第一次提交

chapter_12/MoonClassLoader/.gitignore

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

chapter_12/MoonClassLoader/app/.gitignore

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+/build

chapter_12/MoonClassLoader/app/build.gradle

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+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 25
+    buildToolsVersion "25.0.1"
+    defaultConfig {
+        applicationId "com.example.liuwangshu.moonclassloader"
+        minSdkVersion 15
+        targetSdkVersion 25
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    compile fileTree(dir: 'libs', include: ['*.jar'])
+    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
+        exclude group: 'com.android.support', module: 'support-annotations'
+    })
+    compile 'com.android.support:appcompat-v7:25.3.1'
+    compile 'com.android.support.constraint:constraint-layout:1.0.2'
+    testCompile 'junit:junit:4.12'
+}

chapter_12/MoonClassLoader/app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in C:\Users\Administrator.EIT-20160520RHS\AppData\Local\Android\Sdk/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# 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

chapter_12/MoonClassLoader/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.liuwangshu.moonclassloader">
+
+    <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>

chapter_12/MoonClassLoader/app/src/main/java/com/example/liuwangshu/moonclassloader/MainActivity.java

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+package com.example.liuwangshu.moonclassloader;
+
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.util.Log;
+
+public class MainActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+        ClassLoader loader = MainActivity.class.getClassLoader();
+        while (loader != null) {
+            Log.d("liuwangshu",loader.toString());
+            loader = loader.getParent();
+        }
+    }
+}

chapter_12/MoonClassLoader/app/src/main/res/layout/activity_main.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.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:context="com.example.liuwangshu.moonclassloader.MainActivity">
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Hello World!"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+</android.support.constraint.ConstraintLayout>

chapter_12/MoonClassLoader/app/src/main/res/values/colors.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#3F51B5</color>
+    <color name="colorPrimaryDark">#303F9F</color>
+    <color name="colorAccent">#FF4081</color>
+</resources>

chapter_12/MoonClassLoader/app/src/main/res/values/strings.xml

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+<resources>
+    <string name="app_name">MoonClassLoader</string>
+</resources>

chapter_12/MoonClassLoader/app/src/main/res/values/styles.xml

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+<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>

chapter_12/MoonClassLoader/build.gradle

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+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+
+buildscript {
+    repositories {
+        jcenter()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:2.3.2'
+
+        // NOTE: Do not place your application dependencies here; they belong
+        // in the individual module build.gradle files
+    }
+}
+
+allprojects {
+    repositories {
+        jcenter()
+    }
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}

chapter_12/MoonClassLoader/customclassloader/.gitignore

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+/build

chapter_12/MoonClassLoader/customclassloader/build.gradle

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+apply plugin: 'java'
+
+dependencies {
+    compile fileTree(dir: 'libs', include: ['*.jar'])
+}
+
+sourceCompatibility = "1.7"
+targetCompatibility = "1.7"

chapter_12/MoonClassLoader/customclassloader/src/main/java/com/example/ClassLoaderTest.java

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+package com.example;
+
+/**
+ * Created by Administrator on 2018/1/18 0018.
+ */
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+public class ClassLoaderTest {
+    public static void main(String[] args) {
+        DiskClassLoader diskClassLoader = new DiskClassLoader("D:\\lib");
+        try {
+            Class c = diskClassLoader.loadClass("com.example.Jobs");
+            if (c != null) {
+                try {
+                    Object obj = c.newInstance();
+                    System.out.println(obj.getClass().getClassLoader());
+                    Method method = c.getDeclaredMethod("say", null);
+                    method.invoke(obj, null);
+                } catch (InstantiationException | IllegalAccessException
+                        | NoSuchMethodException
+                        | SecurityException |
+                        IllegalArgumentException |
+                        InvocationTargetException e) {
+                    e.printStackTrace();
+                }
+            }
+        } catch (ClassNotFoundException e) {
+            e.printStackTrace();
+        }
+    }
+}