Android 从库中删除文件夹,但图像仍然存在
您好,我正在尝试使用此代码从库中删除整个文件夹Android 从库中删除文件夹,但图像仍然存在,android,file,android-gallery,Android,File,Android Gallery,您好,我正在尝试使用此代码从库中删除整个文件夹 public void delete(View view) { deleteDirectory(new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES), "Dir")); sendBroadcast(new Intent(Intent.ACTION_MEDIA_MOUNTED, Uri.parse("file://"
public void delete(View view)
{
deleteDirectory(new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES), "Dir"));
sendBroadcast(new Intent(Intent.ACTION_MEDIA_MOUNTED, Uri.parse("file://" + Environment.getExternalStorageDirectory())));
}
public static boolean deleteDirectory(File path) {
if( path.exists() ) {
File[] files = path.listFiles();
if (files == null) {
return true;
}
for(int i=0; i<files.length; i++) {
if(files[i].isDirectory()) {
deleteDirectory(files[i]);
}
else {
files[i].delete();
}
}
}
return( path.delete() );
}
公共作废删除(查看)
{
deleteDirectory(新文件(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES),“Dir”);
sendBroadcast(新的Intent(Intent.ACTION\u MEDIA\u挂载,Uri.parse(“文件:/”+Environment.getExternalStorageDirectory()));
}
公共静态布尔删除目录(文件路径){
if(path.exists()){
File[]files=path.listFiles();
if(files==null){
返回true;
}
对于(int i=0;i我通过使用此选项而不是另一个sendBroadcast
sendBroadcast(新的Intent(Intent.ACTION\u MEDIA\u MOUNTED,Uri.parse(“文件:/”+新文件(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY\u PICTURES),“Dir”));
这是因为您的图库不知道这些图像已经消失了。有什么方法可以通知图库它们已经消失了吗?