(自认为)优雅的支持跨进程的单例实现机制(toolbox + sample)

app/build.gradle

@@ -27,6 +27,8 @@ dependencies {
     compile 'com.android.support:recyclerview-v7:22.1.1'
     compile 'com.facebook.fresco:fresco:0.6.1'
     compile 'com.tencent.bugly:crashreport:1.2.3.8'
+    /** ButterKnife */
+    compile 'com.jakewharton:butterknife:7.0.1'
 }
 
 /** Bugly Crash上报相关配置 */

app/src/main/AndroidManifest.xml

@@ -20,11 +20,6 @@
         <activity
             android:name=".MainActivity"
             android:label="@string/app_name">
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN" />
-
-                <category android:name="android.intent.category.LAUNCHER" />
-            </intent-filter>
         </activity>
         <activity android:name=".sample.SampleActivity" />
         <activity android:name=".demos.DemosIndexActivity" />
@@ -65,6 +60,25 @@
                 <action android:name="playground.android.me.sr1.androidplayground.demos.service.MAIN_PROCESS_SERVICE_WITH_INTENT_FILTER" />
             </intent-filter>
         </service>
+        <service android:name=".sample.mutilprocess.processA.ServiceA" />
+        <activity android:name=".sample.mutilprocess.processA.ActivityA" >
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+        <service android:name=".sample.mutilprocess.processA.ServiceA" />
+
+        <activity android:name=".sample.mutilprocess.processB.ActivityB"
+            android:process=":B" />
+        <service android:name=".sample.mutilprocess.processB.ServiceB"
+            android:process=":B" />
+
+        <activity android:name=".sample.mutilprocess.processC.ActivityC"
+            android:process=":C" />
+        <service android:name=".sample.mutilprocess.processC.ServiceC"
+            android:process=":C" />
     </application>
 
 </manifest>

app/src/main/aidl/playground/android/me/sr1/androidplayground/sample/mutilprocess/processA/SingletonA.aidl

@@ -0,0 +1,5 @@
+package playground.android.me.sr1.androidplayground.sample.mutilprocess.processA;
+
+interface SingletonA {
+    void invokeA(String aString);
+}

app/src/main/aidl/playground/android/me/sr1/androidplayground/sample/mutilprocess/processB/SingletonB.aidl

@@ -0,0 +1,5 @@
+package playground.android.me.sr1.androidplayground.sample.mutilprocess.processB;
+
+interface SingletonB {
+    void invokeB(String aString);
+}

app/src/main/aidl/playground/android/me/sr1/androidplayground/sample/mutilprocess/processC/SingletonC.aidl

@@ -0,0 +1,5 @@
+package playground.android.me.sr1.androidplayground.sample.mutilprocess.processC;
+
+interface SingletonC {
+    void invokeC(String aString);
+}

app/src/main/aidl/playground/android/me/sr1/androidplayground/toolbox/component/mutilprocess/singleton/InstanceCarrier.aidl

@@ -0,0 +1,3 @@
+package playground.android.me.sr1.androidplayground.toolbox.component.mutilprocess.singleton;
+
+parcelable InstanceCarrier;

app/src/main/aidl/playground/android/me/sr1/androidplayground/toolbox/component/mutilprocess/singleton/InstanceTransfer.aidl

@@ -0,0 +1,7 @@
+package playground.android.me.sr1.androidplayground.toolbox.component.mutilprocess.singleton;
+
+import playground.android.me.sr1.androidplayground.toolbox.component.mutilprocess.singleton.InstanceCarrier;
+
+interface InstanceTransfer {
+    InstanceCarrier transfer();
+}

app/src/main/java/playground/android/me/sr1/androidplayground/sample/mutilprocess/processA/ActivityA.java

@@ -0,0 +1,105 @@
+package playground.android.me.sr1.androidplayground.sample.mutilprocess.processA;
+
+import android.content.Context;
+import android.content.Intent;
+import android.os.*;
+import android.support.v7.app.AppCompatActivity;
+import android.util.Log;
+import android.widget.Button;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import butterknife.Bind;
+import butterknife.ButterKnife;
+import butterknife.OnClick;
+import playground.android.me.sr1.androidplayground.App;
+import playground.android.me.sr1.androidplayground.R;
+import playground.android.me.sr1.androidplayground.sample.mutilprocess.processB.ActivityB;
+import playground.android.me.sr1.androidplayground.sample.mutilprocess.processB.ServiceB;
+import playground.android.me.sr1.androidplayground.sample.mutilprocess.processB.SingletonBImp;
+import playground.android.me.sr1.androidplayground.sample.mutilprocess.processC.ServiceC;
+import playground.android.me.sr1.androidplayground.sample.mutilprocess.processC.SingletonCImp;
+import playground.android.me.sr1.androidplayground.toolbox.component.mutilprocess.singleton.InstanceReceiver;
+import playground.android.me.sr1.androidplayground.toolbox.utils.AppUtils;
+
+/**
+ * @author SR1s
+ */
+public class ActivityA extends AppCompatActivity {
+
+    private static String TAG = "ActivityA";
+
+    @Bind(R.id.textView1) TextView mTextView1;
+
+    @Bind(R.id.button0) Button mBtn0;
+
+    @Bind(R.id.button1) Button mBtn1;
+
+    @Bind(R.id.button2) Button mBtn2;
+
+    @Bind(R.id.button3) Button mBtn3;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_abc);
+        ButterKnife.bind(this);
+
+        mTextView1.setText("这里是主进程A");
+        mBtn0.setText("启动进程B");
+        mBtn1.setText("调用本主进程A的方法)");
+        mBtn2.setText("调用其他进程B的方法");
+        mBtn3.setText("调用其他进程C的方法");
+
+        /** 把其他进程的单例绑定过来 */
+        bindService(ServiceB.class);
+        bindService(ServiceC.class);
+    }
+
+    void bindService(Class<?> clz) {
+        Intent intent = new Intent(this, clz);
+        bindService(intent, new InstanceReceiver(), Context.BIND_AUTO_CREATE);
+    }
+
+    @OnClick(R.id.button0)
+    void startActivty() {
+        Intent intent = new Intent(this, ActivityB.class);
+        startActivity(intent);
+    }
+
+    @OnClick(R.id.button1)
+    void invokeAInstance() {
+        try {
+            Log.i(TAG, String.format("[%s][invokeA][pid=%d][tid=%d]", AppUtils.currentProcessName(),
+                    android.os.Process.myPid(), android.os.Process.myTid()));
+            SingletonAImp.getInstance().invokeA(AppUtils.currentProcessName());
+            Toast.makeText(App.getContext(), "调用A单例方法", Toast.LENGTH_SHORT).show();
+        } catch (Exception e) {
+            Log.e(TAG, "[invokeA][fail]", e);
+        }
+    }
+
+    @OnClick(R.id.button2)
+    void invokeBInstance() {
+        try {
+            Log.i(TAG, String.format("[%s][invokeB][pid=%d][tid=%d]", AppUtils.currentProcessName(),
+                    android.os.Process.myPid(), android.os.Process.myTid()));
+            SingletonBImp.getInstance().invokeB(AppUtils.currentProcessName());
+            Toast.makeText(App.getContext(), "调用B单例方法", Toast.LENGTH_SHORT).show();
+        } catch (Exception e) {
+            Log.e(TAG, "[invokeB][fail]", e);
+        }
+    }
+
+    @OnClick(R.id.button3)
+    void invokeCInstance() {
+        try {
+            Log.i(TAG, String.format("[%s][invokeC][pid=%d][tid=%d]", AppUtils.currentProcessName(),
+                    android.os.Process.myPid(), android.os.Process.myTid()));
+            SingletonCImp.getInstance().invokeC(AppUtils.currentProcessName());
+            Toast.makeText(App.getContext(), "调用单例C方法", Toast.LENGTH_SHORT).show();
+        } catch (Exception e) {
+            Log.e(TAG, "[invoke][fail]", e);
+        }
+    }
+}

app/src/main/java/playground/android/me/sr1/androidplayground/sample/mutilprocess/processA/ServiceA.java

@@ -0,0 +1,8 @@
+package playground.android.me.sr1.androidplayground.sample.mutilprocess.processA;
+
+import playground.android.me.sr1.androidplayground.toolbox.component.mutilprocess.singleton.BaseService;
+
+/**
+ * @author SR1s
+ */
+public class ServiceA extends BaseService {}

app/src/main/java/playground/android/me/sr1/androidplayground/sample/mutilprocess/processA/SingletonAImp.java

@@ -0,0 +1,56 @@
+package playground.android.me.sr1.androidplayground.sample.mutilprocess.processA;
+
+import android.content.Context;
+import android.content.Intent;
+import android.os.*;
+import android.os.Process;
+import android.util.Log;
+import android.widget.Toast;
+
+import playground.android.me.sr1.androidplayground.App;
+import playground.android.me.sr1.androidplayground.sample.mutilprocess.utils.MainThreadUtils;
+import playground.android.me.sr1.androidplayground.sample.mutilprocess.utils.ProcessUtils;
+import playground.android.me.sr1.androidplayground.toolbox.component.mutilprocess.singleton.InstanceReceiver;
+import playground.android.me.sr1.androidplayground.toolbox.utils.AppUtils;
+
+/**
+ * @author SR1s
+ */
+public class SingletonAImp extends SingletonA.Stub {
+
+    public static SingletonA INSTANCE;
+
+    public static synchronized SingletonA getInstance() {
+        if (ProcessUtils.isProcessA()) {
+            if (INSTANCE == null) {
+                INSTANCE = new SingletonAImp();
+            }
+            return INSTANCE;
+        } else {
+            if (INSTANCE == null) {
+                /** 自发重连 */
+                Intent intent = new Intent(App.getContext(), ServiceA.class);
+                App.getContext().bindService(intent, new InstanceReceiver(), Context.BIND_AUTO_CREATE);
+            }
+            return INSTANCE;
+        }
+    }
+
+    private SingletonAImp() {}
+
+    public static final String TAG = "SingletonAImp";
+
+    @Override
+    public void invokeA(final String aString) throws RemoteException {
+        MainThreadUtils.runOnMainThread(new Runnable() {
+            @Override
+            public void run() {
+                Toast.makeText(App.getContext(),
+                        String.format("[SingletonA]\n[调用进程:%s]\n[执行进程:%s]\n", aString, AppUtils.currentProcessName()),
+                        Toast.LENGTH_SHORT).show();
+            }
+        });
+        Log.i(TAG, String.format("[%s][invokeA][pid=%d][tid=%d]",
+                aString, android.os.Process.myPid(), Process.myTid()));
+    }
+}

app/src/main/java/playground/android/me/sr1/androidplayground/sample/mutilprocess/processB/ActivityB.java

@@ -0,0 +1,105 @@
+package playground.android.me.sr1.androidplayground.sample.mutilprocess.processB;
+
+import android.content.Context;
+import android.content.Intent;
+import android.os.*;
+import android.support.v7.app.AppCompatActivity;
+import android.util.Log;
+import android.widget.Button;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import butterknife.Bind;
+import butterknife.ButterKnife;
+import butterknife.OnClick;
+import playground.android.me.sr1.androidplayground.App;
+import playground.android.me.sr1.androidplayground.R;
+import playground.android.me.sr1.androidplayground.sample.mutilprocess.processA.ServiceA;
+import playground.android.me.sr1.androidplayground.sample.mutilprocess.processA.SingletonAImp;
+import playground.android.me.sr1.androidplayground.sample.mutilprocess.processC.ActivityC;
+import playground.android.me.sr1.androidplayground.sample.mutilprocess.processC.ServiceC;
+import playground.android.me.sr1.androidplayground.sample.mutilprocess.processC.SingletonCImp;
+import playground.android.me.sr1.androidplayground.toolbox.component.mutilprocess.singleton.InstanceReceiver;
+import playground.android.me.sr1.androidplayground.toolbox.utils.AppUtils;
+
+/**
+ * @author SR1s
+ */
+public class ActivityB extends AppCompatActivity {
+
+    private static String TAG = "ActivityB";
+
+    @Bind(R.id.textView1) TextView mTextView1;
+
+    @Bind(R.id.button0) Button mBtn0;
+
+    @Bind(R.id.button1) Button mBtn1;
+
+    @Bind(R.id.button2) Button mBtn2;
+
+    @Bind(R.id.button3) Button mBtn3;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_abc);
+        ButterKnife.bind(this);
+
+        mTextView1.setText("这里是进程B");
+        mBtn0.setText("启动进程C");
+        mBtn1.setText("调用主进程A的方法)");
+        mBtn2.setText("调用本进程B的方法");
+        mBtn3.setText("调用其他进程C的方法");
+
+        /** 把其他进程的单例绑定过来 */
+        bindService(ServiceA.class);
+        bindService(ServiceC.class);
+    }
+
+    void bindService(Class<?> clz) {
+        Intent intent = new Intent(this, clz);
+        bindService(intent, new InstanceReceiver(), Context.BIND_AUTO_CREATE);
+    }
+
+    @OnClick(R.id.button0)
+    void startActivty() {
+        Intent intent = new Intent(this, ActivityC.class);
+        startActivity(intent);
+    }
+
+    @OnClick(R.id.button1)
+    void invokeAInstance() {
+        try {
+            Log.i(TAG, String.format("[%s][invokeA][pid=%d][tid=%d]", AppUtils.currentProcessName(),
+                    android.os.Process.myPid(), android.os.Process.myTid()));
+            SingletonAImp.getInstance().invokeA(AppUtils.currentProcessName());
+            Toast.makeText(App.getContext(), "调用A单例方法", Toast.LENGTH_SHORT).show();
+        } catch (Exception e) {
+            Log.e(TAG, "[invokeA][fail]", e);
+        }
+    }
+
+    @OnClick(R.id.button2)
+    void invokeBInstance() {
+        try {
+            Log.i(TAG, String.format("[%s][invokeB][pid=%d][tid=%d]", AppUtils.currentProcessName(),
+                    android.os.Process.myPid(), android.os.Process.myTid()));
+            SingletonBImp.getInstance().invokeB(AppUtils.currentProcessName());
+            Toast.makeText(App.getContext(), "调用B单例方法", Toast.LENGTH_SHORT).show();
+        } catch (Exception e) {
+            Log.e(TAG, "[invokeB][fail]", e);
+        }
+    }
+
+    @OnClick(R.id.button3)
+    void invokeCInstance() {
+        try {
+            Log.i(TAG, String.format("[%s][invokeC][pid=%d][tid=%d]", AppUtils.currentProcessName(),
+                    android.os.Process.myPid(), android.os.Process.myTid()));
+            SingletonCImp.getInstance().invokeC(AppUtils.currentProcessName());
+            Toast.makeText(App.getContext(), "调用单例C方法", Toast.LENGTH_SHORT).show();
+        } catch (Exception e) {
+            Log.e(TAG, "[invoke][fail]", e);
+        }
+    }
+}

app/src/main/java/playground/android/me/sr1/androidplayground/sample/mutilprocess/processB/ServiceB.java

@@ -0,0 +1,8 @@
+package playground.android.me.sr1.androidplayground.sample.mutilprocess.processB;
+
+import playground.android.me.sr1.androidplayground.toolbox.component.mutilprocess.singleton.BaseService;
+
+/**
+ * @author SR1s
+ */
+public class ServiceB extends BaseService {}