Android: SwipeRefreshLayout
<?xml version="1.0" encoding="utf-8"?> | |
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android" | |
xmlns:tools="http://schemas.android.com/tools" | |
android:layout_width="match_parent" | |
android:layout_height="match_parent" | |
tools:context="tech.alvarez.myapplication.MainActivity"> | |
<android.support.v4.widget.SwipeRefreshLayout | |
android:id="@+id/swipeRefreshLayout" | |
android:layout_width="match_parent" | |
android:layout_height="match_parent"> | |
<android.support.v7.widget.RecyclerView | |
android:id="@+id/recyclerView" | |
android:layout_width="match_parent" | |
android:layout_height="match_parent" /> | |
</android.support.v4.widget.SwipeRefreshLayout> | |
</android.support.design.widget.CoordinatorLayout> |
import android.os.AsyncTask; | |
import android.os.Bundle; | |
import android.support.v4.widget.SwipeRefreshLayout; | |
import android.support.v7.app.AppCompatActivity; | |
public class MainActivity extends AppCompatActivity { | |
private SwipeRefreshLayout swipeRefreshLayout; | |
@Override | |
protected void onCreate(Bundle savedInstanceState) { | |
super.onCreate(savedInstanceState); | |
setContentView(R.layout.activity_main); | |
swipeRefreshLayout = (SwipeRefreshLayout) findViewById(R.id.swipeRefreshLayout); | |
swipeRefreshLayout.setColorSchemeResources(R.color.colorPrimary); | |
swipeRefreshLayout.setProgressBackgroundColorSchemeResource(R.color.colorAccent); | |
swipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() { | |
@Override | |
public void onRefresh() { | |
cargarDatos(); | |
} | |
}); | |
} | |
private void cargarDatos() { | |
new UnaTarea().execute(); | |
} | |
private class UnaTarea extends AsyncTask<Void, Void, Void> { | |
@Override | |
protected Void doInBackground(Void... params) { | |
try { | |
Thread.sleep(3000); | |
} catch (InterruptedException e) { | |
e.printStackTrace(); | |
} | |
return null; | |
} | |
@Override | |
protected void onPostExecute(Void aVoid) { | |
super.onPostExecute(aVoid); | |
swipeRefreshLayout.setRefreshing(false); | |
} | |
} | |
} |
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