Android9 点击按键KeyEvent.KEYCODE_CAMERA没反应

高通Android9 在适配物理按键KeyEvent.KEYCODE_CAMERA没反应，是点击KEYCODE_CAMERA的时候，广播接收不到；

原因是：android8.0及以上系统关于广播的规定：发现果然是对隐式广播做了限定，如果targetSdkVersion >=26，在Manifest里面注册的Receiver可能无法接收到广播消息（我的广播接收者就是像这样静态注册的）：

方法：

Y:\project\msm8953_android9\frameworks\base\core\java\com\android\internal\policy\PhoneFallbackEventHandler.java

+++ b/frameworks/base/core/java/com/android/internal/policy/PhoneFallbackEventHandler.java
@@ -33,6 +33,8 @@ import android.view.HapticFeedbackConstants;
 import android.view.KeyEvent;
 import android.view.View;
 import com.android.internal.policy.PhoneWindow;
+import android.provider.MediaStore;
+import android.content.ComponentName;
 
 /**
  * @hide
@@ -150,11 +152,21 @@ public class PhoneFallbackEventHandler implements FallbackEventHandler {
                         mView.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS);
                         sendCloseSystemWindows();
                         // Broadcast an intent that the Camera button was longpressed

方法一：更改flag
-                        Intent intent = new Intent(Intent.ACTION_CAMERA_BUTTON, null);
+                        /*Intent intent = new Intent(Intent.ACTION_CAMERA_BUTTON, null);
-                         intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND);

+                        intent.addFlags(Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND);
                         intent.putExtra(Intent.EXTRA_KEY_EVENT, event);
                         mContext.sendOrderedBroadcastAsUser(intent, UserHandle.CURRENT_OR_SELF,
-                                null, null, null, 0, null, null);
+                                null, null, null, 0, null, null);*/
+                           方法二：   使用startActivity打开：
+                        //Intent intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE);
+                        Intent intent = new Intent();
+                        intent.setComponent(new ComponentName("org.codeaurora.snapcam","com.android.camera.CameraLauncher"));
+                        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+                        try {
+                            mContext.startActivity(intent);
+                        } catch (ActivityNotFoundException e) {
+                            Log.w(TAG, "cfw-No activity found for INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE.");
+                        }
                     } else {
                         Log.i(TAG, "Not dispatching CAMERA long press because user "
                                 + "setup is in progress.");

https://www.jianshu.com/p/9441aa235389

https://blog.csdn.net/fuyinghaha/article/details/78973098

https://blog.csdn.net/csh86277516/article/details/79861583