下拉刷新，在 ActionBar 上显示效果图

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转自 http://blog.csdn.net/itachi85/article/details/41246039

一种使用 AcitonBar 来展示刷新的框架，地址chrisbanes/ActionBar-PullToRefresh

效果图

使用方式：

1. activity_main

<LinearLayout    xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical">    <android.support.v7.widget.Toolbar        android:id="@+id/toolbar"        android:layout_width="match_parent"        android:layout_height="?attr/actionBarSize"/>    <uk.co.senab.actionbarpulltorefresh.library.PullToRefreshLayout        android:id="@+id/pull_to_refresh"        xmlns:android="http://schemas.android.com/apk/res/android"        android:layout_width="match_parent"        android:layout_height="match_parent">        <ListView            android:id="@+id/list_view"            android:layout_width="match_parent"            android:layout_height="match_parent"/>    </uk.co.senab.actionbarpulltorefresh.library.PullToRefreshLayout></LinearLayout>

2. MainActivity

import android.os.Bundle;import android.os.Handler;import android.support.v4.view.MenuItemCompat;import android.support.v7.app.ActionBar;import android.support.v7.app.AppCompatActivity;import android.support.v7.widget.SearchView;import android.support.v7.widget.Toolbar;import android.view.Menu;import android.view.MenuItem;import android.view.View;import android.widget.ArrayAdapter;import android.widget.ListView;import java.util.ArrayList;import java.util.List;import butterknife.Bind;import butterknife.ButterKnife;import uk.co.senab.actionbarpulltorefresh.library.ActionBarPullToRefresh;import uk.co.senab.actionbarpulltorefresh.library.PullToRefreshLayout;import uk.co.senab.actionbarpulltorefresh.library.listeners.OnRefreshListener;public class MainActivity extends AppCompatActivity {    @Bind(R.id.list_view)    ListView mListView;    @Bind(R.id.pull_to_refresh)    PullToRefreshLayout mPullToRefresh;    @Bind(R.id.toolbar)    Toolbar mToolbar;    private List<String> mData = new ArrayList<>();    {        for (int i = 0; i < 15; i++) {            mData.add("item: " + i);        }    }    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        ButterKnife.bind(this);        setSupportActionBar(mToolbar);        ActionBar actionBar = getSupportActionBar();        if (actionBar != null) {            actionBar.setDisplayHomeAsUpEnabled(false);        }        mListView.setAdapter(new ArrayAdapter<>(this, android.R.layout.simple_list_item_1, android.R.id.text1, mData));        ActionBarPullToRefresh.from(MainActivity.this)                // Mark All Children as pullable                .allChildrenArePullable()                        // Set a OnRefreshListener                .listener(new OnRefreshListener() {                    @Override                    public void onRefreshStarted(View view) {                        new Handler().postDelayed(new Runnable() {                            @Override                            public void run() {                                // 两种方法是一样的//                                mPullToRefresh.setRefreshComplete();                                mPullToRefresh.setRefreshing(false);                            }                        }, 3000);                    }                })                        // Finally commit the setup to our PullToRefreshLayout                .setup(mPullToRefresh);    }    @Override    public boolean onCreateOptionsMenu(Menu menu) {        getMenuInflater().inflate(R.menu.menu_main, menu);        SearchView searchView = (SearchView) MenuItemCompat.getActionView(menu.findItem(R.id.action_search));        searchView.setIconifiedByDefault(true);        return true;    }    @Override    public boolean onOptionsItemSelected(MenuItem item) {        int id = item.getItemId();        if (id == R.id.action_search) {            return true;        }        return super.onOptionsItemSelected(item);    }}

缺点：

没有上拉加载功能，对 RecyclerView 不支持

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