PopupWindow在安卓 [英] PopupWindow in android
本文介绍了PopupWindow在安卓的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
要创建一个简单的工作PopupWindow,我们需要做到以下几点:
To create a simple working PopupWindow, we need to do the following:
popup_example.xml:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:padding="10dip"
android:layout_width="fill_parent"
android:layout_height="wrap_content">
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dip"
android:text="Test Pop-Up" />
</LinearLayout>
的Java code
LayoutInflater inflater = (LayoutInflater) this.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
PopupWindow pw = new PopupWindow(inflater.inflate(R.layout.popup_example, null, false),100,100, true);
pw.showAtLocation(this.findViewById(R.id.main), Gravity.CENTER, 0, 0);
我的要求是,我需要一个
My requirement is that I need a
<TEXTVIEW android:layout_height="wrap_content" android:layout_width="fill_parent" />
和
<BUTTON android:id="@+id/end_data_send_button" android:text="Cancel"/>
在我的 popup_example.xml
。我怎么能在我的Java code处理这两种成分?
in my popup_example.xml
. How can I handle these two components in my Java code?
推荐答案
在这里,我给你演示实例。根据您的需要看到这一点,对其进行自定义。
Here , I am giving you a demo example . See this and customize it according to your need.
public class ShowPopUp extends Activity {
PopupWindow popUp;
LinearLayout layout;
TextView tv;
LayoutParams params;
LinearLayout mainLayout;
Button but;
boolean click = true;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
popUp = new PopupWindow(this);
layout = new LinearLayout(this);
mainLayout = new LinearLayout(this);
tv = new TextView(this);
but = new Button(this);
but.setText("Click Me");
but.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
if (click) {
popUp.showAtLocation(layout, Gravity.BOTTOM, 10, 10);
popUp.update(50, 50, 300, 80);
click = false;
} else {
popUp.dismiss();
click = true;
}
}
});
params = new LayoutParams(LayoutParams.WRAP_CONTENT,
LayoutParams.WRAP_CONTENT);
layout.setOrientation(LinearLayout.VERTICAL);
tv.setText("Hi this is a sample text for popup window");
layout.addView(tv, params);
popUp.setContentView(layout);
// popUp.showAtLocation(layout, Gravity.BOTTOM, 10, 10);
mainLayout.addView(but, params);
setContentView(mainLayout);
}
}
希望这将解决您的问题。
Hope this will solve your issue.
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