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my application crashes when starting on my mobile phone but when building it in android studio it doesn't give me any errors

2022-05-19 12:53:52.306 6130-6130/com.gruponuevosol.nuevosolapp E/AndroidRuntime: FATAL EXCEPTION: main Process: com.gruponuevosol.nuevosolapp, PID: 6130 java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.gruponuevosol.nuevosolapp/com.gruponuevosol.nuevosolapp.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.pm.ApplicationInfo android.content.Context.getApplicationInfo()' on a null object reference at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3671) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3931) at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:85) at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135) at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2356) at android.os.Handler.dispatchMessage(Handler.java:106) at android.os.Looper.loop(Looper.java:264) at android.app.ActivityThread.main(ActivityThread.java:8306) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:632) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1049) Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.pm.ApplicationInfo android.content.Context.getApplicationInfo()' on a null object reference at android.content.ContextWrapper.getApplicationInfo(ContextWrapper.java:183) at android.view.ContextThemeWrapper.getTheme(ContextThemeWrapper.java:174) at android.content.Context.obtainStyledAttributes(Context.java:744) at androidx.appcompat.app.AppCompatDelegateImpl.createSubDecor(AppCompatDelegateImpl.java:848) at androidx.appcompat.app.AppCompatDelegateImpl.ensureSubDecor(AppCompatDelegateImpl.java:815) at androidx.appcompat.app.AppCompatDelegateImpl.findViewById(AppCompatDelegateImpl.java:640) at androidx.appcompat.app.AppCompatActivity.findViewById(AppCompatActivity.java:259) at com.gruponuevosol.nuevosolapp.MainActivity.(MainActivity.java:13) at java.lang.Class.newInstance(Native Method) at android.app.AppComponentFactory.instantiateActivity(AppComponentFactory.java:95) at androidx.core.app.CoreComponentFactory.instantiateActivity(CoreComponentFactory.java:45) at android.app.Instrumentation.newActivity(Instrumentation.java:1253) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3659) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3931)  at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:85)  at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)  at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2356)  at android.os.Handler.dispatchMessage(Handler.java:106)  at android.os.Looper.loop(Looper.java:264)  at android.app.ActivityThread.main(ActivityThread.java:8306)  at java.lang.reflect.Method.invoke(Native Method)  at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:632)  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1049)  2022-05-19 12:53:52.649 6130-6130/com.gruponuevosol.nuevosolapp I/Process: Sending signal. PID: 6130 SIG: 9

and this is my android manifest

<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
package="com.gruponuevosol.nuevosolapp" >

<application
    android:allowBackup="true"
    android:dataExtractionRules="@xml/data_extraction_rules"
    android:fullBackupContent="@xml/backup_rules"
    android:icon="@mipmap/ic_launcher"
    android:label="@string/app_name"
    android:roundIcon="@mipmap/ic_launcher_round"
    android:supportsRtl="true"
    android:theme="@style/Theme.NuevoSolApp"
    tools:targetApi="31" >
    <activity
        android:name=".RegistroActivity"
        android:exported="false" />
    <activity
        android:name=".LoginActivity"
        android:exported="false" />
    <activity
        android:name=".MainActivity"
        android:exported="true" >
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />

            <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
    </activity>
</application>

This is my Proyect (Open the link)

Jesus González
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0 Answers0