原因:
出现Only fullscreen opaque activities can request orientation这个问题是因为8.0之前全屏不透明活动不可以请求方向 要不然只能设置不透明,你看看这扯淡不,我要是不设置透明我还会碰见这种情况? 那么有没有办法解决呢? 那肯定是有的
解决方案:
优雅的方式:Hook反射绕过检查
听起来是不是很cool
思路:
判断是否透明色或者悬浮
修改activity的屏幕方向,不固定,绕过检查。
public class ActivityHook {
/**
* java.lang.IllegalStateException: Only fullscreen opaque activities can request orientation
* <p>
* 修复android 8.0存在的问题
* <p>
* 在Activity中onCreate()中super之前调用
*
* @param activity
*/
public static void hookOrientation(Activity activity) {
//目标版本8.0及其以上
if (activity.getApplicationInfo().targetSdkVersion >= Build.VERSION_CODES.O) {
if (isTranslucentOrFloating(activity)) {
fixOrientation(activity);
}
}
}
/**
* 设置屏幕不固定,绕过检查
*
* @param activity
*/
private static void fixOrientation(Activity activity) {
try {
Class<Activity> activityClass = Activity.class;
Field mActivityInfoField = activityClass.getDeclaredField("mActivityInfo");
mActivityInfoField.setAccessible(true);
ActivityInfo activityInfo = (ActivityInfo) mActivityInfoField.get(activity);
//设置屏幕不固定
activityInfo.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 检查屏幕 横竖屏或者锁定就是固定
*
* @param activity
* @return
*/
private static boolean isTranslucentOrFloating(Activity activity) {
boolean isTranslucentOrFloating = false;
try {
Class<?> styleableClass = Class.forName("com.android.internal.R$styleable");
Field WindowField = styleableClass.getDeclaredField("Window");
WindowField.setAccessible(true);
int[] styleableRes = (int[]) WindowField.get(null);
//先获取到TypedArray
final TypedArray typedArray = activity.obtainStyledAttributes(styleableRes);
Class<?> ActivityInfoClass = ActivityInfo.class;
//调用检查是否屏幕旋转
Method isTranslucentOrFloatingMethod = ActivityInfoClass.getDeclaredMethod("isTranslucentOrFloating", TypedArray.class);
isTranslucentOrFloatingMethod.setAccessible(true);
isTranslucentOrFloating = (boolean) isTranslucentOrFloatingMethod.invoke(null, typedArray);
} catch (Exception e) {
e.printStackTrace();
}
return isTranslucentOrFloating;
}
}
在需要的Activity中使用
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
ActivityHook.hookOrientation(this);//hook,绕过检查
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_xxxx);
}
试一下,是不是问题就解决了呢 尿啊~~
大家快去解决问题吧!
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