Below code shows how to implement Page Curl effect in android apps.

Below are the List of java and xml File.

xml File

1. main.xml

Java File

1. EffectingActivity.java

2. PageCurlEffect.java

Below are the code for java and xml file.

main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent" >

    <com.devappandroid.pagecurl.PageCurlEffect
        android:id="@+id/dcgpagecurlPageCurlView1"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:background="@drawable/page1" >
    </com.devappandroid.pagecurl.PageCurlEffect>

</LinearLayout>

EffectingActivity.java

package com.devappandroid.pagecurl;

import android.app.Activity;
import android.content.pm.ActivityInfo;
import android.os.Bundle;

public class EffectingActivity extends Activity {

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		this.setContentView(R.layout.main);
	}

	@Override
	public void onDestroy() {
		super.onDestroy();
		System.gc();
		finish();
	}
	public void lockOrientationLandscape() {
		lockOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
	}
	public void lockOrientationPortrait() {
		lockOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
	}
	public void lockOrientation(int orientation) {
		setRequestedOrientation(orientation);
	}
}