Added volume control

app/src/main/java/com/stardust/scriptdroid/service/AccessibilityWatchDogService.java

@@ -69,7 +69,7 @@ public class AccessibilityWatchDogService extends AccessibilityService {
     }
 
     @Override
-    public synchronized void onAccessibilityEvent(AccessibilityEvent event) {
+    public void onAccessibilityEvent(AccessibilityEvent event) {
         Log.v(TAG, "onAccessibilityEvent: " + event);
         synchronized (mDelegates) {
             for (Map.Entry<Integer, AccessibilityDelegate> entry : mDelegates.entrySet()) {

app/src/main/java/com/stardust/scriptdroid/service/VolumeChangeListenService.java

@@ -0,0 +1,86 @@
+package com.stardust.scriptdroid.service;
+
+import android.app.Service;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.os.IBinder;
+import android.support.annotation.Nullable;
+
+import com.stardust.scriptdroid.Pref;
+import com.stardust.scriptdroid.external.notification.record.ActionRecordSwitchHandleService;
+import com.stardust.scriptdroid.record.AccessibilityRecorderDelegate;
+
+import java.lang.ref.WeakReference;
+
+import static com.stardust.scriptdroid.external.notification.record.ActionRecordSwitchView.STOPPED;
+
+/**
+ * Created by Stardust on 2017/2/16.
+ */
+
+public class VolumeChangeListenService extends Service {
+
+    private static final String ACTION_VOLUME_CHANGE = "android.media.VOLUME_CHANGED_ACTION";
+
+    private VolumeChangeReceiver mVolumeChangeReceiver;
+    private static WeakReference<VolumeChangeListenService> instance;
+
+    public static void stopServiceIfNeeded() {
+        if (instance != null || instance.get() != null) {
+            instance.get().stopSelf();
+        }
+    }
+
+    public static void startServiceIfNeeded(Context context) {
+        if (Pref.isRecordVolumeControlEnable() && (instance == null || instance.get() == null)) {
+            context.startService(new Intent(context, VolumeChangeListenService.class));
+        }
+    }
+
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+        if (instance != null && instance.get() != null) {
+            instance.get().stopSelf();
+        }
+        instance = new WeakReference<>(this);
+        mVolumeChangeReceiver = new VolumeChangeReceiver();
+        registerReceiver(mVolumeChangeReceiver, new IntentFilter(ACTION_VOLUME_CHANGE));
+    }
+
+    @Nullable
+    @Override
+    public IBinder onBind(Intent intent) {
+        return null;
+    }
+
+    @Override
+    public void onDestroy() {
+        super.onDestroy();
+        unregisterReceiver(mVolumeChangeReceiver);
+    }
+
+    private class VolumeChangeReceiver extends BroadcastReceiver {
+
+        private long mLastChangeMillis;
+
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            if (intent.getAction().equals(ACTION_VOLUME_CHANGE)) {
+                if (System.currentTimeMillis() - mLastChangeMillis < 400) {
+                    return;
+                }
+                mLastChangeMillis = System.currentTimeMillis();
+                if (AccessibilityRecorderDelegate.getInstance().getState() == STOPPED) {
+                    ActionRecordSwitchHandleService.startRecord(VolumeChangeListenService.this);
+                } else {
+                    ActionRecordSwitchHandleService.stopRecord(VolumeChangeListenService.this);
+                }
+            }
+        }
+    }
+
+}