Unknown error in android studio: unable to start application

Question

Unable to start the application. Application compiles successfully, but crashes with this exception

FATAL EXCEPTION: main Process: com.example.myapplication, PID: 15209 java.lang.RuntimeException: Unable to instantiate an activity ComponentInfo {com.example.myapplication / com.example.myapplication.MainActivity}: java.lang.ClassNotFoundException: could not be found class "com.example.myapplication.MainActivity" along the path: DexPathList [[zip file "/data/app/com.example.myapplication-2/base.apk"], nativeLibraryDirectories = [/ vendor / lib, / System / Library ]] at android.app.ActivityThread.performLaunchActivity (ActivityThread.java:2426) at android.app.ActivityThread.handleLaunchActivity (ActivityThread.java:2601) at android.app.ActivityThread.access $ 800 (ActivityThread.java:178) at android .app.ActivityThread $ H.handleMessage (ActivityThread.java:1470) on android.os.Handler.dispatchMessage (Handler.java:111) on android.os.Looper.loop (Looper.java:194) at android.app.ActivityThread.main (ActivityThread.java:5637) in java.lang.reflect.Method.invoke (native method) in java.lang.reflect.Method.invoke (Method.javaI7272) at com.android.internal.os.ZygoteInit $ MethodAndArgsCaller .run (ZygoteInit.java:960) at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:755) Called: java.lang.ClassNotFoundException: could not find class "com.example.myapplication.MainActivity" on the way : DexPathList [[zip file] / data com.example.myapplication-2 / base.apk "],nativeLibraryDirectories = [/ provider / Library, / System / Library]] in dalvik.system.BaseDexClassLoader.findClass (BaseDexClassLoader.java:56) in java.lang.ClassLoader.loadClass (ClassLoader.javahaps11) in java.lang.ClassLoader .loadClass (ClassLoader.java:469) at android.app.Instrumentation.newActivity (Instrumentation.java:1071) at android.app.ActivityThread.performLaunchActivity (ActivityThread.java:2416) at android.app.ActivityThread.handleLaunchActivity (ActivityThread. java: 2601) at android.app.ActivityThread.access $ 800 (ActivityThread.java:178) at android.app.ActivityThread $ H.handleMessage (ActivityThread.java:1470) on android.os.Handler.dispatchMessage (Handler.java:111) on android.os.Looper.loop (Looper.java:194) at android.app.ActivityThread.main (ActivityThread.java:5637) in java.lang.reflect.Method.invoke (native method) in java.lang.reflect.Method.invoke (Method.javahaps72) at com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run (ZygoteInit.java:960) at com.android.internal.os .ZygoteInit.main (ZygoteInit.java:755) Suppressed: java.lang.ClassNotFoundException: com.example.myapplication.MainActivity in java.lang.Class.classForName (native method) in java.lang.BootClassLoader.findClass (ClassLoader.java : 781) in java.lang.BootClassLoader.loadClass (ClassLoader.java:841) in java.lang.ClassLoader.loadClass (ClassLoader.java:504) ... 13 more Called: java.lang.NoClassDefFoundError: the class was not found with the bootloader; no stacks available

android.

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

<application
    android:allowBackup="true"
    android:icon="@mipmap/ic_launcher"
    android:label="@string/app_name"
    android:supportsRtl="true"
    android:theme="@style/AppTheme">
    <activity android:name=".MainActivity">
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />

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

</manifest>

MainActivity

package com.example.myapplication;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.ImageView;
import android.view.View;
public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

    }
}

gradle,

    apply plugin: 'com.android.application'

    android {
    compileSdkVersion 24
    buildToolsVersion "24.0.2"

    defaultConfig {
        applicationId "com.example.myapplication"
        minSdkVersion 15
        targetSdkVersion 24
        versionCode 1
        versionName "1.0"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}

dependencies {
    compile fileTree(dir: 'libs', include: ['*.jar'])
    testCompile 'junit:junit:4.12'
    compile 'com.android.support:appcompat-v7:24.2.0'
}

---

// Top-level build file where you can add configuration options common to all sub-projects/modules.

buildscript {
repositories {
    jcenter()
}
dependencies {
    classpath 'com.android.tools.build:gradle:2.1.3'

    // NOTE: Do not place your application dependencies here; they belong
    // in the individual module build.gradle files
    }
}

allprojects {
repositories {
    jcenter()
}
}

task clean(type: Delete) {
delete rootProject.buildDir
}

. . REBUILD CLEAN. stackOverflow.

,

Android- ClassNotFoundException

Answer 1

. , adb. - .