安卓实现popwindow
时间: 2023-11-27 18:02:32 浏览: 83
好的,安卓实现popwindow的方法如下:
1. 在布局文件中定义popwindow的内容
```
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="200dp"
android:layout_height="wrap_content"
android:orientation="vertical"
android:background="@color/white">
<TextView
android:id="@+id/tv_content"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textSize="16sp"
android:padding="20dp"
android:textColor="@color/black"
android:text="这是popwindow的内容"/>
</LinearLayout>
```
2. 在Activity中实现popwindow的弹出
```
private PopupWindow mPopupWindow;
public void showPopWindow(View anchorView) {
View contentView = LayoutInflater.from(this).inflate(R.layout.popwindow_layout, null);
mPopupWindow = new PopupWindow(contentView,
ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT, true);
mPopupWindow.setContentView(contentView);
// 设置背景颜色
mPopupWindow.setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));
// 设置动画效果
mPopupWindow.setAnimationStyle(R.style.PopWindowAnimation);
// 显示在anchorView的下方
mPopupWindow.showAsDropDown(anchorView);
}
```
其中,R.layout.popwindow_layout是要显示的popwindow的布局文件,R.style.PopWindowAnimation是动画效果的样式文件,可以自行定义。
3. 调用showPopWindow方法弹出popwindow
```
Button button = findViewById(R.id.btn_pop_window);
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
showPopWindow(v);
}
});
```
其中,btn_pop_window是触发popwindow弹出的按钮。
以上就是安卓实现popwindow的方法,希望对您有帮助!
阅读全文
相关推荐















