保存图片到SD卡

添加SD卡写权限

方法

public void saveMyBitmap(String bitName, Bitmap mBitmap) {    File f = new File("/sdcard/" + bitName + ".png");    try {        f.createNewFile();    } catch (IOException e) {        // TODO Auto-generated catch block        DebugMessage.put("在保存图片时出错：" + e.toString());    }    FileOutputStream fOut = null;    try {        fOut = new FileOutputStream(f);    } catch (FileNotFoundException e) {        e.printStackTrace();    }    mBitmap.compress(Bitmap.CompressFormat.PNG, 100, fOut);    try {        fOut.flush();    } catch (IOException e) {        e.printStackTrace();    }    try {        fOut.close();    } catch (IOException e) {        e.printStackTrace();    }}