ionic3

问题 I am learning ionic and i want to align my 3 buttons in left,center and right. i.e. First button in left, second in center and third one in right. But I don't know how to do it? Here is My code. <div> <button ion-button icon-left> <ion-icon name="home"></ion-icon> Left Icon </button> <button ion-button icon-only> <ion-icon name="home"></ion-icon> </button> <button ion-button icon-right> Right Icon <ion-icon name="home"></ion-icon> </button> </div> Can Anyone guide me with this? As I am a

问题 On my ionic project, I have created side menu at app.html to be available through the whole app, this menu contains items with links that should be opened externally. I have tried to open them with InAppBrowser but I have this error pups up: uncaught (in promise) invalid views to insert app.html: <ion-list no-margin> <ion-item menuClose ion-item no-lines *ngFor="let l of SocialLinks" (click)="openPage(l.Url)"> <ion-icon name="{{l.icon}}"></ion-icon> </ion-item> </ion-list> app.component.ts:

问题 On my ionic project, I have created side menu at app.html to be available through the whole app, this menu contains items with links that should be opened externally. I have tried to open them with InAppBrowser but I have this error pups up: uncaught (in promise) invalid views to insert app.html: <ion-list no-margin> <ion-item menuClose ion-item no-lines *ngFor="let l of SocialLinks" (click)="openPage(l.Url)"> <ion-icon name="{{l.icon}}"></ion-icon> </ion-item> </ion-list> app.component.ts:

问题 I have the following method which works on the 1st call, however if I hit the Esc key and then try my FullScreen button nothing happens. Debugging the code shows the else is not executing so document.body.requestFullScreen() is being called again but it has no effect?? What did I miss? /** * Full Screen Mode + works on Windows7 Chrome v80 and Android Chrome. - 20180415 - 20200417 Moved from ChannelsTitleComp */ FullScreenToggle() { // document.body.requestFullscreen() works on Windows Chrome

问题 I'm Actually using Ionic Storage. and I heard About The Ionic Native Storage I Don't Know the Exact Difference Between Them. Which One Is Preferred to use? Which is the Best Choice? Thank You!, 回答1: They have basically the same purpose and both work with key/value to store items, but i think Ionic Storage is better and i'll tell why. The Native Storage need and will only work with the plugin instaled, so if there's no plugin or if it's a webapp the user can't use the storage. It's intended to

问题 Since the time shift at the 29th of October 2017 I'm running in some really strange behaviours while developing with the firebase products. I'm developing a hybrid app with Ionic (3). While I'm developing and testing in the browser (mobile emulated device) everything works fine. As soon as I switch to my real device (Samsung Galaxy S7, no root, modded or something else), all writes to the database with a timestamp are failing. In my code I create a timestamp like this: Date.now() In my

问题 i'm building app with ionic i have add firebase cloud message, everything work fine But today, when i build that show error. ionic cordova platform rm android remove plugins clear & clean cache remove package-lock.js npm i 6 ionic cordova platform add android 7 ionic cordova prepare 8 ionic cordova build android Task :app:transformDexArchiveWithExternalLibsDexMergerForDebug FAILED 37 actionable tasks: 7 executed, 30 up-to-date D8: Program type already present: android.support.v4.os

问题 i'm building app with ionic i have add firebase cloud message, everything work fine But today, when i build that show error. ionic cordova platform rm android remove plugins clear & clean cache remove package-lock.js npm i 6 ionic cordova platform add android 7 ionic cordova prepare 8 ionic cordova build android Task :app:transformDexArchiveWithExternalLibsDexMergerForDebug FAILED 37 actionable tasks: 7 executed, 30 up-to-date D8: Program type already present: android.support.v4.os

问题 i'm building app with ionic i have add firebase cloud message, everything work fine But today, when i build that show error. ionic cordova platform rm android remove plugins clear & clean cache remove package-lock.js npm i 6 ionic cordova platform add android 7 ionic cordova prepare 8 ionic cordova build android Task :app:transformDexArchiveWithExternalLibsDexMergerForDebug FAILED 37 actionable tasks: 7 executed, 30 up-to-date D8: Program type already present: android.support.v4.os

问题 Access to XMLHttpRequest at 'API_URL' from origin 'http://localhost:8080' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource. When I was run my localhost system to access server API. It will generate token instead of I am getting the error like above error. please help me. 回答1: you need to enable cross-origin resource in your API, so that it can be accessed from