Android Studio: Unfortunately "my App" has stopped

Others 2022-04-21 21:06:19 views: 0
Little Potato :

I am new to developing Android. After writing my code and running the debugger, My app cannot be opened and it says "Unfortunately App has stopped".

Here is my stack trace.

07-19 14:16:07.562 10834-10834/com.afiqah.fyp E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.afiqah.fyp, PID: 10834
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.afiqah.fyp/com.afiqah.fyp.MainActivity}: android.view.InflateException: Binary XML file line #43: Binary XML file line #43: Error inflating class info.hoang8f.widget.FButton
    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2434)
    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2494)
    at android.app.ActivityThread.access$900(ActivityThread.java:153)
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1347)
    at android.os.Handler.dispatchMessage(Handler.java:102)
    at android.os.Looper.loop(Looper.java:148)
    at android.app.ActivityThread.main(ActivityThread.java:5451)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
 Caused by: android.view.InflateException: Binary XML file line #43: Binary XML file line #43: Error inflating class info.hoang8f.widget.FButton
    at android.view.LayoutInflater.inflate(LayoutInflater.java:539)
    at android.view.LayoutInflater.inflate(LayoutInflater.java:423)
    at android.view.LayoutInflater.inflate(LayoutInflater.java:374)
    at android.support.v7.app.AppCompatDelegateImplV9.setContentView(AppCompatDelegateImplV9.java:287)
    at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:139)
    at com.afiqah.fyp.MainActivity.onCreate(MainActivity.java:17)
    at android.app.Activity.performCreate(Activity.java:6323)
    at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1108)
    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2387)
    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2494) 
    at android.app.ActivityThread.access$900(ActivityThread.java:153) 
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1347) 
    at android.os.Handler.dispatchMessage(Handler.java:102) 
    at android.os.Looper.loop(Looper.java:148) 
    at android.app.ActivityThread.main(ActivityThread.java:5451) 
    at java.lang.reflect.Method.invoke(Native Method) 
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726) 
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616) 
 Caused by: android.view.InflateException: Binary XML file line #43: Error inflating class info.hoang8f.widget.FButton
    at android.view.LayoutInflater.createView(LayoutInflater.java:645)
    at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:764)
    at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704)
    at android.view.LayoutInflater.rInflate(LayoutInflater.java:835)
    at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798)
    at android.view.LayoutInflater.rInflate(LayoutInflater.java:838)
    at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798)
    at android.view.LayoutInflater.inflate(LayoutInflater.java:515)
    at android.view.LayoutInflater.inflate(LayoutInflater.java:423) 
    at android.view.LayoutInflater.inflate(LayoutInflater.java:374) 
    at android.support.v7.app.AppCompatDelegateImplV9.setContentView(AppCompatDelegateImplV9.java:287) 
    at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:139) 
    at com.afiqah.fyp.MainActivity.onCreate(MainActivity.java:17) 
    at android.app.Activity.performCreate(Activity.java:6323) 
    at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1108) 
    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2387) 
    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2494) 
    at android.app.ActivityThread.access$900(ActivityThread.java:153) 
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1347) 
    at android.os.Handler.dispatchMessage(Handler.java:102) 
    at android.os.Looper.loop(Looper.java:148) 
    at android.app.ActivityThread.main(ActivityThread.java:5451) 
    at java.lang.reflect.Method.invoke(Native Method) 
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726) 
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616) 
 Caused by: java.lang.reflect.InvocationTargetException
    at java.lang.reflect.Constructor.newInstance(Native Method)
    at android.view.LayoutInflater.createView(LayoutInflater.java:619)
    at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:764) 
    at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704) 
    at android.view.LayoutInflater.rInflate(LayoutInflater.java:835) 
    at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798) 
    at android.view.LayoutInflater.rInflate(LayoutInflater.java:838) 
    at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798) 
    at android.view.LayoutInflater.inflate(LayoutInflater.java:515) 
    at android.view.LayoutInflater.inflate(LayoutInflater.java:423) 
    at android.view.LayoutInflater.inflate(LayoutInflater.java:374) 
    at android.support.v7.app.AppCompatDelegateImplV9.setContentView(AppCompatDelegateImplV9.java:287) 
    at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:139) 
    at com.afiqah.fyp.MainActivity.onCreate(MainActivity.java:17) 
    at android.app.Activity.performCreate(Activity.java:6323) 
    at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1108) 
    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2387) 
    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2494) 
    at android.app.ActivityThread.access$900(ActivityThread.java:153) 
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1347) 
    at android.os.Handler.dispatchMessage(Handler.java:102) 
    at android.os.Looper.loop(Looper.java:148) 
    at android.app.ActivityThread.main(ActivityThread.java:5451) 
    at java.lang.reflect.Method.invoke(Native Method) 
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726) 
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616) 
 Caused by: java.lang.UnsupportedOperationException: Can't convert to color: type=0x5
    at android.content.res.TypedArray.getColor(TypedArray.java:451)
    at info.hoang8f.widget.FButton.parseAttrs(FButton.java:116)
    at info.hoang8f.widget.FButton.<init>(FButton.java:52)
    at java.lang.reflect.Constructor.newInstance(Native Method) 
    at android.view.LayoutInflater.createView(LayoutInflater.java:619) 
    at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:764) 
    at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704) 
    at android.view.LayoutInflater.rInflate(LayoutInflater.java:835) 
    at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798) 
    at android.view.LayoutInflater.rInflate(LayoutInflater.java:838) 
    at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798) 
    at android.view.LayoutInflater.inflate(LayoutInflater.java:515) 
    at android.view.LayoutInflater.inflate(LayoutInflater.java:423) 
    at android.view.LayoutInflater.inflate(LayoutInflater.java:374) 
    at android.support.v7.app.AppCompatDelegateImplV9.setContentView(AppCompatDelegateImplV9.java:287) 
    at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:139) 
    at com.afiqah.fyp.MainActivity.onCreate(MainActivity.java:17) 
    at android.app.Activity.performCreate(Activity.java:6323) 
    at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1108) 
    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2387) 
    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2494) 
    at android.app.ActivityThread.access$900(ActivityThread.java:153) 
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1347) 
    at android.os.Handler.dispatchMessage(Handler.java:102) 
    at android.os.Looper.loop(Looper.java:148) 
    at android.app.ActivityThread.main(ActivityThread.java:5451) 
    at java.lang.reflect.Method.invoke(Native Method) 
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726) 
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616) 

Here is my activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:background="@drawable/back"
tools:context=".MainActivity"
android:layout_height="match_parent">

<LinearLayout
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_alignParentTop="true"
    android:layout_centerHorizontal="true"
    android:layout_marginTop="123dp"
    android:orientation="vertical">

    <ImageView
        android:layout_width="321dp"
        android:layout_height="158dp"
        android:contentDescription="TODO"
        android:src="@drawable/logo" />

    <TextView
        android:id="@+id/txtSlogan"
        android:layout_width="match_parent"
        android:layout_height="106dp"
        android:gravity="center"
        android:text="@string/slogan"
        android:textColor="@android:color/black" />

</LinearLayout>

<LinearLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_alignParentBottom="true"
    android:layout_alignParentStart="true"
    android:layout_marginBottom="15dp"
    android:orientation="horizontal"
    android:weightSum="2">

    <info.hoang8f.widget.FButton
        android:id="@+id/btnSignUp"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_margin="8dp"
        android:layout_weight="1"
        android:text="Sign Up"
        android:textColor="@android:color/white"
        app:buttonColor="@color/btnSignUp"
        app:cornerRadius="4dp"
        app:shadowColor="@android:color/black"
        app:shadowEnabled="true" />

    <info.hoang8f.widget.FButton
        android:id="@+id/btnSignIn"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_margin="8dp"
        android:layout_weight="1"
        android:text="Sign In"
        android:textColor="@android:color/white"
        app:buttonColor="@color/btnSignActive"
        app:cornerRadius="4dp"
        app:shadowColor="@android:color/black"
        app:shadowEnabled="true" />

</LinearLayout>

Here is my AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>


<application
    android:allowBackup="true"
    android:icon="@mipmap/ic_launcher"
    android:label="@string/app_name"
    android:roundIcon="@mipmap/ic_launcher_round"
    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>

And here is my MainActivity.java

    public class MainActivity extends AppCompatActivity {

    Button btnSignIn,btnSignUp;
    TextView txtSlogan;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        btnSignIn = (Button)findViewById(R.id.btnSignIn);
        btnSignUp = (Button)findViewById(R.id.btnSignUp);

        txtSlogan = (TextView)findViewById(R.id.txtSlogan);
        Typeface face = Typeface.createFromAsset(getAssets(),"fonts/Nabila.ttf");
        txtSlogan.setTypeface(face);

        btnSignIn.setOnClickListener(new View.OnClickListener(){
            @Override
            public void onClick(View view){

            }
        });

        btnSignUp.setOnClickListener(new View.OnClickListener(){
            @Override
            public void onClick(View view){

            }
        });
    }
}

Does anyone know where my problem is? I need to solve it because this is my final year project.

Kingston Fortune :

LATEST UPDATE:

I think i found the answer, tho i havnt tested it out but its a more recent commit, and people have testified to it working see jd-alexander's comment here,

https://github.com/hoang8f/android-flat-button/issues/41#issuecomment-350491965

also, see the modified repo for hoang8f's flat android button here

https://github.com/jd-alexander/android-flat-button

incase you're a bit confused on how to implement it, you can see panpan1997's comment here

https://github.com/hoang8f/android-flat-button/issues/41#issuecomment-375702859

END

OLD POST BEGINS HERE

I believe youre following the "Eat-it" app tutorial on youtube. i faced the same challenge, and i also suspected as much that it had something to do with the 

info.hoang8f.widget.FButton

what i tried was going into my gradle file(app) and commenting out the the call to that api, also changing every occurence of it within the app to Button from info.hoang8f.widget.FButton so that i can work without the button and no more errors from it.

also check your styles.xml file if there's an error with "Theme", if there's none, try to inspect the code. it should show you if any of your files throws any errors.

if all else fails check here Error inflating class info.hoang8f.widget.FButton

you may need to change your gradle version if you are using android studio v3 your gradle version too will appear as 3, so you can downgrade it in build.gradle (Project) file, like:

buildscript {
    repositories {
        jcenter()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:2.3.3'

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

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