本文实例为大家分享了Android生成随机数的具体代码，供大家参考，具体内容如下

java文件

package com.example.my_xm_bw_luowei;import android.os.Bundle;import android.util.Log;import android.view.View;import android.widget.Button;import android.widget.EditText;import android.widget.TextView;import androidx.appcompat.app.AppCompatActivity;import java.util.Random;public class MainActivity extends AppCompatActivity { private Button bt1; private EditText et1; private EditText et2; private TextView tv; private int i=0; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); bt1 = (Button) findViewById(R.id.bt1); et2 = (EditText) findViewById(R.id.et2); tv = (TextView) findViewById(R.id.tv); bt1.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { i++; String trim2 = et2.getText().toString().trim(); String s = ""; Random ran =new Random(System.currentTimeMillis()); Log.d("aaa", "onClick: "+i); for (int i = 0 ; i <1; i++) { s = s + "\n" + ran.nextInt(Integer.parseInt(trim2)); } tv.setText(s+""); if (i==10){ tv.setText("直接让高金玉上 嘻嘻嘻"); } } }); }}

xml文件

<?xml version="1.0" encoding="utf-8"?><LinearLayout 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" tools:context=".MainActivity" android:orientation="vertical" > <Button android:text="高金玉" android:id="@+id/bt1" android:background="#ffffff" android:layout_width="wrap_content" android:layout_height="wrap_content"></Button> <EditText android:id="@+id/et2" android:hint="0-n" android:layout_width="match_parent" android:layout_height="wrap_content"></EditText> <TextView android:textColor="#DD0D0D" android:textSize="50dp" android:id="@+id/tv" android:text="0" android:layout_width="wrap_content" android:layout_height="wrap_content"></TextView></LinearLayout>

效果图片

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。