前言：RxBinding 是 Jake Wharton 的一个开源库，它提供了一套在 ​​ Android​​ 平台上的基于 RxJava的 Binding API。所谓 Binding，就是类似设置 OnClickListener 、设置 TextWatcher 这样的注册绑定对象的 API。

一：git地址

​​https://github.com/JakeWharton/RxBinding​​

二、androidStudio 使用

一般的包下面就用


compile 'com.jakewharton.rxbinding:rxbinding:0.4.0'


v4'support-v4' library bindings:


compile 'com.jakewharton.rxbinding:rxbinding-support-v4:0.4.0'


'appcompat-v7' library bindings:


compile 'com.jakewharton.rxbinding:rxbinding-appcompat-v7:0.4.0'


'design' library bindings:


compile 'com.jakewharton.rxbinding:rxbinding-design:0.4.0'


三、代码示例

  • Button 防抖处理
    <code class="nohighlight hljs" style="margin:0px; padding:0.5em; border:0px; font-size:13.455px; color:rgb(79,66,76); display:block; overflow-x:auto; background:rgb(231,233,219)"> button = (Button) findViewById( R.id.bt ) ; RxView.clicks( button ) .throttleFirst( 2 , TimeUnit.SECONDS ) //两秒钟之内只取一个点击事件，防抖操作 .subscribe(new Action1<Void>() { @Override public void call(Void aVoid) { Toast.makeText(MainActivity.this, "点击了", Toast.LENGTH_SHORT).show(); } }) ; </code>
  • 按钮的长按时间监听
    <code class="nohighlight hljs" style="margin:0px; padding:0.5em; border:0px; font-size:13.455px; color:rgb(79,66,76); display:block; overflow-x:auto; background:rgb(231,233,219)"> button = (Button) findViewById( R.id.bt ) ; //监听长按时间 RxView.longClicks( button) .subscribe(new Action1<Void>() { @Override public void call(Void aVoid) { Toast.makeText(MainActivity.this, "long click ！！", Toast.LENGTH_SHORT).show(); } }) ; </code>
  • listView 的点击事件、长按事件处理
    <code class="nohighlight hljs" style="margin:0px; padding:0.5em; border:0px; font-size:13.455px; color:rgb(79,66,76); display:block; overflow-x:auto; background:rgb(231,233,219)">listView = (ListView) findViewById( R.id.listview ); List<String> list = new ArrayList<>() ; for ( int i = 0 ; i < 40 ; i++ ){ list.add( "sss" + i ) ; } final ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_expandable_list_item_1 ); adapter.addAll( list ); listView.setAdapter( adapter ); //item click event RxAdapterView.itemClicks( listView ) .subscribe(new Action1<Integer>() { @Override public void call(Integer integer) { Toast.makeText(ListActivity.this, "item click " + integer , Toast.LENGTH_SHORT).show(); } }) ; //item long click RxAdapterView.itemLongClicks( listView) .subscribe(new Action1<Integer>() { @Override public void call(Integer integer) { Toast.makeText(ListActivity.this, "item long click " + integer , Toast.LENGTH_SHORT).show(); } }) ; </code>
<code class="nohighlight hljs" style="margin:0px; padding:0.5em; border:0px; font-size:13.455px; color:rgb(79,66,76); display:block; overflow-x:auto; background:rgb(231,233,219)">- 用户登录界面，勾选同意隐私协议，登录按钮就变高亮
</code>
<code class="nohighlight hljs" style="margin:0px; padding:0.5em; border:0px; font-size:13.455px; color:rgb(79,66,76); display:block; overflow-x:auto; background:rgb(231,233,219)">button = (Button) findViewById( R.id.login_bt );
checkBox = (CheckBox) findViewById( R.id.checkbox );

RxCompoundButton.checkedChanges( checkBox )
    .subscribe(new Action1<Boolean>() {
        @Override
        public void call(Boolean aBoolean) {
            button.setEnabled( aBoolean );
            button.setBackgroundResource( aBoolean ? R.color.button_yes : R.color.button_no );
            }
        }) ;
```
</code>

效果图

  • 搜索的时候，关键词联想功能 。debounce()在一定的时间内没有操作就会发送事件。
    <code class="nohighlight hljs" style="margin:0px; padding:0.5em; border:0px; font-size:13.455px; color:rgb(79,66,76); display:block; overflow-x:auto; background:rgb(231,233,219)"> editText = (EditText) findViewById( R.id.editText );
  • listView = (ListView) findViewById( R.id.listview ); final ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_expandable_list_item_1 ); listView.setAdapter( adapter ); RxTextView.textChanges( editText ) .debounce( 600 , TimeUnit.MILLISECONDS ) .map(new Func1<CharSequence, String>() { @Override public String call(CharSequence charSequence) { //get the keyword String key = charSequence.toString() ; return key ; } }) .observeOn( Schedulers.io() ) .map(new Func1<String, List<String>>() { @Override public List<String> call(String keyWord ) { //get list List<String> dataList = new ArrayList<String>() ; if ( ! TextUtils.isEmpty( keyWord )){ for ( String s : getData() ) { if (s != null) { if (s.contains(keyWord)) { dataList.add(s); } } } } return dataList ; } }) .observeOn( AndroidSchedulers.mainThread() ) .subscribe(new Action1<List<String>>() { @Override public void call(List<String> strings) { adapter.clear(); adapter.addAll( strings ); adapter.notifyDataSetChanged(); } }) ; </code>

    • 运行效果

总结：