add component

app/build.gradle

@@ -26,7 +26,7 @@ dependencies {
     androidTestImplementation 'com.android.support.test:runner:1.0.2'
     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
 
-    compile 'com.google.dagger:dagger:2.22.1'
+    implementation 'com.google.dagger:dagger:2.22.1'
     annotationProcessor 'com.google.dagger:dagger-compiler:2.22.1'
 
 }

app/src/main/java/com/android/dagger/MainActivity.java

@@ -4,9 +4,10 @@ import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
 import android.util.Log;
 
-import com.android.dagger.component.DaggerAppleComponent;
+import com.android.dagger.component.DaggerAcomponent;
 import com.android.dagger.contract.Fruit;
 import com.android.dagger.entity.Apple;
+import com.android.dagger.entity.Banana;
 import com.android.dagger.entity.Orange;
 import com.android.dagger.module.AppleModule;
 
@@ -15,35 +16,46 @@ import javax.inject.Inject;
 public class MainActivity extends AppCompatActivity {
     public static final String TAG = MainActivity.class.getSimpleName();
     @Inject
-    public Fruit mFruit;
+    public Banana mBanana;
 
-    @Inject
-    public Apple mApple;
-
-    @Inject
-    public Orange mOrange;
+//    @Inject
+//    public Fruit mFruit;
+//
+//    @Inject
+//    public Apple mApple;
+//
+//    @Inject
+//    public Orange mOrange;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
-
+        //DaggerAcomponent.builder().bcomponent(n).inject(this);
+       //DaggerAcomponent.create().inject(this);
+        //DaggerAcomponent.builder().build().inject(this);
         //DaggerAppleComponent.create().inject(this);
-        DaggerAppleComponent.builder().appleModule(new AppleModule()).build().inject(this);
-        if(mFruit == null){
-            Log.v(TAG,"fruit is null");
-        }else{
-            Log.v(TAG,"fruit is not null");
-            Log.v(TAG, mFruit.getColor()+":"+mFruit.size);
-        }
-
-        if(mApple == null){
-            Log.v(TAG,"apple is null");
+        //DaggerAppleComponent.builder().appleModule(new AppleModule()).build().inject(this);
+//        if(mFruit == null){
+//            Log.v(TAG,"fruit is null");
+//        }else{
+//            Log.v(TAG,"fruit is not null");
+//            Log.v(TAG, mFruit.getColor()+":"+mFruit.size);
+//        }
+//
+//        if(mApple == null){
+//            Log.v(TAG,"apple is null");
+//        }else{
+//            Log.v(TAG,"apple is not null");
+//            Log.v(TAG, mApple.getColor()+":"+mApple.size);
+//        }
+//        Log.v(TAG, "orange:"+mOrange.getColor()+":"+mOrange.size);
+        if(mBanana == null){
+            Log.v("MYTAG","banana is null");
         }else{
-            Log.v(TAG,"apple is not null");
-            Log.v(TAG, mApple.getColor()+":"+mApple.size);
+            Log.v("MYTAG","banana is not null");
+            Log.v("MYTAG",mBanana.toString());
         }
-        Log.v(TAG, "orange:"+mOrange.getColor()+":"+mOrange.size);
     }
     public static void main(String[] args){
 

app/src/main/java/com/android/dagger/component/AppleComponent.java

-package com.android.dagger.component;
-
-import com.android.dagger.MainActivity;
-import com.android.dagger.module.AppleModule;
-import com.android.dagger.module.AppleModule1;
-import com.android.dagger.module.AppleModule2;
-
-import dagger.Component;
-
-/**
- * Description: <AppleComponent><br>
- * Author:      gxl<br>
- * Date:        2019/5/17<br>
- * Version:     V1.0.0<br>
- * Update:     <br>
- */
-@Component(modules = {AppleModule.class,AppleModule1.class,AppleModule2.class})
-public interface AppleComponent {
-    public void inject(MainActivity activity);
-}

app/src/main/java/com/android/dagger/component/Bcomponent.java

+package com.android.dagger.component;
+
+import com.android.dagger.entity.Banana;
+import com.android.dagger.module.BananaModule;
+
+import dagger.Component;
+import dagger.Provides;
+
+@Component(modules = {BananaModule.class})
+public interface Bcomponent {
+    public Banana banana();
+}

app/src/main/java/com/android/dagger/module/BananaModule.java

+package com.android.dagger.module;
+
+import com.android.dagger.entity.Banana;
+
+import dagger.Module;
+import dagger.Provides;
+
+@Module
+public class BananaModule {
+    @Provides
+    public Banana providerBanana(){
+        return new Banana(12,"hahah111111111111111222222222222222221");
+    }
+
+}