比赛时,有时候记分不太方便,就自己边学边做,写了个极简单的“比赛简易计分器”程序。没有什么难度,把代码贴一下,大家自己看。
一、效果图
二、界面代码
<RelativeLayout 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" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity"> <LinearLayout android:orientation="vertical" android:layout_width="wrap_content" android:layout_height="match_parent" android:gravity="center|center_vertical" android:id="@+id/linearLayout" android:layout_toLeftOf="@+id/linearLayout3" android:layout_toStartOf="@+id/linearLayout3"> <Button style="?android:attr/buttonStyleSmall" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="+" android:id="@+id/button" android:textSize="40dp" android:textStyle="bold" android:layout_alignBottom="@+id/textView3" android:layout_toLeftOf="@+id/textView3" android:layout_toStartOf="@+id/textView3" android:onClick="ScoreAPlus" /> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="01" android:id="@+id/tvScoreA" android:textSize="80dp" android:layout_centerVertical="true" android:layout_toLeftOf="@+id/tvTo" android:layout_toStartOf="@+id/tvTo" android:textStyle="bold" /> <Button style="?android:attr/buttonStyleSmall" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="-" android:id="@+id/button3" android:layout_below="@+id/tvTo" android:layout_toLeftOf="@+id/textView4" android:layout_toStartOf="@+id/textView4" android:textStyle="bold" android:textSize="40dp" android:onClick="ScoreAMinus" /> </LinearLayout> <LinearLayout android:orientation="vertical" android:layout_width="wrap_content" android:layout_height="match_parent" android:gravity="center|center_vertical" android:id="@+id/linearLayout2" android:layout_toRightOf="@+id/linearLayout3" android:layout_toEndOf="@+id/linearLayout3"> <Button style="?android:attr/buttonStyleSmall" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="+" android:id="@+id/button2" android:layout_alignBottom="@+id/textView3" android:layout_alignLeft="@+id/tvScoreB" android:layout_alignStart="@+id/tvScoreB" android:textSize="40dp" android:textStyle="bold" android:onClick="ScoreBPlus" /> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="02" android:id="@+id/tvScoreB" android:textSize="80dp" android:layout_centerVertical="true" android:layout_toRightOf="@+id/textView4" android:layout_toEndOf="@+id/textView4" android:textStyle="bold" /> <Button style="?android:attr/buttonStyleSmall" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="-" android:id="@+id/button4" android:layout_below="@+id/tvTo" android:layout_alignLeft="@+id/tvScoreB" android:layout_alignStart="@+id/tvScoreB" android:textStyle="bold" android:textSize="40dp" android:onClick="ScoreBMinus" /> </LinearLayout> <LinearLayout android:orientation="vertical" android:layout_width="wrap_content" android:layout_height="match_parent" android:gravity="center|center_vertical" android:id="@+id/linearLayout3" android:layout_centerHorizontal="true"> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text=":" android:id="@+id/tvTo" android:textSize="80dp" android:shadowColor="#474b49" android:textColor="#d11612" android:textStyle="bold" android:layout_alignParentTop="true" android:layout_alignParentRight="true" android:layout_alignParentEnd="true" /> </LinearLayout> </RelativeLayout>
三、程序代码
package com.wallimn.iteye.ymq; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.KeyEvent; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.widget.TextView; import android.widget.Toast; public class MainActivity extends AppCompatActivity { private TextView scoreA; private TextView scoreB; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); scoreA = (TextView)this.findViewById(R.id.tvScoreA); scoreB = (TextView)this.findViewById(R.id.tvScoreB); scoreA.setText("00"); scoreB.setText("00"); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.menu_main, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { // Handle action bar item clicks here. The action bar will // automatically handle clicks on the Home/Up button, so long // as you specify a parent activity in AndroidManifest.xml. int id = item.getItemId(); //noinspection SimplifiableIfStatement if (id == R.id.action_settings) { return true; } return super.onOptionsItemSelected(item); } private void NumberAdjust(TextView tv,int deta){ String num = tv.getText().toString(); int number = Integer.parseInt(num); if(number+deta<0)return; tv.setText(String.format("%02d", number+deta)); } private long exitTime=0; @Override public boolean onKeyDown(int keyCode, KeyEvent event) { if(event.getAction()==KeyEvent.ACTION_DOWN && keyCode == KeyEvent.KEYCODE_BACK){ if(System.currentTimeMillis()-exitTime>5000){ Toast.makeText(this,"再按一次返回键程序!",Toast.LENGTH_LONG).show(); exitTime = System.currentTimeMillis(); } else{ this.finish(); System.exit(0); } return true; } return super.onKeyDown(keyCode, event); } public void ScoreAPlus(View source){ this.NumberAdjust(scoreA, 1); } public void ScoreAMinus(View source){ this.NumberAdjust(scoreA, -1); } public void ScoreBPlus(View source){ this.NumberAdjust(scoreB, 1); } public void ScoreBMinus(View source){ this.NumberAdjust(scoreB,-1); } }
apk程序下载,请猛戳附件(ymq-release.rar)。源码下载,请猛戳附件(ymq-src.rar)。
四、改进
改成横屏显示,看起来舒服一些,增加了菜单,带了重置、退出功能。