手机打字测速软件简版

最新推荐文章于 2021-08-03 01:59:58 发布

原创最新推荐文章于 2021-08-03 01:59:58 发布 · 2k 阅读

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CC 4.0 BY-SA版权

本文介绍了一款基于Android平台的简易打字速度测试应用程序。该应用通过不断更新显示字符并记录用户输入来评估用户的打字速度。文章分享了完整的源代码，并邀请读者提出改进意见。

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写了个测速软件，有什么不足的地方还望指教，我是个菜鸟

package com.example.typespeed;

import java.util.Random;

import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.app.Activity;
import android.text.Editable;
import android.text.TextWatcher;
import android.util.Log;
import android.view.Menu;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends Activity{

   public static int time = 60;
   private TextView textShow;
   private TextView timeShow;
   private int scoreChar = 0;
   private EditText inPut;
   char[] c = {'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q',
           'r','s','t','u','v','w','x','y','z'};
   private Random random = new Random();
   private int i = 0;

   private Handler handler = new Handler(){
       public void handleMessage(Message msg) {

           int t = msg.what;
           timeShow.setText(t+"");
           if (t==0) {
               score();
           }
       }
   };
   private Runnable runnable = new Runnable() {
       public void run() {
           time--;
           if (time>=0) {
               handler.postDelayed(runnable, 1000);
           }else {
               return;
           }
           Message message = new Message();
           message.what = time;
           handler.sendMessage(message);
       }
   };

   @Override
   protected void onCreate(Bundle savedInstanceState) {

       super.onCreate(savedInstanceState);
       setContentView(R.layout.activity_main);

       textShow = (TextView)this.findViewById(R.id.textShow);
       inPut = (EditText)this.findViewById(R.id.edText);
       timeShow = (TextView)findViewById(R.id.timeShow);

       timeShow.setText(60+"");
       i = random.nextInt(25);
       textShow.setText(c[i]+"");
   }


   //计算得分
   public void score(){
       double scores = scoreChar/60;
       Toast.makeText(this, "您的得分是："+scoreChar, Toast.LENGTH_LONG).show();
   }
   int ac = 0;
   @Override
   protected void onResume() {
       // TODO Auto-generated method stub
       super.onResume();
       time = 60;
       inPut.addTextChangedListener(new TextWatcher() {

           @Override
           public void onTextChanged(CharSequence s, int start, int before, int count) {


               String tString = textShow.getText()+"";

               if (/*tString.equals(inPut.getText()+"")*/
                       inPut.getText().length()>=1) {
                   i = random.nextInt(25);
                   textShow.setText(c[i]+"");
                   if (tString.equals(inPut.getText()+"")) {
                       scoreChar++;
                   }
                   inPut.setText("");
               }
           }

           @Override
           public void beforeTextChanged(CharSequence s, int start, int count,
                   int after) {
               //启动线程计时

               if (ac == 0) {
                   handler.post(runnable);
                   time = 60;
                   Log.i("jinchengyunxing", time+"|");
                   ac++;
               }

           }

           @Override
           public void afterTextChanged(Editable s) {
               // TODO Auto-generated method stub
               /*if (inPut.getText()!=null) {
                   inPut.setText("");
               }*/
           }
       });
   }



   @Override
   protected void onPause() {
       // TODO Auto-generated method stub
       super.onPause();
       Log.v("ddd", "onPause");
       time = -1;
   }

   @Override
   protected void onStop() {
       // TODO Auto-generated method stub
       super.onStop();
       Log.v("ddd", "onStop");
       time = -1;
   }

   public boolean onCreateOptionsMenu(Menu menu) {
       // Inflate the menu; this adds items to the action bar if it is present.
       getMenuInflater().inflate(R.menu.main, menu);
       return true;
   }

}