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[英]Set profile picture and save in internal memory folder-android app
[英]The folder is not created in the internal memory on android 10
我的具有所有必要权限的代码不会在 android 10 上创建文件夹(写:“创建文件夹失败”)。 这可能是什么原因造成的? 请帮助我 - 不太了解我的代码中的错误。
活动(如果你需要代码的rest,我可以扔掉它):
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Button btn = (Button) findViewById(R.id.btn);
btn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (hasPermissions()){
makeFolder();
}
else {
method for requesting permission to work with files from the user();
}
});
}
private void makeFolder(){
File file = new File(Environment.getExternalStorageDirectory().getAbsolutePath(),"Folder");
if (!file.exists()){
Boolean ff = file.mkdir();
if (ff){
Toast.makeText(MainActivity.this, "Folder created successfully", Toast.LENGTH_SHORT).show();
}
else {
Toast.makeText(MainActivity.this, "Failed to create folder", Toast.LENGTH_SHORT).show();
}
}
else {
Toast.makeText(MainActivity.this, "Folder already exist", Toast.LENGTH_SHORT).show();
}
}
显现:
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
让我们简单点。 这是创建文件夹的方法调用:
makeFolder ( getFolderPath() );
获取文件夹路径的方法:
public String getFolderPath()
{
String path = new File(Environment.getExternalStorageDirectory() + "/New Folder").getPath();
return path;
}
现在创建文件夹的主要方法:
private void makeFolder(String folderPath)
{
File file = new File(folderPath);
if (!file.exists()) {
file.mkdir();
Log.i("Folder path: " , " " + folderPath );
} else {
Log.e("Folder not created" , "Already exists!")
}
}
将file.mkdir()
替换为file.mkdirs()
,这应该可以解决您的问题。
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