Android Studio中Edittext监听回车事件,捕获手机和扫描枪的Enter键的点击事件

Beatrice ·

更新时间:2024-11-10

· 803 次阅读

Android Studio监听回车事件,捕获手机和扫描枪的Enter键的点击事件

package com.example.mynewtest;
import android.content.Context;
import android.os.Bundle;
import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.Toolbar;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.View;
import android.view.inputmethod.EditorInfo;
import android.view.inputmethod.InputMethodManager;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
public class Login extends AppCompatActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.login);
        Toolbar toolbar = findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);
        Button button = (Button) findViewById(R.id.button);
        EditText editText = (EditText) findViewById(R.id.edittext);
        editText.setOnEditorActionListener(new TextView.OnEditorActionListener() {
            @Override
            public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
                if(actionId== EditorInfo.IME_ACTION_SEARCH) {
                    System.out.println("这里是监听扫码枪的回车事件");
                    return true;
                }
                if(event.getKeyCode()==KeyEvent.KEYCODE_ENTER&&v.getText()!=null&& event.getAction() == KeyEvent.ACTION_DOWN){
                    System.out.println("这里是监听手机的回车事件");
                }
                return true;
            }
        });
    }
}

作者：小禾兰

Android Studio 扫描枪 edittext studio 捕获事件 enter 手机 Android