1 files changed, 77 insertions, 0 deletions
diff --git a/simpleperf/demo/SimpleperfExampleJava/app/src/main/java/simpleperf/example/java/MultiProcessActivity.java b/simpleperf/demo/SimpleperfExampleJava/app/src/main/java/simpleperf/example/java/MultiProcessActivity.java
new file mode 100644
index 00000000..25dc7965
--- /dev/null
+++ b/simpleperf/demo/SimpleperfExampleJava/app/src/main/java/simpleperf/example/java/MultiProcessActivity.java
@@ -0,0 +1,77 @@
+package simpleperf.example.java;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.ServiceConnection;
+import android.os.Bundle;
+import android.os.IBinder;
+import android.os.Message;
+import android.os.Messenger;
+import android.os.RemoteException;
+import android.util.Log;
+
+public class MultiProcessActivity extends AppCompatActivity {
+    public static final String TAG = "MultiProcessActivity";
+    Messenger mService = null;
+    boolean mBound;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_multi_process);
+        bindService(new Intent(this, MultiProcessService.class), mConnection,
+                Context.BIND_AUTO_CREATE);
+        createBusyThread();
+    }
+
+    private ServiceConnection mConnection = new ServiceConnection() {
+        @Override
+        public void onServiceConnected(ComponentName componentName, IBinder iBinder) {
+            mService = new Messenger(iBinder);
+            mBound = true;
+            Message message = new Message();
+            message.what = MultiProcessService.MSG_START_BUSY_THREAD;
+            try {
+                mService.send(message);
+            } catch (RemoteException e) {
+                Log.d(TAG, e.toString());
+            }
+        }
+
+        @Override
+        public void onServiceDisconnected(ComponentName componentName) {
+            mService = null;
+            mBound = false;
+        }
+    };
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+
+        if (mBound) {
+            unbindService(mConnection);
+            mBound = false;
+        }
+    }
+
+    void createBusyThread() {
+        new Thread(new Runnable() {
+            volatile int i = 0;
+
+            @Override
+            public void run() {
+                while (true) {
+                    i = callFunction(i);
+                }
+            }
+
+            private int callFunction(int a) {
+                return a+1;
+            }
+        }, "BusyThread").start();
+    }
+}
+\ No newline at end of file