Android(安卓)计算器
16lz
2021-12-04
Android 计算器
开发环境：android stdio 3.6.1
最终效果：
竖屏：
横屏：
完整项目：百度网盘链接
密码 v89n
主要代码：
MainActivity.java:
package com.example.experience_two;import androidx.appcompat.app.AppCompatActivity;import android.content.Context;import android.content.pm.PermissionGroupInfo;import android.icu.util.VersionInfo;import android.os.Bundle;import android.util.DisplayMetrics;import android.util.Log;import android.util.TypedValue;import android.view.Gravity;import android.view.View;import android.view.Window;import android.view.WindowManager;import android.widget.Button;import android.widget.GridLayout;import android.widget.TextView;import java.math.BigDecimal;import java.net.CacheRequest;import java.sql.BatchUpdateException;import java.util.regex.Matcher;import java.util.regex.Pattern;public class MainActivity extends AppCompatActivity implements View.OnClickListener { private static final String TAG = "MainActivity"; private GridLayout mGridLauout; private TextView text,answer; private int colCount,rowCount; private int screenWidthDp,screenHeightDp,ScreenWidthPx,ScreenHeightPx,flag=0; float density; int fontMaxCount1=11; float fontSize1=60; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); getSupportActionBar().hide();//去掉标题栏 mGridLauout = (GridLayout) findViewById(R.id.GridLayout1); colCount = mGridLauout.getColumnCount();//按钮列数 rowCount = mGridLauout.getRowCount();//按钮行数 text=(TextView)findViewById(R.id.input_number); answer=(TextView)findViewById(R.id.out_number); text.setHorizontallyScrolling(true);//使text可以滑动 WindowManager wm = (WindowManager) this.getSystemService(Context.WINDOW_SERVICE); DisplayMetrics dm = new DisplayMetrics(); wm.getDefaultDisplay().getMetrics(dm); ScreenWidthPx = dm.widthPixels;// 屏幕宽度（像素） ScreenHeightPx= dm.heightPixels; // 屏幕高度（像素） density = dm.density;//屏幕密度（0.75 / 1.0 / 1.5） int densityDpi = dm.densityDpi;//屏幕密度dpi（120 / 160 / 240） //屏幕宽度算法:屏幕宽度（像素）/屏幕密度 screenWidthDp = (int) (ScreenWidthPx/density);//屏幕宽度(dp) screenHeightDp = (int)(ScreenHeightPx/density);//屏幕高度(dp) //设置按钮在下半屏幕内均匀分布 for (int i = 0; i < mGridLauout.getChildCount(); i++) { Button button = (Button) mGridLauout.getChildAt(i); Log.e(TAG, "column:" + colCount + "; screenwidth:" + ScreenWidthPx); button.setWidth(ScreenWidthPx / colCount); if(screenWidthDp<screenHeightDp){ flag=1; button.setHeight(ScreenHeightPx/ 2 / rowCount); }//竖屏时按钮部分占屏幕的二分是一 else{ button.setHeight(ScreenHeightPx/rowCount*2/3); }//横屏时按钮部分占屏幕的三分之二 button.setOnClickListener(this); }//为网格布局中的每个按钮注册监听器并动态设置大小 if(savedInstanceState!=null){ String s=savedInstanceState.getString("KEY"); String s1=savedInstanceState.getString("ANSWER"); text.setText(s); answer.setText(s1); }//恢复text和answer的数据 } @Override protected void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); outState.putString("KEY",text.getText().toString()); outState.putString("ANSWER",answer.getText().toString()); }//在旋转屏幕时保存text和answer中的数据 @Override public void onClick(View view) { answer=(TextView)findViewById(R.id.out_number); String input=text.getText().toString(); Button button=(Button)findViewById(view.getId()); String btn=button.getText().toString(); if(btn.charAt(0)>='0'&&btn.charAt(0)<='9'){ if(input.equals("0")||input.matches("^.*[+−×÷]+0$")==true){ text.setText(input.substring(0,input.length()-1)+btn); }//如果遇到以0打头的数字则先去掉0 else if(!input.matches("^.*[%)]$")){ text.setText(input+btn); }//如果text中为合法的式子则在末尾追加数字 answer.setText(Calculator.Calculate(text.getText().toString()));//每次输入数字之后更新一次计算结果 }//数字按钮 else if(btn.matches("[+−×÷]+")&&!input.equals("")){ if(input.matches("^.*[+−×÷.]+$")){ text.setText(input.substring(0,text.length()-1)+btn); }//如果以运算符结尾,则改变运算符 else{ text.setText(input+btn); }//如果不以运算符结尾则追加运算符 }//普通运算符 else if(btn.equals("C")){ text.setText(""); answer.setText(""); fontMaxCount1=11; fontSize1=60;//字符大小初始化 if(flag==1) text.setTextSize(TypedValue.COMPLEX_UNIT_SP,fontSize1); }//清0按钮 else if(!input.equals("")&&btn.equals("CE")){ String str=input.substring(0,input.length()-1); if(str.equals("")){ answer.setText(""); } else if(str.charAt(str.length()-1)>='0'&&str.charAt(str.length()-1)<='9'){ answer.setText(Calculator.Calculate(str)); }//每回退一次计算结果更新一次 text.setText(str); if(flag==1&&fontMaxCount1>11){ fontMaxCount1-=1; } else if(flag==1){ fontMaxCount1=11; fontSize1=60; text.setTextSize(TypedValue.COMPLEX_UNIT_SP,fontSize1); }//根据字符串长度动态调整字体大小 }//退格按钮 else if(btn.equals("%")){ if(input.matches("^.*[0-9%]+$")){ text.setText(input+btn); answer.setText(Calculator.Calculate(text.getText().toString())); }//只有数字或百分号之后才可以接百分号 }//百分号 else if(btn.equals(".")){ if(!input.matches("^.*[0-9][.]+[0-9]+$|^.*[+−×÷.%)]$")){ text.setText(input+btn); }//如果当前text最后一个数字含有小数点或以预算符结尾则加上小数点 }//小数点 else if(!input.equals("")&&btn.equals("+/−")){ if(input.matches("^.*\\(−[0-9.]+\\)$")){ String s1=input.substring(0,input.lastIndexOf("(−"))+input.substring(input.lastIndexOf("(−")+2,input.length()-1); text.setText(s1); answer.setText(Calculator.Calculate(s1)); }//复数变正数 else if(input.charAt(input.length()-1)>='0'&&input.charAt(input.length()-1)<='9'){ int i; for (i = input.length()-1; i >= 0; i--) { if (!(input.charAt(i) == '.' || input.charAt(i) >= '0' && input.charAt(i) <= '9')) { break; } } int len=input.length(); String s1=input.substring(0, i +1),s2=input.substring(i + 1,len ); text.setText(s1+ "(−" + s2+ ")"); answer.setText(Calculator.Calculate(text.getText().toString())); }//正数变复数 }//正负号转换 else if(btn.equals("=")){ fontMaxCount1=10; fontSize1=60; if(flag==1) text.setTextSize(TypedValue.COMPLEX_UNIT_SP,fontSize1); if(!answer.getText().toString().equals("")){ text.setText(answer.getText()); }//answer的结果转到text显示 answer.setText("");//answer清空 }//等号 else if(btn.equals("x²")){ if(!btn.matches("^.*[+−×÷]$")){ text.setText(input+"^2"); answer.setText(Calculator.Calculate(input+"^2")); } }//平方 else if(btn.equals("x³")){ if(!btn.matches("^.*[+−×÷]$")){ text.setText(input+"^3"); answer.setText(Calculator.Calculate(input+"^3")); } } else if(btn.equals("yˣ")){ if(!btn.matches("^.*[+−×÷]$")){ text.setText(input+"^"); } } else if(btn.equals("10ˣ")){ if(!btn.matches("^.*[+−×÷]$")){ System.out.println(input+"10^"); text.setText(input+"10^"); } else{ System.out.println(input+"×10^"); text.setText(input+"×10^"); } } else if(btn.equals("√")){ text.setText(input+"√"); }//开平方 else if(btn.equals("ˣ√y")){ text.setText(input+btn); } else if(btn.equals("ln")||btn.equals("lg")){ text.setText(input+btn+"("); } else if(btn.equals("Rad")){ button.setText("Deg"); } else if(btn.equals("Deg")){ button.setText("Rad"); } else if(btn.equals("x!")){ if(!btn.matches("^.*[+−×÷]$")){ text.setText(input+"!"); answer.setText(Calculator.Calculate(input+"!")); } }//阶乘 else if(btn.equals("EE")){ text.setText(input+"E"); } else if(btn.equals("eˣ")){ text.setText(input+"e^"); } else if(btn.equals("1/x")){ text.setText(input+"^-1"); } else if(btn.equals("(")){ text.setText(input+btn); } else if(btn.equals(")")){ input=input+btn; text.setText(input); answer.setText(Calculator.Calculate(input));//输入右括号之后也要更新answer } else if(btn.equals("sin")||btn.equals("cos")||btn.equals("tan")||btn.equals("sinh")||btn.equals("cosh")||btn.equals("tanh")){ text.setText(input+btn+"("); }//三角函数运算 else if(btn.equals("Rand")){ input=input+btn; text.setText(input); answer.setText(Calculator.Calculate(input)); }//随机数 else if(btn.equals("π")){ text.setText(input+Math.PI); } if(flag==1&&input.length()>fontMaxCount1){ fontMaxCount1=fontMaxCount1+1; fontSize1=40; text.setTextSize(TypedValue.COMPLEX_UNIT_SP,fontSize1);//根据字符串长度动态调整字符大小 } }//根据按钮的内容设置不同的响应函数}Calculator:
package com.example.experience_two;import android.support.v4.app.INotificationSideChannel;import java.util.Random;import java.util.regex.Matcher;import java.util.regex.Pattern;public class Calculator { public static String Calculate(String input){ while(input.matches("^.*\\(−?[0-9.]\\).*$")) { String reg = "\\((−?[0-9.])\\)"; Pattern p = Pattern.compile(reg); Matcher m = p.matcher(input); while(m.find()) { input=input.replace(m.group(0),m.group(1)); } } if(input.matches("^.*\\(.*\\).*$")){ String reg = "\\(([^()]*)\\)";//匹配最里边的括号 Pattern p = Pattern.compile(reg); Matcher m = p.matcher(input); while(m.find()) { input=input.replace(m.group(0),Calculate(m.group(1))); } } while(input.contains("!")){ String reg = "([0-9]+)!"; Pattern p=Pattern.compile(reg); Matcher m=p.matcher(input); while(m.find()) { String str=m.group(0),str1=m.group(1); int a=Integer.parseInt(str1); double b=1; for(int i=1;i<=a;i++){ b=b*i; } input = input.replace(str, b + ""); } } while(input.contains("sinh")) { System.out.println("sinh"); String reg = "sinh\\(?(−?[0-9.]+)"; Pattern p=Pattern.compile(reg); Matcher m=p.matcher(input); while(m.find()) { String str=m.group(0),str1=m.group(1); double a; if(str1.contains("−")){ a=-Double.parseDouble(str1.substring(1)); } else { a=Double.parseDouble(str1); } if(input.contains("+"+str)||input.contains("−"+str)||input.contains("×"+str)||input.contains("÷"+str)){ input = input.replace(str, Math.sinh(a) + ""); } else { input = input.replace(str,"×" + Math.sinh(a)); } } if(input.startsWith("×")){ input=input.substring(1); } input=input.replaceAll("-","−"); } while(input.contains("cosh")) { String reg = "cosh\\(?(−?[0-9.]+)"; Pattern p=Pattern.compile(reg); Matcher m=p.matcher(input); while(m.find()) { String str=m.group(0),str1=m.group(1); double a; if(str1.contains("−")){ a=-Double.parseDouble(str1.substring(1,str1.length())); } else { a=Double.parseDouble(str1); } if(input.contains("+"+str)||input.contains("−"+str)||input.contains("×"+str)||input.contains("÷"+str)){ input = input.replace(str, Math.cosh(a) + ""); } else { input = input.replace(str,"×" + Math.cosh(a)); } } if(input.startsWith("×")){ input=input.substring(1); } input=input.replaceAll("-","−"); } while(input.contains("tanh")) { System.out.println(input); String reg = "tanh\\(?(−?[0-9.]+)"; Pattern p=Pattern.compile(reg); Matcher m=p.matcher(input); while(m.find()) { String str=m.group(0),str1=m.group(1); double a; if(str1.contains("−")){ a=-Double.parseDouble(str1.substring(1)); } else { a=Double.parseDouble(str1); } if(input.contains("+"+str)||input.contains("−"+str)||input.contains("×"+str)||input.contains("÷"+str)){ input = input.replace(str, Math.tanh(a) + ""); } else { input = input.replace(str,"×" + Math.tanh(a)); } } if(input.startsWith("×")){ input=input.substring(1); } input=input.replaceAll("-","−"); } while(input.contains("sin")) { String reg = "sin\\(?(−?[0-9.]+)"; Pattern p=Pattern.compile(reg); Matcher m=p.matcher(input); while(m.find()) { String str=m.group(0),str1=m.group(1); double a; if(str1.contains("−")){ a=-Double.parseDouble(str1.substring(1)); } else { a=Double.parseDouble(str1); } if(input.contains("+"+str)||input.contains("−"+str)||input.contains("×"+str)||input.contains("÷"+str)){ input = input.replace(str, Math.sin(a) + ""); } else { input = input.replace(str,"×" + Math.sin(a)); } } if(input.startsWith("×")){ input=input.substring(1); } input=input.replaceAll("-","−"); } while(input.contains("cos")) { String reg = "cos\\(?(−?[0-9.]+)"; Pattern p=Pattern.compile(reg); Matcher m=p.matcher(input); while(m.find()) { String str=m.group(0),str1=m.group(1); double a; if(str1.contains("−")){ a=-Double.parseDouble(str1.substring(1)); } else { a=Double.parseDouble(str1); } if(input.contains("+"+str)||input.contains("−"+str)||input.contains("×"+str)||input.contains("÷"+str)){ input = input.replace(str, Math.cos(a) + ""); } else { input = input.replace(str,"×" + Math.cos(a)); } } if(input.startsWith("×")){ input=input.substring(1); } input=input.replaceAll("-","−"); } while(input.contains("tan")) { System.out.println("tan"); String reg = "tan\\(?(−?[0-9.]+)"; Pattern p=Pattern.compile(reg); Matcher m=p.matcher(input); while(m.find()) { String str=m.group(0),str1=m.group(1); double a; if(str1.contains("−")){ a=-Double.parseDouble(str1.substring(1)); } else { a=Double.parseDouble(str1); } if(input.contains("+"+str)||input.contains("−"+str)||input.contains("×"+str)||input.contains("÷"+str)){ input = input.replace(str, Math.tan(a) + ""); } else { input = input.replace(str,"×" + Math.tan(a)); } } if(input.startsWith("×")){ input=input.substring(1); } input=input.replaceAll("-","−"); } while(input.contains("ln")) { String reg = "ln\\(?(−?[0-9.]+)"; Pattern p=Pattern.compile(reg); Matcher m=p.matcher(input); while(m.find()) { String str=m.group(0),str1=m.group(1); double a; if(str1.contains("−")){ a=-Double.parseDouble(str1.substring(1)); } else { a=Double.parseDouble(str1); } if(input.contains("+"+str)||input.contains("−"+str)||input.contains("×"+str)||input.contains("÷"+str)){ input = input.replace(str, Math.log(a) + ""); } else { input = input.replace(str,"×" + Math.log(a)); } } if(input.startsWith("×")){ input=input.substring(1); } input=input.replaceAll("-","−"); } while(input.contains("lg")) { String reg = "lg\\(?(−?[0-9.]+)"; Pattern p=Pattern.compile(reg); Matcher m=p.matcher(input); while(m.find()) { String str=m.group(0),str1=m.group(1); double a; if(str1.contains("−")){ a=-Double.parseDouble(str1.substring(1)); } else { a=Double.parseDouble(str1); } if(input.contains("+"+str)||input.contains("−"+str)||input.contains("×"+str)||input.contains("÷"+str)){ input = input.replace(str, Math.log10(a) + ""); } else { input = input.replace(str,"×" + Math.log10(a)); } } if(input.startsWith("×")){ input=input.substring(1); } input=input.replaceAll("-","−"); } while(input.contains("e")) { String reg = "e\\^(−?[0-9.]+)"; Pattern p=Pattern.compile(reg); Matcher m=p.matcher(input); while(m.find()) { String str=m.group(0),str1=m.group(1); System.out.println(str1); double a; if(str1.contains("−")){ a=-Double.parseDouble(str1.substring(1)); } else { a=Double.parseDouble(str1); } b=Double.parseDouble(str2); } input=input.replace(m.group(1),Math.pow(a,b)+""); } input=input.replaceAll("-","−"); } while(input.contains("√")) { String reg = "√\\(?([0-9.]+)"; Pattern p=Pattern.compile(reg); Matcher m=p.matcher(input); while(m.find()) { String str=m.group(0),str1=m.group(1); double a; a=Double.parseDouble(str1); if(input.contains("+"+str)||input.contains("−"+str)||input.contains("×"+str)||input.contains("÷"+str)){ input = input.replace(str, Math.sqrt(a) + ""); } else { input = input.replace(str,"×" + Math.sqrt(a)); } } if(input.startsWith("×")){ input=input.substring(1); } input=input.replaceAll("-","−"); } while(input.contains("%")){ String reg = "((\\d*\\.*\\d+)%)"; Pattern p=Pattern.compile(reg); Matcher m = p.matcher(input); while(m.find()){ double a=0.01*Double.parseDouble(m.group(2)); input=input.replace(m.group(1),a+""); } } while(input.contains("×")||input.contains("÷")) { String reg = "((−?\\d*\\.*\\d+)[×÷](−?\\d*\\.*\\d+))"; Pattern p = Pattern.compile(reg); Matcher m = p.matcher(input); while (m.find()){ double a,b; String str=m.group(0),str1=m.group(2).toString(),str2=m.group(3).toString(); if(str1.contains("−")){ a=-Double.parseDouble(str1.substring(1,str1.length())); } else { a=Double.parseDouble(str1); } if(str2.contains("−")){ b=-Double.parseDouble(str2.substring(1,str2.length())); } else { b=Double.parseDouble(str2); } if (str.contains("×")){ input=input.replace(str,a*b+""); } else { if(Math.abs(b)<1e-5) {return "error";} input=input.replace(str,a/b+""); } } } if(input.contains("E")){ input="error"; } input=input.replace("-","−"); while(input.contains("+")||input.contains("−")){ if(input.matches("^−\\d*\\.*\\d+$")) { break; }; String reg = "((−?\\d*\\.*\\d+)[+−](−?\\d*\\.*\\d+))"; Pattern p = Pattern.compile(reg); Matcher m = p.matcher(input); while (m.find()){ double a,b; String str=m.group(0),str1=m.group(2).toString(),str2=m.group(3).toString(); if(str1.contains("−")){ a=-Double.parseDouble(str1.substring(1,str1.length())); } else { a=Double.parseDouble(str1); } if(str2.contains("−")){ b=-Double.parseDouble(str2.substring(1,str2.length())); } else { b=Double.parseDouble(str2); } if (str.contains("+")){ input=input.replace(str,a+b+""); } else { input=input.replace(str,a-b+""); } } input=input.replaceAll("-","−"); } if(!input.matches("−?\\d*\\.*\\d+")){ input="error!"; } if(input.matches("^.*\\.0$")){ int len=input.length(); input=input.substring(0,len-2); } return input; }}竖屏布局xml文件：
<?xml version="1.0" encoding="utf-8"?><androidx.constraintlayout.widget.ConstraintLayout 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:ignore="NewApi" android:theme="@android:style/Theme.Black.NoTitleBar" tools:context=".MainActivity"> <TextView android:id="@+id/input_number" android:layout_width="match_parent" android:layout_height="70dp" android:clickable="true" android:gravity="right" android:textColor="@color/button_one" android:textSize="60sp" app:layout_constraintBottom_toTopOf="@+id/out_number" app:layout_constraintEnd_toEndOf="parent" app:layout_constraintStart_toStartOf="parent" app:layout_constraintTop_toTopOf="parent" /> <TextView android:id="@+id/out_number" android:layout_width="match_parent" android:layout_height="50dp" android:clickable="true" android:gravity="right" android:textColor="#c0c0c0" android:textSize="40sp" app:layout_constraintBottom_toTopOf="@+id/GridLayout1" app:layout_constraintEnd_toEndOf="parent" app:layout_constraintStart_toStartOf="parent" app:layout_constraintTop_toTopOf="parent" app:layout_constraintVertical_bias="0.662" /> <GridLayout android:id="@+id/GridLayout1" android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal" android:columnCount="4" android:rowCount="5" app:layout_constraintBottom_toBottomOf="parent"> <Button android:id="@+id/number1" style="@style/btn_nomal_style" android:layout_row="3" android:layout_column="0" android:text="1" /> <Button android:id="@+id/number2" style="@style/btn_nomal_style" android:layout_row="3" android:layout_column="1" android:text="2" /> <Button android:id="@+id/number3" style="@style/btn_nomal_style" android:layout_row="3" android:layout_column="2" android:text="3" /> <Button android:id="@+id/number4" style="@style/btn_nomal_style" android:layout_row="2" android:layout_column="0" android:text="4" /> <Button android:id="@+id/number5" style="@style/btn_nomal_style" android:layout_row="2" android:layout_column="1" android:text="5" /> <Button android:id="@+id/number6" style="@style/btn_nomal_style" android:layout_row="2" android:layout_column="2" android:text="6" /> <Button android:id="@+id/number7" style="@style/btn_nomal_style" android:layout_row="1" android:layout_column="0" android:text="7" /> <Button android:id="@+id/number8" style="@style/btn_nomal_style" android:layout_row="1" android:layout_column="1" android:text="8" /> <Button android:id="@+id/number9" style="@style/btn_nomal_style" android:layout_row="1" android:layout_column="2" android:text="9" /> <Button android:id="@+id/number0" style="@style/btn_nomal_style" android:layout_row="4" android:layout_column="1" android:text="0" /> <Button android:id="@+id/clear" style="@style/btn_nomal_style" android:layout_row="0" android:layout_column="0" android:text="C" android:textColor="@color/button_one" /> <Button android:id="@+id/back" style="@style/btn_nomal_style" android:layout_row="0" android:layout_column="1" android:text="CE" android:textColor="@color/button_one" /> <Button android:id="@+id/add" style="@style/btn_nomal_style" android:layout_row="3" android:layout_column="3" android:text="+" android:textColor="@color/button_one" /> <Button android:id="@+id/min" style="@style/btn_nomal_style" android:layout_row="2" android:layout_column="3" android:text="−" android:textColor="@color/button_one" /> <Button android:id="@+id/mul" style="@style/btn_nomal_style" android:layout_row="1" android:layout_column="3" android:text="×" android:textColor="@color/button_one" /> <Button android:id="@+id/div" style="@style/btn_nomal_style" android:layout_row="0" android:layout_column="3" android:text="÷" android:textColor="@color/button_one" /> <Button android:id="@+id/dot" style="@style/btn_nomal_style" android:layout_row="4" android:layout_column="2" android:text="." /> <Button android:id="@+id/equal" style="@style/btn_nomal_style" android:layout_row="4" android:layout_column="3" android:text="=" android:textColor="@color/button_one" /> <Button android:id="@+id/symbol" style="@style/btn_nomal_style" android:layout_row="0" android:layout_column="2" android:text="+/−" android:textColor="@color/button_one" /> <Button android:id="@+id/percent" style="@style/btn_nomal_style" android:layout_row="4" android:layout_column="0" android:text="%" /> </GridLayout></androidx.constraintlayout.widget.ConstraintLayout>横屏布局xml文件：
<?xml version="1.0" encoding="utf-8"?><androidx.constraintlayout.widget.ConstraintLayout 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:ignore="NewApi" android:theme="@android:style/Theme.Black.NoTitleBar" tools:context=".MainActivity"> <TextView android:id="@+id/input_number" android:layout_width="match_parent" android:layout_height="57sp" android:clickable="true" android:gravity="right" android:textColor="@color/button_one" android:textSize="45sp" app:layout_constraintBottom_toTopOf="@+id/out_number" app:layout_constraintEnd_toEndOf="parent" app:layout_constraintStart_toStartOf="parent" app:layout_constraintTop_toTopOf="parent" /> <TextView android:id="@+id/out_number" android:layout_width="match_parent" android:layout_height="25sp" android:clickable="true" android:gravity="right" android:textColor="#c0c0c0" android:textSize="20sp" app:layout_constraintBottom_toTopOf="@+id/GridLayout1" app:layout_constraintEnd_toEndOf="parent" app:layout_constraintStart_toStartOf="parent" app:layout_constraintTop_toTopOf="parent" app:layout_constraintVertical_bias="0.90" /> <GridLayout android:id="@+id/GridLayout1" android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal" android:columnCount="8" android:rowCount="6" app:layout_constraintBottom_toBottomOf="parent"> <Button android:id="@+id/mc" style="@style/btn_nomal_style_land" android:layout_row="0" android:layout_column="4" android:text="mc" /> <Button android:id="@+id/madd" style="@style/btn_nomal_style_land" android:layout_row="0" android:layout_column="5" android:text="m+" /> <Button android:id="@+id/mmin" style="@style/btn_nomal_style_land" android:layout_row="0" android:layout_column="6" android:text="m−" /> <Button android:id="@+id/tenX" style="@style/btn_nomal_style_land" android:layout_row="0" android:layout_column="3" android:text="10ˣ" /> <Button android:id="@+id/yX" style="@style/btn_nomal_style_land" android:layout_row="1" android:layout_column="3" android:text="yˣ" /> <Button android:id="@+id/lg" style="@style/btn_nomal_style_land" android:layout_row="2" android:layout_column="3" android:text="lg" /> <Button android:id="@+id/ln" style="@style/btn_nomal_style_land" android:layout_row="3" android:layout_column="3" android:text="ln" /> <Button android:id="@+id/eX" style="@style/btn_nomal_style_land" android:layout_row="4" android:layout_column="3" android:text="eˣ" /> <Button android:id="@+id/right_bracket" style="@style/btn_nomal_style_land" android:layout_row="0" android:layout_column="2" android:text=")" /> <Button android:id="@+id/left_bracket" style="@style/btn_nomal_style_land" android:layout_row="0" android:layout_column="1" android:text="(" /> <Button android:id="@+id/twoND" style="@style/btn_nomal_style_land" android:layout_row="0" android:layout_column="0" android:text="2nd" /> <Button android:id="@+id/reciprocal" style="@style/btn_nomal_style_land" android:layout_row="1" android:layout_column="0" android:text="1/x" /> <Button android:id="@+id/factorial" style="@style/btn_nomal_style_land" android:layout_row="2" android:layout_column="0" android:text="x!" /> <Button android:id="@+id/sin" style="@style/btn_nomal_style_land" android:layout_row="3" android:layout_column="0" android:text="sin" /> <Button android:id="@+id/sinh" style="@style/btn_nomal_style_land" android:layout_row="4" android:layout_column="0" android:text="sinh" /> <Button android:id="@+id/rad" style="@style/btn_nomal_style_land" android:layout_row="5" android:layout_column="0" android:text="Rad" /> <Button android:id="@+id/square" style="@style/btn_nomal_style_land" android:layout_row="1" android:layout_column="1" android:text="x²" /> <Button android:id="@+id/sqrt" style="@style/btn_nomal_style_land" android:layout_row="2" android:layout_column="1" android:text="√" /> <Button android:id="@+id/cos" style="@style/btn_nomal_style_land" android:layout_row="3" android:layout_column="1" android:text="cos" /> <Button android:id="@+id/cosh" style="@style/btn_nomal_style_land" android:layout_row="4" android:layout_column="1" android:text="cosh" /> <Button android:id="@+id/pai" style="@style/btn_nomal_style_land" android:layout_row="5" android:layout_column="1" android:text="π" /> <Button android:id="@+id/cubic" style="@style/btn_nomal_style_land" android:layout_row="1" android:layout_column="2" android:text="x³" /> <Button android:id="@+id/Xy" style="@style/btn_nomal_style_land" android:layout_row="2" android:layout_column="2" android:text="ˣ√y" /> <Button android:id="@+id/tan" style="@style/btn_nomal_style_land" android:layout_row="3" android:layout_column="2" android:text="tan" /> <Button android:id="@+id/tanh" style="@style/btn_nomal_style_land" android:layout_row="4" android:layout_column="2" android:text="tanh" /> <Button android:id="@+id/EE" style="@style/btn_nomal_style_land" android:layout_row="5" android:layout_column="2" android:text="EE" /> <Button android:id="@+id/rand" style="@style/btn_nomal_style_land" android:layout_row="5" android:layout_column="3" android:text="Rand" /> <Button android:id="@+id/mmul" style="@style/btn_nomal_style_land" android:layout_row="0" android:layout_column="7" android:text="mr" /> <Button android:id="@+id/number1" style="@style/btn_nomal_style_land" android:layout_row="4" android:layout_column="4" android:text="1" /> <Button android:id="@+id/number2" style="@style/btn_nomal_style_land" android:layout_row="4" android:layout_column="5" android:text="2" /> <Button android:id="@+id/number3" style="@style/btn_nomal_style_land" android:layout_row="4" android:layout_column="6" android:text="3" /> <Button android:id="@+id/number4" style="@style/btn_nomal_style_land" android:layout_row="3" android:layout_column="4" android:text="4" /> <Button android:id="@+id/number5" style="@style/btn_nomal_style_land" android:layout_row="3" android:layout_column="5" android:text="5" /> <Button android:id="@+id/number6" style="@style/btn_nomal_style_land" android:layout_row="3" android:layout_column="6" android:text="6" /> <Button android:id="@+id/number7" style="@style/btn_nomal_style_land" android:layout_row="2" android:layout_column="4" android:text="7" /> <Button android:id="@+id/number8" style="@style/btn_nomal_style_land" android:layout_row="2" android:layout_column="5" android:text="8" /> <Button android:id="@+id/number9" style="@style/btn_nomal_style_land" android:layout_row="2" android:layout_column="6" android:text="9" /> <Button android:id="@+id/number0" style="@style/btn_nomal_style_land" android:layout_row="5" android:layout_column="5" android:text="0" /> <Button android:id="@+id/clear" style="@style/btn_nomal_style_land" android:layout_row="1" android:layout_column="4" android:text="C" android:textColor="@color/button_one" /> <Button android:id="@+id/back" style="@style/btn_nomal_style_land" android:layout_row="1" android:layout_column="5" android:text="CE" android:textColor="@color/button_one" /> <Button android:id="@+id/add" style="@style/btn_nomal_style_land" android:layout_row="4" android:layout_column="7" android:text="+" android:textColor="@color/button_one" /> <Button android:id="@+id/min" style="@style/btn_nomal_style_land" android:layout_row="3" android:layout_column="7" android:text="−" android:textColor="@color/button_one" /> <Button android:id="@+id/mul" style="@style/btn_nomal_style_land" android:layout_row="2" android:layout_column="7" android:text="×" android:textColor="@color/button_one" /> <Button android:id="@+id/div" style="@style/btn_nomal_style_land" android:layout_row="1" android:layout_column="7" android:text="÷" android:textColor="@color/button_one" /> <Button android:id="@+id/dot" style="@style/btn_nomal_style_land" android:layout_row="5" android:layout_column="6" android:text="." /> <Button android:id="@+id/equal" style="@style/btn_nomal_style_land" android:layout_row="5" android:layout_column="7" android:text="=" android:textColor="@color/button_one" /> <Button android:id="@+id/symbol" style="@style/btn_nomal_style_land" android:layout_row="1" android:layout_column="6" android:text="+/−" android:textColor="@color/button_one" /> <Button android:id="@+id/percent" style="@style/btn_nomal_style_land" android:layout_row="5" android:layout_column="4" android:text="%" /> </GridLayout></androidx.constraintlayout.widget.ConstraintLayout>更多相关文章
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