尝试修复小米手机无法运行的问题2

app/src/main/java/com/sheep/gamegroup/absBase/BaseActivity.java

@@ -1,5 +1,8 @@
 package com.sheep.gamegroup.absBase;
 
+import android.app.Activity;
+import android.content.pm.ActivityInfo;
+import android.content.res.TypedArray;
 import android.graphics.Color;
 import android.os.Build;
 import android.os.Bundle;
@@ -24,6 +27,7 @@ import com.trello.rxlifecycle2.components.support.RxAppCompatActivity;
 import org.greenrobot.eventbus.EventBus;
 
 import java.lang.reflect.Field;
+import java.lang.reflect.Method;
 import java.util.concurrent.TimeUnit;
 
 import butterknife.ButterKnife;
@@ -65,6 +69,10 @@ public abstract class BaseActivity extends RxAppCompatActivity {
 //                    .penaltyDeath()
 //                    .build());
 //        }
+        if (Build.VERSION.SDK_INT == Build.VERSION_CODES.O && isTranslucentOrFloating()) {
+            boolean result = fixOrientation();
+            LogUtil.println("onCreate fixOrientation when Oreo, result = " + result);
+        }
         super.onCreate(savedInstanceState);
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
             Window win = getWindow();
@@ -313,4 +321,40 @@ public abstract class BaseActivity extends RxAppCompatActivity {
             );
         }
     }
+    private boolean isTranslucentOrFloating(){
+        boolean isTranslucentOrFloating = false;
+        try {
+            int [] styleableRes = (int[]) Class.forName("com.android.internal.R$styleable").getField("Window").get(null);
+            final TypedArray ta = obtainStyledAttributes(styleableRes);
+            Method m = ActivityInfo.class.getMethod("isTranslucentOrFloating", TypedArray.class);
+            m.setAccessible(true);
+            isTranslucentOrFloating = (boolean)m.invoke(null, ta);
+            m.setAccessible(false);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return isTranslucentOrFloating;
+    }
+    private boolean fixOrientation(){
+        try {
+            Field field = Activity.class.getDeclaredField("mActivityInfo");
+            field.setAccessible(true);
+            ActivityInfo o = (ActivityInfo)field.get(this);
+            o.screenOrientation = -1;
+            field.setAccessible(false);
+            return true;
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return false;
+    }
+    @Override
+    public void setRequestedOrientation(int requestedOrientation) {
+        if (Build.VERSION.SDK_INT == Build.VERSION_CODES.O && isTranslucentOrFloating()) {
+            LogUtil.println("avoid calling setRequestedOrientation when Oreo.");
+            return;
+        }
+        super.setRequestedOrientation(requestedOrientation);
+    }
+
 }