Android_ 监听软键盘事件

布局文件

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity"
    android:orientation="vertical">
    <EditText
        android:imeOptions="actionSearch"
        android:id="@+id/edit_query"
        android:layout_width="match_parent"
        android:layout_height="60dp">
    </EditText>
</LinearLayout>

• 在输入框组件中添加android:imeOptions="actionSearch"属性；

监听软键盘

package com.lyarn.study;

import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.inputmethod.EditorInfo;
import android.widget.EditText;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        final EditText editText=findViewById(R.id.edit_query);
        editText.setOnEditorActionListener(new TextView.OnEditorActionListener() {
            @Override
            public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
                if (actionId== EditorInfo.IME_ACTION_SEARCH||actionId==EditorInfo.IME_ACTION_UNSPECIFIED){
                    //此处添加逻辑
                    return true;
                }
                return false;
            }
        });
    }
}