘制区域高度：" + outRect2.height());