【移動應用開發(fā)技術(shù)】Android UI新組件怎么用

【移動應用開發(fā)技術(shù)】AndroidUI新組件怎么用

MaterialDialog/upload/information/20200623/125/123863.pngprivate

void

showDialog1()

{

android.support.v7.app.AlertDialog.Builder

builder

=

new

AlertDialog.Builder(this);

builder.setMessage("讓我們一起飛，我?guī)е悖銕еX，來一場說走就走的旅行")

.setNegativeButton("取消",

null)

.setPositiveButton("確定",

null)

.setTitle("Material

Design

Dialog")

.show();

}SwipeRefreshLayout/upload/information/20200623/125/123864.gif<android.support.v4.widget.SwipeRefreshLayout

xmlns:android="/apk/res/android"

xmlns:app="/apk/res-auto"

android:id="@+id/swipe_container"

android:layout_width="match_parent"

android:layout_height="match_parent">

<!--可滑動的組件，比如ScrollView，ListView，GridView，等-->

<ScrollView

android:layout_width="match_parent"

android:layout_height="wrap_content">

<!--添加自己的內(nèi)容-->

</ScrollView>

</android.support.v4.widget.SwipeRefreshLayout>swipeRefreshLayout

=

findView(R.id.swipe_container);

//設(shè)置下拉刷新監(jiān)聽事件

swipeRefreshLayout.setOnRefreshListener(this);

//設(shè)置進度條的顏色

swipeRefreshLayout.setColorSchemeColors(Color.RED,

Color.BLUE,

Color.GREEN);

//設(shè)置圓形進度條大小

swipeRefreshLayout.setSize(SwipeRefreshLayout.LARGE);

//設(shè)置進度條背景顏色

swipeRefreshLayout.setProgressBackgroundColorSchemeColor(Color.DKGRAY);

//設(shè)置下拉多少距離之后開始刷新數(shù)據(jù)

swipeRefreshLayout.setDistanceToTriggerSync(50);LinearLayoutCompat

/upload/information/20200623/125/123865.png<android.support.v7.widget.LinearLayoutCompat

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:layout_gravity="center|center_horizontal"

android:orientation="vertical"

app:divider="@drawable/line"

app:dividerPadding="25dp"

app:showDividers="middle|beginning|end">

<TextView

android:id="@+id/textView"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:layout_gravity="center"

android:gravity="center"

android:paddingTop="10dp"

android:text="CSDN

廢墟的樹"

android:textSize="20sp"

android:textStyle="bold"

/>

<TextView

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:layout_gravity="center"

android:gravity="center"

android:paddingTop="10dp"

android:text="CSDN

廢墟的樹"

android:textSize="20sp"

android:textStyle="bold"

/>

<TextView

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:layout_gravity="center"

android:gravity="center"

android:paddingTop="10dp"

android:text="CSDN

廢墟的樹"

android:textSize="20sp"

android:textStyle="bold"

/>

<TextView

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:layout_gravity="center"

android:gravity="center"

android:paddingTop="10dp"

android:text="CSDN

廢墟的樹"

android:textSize="20sp"

android:textStyle="bold"

/>

<TextView

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:layout_gravity="center"

android:gravity="center"

android:paddingTop="10dp"

android:text="CSDN

廢墟的樹"

android:textSize="20sp"

android:textStyle="bold"

/>

<TextView

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:layout_gravity="center"

android:gravity="center"

android:paddingTop="10dp"

android:text="CSDN

廢墟的樹"

android:textSize="20sp"

android:textStyle="bold"

/>

</android.support.v7.widget.LinearLayoutCompat><?xml

version="1.0"

encoding="utf-8"?>

<shape

xmlns:android="/apk/res/android">

<solid

android:color="@color/material_blue_grey_800"

/>

<!--需要設(shè)置高度，否則不顯示-->

<size

android:height="1px"

/>

</shape>ListPopupWindow

/upload/information/20200623/125/123866.pngpublic

void

showListPopup(View

view)

{

String

items[]

=

{"item1",

"item2",

"item3",

"item4",

"item5"};

final

ListPopupWindow

listPopupWindow

=

new

ListPopupWindow(this);

//設(shè)置ListView類型的適配器

listPopupWindow.setAdapter(new

ArrayAdapter<String>(SwipeRefreshActivity.this,

android.R.layout.simple_list_item_1,

items));

//給每個item設(shè)置監(jiān)聽事件

listPopupWindow.setOnItemClickListener(new

AdapterView.OnItemClickListener()

{

@Override

public

void

onItemClick(AdapterView<?>

parent,

View

view,

int

position,

long

id)

{

Toast.makeText(SwipeRefreshActivity.this,

"the

position

is"

+

position,

Toast.LENGTH_SHORT).show();

//

listPopupWindow.dismiss();

}

});

//設(shè)置ListPopupWindow的錨點,也就是彈出框的位置是相對當前參數(shù)View的位置來顯示，

listPopupWindow.setAnchorView(view);

//ListPopupWindow

距錨點的距離，也就是相對錨點View的位置

listPopupWindow.setHorizontalOffset(100);

listPopupWindow.setVerticalOffset(100);

//設(shè)置對話框的寬高

listPopupWindow.setWidth(300);

listPopupWindow.setHeight(600);

listPopupWindow.setModal(false);

listPopupWindow.show();

}PopupMenu/upload/information/20200623/125/123867.pngpublic

void

showPopupMenu(View

view)

{

//參數(shù)View

是設(shè)置當前菜單顯示的相對于View組件位置，具體位置系統(tǒng)會處理

PopupMenu

popupMenu

=

new

PopupMenu(this,

view);

//加載menu布局

popupMenu.getMenuInflater().inflate(R.menu.menu_main,

popupMenu.getMenu());

//設(shè)置menu中的item點擊事件

popupMenu.setOnMenuItemClickListener(new

PopupMenu.OnMenuItemClickListener()

{

@Override

public

boolean

onMenuItemClick(MenuItem

item)

{

return

false;

}

});

//設(shè)置popupWindow消失的點擊事件

popupMenu.setOnDismissListener(new

PopupMenu.OnDismissListener()

{

@