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本文實例為大家分享了RecyclerView實現水波紋點擊效果的具體代碼，供大家參考，具體內容如下
效果圖
item.xml
這里就是主要設置background為我們后面寫的一個selector
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:background="@drawable/recycler_item_selector"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<TextView
android:id="@+id/textView"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:textSize="40sp"
android:text="aaaa"/>
</LinearLayout>
drawable-v21/recycler_item_selector.xml (v21版本以上)
<?xml version="1.0" encoding="utf-8"?> <ripple xmlns:android="http://schemas.android.com/apk/res/android" android:color="@color/colorPrimary"> <item android:drawable="@color/write"/> </ripple>
drawable/recycler_item_selector.xml (v21版本以下的沒有水波紋效果)
<?xml version="1.0" encoding="utf-8"?> <selector xmlns:android="http://schemas.android.com/apk/res/android"> <item android:drawable="@color/colorPrimary" android:state_pressed="true"/> <item android:drawable="@color/colorPrimary" android:state_focused="true"/> <item android:drawable="@color/write"/> </selector>
接下來是MyAdapter
public class MyAdapter extends RecyclerView.Adapter<MyAdapter.ViewHolder> {
private OnRvItemClick mOnRvItemClick;
private Context mContext;
String[] strings;
public MyAdapter(Context ctx, String[] strings, OnRvItemClick onRvItemClick) {
mContext = ctx;
this.mOnRvItemClick = onRvItemClick;
this.strings = strings;
}
@Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View view = LayoutInflater.from(mContext).inflate(R.layout.item, parent, false);
return new ViewHolder(view);
}
@Override
public void onBindViewHolder(ViewHolder holder, int position) {
holder.setData(position);
}
@Override
public int getItemCount() {
return 20;
}
public class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
@BindView(R.id.textView)
TextView textView;
public ViewHolder(View itemView) {
super(itemView);
ButterKnife.bind(this,itemView);
itemView.setOnClickListener(this);
}
public void setData(int position) {
textView.setText("position" + position);
}
@Override
public void onClick(View view) {
if (mOnRvItemClick != null)
mOnRvItemClick.onItemClick(view, getAdapterPosition());
}
}
/**
* item點擊接口
*/
public interface OnRvItemClick {
void onItemClick(View v, int position);
}
}
MainActivity
public class MainActivity extends AppCompatActivity {
@BindView(R.id.RecyclerView)
RecyclerView mRecyclerView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ButterKnife.bind(this);
MyAdapter myAdapter = new MyAdapter(this, null, new MyAdapter.OnRvItemClick() {
@Override
public void onItemClick(View v, int position) {
Toast.makeText(getApplicationContext(), "click" + position, Toast.LENGTH_SHORT)
.show();
}
});
mRecyclerView.setLayoutManager(new LinearLayoutManager(this,LinearLayoutManager.VERTICAL,false));
mRecyclerView.setAdapter(myAdapter);
}
}
github ：RecyclerView水波紋效果
以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支持億速云。
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