Android ScreenShot 屏幕截图

刘辰钊
2023-12-01

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.Rect;
import android.os.Environment;
import android.util.Log;
import android.view.View;
import android.widget.Toast;

public class ScreenShot {
    /**
     * @author Rain
     */
    
    // 获取指定Activity的截屏,保存到png文件
    private static Bitmap takeScreenShot(Activity activity) {

        // View是你需要截图的View
        View view = activity.getWindow().getDecorView();
        view.setDrawingCacheEnabled(true);
        view.buildDrawingCache();
        Bitmap b1 = view.getDrawingCache();

        // 获取状态栏高度
        Rect frame = new Rect();
        activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(frame);
        int statusBarHeight = frame.top;
        System.out.println(statusBarHeight);

        // 获取屏幕长和高
        int width = activity.getWindowManager().getDefaultDisplay().getWidth();
        int height = activity.getWindowManager().getDefaultDisplay().getHeight();

        // 去掉标题栏
        // Bitmap b = Bitmap.createBitmap(b1, 0, 25, 320, 455);
        Bitmap b = Bitmap.createBitmap(
                b1, 0, statusBarHeight, width, height- statusBarHeight);
        view.destroyDrawingCache();
        return b;
    }

    // 保存到sdcard
    public  static void savePic(Bitmap b, String strFileName) {
        try {
            File file = new File(strFileName);
            if (!file.getParentFile().exists()) {
                file.getParentFile().mkdirs();
            }
            FileOutputStream fos = new FileOutputStream(strFileName);
            if (null != fos) {
                b.compress(Bitmap.CompressFormat.PNG, 90, fos);
                fos.flush();
                fos.close();
            }
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    // 调用接口
    public static void shoot(Activity a,String filename) {
        if (a==null) {
            System.err.println("Activity is Null!");
            return;
        }
        if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)){
            System.err.println("ExternalStorageState is "
                    + Environment.getExternalStorageState());
            return;
        }
        File file = Environment.getExternalStorageDirectory();
        ScreenShot.savePic(ScreenShot.takeScreenShot(a), file.getPath() +
                "/ScreenShot/" + filename + "-"+ System.currentTimeMillis() + ".png");

    }
}

本文链接: http://blog.csdn.net/lechengyuyuan/article/details/16987677

 类似资料: