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Flutter app crashing when opening first time with ClassNotFoundException on Android


Flutter app crashing when opening first time with ClassNotFoundException on Android

By : user2173927
Date : October 19 2020, 08:10 PM
this will help I also had this problem, just update com.google.gms: google-services: 3.2.1 to com.google.gms: google-services: 4.2.0 there in "Android\App\build.grandle" that goes the problem.
For more information: Problem reported in github
code :


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ClassNotFoundException on opening facebook share icon in android

ClassNotFoundException on opening facebook share icon in android


By : Kumar
Date : March 29 2020, 07:55 AM
wish of those help It seems your facebook app is on sandbox mode.
For it to work, you have to set up your facebook app at developers.facebook.com to production mode, then and only then other people will be able to use it. Else the only one who could use it is the facebook user who created the app.
Android app crashing immediately upon opening

Android app crashing immediately upon opening


By : lndrstrll
Date : March 29 2020, 07:55 AM
Any of those help I'm developing my first Android application. It's pretty much a basic tip calculator. For some reason, I can't get Eclipse to acknowledge there's a phone plugged in so I can't debug it that through Eclipse. (I've followed all the steps here to not avail: http://developer.android.com/tools/extras/oem-usb.html) I've just installed it successfully on an emulator, but whenever I open it, it crashes immediately. I've tried it with two different XML layouts, which I'll post below, but I am interested in any insight as to why my app might be crashing. It's very simple; only one activity, but I can't quite find the error. I know it's a ton too look through, but any help is much appreciated. everyone. , one thing you have is that here you say that mCalculate is a Button.
code :
private Button mCalculate;
mCalculate = (Button)findViewById(R.id.button1);
<GridLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/button1"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:columnCount="3"
android:orientation="horizontal" >
 mCalculate = (Button)findViewById(R.id.calculate);
    <RadioGroup
    android:id="@+id/radioGroup1"
    android:layout_column="0"
    android:layout_gravity="left|top"
    android:layout_row="4" >

    <RadioButton
        android:id="@+id/radio1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/standard" />


    <RadioButton
        android:id="@+id/radio0"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_column="0"
        android:layout_gravity="left|center_vertical"
        android:layout_row="3"
        android:checked="true"
        android:text="@string/stupendous" />

    <RadioButton
        android:id="@+id/radio2"
        android:layout_width="128dp"
        android:layout_height="wrap_content"
        android:layout_column="2"
        android:layout_gravity="left|center_vertical"
        android:layout_row="3"
        android:text="@string/aboveAverage" />
    <RadioButton
        android:id="@+id/radio4"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_column="2"
        android:layout_gravity="left|top"
        android:layout_row="4"
        android:text="@string/subpar" />
</RadioGroup>
Unity 5.3.1f1 crashing every time while opening in windows 10

Unity 5.3.1f1 crashing every time while opening in windows 10


By : user4897528
Date : March 29 2020, 07:55 AM
help you fix your problem I have resolved my own problem
The issue was the malware software installed which was causing Unity crash.
Release apk android in flutter is crashing on start up

Release apk android in flutter is crashing on start up


By : onlyveg
Date : March 29 2020, 07:55 AM
I wish this helpful for you Had the same issue with some phones like Samsung S5. The app started crashing when I tried to open it. Here is a fix that worked for me:
code :
defaultConfig {
    ...
    multiDexEnabled true
    ndk {
        abiFilters 'x86', 'armeabi-v7a'
    }
}
Flutter Android App crashing after OTP verification

Flutter Android App crashing after OTP verification


By : user3247755
Date : March 29 2020, 07:55 AM
it fixes the issue I solved the problem by migrating my flutter project to AndroidX. For reference follow this guide
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