代码
public int saveImageToGallery(Bitmap bmp) {
//生成路径
String root = Environment.getExternalStorageDirectory().getAbsolutePath();
String dirName = "erweima16";
File appDir = new File(root , dirName);
if (!appDir.exists()) {
appDir.mkdirs();
}
//文件名为时间
long timeStamp = System.currentTimeMillis();
SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String sd = sdf.format(new Date(timeStamp));
String fileName = sd + ".jpg";
//获取文件
File file = new File(appDir, fileName);
FileOutputStream fos = null;
try {
fos = new FileOutputStream(file);
bmp.compress(Bitmap.CompressFormat.JPEG, 100, fos);
fos.flush();
//通知系统相册刷新
ImageActivity.this.sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE,
Uri.fromFile(new File(file.getPath()))));
return 2;
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
if (fos != null) {
fos.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
return -1;
}
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