/*
* 保存文件,文件名为当前日期
*/
public void saveBitmap(Bitmap bitmap, String bitName) {
Log.d(TAG,"Build.BRAND============"+Build.BRAND);
String fileName;
File file;
if (Build.BRAND.equals("xiaomi")) { // 小米手机
fileName = Environment.getExternalStorageDirectory().getPath() + "/DCIM/Camera/" + bitName;
}else if (Build.BRAND.equals("Huawei")){
fileName = Environment.getExternalStorageDirectory().getPath() + "/DCIM/Camera/" + bitName;
} else { // Meizu 、Oppo
fileName = Environment.getExternalStorageDirectory().getPath() + "/DCIM/" + bitName;
}
file = new File(fileName);
if (file.exists()) {
file.delete();
}
FileOutputStream out;
try {
out = new FileOutputStream(file);
// 格式为 JPEG,照相机拍出的图片为JPEG格式的,PNG格式的不能显示在相册中
if (bitmap.compress(Bitmap.CompressFormat.JPEG, 90, out)) {
out.flush();
out.close();
// 插入图库
MediaStore.Images.Media.insertImage(this.getContentResolver(), file.getAbsolutePath(), bitName, null);
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
// 发送广播,通知刷新图库的显示
this.sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, Uri.parse("file://" + fileName)));
}
- 保存到自定义路径,然后再刷新到系统相册,这个时候会有两张图片
public static void saveImageToGallery(Context context, Bitmap bmp) {
// 首先保存图片
File appDir = new File(Environment.getExternalStorageDirectory(), "QrCode");
if (!appDir.exists()) {
appDir.mkdir();
}
String fileName = System.currentTimeMillis() + ".jpg";
File file = new File(appDir, fileName);
try {
FileOutputStream fos = new FileOutputStream(file);
bmp.compress(Bitmap.CompressFormat.JPEG, 100, fos);
fos.flush();
fos.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
// 其次把文件插入到系统图库
try {
MediaStore.Images.Media.insertImage(context.getContentResolver(),
file.getAbsolutePath(), fileName, null);
} catch (FileNotFoundException e) {
e.printStackTrace();
}
// 最后通知图库更新
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) { // 判断SDK版本是不是4.4或者高于4.4
String[] paths = new String[]{file.getAbsolutePath()};
MediaScannerConnection.scanFile(context, paths, null, null);
} else {
final Intent intent;
if (file.isDirectory()) {
intent = new Intent(Intent.ACTION_MEDIA_MOUNTED);
intent.setClassName("com.android.providers.media", "com.android.providers.media.MediaScannerReceiver");
intent.setData(Uri.fromFile(Environment.getExternalStorageDirectory()));
} else {
intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
intent.setData(Uri.fromFile(file));
}
context.sendBroadcast(intent);
}
}