finish!
14
.gitignore
vendored
Normal file
@@ -0,0 +1,14 @@
|
||||
*.iml
|
||||
.gradle
|
||||
/local.properties
|
||||
/.idea/caches
|
||||
/.idea/libraries
|
||||
/.idea/modules.xml
|
||||
/.idea/workspace.xml
|
||||
/.idea/navEditor.xml
|
||||
/.idea/assetWizardSettings.xml
|
||||
.DS_Store
|
||||
/build
|
||||
/captures
|
||||
.externalNativeBuild
|
||||
.cxx
|
||||
116
.idea/codeStyles/Project.xml
generated
Normal file
@@ -0,0 +1,116 @@
|
||||
<component name="ProjectCodeStyleConfiguration">
|
||||
<code_scheme name="Project" version="173">
|
||||
<codeStyleSettings language="XML">
|
||||
<indentOptions>
|
||||
<option name="CONTINUATION_INDENT_SIZE" value="4" />
|
||||
</indentOptions>
|
||||
<arrangement>
|
||||
<rules>
|
||||
<section>
|
||||
<rule>
|
||||
<match>
|
||||
<AND>
|
||||
<NAME>xmlns:android</NAME>
|
||||
<XML_ATTRIBUTE />
|
||||
<XML_NAMESPACE>^$</XML_NAMESPACE>
|
||||
</AND>
|
||||
</match>
|
||||
</rule>
|
||||
</section>
|
||||
<section>
|
||||
<rule>
|
||||
<match>
|
||||
<AND>
|
||||
<NAME>xmlns:.*</NAME>
|
||||
<XML_ATTRIBUTE />
|
||||
<XML_NAMESPACE>^$</XML_NAMESPACE>
|
||||
</AND>
|
||||
</match>
|
||||
<order>BY_NAME</order>
|
||||
</rule>
|
||||
</section>
|
||||
<section>
|
||||
<rule>
|
||||
<match>
|
||||
<AND>
|
||||
<NAME>.*:id</NAME>
|
||||
<XML_ATTRIBUTE />
|
||||
<XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
|
||||
</AND>
|
||||
</match>
|
||||
</rule>
|
||||
</section>
|
||||
<section>
|
||||
<rule>
|
||||
<match>
|
||||
<AND>
|
||||
<NAME>.*:name</NAME>
|
||||
<XML_ATTRIBUTE />
|
||||
<XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
|
||||
</AND>
|
||||
</match>
|
||||
</rule>
|
||||
</section>
|
||||
<section>
|
||||
<rule>
|
||||
<match>
|
||||
<AND>
|
||||
<NAME>name</NAME>
|
||||
<XML_ATTRIBUTE />
|
||||
<XML_NAMESPACE>^$</XML_NAMESPACE>
|
||||
</AND>
|
||||
</match>
|
||||
</rule>
|
||||
</section>
|
||||
<section>
|
||||
<rule>
|
||||
<match>
|
||||
<AND>
|
||||
<NAME>style</NAME>
|
||||
<XML_ATTRIBUTE />
|
||||
<XML_NAMESPACE>^$</XML_NAMESPACE>
|
||||
</AND>
|
||||
</match>
|
||||
</rule>
|
||||
</section>
|
||||
<section>
|
||||
<rule>
|
||||
<match>
|
||||
<AND>
|
||||
<NAME>.*</NAME>
|
||||
<XML_ATTRIBUTE />
|
||||
<XML_NAMESPACE>^$</XML_NAMESPACE>
|
||||
</AND>
|
||||
</match>
|
||||
<order>BY_NAME</order>
|
||||
</rule>
|
||||
</section>
|
||||
<section>
|
||||
<rule>
|
||||
<match>
|
||||
<AND>
|
||||
<NAME>.*</NAME>
|
||||
<XML_ATTRIBUTE />
|
||||
<XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
|
||||
</AND>
|
||||
</match>
|
||||
<order>ANDROID_ATTRIBUTE_ORDER</order>
|
||||
</rule>
|
||||
</section>
|
||||
<section>
|
||||
<rule>
|
||||
<match>
|
||||
<AND>
|
||||
<NAME>.*</NAME>
|
||||
<XML_ATTRIBUTE />
|
||||
<XML_NAMESPACE>.*</XML_NAMESPACE>
|
||||
</AND>
|
||||
</match>
|
||||
<order>BY_NAME</order>
|
||||
</rule>
|
||||
</section>
|
||||
</rules>
|
||||
</arrangement>
|
||||
</codeStyleSettings>
|
||||
</code_scheme>
|
||||
</component>
|
||||
16
.idea/gradle.xml
generated
Normal file
@@ -0,0 +1,16 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<project version="4">
|
||||
<component name="GradleSettings">
|
||||
<option name="linkedExternalProjectsSettings">
|
||||
<GradleProjectSettings>
|
||||
<compositeConfiguration>
|
||||
<compositeBuild compositeDefinitionSource="SCRIPT" />
|
||||
</compositeConfiguration>
|
||||
<option name="distributionType" value="DEFAULT_WRAPPED" />
|
||||
<option name="externalProjectPath" value="$PROJECT_DIR$" />
|
||||
<option name="resolveModulePerSourceSet" value="false" />
|
||||
<option name="testRunner" value="PLATFORM" />
|
||||
</GradleProjectSettings>
|
||||
</option>
|
||||
</component>
|
||||
</project>
|
||||
9
.idea/misc.xml
generated
Normal file
@@ -0,0 +1,9 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<project version="4">
|
||||
<component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" project-jdk-name="1.8" project-jdk-type="JavaSDK">
|
||||
<output url="file://$PROJECT_DIR$/build/classes" />
|
||||
</component>
|
||||
<component name="ProjectType">
|
||||
<option name="id" value="Android" />
|
||||
</component>
|
||||
</project>
|
||||
12
.idea/runConfigurations.xml
generated
Normal file
@@ -0,0 +1,12 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<project version="4">
|
||||
<component name="RunConfigurationProducerService">
|
||||
<option name="ignoredProducers">
|
||||
<set>
|
||||
<option value="org.jetbrains.plugins.gradle.execution.test.runner.AllInPackageGradleConfigurationProducer" />
|
||||
<option value="org.jetbrains.plugins.gradle.execution.test.runner.TestClassGradleConfigurationProducer" />
|
||||
<option value="org.jetbrains.plugins.gradle.execution.test.runner.TestMethodGradleConfigurationProducer" />
|
||||
</set>
|
||||
</option>
|
||||
</component>
|
||||
</project>
|
||||
1
app/.gitignore
vendored
Normal file
@@ -0,0 +1 @@
|
||||
/build
|
||||
28
app/build.gradle
Normal file
@@ -0,0 +1,28 @@
|
||||
apply plugin: 'com.android.application'
|
||||
|
||||
android {
|
||||
compileSdkVersion 29
|
||||
defaultConfig {
|
||||
applicationId "wang.xice.mycalculator"
|
||||
minSdkVersion 16
|
||||
targetSdkVersion 29
|
||||
versionCode 1
|
||||
versionName "1.0"
|
||||
testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
|
||||
}
|
||||
buildTypes {
|
||||
release {
|
||||
minifyEnabled false
|
||||
proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
dependencies {
|
||||
implementation fileTree(dir: 'libs', include: ['*.jar'])
|
||||
implementation 'androidx.appcompat:appcompat:1.0.2'
|
||||
implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
|
||||
testImplementation 'junit:junit:4.12'
|
||||
androidTestImplementation 'androidx.test:runner:1.1.1'
|
||||
androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
|
||||
}
|
||||
21
app/proguard-rules.pro
vendored
Normal file
@@ -0,0 +1,21 @@
|
||||
# Add project specific ProGuard rules here.
|
||||
# You can control the set of applied configuration files using the
|
||||
# proguardFiles setting in build.gradle.
|
||||
#
|
||||
# For more details, see
|
||||
# http://developer.android.com/guide/developing/tools/proguard.html
|
||||
|
||||
# If your project uses WebView with JS, uncomment the following
|
||||
# and specify the fully qualified class name to the JavaScript interface
|
||||
# class:
|
||||
#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
|
||||
# public *;
|
||||
#}
|
||||
|
||||
# Uncomment this to preserve the line number information for
|
||||
# debugging stack traces.
|
||||
#-keepattributes SourceFile,LineNumberTable
|
||||
|
||||
# If you keep the line number information, uncomment this to
|
||||
# hide the original source file name.
|
||||
#-renamesourcefileattribute SourceFile
|
||||
@@ -0,0 +1,27 @@
|
||||
package wang.xice.mycalculator;
|
||||
|
||||
import android.content.Context;
|
||||
|
||||
import androidx.test.platform.app.InstrumentationRegistry;
|
||||
import androidx.test.runner.AndroidJUnit4;
|
||||
|
||||
import org.junit.Test;
|
||||
import org.junit.runner.RunWith;
|
||||
|
||||
import static org.junit.Assert.assertEquals;
|
||||
|
||||
/**
|
||||
* Instrumented test, which will execute on an Android device.
|
||||
*
|
||||
* @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
|
||||
*/
|
||||
@RunWith(AndroidJUnit4.class)
|
||||
public class ExampleInstrumentedTest {
|
||||
@Test
|
||||
public void useAppContext() {
|
||||
// Context of the app under test.
|
||||
Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
|
||||
|
||||
assertEquals("wang.xice.mycalculator", appContext.getPackageName());
|
||||
}
|
||||
}
|
||||
21
app/src/main/AndroidManifest.xml
Normal file
@@ -0,0 +1,21 @@
|
||||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
|
||||
package="wang.xice.mycalculator">
|
||||
|
||||
<application
|
||||
android:allowBackup="true"
|
||||
android:icon="@mipmap/ic_launcher"
|
||||
android:label="@string/app_name"
|
||||
android:roundIcon="@mipmap/ic_launcher_round"
|
||||
android:supportsRtl="true"
|
||||
android:theme="@style/AppTheme">
|
||||
<activity android:name=".MainActivity">
|
||||
<intent-filter>
|
||||
<action android:name="android.intent.action.MAIN" />
|
||||
|
||||
<category android:name="android.intent.category.LAUNCHER" />
|
||||
</intent-filter>
|
||||
</activity>
|
||||
</application>
|
||||
|
||||
</manifest>
|
||||
258
app/src/main/java/wang/xice/mycalculator/Calculator.java
Normal file
@@ -0,0 +1,258 @@
|
||||
package wang.xice.mycalculator;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.Stack;
|
||||
|
||||
/**
|
||||
* 计算输入的表达式
|
||||
*/
|
||||
public class Calculator {
|
||||
|
||||
public static String calculate(String downStr) throws Exception {
|
||||
ArrayList<String> inOrderList = getStringList(downStr);
|
||||
ArrayList<String> postOrderList = getPostOrderList(inOrderList);
|
||||
double result = calPostOrderList(postOrderList);
|
||||
if (result == Math.floor(result)) {
|
||||
return (long) result + "";
|
||||
}
|
||||
return result + "";
|
||||
}
|
||||
|
||||
/**
|
||||
* 将字符串放入栈中 --- 中序表达式
|
||||
* 按照 数字 符号 这种中序的顺序存入栈中
|
||||
*
|
||||
* @return ArrayList<String> 中缀表达式
|
||||
*/
|
||||
private static ArrayList<String> getStringList(String string) {
|
||||
|
||||
ArrayList<String> arrayList = new ArrayList<>();
|
||||
String num = "";
|
||||
String str = "";
|
||||
|
||||
for (int i = 0; i < string.length(); i++) {
|
||||
|
||||
if ((Character.isDigit(string.charAt(i))
|
||||
|| string.charAt(i) == '.'
|
||||
|| string.charAt(i) == 'e'
|
||||
|| string.charAt(i) == 'π')) {
|
||||
// 当前的字符串是否是数字或者是点号
|
||||
num += string.charAt(i);
|
||||
}else if(Character.isLetter(string.charAt(i))){
|
||||
str += string.charAt(i);
|
||||
} else {// 当前输入的字符不是数字或者点号
|
||||
|
||||
if (i == 0 && isSubOperator(string.charAt(i) + "")) {
|
||||
// 当最后一次计算结果为负数时候,
|
||||
//为输入的String第一位添加0 保证再次做减法的正确性
|
||||
arrayList.add("0");
|
||||
}
|
||||
if (!str.equals("")) {
|
||||
arrayList.add(str);
|
||||
}
|
||||
if (!num.equals("")) {
|
||||
arrayList.add(num);
|
||||
}
|
||||
arrayList.add(string.charAt(i) + "");
|
||||
str = "";
|
||||
num = "";
|
||||
}
|
||||
}
|
||||
|
||||
if (!str.equals("")) {// 添加最后一个一元运算符
|
||||
arrayList.add(str);
|
||||
}
|
||||
if (!num.equals("")) {// 添加最后一个数字
|
||||
arrayList.add(num);
|
||||
}
|
||||
|
||||
return arrayList;
|
||||
}
|
||||
|
||||
/**
|
||||
* 把中缀表达式转化成后缀表达式
|
||||
*
|
||||
* @param inOrderList ArrayList<String> 中缀表达式
|
||||
* @return ArrayList<String> 后缀表达式
|
||||
*/
|
||||
private static ArrayList<String> getPostOrderList(ArrayList<String> inOrderList) {
|
||||
|
||||
ArrayList<String> postOrderList = new ArrayList<>();
|
||||
Stack<String> operatorStack = new Stack<>();
|
||||
|
||||
for (int i = 0; i < inOrderList.size(); i++) {
|
||||
|
||||
String current = inOrderList.get(i);
|
||||
if (current.equals("(")){// 如果是左括号
|
||||
operatorStack.push(current); //直接入栈
|
||||
}
|
||||
else if (current.equals(")")){ //如果是右括号
|
||||
while (!operatorStack.isEmpty() && !operatorStack.peek().equals("(")){ //将栈中的运算符全入栈 知道找到左括号
|
||||
postOrderList.add(operatorStack.pop());
|
||||
}
|
||||
if (!operatorStack.isEmpty()) operatorStack.pop(); // 并将左括号出栈
|
||||
}else if (isOperator(current)) {// 如果是运算符
|
||||
while (!operatorStack.isEmpty() && compareLevel(operatorStack.peek(), current)) { // 判断优先级 进行入栈
|
||||
postOrderList.add(operatorStack.pop());
|
||||
}
|
||||
operatorStack.push(current);
|
||||
} else {// 如果不是运算符, 是数字或者是点号
|
||||
postOrderList.add(inOrderList.get(i));
|
||||
}
|
||||
}
|
||||
|
||||
while (!operatorStack.isEmpty()) {
|
||||
postOrderList.add(operatorStack.pop());
|
||||
}
|
||||
|
||||
return postOrderList;
|
||||
}
|
||||
|
||||
/**
|
||||
* 比较运算符之间的优先级
|
||||
* 比较当前运算符与运算符栈顶的运算符的优先级
|
||||
* 若栈顶元算符优先级大于当前元算符则出栈,把运算符栈顶元素放入
|
||||
* 后缀表达式栈中
|
||||
* ---
|
||||
* 若栈顶元算符优先级大于或等于当前元算符返回true
|
||||
*
|
||||
* @param stackTop String 栈顶运算符
|
||||
* @param current String 当前运算符
|
||||
* @return boolean 是否优先
|
||||
*/
|
||||
private static boolean compareLevel(String stackTop, String current) {
|
||||
if (isOperator(stackTop) && !isSubOperator(stackTop)){ // sin cos啥的
|
||||
return true;
|
||||
}
|
||||
if (isOperator(current) && !isSubOperator(current)){
|
||||
return false;
|
||||
}
|
||||
if (stackTop.equals("*") && (current.equals("*")
|
||||
|| current.equals("/")
|
||||
|| current.equals("+")
|
||||
|| current.equals("-"))) {
|
||||
return true;
|
||||
}
|
||||
|
||||
if (stackTop.equals("/") && (current.equals("*")
|
||||
|| current.equals("/")
|
||||
|| current.equals("+")
|
||||
|| current.equals("-"))) {
|
||||
return true;
|
||||
}
|
||||
|
||||
if (stackTop.equals("+") && (current.equals("+")
|
||||
|| current.equals("-"))) {
|
||||
return true;
|
||||
}
|
||||
|
||||
if (stackTop.equals("-") && (current.equals("-")
|
||||
|| current.equals("+"))) {
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* 判断是否是运算符
|
||||
*
|
||||
* @return boolean 是否是运算符
|
||||
*/
|
||||
private static boolean isOperator(String string) {
|
||||
return string.equals("+")
|
||||
|| string.equals("-")
|
||||
|| string.equals("*")
|
||||
|| string.equals("/")
|
||||
|| string.equals("sin")
|
||||
|| string.equals("cos")
|
||||
|| string.equals("log")
|
||||
|| string.equals("tan");
|
||||
}
|
||||
/**
|
||||
* 判断运算符前面是否应该有数
|
||||
*
|
||||
* @return boolean 是否是二元运算符
|
||||
* */
|
||||
private static boolean isSubOperator(String string) {
|
||||
return string.equals("+")
|
||||
|| string.equals("-")
|
||||
|| string.equals("*")
|
||||
|| string.equals("/");
|
||||
}
|
||||
|
||||
/**
|
||||
* 将含有e π 的字符串转成对应的数
|
||||
*
|
||||
* @return double 转化之后的数字
|
||||
* */
|
||||
private static double strToDouble(String s) {
|
||||
switch (s){
|
||||
case "e":
|
||||
return Math.E;
|
||||
case "π":
|
||||
return Math.PI;
|
||||
default:
|
||||
return Double.parseDouble(s);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 计算后缀表达式
|
||||
* 如果是数字或者点号直接存入到堆栈中,遇到运算符则弹出栈顶的两个元素
|
||||
* 然后计算得到结果之后在存入栈中
|
||||
*/
|
||||
private static double calPostOrderList(ArrayList<String> postOrderList) throws Exception {
|
||||
|
||||
Stack<String> stack = new Stack<>();
|
||||
for (int i = 0; i < postOrderList.size(); i++) {
|
||||
|
||||
String curStr = postOrderList.get(i);
|
||||
if (isSubOperator(curStr)) {// 二元运算符 弹出栈顶的两个元素,然后进行计算,注意a是被操作数先弹出的a
|
||||
double a = strToDouble(stack.pop());
|
||||
double b = strToDouble(stack.pop());
|
||||
double result = 0.0;
|
||||
switch (curStr.charAt(0)) {
|
||||
case '+':
|
||||
result = b + a;
|
||||
break;
|
||||
case '-':
|
||||
result = b - a;
|
||||
break;
|
||||
case '/':
|
||||
if (a == 0) throw new Exception();
|
||||
result = b / a;
|
||||
break;
|
||||
case '*':
|
||||
result = b * a;
|
||||
break;
|
||||
}
|
||||
|
||||
stack.push(result + "");
|
||||
}else if (isOperator(curStr)){ // 一元运算符仅需要弹出一个元素进行计算
|
||||
double a = strToDouble(stack.pop());
|
||||
double result = 0.0;
|
||||
switch (curStr) {
|
||||
case "sin":
|
||||
result = Math.sin(a);
|
||||
break;
|
||||
case "cos":
|
||||
result = Math.cos(a);
|
||||
break;
|
||||
case "tan":
|
||||
result = Math.tan(a);
|
||||
break;
|
||||
case "log":
|
||||
result = Math.log(a);
|
||||
break;
|
||||
}
|
||||
|
||||
stack.push(result + "");
|
||||
} else {
|
||||
stack.push(curStr);
|
||||
}
|
||||
}
|
||||
|
||||
return Double.parseDouble(stack.pop());
|
||||
}
|
||||
}
|
||||
177
app/src/main/java/wang/xice/mycalculator/MainActivity.java
Normal file
@@ -0,0 +1,177 @@
|
||||
package wang.xice.mycalculator;
|
||||
|
||||
import android.content.Context;
|
||||
import android.os.Bundle;
|
||||
import android.util.Log;
|
||||
import android.view.View;
|
||||
import android.view.WindowManager;
|
||||
import android.view.animation.AlphaAnimation;
|
||||
import android.view.animation.Animation;
|
||||
import android.view.animation.AnimationSet;
|
||||
import android.view.animation.TranslateAnimation;
|
||||
import android.widget.Button;
|
||||
import android.widget.EditText;
|
||||
import android.widget.LinearLayout;
|
||||
|
||||
import androidx.appcompat.app.AppCompatActivity;
|
||||
|
||||
import java.util.ArrayList;
|
||||
|
||||
public class MainActivity extends AppCompatActivity {
|
||||
|
||||
|
||||
private static final String TAG = "MainActivity";
|
||||
private String downStr = "";
|
||||
private boolean last_input = false;// 上一次输入是否为等号
|
||||
|
||||
private ArrayList<Button> mButtons;
|
||||
private EditText downText;// 显示计算的结果
|
||||
private EditText upText;// 显示计算的式子
|
||||
private LinearLayout keyboardLayout;
|
||||
private LinearLayout displayLayout;
|
||||
|
||||
@Override
|
||||
protected void onCreate(Bundle savedInstanceState) {
|
||||
super.onCreate(savedInstanceState);
|
||||
setContentView(R.layout.activity_main);
|
||||
bindLayoutID();
|
||||
setListener();
|
||||
setButtonsStyle();
|
||||
|
||||
if (savedInstanceState != null) {
|
||||
upText.setText(savedInstanceState.getString("upText"));
|
||||
downText.setText(savedInstanceState.getString("downText"));
|
||||
}
|
||||
}
|
||||
|
||||
// 活动被回收时,保存临时数据
|
||||
@Override
|
||||
protected void onSaveInstanceState(Bundle outState) {
|
||||
super.onSaveInstanceState(outState);
|
||||
outState.putString("upText", upText.getText().toString());
|
||||
outState.putString("downText", downText.getText().toString());
|
||||
}
|
||||
|
||||
private void setButtonsStyle() {
|
||||
WindowManager wm = (WindowManager) this.getSystemService(Context.WINDOW_SERVICE);
|
||||
int screen_height = wm.getDefaultDisplay().getHeight();
|
||||
|
||||
keyboardLayout.getLayoutParams().height = screen_height / 2;
|
||||
displayLayout.getLayoutParams().height = screen_height / 3;
|
||||
|
||||
for (int i = 0; i < mButtons.size(); i++) {
|
||||
mButtons.get(i).setWidth(keyboardLayout.getWidth() / 4);
|
||||
mButtons.get(i).setHeight(keyboardLayout.getHeight() / 5);
|
||||
Log.d(TAG, "setButtonsStyle: " + mButtons.get(i).getWidth());
|
||||
Log.d(TAG, "setButtonsStyle: " + mButtons.get(i).getHeight());
|
||||
}
|
||||
|
||||
mButtons.get(0).setWidth( keyboardLayout.getWidth() / 2);
|
||||
}
|
||||
|
||||
private void setListener() {
|
||||
// 初始化数字按键等直接添加字符的按钮的点击监听事件
|
||||
for (int i = 0; i < mButtons.size()-3; i++) {
|
||||
final int index = i;
|
||||
mButtons.get(i).setOnClickListener(new View.OnClickListener() {
|
||||
@Override
|
||||
public void onClick(View view) {
|
||||
if (last_input) {// 如果上一次输入的是等号,则再按数字键表示计算新的式子
|
||||
downStr = "";
|
||||
last_input = false;
|
||||
}
|
||||
downStr += mButtons.get(index).getText();
|
||||
downText.setText(downStr);
|
||||
downText.setSelection(downStr.length());
|
||||
}
|
||||
});
|
||||
}
|
||||
// 清除
|
||||
mButtons.get(mButtons.size()-2).setOnClickListener(new View.OnClickListener() {
|
||||
@Override
|
||||
public void onClick(View v) {
|
||||
downStr = "";
|
||||
downText.setText("0");
|
||||
upText.setText("");
|
||||
last_input = false;
|
||||
}
|
||||
});
|
||||
|
||||
// 退格
|
||||
mButtons.get(mButtons.size()-1).setOnClickListener(new View.OnClickListener() {
|
||||
@Override
|
||||
public void onClick(View v) {
|
||||
if (downStr.length() == 0) {
|
||||
return;
|
||||
}
|
||||
downStr = downStr.substring(0, downStr.length() - 1);
|
||||
downText.setText(downStr);
|
||||
downText.setSelection(downStr.length());
|
||||
last_input = false;
|
||||
}
|
||||
});
|
||||
// 等号
|
||||
mButtons.get(mButtons.size()-3).setOnClickListener(new View.OnClickListener() {
|
||||
@Override
|
||||
public void onClick(View v) {
|
||||
if (last_input) {// 若上一次输入的是等号,则不做任何操作
|
||||
return;
|
||||
}
|
||||
|
||||
// 小动画
|
||||
AnimationSet animationSet = new AnimationSet(true);
|
||||
AlphaAnimation alphaAnimation = new AlphaAnimation(1f, 0f);
|
||||
alphaAnimation.setDuration(200);
|
||||
TranslateAnimation translateAnimation = new TranslateAnimation(0, 0, 0, -150f);
|
||||
translateAnimation.setDuration(200);
|
||||
animationSet.addAnimation(alphaAnimation);
|
||||
animationSet.addAnimation(translateAnimation);
|
||||
downText.startAnimation(animationSet);
|
||||
animationSet.setAnimationListener(new Animation.AnimationListener() {
|
||||
@Override
|
||||
public void onAnimationStart(Animation animation) {
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onAnimationEnd(Animation animation) {
|
||||
// 在上面的editText显示计算表达式
|
||||
upText.setText(downStr + "=");
|
||||
upText.setSelection(downStr.length() + 1);
|
||||
try {
|
||||
downStr = Calculator.calculate(downStr);
|
||||
downText.setText(downStr);
|
||||
downText.setSelection(downStr.length());
|
||||
} catch (Exception e) {
|
||||
downText.setText("算式错误");
|
||||
downStr = "";
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onAnimationRepeat(Animation animation) {
|
||||
|
||||
}
|
||||
});
|
||||
|
||||
last_input = true;
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
private void bindLayoutID(){
|
||||
int[] mButtonsId = {R.id.num_0, R.id.num_1, R.id.num_2, R.id.num_3,
|
||||
R.id.num_4, R.id.num_5, R.id.num_6, R.id.num_7,
|
||||
R.id.num_8, R.id.num_9, //10
|
||||
R.id.num_dot, R.id.sum, R.id.sub, R.id.multi,
|
||||
R.id.divider,R.id.bracket_left,R.id.bracket_right,R.id.num_e,
|
||||
R.id.num_pi,R.id.cos,R.id.sin,R.id.tan,R.id.log,
|
||||
R.id.equl, R.id.clear, R.id.delete};
|
||||
mButtons = new ArrayList<>();
|
||||
for (int mButtonId: mButtonsId) mButtons.add((Button) findViewById(mButtonId));
|
||||
upText = findViewById(R.id.editText1);
|
||||
downText = findViewById(R.id.editText2);
|
||||
keyboardLayout = findViewById(R.id.keyboard_area);
|
||||
displayLayout = findViewById(R.id.layout_display);
|
||||
}
|
||||
}
|
||||
34
app/src/main/res/drawable-v24/ic_launcher_foreground.xml
Normal file
@@ -0,0 +1,34 @@
|
||||
<vector xmlns:android="http://schemas.android.com/apk/res/android"
|
||||
xmlns:aapt="http://schemas.android.com/aapt"
|
||||
android:width="108dp"
|
||||
android:height="108dp"
|
||||
android:viewportWidth="108"
|
||||
android:viewportHeight="108">
|
||||
<path
|
||||
android:fillType="evenOdd"
|
||||
android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
|
||||
android:strokeWidth="1"
|
||||
android:strokeColor="#00000000">
|
||||
<aapt:attr name="android:fillColor">
|
||||
<gradient
|
||||
android:endX="78.5885"
|
||||
android:endY="90.9159"
|
||||
android:startX="48.7653"
|
||||
android:startY="61.0927"
|
||||
android:type="linear">
|
||||
<item
|
||||
android:color="#44000000"
|
||||
android:offset="0.0" />
|
||||
<item
|
||||
android:color="#00000000"
|
||||
android:offset="1.0" />
|
||||
</gradient>
|
||||
</aapt:attr>
|
||||
</path>
|
||||
<path
|
||||
android:fillColor="#FFFFFF"
|
||||
android:fillType="nonZero"
|
||||
android:pathData="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"
|
||||
android:strokeWidth="1"
|
||||
android:strokeColor="#00000000" />
|
||||
</vector>
|
||||
@@ -0,0 +1,5 @@
|
||||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<selector xmlns:android="http://schemas.android.com/apk/res/android">
|
||||
<item android:state_pressed="false"
|
||||
android:drawable="@drawable/caculator_button_normal" ></item>
|
||||
</selector>
|
||||
6
app/src/main/res/drawable/caculator_button_normal.xml
Normal file
@@ -0,0 +1,6 @@
|
||||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<shape xmlns:android="http://schemas.android.com/apk/res/android">
|
||||
<solid android:color="@color/colorCaculatorButton"></solid>
|
||||
<stroke android:color="@color/colorc7c7c7"
|
||||
android:width="@dimen/keyboard_divide_line"></stroke>
|
||||
</shape>
|
||||
170
app/src/main/res/drawable/ic_launcher_background.xml
Normal file
@@ -0,0 +1,170 @@
|
||||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<vector xmlns:android="http://schemas.android.com/apk/res/android"
|
||||
android:width="108dp"
|
||||
android:height="108dp"
|
||||
android:viewportWidth="108"
|
||||
android:viewportHeight="108">
|
||||
<path
|
||||
android:fillColor="#008577"
|
||||
android:pathData="M0,0h108v108h-108z" />
|
||||
<path
|
||||
android:fillColor="#00000000"
|
||||
android:pathData="M9,0L9,108"
|
||||
android:strokeWidth="0.8"
|
||||
android:strokeColor="#33FFFFFF" />
|
||||
<path
|
||||
android:fillColor="#00000000"
|
||||
android:pathData="M19,0L19,108"
|
||||
android:strokeWidth="0.8"
|
||||
android:strokeColor="#33FFFFFF" />
|
||||
<path
|
||||
android:fillColor="#00000000"
|
||||
android:pathData="M29,0L29,108"
|
||||
android:strokeWidth="0.8"
|
||||
android:strokeColor="#33FFFFFF" />
|
||||
<path
|
||||
android:fillColor="#00000000"
|
||||
android:pathData="M39,0L39,108"
|
||||
android:strokeWidth="0.8"
|
||||
android:strokeColor="#33FFFFFF" />
|
||||
<path
|
||||
android:fillColor="#00000000"
|
||||
android:pathData="M49,0L49,108"
|
||||
android:strokeWidth="0.8"
|
||||
android:strokeColor="#33FFFFFF" />
|
||||
<path
|
||||
android:fillColor="#00000000"
|
||||
android:pathData="M59,0L59,108"
|
||||
android:strokeWidth="0.8"
|
||||
android:strokeColor="#33FFFFFF" />
|
||||
<path
|
||||
android:fillColor="#00000000"
|
||||
android:pathData="M69,0L69,108"
|
||||
android:strokeWidth="0.8"
|
||||
android:strokeColor="#33FFFFFF" />
|
||||
<path
|
||||
android:fillColor="#00000000"
|
||||
android:pathData="M79,0L79,108"
|
||||
android:strokeWidth="0.8"
|
||||
android:strokeColor="#33FFFFFF" />
|
||||
<path
|
||||
android:fillColor="#00000000"
|
||||
android:pathData="M89,0L89,108"
|
||||
android:strokeWidth="0.8"
|
||||
android:strokeColor="#33FFFFFF" />
|
||||
<path
|
||||
android:fillColor="#00000000"
|
||||
android:pathData="M99,0L99,108"
|
||||
android:strokeWidth="0.8"
|
||||
android:strokeColor="#33FFFFFF" />
|
||||
<path
|
||||
android:fillColor="#00000000"
|
||||
android:pathData="M0,9L108,9"
|
||||
android:strokeWidth="0.8"
|
||||
android:strokeColor="#33FFFFFF" />
|
||||
<path
|
||||
android:fillColor="#00000000"
|
||||
android:pathData="M0,19L108,19"
|
||||
android:strokeWidth="0.8"
|
||||
android:strokeColor="#33FFFFFF" />
|
||||
<path
|
||||
android:fillColor="#00000000"
|
||||
android:pathData="M0,29L108,29"
|
||||
android:strokeWidth="0.8"
|
||||
android:strokeColor="#33FFFFFF" />
|
||||
<path
|
||||
android:fillColor="#00000000"
|
||||
android:pathData="M0,39L108,39"
|
||||
android:strokeWidth="0.8"
|
||||
android:strokeColor="#33FFFFFF" />
|
||||
<path
|
||||
android:fillColor="#00000000"
|
||||
android:pathData="M0,49L108,49"
|
||||
android:strokeWidth="0.8"
|
||||
android:strokeColor="#33FFFFFF" />
|
||||
<path
|
||||
android:fillColor="#00000000"
|
||||
android:pathData="M0,59L108,59"
|
||||
android:strokeWidth="0.8"
|
||||
android:strokeColor="#33FFFFFF" />
|
||||
<path
|
||||
android:fillColor="#00000000"
|
||||
android:pathData="M0,69L108,69"
|
||||
android:strokeWidth="0.8"
|
||||
android:strokeColor="#33FFFFFF" />
|
||||
<path
|
||||
android:fillColor="#00000000"
|
||||
android:pathData="M0,79L108,79"
|
||||
android:strokeWidth="0.8"
|
||||
android:strokeColor="#33FFFFFF" />
|
||||
<path
|
||||
android:fillColor="#00000000"
|
||||
android:pathData="M0,89L108,89"
|
||||
android:strokeWidth="0.8"
|
||||
android:strokeColor="#33FFFFFF" />
|
||||
<path
|
||||
android:fillColor="#00000000"
|
||||
android:pathData="M0,99L108,99"
|
||||
android:strokeWidth="0.8"
|
||||
android:strokeColor="#33FFFFFF" />
|
||||
<path
|
||||
android:fillColor="#00000000"
|
||||
android:pathData="M19,29L89,29"
|
||||
android:strokeWidth="0.8"
|
||||
android:strokeColor="#33FFFFFF" />
|
||||
<path
|
||||
android:fillColor="#00000000"
|
||||
android:pathData="M19,39L89,39"
|
||||
android:strokeWidth="0.8"
|
||||
android:strokeColor="#33FFFFFF" />
|
||||
<path
|
||||
android:fillColor="#00000000"
|
||||
android:pathData="M19,49L89,49"
|
||||
android:strokeWidth="0.8"
|
||||
android:strokeColor="#33FFFFFF" />
|
||||
<path
|
||||
android:fillColor="#00000000"
|
||||
android:pathData="M19,59L89,59"
|
||||
android:strokeWidth="0.8"
|
||||
android:strokeColor="#33FFFFFF" />
|
||||
<path
|
||||
android:fillColor="#00000000"
|
||||
android:pathData="M19,69L89,69"
|
||||
android:strokeWidth="0.8"
|
||||
android:strokeColor="#33FFFFFF" />
|
||||
<path
|
||||
android:fillColor="#00000000"
|
||||
android:pathData="M19,79L89,79"
|
||||
android:strokeWidth="0.8"
|
||||
android:strokeColor="#33FFFFFF" />
|
||||
<path
|
||||
android:fillColor="#00000000"
|
||||
android:pathData="M29,19L29,89"
|
||||
android:strokeWidth="0.8"
|
||||
android:strokeColor="#33FFFFFF" />
|
||||
<path
|
||||
android:fillColor="#00000000"
|
||||
android:pathData="M39,19L39,89"
|
||||
android:strokeWidth="0.8"
|
||||
android:strokeColor="#33FFFFFF" />
|
||||
<path
|
||||
android:fillColor="#00000000"
|
||||
android:pathData="M49,19L49,89"
|
||||
android:strokeWidth="0.8"
|
||||
android:strokeColor="#33FFFFFF" />
|
||||
<path
|
||||
android:fillColor="#00000000"
|
||||
android:pathData="M59,19L59,89"
|
||||
android:strokeWidth="0.8"
|
||||
android:strokeColor="#33FFFFFF" />
|
||||
<path
|
||||
android:fillColor="#00000000"
|
||||
android:pathData="M69,19L69,89"
|
||||
android:strokeWidth="0.8"
|
||||
android:strokeColor="#33FFFFFF" />
|
||||
<path
|
||||
android:fillColor="#00000000"
|
||||
android:pathData="M79,19L79,89"
|
||||
android:strokeWidth="0.8"
|
||||
android:strokeColor="#33FFFFFF" />
|
||||
</vector>
|
||||
6
app/src/main/res/drawable/keyboard_background.xml
Normal file
@@ -0,0 +1,6 @@
|
||||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<selector xmlns:android="http://schemas.android.com/apk/res/android">
|
||||
<item android:drawable="@drawable/keyboard_normal"
|
||||
android:state_pressed="false">
|
||||
</item>
|
||||
</selector>
|
||||
6
app/src/main/res/drawable/keyboard_normal.xml
Normal file
@@ -0,0 +1,6 @@
|
||||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<shape xmlns:android="http://schemas.android.com/apk/res/android">
|
||||
<solid android:color="@color/colorF1F1F1"></solid>
|
||||
<stroke android:color="@color/colorc7c7c7"
|
||||
android:width="@dimen/keyboard_divide_line"></stroke>
|
||||
</shape>
|
||||
58
app/src/main/res/layout/activity_main.xml
Normal file
@@ -0,0 +1,58 @@
|
||||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
|
||||
android:id="@+id/activity_main"
|
||||
android:layout_width="match_parent"
|
||||
android:layout_height="match_parent"
|
||||
android:background="@color/colorWhite">
|
||||
|
||||
<LinearLayout
|
||||
android:id="@+id/layout_display"
|
||||
android:layout_width="match_parent"
|
||||
android:layout_height="wrap_content"
|
||||
android:layout_marginTop="30dp"
|
||||
android:background="@color/colorWhite"
|
||||
android:orientation="vertical"
|
||||
android:paddingLeft="@dimen/editText_padding"
|
||||
android:paddingRight="@dimen/editText_padding">
|
||||
|
||||
<EditText
|
||||
android:id="@+id/editText1"
|
||||
android:layout_width="match_parent"
|
||||
android:layout_height="wrap_content"
|
||||
android:background="@null"
|
||||
android:cursorVisible="false"
|
||||
android:gravity="right|center_vertical"
|
||||
android:text=""
|
||||
android:textColor="@color/colorc7c7c7"
|
||||
android:textSize="@dimen/editNormal"/>
|
||||
|
||||
<EditText
|
||||
android:id="@+id/editText2"
|
||||
android:layout_width="match_parent"
|
||||
android:layout_height="wrap_content"
|
||||
android:layout_marginTop="10dp"
|
||||
android:background="@null"
|
||||
android:cursorVisible="false"
|
||||
android:focusableInTouchMode="false"
|
||||
android:gravity="right|center_vertical"
|
||||
android:singleLine="true"
|
||||
android:text="0"
|
||||
android:textAppearance="?android:attr/textAppearanceMedium"
|
||||
android:textColor="@color/colorBlack"
|
||||
android:textSize="@dimen/editBig"/>
|
||||
</LinearLayout>
|
||||
|
||||
<LinearLayout
|
||||
android:id="@+id/keyboard_area"
|
||||
android:layout_width="match_parent"
|
||||
android:layout_height="wrap_content"
|
||||
android:orientation="vertical"
|
||||
android:layout_gravity="bottom"
|
||||
android:gravity="bottom">
|
||||
|
||||
<include
|
||||
layout="@layout/keyboard"
|
||||
android:layout_width="match_parent"
|
||||
android:layout_height="wrap_content"/>
|
||||
</LinearLayout>
|
||||
</FrameLayout>
|
||||
188
app/src/main/res/layout/keyboard.xml
Normal file
@@ -0,0 +1,188 @@
|
||||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<TableLayout xmlns:android="http://schemas.android.com/apk/res/android"
|
||||
android:layout_width="match_parent"
|
||||
android:layout_height="match_parent"
|
||||
android:stretchColumns="*">
|
||||
|
||||
<TableRow>
|
||||
<Button
|
||||
android:id="@+id/bracket_left"
|
||||
android:background="@drawable/caculator_button_background"
|
||||
android:text="("
|
||||
android:textColor="@color/colorWhite" />
|
||||
<Button
|
||||
android:id="@+id/bracket_right"
|
||||
android:background="@drawable/caculator_button_background"
|
||||
android:text=")"
|
||||
android:textColor="@color/colorWhite" />
|
||||
<Button
|
||||
android:id="@+id/sin"
|
||||
android:background="@drawable/caculator_button_background"
|
||||
android:text="sin"
|
||||
android:textAllCaps="false"
|
||||
android:textColor="@color/colorWhite" />
|
||||
<Button
|
||||
android:id="@+id/cos"
|
||||
android:background="@drawable/caculator_button_background"
|
||||
android:text="cos"
|
||||
android:textAllCaps="false"
|
||||
android:textColor="@color/colorWhite" />
|
||||
</TableRow>
|
||||
<TableRow>
|
||||
<Button
|
||||
android:id="@+id/clear"
|
||||
android:background="@drawable/keyboard_background"
|
||||
android:text="C"
|
||||
android:textColor="@color/colorClear" />
|
||||
|
||||
<Button
|
||||
android:id="@+id/delete"
|
||||
android:background="@drawable/keyboard_background"
|
||||
android:text="←"
|
||||
android:textColor="@color/colorNum" />
|
||||
<Button
|
||||
android:id="@+id/tan"
|
||||
android:background="@drawable/caculator_button_background"
|
||||
android:text="tan"
|
||||
android:textAllCaps="false"
|
||||
android:textColor="@color/colorWhite" />
|
||||
<Button
|
||||
android:id="@+id/log"
|
||||
android:background="@drawable/caculator_button_background"
|
||||
android:text="log"
|
||||
android:textAllCaps="false"
|
||||
android:textColor="@color/colorWhite" />
|
||||
</TableRow>
|
||||
<TableRow>
|
||||
|
||||
<Button
|
||||
android:id="@+id/num_e"
|
||||
android:background="@drawable/keyboard_background"
|
||||
android:text="e"
|
||||
android:textAllCaps="false"
|
||||
android:textColor="@color/colorNum" />
|
||||
|
||||
<Button
|
||||
android:id="@+id/num_pi"
|
||||
android:background="@drawable/keyboard_background"
|
||||
android:text="π"
|
||||
android:textAllCaps="false"
|
||||
android:textColor="@color/colorNum" />
|
||||
|
||||
<Button
|
||||
android:id="@+id/remainder"
|
||||
android:background="@drawable/caculator_button_background"
|
||||
android:text="%"
|
||||
android:textColor="@color/colorWhite" />
|
||||
|
||||
<Button
|
||||
android:id="@+id/divider"
|
||||
android:background="@drawable/caculator_button_background"
|
||||
android:text="/"
|
||||
android:textColor="@color/colorWhite" />
|
||||
</TableRow>
|
||||
|
||||
<TableRow>
|
||||
|
||||
<Button
|
||||
android:id="@+id/num_7"
|
||||
android:background="@drawable/keyboard_background"
|
||||
android:text="7"
|
||||
android:textColor="@color/colorNum" />
|
||||
|
||||
<Button
|
||||
android:id="@+id/num_8"
|
||||
android:background="@drawable/keyboard_background"
|
||||
android:text="8"
|
||||
android:textColor="@color/colorNum" />
|
||||
|
||||
<Button
|
||||
android:id="@+id/num_9"
|
||||
android:background="@drawable/keyboard_normal"
|
||||
android:text="9"
|
||||
android:textColor="@color/colorNum" />
|
||||
|
||||
<Button
|
||||
android:id="@+id/multi"
|
||||
android:background="@drawable/caculator_button_background"
|
||||
android:text="*"
|
||||
android:textColor="@color/colorWhite" />
|
||||
</TableRow>
|
||||
|
||||
<TableRow>
|
||||
|
||||
<Button
|
||||
android:id="@+id/num_4"
|
||||
android:background="@drawable/keyboard_background"
|
||||
android:text="4"
|
||||
android:textColor="@color/colorNum" />
|
||||
|
||||
<Button
|
||||
android:id="@+id/num_5"
|
||||
android:background="@drawable/keyboard_background"
|
||||
android:text="5"
|
||||
android:textColor="@color/colorNum" />
|
||||
|
||||
<Button
|
||||
android:id="@+id/num_6"
|
||||
android:background="@drawable/keyboard_normal"
|
||||
android:text="6"
|
||||
android:textColor="@color/colorNum" />
|
||||
|
||||
<Button
|
||||
android:id="@+id/sub"
|
||||
android:background="@drawable/caculator_button_background"
|
||||
android:text="-"
|
||||
android:textColor="@color/colorWhite" />
|
||||
</TableRow>
|
||||
|
||||
<TableRow>
|
||||
|
||||
<Button
|
||||
android:id="@+id/num_1"
|
||||
android:background="@drawable/keyboard_background"
|
||||
android:text="1"
|
||||
android:textColor="@color/colorNum" />
|
||||
|
||||
<Button
|
||||
android:id="@+id/num_2"
|
||||
android:background="@drawable/keyboard_background"
|
||||
android:text="2"
|
||||
android:textColor="@color/colorNum" />
|
||||
|
||||
<Button
|
||||
android:id="@+id/num_3"
|
||||
android:background="@drawable/keyboard_normal"
|
||||
android:text="3"
|
||||
android:textColor="@color/colorNum" />
|
||||
|
||||
<Button
|
||||
android:id="@+id/sum"
|
||||
android:background="@drawable/caculator_button_background"
|
||||
android:text="+"
|
||||
android:textColor="@color/colorWhite" />
|
||||
</TableRow>
|
||||
|
||||
<TableRow>
|
||||
|
||||
<Button
|
||||
android:id="@+id/num_0"
|
||||
android:layout_span="2"
|
||||
android:background="@drawable/keyboard_background"
|
||||
android:text="0"
|
||||
android:textColor="@color/colorNum" />
|
||||
|
||||
<Button
|
||||
android:id="@+id/num_dot"
|
||||
android:background="@drawable/keyboard_background"
|
||||
android:text="."
|
||||
android:textColor="@color/colorNum" />
|
||||
|
||||
<Button
|
||||
android:id="@+id/equl"
|
||||
android:background="@drawable/keyboard_normal"
|
||||
android:text="="
|
||||
android:textColor="@color/colorNum" />
|
||||
</TableRow>
|
||||
|
||||
</TableLayout>
|
||||
5
app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
Normal file
@@ -0,0 +1,5 @@
|
||||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
|
||||
<background android:drawable="@drawable/ic_launcher_background" />
|
||||
<foreground android:drawable="@drawable/ic_launcher_foreground" />
|
||||
</adaptive-icon>
|
||||
5
app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
Normal file
@@ -0,0 +1,5 @@
|
||||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
|
||||
<background android:drawable="@drawable/ic_launcher_background" />
|
||||
<foreground android:drawable="@drawable/ic_launcher_foreground" />
|
||||
</adaptive-icon>
|
||||
BIN
app/src/main/res/mipmap-hdpi/ic_launcher.png
Normal file
|
After Width: | Height: | Size: 2.9 KiB |
BIN
app/src/main/res/mipmap-hdpi/ic_launcher_round.png
Normal file
|
After Width: | Height: | Size: 4.8 KiB |
BIN
app/src/main/res/mipmap-mdpi/ic_launcher.png
Normal file
|
After Width: | Height: | Size: 2.0 KiB |
BIN
app/src/main/res/mipmap-mdpi/ic_launcher_round.png
Normal file
|
After Width: | Height: | Size: 2.7 KiB |
BIN
app/src/main/res/mipmap-xhdpi/ic_launcher.png
Normal file
|
After Width: | Height: | Size: 4.4 KiB |
BIN
app/src/main/res/mipmap-xhdpi/ic_launcher_round.png
Normal file
|
After Width: | Height: | Size: 6.7 KiB |
BIN
app/src/main/res/mipmap-xxhdpi/ic_launcher.png
Normal file
|
After Width: | Height: | Size: 6.2 KiB |
BIN
app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
Normal file
|
After Width: | Height: | Size: 10 KiB |
BIN
app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
Normal file
|
After Width: | Height: | Size: 8.9 KiB |
BIN
app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
Normal file
|
After Width: | Height: | Size: 15 KiB |
13
app/src/main/res/values/colors.xml
Normal file
@@ -0,0 +1,13 @@
|
||||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<resources>
|
||||
<color name="colorPrimary">#008577</color>
|
||||
<color name="colorPrimaryDark">#00574B</color>
|
||||
<color name="colorAccent">#D81B60</color>
|
||||
<color name="colorWhite">#ffffff</color>
|
||||
<color name="colorF1F1F1">#f1f1f1</color>
|
||||
<color name="colorc7c7c7">#c7c7c7</color>
|
||||
<color name="colorClear">#96D16C</color>
|
||||
<color name="colorNum">#6e6e6e</color>
|
||||
<color name="colorCaculatorButton">#ffb9d796</color>
|
||||
<color name="colorBlack">#000000</color>
|
||||
</resources>
|
||||
7
app/src/main/res/values/dimens.xml
Normal file
@@ -0,0 +1,7 @@
|
||||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<resources>
|
||||
<dimen name="keyboard_divide_line">0.1dp</dimen>
|
||||
<dimen name="editText_padding">16dp</dimen>
|
||||
<dimen name="editNormal">30sp</dimen>
|
||||
<dimen name="editBig">50sp</dimen>
|
||||
</resources>
|
||||
3
app/src/main/res/values/strings.xml
Normal file
@@ -0,0 +1,3 @@
|
||||
<resources>
|
||||
<string name="app_name">MyCalculator</string>
|
||||
</resources>
|
||||
11
app/src/main/res/values/styles.xml
Normal file
@@ -0,0 +1,11 @@
|
||||
<resources>
|
||||
|
||||
<!-- Base application theme. -->
|
||||
<style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
|
||||
<!-- Customize your theme here. -->
|
||||
<item name="colorPrimary">@color/colorPrimary</item>
|
||||
<item name="colorPrimaryDark">@color/colorPrimaryDark</item>
|
||||
<item name="colorAccent">@color/colorAccent</item>
|
||||
</style>
|
||||
|
||||
</resources>
|
||||
@@ -0,0 +1,20 @@
|
||||
package wang.xice.mycalculator;
|
||||
|
||||
import org.junit.Test;
|
||||
|
||||
import static org.junit.Assert.assertEquals;
|
||||
import static org.junit.Assert.fail;
|
||||
|
||||
public class CalculatorUnitTest {
|
||||
@Test
|
||||
public void testCalculator() {
|
||||
String str = "cosπ+loge";
|
||||
try {
|
||||
String calculate = Calculator.calculate(str);
|
||||
assertEquals("0",calculate);
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
fail();
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,17 @@
|
||||
package wang.xice.mycalculator;
|
||||
|
||||
import org.junit.Test;
|
||||
|
||||
import static org.junit.Assert.*;
|
||||
|
||||
/**
|
||||
* Example local unit test, which will execute on the development machine (host).
|
||||
*
|
||||
* @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
|
||||
*/
|
||||
public class ExampleUnitTest {
|
||||
@Test
|
||||
public void addition_isCorrect() {
|
||||
assertEquals(4, 2 + 2);
|
||||
}
|
||||
}
|
||||
27
build.gradle
Normal file
@@ -0,0 +1,27 @@
|
||||
// Top-level build file where you can add configuration options common to all sub-projects/modules.
|
||||
|
||||
buildscript {
|
||||
repositories {
|
||||
google()
|
||||
jcenter()
|
||||
|
||||
}
|
||||
dependencies {
|
||||
classpath 'com.android.tools.build:gradle:3.5.0'
|
||||
|
||||
// NOTE: Do not place your application dependencies here; they belong
|
||||
// in the individual module build.gradle files
|
||||
}
|
||||
}
|
||||
|
||||
allprojects {
|
||||
repositories {
|
||||
google()
|
||||
jcenter()
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
task clean(type: Delete) {
|
||||
delete rootProject.buildDir
|
||||
}
|
||||
20
gradle.properties
Normal file
@@ -0,0 +1,20 @@
|
||||
# Project-wide Gradle settings.
|
||||
# IDE (e.g. Android Studio) users:
|
||||
# Gradle settings configured through the IDE *will override*
|
||||
# any settings specified in this file.
|
||||
# For more details on how to configure your build environment visit
|
||||
# http://www.gradle.org/docs/current/userguide/build_environment.html
|
||||
# Specifies the JVM arguments used for the daemon process.
|
||||
# The setting is particularly useful for tweaking memory settings.
|
||||
org.gradle.jvmargs=-Xmx1536m
|
||||
# When configured, Gradle will run in incubating parallel mode.
|
||||
# This option should only be used with decoupled projects. More details, visit
|
||||
# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
|
||||
# org.gradle.parallel=true
|
||||
# AndroidX package structure to make it clearer which packages are bundled with the
|
||||
# Android operating system, and which are packaged with your app's APK
|
||||
# https://developer.android.com/topic/libraries/support-library/androidx-rn
|
||||
android.useAndroidX=true
|
||||
# Automatically convert third-party libraries to use AndroidX
|
||||
android.enableJetifier=true
|
||||
|
||||
BIN
gradle/wrapper/gradle-wrapper.jar
vendored
Normal file
6
gradle/wrapper/gradle-wrapper.properties
vendored
Normal file
@@ -0,0 +1,6 @@
|
||||
#Sat Dec 21 19:35:42 CST 2019
|
||||
distributionBase=GRADLE_USER_HOME
|
||||
distributionPath=wrapper/dists
|
||||
zipStoreBase=GRADLE_USER_HOME
|
||||
zipStorePath=wrapper/dists
|
||||
distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip
|
||||
172
gradlew
vendored
Normal file
@@ -0,0 +1,172 @@
|
||||
#!/usr/bin/env sh
|
||||
|
||||
##############################################################################
|
||||
##
|
||||
## Gradle start up script for UN*X
|
||||
##
|
||||
##############################################################################
|
||||
|
||||
# Attempt to set APP_HOME
|
||||
# Resolve links: $0 may be a link
|
||||
PRG="$0"
|
||||
# Need this for relative symlinks.
|
||||
while [ -h "$PRG" ] ; do
|
||||
ls=`ls -ld "$PRG"`
|
||||
link=`expr "$ls" : '.*-> \(.*\)$'`
|
||||
if expr "$link" : '/.*' > /dev/null; then
|
||||
PRG="$link"
|
||||
else
|
||||
PRG=`dirname "$PRG"`"/$link"
|
||||
fi
|
||||
done
|
||||
SAVED="`pwd`"
|
||||
cd "`dirname \"$PRG\"`/" >/dev/null
|
||||
APP_HOME="`pwd -P`"
|
||||
cd "$SAVED" >/dev/null
|
||||
|
||||
APP_NAME="Gradle"
|
||||
APP_BASE_NAME=`basename "$0"`
|
||||
|
||||
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
|
||||
DEFAULT_JVM_OPTS=""
|
||||
|
||||
# Use the maximum available, or set MAX_FD != -1 to use that value.
|
||||
MAX_FD="maximum"
|
||||
|
||||
warn () {
|
||||
echo "$*"
|
||||
}
|
||||
|
||||
die () {
|
||||
echo
|
||||
echo "$*"
|
||||
echo
|
||||
exit 1
|
||||
}
|
||||
|
||||
# OS specific support (must be 'true' or 'false').
|
||||
cygwin=false
|
||||
msys=false
|
||||
darwin=false
|
||||
nonstop=false
|
||||
case "`uname`" in
|
||||
CYGWIN* )
|
||||
cygwin=true
|
||||
;;
|
||||
Darwin* )
|
||||
darwin=true
|
||||
;;
|
||||
MINGW* )
|
||||
msys=true
|
||||
;;
|
||||
NONSTOP* )
|
||||
nonstop=true
|
||||
;;
|
||||
esac
|
||||
|
||||
CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
|
||||
|
||||
# Determine the Java command to use to start the JVM.
|
||||
if [ -n "$JAVA_HOME" ] ; then
|
||||
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
|
||||
# IBM's JDK on AIX uses strange locations for the executables
|
||||
JAVACMD="$JAVA_HOME/jre/sh/java"
|
||||
else
|
||||
JAVACMD="$JAVA_HOME/bin/java"
|
||||
fi
|
||||
if [ ! -x "$JAVACMD" ] ; then
|
||||
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
|
||||
|
||||
Please set the JAVA_HOME variable in your environment to match the
|
||||
location of your Java installation."
|
||||
fi
|
||||
else
|
||||
JAVACMD="java"
|
||||
which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
|
||||
|
||||
Please set the JAVA_HOME variable in your environment to match the
|
||||
location of your Java installation."
|
||||
fi
|
||||
|
||||
# Increase the maximum file descriptors if we can.
|
||||
if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
|
||||
MAX_FD_LIMIT=`ulimit -H -n`
|
||||
if [ $? -eq 0 ] ; then
|
||||
if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
|
||||
MAX_FD="$MAX_FD_LIMIT"
|
||||
fi
|
||||
ulimit -n $MAX_FD
|
||||
if [ $? -ne 0 ] ; then
|
||||
warn "Could not set maximum file descriptor limit: $MAX_FD"
|
||||
fi
|
||||
else
|
||||
warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
|
||||
fi
|
||||
fi
|
||||
|
||||
# For Darwin, add options to specify how the application appears in the dock
|
||||
if $darwin; then
|
||||
GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
|
||||
fi
|
||||
|
||||
# For Cygwin, switch paths to Windows format before running java
|
||||
if $cygwin ; then
|
||||
APP_HOME=`cygpath --path --mixed "$APP_HOME"`
|
||||
CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
|
||||
JAVACMD=`cygpath --unix "$JAVACMD"`
|
||||
|
||||
# We build the pattern for arguments to be converted via cygpath
|
||||
ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
|
||||
SEP=""
|
||||
for dir in $ROOTDIRSRAW ; do
|
||||
ROOTDIRS="$ROOTDIRS$SEP$dir"
|
||||
SEP="|"
|
||||
done
|
||||
OURCYGPATTERN="(^($ROOTDIRS))"
|
||||
# Add a user-defined pattern to the cygpath arguments
|
||||
if [ "$GRADLE_CYGPATTERN" != "" ] ; then
|
||||
OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
|
||||
fi
|
||||
# Now convert the arguments - kludge to limit ourselves to /bin/sh
|
||||
i=0
|
||||
for arg in "$@" ; do
|
||||
CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
|
||||
CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
|
||||
|
||||
if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
|
||||
eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
|
||||
else
|
||||
eval `echo args$i`="\"$arg\""
|
||||
fi
|
||||
i=$((i+1))
|
||||
done
|
||||
case $i in
|
||||
(0) set -- ;;
|
||||
(1) set -- "$args0" ;;
|
||||
(2) set -- "$args0" "$args1" ;;
|
||||
(3) set -- "$args0" "$args1" "$args2" ;;
|
||||
(4) set -- "$args0" "$args1" "$args2" "$args3" ;;
|
||||
(5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
|
||||
(6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
|
||||
(7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
|
||||
(8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
|
||||
(9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
|
||||
esac
|
||||
fi
|
||||
|
||||
# Escape application args
|
||||
save () {
|
||||
for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
|
||||
echo " "
|
||||
}
|
||||
APP_ARGS=$(save "$@")
|
||||
|
||||
# Collect all arguments for the java command, following the shell quoting and substitution rules
|
||||
eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
|
||||
|
||||
# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
|
||||
if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
|
||||
cd "$(dirname "$0")"
|
||||
fi
|
||||
|
||||
exec "$JAVACMD" "$@"
|
||||
84
gradlew.bat
vendored
Normal file
@@ -0,0 +1,84 @@
|
||||
@if "%DEBUG%" == "" @echo off
|
||||
@rem ##########################################################################
|
||||
@rem
|
||||
@rem Gradle startup script for Windows
|
||||
@rem
|
||||
@rem ##########################################################################
|
||||
|
||||
@rem Set local scope for the variables with windows NT shell
|
||||
if "%OS%"=="Windows_NT" setlocal
|
||||
|
||||
set DIRNAME=%~dp0
|
||||
if "%DIRNAME%" == "" set DIRNAME=.
|
||||
set APP_BASE_NAME=%~n0
|
||||
set APP_HOME=%DIRNAME%
|
||||
|
||||
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
|
||||
set DEFAULT_JVM_OPTS=
|
||||
|
||||
@rem Find java.exe
|
||||
if defined JAVA_HOME goto findJavaFromJavaHome
|
||||
|
||||
set JAVA_EXE=java.exe
|
||||
%JAVA_EXE% -version >NUL 2>&1
|
||||
if "%ERRORLEVEL%" == "0" goto init
|
||||
|
||||
echo.
|
||||
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
|
||||
echo.
|
||||
echo Please set the JAVA_HOME variable in your environment to match the
|
||||
echo location of your Java installation.
|
||||
|
||||
goto fail
|
||||
|
||||
:findJavaFromJavaHome
|
||||
set JAVA_HOME=%JAVA_HOME:"=%
|
||||
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
|
||||
|
||||
if exist "%JAVA_EXE%" goto init
|
||||
|
||||
echo.
|
||||
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
|
||||
echo.
|
||||
echo Please set the JAVA_HOME variable in your environment to match the
|
||||
echo location of your Java installation.
|
||||
|
||||
goto fail
|
||||
|
||||
:init
|
||||
@rem Get command-line arguments, handling Windows variants
|
||||
|
||||
if not "%OS%" == "Windows_NT" goto win9xME_args
|
||||
|
||||
:win9xME_args
|
||||
@rem Slurp the command line arguments.
|
||||
set CMD_LINE_ARGS=
|
||||
set _SKIP=2
|
||||
|
||||
:win9xME_args_slurp
|
||||
if "x%~1" == "x" goto execute
|
||||
|
||||
set CMD_LINE_ARGS=%*
|
||||
|
||||
:execute
|
||||
@rem Setup the command line
|
||||
|
||||
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
|
||||
|
||||
@rem Execute Gradle
|
||||
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
|
||||
|
||||
:end
|
||||
@rem End local scope for the variables with windows NT shell
|
||||
if "%ERRORLEVEL%"=="0" goto mainEnd
|
||||
|
||||
:fail
|
||||
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
|
||||
rem the _cmd.exe /c_ return code!
|
||||
if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
|
||||
exit /b 1
|
||||
|
||||
:mainEnd
|
||||
if "%OS%"=="Windows_NT" endlocal
|
||||
|
||||
:omega
|
||||
2
settings.gradle
Normal file
@@ -0,0 +1,2 @@
|
||||
include ':app'
|
||||
rootProject.name='MyCalculator'
|
||||