Merge "Revert "Revert "Require user pass in a non-null BluetoothDevice ..."" into rvc-dev am: 77864d6771

Change-Id: Id16e90dfbcd5bd9f639f8acadb589614b0075841

1 files changed, 26 insertions, 8 deletions

diff --git a/core/java/android/bluetooth/BluetoothA2dp.java b/core/java/android/bluetooth/BluetoothA2dp.java
index d8c653c6d0d5..b672a0857cca 100644
--- a/core/java/android/bluetooth/BluetoothA2dp.java
+++ b/core/java/android/bluetooth/BluetoothA2dp.java
@@ -643,8 +643,9 @@ public final class BluetoothA2dp implements BluetoothProfile {
     @SystemApi
     @Nullable
     @RequiresPermission(Manifest.permission.BLUETOOTH)
-    public BluetoothCodecStatus getCodecStatus(@Nullable BluetoothDevice device) {
+    public BluetoothCodecStatus getCodecStatus(@NonNull BluetoothDevice device) {
         if (DBG) Log.d(TAG, "getCodecStatus(" + device + ")");
+        verifyDeviceNotNull(device, "getCodecStatus");
         try {
             final IBluetoothA2dp service = getService();
             if (service != null && isEnabled()) {
@@ -670,9 +671,14 @@ public final class BluetoothA2dp implements BluetoothProfile {
      */
     @SystemApi
     @RequiresPermission(Manifest.permission.BLUETOOTH_PRIVILEGED)
-    public void setCodecConfigPreference(@Nullable BluetoothDevice device,
-                                         @Nullable BluetoothCodecConfig codecConfig) {
+    public void setCodecConfigPreference(@NonNull BluetoothDevice device,
+                                         @NonNull BluetoothCodecConfig codecConfig) {
         if (DBG) Log.d(TAG, "setCodecConfigPreference(" + device + ")");
+        verifyDeviceNotNull(device, "setCodecConfigPreference");
+        if (codecConfig == null) {
+            Log.e(TAG, "setCodecConfigPreference: Codec config can't be null");
+            throw new IllegalArgumentException("codecConfig cannot be null");
+        }
         try {
             final IBluetoothA2dp service = getService();
             if (service != null && isEnabled()) {
@@ -695,8 +701,9 @@ public final class BluetoothA2dp implements BluetoothProfile {
      */
     @SystemApi
     @RequiresPermission(Manifest.permission.BLUETOOTH_PRIVILEGED)
-    public void enableOptionalCodecs(@Nullable BluetoothDevice device) {
+    public void enableOptionalCodecs(@NonNull BluetoothDevice device) {
         if (DBG) Log.d(TAG, "enableOptionalCodecs(" + device + ")");
+        verifyDeviceNotNull(device, "enableOptionalCodecs");
         enableDisableOptionalCodecs(device, true);
     }
 
@@ -709,8 +716,9 @@ public final class BluetoothA2dp implements BluetoothProfile {
      */
     @SystemApi
     @RequiresPermission(Manifest.permission.BLUETOOTH_PRIVILEGED)
-    public void disableOptionalCodecs(@Nullable BluetoothDevice device) {
+    public void disableOptionalCodecs(@NonNull BluetoothDevice device) {
         if (DBG) Log.d(TAG, "disableOptionalCodecs(" + device + ")");
+        verifyDeviceNotNull(device, "disableOptionalCodecs");
         enableDisableOptionalCodecs(device, false);
     }
 
@@ -750,7 +758,8 @@ public final class BluetoothA2dp implements BluetoothProfile {
     @SystemApi
     @RequiresPermission(Manifest.permission.BLUETOOTH_ADMIN)
     @OptionalCodecsSupportStatus
-    public int supportsOptionalCodecs(@Nullable BluetoothDevice device) {
+    public int isOptionalCodecsSupported(@NonNull BluetoothDevice device) {
+        verifyDeviceNotNull(device, "isOptionalCodecsSupported");
         try {
             final IBluetoothA2dp service = getService();
             if (service != null && isEnabled() && isValidDevice(device)) {
@@ -775,7 +784,8 @@ public final class BluetoothA2dp implements BluetoothProfile {
     @SystemApi
     @RequiresPermission(Manifest.permission.BLUETOOTH_ADMIN)
     @OptionalCodecsPreferenceStatus
-    public int getOptionalCodecsEnabled(@Nullable BluetoothDevice device) {
+    public int isOptionalCodecsEnabled(@NonNull BluetoothDevice device) {
+        verifyDeviceNotNull(device, "isOptionalCodecsEnabled");
         try {
             final IBluetoothA2dp service = getService();
             if (service != null && isEnabled() && isValidDevice(device)) {
@@ -800,8 +810,9 @@ public final class BluetoothA2dp implements BluetoothProfile {
      */
     @SystemApi
     @RequiresPermission(Manifest.permission.BLUETOOTH_PRIVILEGED)
-    public void setOptionalCodecsEnabled(@Nullable BluetoothDevice device,
+    public void setOptionalCodecsEnabled(@NonNull BluetoothDevice device,
             @OptionalCodecsPreferenceStatus int value) {
+        verifyDeviceNotNull(device, "setOptionalCodecsEnabled");
         try {
             if (value != BluetoothA2dp.OPTIONAL_CODECS_PREF_UNKNOWN
                     && value != BluetoothA2dp.OPTIONAL_CODECS_PREF_DISABLED
@@ -854,6 +865,13 @@ public final class BluetoothA2dp implements BluetoothProfile {
         return false;
     }
 
+    private void verifyDeviceNotNull(BluetoothDevice device, String methodName) {
+        if (device == null) {
+            Log.e(TAG, methodName + ": device param is null");
+            throw new IllegalArgumentException("Device cannot be null");
+        }
+    }
+
     private boolean isValidDevice(BluetoothDevice device) {
         if (device == null) return false;