當我嘗試切換到屏幕的橫向時,出現錯誤。橫向打印工作的XML佈局就好了,因爲我通過強制應用到以水平方向出現在AndoridManifest.xml測試它:在縱向/橫向之間切換時遇到問題
android:screenOrientation="portrait"
這裏是logcat的日誌追蹤:
08-03 09:09:33.660: INFO/WindowManager(71): Setting rotation to 1, animFlags=1
08-03 09:09:33.690: INFO/WindowManager(71): Config changed: { scale=1.0 imsi=0/0 loc=en_US touch=3 keys=2/1/1 nav=3 orien=2 layout=17}
08-03 09:09:33.849: INFO/WindowManager(71): onOrientationChanged, rotation changed to 1
08-03 09:09:34.010: DEBUG/StatusBar(71): updateResources
08-03 09:09:34.251: DEBUG/AndroidRuntime(479): Shutting down VM
08-03 09:09:34.251: WARN/dalvikvm(479): threadid=3: thread exiting with uncaught exception (group=0x4001aa28)
08-03 09:09:34.251: ERROR/AndroidRuntime(479): Uncaught handler: thread main exiting due to uncaught exception
08-03 09:09:34.280: ERROR/AndroidRuntime(479): android.util.AndroidRuntimeException: requestFeature() must be called before adding content
08-03 09:09:34.280: ERROR/AndroidRuntime(479): at com.android.internal.policy.impl.PhoneWindow.requestFeature(PhoneWindow.java:285)
08-03 09:09:34.280: ERROR/AndroidRuntime(479): at android.app.Activity.requestWindowFeature(Activity.java:2561)
08-03 09:09:34.280: ERROR/AndroidRuntime(479): at com.news.reader.Home.onConfigurationChanged(Home.java:85)
08-03 09:09:34.280: ERROR/AndroidRuntime(479): at android.app.ActivityThread.performConfigurationChanged(ActivityThread.java:3607)
08-03 09:09:34.280: ERROR/AndroidRuntime(479): at android.app.ActivityThread.handleConfigurationChanged(ActivityThread.java:3673)
08-03 09:09:34.280: ERROR/AndroidRuntime(479): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1864)
08-03 09:09:34.280: ERROR/AndroidRuntime(479): at android.os.Handler.dispatchMessage(Handler.java:99)
08-03 09:09:34.280: ERROR/AndroidRuntime(479): at android.os.Looper.loop(Looper.java:123)
08-03 09:09:34.280: ERROR/AndroidRuntime(479): at android.app.ActivityThread.main(ActivityThread.java:4203)
08-03 09:09:34.280: ERROR/AndroidRuntime(479): at java.lang.reflect.Method.invokeNative(Native Method)
08-03 09:09:34.280: ERROR/AndroidRuntime(479): at java.lang.reflect.Method.invoke(Method.java:521)
08-03 09:09:34.280: ERROR/AndroidRuntime(479): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:791)
08-03 09:09:34.280: ERROR/AndroidRuntime(479): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:549)
08-03 09:09:34.280: ERROR/AndroidRuntime(479): at dalvik.system.NativeStart.main(Native Method)
08-03 09:09:34.299: INFO/Process(71): Sending signal. PID: 479 SIG: 3
08-03 09:09:34.299: INFO/dalvikvm(479): threadid=7: reacting to signal 3
08-03 09:09:34.410: INFO/dalvikvm(479): Wrote stack trace to '/data/anr/traces.txt'
有一個錯誤,這是告訴我,我應該在設置佈局內容之前做一些事情。有人可以解釋我缺少的東西或給出重定向,在這裏解釋。
UPDATE
我叫requestWindowFeature(Configuration.ORIENTATION_LANDSCAPE);
後,我還是得到了同樣的錯誤:
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
setContentView(R.layout.home_landscape);
createUI();
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
this.requestWindowFeature(Window.FEATURE_NO_TITLE);
this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
setContentView(R.layout.home_portrait);
createUI();
}
只需評論你的onConfigurationChanged()方法,並檢查你是否得到相同的異常。 –
好的,我找出是什麼原因導致錯誤,但不知道爲什麼?我編輯了我的**更新**。如果你能解釋導致錯誤的原因,在編輯之前。 – nenito
使用requestWindowFeature(),並再次在onConfigurationChanged做同樣的事情()...你只是upvoted不接受......你也許已刪除標題欄 –