android 屏幕截屏源码分享

package net.canking.shottest;

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.view.View;

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;

// 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, statusBarHeight, width, height
- statusBarHeight);
view.destroyDrawingCache();
return b;
}

private static void savePic(Bitmap b, File filePath) {
FileOutputStream fos = null;
try {
fos = new FileOutputStream(filePath);
if (null != fos) {
b.compress(Bitmap.CompressFormat.PNG, 100, fos);
fos.flush();
fos.close();
}
} catch (FileNotFoundException e) {
// e.printStackTrace();
} catch (IOException e) {
// e.printStackTrace();
}
}

public static void shoot(Activity a, File filePath) {
if (filePath == null) {
return;
}
if (!filePath.getParentFile().exists()) {
filePath.getParentFile().mkdirs();
}
ScreenShot.savePic(ScreenShot.takeScreenShot(a), filePath);
}
}