自定义PopupWindow并且设置背景色变暗的2种方法(蒙层效果)


public class MainActivity extends Activity {

private Context context;
private TextView tv, tv_1, tv_2, tv_3;
private PopupWindow mPopupWindow;
private RelativeLayout rl_out;


@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
context = this;
initview();
}


private void initview() {
// TODO Auto-generated method stub
tv = (TextView) findViewById(R.id.tv);
rl_out= (RelativeLayout) findViewById(R.id.rl_out);


tv.setOnClickListener(new OnClickListener() {


@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
// Toast.makeText(context, "tv", 0).show();
showPopUp1();
//showPopUp2();


}
});


}


protected void showPopUp2() {
// TODO Auto-generated method stub
if (mPopupWindow != null && mPopupWindow.isShowing()) {
mPopupWindow.dismiss();
mPopupWindow = null;
rl_out.setVisibility(View.GONE);
return;
}
if (mPopupWindow == null) {
View localView = getLayoutInflater().inflate(
R.layout.pop_menu_dialog, null);
mPopupWindow = new PopupWindow(localView, 200,
LayoutParams.WRAP_CONTENT);
// LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);
mPopupWindow.setAnimationStyle(R.style.PopupWindowAnimation);
//在PopupWindow里面就加上下面代码,让键盘弹出时,不会挡住pop窗口。
mPopupWindow.setInputMethodMode(PopupWindow.INPUT_METHOD_NEEDED);
mPopupWindow.setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);  

mPopupWindow.setFocusable(true);
mPopupWindow.setOutsideTouchable(true);
mPopupWindow.setBackgroundDrawable(new BitmapDrawable());
mPopupWindow.setOnDismissListener(new OnDismissListener() {

@Override
public void onDismiss() {
// TODO Auto-generated method stub
rl_out.setVisibility(View.GONE);
}
});


tv_1 = (TextView) localView.findViewById(R.id.tv_1);
tv_2 = (TextView) localView.findViewById(R.id.tv_2);
tv_3 = (TextView) localView.findViewById(R.id.tv_3);
tv_1.setOnClickListener(new OnClickListener() {


@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
Toast.makeText(context, "登录", 0).show();
mPopupWindow.dismiss();

}
});
tv_2.setOnClickListener(new OnClickListener() {


@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
Toast.makeText(context, "注册", 0).show();
mPopupWindow.dismiss();

}
});
tv_3.setOnClickListener(new OnClickListener() {


@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
Toast.makeText(context, "取消", 0).show();
mPopupWindow.dismiss();

}
});
}
mPopupWindow.showAsDropDown(tv, 0, 0);
rl_out.setVisibility(View.VISIBLE);
}


protected void showPopUp1() {
// TODO Auto-generated method stub
if (mPopupWindow != null && mPopupWindow.isShowing()) {
mPopupWindow.dismiss();
mPopupWindow = null;
return;
}
if (mPopupWindow == null) {
View localView = getLayoutInflater().inflate(
R.layout.pop_menu_dialog, null);
mPopupWindow = new PopupWindow(localView, 200,
LayoutParams.WRAP_CONTENT);
mPopupWindow.setAnimationStyle(R.style.PopupWindowAnimation);
//在PopupWindow里面就加上下面代码,让键盘弹出时,不会挡住pop窗口。
mPopupWindow.setInputMethodMode(PopupWindow.INPUT_METHOD_NEEDED);
mPopupWindow.setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);  

mPopupWindow.setFocusable(true);
mPopupWindow.setOutsideTouchable(true);
mPopupWindow.setBackgroundDrawable(new BitmapDrawable());

mPopupWindow.setOnDismissListener(new OnDismissListener() {

@Override
public void onDismiss() {
// TODO Auto-generated method stub
backgroundAlpha(1f);
}
});

tv_1 = (TextView) localView.findViewById(R.id.tv_1);
tv_2 = (TextView) localView.findViewById(R.id.tv_2);
tv_3 = (TextView) localView.findViewById(R.id.tv_3);
tv_1.setOnClickListener(new OnClickListener() {


@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
Toast.makeText(context, "登录", 0).show();
mPopupWindow.dismiss();

}
});
tv_2.setOnClickListener(new OnClickListener() {


@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
Toast.makeText(context, "注册", 0).show();
mPopupWindow.dismiss();

}
});
tv_3.setOnClickListener(new OnClickListener() {


@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
Toast.makeText(context, "取消", 0).show();
mPopupWindow.dismiss();

}
});



}
mPopupWindow.showAsDropDown(tv, 0, 0);
//mPopupWindow.showAtLocation(rl_out, Gravity.CENTER_HORIZONTAL|Gravity.BOTTOM, 150, 50);//后面2个参数为x和y的偏移
backgroundAlpha(0.4f);
}

public void backgroundAlpha(float bgAlpha)  
    {  
        WindowManager.LayoutParams lp = getWindow().getAttributes();  
        lp.alpha = bgAlpha; //0.0-1.0  
        getWindow().setAttributes(lp);  
    }  

}

隐藏动画:

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android" >


    <scale
        android:duration="100"
        android:fillAfter="false"
        android:fromXScale="1.0"
        android:fromYScale="1.0"
        android:interpolator="@android:anim/accelerate_interpolator"
        android:pivotX="50%"
        android:pivotY="0%"
        android:toXScale="1.0"
        android:toYScale="0.0" >
    </scale>
</set>

显示动画:

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android" >


    <scale
        android:duration="100"
        android:fillAfter="false"
        android:fromXScale="1.0"
        android:fromYScale="0.0"
        android:interpolator="@android:anim/accelerate_decelerate_interpolator"
        android:pivotX="50%"
        android:pivotY="0%"
        android:toXScale="1.0"
        android:toYScale="1.0" >
    </scale>
</set>


主界面布局文件:

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"   
    tools:context=".MainActivity" >


    <RelativeLayout
        android:id="@+id/rl_out"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:visibility="gone"
        android:background="#78000000" >
    </RelativeLayout>


    <TextView
        android:id="@+id/tv"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentRight="true"
        android:background="#0000ff"
        android:clickable="true"
        android:padding="10dip"
        android:text="@string/hello_world"
        android:textColor="#ffffff" />


    <EditText
        android:id="@+id/editText1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignBottom="@+id/tv"
        android:layout_alignParentLeft="true"
        android:layout_toLeftOf="@+id/tv"
        android:ems="10"
        android:inputType="textPersonName" >


        <requestFocus />
    </EditText>


</RelativeLayout>


pop窗口布局文件:

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="200dip"
    android:layout_height="wrap_content"
    android:background="@drawable/title_function_bg"
    android:orientation="vertical" >


    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical" >


        <TextView
            android:id="@+id/tv_1"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="center_horizontal"
            android:paddingBottom="8dp"
            android:paddingTop="8dp"
            android:text="登陆"
            android:clickable="true"
            android:textColor="#ffffff"
            android:textSize="16sp" />


        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="0.5dp"
            android:background="#ffffff" />


        <TextView
            android:id="@+id/tv_2"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="center_horizontal"
            android:paddingBottom="8dp"
            android:paddingTop="8dp"
            android:text="注册"
            android:clickable="true"
            android:textColor="#ffffff"
            android:textSize="16sp" />


        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="0.5dp"
            android:background="#ffffff" />


        <TextView
            android:id="@+id/tv_3"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="center_horizontal"
            android:paddingBottom="8dp"
            android:paddingTop="8dp"
            android:text="取消"
            android:clickable="true"
            android:textColor="#ffffff"
            android:textSize="16sp" />
    </LinearLayout>
</LinearLayout>


<style name="PopupWindowAnimation" parent="@android:style/Animation">  
        <item name="android:windowEnterAnimation">@anim/popshow_anim</item>  
        <item name="android:windowExitAnimation">@anim/pophidden_anim</item>  
    </style>




评论
添加红包

请填写红包祝福语或标题

红包个数最小为10个

红包金额最低5元

当前余额3.43前往充值 >
需支付:10.00
成就一亿技术人!
领取后你会自动成为博主和红包主的粉丝 规则
hope_wisdom
发出的红包
实付
使用余额支付
点击重新获取
扫码支付
钱包余额 0

抵扣说明:

1.余额是钱包充值的虚拟货币,按照1:1的比例进行支付金额的抵扣。
2.余额无法直接购买下载,可以购买VIP、付费专栏及课程。

余额充值