액티비티 배경을 투명하게 만들고 동시에 투명하지 않은 동작 표시 줄을 표시하려면 어떻게해야합니까?액션 바를 사용하는 액티비티의 투명 배경
나는이
<style name="Theme.PureTransparent" parent="android:Theme">
<item name="android:windowIsTranslucent">true</item>
<item name="android:windowBackground">@android:color/transparent</item>
<item name="android:windowContentOverlay">@null</item>
<item name="android:windowNoTitle">true</item>
<item name="android:windowIsFloating">false</item>
<item name="android:backgroundDimEnabled">false</item>
</style>
시도했다하지만 난이 오류 : SearchTitleStrip 클래스의
라인 (80)이 코드
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.myapp/com.myapp.activities.SearchTitleStrip}: java.lang.NullPointerException
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1967)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1992)
at android.app.ActivityThread.access$600(ActivityThread.java:127)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1158)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4441)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.NullPointerException
at com.myapp.activities.SearchTitleStrip.setActionbarSearch(SearchTitleStrip.java:80)
at com.myapp.activities.SearchTitleStrip.onCreate(SearchTitleStrip.java:72)
at android.app.Activity.performCreate(Activity.java:4465)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1931)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1992)
at android.app.ActivityThread.access$600(ActivityThread.java:127)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1158)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4441)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke
:
actionBar.setDisplayShowTitleEnabled(false);
내가 메인에 투명한 배경을 설정하면 내가 생각해야합니다 유타를하지 않아요 작업 레이아웃의 요소가 투명해야합니다 :-) – TheRedFox