添加编译Libary

app/build.gradle

@@ -10,6 +10,14 @@ android {
         versionCode 1
         versionName "1.0"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+
+        javaCompileOptions {
+            annotationProcessorOptions {
+                arguments = [testParam: 'I am diaobaole']
+                includeCompileClasspath true
+                classNames  = ["com.example.ioc_compiler.IocProcessor"]
+            }
+        }
     }
     buildTypes {
         release {
@@ -63,5 +71,7 @@ dependencies {
     compile 'com.android.support:design:25.3.1'
 
     compile 'com.luffykou:android-common-utils:1.1.3'
+    compile project(':ioc-api')
+    annotationProcessor project(':ioc-compiler')
 
 }

app/src/main/java/tiger/com/lp/dailydemo/ui/ObserverActivity.java

@@ -7,6 +7,10 @@
 import android.view.View;
 import android.widget.TextView;
 
+import com.example.ico_annotation.BindView;
+import com.example.ico_annotation.ContentView;
+import com.example.ioc_apu.ViewInjector;
+
 import tiger.com.lp.dailydemo.R;
 import tiger.com.lp.dailydemo.designpatterns.observer.ActivityController;
 import tiger.com.lp.dailydemo.designpatterns.observer.BaseModel;
@@ -23,19 +27,19 @@
  * @description
  */
 
+@ContentView(R.layout.activity_observer)
 public class ObserverActivity extends Activity{
     private ActivityController activityController;
     private DemoObserver demoObserver;
 
-    private ObserverTextView info;
+    @BindView(R.id.info_ob)
+    public ObserverTextView info;
 
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
-        setContentView(R.layout.activity_observer);
-        info = findViewById(R.id.info);
-
+        ViewInjector.injectView(this);
         findViewById(R.id.button).setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {

app/src/main/res/layout/activity_observer.xml

@@ -11,7 +11,7 @@
 
 
     <tiger.com.lp.dailydemo.designpatterns.observer.concrete.ObserverTextView
-        android:id="@+id/info"
+        android:id="@+id/info_ob"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:textSize="40sp"

build.gradle

@@ -3,6 +3,7 @@
 buildscript {
     repositories {
         jcenter()
+        google()
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:2.3.3'
@@ -18,6 +19,7 @@ allprojects {
     repositories {
         jcenter()
         mavenCentral()
+        google()
     }
 }
 

ico-annotation/.gitignore

@@ -0,0 +1 @@
+/build

ico-annotation/build.gradle

@@ -0,0 +1,8 @@
+apply plugin: 'java-library'
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+}
+
+sourceCompatibility = "1.7"
+targetCompatibility = "1.7"

ico-annotation/src/main/java/com/example/ico_annotation/BindView.java

@@ -0,0 +1,12 @@
+package com.example.ico_annotation;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Retention(RetentionPolicy.CLASS)
+@Target(ElementType.FIELD)
+public @interface BindView {
+    int value();
+}

ico-annotation/src/main/java/com/example/ico_annotation/ContentView.java

@@ -0,0 +1,17 @@
+package com.example.ico_annotation;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ *
+ *      绑定ContentView的注解
+ */
+
+@Target(ElementType.TYPE)
+@Retention(RetentionPolicy.CLASS)
+public @interface ContentView {
+    int value();
+}

ioc-api/.gitignore

@@ -0,0 +1 @@
+/build

ioc-api/build.gradle

@@ -0,0 +1,36 @@
+apply plugin: 'com.android.library'
+
+android {
+    compileSdkVersion 27
+    buildToolsVersion "27.0.3"
+
+
+    defaultConfig {
+        minSdkVersion 15
+        targetSdkVersion 27
+        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'])
+    compile 'com.android.support:appcompat-v7:27.1.1'
+    testCompile 'junit:junit:4.12'
+    androidTestCompile('com.android.support.test.espresso:espresso-core:3.0.2', {
+        exclude group: 'com.android.support', module: 'support-annotations'
+    })
+
+    compile project(':ico-annotation')
+
+}

ioc-api/proguard-rules.pro

@@ -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

ioc-api/src/androidTest/java/com/example/ioc_apu/ExampleInstrumentedTest.java

@@ -0,0 +1,26 @@
+package com.example.ioc_apu;
+
+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() {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getTargetContext();
+
+        assertEquals("com.example.ioc_apu.test", appContext.getPackageName());
+    }
+}

ioc-api/src/main/AndroidManifest.xml

@@ -0,0 +1,2 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.ioc_apu" />

ioc-api/src/main/java/com/example/ioc_apu/ViewInject.java

@@ -0,0 +1,10 @@
+package com.example.ioc_apu;
+
+/**
+ *
+ *      注入接口
+ */
+
+public interface ViewInject<T> {
+    void inject(T target, Object source);
+}

ioc-api/src/main/java/com/example/ioc_apu/ViewInjector.java

@@ -0,0 +1,43 @@
+package com.example.ioc_apu;
+
+import android.app.Activity;
+import android.view.View;
+
+/**
+ * Created by li.zhipeng on 2017/3/17.
+ *
+ *      提供注入的静态方法，间接调用了io-complier的编译生成的类方法
+ */
+
+public class ViewInjector {
+
+    private static final String SUFFIX = "$$ViewInject";
+
+    public static void injectView(Activity activity) {
+        ViewInject proxyActivity = findProxyActivity(activity);
+        proxyActivity.inject(activity, activity);
+    }
+
+    public static void injectView(Object object, View view) {
+        ViewInject proxyActivity = findProxyActivity(object);
+        proxyActivity.inject(object, view);
+    }
+
+    /**
+     * 通过反射创建要使用的类的对象
+     * */
+    private static ViewInject findProxyActivity(Object activity) {
+        try {
+            Class<?> clazz = activity.getClass();
+            Class<?> injectorClazz = Class.forName(clazz.getName() + SUFFIX);
+            return (ViewInject) injectorClazz.newInstance();
+        } catch (ClassNotFoundException e) {
+            e.printStackTrace();
+        } catch (InstantiationException e) {
+            e.printStackTrace();
+        } catch (IllegalAccessException e) {
+            e.printStackTrace();
+        }
+        throw new RuntimeException(String.format("can not find %s , something when compiler.", activity.getClass().getSimpleName() + SUFFIX));
+    }
+}

ioc-api/src/main/res/values/strings.xml

@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">ioc-apu</string>
+</resources>

ioc-api/src/test/java/com/example/ioc_apu/ExampleUnitTest.java

@@ -0,0 +1,17 @@
+package com.example.ioc_apu;
+
+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);
+    }
+}

ioc-compiler/.gitignore

@@ -0,0 +1 @@
+/build

ioc-compiler/build.gradle

@@ -0,0 +1,14 @@
+apply plugin: 'java-library'
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+
+    // auto-service库可以帮我们去生成META-INF等信息。
+    compile 'com.google.auto.service:auto-service:1.0-rc2'
+    implementation project(':ico-annotation')
+    // 如果找不到javax包，可以直接引入本地jdk的jar包
+    compile files ('/Library/Java/JavaVirtualMachines/jdk1.8.0_91.jdk/Contents/Home/jre/lib/rt.jar')
+
+    targetCompatibility = '1.7'
+    sourceCompatibility = '1.7'
+}

ioc-compiler/src/main/java/com/example/ioc_compiler/ClassValidator.java

@@ -0,0 +1,30 @@
+package com.example.ioc_compiler;
+
+import javax.lang.model.element.Element;
+import javax.lang.model.element.Modifier;
+import javax.lang.model.element.TypeElement;
+
+/**
+ *
+ *      类的工具类
+ */
+
+public class ClassValidator {
+
+    /**
+     * 判断是否是private修饰
+     * */
+    static boolean isPrivate(Element annotatedClass){
+        return annotatedClass.getModifiers().contains(Modifier.PRIVATE);
+
+    }
+
+    /**
+     * 获取类的完整路径
+     * */
+    static String getClassName(TypeElement type, String packageName){
+        int packageLen = packageName.length() + 1;
+        return type.getQualifiedName().toString().substring(packageLen).replace(".", "$");
+    }
+
+}