Java 如何在android recyclerview中获取单击项目的文本
我正在开发一个应用程序,使用截击、碎片和回收视图显示包含文本和图像的项目列表。列表显示成功。但我想知道如何在单击要在列表中获得名称的产品时实现(ImageTitleNameView在我的代码中表示)。下面显示了我的代码 FriendsFragment.javaJava 如何在android recyclerview中获取单击项目的文本,java,android,android-fragments,android-recyclerview,Java,Android,Android Fragments,Android Recyclerview,我正在开发一个应用程序,使用截击、碎片和回收视图显示包含文本和图像的项目列表。列表显示成功。但我想知道如何在单击要在列表中获得名称的产品时实现(ImageTitleNameView在我的代码中表示)。下面显示了我的代码 FriendsFragment.java public class FriendsFragment extends android.support.v4.app.Fragment { List<GetDataAdapter> GetDataAdapter1;
public class FriendsFragment extends android.support.v4.app.Fragment {
List<GetDataAdapter> GetDataAdapter1;
RecyclerView recyclerView;
RecyclerView.LayoutManager recyclerViewlayoutManager;
RecyclerView.Adapter recyclerViewadapter;
String GET_JSON_DATA_HTTP_URL = "http://192.168.xx.x/1.php";
String JSON_IMAGE_TITLE_NAME = "image_title";
String JSON_IMAGE_URL = "image_url";
JsonArrayRequest jsonArrayRequest ;
RequestQueue requestQueue ;
public FriendsFragment() {
// Required empty public constructor
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragment_friends, container, false);
GetDataAdapter1 = new ArrayList<>();
recyclerView = (RecyclerView) rootView.findViewById(R.id.recyclerview1);
recyclerView.setHasFixedSize(true);
recyclerViewlayoutManager = new LinearLayoutManager(getContext());
recyclerView.setLayoutManager(recyclerViewlayoutManager);
JSON_DATA_WEB_CALL();
// Inflate the layout for this fragment
return rootView;
}
public void JSON_DATA_WEB_CALL(){
jsonArrayRequest = new JsonArrayRequest(GET_JSON_DATA_HTTP_URL,
new Response.Listener<JSONArray>() {
@Override
public void onResponse(JSONArray response) {
Log.d("LOGTAG", "Response :"+response);
JSON_PARSE_DATA_AFTER_WEBCALL(response);
}
},
new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
}
});
requestQueue = Volley.newRequestQueue(getContext());
requestQueue.add(jsonArrayRequest);
}
public void JSON_PARSE_DATA_AFTER_WEBCALL(JSONArray array){
for(int i = 0; i<array.length(); i++) {
GetDataAdapter GetDataAdapter2 = new GetDataAdapter();
JSONObject json = null;
try {
json = array.getJSONObject(i);
GetDataAdapter2.setImageTitleNamee(json.getString(JSON_IMAGE_TITLE_NAME));
GetDataAdapter2.setImageServerUrl(json.getString(JSON_IMAGE_URL));
} catch (JSONException e) {
e.printStackTrace();
}
GetDataAdapter1.add(GetDataAdapter2);
}
recyclerViewadapter = new RecyclerViewAdapter(GetDataAdapter1, getContext());
recyclerView.setAdapter(recyclerViewadapter);
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
}
@Override
public void onDetach() {
super.onDetach();
}
}
SampleHolder.java
public class SampleHolder extends RecyclerView.ViewHolder {
public SampleHolder(View itemView) {
super(itemView);
}
}
RecycleServiceAdapter.java
public class GetDataAdapter {
public String ImageServerUrl;
public String ImageTitleName;
public String getImageServerUrl() {
return ImageServerUrl;
}
public void setImageServerUrl(String imageServerUrl) {
this.ImageServerUrl = imageServerUrl;
}
public String getImageTitleName() {
return ImageTitleName;
}
public void setImageTitleNamee(String Imagetitlename) {
this.ImageTitleName = Imagetitlename;
}
}
public class RecyclerViewAdapter extends RecyclerView.Adapter<RecyclerViewAdapter.ViewHolder> {
Context context;
List<GetDataAdapter> getDataAdapter;
ImageLoader imageLoader1;
private final View.OnClickListener mOnClickListener = new MyOnClickListener();
public RecyclerViewAdapter(List<GetDataAdapter> getDataAdapter, Context context){
super();
this.getDataAdapter = getDataAdapter;
this.context = context;
}
@Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.recyclerview_items, parent, false);
v.setOnClickListener(mOnClickListener);
ViewHolder viewHolder = new ViewHolder(v);
return viewHolder;
}
@Override
public void onBindViewHolder(ViewHolder Viewholder, int position) {
GetDataAdapter getDataAdapter1 = getDataAdapter.get(position);
Viewholder.ImageTitleNameView.setText(getDataAdapter1.getImageTitleName());
Log.d("LOGTAG", "Name :"+getDataAdapter1.getImageTitleName());
imageLoader1 = ServerImageParseAdapter.getInstance(context).getImageLoader();
imageLoader1.get(getDataAdapter1.getImageServerUrl(),
ImageLoader.getImageListener(
Viewholder.networkImageView,//Server Image
R.mipmap.ic_launcher,//Before loading server image the default showing image.
android.R.drawable.ic_dialog_alert //Error image if requested image dose not found on server.
)
);
Viewholder.networkImageView.setImageUrl(getDataAdapter1.getImageServerUrl(), imageLoader1);
Viewholder.ImageTitleNameView.setText(getDataAdapter1.getImageTitleName());
}
@Override
public int getItemCount() {
return getDataAdapter.size();
}
class ViewHolder extends RecyclerView.ViewHolder{
public TextView ImageTitleNameView;
public NetworkImageView networkImageView ;
public ViewHolder(View itemView) {
super(itemView);
ImageTitleNameView = (TextView) itemView.findViewById(R.id.textView_item) ;
networkImageView = (NetworkImageView) itemView.findViewById(R.id.VollyNetworkImageView1) ;
}
}
private class MyOnClickListener implements View.OnClickListener {
@Override
public void onClick(View v) {
//Log.d("LOGTAG", "clicked : name "+ );
}
}
}
public class ServerImageParseAdapter {
public static ServerImageParseAdapter SIAdapter;
public static Context context1;
public RequestQueue requestQueue1;
public ImageLoader Imageloader1;
public Cache cache1 ;
public Network networkOBJ ;
LruCache<String, Bitmap> LRUCACHE = new LruCache<String, Bitmap>(30);
private ServerImageParseAdapter(Context context) {
this.context1 = context;
this.requestQueue1 = RQ();
Imageloader1 = new ImageLoader(requestQueue1, new ImageLoader.ImageCache() {
@Override
public Bitmap getBitmap(String URL) {
return LRUCACHE.get(URL);
}
@Override
public void putBitmap(String url, Bitmap bitmap) {
LRUCACHE.put(url, bitmap);
}
});
}
public ImageLoader getImageLoader() {
return Imageloader1;
}
public static ServerImageParseAdapter getInstance(Context SynchronizedContext) {
if (SIAdapter == null) {
SIAdapter = new ServerImageParseAdapter(SynchronizedContext);
}
return SIAdapter;
}
public RequestQueue RQ() {
if (requestQueue1 == null) {
cache1 = new DiskBasedCache(context1.getCacheDir());
networkOBJ = new BasicNetwork(new HurlStack());
requestQueue1 = new RequestQueue(cache1, networkOBJ);
requestQueue1.start();
}
return requestQueue1;
}
}
公共类RecycleServiceAdapter扩展了RecyclerView.Adapter{
语境;
列出getDataAdapter;
图像加载器图像加载器1;
private final View.OnClickListener mOnClickListener=new MyOnClickListener();
公共RecycleServiceAdapter(列表getDataAdapter,上下文){
超级();
this.getDataAdapter=getDataAdapter;
this.context=上下文;
}
@凌驾
public ViewHolder onCreateViewHolder(视图组父级,int-viewType){
视图v=LayoutInflater.from(parent.getContext()).flate(R.layout.recyclerview_items,parent,false);
v、 setOnClickListener(mOnClickListener);
视窗夹持器视窗夹持器=新视窗夹持器(v);
返回视图持有者;
}
@凌驾
公共无效onBindViewHolder(ViewHolder ViewHolder,int位置){
GetDataAdapter getDataAdapter1=GetDataAdapter.get(位置);
Viewholder.ImageTitleNameView.setText(getDataAdapter1.getImageTitleName());
Log.d(“LOGTAG”,“Name:+getDataAdapter1.getImageTitleName());
imageLoader1=ServerImageParseAdapter.getInstance(上下文).getImageLoader();
imageLoader1.get(getDataAdapter1.getImageServerUrl(),
ImageLoader.getImageListener(
Viewholder.networkImageView,//服务器映像
R.mipmap.ic_启动器,//在加载服务器映像之前,默认显示映像。
android.R.drawable.ic_对话框_警报//如果在服务器上找不到请求的图像,则显示错误图像。
)
);
Viewholder.networkImageView.setImageUrl(getDataAdapter1.getImageServerUrl(),imageLoader1);
Viewholder.ImageTitleNameView.setText(getDataAdapter1.getImageTitleName());
}
@凌驾
public int getItemCount(){
返回getDataAdapter.size();
}
类ViewHolder扩展了RecyclerView.ViewHolder{
公共文本视图图像标题名称视图;
公共网络图像视图网络图像视图;
公共视图持有者(视图项视图){
超级(项目视图);
ImageTitleNameView=(TextView)itemView.findViewById(R.id.TextView\u项);
networkImageView=(networkImageView)itemView.findViewById(R.id.VollyNetworkImageView1);
}
}
私有类MyOnClickListener实现View.OnClickListener{
@凌驾
公共void onClick(视图v){
//d(“LOGTAG”,“clicked:name”+);
}
}
}
ServerImageParseAdapter.java
public class GetDataAdapter {
public String ImageServerUrl;
public String ImageTitleName;
public String getImageServerUrl() {
return ImageServerUrl;
}
public void setImageServerUrl(String imageServerUrl) {
this.ImageServerUrl = imageServerUrl;
}
public String getImageTitleName() {
return ImageTitleName;
}
public void setImageTitleNamee(String Imagetitlename) {
this.ImageTitleName = Imagetitlename;
}
}
public class RecyclerViewAdapter extends RecyclerView.Adapter<RecyclerViewAdapter.ViewHolder> {
Context context;
List<GetDataAdapter> getDataAdapter;
ImageLoader imageLoader1;
private final View.OnClickListener mOnClickListener = new MyOnClickListener();
public RecyclerViewAdapter(List<GetDataAdapter> getDataAdapter, Context context){
super();
this.getDataAdapter = getDataAdapter;
this.context = context;
}
@Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.recyclerview_items, parent, false);
v.setOnClickListener(mOnClickListener);
ViewHolder viewHolder = new ViewHolder(v);
return viewHolder;
}
@Override
public void onBindViewHolder(ViewHolder Viewholder, int position) {
GetDataAdapter getDataAdapter1 = getDataAdapter.get(position);
Viewholder.ImageTitleNameView.setText(getDataAdapter1.getImageTitleName());
Log.d("LOGTAG", "Name :"+getDataAdapter1.getImageTitleName());
imageLoader1 = ServerImageParseAdapter.getInstance(context).getImageLoader();
imageLoader1.get(getDataAdapter1.getImageServerUrl(),
ImageLoader.getImageListener(
Viewholder.networkImageView,//Server Image
R.mipmap.ic_launcher,//Before loading server image the default showing image.
android.R.drawable.ic_dialog_alert //Error image if requested image dose not found on server.
)
);
Viewholder.networkImageView.setImageUrl(getDataAdapter1.getImageServerUrl(), imageLoader1);
Viewholder.ImageTitleNameView.setText(getDataAdapter1.getImageTitleName());
}
@Override
public int getItemCount() {
return getDataAdapter.size();
}
class ViewHolder extends RecyclerView.ViewHolder{
public TextView ImageTitleNameView;
public NetworkImageView networkImageView ;
public ViewHolder(View itemView) {
super(itemView);
ImageTitleNameView = (TextView) itemView.findViewById(R.id.textView_item) ;
networkImageView = (NetworkImageView) itemView.findViewById(R.id.VollyNetworkImageView1) ;
}
}
private class MyOnClickListener implements View.OnClickListener {
@Override
public void onClick(View v) {
//Log.d("LOGTAG", "clicked : name "+ );
}
}
}
public class ServerImageParseAdapter {
public static ServerImageParseAdapter SIAdapter;
public static Context context1;
public RequestQueue requestQueue1;
public ImageLoader Imageloader1;
public Cache cache1 ;
public Network networkOBJ ;
LruCache<String, Bitmap> LRUCACHE = new LruCache<String, Bitmap>(30);
private ServerImageParseAdapter(Context context) {
this.context1 = context;
this.requestQueue1 = RQ();
Imageloader1 = new ImageLoader(requestQueue1, new ImageLoader.ImageCache() {
@Override
public Bitmap getBitmap(String URL) {
return LRUCACHE.get(URL);
}
@Override
public void putBitmap(String url, Bitmap bitmap) {
LRUCACHE.put(url, bitmap);
}
});
}
public ImageLoader getImageLoader() {
return Imageloader1;
}
public static ServerImageParseAdapter getInstance(Context SynchronizedContext) {
if (SIAdapter == null) {
SIAdapter = new ServerImageParseAdapter(SynchronizedContext);
}
return SIAdapter;
}
public RequestQueue RQ() {
if (requestQueue1 == null) {
cache1 = new DiskBasedCache(context1.getCacheDir());
networkOBJ = new BasicNetwork(new HurlStack());
requestQueue1 = new RequestQueue(cache1, networkOBJ);
requestQueue1.start();
}
return requestQueue1;
}
}
公共类ServerImageParseAdapter{
公共静态服务器ImageParseAdapter SIAdapter;
公共静态语境1;
公共请求队列requestQueue1;
公共图像加载器图像加载器1;
公共缓存cache1;
公共网络OBJ;
LruCache LruCache=新LruCache(30);
专用服务器ImageParseAdapter(上下文){
this.context1=上下文;
this.requestQueue1=RQ();
Imageloader1=new ImageLoader(requestQueue1,new ImageLoader.ImageCache(){
@凌驾
公共位图getBitmap(字符串URL){
返回LRUCACHE.get(URL);
}
@凌驾
公共位图(字符串url、位图){
LRUCACHE.put(url、位图);
}
});
}
公共ImageLoader getImageLoader(){
返回图像加载程序1;
}
公共静态ServerImageParseAdapter getInstance(上下文同步上下文){
如果(SIAdapter==null){
SIAdapter=新的ServerImageParseAdapter(SynchronizedContext);
}
返回唾液适配器;
}
公共请求队列RQ(){
if(requestQueue1==null){
cache1=新的DiskBasedCache(context1.getCacheDir());
networkOBJ=新的基本网络(new HurlStack());
requestQueue1=新的RequestQueue(cache1,networkOBJ);
requestQueue1.start();
}
返回请求队列1;
}
}
我想知道如何在单击我想要的产品时实现
在列表中获取名称
因为click listener设置为recyclerview
布局,其他视图是recyclerview
视图的子视图。onClick
方法的参数是所单击视图的实例。
使用v
访问单击的行文本视图数据:
@Override
public void onClick(View v) {
TextView textView = (TextView) v.findViewById(R.id.textView_item) ;
Log.d("LOGTAG", "clicked : name "+textView.getText().toString() );
}
我想知道如何在单击我想要的产品时实现
在列表中获取名称
因为click listener设置为recyclerview
布局,其他视图是recyclerview
视图的子视图。onClick
方法的参数是所单击视图的实例。
使用v
访问单击的行文本视图数据:
@Override
public void onClick(View v) {
TextView textView = (TextView) v.findViewById(R.id.textView_item) ;
Log.d("LOGTAG", "clicked : name "+textView.getText().toString() );
}
列表中的名称是ImageTitleNameView。@faziltm:R.id.textView\u item textView?没有得到答案,请帮助我。@faziltm:哪个问题?根据我的回答显示你的更新代码谢谢你@ρƏσρє。我得到了答案。列表中的名称是ImageTitleNameView。@faziltm:R.id.textView\u item textView?没有得到答案,请帮助我。@faziltm:哪个问题?根据我的回答显示你的更新代码谢谢你@ρƏσρє。我得到了答案。没有得到正确的答案。我想当我点击cardview时。然后我想得到imageTitleNameView。请帮帮我,我没有得到正确的答案。我想当我点击cardview时。然后我想得到imageTitleNameView。请帮帮我好吗?