如何解决错误:错误膨胀类androidx.appcompat.widget.SearchView
希望你们一切都好。我正在使用SearchView从Firebase Relatime数据库Medicines Info db搜索数据的Android应用程序上工作 在打开包含SearchView的活动后,应用程序崩溃,在调试后,我得到了以下提示:
E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.projetfe,PID: 26491
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.projetfe/com.example.projetfe.MedicamentActivity}: android.view.InflateException: Binary XML file line #27: Binary XML file line #27: Error inflating class androidx.appcompat.widget.SearchView
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3114)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3257)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:78)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1948)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loop(Looper.java:214)
at android.app.ActivityThread.main(ActivityThread.java:7050)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:494)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:965)
Caused by: android.view.InflateException: Binary XML file line #27: Binary XML file line #27: Error inflating class androidx.appcompat.widget.SearchView
Caused by: android.view.InflateException: Binary XML file line #27: Error inflating class androidx.appcompat.widget.SearchView
Caused by: java.lang.reflect.InvocationTargetException
at java.lang.reflect.Constructor.newInstance0(Native Method)
at java.lang.reflect.Constructor.newInstance(Constructor.java:343)
at android.view.LayoutInflater.createView(LayoutInflater.java:647)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:790)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:730)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:863)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:824)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:866)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:824)
at android.view.LayoutInflater.inflate(LayoutInflater.java:515)
at android.view.LayoutInflater.inflate(LayoutInflater.java:423)
at android.view.LayoutInflater.inflate(LayoutInflater.java:374)
at androidx.appcompat.app.AppCompatDelegateImpl.setContentView(AppCompatDelegateImpl.java:555)
at androidx.appcompat.app.AppCompatActivity.setContentView(AppCompatActivity.java:161)
at com.example.projetfe.MedicamentActivity.onCreate(MedicamentActivity.java:26)
at android.app.Activity.performCreate(Activity.java:7327)
at android.app.Activity.performCreate(Activity.java:7318)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1271)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3094)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3257)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:78)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1948)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loop(Looper.java:214)
at android.app.ActivityThread.main(ActivityThread.java:7050)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:494)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:965)
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.view.View.setBackground(android.graphics.drawable.Drawable)' on a null object reference
at androidx.core.view.ViewCompat.setBackground(ViewCompat.java:2560)
at androidx.appcompat.widget.SearchView.<init>(SearchView.java:300)
at androidx.appcompat.widget.SearchView.<init>(SearchView.java:271)
... 30 more
我不知道我做错了什么。所以我要你的帮助。 我的主要药物课是:
package com.example.projetfe;
import android.os.Bundle;
import android.widget.Toast;
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.SearchView;
import androidx.recyclerview.widget.RecyclerView;
import com.google.firebase.database.DataSnapshot;
import com.google.firebase.database.DatabaseError;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.google.firebase.database.ValueEventListener;
import java.util.ArrayList;
public class MedicamentActivity extends AppCompatActivity {
RecyclerView recyclerView1;
SearchView searchView1;
myadapter myadapter;
DatabaseReference ref;
ArrayList<model> list;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.medicaments);
ref = FirebaseDatabase.getInstance().getReference().child("1").child("data");
recyclerView1 = findViewById(R.id.recyclerview1);
searchView1 = findViewById(R.id.recyclerview1);
}
@Override
protected void onStart() {
super.onStart();
if (ref != null)
{
ref.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(@NonNull DataSnapshot snapshot) {
if (snapshot.exists())
{
list = new ArrayList<>();
for(DataSnapshot ds : snapshot.getChildren())
{
list.add(ds.getValue(model.class));
}
myadapter myadapter = new myadapter(list);
recyclerView1.setAdapter(myadapter);
}
}
@Override
public void onCancelled(@NonNull DatabaseError error) {
Toast.makeText(MedicamentActivity.this,error.getMessage(),Toast.LENGTH_SHORT).show();
}
});
}
if (searchView1 != null)
{
searchView1.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
@Override
public boolean onQueryTextSubmit(String s) {
return false;
}
@Override
public boolean onQueryTextChange(String s) {
search (s);
return true;
}
});
}
}
private void search(String str)
{
ArrayList<model> myList = new ArrayList<>();
for(model object : list)
{
if(object.getNOM_DE_MARQUE().toLowerCase().contains(str.toLowerCase()))
{
myList.add(object);
}
}
myadapter myadapter = new myadapter(myList);
recyclerView1.setAdapter(myadapter);
}
}
其布局xml文件:
<?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:background="@drawable/drugs"
tools:context=".MedicamentActivity">
<LinearLayout
android:id="@+id/text1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#E6B0AA">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center_horizontal"
android:text="txt"
android:textColor="#E74C3C"
android:textSize="15dp"
android:textStyle="bold"></TextView>
</LinearLayout>
<androidx.appcompat.widget.SearchView
android:id="@+id/searchview1"
android:layout_width="match_parent"
android:layout_height="50dp"
android:layout_below="@id/text1"
android:background="@color/white"
app:queryHint="cherchez" />
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/recyclerview1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="90dp"
app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager" />
</RelativeLayout>
我的适配器:
package com.example.projetfe;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import androidx.annotation.NonNull;
import androidx.recyclerview.widget.RecyclerView;
import java.util.ArrayList;
public class myadapter extends RecyclerView.Adapter<myadapter.MyViewHolder>
{
ArrayList<model> list;
public myadapter(ArrayList<model> list)
{
this.list = list;
}
@NonNull
@Override
public MyViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup,int viewType) {
View view = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.singlerow,viewGroup,false);
return new MyViewHolder(view);
}
@Override
public void onBindViewHolder(@NonNull MyViewHolder holder,int position) {
holder.nom.setText(list.get(position).getNOM_DE_MARQUE());
holder.dosage.setText(list.get(position).getDOSAGE());
holder.forme.setText(list.get(position).getFORME());
holder.pays.setText(list.get(position).getPAYS_DU_LABORATOIRE_DETENTEUR_DE_LA_DECISION_DENREGISTREMENT());
holder.remboursement.setText(list.get(position).getREMBOURSEMENT());
}
@Override
public int getItemCount() {
return list.size();
}
class MyViewHolder extends RecyclerView.ViewHolder {
TextView nom,forme,dosage,pays,remboursement;
public MyViewHolder(@NonNull View itemView) {
super(itemView);
nom = itemView.findViewById(R.id.nametext);
forme = itemView.findViewById(R.id.formetext);
dosage = itemView.findViewById(R.id.dosagetext);
pays = itemView.findViewById(R.id.paystext);
remboursement = itemView.findViewById(R.id.rembtext);
}
}
解决方法
您需要将项目迁移到LastCompoundInterval = Range("B" & Rows.Count).End(xlUp).Row
Range("F2:F" & LastCompoundInterval).Formula = "=TEXT(SUMIFS($I$2:$I$" & LastTransaction & ",$H$2:$H$" & LastTransaction & ","">"" & B2,""<="" & C2),""[<=9999999]###,####;###,###,####"")"
。在how to migrate to androidX
这也有帮助
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