/**  * 獲取和保存當前屏幕的截圖  */ private void GetandSaveCurrentImage() {  //1.構建Bitmap  WindowManager windowManager = getWindowManager();  Display display = windowManager.getDefaultDisplay();  int w = display.getWidth();  int h = display.getHeight();    Bitmap Bmp = Bitmap.createBitmap( w, h, Config.ARGB_8888 );     //2.獲取屏幕  View decorview = this.getWindow().getDecorView();   decorview.setDrawingCacheEnabled(true);   Bmp = decorview.getDrawingCache();     String SavePath = getSDCardPath()+"/AndyDemo/ScreenImage";   //3.保存Bitmap   try {   File path = new File(SavePath);   //文件   String filepath = SavePath + "/Screen_1.png";   File file = new File(filepath);   if(!path.exists()){    path.mkdirs();   }   if (!file.exists()) {    file.createNewFile();   }      FileOutputStream fos = null;   fos = new FileOutputStream(file);   if (null != fos) {    Bmp.compress(Bitmap.CompressFormat.PNG, 90, fos);    fos.flush();    fos.close();         Toast.makeText(mContext, "截屏文件已保存至SDCard/AndyDemo/ScreenImage/下", Toast.LENGTH_LONG).show();   }   } catch (Exception e) {   e.printStackTrace();  } }   /**  * 獲取SDCard的目錄路徑功能  * @return  */ private String getSDCardPath(){  File sdcardDir = null;  //判斷SDCard是否存在  boolean sdcardExist = Environment.getExternalStorageState().equals(android.os.Environment.MEDIA_MOUNTED);  if(sdcardExist){   sdcardDir = Environment.getExternalStorageDirectory();  }  return sdcardDir.toString(); } 

<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>