Android 使用ActionBarCompat和requestWindowFeature
到目前为止,从ActionBarSherlock到ActionBarCompat,我没有遇到更大的问题。在我的Nexus4上,它运行得很好。当我开始在运行2.3.6的旧NexusOne上测试时,我在旋转设备时遇到了一个问题。我请求在ActionBar中显示中间进度的窗口功能:Android 使用ActionBarCompat和requestWindowFeature,android,android-actionbar-compat,Android,Android Actionbar Compat,到目前为止,从ActionBarSherlock到ActionBarCompat,我没有遇到更大的问题。在我的Nexus4上,它运行得很好。当我开始在运行2.3.6的旧NexusOne上测试时,我在旋转设备时遇到了一个问题。我请求在ActionBar中显示中间进度的窗口功能: @Override protected void onCreate(final Bundle savedInstanceState) { super.onCreate(savedInstanceState);
@Override
protected void onCreate(final Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
requestWindowFeature(android.view.Window.FEATURE_PROGRESS);
requestWindowFeature(android.view.Window.FEATURE_INDETERMINATE_PROGRESS);
setupActionBar(getSupportActionBar());
}
这对果冻豆很有效
在2.3.6中,获取此堆栈跟踪:
08-12 13:34:09.242: E/AndroidRuntime(4602): FATAL EXCEPTION: main
08-12 13:34:09.242: E/AndroidRuntime(4602): java.lang.RuntimeException: Unable to start activity ComponentInfo{net.app.packagename/net.app.fragment.CustomActivity}: android.util.AndroidRuntimeException: requestFeature() must be called before adding content
08-12 13:34:09.242: E/AndroidRuntime(4602): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1647)
08-12 13:34:09.242: E/AndroidRuntime(4602): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663)
08-12 13:34:09.242: E/AndroidRuntime(4602): at android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:2832)
08-12 13:34:09.242: E/AndroidRuntime(4602): at android.app.ActivityThread.access$1600(ActivityThread.java:117)
08-12 13:34:09.242: E/AndroidRuntime(4602): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:935)
08-12 13:34:09.242: E/AndroidRuntime(4602): at android.os.Handler.dispatchMessage(Handler.java:99)
08-12 13:34:09.242: E/AndroidRuntime(4602): at android.os.Looper.loop(Looper.java:130)
08-12 13:34:09.242: E/AndroidRuntime(4602): at android.app.ActivityThread.main(ActivityThread.java:3683)
08-12 13:34:09.242: E/AndroidRuntime(4602): at java.lang.reflect.Method.invokeNative(Native Method)
08-12 13:34:09.242: E/AndroidRuntime(4602): at java.lang.reflect.Method.invoke(Method.java:507)
08-12 13:34:09.242: E/AndroidRuntime(4602): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
08-12 13:34:09.242: E/AndroidRuntime(4602): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
08-12 13:34:09.242: E/AndroidRuntime(4602): at dalvik.system.NativeStart.main(Native Method)
08-12 13:34:09.242: E/AndroidRuntime(4602): Caused by: android.util.AndroidRuntimeException: requestFeature() must be called before adding content
08-12 13:34:09.242: E/AndroidRuntime(4602): at com.android.internal.policy.impl.PhoneWindow.requestFeature(PhoneWindow.java:181)
08-12 13:34:09.242: E/AndroidRuntime(4602): at android.app.Activity.requestWindowFeature(Activity.java:2729)
08-12 13:34:09.242: E/AndroidRuntime(4602): at net.app.fragment.BaseFragmentActivity.onCreate(BaseFragmentActivity.java:50)
08-12 13:34:09.242: E/AndroidRuntime(4602): at net.app.fragment.CustomActivity.onCreate(CustomActivity.java:55)
08-12 13:34:09.242: E/AndroidRuntime(4602): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
08-12 13:34:09.242: E/AndroidRuntime(4602): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1611)
08-12 13:34:09.242: E/AndroidRuntime(4602): ... 12 more
08-12 13:34:12.092: I/Process(4602): Sending signal. PID: 4602 SIG: 9
有人知道怎么解决这个问题吗
关于呼叫
支持请求窗口功能(Window.FEATURE…
)
请参阅使用
supportRequestWindowFeature(WindowCompat.FEATURE_xxx)
i、 e.您还需要使用WindowCompat.FEATURE\u xxx
而不是Window.FEATURE\u xxx
来实现向后兼容性。对于那些没有调用requestWindowFeature()
方法但仍然得到异常的用户,请尝试以下解决方法:
@Override
protected void onCreate(Bundle savedInstanceState) {
try {
super.onCreate(savedInstanceState);
} catch (Throwable e) {
//dummy workaround
}
setContentView(getLayoutResId());
请参见错误日志明确指出“添加内容之前必须调用requestFeature()。所以您必须调用'super.onCreate(savedInstanceState);'在“requestWindowFeature”调用之后。并且不需要像上面提到的那样调用supportRequestWindowFeature(Window.FEATURE…)。请参阅下面的工作代码
@Override
public void onCreate(Bundle savedInstanceState) {
requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
requestWindowFeature(Window.FEATURE_PROGRESS);
super.onCreate(savedInstanceState);