Java 如何更新ProgressDialog片段
我需要从Java 如何更新ProgressDialog片段,java,android,android-fragments,progressdialog,Java,Android,Android Fragments,Progressdialog,我需要从AsyncTask内部更新进度对话框片段。我知道如何使用旧的ProgressDialog,但现在这种显示对话框的方式已被弃用,我正在尝试对片段执行同样的操作 这是片段代码: public static class CustomProgressDialogFragment extends SherlockDialogFragment { static CustomProgressDialogFragment newInstance(Object... params
AsyncTask
内部更新进度对话框片段。我知道如何使用旧的ProgressDialog
,但现在这种显示对话框的方式已被弃用,我正在尝试对片段执行同样的操作
这是片段代码:
public static class CustomProgressDialogFragment extends SherlockDialogFragment {
static CustomProgressDialogFragment newInstance(Object... params){
CustomProgressDialogFragment df = new CustomProgressDialogFragment();
Bundle bundle = new Bundle();
// Populate bundle with params (not shown)
df.setArguments(bundle);
return df;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
this.setCancelable(false);
int style = DialogFragment.STYLE_NORMAL, theme = 0;
setStyle(style,theme);
}
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
Bundle bundle = this.getArguments();
ProgressDialog dialog = new ProgressDialog(getActivity());
// Get params from bundle and customize dialog accordingly (not shown)
dialog.setCancelable(false);
dialog.setIndeterminate(false);
dialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
return dialog;
}
}
这就是我所展示的:
FragmentTransaction ft = this.getSupportFragmentManager().beginTransaction();
CustomProgressDialogFragment dialogFragment = CustomProgressDialogFragment.newInstance(<My params here>);
ft.disallowAddToBackStack();
ft.add(dialogFragment, stringSet.tag);
ft.commitAllowingStateLoss();
FragmentTransaction ft=this.getSupportFragmentManager().beginTransaction();
CustomProgressDialogFragment dialogFragment=CustomProgressDialogFragment.newInstance();
ft.不允许WADDTOBACKSTACK();
ft.add(dialogFragment,stringSet.tag);
ft.佣金列报损失();
现在我需要通过AsyncTask中的对话框调用incrementProgressBy
。有没有办法从FragmentManager中检索底层对话框?这样做的正确方式是什么?(如果重新创建对话框,我不想泄漏引用)
提前谢谢 这可以通过调用来实现。使用
FragmentManager.findFragmentByTag
,可以像往常一样检索对话框fragment