Add developer options toggle for Bluetooth A2DP hardware offload

Bug: 63932139 Bug: 79568680 Test: robotests Change-Id: I54943cb591be1bfed0cdfe7eebf90bad64ce13c7
2018-05-16 20:52:00 +08:00
parent 68e531526c
commit ea14ef88ee
6 changed files with 265 additions and 1 deletions
--- a/src/com/android/settings/development/BluetoothA2dpHwOffloadPreferenceController.java
+++ b/src/com/android/settings/development/BluetoothA2dpHwOffloadPreferenceController.java
@@ -0,0 +1,82 @@
+/*
+ * Copyright 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.development;
+
+import android.content.Context;
+import android.os.SystemProperties;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
+
+public class BluetoothA2dpHwOffloadPreferenceController extends DeveloperOptionsPreferenceController
+        implements Preference.OnPreferenceChangeListener, PreferenceControllerMixin {
+
+    private static final String PREFERENCE_KEY = "bluetooth_disable_a2dp_hw_offload";
+    private final DevelopmentSettingsDashboardFragment mFragment;
+
+    static final String A2DP_OFFLOAD_DISABLED_PROPERTY = "persist.bluetooth.a2dp_offload.disabled";
+    static final String A2DP_OFFLOAD_SUPPORTED_PROPERTY = "ro.bluetooth.a2dp_offload.supported";
+
+    public BluetoothA2dpHwOffloadPreferenceController(Context context,
+            DevelopmentSettingsDashboardFragment fragment) {
+        super(context);
+        mFragment = fragment;
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return PREFERENCE_KEY;
+    }
+
+    @Override
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        BluetoothA2dpHwOffloadRebootDialog.show(mFragment, this);
+        return false;
+    }
+
+    @Override
+    public void updateState(Preference preference) {
+        super.updateState(preference);
+        final boolean offloadSupported =
+                SystemProperties.getBoolean(A2DP_OFFLOAD_SUPPORTED_PROPERTY, false);
+        if (offloadSupported) {
+            final boolean offloadDisabled =
+                    SystemProperties.getBoolean(A2DP_OFFLOAD_DISABLED_PROPERTY, false);
+            ((SwitchPreference) mPreference).setChecked(offloadDisabled);
+        } else {
+            mPreference.setEnabled(false);
+            ((SwitchPreference) mPreference).setChecked(true);
+        }
+    }
+
+    @Override
+    protected void onDeveloperOptionsSwitchDisabled() {
+        super.onDeveloperOptionsSwitchDisabled();
+        ((SwitchPreference) mPreference).setChecked(true);
+        SystemProperties.set(A2DP_OFFLOAD_DISABLED_PROPERTY, "true");
+    }
+
+    public void onA2dpHwDialogConfirmed() {
+        final boolean offloadDisabled =
+                SystemProperties.getBoolean(A2DP_OFFLOAD_DISABLED_PROPERTY, false);
+        SystemProperties.set(A2DP_OFFLOAD_DISABLED_PROPERTY, Boolean.toString(!offloadDisabled));
+    }
+
+}