Question

我想拍摄当前屏幕的截屏时，我点击一个按钮。任何人都可以提供一个Android代码。我需要将图像保存在画廊中。这是我试过的

public class CaptureScreenShots extends Activity {
LinearLayout L1;
ImageView image;
 @Override
     protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.screen_shots);
    L1 = (LinearLayout) findViewById(R.id.LinearLayout01);
    Button but = (Button) findViewById(R.id.munchscreen);
    but.setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View v) {
            View v1 = L1.getRootView();
            v1.setDrawingCacheEnabled(true);
            Bitmap bm = v1.getDrawingCache();
            BitmapDrawable bitmapDrawable = new BitmapDrawable(bm);
            image = (ImageView) findViewById(R.id.screenshots);
            image.setBackgroundDrawable(bitmapDrawable);
        }
    });
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
    getMenuInflater().inflate(R.menu.screen_shots, menu);
    return true;
}

}

Answer 1

private void getScreen(){
View v = view.getRootView();
v.setDrawingCacheEnabled(true);
Bitmap b = v.getDrawingCache();
String extr = Environment.getExternalStorageDirectory().toString();
File myPath = new File(extr, getString(R.string.free_tiket)+".jpg");
FileOutputStream fos = null;
try {
fos = new FileOutputStream(myPath);
b.compress(Bitmap.CompressFormat.JPEG, 100, fos);
fos.flush();
fos.close();
MediaStore.Images.Media.insertImage( getContentResolver(), b, "Screen", "screen");
} catch (FileNotFoundException e) {
   e.printStackTrace();
} catch (Exception e) {
   e.printStackTrace();

}

Answer 2

设置按钮单击侦听器

share = (Button)findViewById(R.id.share);
share.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View v) {
        Bitmap bitmap = takeScreenshot();
        saveBitmap(bitmap);

    }
});

然后你必须创建两个方法

public Bitmap takeScreenshot() {
View rootView = findViewById(android.R.id.content).getRootView();
rootView.setDrawingCacheEnabled(true);
return rootView.getDrawingCache();
}

public void saveBitmap(Bitmap bitmap) {
File imagePath = new File(Environment.getExternalStorageDirectory() + "/screenshot.png");
FileOutputStream fos;
try {
    fos = new FileOutputStream(imagePath);
    bitmap.compress(Bitmap.CompressFormat.PNG, 100, fos);
    fos.flush();
    fos.close();
} catch (FileNotFoundException e) {
    Log.e("GREC", e.getMessage(), e);
} catch (IOException e) {
    Log.e("GREC", e.getMessage(), e);
}
}

将此代码添加到您的应用程序后，运行该应用程序并检查您的本地存储，您已创建整页的屏幕截图。

Answer 3

我遵循了您的代码，当我单击按钮时，图像将存储为黑屏，这是因为我使用Surfaceview定制相机进行了开发...将完成的图像保存在本地存储中。

如何拍一个按钮点击屏幕截图可以任何人提供Android代码

3 个答案: