toast | 易学教程

Persistent Toast Message: Toast won't disappear after execution

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问题 I have a toast message that doesn't disappear after execution. Im guessing it has something to do with it being in the loop but I'm not sure. Can someone help me figure out what why the toast message doesn't disparate? @Override public void onClick(View v) { int index = 0; for(int i= 0; i<userArray.length; i++){ if(email.getText().toString().equals(userArray[i])){ index = i; } if(passArray[index].equals(password.getText().toString())){ Toast.makeText(getBaseContext(), "SUCCESS!", Toast.LENGTH

Android's Toast default colors and alpha

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问题 What are the default colors of the Toast component - the inner dark gray color, light gray border color and the value of alpha? I double checked the source of Toast.java but couldn't find it. 回答1: So from the transient_notification layout xml: <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" android:background="@drawable/toast_frame"> <TextView android:id="@android

hide Toast

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问题 I am developing an application that uses system activity to add a contact to phone's memory. This external activity launches a Toast after saving the contact. Is there any possibility to get rid of it? It would be perfect if I could get a reference to it to call cancel() or cancel all queued Toasts. Is there any Toast manager? 回答1: No. You could cancel the Toast if you had a reference to it but since it is created by a separate activity you can't access it. 回答2: If you create a Toast message

Android Toast Accumulation Testing

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问题 Like many others, i've been trying to solve the problem of toast accumulation. How to prevent Multiple Toast Overlaps toast issue in android Cancelling an already open toast in Android Best way to avoid Toast accumulation in Android I finally decided to keep track of the current displayed toast and cancel it when another arrives (there's some more logic involved), but i could have use only one toast and change it message. What i want to know is this... Is there a way to TEST this behaviour?

Android Stop toast notification programmatically?

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问题 Is there a way I can stop a toast message programmatically? Say I have a button which I click to scroll through toast messages, and in the onclick event I wanted to stop all in the queue and just show the new one, how would I do that? A simplified version of my code is below - Code: public class Help extends Activity{ LinearLayout background; int screenNo = 1; Toast toast; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super

Toast Notifications in Win Forms .NET 4.5

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问题 I've searched through a number of different posts to do with creating toast notifications from a Win Form however when these through I get an error when generating the toast notification. System.Exception: Element not found. (Exception from HRESULT:0x80070490). I have edited the csproj file and added the following: <PropertyGroup> <TargetPlatformVersion>10.0.10586</TargetPlatformVersion> </PropertyGroup> and added the references to Windows.Data and Windows.UI and also a reference to System

android:onClick详解

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public void (View v) 记得函数参数匹配根据多态性以及函数指针原理这里的函数会注册给 android:onClick 的监听器这样每个button都可以使用onClck定义自己测处理方法，也可以共用，但是关于事件源的区分就没有那么方便了，可能需要获取坐标才能逻辑上判断是哪个按钮或者根据完整例子 main.xml <?xml version= "1.0" encoding= "utf-8" ?> <LinearLayout xmlns:android= "http://schemas.android.com/apk/res/android" android:orientation= "vertical" android:layout_width= "fill_parent" android:layout_height= "fill_parent" > <TextView android:layout_width= "fill_parent" android:layout_height= "wrap_content" android:text= "@string/hello" /> <Button android:onClick = "xxx" android:text= "ok" android:id= "@+id/button1" android

Toast notification & Geofence Windows Phone 8.1

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问题 I'm facing a strange problem with my Windows Phone 8.1 App. The App will send a toast notification every time the user is near a Point of his interest using Geofence Quickstart: Setting up a geofence and BackgroundTask Quickstart: Listening for geofence events in the background And this is the Background task (example) public void Run(IBackgroundTaskInstance taskInstance) { // Get the information of the geofence(s) that have been hit var reports = GeofenceMonitor.Current.ReadReports(); var

onPreferenceChange method isn't called when Listpreferences changes

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问题 I have a Preferences Activity in my code. I want to show a toast when ever user change radio button in a ListPreferences. I used this code but it does not work. :( public class PrefsActivity extends PreferenceActivity implements OnSharedPreferenceChangeListener { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); addPreferencesFromResource(R.xml.prefs); } public void onSharedPreferenceChanged(SharedPreferences arg0, String key) { ListPreference

ios toast提示框（MBProgressHUD）

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MBProgressHUD是一个开源项目，实现了很多种样式的提示框 https://github.com/jdg/MBProgressHUD ，下载下来后直接把MBProgressHUD.h和MBProgressHUD.m加入即可。运行效果如下和android toast 类似 -(void)showAllTextDialog:(NSString *)str { HUD = [[MBProgressHUD alloc] initWithView:self.view]; [self.view addSubview:HUD]; HUD.labelText = str; HUD.mode = MBProgressHUDModeText; //指定距离中心点的X轴和Y轴的位置，不指定则在屏幕中间显示 // HUD.yOffset = 100.0f; // HUD.xOffset = 100.0f; [HUD showAnimated:YES whileExecutingBlock:^{ sleep(1); } completionBlock:^{ [HUD removeFromSuperview]; // [HUD release]; HUD = nil; }]; } 来源： oschina 链接： https://my.oschina.net/u/267558/blog/204767