我想了解如何使用光标指定在sdcard中指定的文件夹中的jpg文件。我想在一个特定的文件夹用光标选择JPG文件,我想这一点:如何从指定位置用光标读取jpg文件
这是代码:
但是这个代码给我的错误。
这里是logcat的:
E/AndroidRuntime(11986): FATAL EXCEPTION: main
E/AndroidRuntime(11986): android.database.sqlite.SQLiteException: bind or column index out of range: handle 0x26a490
E/AndroidRuntime(11986): at android.database.DatabaseUtils.readExceptionFromParcel(DatabaseUtils.java:158)
E/AndroidRuntime(11986): at android.database.DatabaseUtils.readExceptionFromParcel(DatabaseUtils.java:114)
E/AndroidRuntime(11986): at android.content.ContentProviderProxy.bulkQueryInternal(ContentProviderNative.java:330)
E/AndroidRuntime(11986): at android.content.ContentProviderProxy.query(ContentProviderNative.java:366)
E/AndroidRuntime(11986): at android.content.ContentResolver.query(ContentResolver.java:245)
E/AndroidRuntime(11986): at it.bisemanuDEV.slidepuzzle.SelectImagePreference.getRandomImage(SelectImagePreference.java:126)
E/AndroidRuntime(11986): at it.bisemanuDEV.slidepuzzle.TileView.newGame(TileView.java:156)
E/AndroidRuntime(11986): at it.bisemanuDEV.slidepuzzle.SlidePuzzleActivity.onOptionsItemSelected(SlidePuzzleActivity.java:377)
E/AndroidRuntime(11986): at android.app.Activity.onMenuItemSelected(Activity.java:2762)
E/AndroidRuntime(11986): at com.android.internal.policy.impl.PhoneWindow.onMenuItemSelected(PhoneWindow.java:730)
E/AndroidRuntime(11986): at com.android.internal.view.menu.MenuItemImpl.invoke(MenuItemImpl.java:143)
E/AndroidRuntime(11986): at com.android.internal.view.menu.MenuBuilder.performItemAction(MenuBuilder.java:855)
E/AndroidRuntime(11986): at com.android.internal.view.menu.IconMenuView.invokeItem(IconMenuView.java:532)
E/AndroidRuntime(11986): at com.android.internal.view.menu.IconMenuItemView.performClick(IconMenuItemView.java:122)
E/AndroidRuntime(11986): at android.view.View$PerformClick.run(View.java:8819)
E/AndroidRuntime(11986): at android.os.Handler.handleCallback(Handler.java:603)
E/AndroidRuntime(11986): at android.os.Handler.dispatchMessage(Handler.java:92)
E/AndroidRuntime(11986): at android.os.Looper.loop(Looper.java:123)
E/AndroidRuntime(11986): at android.app.ActivityThread.main(ActivityThread.java:4627)
E/AndroidRuntime(11986): at java.lang.reflect.Method.invokeNative(Native Method)
E/AndroidRuntime(11986): at java.lang.reflect.Method.invoke(Method.java:521)
E/AndroidRuntime(11986): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
E/AndroidRuntime(11986): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
E/AndroidRuntime(11986): at dalvik.system.NativeStart.main(Native Method)
我想用光标选择特定文件夹中的jpg文件。我用代码和日志编辑我的文章 – David