设置popupWindow布局里面的控件

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package com.cherish.popupwindow;import android.app.ActionBar;import android.app.Activity;import android.content.Context;import android.graphics.Bitmap;import android.graphics.drawable.BitmapDrawable;import android.os.Bundle;import android.text.Layout;import android.view.LayoutInflater;import android.view.View;import android.widget.ArrayAdapter;import android.widget.Button;import android.widget.ListView;import android.widget.PopupWindow;import android.widget.TextView;public class MainActivity extends Activity {    private Context context;    private String[] strings ={"移动1","移动2","移动3","移动4"};    private Button button;    private ListView listView;    private PopupWindow popupWindow;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        context=this;        button = (Button) findViewById(R.id.button);        button.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                View layout = getLayoutInflater().inflate(R.layout.popupwindow_layout, null);                popupWindow= new PopupWindow(layout, ActionBar.LayoutParams.MATCH_PARENT, ActionBar.LayoutParams.WRAP_CONTENT,true);                popupWindow.setTouchable(true);                popupWindow.setOutsideTouchable(true);                popupWindow.setBackgroundDrawable(new BitmapDrawable(getResources(),(Bitmap) null));                popupWindow.showAsDropDown(v);                listView= (ListView) layout.findViewById(R.id.list_view);                ArrayAdapter<String> adapter = new ArrayAdapter<String>(v.getContext(), android.R.layout.simple_list_item_1, strings);                listView.setAdapter(adapter);            }        });    }}
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