android - image_picker 在 android 中选择图像和应用程序崩溃
问题描述
我只是实现了最新的插件,image_picker
下面是简单的代码
Future getImage({String from}) async {
var image;
if (from == 'camera') {
image = await ImagePicker.pickImage(
source: ImageSource.camera);
} else {
image = await ImagePicker.pickImage(
source: ImageSource.gallery);
}
if (image == null) return;
setState(() {
_adVertData.image = image;
});
}
崩溃
D/AndroidRuntime(31145): Shutting down VM
E/AndroidRuntime(31145): FATAL EXCEPTION: main
E/AndroidRuntime(31145): Process: com.mobileapp.sin, PID: 31145
E/AndroidRuntime(31145): java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=2342, result=-1, data=Intent { dat=content://com.android.providers.media.documents/document/image:134427 flg=0x1 }} to activity {com.mobileapp.sin/com.mobileapp.sin.MainActivity}: kotlin.UninitializedPropertyAccessException: lateinit property callbackManager has not been initialized
E/AndroidRuntime(31145): at android.app.ActivityThread.deliverResults(ActivityThread.java:4361)
E/AndroidRuntime(31145): at android.app.ActivityThread.handleSendResult(ActivityThread.java:4403)
E/AndroidRuntime(31145): at android.app.servertransaction.ActivityResultItem.execute(ActivityResultItem.java:49)
E/AndroidRuntime(31145): at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108)
E/AndroidRuntime(31145): at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68)
E/AndroidRuntime(31145): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1809)
E/AndroidRuntime(31145): at android.os.Handler.dispatchMessage(Handler.java:106)
E/AndroidRuntime(31145): at android.os.Looper.loop(Looper.java:193)
E/AndroidRuntime(31145): at android.app.ActivityThread.main(ActivityThread.java:6692)
E/AndroidRuntime(31145): at java.lang.reflect.Method.invoke(Native Method)
E/AndroidRuntime(31145): at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
E/AndroidRuntime(31145): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
E/AndroidRuntime(31145): Caused by: kotlin.UninitializedPropertyAccessException: lateinit property callbackManager has not been initialized
E/AndroidRuntime(31145): at com.mobileapp.sin.MainActivity.onActivityResult(MainActivity.kt:80)
E/AndroidRuntime(31145): at android.app.Activity.dispatchActivityResult(Activity.java:7458)
E/AndroidRuntime(31145): at android.app.ActivityThread.deliverResults(ActivityThread.java:4354)
E/AndroidRuntime(31145): ... 11 more
I/Process (31145): Sending signal.
解决方案
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