android长截图工具下载,Android实现长截屏功能

不念不忘少年蓝@ 2022-10-16 01:53 256阅读 0赞

本文实例为大家分享了Android实现长截屏功能的具体代码，供大家参考，具体内容如下

1、MainActivity

public class MainActivity extends AppCompatActivity \{

ScrollView scrollView;

String sdRoot = Environment.getExternalStorageDirectory().getPath();

@Override

protected void onCreate(Bundle savedInstanceState) \{

super.onCreate(savedInstanceState);

setContentView(R.layout.activity\_main);

scrollView = (ScrollView) findViewById(R.id.scroll);

//权限

int permission\_write= ContextCompat.checkSelfPermission(this,

Manifest.permission.WRITE\_EXTERNAL\_STORAGE);

int permission\_read=ContextCompat.checkSelfPermission(this,

Manifest.permission.READ\_EXTERNAL\_STORAGE);

if(permission\_write!= PackageManager.PERMISSION\_GRANTED

|| permission\_read!=PackageManager.PERMISSION\_GRANTED)\{

Toast.makeText(this, "正在请求权限", Toast.LENGTH\_SHORT).show();

//申请权限，特征码自定义为1，可在回调时进行相关判断

ActivityCompat.requestPermissions(this,new String\[\]\{Manifest.permission.WRITE\_EXTERNAL\_STORAGE,Manifest.permission.READ\_EXTERNAL\_STORAGE\},1);

@Override

public void onWindowFocusChanged(boolean hasFocus) \{

shootScrollView(scrollView, "sdRoot");

// takeScreenshot();

super.onWindowFocusChanged(hasFocus);

@Override

protected void onResume() \{

super.onResume();

/\*\*

\* 截取scrollview的屏幕

\* \*\*/

public static Bitmap getScrollViewBitmap(ScrollView scrollView, String picpath) \{

int h = 0;

Bitmap bitmap;

// 获取listView实际高度

for (int i = 0; i < scrollView.getChildCount(); i++) \{

h += scrollView.getChildAt(i).getHeight();

scrollView.getChildAt(i).setBackgroundColor(Color.parseColor("\#ffffff"));

Log.d(TAG, "实际高度:" + h);

Log.d(TAG, " 高度:" + scrollView.getHeight());

// 创建对应大小的bitmap

bitmap = Bitmap.createBitmap(scrollView.getWidth(), h,

Bitmap.Config.ARGB\_8888);

final Canvas canvas = new Canvas(bitmap);

scrollView.draw(canvas);

// 测试输出

FileOutputStream out = null;

try \{

out = new FileOutputStream(picpath);

\} catch (FileNotFoundException e) \{

e.printStackTrace();

try \{

if (null != out) \{

bitmap.compress(Bitmap.CompressFormat.PNG, 100, out);

out.flush();

out.close();

\} catch (IOException e) \{

Log.d("TAG", "getScrollViewBitmap() returned: " + bitmap.getHeight());

return bitmap;

private static String TAG = "Listview and ScrollView item 截图:";

/\*\*

\* 截图listview

\* \*\*/

public static Bitmap getListViewBitmap(ListView listView, String picpath) \{

int h = 0;

Bitmap bitmap;

// 获取listView实际高度

for (int i = 0; i < listView.getChildCount(); i++) \{

h += listView.getChildAt(i).getHeight();

Log.d(TAG, "实际高度:" + h);

Log.d(TAG, "list 高度:" + listView.getHeight());

// 创建对应大小的bitmap

bitmap = Bitmap.createBitmap(listView.getWidth(), h,

Bitmap.Config.ARGB\_8888);

final Canvas canvas = new Canvas(bitmap);

listView.draw(canvas);

// 测试输出

FileOutputStream out = null;

try \{

out = new FileOutputStream(picpath);

\} catch (FileNotFoundException e) \{

e.printStackTrace();

try \{

if (null != out) \{

bitmap.compress(Bitmap.CompressFormat.PNG, 100, out);

out.flush();

out.close();

\} catch (IOException e) \{

return bitmap;

// 程序入口 截取ScrollView

public static void shootScrollView(ScrollView scrollView, String picpath) \{

// ScreenShot.savePic(getScrollViewBitmap(scrollView, picpath), picpath);

ScreenShot.saveMyBitmap(getScrollViewBitmap(scrollView, picpath), picpath);

// 程序入口 截取ListView

public static void shootListView(ListView listView, String picpath) \{

ScreenShot.savePic(getListViewBitmap(listView,picpath), picpath);

private void takeScreenshot() \{

Date now = new Date();

android.text.format.DateFormat.format("yyyy-MM-dd\_hh:mm:ss", now);

try \{

// image naming and path to include sd card appending name you choose for file

String mPath = Environment.getExternalStorageDirectory().toString() + "/" + now + ".jpg";

// create bitmap screen capture

View v1 = getWindow().getDecorView().getRootView();

v1.setDrawingCacheEnabled(true);

Bitmap bitmap = Bitmap.createBitmap(v1.getDrawingCache());

v1.setDrawingCacheEnabled(false);

File imageFile = new File(mPath);

FileOutputStream outputStream = new FileOutputStream(imageFile);

int quality = 100;

bitmap.compress(Bitmap.CompressFormat.JPEG, quality, outputStream);

outputStream.flush();

outputStream.close();

openScreenshot(imageFile);

\} catch (Throwable e) \{

// Several error may come out with file handling or OOM

e.printStackTrace();

private void openScreenshot(File imageFile) \{

Intent intent = new Intent();

intent.setAction(Intent.ACTION\_VIEW);

Uri uri = Uri.fromFile(imageFile);

intent.setDataAndType(uri, "image/\*");

startActivity(intent);

2.ScreenShot

public class ScreenShot\{

// 获取指定Activity的截屏，保存到png文件

public 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) \{

FileOutputStream fos = null;

Log.d("TAG", "savePic() returned: " );

try \{

fos = new FileOutputStream(strFileName);

if (null != fos) \{

b.compress(Bitmap.CompressFormat.PNG, 90, fos);

Log.d("TAG", "savePic() returned: " + b.getHeight());

fos.flush();

fos.close();

\} catch (FileNotFoundException e) \{

e.printStackTrace();

\} catch (IOException e) \{

e.printStackTrace();

// 程序入口 截取当前屏幕

public static void shootLoacleView(Activity a, String picpath) \{

ScreenShot.savePic(ScreenShot.takeScreenShot(a), picpath);

/\*\*

\* 保存bitmap到SD卡

\* @param bitName 保存的名字

\* @param mBitmap 图片对像

\* return 生成压缩图片后的图片路径

\*/

@SuppressLint("SdCardPath")

public static String saveMyBitmap(Bitmap mBitmap, String bitName) \{

String path = Environment.getExternalStorageDirectory()+"/"+bitName+".png";

File f = new File(path);

try \{

f.createNewFile();

\} catch (IOException e) \{

System.out.println("在保存图片时出错：" + e.toString());

FileOutputStream fOut = null;

try \{

fOut = new FileOutputStream(f);

\} catch (FileNotFoundException e) \{

e.printStackTrace();

try \{

mBitmap.compress(Bitmap.CompressFormat.PNG, 100, fOut);

\} catch (Exception e) \{

return "create\_bitmap\_error";

try \{

fOut.flush();

\} catch (IOException e) \{

e.printStackTrace();

try \{

fOut.close();

\} catch (IOException e) \{

e.printStackTrace();

// File file = new File(Environment.getExternalStorageDirectory(), System.currentTimeMillis()+".jpg");

// FileOutputStream out = null;

// try \{

// out = new FileOutputStream(file);

// mBitmap.compress(Bitmap.CompressFormat.JPEG, 90, out);

// System.out.println("\_\_\_\_\_\_\_\_\_\_\_保存的\_\_sd\_\_\_下\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_");

// \} catch (FileNotFoundException e) \{

// e.printStackTrace();

// \}

// try \{

// out.flush();

// out.close();

// \} catch (IOException e) \{

// e.printStackTrace();

// \}

return path;

// Toast.makeText(HahItemActivity.this,"保存已经至"+Environment.getExternalStorageDirectory()+"下", Toast.LENGTH\_SHORT).show();

3.xml

xmlns:app="http://schemas.android.com/apk/res-auto"

xmlns:tools="http://schemas.android.com/tools"

android:layout\_width="match\_parent"

android:layout\_height="match\_parent"

android:id="@+id/scroll"

tools:context=".MainActivity">

android:orientation="vertical"

android:layout\_width="match\_parent"

android:layout\_height="wrap\_content">

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持脚本之家。

android长截图工具下载,Android实现长截屏功能

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