1
私はこのような何かをするカードレイアウトでリサイクルビューを実装しています： 
カードレイアウトとリサイクルビュー常に同じサイズ
事は、私は完全な幅/高さのカードのレイアウトを得ることができないということであり、
どのように私は私が望む結果を得るために、私の例を適応させることができます、私はちょうどこのように低いカードレイアウトを取得しておきますか？
私はすでに、カードビューの内側にそれを貼り付けるためのすべての情報を持つアダプタを持っていますが、どういうわけか、レイアウトは常に奇妙です。ここで
は私mainLayoutのXMLです：
<?xml version="1.0" encoding="utf-8"?>
<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.v7.widget.RecyclerView
android:id="@+id/recycleView"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</android.support.v4.widget.DrawerLayout>
**and the row for the card layout:**
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:card_view="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<android.support.v7.widget.CardView
android:id="@+id/card_view"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_gravity="center"
android:layout_margin="@dimen/card_margin"
android:elevation="3dp"
card_view:cardCornerRadius="@dimen/card_specie_radius">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:id="@+id/userIcon"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_toEndOf="@+id/reportImg"
android:src="@drawable/ic_user" />
<TextView
android:id="@+id/Avaliation"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/plantName"
android:layout_marginStart="92dp"
android:layout_marginTop="15dp"
android:layout_toEndOf="@+id/dateTxt"
android:text="Avalie a fotografia" />
<TextView
android:id="@+id/dateTxt"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentEnd="true"
android:layout_marginEnd="29dp"
android:text="TextView" />
<ImageView
android:id="@+id/reportImg"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/color_cursor_white" />
<ImageView
android:id="@+id/plantPhoto"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentStart="true"
android:layout_alignParentTop="true"
android:layout_marginRight="16dp" />
<TextView
android:id="@+id/plantName"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_toRightOf="@+id/plantPhoto"
android:textColor="@color/nephritis"
android:textSize="20sp" />
<TextView
android:id="@+id/username"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_marginStart="11dp"
android:layout_toEndOf="@+id/userIcon" />
</RelativeLayout>
</android.support.v7.widget.CardView>
</LinearLayout>
アクティビティコード
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) {
Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
.setAction("Action", null).show();
}
});
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.LayoutManager layoutManager = new GridLayoutManager(getApplicationContext(),5);
recyclerView.setLayoutManager(layoutManager);
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) {
// 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) {
// Handle the camera action
} else if (id == R.id.nav_gallery) {
} else if (id == R.id.nav_slideshow) {
} 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) {
}
}
任意のヘルプ、してください？
は、あなたがあなたのCardViewが総screen-widthの1/5スペースを使用しています理由ですスパン数5であなたのRecyclerViewためGridLayoutManagerを使用している
は、あなたのアクティビティコードを投稿役立つことを願っています。 – FAT
doneこれを今すぐチェックしてください –