Question

我试图在我的偏好设置屏幕上隐藏标题栏，但通常是requestWindowFeature(Window.FEATURE_NO_TITLE);

没有锻炼，有什么建议吗？

我的代码是：

我的清单：

<activity
            android:name=".prefs"
            android:label="@string/app_name" 
            android:theme="@android:style/Theme.NoTitleBar">
            <intent-filter>
                <action android:name="com.mittereder.rockpaper.PREFS" />

                <category android:name="android.intent.category.DEFAULT" />
            </intent-filter>
        </activity>

爪哇：

protected void onCreate(Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        super.onCreate(savedInstanceState);
        addPreferencesFromResource(R.xml.prefs);
        requestWindowFeature(Window.FEATURE_NO_TITLE);

logcat的：

08-10 00:08:07.502: E/AndroidRuntime(24457): FATAL EXCEPTION: main
08-10 00:08:07.502: E/AndroidRuntime(24457): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.mittereder.rockpaper/com.mittereder.rockpaper.prefs}: android.util.AndroidRuntimeException: requestFeature() must be called before adding content
08-10 00:08:07.502: E/AndroidRuntime(24457):    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2194)
08-10 00:08:07.502: E/AndroidRuntime(24457):    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2229)
08-10 00:08:07.502: E/AndroidRuntime(24457):    at android.app.ActivityThread.access$600(ActivityThread.java:139)
08-10 00:08:07.502: E/AndroidRuntime(24457):    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1261)
08-10 00:08:07.502: E/AndroidRuntime(24457):    at android.os.Handler.dispatchMessage(Handler.java:99)
08-10 00:08:07.502: E/AndroidRuntime(24457):    at android.os.Looper.loop(Looper.java:154)
08-10 00:08:07.502: E/AndroidRuntime(24457):    at android.app.ActivityThread.main(ActivityThread.java:4945)
08-10 00:08:07.502: E/AndroidRuntime(24457):    at java.lang.reflect.Method.invokeNative(Native Method)
08-10 00:08:07.502: E/AndroidRuntime(24457):    at java.lang.reflect.Method.invoke(Method.java:511)
08-10 00:08:07.502: E/AndroidRuntime(24457):    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
08-10 00:08:07.502: E/AndroidRuntime(24457):    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
08-10 00:08:07.502: E/AndroidRuntime(24457):    at dalvik.system.NativeStart.main(Native Method)
08-10 00:08:07.502: E/AndroidRuntime(24457): Caused by: android.util.AndroidRuntimeException: requestFeature() must be called before adding content
08-10 00:08:07.502: E/AndroidRuntime(24457):    at com.android.internal.policy.impl.PhoneWindow.requestFeature(PhoneWindow.java:228)
08-10 00:08:07.502: E/AndroidRuntime(24457):    at android.app.Activity.requestWindowFeature(Activity.java:3144)
08-10 00:08:07.502: E/AndroidRuntime(24457):    at com.mittereder.rockpaper.prefs.onCreate(prefs.java:22)
08-10 00:08:07.502: E/AndroidRuntime(24457):    at android.app.Activity.performCreate(Activity.java:4531)
08-10 00:08:07.502: E/AndroidRuntime(24457):    at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1071)
08-10 00:08:07.502: E/AndroidRuntime(24457):    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2150)
08-10 00:08:07.502: E/AndroidRuntime(24457):    ... 11 more

Answer 1

您已在Android清单中为您的活动设置主题，如下所示......

<activity android:name=".Login" android:theme="@android:style/Theme.NoTitleBar" />

请在编辑后验证您的活动代码。

Answer 2

试试这个：

@Override  
    public void onCreate(Bundle savedInstanceState) {  
        super.onCreate(savedInstanceState);  
        requestWindowFeature(Window.FEATURE_NO_TITLE);  
        this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,   
                WindowManager.LayoutParams.FLAG_FULLSCREEN);  
        addPreferencesFromResource(R.xml.myPreferences);

    }

清单中的

：

<activity android:name=".MyPreferencesActivity"  
                  android:label="@string/app_name"  
                  android:theme="@android:style/Theme.Light.NoTitleBar">

在偏好屏幕中隐藏标题栏（android）

2 个答案: