安卓EditText

xml

java

package com.example.android_01;

import androidx.appcompat.app.AppCompatActivity;

import android.media.Ringtone;
import android.os.Bundle;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.widget.EditText;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

    private static final String TAG = "事件";
    private EditText et;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        View but=findViewById(R.id.but);
        et=findViewById(R.id.et);
        but.setonClickListener(new View.onClickListener() {
            @Override
            public void onClick(View v) {
                String text=et.getText().toString();
                System.out.println(text);
            }
        });
    }
}