Android仿QQ复制昵称效果

public class CopyContentPopWindow extends PopupWindow {  private final View content; TextView tvLabel; TextView tvLabelFake; Activity context; private OnCopyContentListener onCopyContentListener; public CopyContentPopWindow(Activity context) {  LayoutInflater inflater = (LayoutInflater) context    .getSystemService(Context.LAYOUT_INFLATER_SERVICE);  content = inflater.inflate(R.layout.popwindow_copy_content, null);  tvLabel = content.findViewById(R.id.tv_label);  tvLabelFake = content.findViewById(R.id.tv_label_fake);  tvLabel.setOnClickListener(new View.OnClickListener() {   @Override   public void onClick(View v) {    if (onCopyContentListener != null) {     onCopyContentListener.copyContent();    }    CopyContentPopWindow.this.dismiss();   }  });  this.setContentView(content);  this.setWidth(ViewGroup.LayoutParams.WRAP_CONTENT);  this.setHeight(ViewGroup.LayoutParams.WRAP_CONTENT);  this.setFocusable(true);  this.setOutsideTouchable(true);  this.update();  ColorDrawable dw = new ColorDrawable(0000000000);  this.setBackgroundDrawable(dw);  this.context = context; } public void setTvLabel(String text) {  tvLabel.setText(text);  tvLabelFake.setText(text);  update(); } public void setOnCopyContentListener(OnCopyContentListener onCopyContentListener) {  this.onCopyContentListener = onCopyContentListener; } public void showPopupWindow(View parent) {  if (!this.isShowing()) {   int[] location = new int[2];   parent.getLocationOnScreen(location);//   this.showAsDropDown(parent, 0, 0);   showAtLocation(parent, Gravity.NO_GRAVITY, location[0], location[1]);  } else {   this.dismiss();  } } public interface OnCopyContentListener {  void copyContent(); }}

public class MainActivity extends AppCompatActivity { TextView tvNickName; TextView tvQQNum; @Override protected void onCreate(Bundle savedInstanceState) {  super.onCreate(savedInstanceState);  setContentView(R.layout.activity_main);  tvNickName = findViewById(R.id.tv_nick_name);  tvQQNum = findViewById(R.id.tv_qq_num);  tvNickName.setOnClickListener(v -> {   CopyContentPopWindow copyContentPopWindow = new CopyContentPopWindow(MainActivity.this);   copyContentPopWindow.setTvLabel("复制");   copyContentPopWindow.setOnCopyContentListener(() -> {    ClipboardManager cm = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE);    ClipData clipData = ClipData.newPlainText("Label", tvNickName.getText().toString());    cm.setPrimaryClip(clipData);    Toast.makeText(MainActivity.this, "复制成功", Toast.LENGTH_LONG).show();   });   copyContentPopWindow.showPopupWindow(tvNickName);  });  tvQQNum.setOnClickListener(v -> {   CopyContentPopWindow copyContentPopWindow = new CopyContentPopWindow(MainActivity.this);   copyContentPopWindow.setTvLabel("复制QQ号");   copyContentPopWindow.setOnCopyContentListener(() -> {    ClipboardManager cm = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE);    ClipData clipData = ClipData.newPlainText("Label", "100001");    cm.setPrimaryClip(clipData);    Toast.makeText(MainActivity.this, "复制成功", Toast.LENGTH_LONG).show();   });   copyContentPopWindow.showPopupWindow(tvQQNum);  }); }}