我有一个导航活动,我还有一个循环视图和工具栏,要在此视图上使用工具栏和循环视图,我创建了一个单独的XML布局,如下所示:
<android.support.design.widget.CoordinatorLayout xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.example.afcosta.inesctec.pt.android.PlantFeed">
<android.support.design.widget.AppBarLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="@style/AppTheme.AppBarOverlay">
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="@color/emerald"
app:popupTheme="@style/AppTheme.PopupOverlay" />
<android.support.v7.widget.RecyclerView
app:layout_behavior="@string/appbar_scrolling_view_behavior"
android:id="@+id/recycleView"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
</android.support.design.widget.AppBarLayout>
<android.support.design.widget.FloatingActionButton
android:id="@+id/fab"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="bottom|end"
android:layout_margin="@dimen/fab_margin"
android:backgroundTint="#f1c40f"
android:src="@android:drawable/ic_menu_camera" />
<include layout="@layout/content_plant_feed" />
</android.support.design.widget.CoordinatorLayout>
在此之后,我将此布局包含在我的主要活动中,如下所示:
<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
tools:openDrawer="start">
<include
layout="@layout/app_bar_plant_feed"
android:layout_width="match_parent"
android:layout_height="match_parent" />
<android.support.design.widget.NavigationView
android:id="@+id/nav_view"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_gravity="start"
android:fitsSystemWindows="true"
app:headerLayout="@layout/nav_header_plant_feed"
app:menu="@menu/activity_plant_feed_drawer"
android:background="@color/white"/>
</android.support.v4.widget.DrawerLayout>
我使用cardview使用我的数据库的数据填充回收者视图,事情是用这种方法(使用包含)我的回收视图不滚动,我有很多项目,但它总是显示只有4它们。
我的适配器:
public class PlantFeedAdapter extends RecyclerView.Adapter<PlantFeedAdapter.ViewHolder> {
private OnItemClickListener listener;
public interface OnItemClickListener {
void onRowClick(int position, String name, int id, View view);
void onTitleClicked(int position, int id, View clickedview);
void onImageClicked(int position,int id, View clickedview);
void onReportClicked(int position, int id,String name, View clickedview);
void onUserIconClicked(int position, int id, View clickedview);
void onUsernameClicked(int position, int id, View clickedview);
void onAvaliationClicked(int position, int id,String name, View clickedview);
}
private ArrayList<PlantPhotoUser> photos;
private Context context;
public PlantFeedAdapter(Context context, ArrayList<PlantPhotoUser> photos, OnItemClickListener listener) {
this.photos = photos;
this.context = context;
this.listener = listener;
}
@Override
public PlantFeedAdapter.ViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) {
View view = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.plant_feed_row, viewGroup, false);
return new ViewHolder(view);
}
@Override
public void onBindViewHolder(final PlantFeedAdapter.ViewHolder viewHolder, final int i) {
viewHolder.name.setText(photos.get(i).getSpecie());
viewHolder.username.setText(photos.get(i).getUsernName());
viewHolder.data.setText(photos.get(i).getDate().split("T")[0]);
Log.d("data123",(photos.get(i).getDate().toString()));
final String urlFoto = "http://10.0.2.2:3000/" + photos.get(i).getPath();
viewHolder.userIcon.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if (listener != null) {
listener.onUserIconClicked(viewHolder.getAdapterPosition(), photos.get(i).getUserId(), view);
}
}
});
viewHolder.username.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if (listener != null) {
listener.onUsernameClicked(viewHolder.getAdapterPosition(),photos.get(i).getUserId(), view);
}
}
});
viewHolder.plantImg.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if (listener != null) {
listener.onImageClicked(viewHolder.getAdapterPosition(), photos.get(i).getIdPlant(), view);
}
}
});
viewHolder.name.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if(listener != null){
listener.onTitleClicked(viewHolder.getAdapterPosition(),photos.get(i).getIdPlant(),v);
}
}
});
viewHolder.reportImage.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if(listener != null){
listener.onReportClicked(viewHolder.getAdapterPosition(),photos.get(i).getIdPlant(),photos.get(i).getSpecie(),v);
}
}
});
viewHolder.avaliationFoto.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if(listener != null){
listener.onAvaliationClicked(viewHolder.getAdapterPosition(),photos.get(i).getIdPlant(),photos.get(i).getSpecie(),v);
}
}
});
Picasso.with(context)
.load(urlFoto)
.resize(300, 300)
.into(viewHolder.plantImg);
}
@Override
public int getItemCount() {
return photos.size();
}
public class ViewHolder extends RecyclerView.ViewHolder{
private TextView name;
private ImageView userIcon;
private TextView avaliationFoto;
private ImageView plantImg;
private ImageView foto;
private TextView username;
private ImageView reportImage;
private TextView data;
public ViewHolder(View view) {
super(view);
data = (TextView)view.findViewById(R.id.data);
name = (TextView) view.findViewById(R.id.plantName);
avaliationFoto = (TextView)view.findViewById(R.id.Avaliation);
userIcon = (ImageView)view.findViewById(R.id.userIcon);
plantImg = (ImageView)view.findViewById(R.id.plantPhoto);;
username = (TextView)view.findViewById(R.id.username);
reportImage = (ImageView)view.findViewById(R.id.cameraForbiden);
}
}
}
活动代码:
public class PlantFeed extends AppCompatActivity
implements NavigationView.OnNavigationItemSelectedListener,PlantFeedAdapter.OnItemClickListener {
//initialize fields
String token;
ArrayList<PlantPhotoUser> photos = new ArrayList<>();
VolleyService mVolleyService;
IResult mResultCallback = null;
final String GETREQUEST = "GETCALL";
final String URL = "http://10.0.2.2:3000/fotos";
String date;
String lat;
String lon;
String alt;
PlantFeedAdapter plantFeedAdapter;
RecyclerView recyclerView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_plant_feed);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
fab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent i = new Intent(PlantFeed.this,CameraCapture.class);
startActivity(i);
}
});
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
drawer.setDrawerListener(toggle);
toggle.syncState();
NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
navigationView.setNavigationItemSelectedListener(this);
recyclerView = (RecyclerView)findViewById(R.id.recycleView);
recyclerView.setHasFixedSize(true);
recyclerView.setLayoutManager((new LinearLayoutManager(this)));
plantFeedAdapter = new PlantFeedAdapter(getApplicationContext(), photos,PlantFeed.this);
recyclerView.setAdapter(plantFeedAdapter);
token = checkForToken();
initVolleyCallback();
mVolleyService = new VolleyService(mResultCallback,this);
mVolleyService.getDataVolley(GETREQUEST,URL,token);
}
void initVolleyCallback(){
mResultCallback = new IResult() {
@Override
public void notifySuccess(String requestType,JSONObject response) {
Log.d("HELLL","hi1");
}
@Override
public void notifySuccess(String requestType, JSONArray response) {
PlantPhotoUser plantPhotoUser;
Log.d("HELLLL","hi");
for (int i=0; i < response.length(); i++) {
try {
JSONObject object = response.getJSONObject(i);
Log.d("objeto",object.toString());
int userId = object.getInt("userId");
Log.d("objeto",String.valueOf(userId));
String username = object.getJSONObject("user").getString("username");
Log.d("objeto",String.valueOf(username));
int plantId = object.getInt("plantId");
Log.d("objeto",String.valueOf(plantId));
String specie = object.getJSONObject("plant").getString("specie");
Log.d("objeto",String.valueOf(specie));
String path = object.getString("image");
Log.d("objeto",String.valueOf(path));
int fotoId = object.getInt("id");
if(object.getString("date") != null){
date = object.getString("date");
}
if(object.getString("lat") != null){
lat = object.getString("lat");
}
if(object.getString("lon") != null){
lon = object.getString("lon");
}
if(object.getString("altitude") != null){
alt = object.getString("altitude");
}
plantPhotoUser = new PlantPhotoUser(fotoId,plantId,userId,path,specie,date,lat,lon,alt,username);
photos.add(plantPhotoUser);
} catch (JSONException e) {
e.printStackTrace();
}
}
plantFeedAdapter.notifyDataSetChanged();
}
@Override
public void notifyError(String requestType,VolleyError error) {
Log.d("FAIL",error.toString());
}
};
}
public String checkForToken() {
SharedPreferences sharedPref = getSharedPreferences("user", MODE_PRIVATE);
String tokenKey = getResources().getString(R.string.token);
String token = sharedPref.getString(getString(R.string.token), tokenKey); // take the token
return token;
}
@Override
public void onBackPressed() {
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
if (drawer.isDrawerOpen(GravityCompat.START)) {
drawer.closeDrawer(GravityCompat.START);
} else {
super.onBackPressed();
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
Intent i = new Intent(PlantFeed.this,UserProfile.class);
startActivity(i);
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.plant_feed, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
@SuppressWarnings("StatementWithEmptyBody")
@Override
public boolean onNavigationItemSelected(MenuItem item) {
// Handle navigation view item clicks here.
int id = item.getItemId();
if (id == R.id.nav_camera) {
Intent i = new Intent(PlantFeed.this,CameraCapture.class);
startActivity(i);
} else if (id == R.id.nav_gallery) {
Intent i = new Intent(PlantFeed.this,PlantFeed.class);
startActivity(i);
} else if (id == R.id.nav_slideshow) {
Intent i = new Intent(PlantFeed.this,FamilyLibrary.class);
startActivity(i);
} else if (id == R.id.nav_manage) {
} else if (id == R.id.nav_share) {
}
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
drawer.closeDrawer(GravityCompat.START);
return true;
}
@Override
public void onRowClick(int position, String name, int id, View view) {
}
@Override
public void onTitleClicked(int position, int id, View clickedview) {
Intent i = new Intent(this,PhotosForPlant.class);
i.putExtra("plantId",String.valueOf(id));
startActivity(i);
}
@Override
public void onImageClicked(int position, int id, View clickedview) {
Intent i = new Intent(this,PhotosForPlant.class);
i.putExtra("plantId",String.valueOf(id));
startActivity(i);
}
@Override
public void onReportClicked(int position, int id, String name, View clickedview) {
Log.d("HELLLO","HELLOO");
showDialogReport(id,name);
}
@Override
public void onUserIconClicked(int position, int id, View clickedview) {
Intent i = new Intent(this,UserProfile.class);
i.putExtra("userId",id);
startActivity(i);
}
@Override
public void onUsernameClicked(int position, int id, View clickedview) {
Intent i = new Intent(this,UserProfile.class);
i.putExtra("userId",id);
startActivity(i);
}
@Override
public void onAvaliationClicked(int position, int id, String name, View clickedview) {
}
任何提示?