Android 用于颤振和应用程序崩溃的图像选择器插件
这是导致应用程序崩溃的选择器,它打开了gallery,但当我选择image时,它崩溃了。我使用的是颤振beta通道,Android 用于颤振和应用程序崩溃的图像选择器插件,android,flutter,Android,Flutter,这是导致应用程序崩溃的选择器,它打开了gallery,但当我选择image时,它崩溃了。我使用的是颤振beta通道,pubspec.yamlimage\u-picker依赖项声明为未指定版本。 我在另一个屏幕上使用了图像选择器,它工作得很好。但现在它崩溃了,模拟器和物理设备都崩溃了 我也不确定为什么错误包括联系服务插件,任何帮助将不胜感激 File postPicture; Future getImage() async { var tempImage; if (await
pubspec.yaml
image\u-picker依赖项声明为未指定版本。
我在另一个屏幕上使用了图像选择器,它工作得很好。但现在它崩溃了,模拟器和物理设备都崩溃了
我也不确定为什么错误包括联系服务插件,任何帮助将不胜感激
File postPicture;
Future getImage() async {
var tempImage;
if (await Permission.photos.isGranted) {
try {
tempImage = await ImagePicker.pickImage(source: ImageSource.gallery);
} catch (e) {
print(e);
}
}
setState(() {
postPicture = tempImage;
});
}
错误日志
E/AndroidRuntime(27652): java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=2342, result=-1, data=Intent { dat=content://com.android.providers.media.documents/document/image:25 flg=0x1 }} to activity {com.example.clientApp/com.example.clientApp.MainActivity}: java.lang.NullPointerException: Attempt to invoke interface method 'void io.flutter.plugin.common.MethodChannel$Result.success(java.lang.Object)' on a null object reference
E/AndroidRuntime(27652): at android.app.ActivityThread.deliverResults(ActivityThread.java:4845)
E/AndroidRuntime(27652): at android.app.ActivityThread.handleSendResult(ActivityThread.java:4886)
E/AndroidRuntime(27652): at android.app.servertransaction.ActivityResultItem.execute(ActivityResultItem.java:51)
E/AndroidRuntime(27652): at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
E/AndroidRuntime(27652): at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
E/AndroidRuntime(27652): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2016)
E/AndroidRuntime(27652): at android.os.Handler.dispatchMessage(Handler.java:107)
E/AndroidRuntime(27652): at android.os.Looper.loop(Looper.java:214)
E/AndroidRuntime(27652): at android.app.ActivityThread.main(ActivityThread.java:7356)
E/AndroidRuntime(27652): at java.lang.reflect.Method.invoke(Native Method)
E/AndroidRuntime(27652): at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
E/AndroidRuntime(27652): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930)
E/AndroidRuntime(27652): Caused by: java.lang.NullPointerException: Attempt to invoke interface method 'void io.flutter.plugin.common.MethodChannel$Result.success(java.lang.Object)' on a null object reference
E/AndroidRuntime(27652): at flutter.plugins.contactsservice.contactsservice.ContactsServicePlugin$BaseContactsServiceDelegate.finishWithResult(ContactsServicePlugin.java:239)
E/AndroidRuntime(27652): at flutter.plugins.contactsservice.contactsservice.ContactsServicePlugin$BaseContactsServiceDelegate.onActivityResult(ContactsServicePlugin.java:255)
E/AndroidRuntime(27652): at io.flutter.embedding.engine.FlutterEnginePluginRegistry$FlutterEngineActivityPluginBinding.onActivityResult(FlutterEnginePluginRegistry.java:691)
E/AndroidRuntime(27652): at io.flutter.embedding.engine.FlutterEnginePluginRegistry.onActivityResult(FlutterEnginePluginRegistry.java:378)
E/AndroidRuntime(27652): at io.flutter.embedding.android.FlutterActivityAndFragmentDelegate.onActivityResult(FlutterActivityAndFragmentDelegate.java:597)
E/AndroidRuntime(27652): at io.flutter.embedding.android.FlutterActivity.onActivityResult(FlutterActivity.java:582)
E/AndroidRuntime(27652): at android.app.Activity.dispatchActivityResult(Activity.java:8110)
E/AndroidRuntime(27652): at android.app.ActivityThread.deliverResults(ActivityThread.java:4838)
E/AndroidRuntime(27652): ... 11 more
I/Process (27652): Sending signal. PID: 27652 SIG: 9
当存在与权限相关的问题时,图像选择器通常会引发此异常。可能导致这种情况的原因有很多:
在您的具体案例中,由于您提到了contacts_service plugin,我认为这两个插件在处理权限方面存在一些冲突。当出现与权限相关的问题时,Image picker通常会引发此异常。可能导致这种情况的原因有很多: