文件名称：UUID随机数字
文件大小：1.95MB
文件格式：RAR
更新时间：2018-08-02 10:48:43
UUID 随机数
利用UUID生成完全不重复的数字 package com.example.uuid; import java.util.UUID; import android.app.Activity; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.TextView; public class MainActivity extends Activity implements OnClickListener { private TextView tv; private Button button1; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); button1 = (Button) findViewById(R.id.button1); tv = (TextView) findViewById(R.id.tv); button1.setOnClickListener(this); UUID uuid = UUID.randomUUID(); tv.setText(uuid.toString()); } @Override public void onClick(View v) { UUID uuid = UUID.randomUUID(); tv.setText(uuid.toString()); } }
【文件预览】：
UUID随机数
----Screenshot_2015-07-13-15-34-19.png(52KB)
----uuid()
--------bin()
--------res()
--------proguard-project.txt(781B)
--------ic_launcher-web.png(50KB)
--------assets()
--------gen()
--------.settings()
--------src()
--------.project(840B)
--------.classpath(475B)
--------project.properties(563B)
--------AndroidManifest.xml(874B)
--------libs()
----Screenshot_2015-07-13-15-34-28.png(52KB)
----Screenshot_2015-07-13-15-34-24.png(53KB)
----Screenshot_2015-07-13-15-31-06.png(48KB)