ActivityLauncher | 告别onActivityResult,通过Callback方式进行Activity跳转
kandi X-RAY | ActivityLauncher Summary
kandi X-RAY | ActivityLauncher Summary
告别onActivityResult,通过Callback方式进行Activity跳转
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Top functions reviewed by kandi - BETA
- Finds the router fragment
- Find a RouterFragment
- Returns a new instance of RouterFragment
- Gets the router fragment
- Find a router fragment
- Create a new instance of RouterFragmentV4 instance
- Executes the given activity result code
- On create
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Trending Discussions on ActivityLauncher
QUESTION
When a user presses btnOpen
in the FirstFragment, it'll create an activity. When clicks btnDone
in SecondActivity, it should close the activity and pass back a String
to the fragment.
FirstFragment.kt
...ANSWER
Answered 2022-Mar-12 at 05:22Right now you are creating an Intent
and then just throwing it away without doing anything with it. You need to use setResult()
to actually send it back to your first activity:
QUESTION
I want to launch a specific activity of another app from my app. For example, on the onCreate
of my app, I want to launch the activity named Rolling
(not main) activity of com.pas.webcam.pro
. I have heard that you must have control of both apps to do this because you must add an intent filter to the manifest of the second app. This is not true though, because activity launcher apps in the Google Play Store can launch the Rolling Activity of IP Webcam Pro.
The Activity Launcher app is open source, so I tried reviewing the source code here. It was too complicated though, so I could not figure out how this app magically launches this activity. There are many other questions like this on Stack Overflow, and I have read every one. I have also tried lots of the code from the answers too, like this:
Intent intent = new Intent(); intent.setComponent(new ComponentName("com.pas.webcam", "com.pas.webcam.RollingActivity")); startActivity(intent);
I have also tried variants of this code from other posts. My app always crashes and I get variants (depending on the code I use) of the following error:
An error occurred
Invalid intent operation. Unable to find explicit activity class {com.pas.webcam.pro/com.pas.webcam.pro.Rolling}; have you declared this activity in your AndroidManifest.xml?
I have put both of the following in my Android Manifest and the same thing happens:
Thanks in advance for any answers, I really appreciate it, as I have been working on this problem for a while.
Edit: Here is the activity of the app I want to launch: https://i.stack.imgur.com/Fa7Xq.jpg
Edit: David Wasser helped me solve the problem by giving me the code neccessary to solve the problem. It actually works! To anyone who wants to launch a specific activity of another app with code, please use this:
Intent intent = new Intent(); intent.setClassName("com.pas.webcam.pro", "com.pas.webcam.Rolling"); startActivity(intent);
You may replace com.pas.webcam.pro and Rolling with the app and activity of your choice, but this method truly works. Problem Solved!😀
...ANSWER
Answered 2020-Jul-14 at 08:59Try this:
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You can use ActivityLauncher like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the ActivityLauncher component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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