ScreenshotsUtil.java

package cn.nieking.screenshotsutil;

import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.Rect;
import android.util.Log;
import android.view.View;

import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

/**
 * Created by Liuxu on 2017/12/15.
 *
 * 截屏工具类
 */

public class ScreenshotsUtil {

    /**
     * 进行截取屏幕
     *
     * @param pActivity
     * @return bitmap
     */
    private static Bitmap takeScreenShot(Activity pActivity) {
        Bitmap bitmap;
        View view = pActivity.getWindow().getDecorView();
        // 设置是否可以进行绘图缓存
        view.setDrawingCacheEnabled(true);
        // 如果绘图缓存无法，强制构建绘图缓存
        view.buildDrawingCache();
        // 返回这个缓存视图
        bitmap = view.getDrawingCache();
        // 获取状态栏高度
        Rect frame = new Rect();
        // 测量屏幕宽和高
        view.getWindowVisibleDisplayFrame(frame);
        int statusHeight = frame.top;
        Log.d("jiangqq", "状态栏的高度为:" + statusHeight);

        int width = pActivity.getWindowManager().getDefaultDisplay().getWidth();
        int height = pActivity.getWindowManager().getDefaultDisplay().getHeight();
        // 根据坐标点和需要的宽和高创建bitmap
//        bitmap = Bitmap.createBitmap(bitmap, 0, statusHeight, width, height - statusHeight);
        // 全尺寸截屏
        bitmap = Bitmap.createBitmap(bitmap, 0, 0, width, height);
        return bitmap;
    }


    /**
     * 保存图片到sdcard中
     *
     * @param pBitmap
     */
    private static boolean savePic(Bitmap pBitmap, String strName) {
        FileOutputStream mFOStream;
        try {
            mFOStream = new FileOutputStream(strName);
            pBitmap.compress(Bitmap.CompressFormat.PNG, 90, mFOStream);
            mFOStream.flush();
            mFOStream.close();
            return true;

        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return false;
    }

    /**
     * 截图
     *
     * @param pActivity
     * @return 截图并且保存sdcard成功返回true，否则返回false
     */
    public static boolean shotBitmap(Activity pActivity) {
        return ScreenshotsUtil.savePic(takeScreenShot(pActivity), "sdcard/" + System.currentTimeMillis() + ".png");
    }
}