android截取系统当前屏幕

功能：截取当前屏幕，图片保存到SDCard某个目录下

 private String savePath;            //截屏后图片保存路劲  /* (non-Javadoc)     * @see app.ui.TitleActivity#onCreate(android.os.Bundle)     */    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);setContentView(R.layout.activity_prize);        savePath = getSDCardPath() + "/cut_photo";    }/**     * 获取和保存当前屏幕的截图     */    private void GetandSaveCurrentImage() {        // 1.构建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.获取屏幕        View decorview = this.getWindow().getDecorView();        decorview.setDrawingCacheEnabled(true);        Bmp = decorview.getDrawingCache();        // 3.保存Bitmap        try {            File path = new File(savePath);            // 文件            String filepath = savePath + "/screen.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(this, "截屏文件已保存至SDCard/AndyDemo/",Toast.LENGTH_LONG).show();            }        } catch (Exception e) {            e.printStackTrace();        }    }    /**     * 获取SDCard的目录路径功能     */    private String getSDCardPath() {        File sdcardDir = null;        // 判断SDCard是否存在        boolean sdcardExist = Environment.getExternalStorageState().equals(                android.os.Environment.MEDIA_MOUNTED);        if (sdcardExist) {            sdcardDir = Environment.getExternalStorageDirectory();        }        return sdcardDir.toString();    }

添加读写权限：

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

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