-
Toast
是
Android
中用来显示显示信息的一
种机制，和
Dialog
不一样的是，
Toast
是没
有焦点的，而且
Toa
st
显示的时间有限，过一定的时间就会自动消失。
1.
默认效果
:
代码
:
T
ext(getApplicationContext(),
默认
T
oast
样式
T
_SHORT).show();
2.
自定义显示位置效果
:
代码
:
toast = T
ext(getA
pplicationContext(),
自定义位置
T
oa
st
_LONG);
vity(, 0,
0);
();
3.
带图片效果
:
代码
toast = T
ext(getA
pplicationContext(),
带图片的
Toast
_LONG);
vity(, 0, 0);
LinearLayout toastView = (LinearLayout)
w();
ImageView imageCodeProject
= new
ImageView(getApplicationContext());
geResource();
w(imageCodeProject, 0);
();
4.
完全自定义效果
:
代码
LayoutInflater inflater =
getLayoutInflater();
View layout =
e(,
(ViewGroup)
findViewById(
oast));
ImageView image = (ImageView)
layout
.fi
ndViewById(eT
oast);
geResource();
T
extView title =
(T
extView) ewById(eToast);
ext(
T
extView text =
(T
extView)
ewById(T
oast);
ext(
完全自定义
Toast
toast = new T
oast(getApplica
tionContext());
vity( |
, 12,
40);
ation(T
_LONG);
w(layout);
();
5.
其他线程
:
代码
:
new Thread(new Runnable() {
public void run() {
showToast();
}
}).start();
_CHECKIN_PROPERTIES
允许读写访问
”
properties
”
表在
checkin
数据库中，改值可以修改上传
( Allows read/write
access to
the
“
properties
”<
/p>
table in the checkin database, to
change values that get
uploaded)
_COARSE_LOCATION
允许一个程序访问
CellID
或
WiFi
热点来获取粗略的位置
(Allows an application to
access
coarse (e.g., Cell-ID, WiFi)
location)
_FINE_LOCATION
允许一个程序访问精良位置
(
如
GPS) (Allows an application to access fine
(e.g., GPS)
location)
_LOCATION_EXTRA_COMMANDS
允许应用程序访问额外的位置提供命令
(Allows an
application to access extra location
provider commands)
_MOCK_LOCATION
允许程序创建模拟位置提供用于测试
(Allows an
application to create mock location
providers for testing)
_NETWORK_STATE
允许程序访问有关
GSM
网络信息
(Allows
applications to access information about
networks)
_SURFACE_FLINGER
允许程序使用
SurfaceFlinger
底层特性
(All
ows an application to use
SurfaceFlinger
’
s low
level features)
_WIFI_STATE
允许程序访问
Wi-
Fi
网络状态信息
(Allows applications
to access information about Wi-Fi
networks)
_SYSTEM_SERVICE
允许程序发布系统级服务
(Allows an
application to publish system-level
services).
Y_STATS
允许程序更新手机电池统计信息
(Allows an
application to update the collected battery
statistics)
OTH
允许程序连接到已配对的蓝牙设备
(Allows
applications to connect to paired bluetooth
devices)
OTH_ADMIN
允许程序发现和配对蓝牙设备
(Allows
applications to discover and pair bluetooth
devices)
请求能够禁用设
备
(
非常危险
)(Required
to be able to disable the device (very
*erous!).)
AST_PACKAGE_REMOVED
< br>允许程序广播一个提示消息在一个应用程序包已经移除后
(Allows an
application to
broadcast a notification
that an application package has been
removed)
AST_STICKY
允许一个程序广播常用
intents(Allows an
application to broadcast sticky
intents)
_PHONE
允
许一个程序初始化一个电话拨号不需通过拨号用户界面需要用户确认
(Allows
an
application to initiate a phone call
without going through the Dialer user interface
for the
user to confirm the call being
placed.)
_PRIVILEGED
允许一个程序拨打任何号码，包含紧急号码无需通过拨号用户界面需要用户确认
(Allows an
application to call any
phone number, including emergency numbers, without
going
through the Dialer user interface
for the user to confirm the call being
placed)
请求访问使用照相设备
(Required to be
able to access the camera device. )
_COMPONENT_ENABLED_STATE
允许一
个程序是否改变一个组件或其他的启用或禁用
(Allows an
application to change
whether an
application component (other than its own) is
enabled or not. )
_CONFIGURATION
允许一个程序修改当前设置，如本地化
(Allows an
application to modify the current
configuration, such as locale.
)
_NETWORK_STATE
允许程序改变网络连接状态
(Allows
applications to change network connectivity
state)
_WIFI_STATE
允许程序改变
Wi-
Fi
连接状态
(Allows applications
to change Wi-Fi connectivity state)
_APP_CACHE
允许一个程序清楚缓存从所有安装的程
序在设备中
(Allows an application to clear
the
caches of all installed
applications on the device. )
_APP_USER_DATA
允许一个程序清除用户设置
(Allows an
application to clear user data)