1
鑑於我res/xml/preferences.xml
看起來是這樣的:ListPreference崩潰滾動時
<?xml version="1.0" encoding="utf-8"?>
<PreferenceScreen
xmlns:android="http://schemas.android.com/apk/res/android"
android:orderingFromXml="true">
...
<PreferenceCategory android:title="@string/reminders">
<ListPreference
android:key="PREF_BATTERY_LOW"
android:title="@string/battery_low"
android:summary="@string/battery_low_desc"
android:entries="@array/battery_strings"
android:entryValues="@array/battery_values"
android:dialogTitle="@string/battery_low"
android:defaultValue="25"
/>
</PreferenceCategory>
...
</PreferenceScreen>
我激活一個SettingsActivity類這些首選項是這樣的:
import android.preference.PreferenceActivity;
public class SettingsActivity extends PreferenceActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
addPreferencesFromResource(R.xml.preferences);
}
}
的src/main/RES /價值/陣列。 XML是這樣的:
<string-array name="battery_values">
<item>5</item>
<item>10</item>
<item>15</item>
<item>20</item>
<item>25</item>
<item>30</item>
<item>40</item>
<item>50</item>
</string-array>
<string-array name="battery_strings">
<item>5 %</item>
<item>10 %</item>
<item>15 %</item>
<item>20 %</item>
<item>25 %</item>
<item>30 %</item>
<item>40 %</item>
<item>50 %</item>
</string-array>
,當我使用SettingsActivity中,應用程序在打開頁面時會一直崩潰。堆棧跟蹤看起來是這樣的:
E/InputEventReceiver(28227): Exception dispatching input event.
D/AndroidRuntime(28227): Shutting down VM
W/dalvikvm(28227): threadid=1: thread exiting with uncaught exception (group=0xa613b908)
I/AndroidRuntime(28227): VM exiting with result code 99, cleanup skipped.
I/ActivityManager( 432): Process com.company.app (pid 28227) has died.
D/dalvikvm(28249): Late-enabling CheckJNI
W/ActivityManager( 432): Scheduling restart of crashed service com.company.app/.services.LocationService in 5000ms
W/ActivityManager( 432): Force removing ActivityRecord{a6bfe408 u0 com.company.app/.SettingsActivity}: app died, no saved state
I/WindowState( 432): WIN DEATH: Window{a6cb7078 u0 com.company.app/com.company.app.main.MainActivity}
I/WindowState( 432): WIN DEATH: Window{a6cfea00 u0 com.company.app/com.company.app.SettingsActivity}
I/ActivityManager( 432): Start proc com.company.app for activity com.company.app/.main.MainActivity: pid=28249 uid=10064 gids={50064, 3003, 1028}
D/Zygote ( 160): Process 28227 exited cleanly (99)
E/Trace (28249): error opening trace file: No such file or directory (2)
E/jdwp (28249): Failed sending reply to debugger: Broken pipe
D/dalvikvm(28249): Debugger has detached; object registry had 1 entries
D/dalvikvm(28249): GC_FOR_ALLOC freed 126K, 2% free 8781K/8960K, paused 3ms, total 3ms
D/libEGL (28249): loaded /system/lib/egl/libEGL_emulation.so
D/ (28249): HostConnection::get() New Host Connection established 0xb78b4fd8, tid 28249
D/libEGL (28249): loaded /system/lib/egl/libGLESv1_CM_emulation.so
D/libEGL (28249): loaded /system/lib/egl/libGLESv2_emulation.so
W/EGL_emulation(28249): eglSurfaceAttrib not implemented
D/OpenGLRenderer(28249): Enabling debug mode 0
沒有進一步的堆棧跟蹤或任何其他有用的日誌信息。 我一直在努力,以消除啓動偏好(工程,但沒有用),更改其類型(不支持)更改密鑰&字符串類型,刪除屬性,但應用程序仍然崩潰。
往上幾行我在使用其他ListPreference效果很好,僅這一個產生麻煩。我在這裏錯過了什麼?
應該有更多的堆棧跟蹤......如果你選擇的logcat錯誤日誌類型,它表現出更多? – gunar
日誌從通過「亞行logcat」命令行來了。 –
的XML的根是不是'PreferenceCategory'任何機會?應該是'PreferenceScreen'。 – ozbek