感覺可以work 應該

app/src/main/AndroidManifest.xml

@@ -44,6 +44,7 @@
                 android:exported="true"/>
 
         <activity
+                android:parentActivityName=".MainActivity"
                 android:name=".DeviceOperatorActivity"/>
 
     </application>

app/src/main/java/org/prlab/idic/privacypolicy/DeviceOperatorActivity.java

@@ -14,6 +14,7 @@ import android.widget.*;
 import org.prlab.idic.privacypolicy.adapter.MessageRecyclerViewAdapter;
 import org.prlab.idic.privacypolicy.ble.BLECustomScript;
 import org.prlab.idic.privacypolicy.pojo.Message;
+import org.prlab.idic.privacypolicy.schedule.Schedulable;
 import org.prlab.idic.privacypolicy.storage.PrivacyPolicyStorageImpl;
 import org.prlab.idic.privacypolicy.tool.BaseUtils;
 
@@ -35,7 +36,7 @@ public class DeviceOperatorActivity extends AppCompatActivity {
 
     private TextView mMessageBarTextView;
     private EditText mTemperatureEditText;
-    private Button mTemperatureButton;
+    private ImageButton mTemperatureButton;
     private Switch mAirPurifierSwitch;
     private RecyclerView.Adapter mMessageRecyclerViewAdapter;
 
@@ -61,7 +62,7 @@ public class DeviceOperatorActivity extends AppCompatActivity {
     private void initView() {
         mMessageBarTextView = (TextView) findViewById(R.id.text_operation_message_bar);
         mTemperatureEditText = (EditText) findViewById(R.id.edit_operation_current_temperature);
-        mTemperatureButton = (Button) findViewById(R.id.button_operation_send_temperature);
+        mTemperatureButton = (ImageButton) findViewById(R.id.button_operation_send_temperature);
         mTemperatureButton.setOnClickListener(mTemperatureClickedListener);
 
         mAirPurifierSwitch = (Switch) findViewById(R.id.switch_operation_air_purifier);
@@ -113,6 +114,8 @@ public class DeviceOperatorActivity extends AppCompatActivity {
         }
     };
 
+    private List<Schedulable> mPermissionSettingQueue = new LinkedList<>();
+
     private BLECustomScript mBLECustomScript = new BLECustomScript() {
 
         int expectedSuccessValue = 0;
@@ -176,8 +179,17 @@ public class DeviceOperatorActivity extends AppCompatActivity {
             });
         }
 
+        private boolean settingPermission() {
+            if (mPermissionSettingQueue.size() > 0) {
+                Log.i(TAG, "Continue to work.");
+                mPermissionSettingQueue.remove(0).work();
+                return false;
+            }
+            return true;
+        }
+
         @Override
-        public void onDiscoverServiceCompleted(BluetoothGatt gatt) {
+        public void onDiscoverServiceCompleted(final BluetoothGatt gatt) {
             expectedSuccessValue = 0;
             successValue = 0;
 
@@ -187,33 +199,44 @@ public class DeviceOperatorActivity extends AppCompatActivity {
                 layerUUIDs.add(String.valueOf(service.getUuid()));
                 //Write service layer selection
                 int selection = mPolicyStorage.get(layerUUIDs);
-                if (selection != -1) {
-                    BluetoothGattCharacteristic characteristic = service.getCharacteristic(PRIVACY_POLICY_ACCEPT_UUID);
-                    if (characteristic != null) {
-                        characteristic.setValue(BaseUtils.int2Bytes(selection));
-                        Log.i(TAG, Arrays.toString(BaseUtils.int2Bytes(selection)));
-                        gatt.writeCharacteristic(characteristic);
-                        expectedSuccessValue++;
-                        addMessage("Policy Setting", "Set " + BaseUtils.stringList2ArrayString(layerUUIDs) + " to " + selection + ".");
-                    }
+                if (selection == -1) selection = 0;
+                final BluetoothGattCharacteristic characteristic = service.getCharacteristic(PRIVACY_POLICY_ACCEPT_UUID);
+                if (characteristic != null) {
+                    final int finalSelection = selection;
+                    mPermissionSettingQueue.add(new Schedulable() {
+                        @Override
+                        public void work() {
+                            characteristic.setValue(BaseUtils.int2Bytes(finalSelection));
+                            Log.i(TAG, Arrays.toString(BaseUtils.int2Bytes(finalSelection)));
+                            gatt.writeCharacteristic(characteristic);
+                            expectedSuccessValue++;
+                        }
+                    });
+                    addMessage("Policy Setting", "Set " + BaseUtils.stringList2ArrayString(layerUUIDs) + " to " + selection + ".");
                 }
-                for (BluetoothGattCharacteristic characteristic : service.getCharacteristics()) {
-                    layerUUIDs.add(String.valueOf(characteristic.getUuid()));
+                for (BluetoothGattCharacteristic characteristic2 : service.getCharacteristics()) {
+                    layerUUIDs.add(String.valueOf(characteristic2.getUuid()));
                     //Write characteristic layer selection
                     selection = mPolicyStorage.get(layerUUIDs);
-                    if (selection != -1) {
-                        BluetoothGattDescriptor descriptor = characteristic.getDescriptor(PRIVACY_POLICY_ACCEPT_UUID);
-                        if (descriptor != null) {
-                            descriptor.setValue(BaseUtils.int2Bytes(selection));
-                            Log.i(TAG, Arrays.toString(BaseUtils.int2Bytes(selection)));
-                            gatt.writeDescriptor(descriptor);
-                            expectedSuccessValue++;
-                            addMessage("Policy Setting", "Set " + BaseUtils.stringList2ArrayString(layerUUIDs) + " to " + selection + ".");
-                        }
+                    if (selection == -1) selection = 0;
+                    final BluetoothGattDescriptor descriptor = characteristic2.getDescriptor(PRIVACY_POLICY_ACCEPT_UUID);
+                    if (descriptor != null) {
+                        final int finalSelection1 = selection;
+                        mPermissionSettingQueue.add(new Schedulable() {
+                            @Override
+                            public void work() {
+                                descriptor.setValue(BaseUtils.int2Bytes(finalSelection1));
+                                Log.i(TAG, Arrays.toString(BaseUtils.int2Bytes(finalSelection1)));
+                                gatt.writeDescriptor(descriptor);
+                                expectedSuccessValue++;
+                            }
+                        });
+                        addMessage("Policy Setting", "Set " + BaseUtils.stringList2ArrayString(layerUUIDs) + " to " + selection + ".");
                     }
                     layerUUIDs.remove(layerUUIDs.size() - 1);
                 }
             }
+            settingPermission();
         }
 
         @Override
@@ -223,16 +246,14 @@ public class DeviceOperatorActivity extends AppCompatActivity {
                 List<String> layerUUIDs = new LinkedList<>();
                 layerUUIDs.add(characteristic.getService().getUuid().toString());
                 addMessage("Policy Setting",
-                        "Set " + BaseUtils.stringList2ArrayString(layerUUIDs) +
-                                (status == GATT_SUCCESS ? " success" : " failure") + " .");
-                requestServices();
+                        "Set " + BaseUtils.stringList2ArrayString(layerUUIDs) + (status == GATT_SUCCESS ? " success" : " failure") + " .");
+                if (settingPermission())
+                    requestServices();
             } else if (TEMPERATURE_UUID.equals(characteristic.getUuid())) {
-                addMessage("Temperature Setting",
-                        "Set " + BaseUtils.bytesToInt(values) + " to air conditioning.");
+                addMessage("Temperature Setting", "Set " + BaseUtils.bytesToInt(values) + " to the air conditioning.");
                 requestTemperature();
             } else if (AIR_UUID.equals(characteristic.getUuid())) {
-                addMessage("Air Purifier Setting", "Turn " +
-                        (BaseUtils.bytesToInt(values) == 1 ? " on" : " off") + "air purifier" + ".");
+                addMessage("Air Purifier Setting", "Turn " + (BaseUtils.bytesToInt(values) == 1 ? "on " : "off ") + "the air purifier" + ".");
                 requestAirPurifier();
             }
         }
@@ -256,9 +277,10 @@ public class DeviceOperatorActivity extends AppCompatActivity {
                 List<String> layerUUIDs = new LinkedList<>();
                 layerUUIDs.add(descriptor.getCharacteristic().getService().getUuid().toString());
                 layerUUIDs.add(descriptor.getCharacteristic().getUuid().toString());
-                addMessage("Policy setting", "Set " + BaseUtils.stringList2ArrayString(layerUUIDs) +
+                addMessage("Policy Setting", "Set " + BaseUtils.stringList2ArrayString(layerUUIDs) +
                         (status == GATT_SUCCESS ? " success" : " failure") + " .");
-                requestServices();
+                if (settingPermission())
+                    requestServices();
             }
         }
 
@@ -456,4 +478,13 @@ public class DeviceOperatorActivity extends AppCompatActivity {
         });
     }
 
+    @Override
+    public void onBackPressed() {
+        super.onBackPressed();
+        if (mBluetoothGatt != null) {
+            mBluetoothGatt.disconnect();
+            mBluetoothGatt.close();
+        }
+    }
+
 }

app/src/main/java/org/prlab/idic/privacypolicy/schedule/Schedulable.java

+package org.prlab.idic.privacypolicy.schedule;
+
+/**
+ * Created by IDIC on 2017/2/24.
+ */
+public interface Schedulable {
+
+    void work();
+
+}

app/src/main/res/drawable/ic_android_black_24dp.xml

+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M6,18c0,0.55 0.45,1 1,1h1v3.5c0,0.83 0.67,1.5 1.5,1.5s1.5,-0.67 1.5,-1.5L11,19h2v3.5c0,0.83 0.67,1.5 1.5,1.5s1.5,-0.67 1.5,-1.5L16,19h1c0.55,0 1,-0.45 1,-1L18,8L6,8v10zM3.5,8C2.67,8 2,8.67 2,9.5v7c0,0.83 0.67,1.5 1.5,1.5S5,17.33 5,16.5v-7C5,8.67 4.33,8 3.5,8zM20.5,8c-0.83,0 -1.5,0.67 -1.5,1.5v7c0,0.83 0.67,1.5 1.5,1.5s1.5,-0.67 1.5,-1.5v-7c0,-0.83 -0.67,-1.5 -1.5,-1.5zM15.53,2.16l1.3,-1.3c0.2,-0.2 0.2,-0.51 0,-0.71 -0.2,-0.2 -0.51,-0.2 -0.71,0l-1.48,1.48C13.85,1.23 12.95,1 12,1c-0.96,0 -1.86,0.23 -2.66,0.63L7.85,0.15c-0.2,-0.2 -0.51,-0.2 -0.71,0 -0.2,0.2 -0.2,0.51 0,0.71l1.31,1.31C6.97,3.26 6,5.01 6,7h12c0,-1.99 -0.97,-3.75 -2.47,-4.84zM10,5L9,5L9,4h1v1zM15,5h-1L14,4h1v1z"/>
+</vector>

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

@@ -28,7 +28,8 @@
             android:layout_width="match_parent"
             android:layout_height="@dimen/item_size">
 
-        <Button
+        <ImageButton
+                android:src="@drawable/ic_android_black_24dp"
                 android:id="@+id/button_operation_send_temperature"
                 android:layout_alignParentEnd="true"
                 android:layout_width="@dimen/item_size"