Android ProgressBar styled like progress view in S

I use android.support.v4.widget.SwipeRefreshLayout in my Android app. It wraps a ListView. The content of the list view is downloaded from a server.

A progress view is shown when user swipes down in order to reload data from server. The progress view looks like a piece of circle that grows and shrinks during the animation. It seems that the style of this progress view cannot be customized much. However, I am fine with its built-in style.

I also show the same progress animation during initial data loading. This can be achieved by calling mySwipeRefreshLayout.setRefreshing(true). That's perfectly OK too.

However, I would like to show the same progress indication through the whole app. Consider e.g. another activity that looks like a form with submit button. There is neither a ListView nor a SwipeRefreshLayout in this form activity. Some progress indication should be displayed while the submitted data are transferred to the server. I want to show a progress bar with the same animation like in SwipeRefreshLayout.

Is there a simple and clean way to have the same progress indicator for both a SwipeRefreshLayout and a form activity that does not contain any list view and refresh layout and does not support any swipe gesture?

Thanks.

回答1:

However, I would like to show the same progress indication through the whole app. Consider e.g. another activity that looks like a form with submit button. There is neither a ListView nor a SwipeRefreshLayout in this form activity. Some progress indication should be displayed while the submitted data are transferred to the server. I want to show a progress bar with the same animation like in SwipeRefreshLayout.

yes you can use SwipeRefreshLayout to show like ProgressDialog when button click. check below.

i have added SwipeRefreshLayout inside my layout file still there is not ListView or ScrollView. just like below

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    app:layout_behavior="@string/appbar_scrolling_view_behavior"
    tools:context="niu.com.djandroid.jdroid.androidstack.MainActivity"
    tools:showIn="@layout/activity_main">

    <android.support.v4.widget.SwipeRefreshLayout
        android:id="@+id/activity_main_swipe_refresh_layout"
        android:layout_width="match_parent"
        android:layout_height="wrap_content">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical">

            <TextView
                android:id="@+id/textView"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="Hello World!" />

            <SeekBar
                android:id="@+id/seekBar"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginTop="54dp" />

            <Button
                android:id="@+id/button"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="New Button" />
        </LinearLayout>
    </android.support.v4.widget.SwipeRefreshLayout>


</LinearLayout>

now in my activity i used AsyncTask to show SwipeRefreshLayout. also use mSwipeRefreshLayout.setOnRefreshListener(null) to stop swipe gesture.

@Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        mSwipeRefreshLayout = (SwipeRefreshLayout) findViewById(R.id.activity_main_swipe_refresh_layout);


        mSwipeRefreshLayout.setOnRefreshListener(null);

        ((Button) findViewById(R.id.button)).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                // mSwipeRefreshLayout.setRefreshing(true);
                // call AsyncTask
                new LongOperation().execute("");
            }
        });

    }

    private class LongOperation extends AsyncTask<String, Void, String> {

        @Override
        protected String doInBackground(String... params) {
            for (int i = 0; i < 5; i++) {
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    Thread.interrupted();
                }
            }
            return "Executed";
        }

        @Override
        protected void onPostExecute(String result) {
            // stop mSwipeRefreshLayout
            mSwipeRefreshLayout.setRefreshing(false);
        }

        @Override
        protected void onPreExecute() {
            // start mSwipeRefreshLayout
            mSwipeRefreshLayout.setRefreshing(true);
        }

        @Override
        protected void onProgressUpdate(Void... values) {
        }
    }

EDITED:

you can use SwipeRefreshLayoutBottom library from Github. its same as swiperefreshlayout. check below

回答2:

mSwipeRefreshLayout.setOnRefreshListener(null)

didn't work for me, so I made this method to enable and disable refreshing.

 private void setToRefresh(boolean refresh) {
    if (refresh) {
        mSwipeRefreshLayout.setEnabled(true);
        mSwipeRefreshLayout.setRefreshing(true);
    } else {
        mSwipeRefreshLayout.setRefreshing(false);
        mSwipeRefreshLayout.setEnabled(false);
    }
}