Thanks Dianne. For explanation. I changed the action name to "android.intent.action.GET_RESULT"
Now it displays me an option to choose which app to execute. Thanks, - mani On Sep 8, 12:23 am, Dianne Hackborn <[email protected]> wrote: > - You don't need multiple apps to test this. Just more than two activities, > in any apps, matching the launched intent. > - You this behavior in various places in the base system (for example > clicking on a map link in the browser). > - The standard chooser dialog (such as what is brought up when you select a > "share" menu) is actually a form of this. > - To see an example, just install a home screen replacer app. When you > press home, an implicit intent to launch the home app is started, and at > that point you will go into the intent resolver to select which home app you > want. > - Use Intent.FLAG_DEBUG_LOG_RESOLUTION to see debug information printed in > the log while your intent is being resolved. > > > > > > On Tue, Sep 7, 2010 at 8:37 AM, mani <[email protected]> wrote: > > Hi all, > > > I am sorry that i may ask known questions to you all. But i 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. > > > <manifest xmlns:android="http://schemas.android.com/apk/res/android"; > > package="com.android.localguide"> > > <application> > > <activity class=".CallingActivity" > > android:label="callingactivity"> > > <intent-filter> > > <action android:value="android.intent.action.MAIN" /> > > <category > > android:value="android.intent.category.LAUNCHER" /> > > </intent-filter> > > </activity> > > <activity class=".anotherActivity" > > android:label="anotheractivity"> > > <intent-filter> > > <action > > android:value="com.android.localguide.GET_RESULT" /> > > <category > > android:value="android.intent.category.DEFAULT" /> > > </intent-filter> > > </activity> > > > </application> > > </manifest> > > > One more app,which has two activities like below. > > > <?xml version="1.0" encoding="utf-8"?> > > <manifest xmlns:android="http://schemas.android.com/apk/res/android"; > > package="com.android.test" > > android:versionCode="1" > > android:versionName="1.0"> > > <application android:icon="@drawable/icon" android:label="@string/ > > app_name"> > > <activity android:name=".testmain" > > android:label="@string/app_name"> > > <intent-filter> > > <action android:name="android.intent.action.MAIN" /> > > <category > > android:name="android.intent.category.LAUNCHER" /> > > </intent-filter> > > </activity> > > <activity android:name=".results"> > > <intent-filter> > > <action android:name="com.android.localguide.GET_RESULT"/> > > <category android:name="android.intent.category.DEFAULT"/> > > </intent-filter> > > </activity> > > </application> > > > </manifest> > > > 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 ? > > > Could anyone please elloborate on that point ? > > > thanks, > > Mani > > > -- > > You received this message because you are subscribed to the Google > > Groups "Android Developers" group. > > To post to this group, send email to [email protected] > > To unsubscribe from this group, send email to > > [email protected]<android-developers%2Bunsubs > > [email protected]> > > For more options, visit this group at > >http://groups.google.com/group/android-developers?hl=en > > -- > Dianne Hackborn > Android framework engineer > [email protected] > > Note: please don't send private questions to me, as I don't have time to > provide private support, and so won't reply to such e-mails. All such > questions should be posted on public forums, where I and others can see and > answer them. -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
