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How can I make my custom objects Serializable?
This example demonstrate about how can I make my custom objects Serializable
Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.
Step 2 − Add the following code to res/layout/activity_main.xml.
<?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:gravity = "center" android:layout_height = "match_parent" tools:context = ".MainActivity" android:orientation = "vertical"> <Button android:id = "@+id/parcleObject" android:layout_width = "wrap_content" android:layout_height = "wrap_content" android:layout_alignParentTop = "true" android:layout_centerHorizontal = "true" android:layout_marginTop = "27dp" android:text = "Click here"/> </LinearLayout>
In the above code, we have taken button view to show Serializable object values.
Step 3 − Add the following code to src/MainActivity.java
package com.example.myapplication;
import android.os.Build;
import android.os.Bundle;
import android.support.annotation.RequiresApi;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Toast;
public class MainActivity extends AppCompatActivity {
serializableObject sample;
@RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
findViewById(R.id.parcleObject).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
sample = new serializableObject("sairamkrishna Mammahe");
Toast.makeText(MainActivity.this,sample.getName(),Toast.LENGTH_LONG).show();
}
});
}
}Step 3 − Add the following code to src/ serializableObject.java
package com.example.myapplication;
import java.io.Serializable;
class serializableObject implements Serializable {
String name;
public serializableObject(String name) {
this.name = name;
}
public String getName() {
return name;
}
}Let's try to run your application. I assume you have connected your actual Android Mobile device with your computer. To run the app from android studio, open one of your project's activity files and click Run 
icon from the toolbar. Select your mobile device as an option and then check your mobile device which will display your default screen –
Now click onbutton, it will show the result as shown below –
Click here to download the project code
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