save bitmap object to sdcard to test

SaveBitmap.java

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

public void saveMyBitmap(Bitmap mBitmap,String bitName)  {
        File f = new File( "/sdcard/Test/"+bitName + ".jpg");
        FileOutputStream fOut = null;
        try {
            fOut = new FileOutputStream(f);
            mBitmap.compress(Bitmap.CompressFormat.JPEG, 100, fOut);
            fOut.flush();
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (fOut == null) return;
            try {
                fOut.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

在Android代码中使用如上代码来保存bitmap数据到本地