AndroidAutoCompleteTextView实现自动补全

郑州app开发Android AutoCompleteTextView实现自动补全。

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activity_main.xml

{androidx.constraintlayout.widget.ConstraintLayout 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:orientation="horizontal"

tools:context=".MainActivity" }

    {AutoCompleteTextView

            android:id="@+id/actv_text"

            android:layout_width="0dp"

            android:layout_height="wrap_content"

            android:hint="请输入内容"

            android:completionThreshold="1"

            app:layout_constraintbottom_tobottomOf="parent"

            app:layout_constraintEnd_toEndOf="parent"

            app:layout_constraintStart_toStartOf="parent"

            app:layout_constraintTop_toTopOf="parent" /}

{/androidx.constraintlayout.widget.ConstraintLayout}

item.xml

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:textColor="@android:color/black">

MainActivity.java

package cn.xhhkj.videoview;

import androidx.appcompat.app.AppCompatActivity;

import androidx.fragment.app.Fragment;

import androidx.fragment.app.FragmentManager;

import android.app.FragmentTransaction;

import android.media.Mediaplayer;

import android.os.bundle;

import android.util.Log;

import android.view.Menu;

import android.view.View;

import android.widget.ArrayAdapter;

import android.widget.AutoCompleteTextView;

import android.widget.Imagebutton;

import android.widget.MediaController;

import android.widget.Toast;

import android.widget.VideoView;

public class MainActivity extends AppCompatActivity {

    private static final String TAG = "结果是";

    private String[] names = {"laowang","laozhang","laoli","xiaowang","xiaozhang","xiaoli"};

    @Override

    protected void onCreate(bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        AutoCompleteTextView actv =findViewbyId(R.id.actv_text);

        ArrayAdapter adapter =new ArrayAdapter(getApplicationContext(),R.layout.item, names);

        actv.setAdapter(adapter);

    }

}