Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Artistic License 

import java.util.concurrent.atomic.AtomicInteger;
import android.annotation.SuppressLint;
import android.os.Build;
import android.view.View;

public class Main {
    private static final AtomicInteger sNextGeneratedId = new AtomicInteger(1);

    @SuppressLint("NewApi")
    public static int generateId() {
        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) {

            return generateViewId();
        } else {

            return View.generateViewId();
        }
    }

    /**
     * Generate a value suitable for use in {@link #setId(int)}.
     * This value will not collide with ID values generated at build time by aapt for R.id.
     *
     * @return a generated ID value
     */
    private static int generateViewId() {
        for (;;) {
            final int result = sNextGeneratedId.get();
            // aapt-generated IDs have the high byte nonzero; clamp to the range under that.
            int newValue = result + 1;
            if (newValue > 0x00FFFFFF)
                newValue = 1; // Roll over to 1, not 0.
            if (sNextGeneratedId.compareAndSet(result, newValue)) {
                return result;
            }
        }
    }
}