Android :: Way To Intent From OnCreate Method In Phone?
May 12, 2010
Maybe my question might seem a bit weird, but I have an activity in which, in one case , I have to move to another activity before it finishes loading the screen. My condition is in the onCreate method, which means when I encounter it, i get a "startActivity called from outside an activity context" error and the app just crashes. But then, is there an easy way like a flag for the intent to make it work without having the activity context resolved?
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Apr 19, 2010
I slapped together a simple test application that has a button, and makes a noise when the user clicks on it.
Here are it's method:
CODE:..................
My question is, why is onCreate acting like it's in a while loop? I can click on the button whenever, and it makes the sound. I might think it was just a property of listeners, but the Button object wasn't a member variable. I thought that Android would just go through onCreate onse, and proceed onto the next lifecycle method. Also, I know that my current way of seeing if the sound is playing is crap...I'll get to that later.
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Apr 1, 2010
I have a EditText on simple activity with a button.
when every i move from one activity to this acivity focus is automatically set to EditText and keyboard appears in phone.
i don't want to open keyboard until i click on editText.
can any one guide me what should i do?
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Apr 14, 2009
I call an activity from another with startActivity(new Intent(Caller.this, NewActivity.class));
I had a problem with a variable. So, using debug I saw that I pass two times in the onCreate method of NewActivity!
I was a little bit surprised. Somebody can explain why and how can I avoid this behaviour?
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Sep 30, 2010
Android will call onCreate() of my activity whenever it is launched.
In the onCreate() of my activity can I tell what intent launches my activity?
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Mar 3, 2010
I am encountering an exception in the onCreate method of an activity.
CODE:.......
The onCreate method is as below.
CODE:......
The layout view XML is as below.
CODE:..........
I've already changed the ID of the ExpandableListView to "list". But it is not effective.
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Mar 3, 2010
Following is the example of tabs with intent data.
While debugging i found that always when first tab we add in tab host in our case following tab
CODE:................
oncreate method of "List1" intent get called regardless it is our current tab or not even if if i define tab2 as a current tab how to fix this ?
CODE:..........................
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Aug 27, 2010
I have some code in the onCreate method an Activity and noticed that it is being called three times. Is it normal behaviour?
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May 2, 2009
I use sdk 1.5 version and same to my handphone, my handphone is use G1. Now i test my application on my handphone. When i push on keyboard, i found system will destroy current activity(execute onDestroy() method) and execute onCreate() method again. So i will all current status and all datas. I don't wish this happen, how to block system execute onDestroy() and onCreate() when i open and close keyboard?
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Oct 1, 2010
In my android app I call the voice recognition in my onCreate method of my startup activity. I have made it a preference to start up with the voice control or not. However, the app takes about 5-7 seconds to load when voice recognition is on. When it is off, the app starts almost instantly. Below is sample code, I have added Free_Form, max_results 1, and a custom prompt to mine.Why would calling the normal android speech recognition take sooo long to load in my OnCreate method?
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Jul 12, 2010
I figured out the method to shifting through the contacts contract but now get a weird error on the intent. I think I have the right manifest.
@Override // the class that is called every time the user clicks something
protected void onListItemClick(ListView l, View v, int position, long id) {
// TODO Auto-generated method stub
super.onListItemClick(l, v, position, id);
// the reflections of a applications intent to perform some activity
// in this case a call action to dial the phone
Intent i = new Intent(Intent.ACTION_CALL);
// cursor of the selection Cursor c = (Cursor) mAdapter.getItem(position);
// get some info from the cursor
String contactId = c.getString(c.getColumnIndex(Contacts._ID));
String IsPhone = c.getString(c.getColumnIndex(Contacts.HAS_PHONE_NUMBER));
//if the selection has phone numbers if (Integer.parseInt(IsPhone)> 0) {
Cursor phones = getContentResolver().query(Phone.CONTENT_URI, null, Phone.CONTACT_ID + "=" + contactId, null, null);
while (phones.moveToNext()) { String strPhoneNumber = phones.getString(phones.getColumnIndex(Phone.NUMBER)); System.out.println(strPhoneNumber);
i.setData(Phone.CONTENT_URI);
} } //i.setData(strPhoneNumber);
// Causes the dialer to appear on the screen and initiate the phone call //startActivity(i);
} <?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="hello.android" android:versionCode="1" android:versionName="1.0">
<application android:icon="@drawable/icon" android:label="@string/app_name">
<activity android:name=".hello" android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
<uses-sdk android:minSdkVersion="7" />
<uses-permission android:name="android.permission.CALL_PHONE">
</uses-permission>
<uses-permission android:name="android.permission.READ_CONTACTS">
</uses-permission>
</manifest>
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Jun 13, 2010
I've been searching a way to implement an intent so when a user clicks on a notification, an specific method from an activity is executed (or an specific behavior happens). Right now I'm thinking about using broadcast but I don't know if this is the best way to implement this functionality. How would you implement it?
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Sep 7, 2010
I'm trying to override the onBackPressed() method of the ActivityGroup class:
public class MyClass extends ActivityGroup {
@Override
public void onBackPressed() {
// do something
return;
}
but I'm getting the error The method onBackPressed() of type MyClass must override a superclass method. I'm relatively new to Java, I've seen here that people do it and it works for them Why I'm getting this error? I'm writing an app for android 1.5, could the problem be here?
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Nov 22, 2010
In Eclipse, when I mouse hover over a built-in method, it displays a method definition including stuff like what the method does, input objects, return objects etc. If I have a yellow line (warning) under the method I'm trying to use, I can't get the mouse-over to show the definition. If I try hitting F3, I get a "The Jar of this class file belongs to container "Android 1.6" How do I show the definition of the method I am using when there is a warning?
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May 12, 2010
I am trying to use annotation - method.getAnnotation( ) or method.isAnnotationPresent( ) and it is not working. I am using eclipse emulator for 2.1 OS version with JDK 1.6. Following is information about what I did..................
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Sep 11, 2010
There is a protected method replace Text for autocomplete textview in Android.
I have no idea how to use it and need some examples.
Is it possible at all to use this method?
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Oct 29, 2010
I need help finding the best method for networking in a multiplayer game. I want to connect to a phone and maintain the connection until the game is over, hosting the game on one of the phones. There are other threads, but none of them really explain how to connect or use the networking, only saying to use such-and-such library. Examples or links to good tutorials would be extremely helpful.
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May 6, 2010
I want to know how to do method tracing for Android applications. I mean, a sequence of calls on each object, not a stack trace.
It's very similar to this question (Call trace in java), but on different platforms (jvm-PC vs dvm-Android). I have no control over the start arguments of dalvik, thus I cannot specify a java agent (or am I wrong here?). Is there another way to do method tracing?
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Aug 31, 2009
I want to store some images into the /data folder,is it possible? And how to do?
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Nov 24, 2010
i have an app that haves a lot of activitys, all created with ONACTIVITYRESULT.which method is called when i press back key? i need to know it because i have to override/implement code on it
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Nov 24, 2010
I want to know to launch a satellite application using Intent, i knew how to launch the map application using Intent, but i want to display satellite view rather than map view, my code is uri = Uri.parse("geo:0,0?q=" + VALUE_baraddress1[0] + ", "
+ VALUE_baraddress2[0] + ", "
+ VALUE_baraddress3[0]);
Log.v(TAG, VALUE_baraddress1[0] + ", "
+ VALUE_baraddress2[0] + ", "
+ VALUE_baraddress3[0]);
startActivity(new Intent(Intent.ACTION_VIEW, uri));
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Aug 7, 2010
Is there an app which needs a code to unlock the phone instead of the swiping finger method?
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May 31, 2010
I would like to know if is there a way to call android:layout_gravity property from a java method. I didn't found any method in Android documentation to do it. This is the picture of the layout I want to implement: But in my situation, I need to do it through Java code, because I'll implement another layout views dinamically. To avoid merging xml layout with Java code, I would prefer make all layout using Java. Code...
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Aug 18, 2010
I create an Intent in one class then it's returned to another class. I need to check the type of intent it is. I need to ensure it's not a specific class of intent.
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Oct 18, 2010
I'm using the phone's camera in an Android app to take a photo. I'm using Intents to use the built-in camera application.It works fine and the camera is brought up. I can take a photo and the phone presents me with three options: Cancel, Retake, OK. The first two work, pressing cancel returns the user to the app, but pressing OK and nothing happens. Apparently onActivityResult isn't being called, and the camera just stays on the screen. Nothing in the debugger either.Running the app on a Nexus One with Android 2.2.1. Same problem on the emulator running Android 2.0.
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Apr 5, 2009
I have a problem drawing a background for my OpenGL app on the emulator. It all works well on an actual G1, but i'm worried that if the emulator has a problem, other android phones may have the same problem. On an actual G1 the background is drawn on the background. All other drawing is drawn in front of it. On the emulator, the background is always drawn on the foreground, obsuring any other drawing. Here are two screenshots, where i have my background only occupying half of the screen: From emulato. Code...
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Jul 10, 2010
I wrote some code that mute the phone whenever an incoming call is received.
When the phone in vibrate mode I use the following code to stop the phone vibration:
Vibrator vib = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE);
vib.cancel();
While it worked on my Nexus One with android 2.1, it seems that it doesn't stop the vibration on an HTC Desire handset with android 2.1.
Have someone encountered this issue?
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May 28, 2010
Has anyone tried the cancellation method for getting an alternate android phone from tmobile?(you know, when you say, I'm sooo upset with my phone that I'm going to cancel my phone service, and they say "Is there anything we can do to make it better" and we say, "Yes, get me another android phone", and they say, "OK")
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Aug 21, 2009
My prob is the following: My android application has the class TestActivity (entrypoint) -my app uses "library.jar" wich contains J2ME classes, used as library -library.jar also includes "UIActivity" [can spawn several dialogs] wich is called by a (j2me) class of library.jar -I only have the .class files of the j2me-lib stuff, so I cant modify them, but I can do so on Android-classes
so... the short form:
CODE:.............
finally I get the error:
CODE:.............
Do I have to use Services instead of Activities? But afaik I have to give a reference of an activity to spawn dialogs.
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Nov 16, 2010
Leaving aside the lamentable wording of the documentation for this method, it's not really acting as I hoped for an ImageView. I call toggle() from the onClick method of the view but the view system does not redraw my drawable with the checked state. However, if I initialize CHECKED_STATE_SET with android.R.attr.state_checked then the view is draw with the checked state.
So apparently my call to setImageState is not updating the state of the ImageView. The documentation for setImageState is totally blank in the case of an ImageView. What does this mean?
Here's my code:................................
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