Monday, April 1, 2024

Android java source code com.dedetok.turuntirta

This is source code for com.dedetok.turuntirta and com.dedetok.bramara. I keep using legacy MediaPlayer.

Put turuntirta.mp3 in folder [Workspace]/Wargasari/app/src/main/res/raw/

build.gradle.kts (Module: app)

plugins {
    id("com.android.application")
}

android {
    namespace = "com.dedetok.turuntirta"
    compileSdk = 34

    defaultConfig {
        applicationId = "com.dedetok.turuntirta"
        minSdk = 24
        targetSdk = 34
        versionCode = 202402
        versionName = "2024.02"

        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
    }

    buildTypes {
        release {
            isMinifyEnabled = false
            proguardFiles(
                getDefaultProguardFile("proguard-android-optimize.txt"),
                "proguard-rules.pro"
            )
        }
    }
    compileOptions {
        sourceCompatibility = JavaVersion.VERSION_1_8
        targetCompatibility = JavaVersion.VERSION_1_8
    }
}

dependencies {

    implementation("androidx.appcompat:appcompat:1.6.1")
    implementation("com.google.android.material:material:1.11.0")
    implementation("androidx.constraintlayout:constraintlayout:2.1.4")
    testImplementation("junit:junit:4.13.2")
    androidTestImplementation("androidx.test.ext:junit:1.1.5")
    androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
    implementation("com.google.android.gms:play-services-ads-lite:23.0.0")
}

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools">
    <!-- For apps targeting Android 13 or higher & GMA SDK version 20.3.0 or lower -->
    <uses-permission android:name="com.google.android.gms.permission.AD_ID"/>
    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>

    <!-- permission for media player -->
    <uses-permission android:name="android.permission.WAKE_LOCK" />

    <!-- android:enableOnBackInvokedCallback="true" Back Pressed Target API level>33 -->
    <application
        android:allowBackup="true"
        android:dataExtractionRules="@xml/data_extraction_rules"
        android:fullBackupContent="@xml/backup_rules"
        android:icon="@mipmap/my_ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/my_ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/Theme.TurunTirta"
        tools:targetApi="31"
        android:enableOnBackInvokedCallback="true"
        >
        <activity
            android:name=".MainActivity"
            android:exported="true"
            android:configChanges="orientation|screenSize"
            >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <!-- Sample AdMob app ID: ca-app-pub-3940256099942544~3347511713 -->
        <!-- AD App ID: ca-app-pub-0220748109202708~7061470683 : AndroidManifest.xml -->
        <meta-data
            android:name="com.google.android.gms.ads.APPLICATION_ID"
            android:value="ca-app-pub-0220748109202708~7061470683"
            />
    </application>

</manifest>

res -> values -> strings.xml

<resources>
    <string name="app_name" translatable="false">Kidung Turun Tirta</string>

    <string-array name="kidung">
        <item>Turun tirta saking luhur|\nMenyiratan pemangkune|\nMekalangan muncrat mumbul|\nMapan tirtha merta jati|\nPaican Bhatara sami|\nPanglukatan dasa mala|\nSami pada lebur|\nMalene ring gumi||</item>
        <item>Meketis ping tiga sampun|\nPabahan Siwa dwarane|\nWasuhane raris kinum|\nPing tiga lantas mesugi|\nRing waktra megentos genti|\nToya amertha Hyang Widhine|\nSami sampun puput|\nMengalangin hati||</item>
    </string-array>

    <array name="my_font_size">
        <item>18</item>
        <item>24</item>
        <item>32</item>
        <item>42</item>
    </array>
    <string name="dialog_title">Exit Application</string>
    <string name="dialog_message">Do you want to exit application?</string>
    <string name="play_pause">Play/Pause</string>
    <string name="zoom_in">Zoom In</string>
    <string name="zoom_out">Zoom Out</string>
    <string name="bait">Stanza</string>
    <string name="play_repeat">Repeat play</string>

</resources>

res -> values -> ic_launcher_background.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <color name="ic_launcher_background">#FFFFFF</color>
</resources>

res -> Layout -> layout_stanza.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.appcompat.widget.LinearLayoutCompat
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="vertical"
    >

    <androidx.appcompat.widget.AppCompatTextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/stanza_title"
        android:textColor="#9C27B0"
        />
    <androidx.appcompat.widget.AppCompatTextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/stanza_content"
        />

</androidx.appcompat.widget.LinearLayoutCompat>

res -> Layout -> activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.appcompat.widget.LinearLayoutCompat
    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"
    tools:context=".MainActivity"
    android:orientation="vertical"
    >

    <androidx.appcompat.widget.LinearLayoutCompat
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        >

        <androidx.appcompat.widget.AppCompatButton
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:id="@+id/b_zoom_in"
            android:text="@string/zoom_in"
            />
        <androidx.appcompat.widget.AppCompatButton
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:id="@+id/b_zoom_out"
            android:text="@string/zoom_out"
            />
    </androidx.appcompat.widget.LinearLayoutCompat>

    <androidx.recyclerview.widget.RecyclerView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/my_recycler_view"
        android:scrollbars="vertical"
        android:layout_weight="1"
        />

    <androidx.appcompat.widget.AppCompatSeekBar
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/my_seekbar"
        />

    <androidx.appcompat.widget.LinearLayoutCompat
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        android:layout_gravity="center">
        <androidx.appcompat.widget.AppCompatImageButton
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:id="@+id/my_play"
            android:src="@android:drawable/ic_media_play"
            android:layout_gravity="center_horizontal"
            android:contentDescription="@string/play_pause"
            />
        <androidx.appcompat.widget.SwitchCompat
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:id="@+id/switch_repeat"
            android:layout_gravity="center_horizontal"
            android:contentDescription="@string/play_repeat"
            android:text="@string/play_repeat"
            />
    </androidx.appcompat.widget.LinearLayoutCompat>

    <!-- Sample AdMob unit ID: ca-app-pub-3940256099942544/6300978111 -->
    <!-- AD Unit ID: ca-app-pub-0220748109202708/8538203883 : layout -->
    <com.google.android.gms.ads.AdView
        android:id="@+id/adView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        app:adSize="BANNER"
        android:layout_gravity="end|center"
        app:adUnitId="ca-app-pub-0220748109202708/8538203883"
        />
</androidx.appcompat.widget.LinearLayoutCompat>

java -> StanzaContainer.java

package package com.dedetok.wargasari;;

public class StanzaContainer {

    public String stanzaTitle;
    public String stanzaContent;

    public StanzaContainer(String stanzaTitle, String stanzaContent) {
        this.stanzaTitle = stanzaTitle;
        this.stanzaContent = stanzaContent;

    }
}

java -> MyAdapter.java

package com.dedetok.wargasari;

import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import androidx.annotation.NonNull;
import androidx.appcompat.widget.AppCompatTextView;
import androidx.recyclerview.widget.RecyclerView;

import java.util.ArrayList;

public class MyAdapter extends RecyclerView.Adapter  {

    ArrayList<StanzaContainer>  myStanza;

    int myUnitTextSize;
    float myTextSize;

    public MyAdapter(ArrayList<StanzaContainer> myStanza, int unit, float size) {
        this.myStanza = myStanza;
        this.myUnitTextSize = unit;
        this.myTextSize = size;

    }

    @NonNull
    @Override
    public MyHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
        View view = LayoutInflater.from(parent.getContext()).
            inflate(R.layout.layout_stanza, parent, false);
        return new MyAdapter.MyHolder(view);
    }

    @Override
    public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
        StanzaContainer myTmpStanza = myStanza.get(position);
        ((MyHolder) holder).stanzaTitle.setText(myTmpStanza.stanzaTitle);
        ((MyHolder) holder).stanzaTitle.setTextSize(myUnitTextSize, myTextSize);
        ((MyHolder) holder).stanzaContent.setText(myTmpStanza.stanzaContent);
        ((MyHolder) holder).stanzaContent.setTextSize(myUnitTextSize, myTextSize);
    }

    @Override
    public int getItemCount() {
        return myStanza.size();
    }

    public void changeFontSize(int unit, float size) {
        this.myUnitTextSize = unit;
        this.myTextSize = size;
        notifyDataSetChanged();
    }

    private class MyHolder extends RecyclerView.ViewHolder {

        public AppCompatTextView stanzaTitle, stanzaContent;

        public MyHolder(@NonNull View itemView) {
            super(itemView);

            stanzaTitle = itemView.findViewById(R.id.stanza_title);
            stanzaContent = itemView.findViewById(R.id.stanza_content);
        }
    }
}

java -> MainActivity.java

package com.dedetok.turuntirta;

import static android.util.TypedValue.COMPLEX_UNIT_SP;
import androidx.activity.OnBackPressedCallback;
import androidx.activity.OnBackPressedDispatcher;
import androidx.annotation.NonNull;
import androidx.appcompat.app.AlertDialog;
import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.AppCompatButton;
import androidx.appcompat.widget.AppCompatImageButton;
import androidx.appcompat.widget.AppCompatSeekBar;
import androidx.appcompat.widget.SwitchCompat;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import android.content.DialogInterface;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.res.Configuration;
import android.content.res.TypedArray;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.os.PowerManager;
import android.view.View;
import android.widget.CompoundButton;
import android.widget.SeekBar;
import com.google.android.gms.ads.AdRequest;
import com.google.android.gms.ads.AdView;
import java.util.ArrayList;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

public class MainActivity extends AppCompatActivity {

    MediaPlayer myMediaPlayer = null;
    AppCompatSeekBar mySeekBar;
    int cTextSizeState = 0;
    TypedArray availFontSize;
    float defaultTextSize = 18;
    boolean myPlayerStatus = false;
    private Bundle myBundle;
    private int myCurrentPos =0;
    static final String STATE_MY_PLAYER_STATUS = "currentStatus";
    static final String STATE_MY_PLAYER_POSITION = "currentPosition";
    AppCompatImageButton myPlayButton; //20240302
    // handler to update seekbar
    final Handler myHandler = new Handler(Looper.getMainLooper()); // new Handler() deprecated 20240302

    //20240423
    PowerManager.WakeLock wakeLock;

    /*
     * ## activity life cycle 1 ##
     */
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        // add version number from gradle into activity title
        try {
            PackageInfo myPackage = getPackageManager().getPackageInfo(getPackageName(),0);
            String myTitle =  getString(R.string.app_name)+" "+myPackage.versionName;
            setTitle(myTitle);
        } catch (PackageManager.NameNotFoundException e) {
            // Do Nothing, pass process
        }

        // ads:adUnitId ca-app-pub-0220748109202708/8538203883 : AdView in Layout
        // app id ca-app-pub-0220748109202708~7061470683    : AndroidManifest.xml
        AdView mAdView = findViewById(R.id.adView);
        AdRequest adRequest = new AdRequest.Builder().build();
        mAdView.loadAd(adRequest);

        // Button Play 20240302
        myPlayButton = findViewById(R.id.my_play);
        myPlayButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                if (myPlayerStatus) {
                    // pause
                    pauseMedia();
                } else {
                    // play
                    playMedia();
                }
            }
        });

        // seekbar
        mySeekBar = findViewById(R.id.my_seekbar);
        mySeekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
            @Override
            public void onProgressChanged(SeekBar seekBar, int myProgress, boolean isFromUser) {

                if (isFromUser) {
                    if (myMediaPlayer!=null) {
                        myMediaPlayer.seekTo(myProgress);
                    }
                }
            }

            @Override
            public void onStartTrackingTouch(SeekBar seekBar) {
                // DO NOTHING
            }

            @Override
            public void onStopTrackingTouch(SeekBar seekBar) {
                // DO NOTHING
            }
        });

        // recyclerview
        availFontSize = getResources().obtainTypedArray(R.array.my_font_size);
        RecyclerView myRecyclerView = findViewById(R.id.my_recycler_view);
        LinearLayoutManager myLinearLayout = new LinearLayoutManager(getApplicationContext());
        myLinearLayout.setOrientation(LinearLayoutManager.VERTICAL);
        myRecyclerView.setLayoutManager(myLinearLayout);
        MyAdapter myAdapter = new MyAdapter(getTexts(), COMPLEX_UNIT_SP, availFontSize.getFloat(cTextSizeState, defaultTextSize));
        myRecyclerView.setAdapter(myAdapter);

        // button zoom text
        AppCompatButton bZoomOut = findViewById(R.id.b_zoom_out);
        bZoomOut.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                if (cTextSizeState==0) {
                    //Log.i("Font Change", "Zoom out do nothing");
                }  else {
                    cTextSizeState--;
                    myAdapter.changeFontSize(COMPLEX_UNIT_SP,availFontSize.getFloat(cTextSizeState, defaultTextSize));
                    //Log.i("Font Change", Float.toString(availFontSize.getFloat(cTextSizeState,defaultTextSize)));
                }
            }
        });
        AppCompatButton bZoomIn = findViewById(R.id.b_zoom_in);
        bZoomIn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                if (cTextSizeState+1==availFontSize.length()) {
                    //Log.i("Font Change", "Zoom in do nothing");
                }  else {
                    cTextSizeState++;
                    myAdapter.changeFontSize(COMPLEX_UNIT_SP,availFontSize.getFloat(cTextSizeState, defaultTextSize));
                    //Log.i("Font Change", Float.toString(availFontSize.getFloat(cTextSizeState,defaultTextSize)));
                }
            }
        });

        // to save state if user switch to / from other application
        myBundle = savedInstanceState; // added multimedia

        // onBackPressed() deprecated -> OnBackPressedCallback & getOnBackPressedDispatcher()
        // dispatcher
        OnBackPressedDispatcher myOnbackPressedDispatcher = getOnBackPressedDispatcher();
        // callback on back key pressed
        OnBackPressedCallback myBackPressedCallback = new OnBackPressedCallback(true) {
            @Override
            public void handleOnBackPressed() {
                // Log.e("dedetok", "handleOnBackPressed()"); //debug
                AlertDialog.Builder myAlertDialog = new AlertDialog.Builder(
                        MainActivity.this);
                myAlertDialog.setTitle(R.string.dialog_title).
                        setMessage(R.string.dialog_message).
                        setIcon(android.R.drawable.ic_dialog_alert).
                        setPositiveButton(android.R.string.yes, new DialogInterface.OnClickListener() {
                            @Override
                            public void onClick(DialogInterface dialogInterface, int i) {
                                // finish() will execute onDestroy()
                                finish();
                            }
                        }).
                        setNegativeButton(android.R.string.no, new DialogInterface.OnClickListener() {
                            @Override
                            public void onClick(DialogInterface dialogInterface, int i) {
                                // do nothing
                            }
                        }).
                        show();

            }
        };
        // add callback to dispatcher
        myOnbackPressedDispatcher.addCallback(this, myBackPressedCallback);

        //20240422
        SwitchCompat sRepeat = findViewById(R.id.switch_repeat);
        sRepeat.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton compoundButton, boolean booleanRepeat) {
                //myDataProvider.setRepeat(booleanRepeat);
                if (myMediaPlayer!=null) {
                    myMediaPlayer.setLooping(booleanRepeat);
                }
            }
        });

    }

    // ## activity life cycle 2 ##
    // onStart() 20240302
    @Override
    protected void onStart() {
        super.onStart();
        // 20240423
        // Android N (7.0) or latter MediaPlayer should create in OnStart
        // Media Player
        // preparing mediaplayer
        // no need to call prepare(); create() does that for you
        if (myMediaPlayer==null) {
            myMediaPlayer = MediaPlayer.create(getApplicationContext(), R.raw.turuntirta);
        }
        myMediaPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
            @Override
            public void onCompletion(MediaPlayer mediaPlayer) {
                // seekbar at start and stop thread
                myPlayerStatus = mediaPlayer.isPlaying();
                myCurrentPos=0;
                mySeekBar.setProgress(myCurrentPos);
                if (!myMediaPlayer.isLooping()) {
                    pauseMedia();
                }
            }
        });
    }

    /*
     * ## activity life cycle 3 ## 20240302
     *    activity process 3
     *    onResume()
     *    @Override onRestoreInstanceState(Bundle savedInstanceState) ?
     */
    @Override
    public void onResume() {
        super.onResume();

        loadMyState();
        // link mySeekbar to myPlayer
        mySeekBar.setMax(myMediaPlayer.getDuration());
        if (myPlayerStatus && !myMediaPlayer.isPlaying()) {
            playMedia();
        }
        if (myMediaPlayer.isPlaying()) {
            myMediaPlayer.seekTo(myCurrentPos);
        }
    }

    /*
     * ## activity life cycle 4 ## 20240302
     * onPause()
     * @Override onSaveInstanceState(Bundle outState) ?
     */
    @Override
    public void onPause() {
        super.onPause();
    }

    // ## activity life cycle 5 ## 20240302
    @Override
    protected void onStop() {
        saveMyState();

        // 20240213
        // Android N (7.0) or latter MediaPlayer should stop and release in OnStop
        // we meed to keep play media even if screen does not on top
        // move release resource to onDestroy()
        super.onStop();

    }

    /*
     * ## activity life cycle 5 ## 20240302
     * clean up onDestroy()
     */
    @Override
    public void onDestroy() {
        //Log.e("dedetok","onDestroy Activity"); //debug

        // 20240423
        // release all media resources
        // release lock and executor include in funcion pauseMedia()
        pauseMedia();
        if (myMediaPlayer != null) {
            myMediaPlayer.release();
            myMediaPlayer = null;
        }

        super.onDestroy();

    }

    /* 20240302
     * onConfigurationChanged Called:
     * - after orientation change
     */
    @Override
    public void onConfigurationChanged(@NonNull Configuration newConfig) {
        super.onConfigurationChanged(newConfig);
        // DO NOTHING
    }

    /* 20240302
     * onSaveInstanceState Called:
     * - after switch to other application
     * - after onConfigurationChanged
     */
    @Override
    protected void onSaveInstanceState(@NonNull Bundle outState) {
        super.onSaveInstanceState(outState);
        //Log.e("dedetok", "onSaveInstanceState"); // debug
        // TODO save something
    }

    /* 20240302
     * onRestoreInstanceState Called:
     * - after back to application
     * - after onConfigurationChanged
     */
    @Override
    protected void onRestoreInstanceState(@NonNull Bundle savedInstanceState) {
        super.onRestoreInstanceState(savedInstanceState);
        //Log.e("dedetok", "onRestoreInstanceState"); // debug
        // TODO save something

    }

    private ArrayList<StanzaContainer> getTexts() {
        String[] kidung = getResources().getStringArray(R.array.kidung);
        int numKidung = kidung.length;
        ArrayList<StanzaContainer> myStanza = new ArrayList<StanzaContainer>();
        for (int i=0;i<numKidung; i++) {
            int j=i+1;
            String stanzaTitle = getString(R.string.bait)+" "+j;
            StanzaContainer myTmpStanza = new StanzaContainer(stanzaTitle, kidung[i]);
            myStanza.add(myTmpStanza);
        }
        //Log.i("array",Integer.toString(kidunglist.length));
        return myStanza;
    }

    /*
     * to load state
     */
    void loadMyState() {
        if (myBundle != null) {
            super.onRestoreInstanceState(myBundle);
            // Save the user's current media player state
            myCurrentPos = myBundle.getInt(STATE_MY_PLAYER_POSITION);
            myPlayerStatus = myBundle.getBoolean(STATE_MY_PLAYER_STATUS);
        }
    }


    /*
     * to save state
     */
    void saveMyState() {
        if (myBundle != null) {
            myBundle.putInt(STATE_MY_PLAYER_POSITION, myCurrentPos);
            myBundle.putBoolean(STATE_MY_PLAYER_STATUS, myPlayerStatus);
            super.onSaveInstanceState(myBundle);
        }
    }

    // 20240302
    void playMedia() {
        //Log.e("dedetok", "playMedia create execcutor"); // debugg
        executor = Executors.newSingleThreadExecutor();

        //Log.e("dedetok", "playMedia wakelock and start"); // debugg

        // 20240423
        // try to get WAKE_LOCK
        if (wakeLock==null) {
            PowerManager powerManager = (PowerManager) getSystemService(POWER_SERVICE);
            wakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
                    "MyApp::com.dedetok.turuntirta");
        }
        wakeLock.acquire();
        myMediaPlayer.setWakeMode(this, PowerManager.PARTIAL_WAKE_LOCK);
        myMediaPlayer.start();

        // set icon to pause
        myPlayButton.setImageResource(android.R.drawable.ic_media_pause);
        myPlayerStatus = myMediaPlayer.isPlaying();

        //Log.e("dedetok", "playMedia seekbar"); // debugg

        // update seekbar TODO CRASH
        executor.submit(mySeekbarUpdater);
    }

    // 20240302
    void pauseMedia() {
        //Log.e("dedetok", "pauseMedia pause"); // debugg
        myMediaPlayer.pause();
        // set icon to play
        myPlayButton.setImageResource(android.R.drawable.ic_media_play);
        myPlayerStatus = myMediaPlayer.isPlaying();

        //Log.e("dedetok", "pauseMedia waklock release"); // debugg

        // 20240423
        // try to release WAKE_LOCK
        if (wakeLock!=null) {
            wakeLock.release();
        }
        //Log.e("dedetok", "pauseMedia executor release"); // debugg
        if (executor!=null) {
            executor.shutdown();
        }
    }

    /* 20240302
     * Thread to update seekbar during mediaplayer run
     */
    ExecutorService executor = Executors.newSingleThreadExecutor();
    Runnable mySeekbarUpdater = new Runnable() {
        @Override
        public void run() {
            if (myMediaPlayer!=null) {
                if (myMediaPlayer.isPlaying()) {
                    myCurrentPos = myMediaPlayer.getCurrentPosition();
                    mySeekBar.setProgress(myCurrentPos);
                    myHandler.postDelayed(this, 500); // 500 millisecond
                }
            }
        }
    };
}


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