After updating android studio to 3.0 faced this problem

[hasssanshah7864]

10-30 12:12:17.610 26881-26881/? I/art: Late-enabling -Xcheck:jni 10-30 12:12:17.696 26881-26881/com.kidsapp W/System: ClassLoader referenced unknown path: /data/app/com.kidsapp-2/lib/arm 10-30 12:12:17.700 26881-26881/com.kidsapp D/ActivityThread: BIND_APPLICATION handled : 0 / AppBindData{appInfo=ApplicationInfo{32a37bc com.kidsapp}} 10-30 12:12:17.701 26881-26881/com.kidsapp V/ActivityThread: Handling launch of ActivityRecord{d5d3345 token=android.os.BinderProxy@2ac0a9a {com.kidsapp/com.kidsapp.Main2Activity}} startsNotResumed=false 10-30 12:12:17.717 26881-26881/com.kidsapp V/ActivityThread: ActivityRecord{d5d3345 token=android.os.BinderProxy@2ac0a9a {com.kidsapp/com.kidsapp.Main2Activity}}: app=android.app.Application@44113a8, appName=com.kidsapp, pkg=com.kidsapp, comp={com.kidsapp/com.kidsapp.Main2Activity}, dir=/data/app/com.kidsapp-2/base.apk 10-30 12:12:17.754 26881-26881/com.kidsapp W/art: Before Android 4.1, method android.graphics.PorterDuffColorFilter android.support.graphics.drawable.VectorDrawableCompat.updateTintFilter(android.graphics.PorterDuffColorFilter, android.content.res.ColorStateList, android.graphics.PorterDuff$Mode) would have incorrectly overridden the package-private method in android.graphics.drawable.Drawable 10-30 12:12:17.772 26881-26903/com.kidsapp I/System: FinalizerDaemon: finalize objects = 1 10-30 12:12:17.786 26881-26881/com.kidsapp E/MultiWindowProxy: getServiceInstance failed! 10-30 12:12:17.878 26881-26881/? D/AndroidRuntime: Shutting down VM 10-30 12:12:17.881 26881-26881/? E/AndroidRuntime: FATAL EXCEPTION: main Process: com.kidsapp, PID: 26881 java.lang.RuntimeException: Unable to start activity ComponentInfo{com.kidsapp/com.kidsapp.Main2Activity}: android.view.InflateException: Binary XML file line #0: Binary XML file line #0: Error inflating class com.github.pedrovgs.DraggableView at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2572) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2654) at android.app.ActivityThread.-wrap11(ActivityThread.java) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1488) at android.os.Handler.dispatchMessage(Handler.java:111) at android.os.Looper.loop(Looper.java:207) at android.app.ActivityThread.main(ActivityThread.java:5728) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:789) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:679) Caused by: android.view.InflateException: Binary XML file line #0: Binary XML file line #0: Error inflating class com.github.pedrovgs.DraggableView at android.view.LayoutInflater.inflate(LayoutInflater.java:539) at android.view.LayoutInflater.inflate(LayoutInflater.java:423) at android.view.LayoutInflater.inflate(LayoutInflater.java:374) at android.view.View.inflate(View.java:20171) at com.github.pedrovgs.DraggablePanel.initializeView(DraggablePanel.java:263) at com.kidsapp.Main2Activity.onCreate(Main2Activity.java:27) at android.app.Activity.performCreate(Activity.java:6301) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1113) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2519) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2654)  at android.app.ActivityThread.-wrap11(ActivityThread.java)  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1488)  at android.os.Handler.dispatchMessage(Handler.java:111)  at android.os.Looper.loop(Looper.java:207)  at android.app.ActivityThread.main(ActivityThread.java:5728)  at java.lang.reflect.Method.invoke(Native Method)  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:789)  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:679)  Caused by: android.view.InflateException: Binary XML file line #0: Error inflating class com.github.pedrovgs.DraggableView at android.view.LayoutInflater.createView(LayoutInflater.java:645) at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:764) at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704) at android.view.LayoutInflater.inflate(LayoutInflater.java:492) at android.view.LayoutInflater.inflate(LayoutInflater.java:423)  at android.view.LayoutInflater.inflate(LayoutInflater.java:374)  at android.view.View.inflate(View.java:20171)  at com.github.pedrovgs.DraggablePanel.initializeView(DraggablePanel.java:263)  at com.kidsapp.Main2Activity.onCreate(Main2Activity.java:27)  at android.app.Activity.performCreate(Activity.java:6301)  at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1113)  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2519)  at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2654)  at android.app.ActivityThread.-wrap11(ActivityThread.java)  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1488)  at android.os.Handler.dispatchMessage(Handler.java:111)  at android.os.Looper.loop(Looper.java:207)  at android.app.ActivityThread.main(ActivityThread.java:5728)  at java.lang.reflect.Method.invoke(Native Method)  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:789)  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:679)  Caused by: java.lang.reflect.InvocationTargetException at java.lang.reflect.Constructor.newInstance(Native Method) at android.view.LayoutInflater.createView(LayoutInflater.java:619) at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:764)  at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704)  at android.view.LayoutInflater.inflate(LayoutInflater.java:492)  at android.view.LayoutInflater.inflate(LayoutInflater.java:423)  at android.view.LayoutInflater.inflate(LayoutInflater.java:374)  at android.view.View.inflate(View.java:20171)  at com.github.pedrovgs.DraggablePanel.initializeView(DraggablePanel.java:263)  at com.kidsapp.Main2Activity.onCreate(Main2Activity.java:27)  at android.app.Activity.performCreate(Activity.java:6301)  at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1113)  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2519)  at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2654)  at android.app.ActivityThread.-wrap11(ActivityThread.java)  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1488)  at android.os.Handler.dispatchMessage(Handler.java:111)  at android.os.Looper.loop(Looper.java:207)  at android.app.ActivityThread.main(ActivityThread.java:5728)  at java.lang.reflect.Method.invoke(Native Method)  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:789)  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:679)  Caused by: java.lang.UnsupportedOperationException: Can't convert to dimension: type=0x12 at android.content.res.TypedArray.getDimensionPixelSize(TypedArray.java:666) at com.github.pedrovgs.DraggableView.initializeAttributes(DraggableView.java:680) at com.github.pedrovgs.DraggableView.(DraggableView.java:85) at java.lang.reflect.Constructor.newInstance(Native Method)  at android.view.LayoutInflater.createView(LayoutInflater.java:619)  at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:764)  at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704)  at android.view.LayoutInflater.inflate(LayoutInflater.java:492)  at android.view.LayoutInflater.inflate(LayoutInflater.java:423)  at android.view.LayoutInflater.inflate(LayoutInflater.java:374)  at android.view.View.inflate(View.java:20171)  at com.github.pedrovgs.DraggablePanel.initializeView(DraggablePanel.java:263)  at com.kidsapp.Main2Activity.onCreate(Main2Activity.java:27)  at android.app.Activity.performCreate(Activity.java:6301)  at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1113)  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2519)  at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2654)  at android.app.ActivityThread.-wrap11(ActivityThread.java)  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1488)  at android.os.Handler.dispatchMessage(Handler.java:111)  at android.os.Looper.loop(Looper.java:207)  at android.app.ActivityThread.main(ActivityThread.java:5728)  at java.lang.reflect.Method.invoke(Native Method)  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:789)  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:679)  10-30 12:12:17.892 26881-26881/? I/Process: Sending signal. PID: 26881 SIG: 9

---

apply plugin: 'com.android.application'

android { compileSdkVersion 26 defaultConfig { applicationId "com.kidsapp" minSdkVersion 16 targetSdkVersion 26 versionCode 1 versionName "1.0" testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"

}

buildTypes {
    release {
        minifyEnabled false
        proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
    }
}

}

dependencies { implementation fileTree(include: ['*.jar'], dir: 'libs') implementation 'com.android.support:appcompat-v7:26.1.0' implementation 'com.android.support.constraint:constraint-layout:1.0.2' testImplementation 'junit:junit:4.12' androidTestImplementation 'com.android.support.test:runner:1.0.1' androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1' implementation files('libs/google-api-services-youtube-v3-rev182-1.22.0.jar') implementation files('libs/YouTubeAndroidPlayerApi.jar') compile 'com.amitshekhar.android:android-networking:1.0.0' compile 'com.squareup.picasso:picasso:2.5.2' compile 'com.github.pedrovgs:draggablepanel:1.9'

}

---

<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context="com.kidsapp.Main2Activity">

<com.github.pedrovgs.DraggablePanel
    android:id="@+id/draggable_panel"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

</com.github.pedrovgs.DraggablePanel>

<Button
    android:id="@+id/button"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_centerInParent="true"
    android:text="Click Me" />

---

package com.kidsapp;

import android.os.Handler; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Button;

import com.github.pedrovgs.DraggablePanel;

public class Main2Activity extends AppCompatActivity {

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main2);

    Button button;
    final DraggablePanel draggablePanel;
    draggablePanel = findViewById(R.id.draggable_panel);

    draggablePanel.setFragmentManager(getSupportFragmentManager());
    draggablePanel.setTopFragment(new One());
    draggablePanel.setBottomFragment(new Two());
    draggablePanel.setTopViewHeight(300);
    draggablePanel.initializeView();

    Handler handler = new Handler();

    handler.postDelayed(new Runnable() {
        @Override
        public void run() {
            draggablePanel.closeToLeft();
        }
    },100);

    button = findViewById(R.id.button);

    button.setOnClickListener(
            new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    draggablePanel.maximize();
                }
            }
    );

}

}