android - 可扩展布局向上扩展而不是向下扩展
问题描述
当我尝试将我的可扩展布局放在卡片视图的底部时，
android:layout_gravity="bottom"它会移到底部但向上扩展
我从 arraylist 获取数据，将其传递给recyclerview，cardview
我不知道这是因为适配器动画设置还是只是因为 xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 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:layout_width="match_parent"
android:layout_height="match_parent"
android:animateLayoutChanges="true"
android:orientation="vertical">
<android.support.v7.widget.CardView
android:layout_gravity="top"
android:id="@+id/cardview"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_marginEnd="8dp"
android:layout_marginBottom="551dp"
android:animateLayoutChanges="true"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<LinearLayout
android:id="@+id/holderimg"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="15dp"
android:layout_marginBottom="15dp"
android:orientation="horizontal">
<ImageView
android:id="@+id/imageView5"
android:layout_width="68dp"
android:layout_height="62dp"
android:layout_marginLeft="20dp"
android:layout_marginTop="10dp"
app:srcCompat="@drawable/s1960678" />
<TextView
android:id="@+id/nameArray"
android:layout_width="250dp"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_marginLeft="10dp"
android:fontFamily="serif"
android:includeFontPadding="false"
android:text="TextView"
android:textSize="14sp"
android:textStyle="bold" />
<RelativeLayout
android:id="@+id/button"
android:layout_width="48dp"
android:layout_height="48dp"
android:layout_alignParentRight="true"
android:layout_gravity="right"
android:layout_marginTop="30dp"
android:layout_marginRight="10dp"
android:background="@drawable/ic_arrow_drop_down_black_24dp"
android:foregroundGravity="right"
android:gravity="right|center_horizontal"
android:orientation="vertical">
<View
android:id="@+id/view2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true" />
</RelativeLayout>
</LinearLayout>
</LinearLayout>
<com.github.aakira.expandablelayout.ExpandableLinearLayout
android:id="@+id/expandableLayout"
android:layout_width="match_parent"
android:layout_height="72dp"
android:layout_alignParentBottom="true"
android:layout_gravity="bottom"
android:foregroundGravity="bottom"
android:gravity="top"
android:orientation="vertical"
app:ael_duration="400"
app:ael_expanded="false">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal">
<Button
android:id="@+id/button3"
android:layout_width="199dp"
android:layout_height="wrap_content"
android:text="Button"
tools:text="Download .PDF" />
<Button
android:id="@+id/button5"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Button"
tools:text="View PDF" />
</LinearLayout>
</com.github.aakira.expandablelayout.ExpandableLinearLayout>
</android.support.v7.widget.CardView>
</RelativeLayout>
这是它从中获取数据的活动，它的xml只有recyclerview
package com.example.imc.PDF;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.webkit.WebView;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
import com.android.volley.Request;
import com.android.volley.RequestQueue;
import com.android.volley.Response;
import com.android.volley.VolleyError;
import com.android.volley.toolbox.JsonObjectRequest;
import com.example.imc.MainAdapter;
import com.example.imc.MySingleton;
import com.example.imc.R;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.util.ArrayList;
import java.util.List;
public class Resultsdwldview extends AppCompatActivity {
public RequestQueue requestQueue;
TextView MedicalText,PhoneText,AddressText,EmailText,result,resultArray;
EditText id;
Button getidbtn;
List<ArrayList<String>> Tests = new ArrayList<>();
ArrayList<String> urlArray = new ArrayList<String>();
ArrayList<String> nameArray = new ArrayList<String>();
ArrayList<String> IdfromjsonArray = new ArrayList<String>();
ArrayList<String> Patient_ID_Array = new ArrayList<String>();
RecyclerView mRecyclerView;
RecyclerView.LayoutManager mLayoutManager;
RecyclerView.Adapter mAdapter;
WebView webView;
String PDFurl;
String idvalue;
String url = "https://docs.google.com/viewer?url=http://www.adobe.com/devnet/acrobat/pdfs/pdf_open_parameters.pdf";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_resultsdwldview);
MedicalText = findViewById(R.id.MedicalText);
PhoneText = findViewById(R.id.PhoneText);
AddressText = findViewById(R.id.AddressText);
EmailText = findViewById(R.id.EmailText);
// webView = findViewById(R.id.webview); //WEBVIEW
// webView.requestFocus();
// webView.getSettings().setJavaScriptEnabled(true);
// webView.loadUrl(url);
mRecyclerView = findViewById(R.id.recyvlerView);
// id = findViewById(R.id.getid);
// getidbtn =(Button) findViewById(R.id.send);
mLayoutManager = new LinearLayoutManager(this);
jsonParse();
/*
getidbtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
//idvalue = id.getEditableText().toString();
jsonParse();
}
});*/
}
public void jsonParse() {
String URL="http://ashaaban-001-site1.btempurl.com/api/patients/"+4;
//String URL="http://ashaaban-001-site1.btempurl.com/api/patients/"+idvalue;
JsonObjectRequest jsonObjectRequest = new JsonObjectRequest(Request.Method.GET, URL, null, new Response.Listener<JSONObject>() {
@Override
public void onResponse(JSONObject response) {
try {
JSONArray jsonArray = response.getJSONArray("Tests");
for (int i = 0; i < jsonArray.length(); i++) {
JSONObject arraydata = jsonArray.getJSONObject(i);
// Tests.add(jsonObject.getString(String.valueOf(i)));
String urlName = arraydata.getString("urlName");
String Name =arraydata.getString("Name");
String Idfromjson =arraydata.getString("Id");
String P_ID_Array =arraydata.getString("patients_Id");
urlArray.add(urlName);
nameArray.add(Name);
IdfromjsonArray.add(Idfromjson);
Patient_ID_Array.add(P_ID_Array);
Tests.add(urlArray);
Tests.add(nameArray);
Tests.add(IdfromjsonArray);
Tests.add(Patient_ID_Array);
// resultArray.append("urlName = " +urlName+" \n\n Name"+Name);
}
//resultArray.append(Tests+" , \n ");
// mRecyclerView.setHasFixedSize(true);
} catch (JSONException e) {
e.printStackTrace();
}
try {
Integer P_MedicalNumber = response.getInt("MedicalNumber");
Integer P_id = response.getInt("Id");
String P_Username = response.getString("UserName");
Integer P_PhoneNumber = response.getInt("phoneNumber");
String P_Address = response.getString("Address");
String P_Email = response.getString("Email");
//result.append("Medical Number : "+P_MedicalNumber+" \n id :"+P_id+"UserName"+P_Username);
} catch (JSONException e) {
e.printStackTrace();
}
mAdapter = new MainAdapter(Tests,nameArray);
mRecyclerView.setLayoutManager(mLayoutManager);
mRecyclerView.setHasFixedSize(true);
mRecyclerView.setAdapter(mAdapter);
mAdapter.notifyItemRangeInserted(0, Tests.size());
// webView.loadUrl(PDFurl);
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
Toast.makeText(getApplicationContext(),"error",Toast.LENGTH_SHORT).show();
}
});
// requestQueue.add(request);
MySingleton.getInstance(Resultsdwldview.this).addToReqeustQueue(jsonObjectRequest);
}
}
解决方案
适配器
package com.example.imc;
import android.animation.ObjectAnimator;
import android.content.ClipData;
import android.content.Context;
import android.support.annotation.NonNull;
import android.support.v7.widget.RecyclerView;
import android.util.SparseBooleanArray;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.RelativeLayout;
import android.widget.TextView;
import com.github.aakira.expandablelayout.ExpandableLayout;
import com.github.aakira.expandablelayout.ExpandableLayoutListenerAdapter;
import com.github.aakira.expandablelayout.ExpandableLinearLayout;
import com.github.aakira.expandablelayout.Utils;
import java.util.ArrayList;
import java.util.List;
public class MainAdapter extends RecyclerView.Adapter<MainAdapter.ViewHolder> {
List<ArrayList<String>> Tests;
ArrayList<String> urlArray;
ArrayList<String> nameArray;
ArrayList<String> IdfromjsonArray ;
ArrayList<String> Patient_ID_Array;
SparseBooleanArray expandState =new SparseBooleanArray();
public MainAdapter(List<ArrayList<String>> tests, ArrayList<String> urlArray, ArrayList<String> nameArray,
ArrayList<String> idfromjsonArray, ArrayList<String> patient_ID_Array) {
Tests = tests;
this.urlArray = urlArray;
this.nameArray = nameArray;
IdfromjsonArray = idfromjsonArray;
Patient_ID_Array = patient_ID_Array;
}
public MainAdapter(List<ArrayList<String>> tests, ArrayList<String> nameArray) {
Tests = tests;
this.nameArray = nameArray;
}
@NonNull
@Override
//Initialize the viewholder
public MainAdapter.ViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
View view = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.row,viewGroup,false);
return new ViewHolder(view);
}
/***************////////////////onBind Holds values to pass it to the viewholder///////////////////*******************
/***************////////////////
// This method is called for each ViewHolder to
// bind it to the adapter
// . This is where we will// pass our data to our ViewHolder///////////////////*******************
@Override
public void onBindViewHolder(@NonNull final MainAdapter.ViewHolder holder, final int i) {
// holder.URLName.setText( urlArray.get(i));
holder.mFullname.setText( nameArray.get(i));
holder.expandableLayout.setInRecyclerView(true);
holder.expandableLayout.setExpanded(expandState.get(i));
holder.expandableLayout.setListener(new ExpandableLayoutListenerAdapter() {
@Override
public void onPreOpen() {
changeRotate(holder.button,180f,0f).start();
expandState.put(i,true);
}
@Override
public void onPreClose() {
changeRotate(holder.button,0f,180f).start();
expandState.put(i,false);
}
});
holder.button.setRotation(expandState.get(i)?0f:180f);
holder.button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
//Expandable child item
holder.expandableLayout.toggle();
}
});
}
private ObjectAnimator changeRotate(RelativeLayout button, float to, float from) {
ObjectAnimator animator = ObjectAnimator.ofFloat(button,"rotation",from,to);
animator.setDuration(200);
animator.setInterpolator(Utils.createInterpolator(Utils.LINEAR_INTERPOLATOR));
return animator;
}
@Override
public int getItemCount() {
return nameArray.size();
}
/***************////////////////VIEWHOLDER///////////////////*******************
public class ViewHolder extends RecyclerView.ViewHolder {
// public TextView URLName;
public TextView mFullname;
public RelativeLayout button;
public ExpandableLinearLayout expandableLayout;
public ViewHolder(@NonNull View itemView) {
super(itemView);
mFullname=itemView.findViewById(R.id.nameArray);
//URLName=itemView.findViewById(R.id.URLName);
button=itemView.findViewById(R.id.button);
expandableLayout=itemView.findViewById(R.id.expandableLayout);
}
}
}
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