java - 动态创建时出现新按钮上下文问题

Question

嗨，我想在 android 中创建动态按钮，但是当我尝试为此设置上下文时，我遇到了这个问题:

代码如下:

JSONArray jsonArr = new JSONArray(result);
for (int i=0; i < jsonArr.length(); i++) {
    JSONObject building = jsonArr.getJSONObject(i);
    Log.i("results", building.optString("name"));
    Button myButton = new Button(this);
    myButton.setText("Push Me");

    LinearLayout ll = (LinearLayout)findViewById(R.id.buildingLL);
    LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT);
    ll.addView(myButton, lp);

有人可以帮我吗？

Answer 1

提供调用 WebServiceHandler 的上下文，然后

Button myButton = new Button(mContext); // mContext is the context received on WebServiceHandler class

如果WebServiceHandler是任何Activity的私有(private)类，那么

Button myButton = new Button(YOUR_ACTIVITY.this);