How To Create Splash Screen In Android Studio Java Code

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SplashActivity.java

    import androidx.appcompat.app.AppCompatActivity;


    import android.content.Intent;

    import android.os.Bundle;

    import android.view.Window;

    import android.view.WindowManager;


    public class SplashActivity extends AppCompatActivity {


        @Override

        protected void onCreate(Bundle savedInstanceState) {

            super.onCreate(savedInstanceState);


            Window window = getWindow() ;


            window.addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);

            setContentView(R.layout.activity_splash);




            Thread splashTread = new Thread(){


                @Override

                public void run() {

                    try {

                        sleep(3000);

                        startActivity(new Intent(getApplicationContext(),MainActivity.class));

                        finish();

                    } catch (InterruptedException e) {

                        e.printStackTrace();

                    }


                    super.run();

                }

            };


            splashTread.start();





        }


    }

---

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activity_splash

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

    <LinearLayout 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:layout_height="match_parent"

        android:orientation="vertical"

        tools:context=".SplashActivity">


        <ImageView

            android:layout_width="match_parent"

            android:layout_height="300dp"

            android:src="@drawable/logo"

            android:scaleType="centerCrop"

            android:padding="50dp"

            android:layout_marginTop="220dp"/>

        <ProgressBar

            android:layout_width="220dp"

            android:layout_height="10dp"

            android:layout_gravity="center_horizontal"

            style="?android:attr/progressBarStyleHorizontal"

            android:max="100"

            android:indeterminate="true"

            android:progress="0"

            android:layout_marginTop="100dp"


            />



    </LinearLayout> 

AndroidManifest.xml

<activity android:name=".MainActivity"></activity>
<activity android:name=".SplashActivity">

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />


                <category android:name="android.intent.category.LAUNCHER" />

            </intent-filter>

        </activity>

Android App Gives 2 App Icons

1. Open your app AndroidManifest.xml
2. At the bottom you will find this code.

      <intent-filter>
        <action android:name="android.intent.action.MAIN"/>
        <category android:name="android.intent.category.LAUNCHER"/>
      </intent-filter>

3. Delete this code.