hzuapps#3 hzuapps#2686 第三次实验

soft1614080902403/App/.gitignore

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+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures
+.externalNativeBuild

soft1614080902403/App/app/.gitignore

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+/build

soft1614080902403/App/app/build.gradle

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+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 26
+    defaultConfig {
+        applicationId "com.example.administrator.ocrtools"
+        minSdkVersion 19
+        targetSdkVersion 26
+        versionCode 1
+        versionName "bg1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+    productFlavors {
+    }
+}
+
+dependencies {
+    implementation fileTree(include: ['*.jar'], dir: 'libs')
+    implementation 'com.android.support:appcompat-v7:26.1.0'
+    implementation 'com.android.support.constraint:constraint-layout:1.1.0'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'com.android.support.test:runner:1.0.2'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    api 'com.ashokvarma.android:bottom-navigation-bar:1.3.1'
+}

soft1614080902403/App/app/proguard-rules.pro

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+# 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

soft1614080902403/App/app/src/androidTest/java/com/example/administrator/ocrtools/ExampleInstrumentedTest.java

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+package com.example.administrator.ocrtools;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * 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() throws Exception {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getTargetContext();
+
+        assertEquals("com.example.administrator.ocrtools", appContext.getPackageName());
+    }
+}

soft1614080902403/App/app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.administrator.ocrtools">
+
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+
+    <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=".Soft1614080902403DefaultActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+        <activity android:name=".Content"></activity>
+    </application>
+
+</manifest>

soft1614080902403/App/app/src/main/java/com/example/administrator/ocrtools/CharacterUtils.java

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+package com.example.administrator.ocrtools;
+
+import java.util.Random;
+public class CharacterUtils {
+    //方法1：length为产生的位数
+    public static String getRandomString(int length){
+        //定义一个字符串（A-Z，a-z，0-9）即62位；
+        String str="zxcvbnmlkjhgfdsaqwertyuiopQWERTYUIOPASDFGHJKLZXCVBNM1234567890";
+        //由Random生成随机数
+        Random random=new Random();
+        StringBuffer sb=new StringBuffer();
+        //长度为几就循环几次
+        for(int i=0; i<length; ++i){
+            //产生0-61的数字
+            int number=random.nextInt(62);
+            //将产生的数字通过length次承载到sb中
+            sb.append(str.charAt(number));
+        }
+        //将承载的字符转换成字符串
+        return sb.toString();
+    }
+    /**
+     * 第二种方法
+     */
+    public static String getRandomString2(int length){
+        //产生随机数
+        Random random=new Random();
+        StringBuffer sb=new StringBuffer();
+        //循环length次
+        for(int i=0; i<length; i++){
+            //产生0-2个随机数，既与a-z，A-Z，0-9三种可能
+            int number=random.nextInt(3);
+            long result=0;
+            switch(number){
+                //如果number产生的是数字0；
+                case 0:
+                    //产生A-Z的ASCII码
+                    result=Math.round(Math.random()*25+65);
+                    //将ASCII码转换成字符
+                    sb.append(String.valueOf((char)result));
+                    break;
+                case 1:
+                    //产生a-z的ASCII码
+                    result=Math.round(Math.random()*25+97);
+                    sb.append(String.valueOf((char)result));
+                    break;
+                case 2:
+                    //产生0-9的数字
+                    sb.append(String.valueOf
+                            (new Random().nextInt(10)));
+                    break;
+            }
+        }
+        return sb.toString();
+    }
+    public static void main(String[] args) {
+        System.out.println(CharacterUtils.getRandomString(12));
+
+    }
+
+}

soft1614080902403/App/app/src/main/java/com/example/administrator/ocrtools/Content.java

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+package com.example.administrator.ocrtools;
+
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.widget.EditText;
+
+public class Content extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_content);
+
+        Bundle bundle = this.getIntent().getExtras();
+        String Result = bundle.getString("content");
+        ((EditText)findViewById(R.id.editText)).setText(Result);
+
+    }
+}

soft1614080902403/App/app/src/main/java/com/example/administrator/ocrtools/DBHelper.java

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+package com.example.administrator.ocrtools;
+
+import android.content.Context;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteOpenHelper;
+
+/**
+ * Created by Administrator on 2017/9/17.
+ */
+public class DBHelper  extends SQLiteOpenHelper {
+
+    public DBHelper(Context context, String name, SQLiteDatabase.CursorFactory factory, int version) {
+        super(context,name, factory, version);
+    }
+
+    public DBHelper(Context context, String name, int version) {
+        this(context, name, null, version);
+    }
+
+    public DBHelper(Context context, String name) {
+        this(context,name,1);
+    }
+
+    //数据库创建（初始化的时候被调用）
+    @Override
+    public void onCreate(SQLiteDatabase db) {
+        //执行语句创建表
+        String createTable ="create table personTest(id int,name varchar(10))";
+        db.execSQL(createTable);
+    }
+
+    //数据库更新的时候被调用
+    @Override
+    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+    }
+}