Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.io.File;

import android.content.Context;

import android.graphics.Bitmap;

import android.media.MediaMetadataRetriever;

import android.text.TextUtils;

public class Main {

    public static Bitmap getVideoScreenshotBitmap(Context context, String videoPath) {
        if (TextUtils.isEmpty(videoPath) || !new File(videoPath).exists()) {
            return null;
        }
        Bitmap bitmap = null;
        MediaMetadataRetriever mediaMetadataRetriever = new MediaMetadataRetriever();
        mediaMetadataRetriever.setDataSource(videoPath);
        bitmap = mediaMetadataRetriever.getFrameAtTime(0);
        return bitmap;
    }

    /**
     * Returns true if the string is null or 0-length.
     * 
     * @param str
     *            the string to be examined
     * @return true if str is null or zero length
     */
    public static boolean isEmpty(CharSequence str) {
        if (str == null || str.length() == 0 || "null".equals(str.toString().trim()))
            return true;
        else
            return false;
    }
}