android截取屏幕图

来源：互联网发布：vb.net 调用 web api 编辑：程序博客网时间：2024/06/05 10:22
Java代码
    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.view.View;      //获取指定Activity的截屏，保存到png文件      public class ScreenShot {                    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                private static void savePic(Bitmap b, String strFileName) {                    FileOutputStream fos = null;              try {                  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();              }          }                // 程序入口          public static void shoot(Activity a) {              ScreenShot.savePic(ScreenShot.takeScreenShot(a), Environment.getExternalStorageDirectory()+"/xx.png");          }      }