Android :: Implicit Intent Works
Mar 21, 2010To understand the implicit intents by example.
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Android :: Implicit Intent - Same Action For Mutiple Component How It Works
Sep 7, 2010I couldnt figure out the exact understanding of implicit intents.
When i was going through the tutorial i read about it.
Here are some important points to remember: 1 - Implicit Intents do not specify a target component 2 - Components willing to receive implicit intents have to declare their ability to handle a specific intent by declaring intent filters 3 - A component can declare any number of Intent Filters 4 - There can be more than one component that declares the same Intent Filters and hence can respond to the same implicit intent. In that case the user is presented both the component options and he can choose which one he wants to continue with 5- You can set priorities for the intent filters to ensure the order of responses.
I read this about Implicit Intents.
I couldnt get visualisation of 4th point. So wanted to try it out by writing some examples.
I tested this like below. Wrote two apps.
I had written two activities in one app, CallingActivity & anotherActivity.
CODE:...........
One more app,which has two activities like below.
CODE:..................
I ran the first app in emulator and pressed home screen, it mean it runs in the background.(Not exited ) Then i opened the second app and clicked a button in frirst activity(testmain) and tried to call setAction "com.android.localguide.GET_RESULT"
i.setAction("com.android.localguide.GET_RESULT");
But it is opening the activity "results".. It dint showed a options to choose which components( i expected first app ) activity i need to use ?
Am i right in executing in the right context to understand that point no 4 ?
Android :: Calling An Intent The Implicit Way
May 21, 2009I`m trying to develop an application, just to test the ability of android to call an activity with an intent based not in the specific class name but specifying the action, category and data information. Acording to this link
http://developer.android.com/guide/topics/intents/intents-filters.html
only three aspects are consulted when comparing an intent object to select the future activity to run. I created two android projects (and two activities), the first is the main project who sends the request and the second can be called directly or through the filter. This is the call of the activity in the main project:
CODE:..................
This is the part of the manifest that specifies (or at least I try to specify) in the secondary activity that it`s available to be selected to run with that information:
CODE:...............
I installed both separatelly and I was expecteing to see the second activity after the called but instead I got an ActivityNotFoundException. By the way if I comment the t3.addCategory (Intent.CATEGORY_HOME); line and change the t3.setAction (Intent.ACTION_EDIT); to t3.setAction(Intent.ACTION_VIEW); the browser is executed so I think the problem is in the manifest of the second activity.
Android :: Open Activity From An Other Application Via Implicit Intent
Aug 20, 2010I was trying to open an Activity of an other applicatoin by using an implicit Intent. It doesn't work, I thought it is possible to start an Activity of an other Application by using implicit Intent. Or do I missunderstand it?
I added following intent-filter to the AndroidManifest of Application A:
CODE:..............
And called the Intent in Application B by using folloing code:
CODE:.............
All I get ist, the error message that Application A was stoped unexpectedly.
Android :: Unable To Launch An Activity Using Implicit Intent Specifying Only Action
Mar 5, 2010I am trying to launch an activity by specifying only its action(custom) defined in its intent filter from an activity in other application. The activity to be launched is the main activity of its application thus have android.intent.action.MAIN & android.intent.category.LAUNCHER set as action and category in its intent filter. Now according to android doc on Intent and Intent Filter, i do not need to specify DEFAULT category at all in this case. But doing the same i am i am unable to launch the activity.
LogCat says, Activity could not be found...
Am i misinterpreting the text or is there something else missing...?
Code, used for calling the activity
CODE:.............
Definition of Activity being called in the manifest file
COE:....................
Activate Activity From Another One Using Implicit Intent?
Apr 18, 2012I am trying to activate an activity from another activity using implicit intent.
Code fragment of mail activity:
Code:
public void onClick(View view) {
intent = new Intent(Intent.ACTION_SEND);
int id = view.getId();[code].....
Android :: Call Built-in Video Recorder In Droid Through An Implicit Intent?
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Sep 8, 2010implicit intent with class name as action defined in intentfilter. is not working. Only it it is defined as "android.intent.action." it is picked up ? is it so ?
I have app A with the following in manifest.xml file
CODE:.............
In app B, i tried to call the activity in A using below code.
CODE:.............
This code works. But not above line.
Android :: Date Changed - Seems .intent.action.DATE_CHANGED Works Not Properly
Nov 7, 2009One of my application need to know a new day is coming, that is, if the clock of phone changed from 23:59 to 00:00, my application will do some logic. I tried to use android.intent.action.DATE_CHANGED, but based on my test, this event only occured when i change the date mannually, I could not get this action when clock changed from 23:59 to 00:00.
CODE:...................
Android :: Implicit Vs Explicit Intents
May 26, 2010Working with android I realized that implicit intents are good choice in most of cases due to their's flexibility. But what's about explicit intents? What are benefits of using them? What are common cases when it's a good practice to use them?
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Nov 6, 2009I just got back from the Verizon store. I was checking out the Droid... I popped open the browser and went to DI.FM.
Digitally Imported - Addictive Electronic Music
I tried all 3 public streams (MP3, Windows Media, AACPlus), and nothing. I asked the data tech guys at the counter and they said there might or will eventually probably be a app that will work with DI.FM.
So anyone checked into this? Anyone gotten DI.FM working? I'm especially interested to see if I can get the premium subscriber channels to work. The phone is pretty damn sweet and right now the only thing holding me back is the fact I can't stream my favorite internet radio station.
According to the specs of the Droid, it supports AACPlus streams. This is big! Currently it's next to impossible to stream AACplus encrypted streams on windows mobile.
Android :: How Does The Bluetooth Works
May 22, 2010Can someone explain to me the concept behind using bluetooth. my project in my studies is to make an android app using bluetooth, SQLLIGHT and google app, the app itself is a very easy one but i just dont get the tools i need to use :
How does the bluetooth works?
Is there a simple example ?
The concept behind android GUI (i allready nade one but i think i am not fully understood his power)?
I am using v 2.1
Android :: API Key Works With One Application Not With Other
Nov 4, 2010I have two apps, almost identical, that make heavy use of Maps. I have both of them signed with the same key. One of them works, but the other one doesn't, it just shows a grid, but works with the debug key. I tried everything already, i mean i searched for substancial differences, but the thing is: a) if it's a code problem, it should NEVER run (and it does work with debug key) b) if it's a key problem, it should work (or not to) in both apps (and works great with one of them). I've already asked in Stack Exchange and they couldn't help me. Do you have any idea?
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Oct 15, 2009Learning about the NDK and JNI today. I was able to build, install and run the Quake demo that was ported to Android via the NDK 1.6. Worked great. I then started looking at the hello-jni example. This example works for me in the emulator, but does NOT work for me on the G1:
I/ActivityManager( 76): Start proc com.example.hellojni for activity com.example.hellojni/.HelloJni: pid=508 uid=10030 gids={1015} I/jdwp ( 508): received file descriptor 20 from ADB W/dalvikvm( 508): Exception Ljava/lang/UnsatisfiedLinkError; thrown during Lcom/example/hellojni/HelloJni;.<clinit> W/dalvikvm( 508): Class init failed in newInstance call (Lcom/example/hellojni/HelloJni;) D/AndroidRuntime( 508): Shutting down VM W/dalvikvm( 508): threadid=3: thread exiting with uncaught exception (group=0x4001da28) E/AndroidRuntime( 508): Uncaught handler: thread main exiting due to uncaught exception E/AndroidRuntime( 508): java.lang.ExceptionInInitializerError E/AndroidRuntime( 508): at java.lang.Class.newInstanceImpl(Native Method) E/AndroidRuntime............
Android :: How Geo-tagging Works?
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Nov 3, 2010I've been working for a while in an Android app that uses a lot of the Maps API. And the thing is it works in the emulator with my debug key, but i see only a grid when i put "true" key, i tried with three already that i know they worked, so why could it be? I have internet permission (in the right place, befoce ) and i just can't find why this thing only works with the debug key.
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Jan 6, 2010I wish to listen to android.intent.action.BOOT_COMPLETED. However I am not getting the broadcast intent, if I specify com.test.BootBroadcastReceiver in the manifest. When I change this value to simply BootBroadcastReceiver, then I am getting the broadcast intent.
<receiver android:name="BootBroadcastReceiver" android:enabled="true">
<intent-filter>
<action android:name="android.intent.action.BOOT_COMPLETED" />
</intent-filter>
</receiver>
My package in the manifest file is:
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.test"
And the BootBroadcastReceiver resides in this package. What is the reason behind this?
Android :: Geocoder No Longer Works On New PC
Feb 16, 2010I have a problem getting the Geocoder to return results on my new PC during development. I started writing a android app on my other (Win XP) system and Geocoder worked fine and returned locations based on an address that I passed to it.
I recently bought a new PC (Win 7). Moved the code over to it and now the no address queries return any results. I tried a couple that did work on the xp machine, but are returning no results on the new pc. It does not give any errors.
I did generate a keyfile on the old pc. Do i need to create another on the new pc? Does the Geocoder require the key? It is not from the maps api.
Android :: KLM File That Works In DDMS
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Android :: How Portfolio Feed App Works?
Jul 23, 2010We just put out a new Android Finance App - Portfolio Feed. Check it out and let us know how it works for you and how we could better improve it.
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Oct 9, 2010I have a ListView where I want to show the QuickContact (like in the default Contacts android app when you click on the photo of a contact).
It works fine on my Nexus One 2.2 or the emulator with avd 2.2, but doesn't work on my Samsung Galaxy S 2.1update1 or emulator 2.1.
On 2.1, I'm getting the error:
CODE:...........
This is the call in the code:
CODE:....................
Android :: Does OpenGL API GlDeleteTextures Works
Nov 19, 2009I'm doing a little 3D app programming based on SDK 1.5. I can't change textures in any way with glDeleteTextures.
Please help to check if I did sth. wrong.
My subfunction is as below:
CODE:...................
Android :: How Preferences Activity Works
Jan 19, 2009I'm having a hard time trying to understand how the preferences activity works. Right now I have an activity for my preferences using a XML layout that has this:
CODE:............
The thing is that everything I do in the preferences are saved. I can reboot the emulator and I can access the preferences. I want to know how can I access this key from another activity on my application.
This is my activity:
CODE:.................
Android :: Free Tethering App That Works
Aug 20, 2010I know there is PDANET but they dont let you get to a HTTPS site with the free version.
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