Share text or binary in Android

jdbc · October 2015

We can use Native plugin to send content to other apps in Android:

First, install bridge or native plugin.

Lua code within ui-android.lua:

--[[
    SHARE INTENT
]]--
 
Share = Core.class()
 
function Share:init()
 
	local share = native.getClass("com.giderosmobile.android.Share")
	share.sendText(activity)	
end

and create the following Share class in java:

package com.giderosmobile.android;
 
import android.app.Activity;
import android.content.Intent;
import android.util.Log;
 
/**
 * Send content to other apps
 *
 */
public class Share {
 
    public static void sendText(Activity activity)
    {
		Intent sendIntent = new Intent();
		sendIntent.setAction(Intent.ACTION_SEND);
		sendIntent.putExtra(Intent.EXTRA_TEXT, "This is my text to send.");
		sendIntent.setType("text/plain");
		activity.startActivity(sendIntent);
    }
}

Just use the following lua code to send text content

local share = ui.Share.new()

hgy29 · October 2015

Stuff like that should become a native Gideros API IMHO

keszegh · October 2015

can you also tell us how to do the other part, that is, make our app allow to receive a share of a file with a specific extension? thanks

totebo · November 2016

Can someone who's used this confirmed it works still? I seem to remember GBridge/Native not working anymore, but can't find the forum thread.

EricCarr · November 2016

GBridge works fine for me in android. Haven't yet tested iOS.

keszegh · June 2020

i have yet to test if this still works.

hgy29 said:
Stuff like that should become a native Gideros API IMHO

- what's the opinion on this nowadays?

MoKaLux · July 2020

are you kidding me?
native plugin is working great, I need to play with this

see the sample in gideros all plugins folder.

keszegh · July 2020

@MoKaLux , thanks, i will check it out later.

vitalitymobile · July 2020

The native plugin works great for Android. I wish we have a similar way to call Swift/ Objective-C like that.
That way we can call almost native Android/iOS libraries like data analytics, ads network, utility ...

hgy29 · July 2020

isn't there a native plugin for iOS too ? I never used it but I remember seeing code for it in gideros sources

vitalitymobile · July 2020

There was a BHwax Bridge for Ios by @bowerandy
And there was a jvbridge for Android by @Javi
Then @ar2rsawseen make a native plugin for android
We can use "BHwax" and "jvbridge" as the keyword to search the forum for more information.

MoKaLux · July 2020

jdbc said:
We can use Native plugin to send content to other apps in Android:
First, install bridge or native plugin.
Lua code within ui-android.lua:
and create the following Share class in java:

Do you know guys in which folder we should put the java class?
in: C:\Program Files (x86)\Gideros\All Plugins\native\bin\Android\src\com\giderosmobile\android\plugins\bridge

or: C:\Program Files (x86)\Gideros\All Plugins\native\source\Android\src\com\giderosmobile\android\plugins\bridge

rrraptor · July 2020

MoKaLux said:
Do you know guys in which folder we should put the java class?
in: C:\Program Files (x86)\Gideros\All Plugins\native\bin\Android\src\com\giderosmobile\android\plugins\bridge

or: C:\Program Files (x86)\Gideros\All Plugins\native\source\Android\src\com\giderosmobile\android\plugins\bridge

Perhaps, none of them? Depends on what you trying to do

MoKaLux · July 2020

@rrraptor you got me

I was trying the example in the first post that is adding the share class. I thought there was 2 ways:
- from inside gideros
- from android studio

I exported the native project from gideros to android studio but it is not nice to see

Android studio just won't compile the project because of class name conflicts, ...

So second solution would be to try from inside gideros, but where do we put the share java class?

rrraptor · July 2020

MoKaLux said:
@rrraptor you got me I was trying the example in the first post that is adding the share class. I thought there was 2 ways:
- from inside gideros
- from android studio

I exported the native project from gideros to android studio but it is not nice to see Android studio just won't compile the project because of class name conflicts, ...

So second solution would be to try from inside gideros, but where do we put the share java class?

It took me a while to figure out how to export with android studio but I did it.

local OS = application:getDeviceInfo()
local ERROR_LOADING_MODULE = ""
local OK_LOADING_MODULE = ""
 
if OS == "Android" then 
	local ok, msg = pcall(require, "native")
	if not ok then 
		ERROR_LOADING_MODULE = msg
	else
		OK_LOADING_MODULE = "Detected 'native'\n"
		-- print whats inside
		for k,v in pairs(native) do 
			OK_LOADING_MODULE = OK_LOADING_MODULE .. tostring(k) .. " - " .. tostring(value) .. "\n"
		end
	end
else
	ERROR_LOADING_MODULE = "Wrong OS =("
end

And when I press the "Share" button I call this function:

function shareText(str)
	local bridge = native.getClass("com.giderosmobile.android.plugins.bridge.GBridge")
	local activity = bridge.getActivity()
	local share = native.getClass("com.giderosmobile.android.Share")
	share.sendText(activity, str)
end

But Im calling it in pcall:

local ok, msg = pcall(shareText, "Hello there\nGeneral Kenobi")

And app gets crushed after Im pressing the button.

P.S. I also tried to call only native.getClass("com.giderosmobile.android.plugins.bridge.GBridge"), but result is the same.

vitalitymobile · July 2020

Yes the error is
JNI DETECTED ERROR IN APPLICATION: illegal class name 'com.giderosmobile.android.plugins.bridge.GBridge'
java_vm_ext.cc:577] (should be of the form 'package/Class', [Lpackage/Class;' or '[[B')
java_vm_ext.cc:577] in call to FindClass

Last time when I test, I can resolve it by signing it with a keystone (not debug key)
http://forum.giderosmobile.com/discussion/comment/57466/#Comment_57466
http://forum.giderosmobile.com/discussion/5392/android-l-lollipop-doesnt-like-gideros

But today when trying to build a test with a real Keystore on android 11, I still have the above error.
We must try to fix it now...

MoKaLux · July 2020

(at)rrraptor thank you for trying, my gideros plugins folder is all messed up right now, I need to reinstall gideros

I will give it another try in the future when need arises.
PEACE.
What kind of plugin do you think can be done with the native plugin?

rrraptor · July 2020

vitalitymobile said:
We must try to fix it now...

It turns out that the fix is simple. Replace "." to "/".

Now this code works:

local bridge = native.getClass("com/giderosmobile/android/plugins/bridge/GBridge")
local share = native.getClass("com/giderosmobile/android/Share")

But this one:

local activity = bridge.getActivity()

Does not

The error is now:

JNI DETECTED ERROR IN APPLICATION: illegal class name 'com.giderosmobile.android.NativeTestActivity''

MoKaLux · July 2020

rrraptor said:

The error is now:

JNI DETECTED ERROR IN APPLICATION: illegal class name 'com.giderosmobile.android.NativeTestActivity''

Yes that's where it gets nasty in android studio

rrraptor · July 2020

vitalitymobile said:
But today when trying to build a test with a real Keystore on android 11, I still have the above error.
We must try to fix it now...

Hold on. It works for me. No errors

rrraptor · July 2020

Proof of concept
Signed release APK (android 8.0+):
https://drive.google.com/file/d/11O3P_4AOa-A0wqlZGQAA78oTG5UvITqT/view?usp=sharing

vitalitymobile · July 2020

@rrraptor With Android 11, the error will still there
So at least, with android 10, we can use and test the native plugin.
Android 11 will be coming soon in this July and I think we should fix this problem

(I install your app, it open well, when press Share button, it errrors)

2020-07-02 11:13:59.652 11459-11483/? A/rdomain.yourap: runtime.cc:662] JNI DETECTED ERROR IN APPLICATION: illegal class name 'com.giderosmobile.android.plugins.bridge.GBridge'
runtime.cc:662] (should be of the form 'package/Class', [Lpackage/Class;' or '[[B')
runtime.cc:662] in call to FindClass
runtime.cc:662] from void com.giderosmobile.android.player.GiderosApplication.nativeDrawFrame()

--------- beginning of crash
2020-07-02 11:13:59.652 11459-11483/? A/libc: Fatal signal 6 (SIGABRT), code -1 (SI_QUEUE) in tid 11483 (GLThread 6746), pid 11459 (rdomain.yourapp)
2020-07-02 11:13:59.683 11508-11508/? A/DEBUG: *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
2020-07-02 11:13:59.684 11508-11508/? A/DEBUG: Build fingerprint: 'google/flame/flame:11/RPB1.200504.020/6557529:user/release-keys'
2020-07-02 11:13:59.684 11508-11508/? A/DEBUG: Revision: 'MP1.0'
2020-07-02 11:13:59.684 11508-11508/? A/DEBUG: ABI: 'arm64'
2020-07-02 11:13:59.684 11508-11508/? A/DEBUG: Timestamp: 2020-07-02 11:13:59+0700
2020-07-02 11:13:59.684 11508-11508/? A/DEBUG: pid: 11459, tid: 11483, name: GLThread 6746 >>> com.yourdomain.yourapp <<<
2020-07-02 11:13:59.684 11508-11508/? A/DEBUG: uid: 10277
2020-07-02 11:13:59.684 11508-11508/? A/DEBUG: signal 6 (SIGABRT), code -1 (SI_QUEUE), fault addr --------
2020-07-02 11:13:59.684 11508-11508/? A/DEBUG: Abort message: 'JNI DETECTED ERROR IN APPLICATION: illegal class name 'com.giderosmobile.android.plugins.bridge.GBridge'
(should be of the form 'package/Class', [Lpackage/Class;' or '[[B')
in call to FindClass
from void com.giderosmobile.android.player.GiderosApplication.nativeDrawFrame()'

rrraptor · July 2020

@vitalitymobile well in this case lets wait for @hgy29

MoKaLux · July 2020

I hate google for changing code every new release

keszegh · July 2020

A share plugin would be so convenient...

hgy29 · July 2020

Can anyone try native plugin on Android 11 with these patched libs (All Plugins/native/bin/Android) ?

vitalitymobile · July 2020

@hgy29 It works! What can I say now? You are a superhero!
Using your patch, we can still use dot symbol (.), not the slash (/)

if not native then
require "native"
end
local bridge = native.getClass("com.giderosmobile.android.plugins.bridge.GBridge")
local activity = bridge.getActivity()
local toast = native.getClass("android.widget.Toast")
local t = toast.makeText(activity, "Hello Gideros", 2)
t:show()

hgy29 · July 2020

ok, I'll commit the changes to GH then, they'll be in next release

hgy29 · July 2020

While we are at it, I had a an unfinished share plugin in my Gideros source tree. It is still unfinished, but can be used to share texts. It supports iOS and Android. Anyone wanting to try it ?

Usage:

(require "Share").share("text/plain","Share this text!")

SinisterSoft · July 2020

Do you mean to the paste buffer? Or does a dialog appear?

rrraptor · July 2020

@hgy29 I cant compile because there is a few errors.
First,

import android.content.Intent;

Second,

if (mimeType.startsWith("text/"))
	-- replace sendIntent to shareIntent
	shareIntent.putExtra(Intent.EXTRA_TEXT, "This is my text to send.");

Third,

getResources().getText(R.string.send_to)

Cannot resolve method 'getResources' in 'Share'

But It can be replaced with any string.

And finally:

error: cannot find symbol
		startActivity(Intent.createChooser(shareIntent, "Title"));
		^
  symbol:   method startActivity(Intent)
  location: class Share

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Share text or binary in Android

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