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