Android : Way To Switch Over To Next Screen From Main Activity By Clicking On Button?

Nov 18, 2010

I am working on an application where I need to go to the next Screen form the Main Actvity when I Click on the Image Button of the Main Activity Screen. I had searched a bit on Net regarding this and found something like the OnClickListener method. I am still stuck for what exactly I want to do actually.

Android : Way to Switch over to next Screen from main Activity by clicking on Button?


Android :: Open New Layout And Code (xml And Java) By Clicking Button On Main Scene?

Aug 2, 2010

I'm beginning to study Android and have a doubt. How do I open a new layout and code (xml and java) by clicking a button on the main scene?

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Android :: Email App Switch Its 'main' Activity?

Dec 4, 2009

In android Email app, when I first launch it, it will shows me the 'account setup wizard' activity. But when I launch the Email app(after the account is set) again, it wont' show the 'account setup wizard' activity, it will show the 'Folder list activity ' instead.

How can it does the main activity switch (depends on the email account setup)?

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Android :: Starting Second Activity From Main Activity On Button Click

Dec 4, 2009

Need an example of how to create/start a new activity from the main activity. I have a button click event on the main layout. Originally I just used setContentView(R.layout.secondactivity); which brings up the layout but I don't think that is correct since the secondactivity class is not instantiated at this point yet. I have looked for such an example and can not find one.

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Android :: Start An Activity On Clicking Search Button On Droid Handset?

Dec 9, 2009

I would like to start MyActivity class when the user clicks on the search button on the handset.

Are there any strategies you can suggest for this? Any code examples would be very useful.

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Android :: Optimal Activity Stack Order For A Main Menu Button?

Jun 2, 2010

I'm developing an app that starts with a main menu, and then continues through three different steps (activities) to a final activity where the task is marked complete. On this last activity, i have several additional options (add note, share, etc..) and i also have a return to main menu button.

My question is.. how do i stack the activities so that calling finish() on the final activity will return back to the first activity launched? i am currently just starting the new activity via an intent, so pressing back on this screen doesn't return me to home as i would like.

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Android :: Main Activity Grayed-out / Disabled On Back Button - Cause This Problem?

Jun 25, 2010

I have a problem on going back (clicking the Back button) from sub-activity to main activity: from my main activity I launch a new one (with passing some extras). code...

In the started activity I am getting data from extras and showing, etc. So everything works very well until I click Back button to return back to main activity. Then main activity appears but directly after - grays-out. I can't do anything there anymore... This "grayed-out" style looks something like there should be a dialog displayed, but there is no dialog shown, just the whole activity is pushed down/disabled instead...

One another interesting thing I noticed - that activity is still alive in background, because if I click "Search" button the Quick Search Box appears on top of my activity and if I click Back button then (to cancel it) - it disappears and my activity then becomes fully functional again (gray-out effect simply disappears...)

Tried watching logcat, but it shows nothing useful, no exceptions thrown, just this text always comes up:

W/KeyCharacterMap( 564): No keyboard for id 0
W/KeyCharacterMap( 564): Using default keymap: /system/usr/keychars/qwerty.kcm.bin

What could cause this problem?

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Android :: On / Off GPS And 3G By Clicking On Button Without Going On Setting Screen In Droid?

Oct 9, 2010

How can we on or off GPS and 3G by clicking on button without going on setting screen in android?

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Android : Get Screen Dimensions In Main Activity?

Jun 19, 2009

I created some custom elements and I want to programatically place them to the upper right corner (n pixels from the top edge and m pixels from the right edge) therefore I need to get the screen width and screen height and then set position:

int px = screenWidth - m;
int py = screenWidth - n;

Does anyone know how to get screenWidth and screenHeight in the main Activity?

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Android :: White Screen Appears In Main Activity?

Feb 15, 2010

public class Profile extends Activity{
WebView prof_webv;
private String selected_username;
private static final String INDEX = "http://14.143.227.140";

public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.main);
prof_webv = (WebView) findViewById(R.id.mainwebview);
prof_webv.getSettings().setJavaScriptEnabled(true);
prof_webv.getSettings().setSupportZoom(false);
prof_webv.loadUrl(INDEX);}

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if ((keyCode == KeyEvent.KEYCODE_BACK) ) {
finish();
return true;
}
return super.onKeyDown(keyCode, event);
}
}

This is my new Activity for a WebView. When the user clicks back, I simply want to close this Activity and return to my previous one. Notice, I put "onKeyDown" -> Finish. However, it's not working. Instead, I click "back", a blank white screen comes up.. (it doesn't even hit that onKeyDown Statement when I try to debug it)! When I hit "back" the second time, then it will go back to my previous Activity.

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Android :: How To Return From Preference Screen To Main Activity?

Oct 14, 2010

I have one main activity and one preference Activity. On my first activity I call menu and go on preference Activity by calling startActivityForResult. Code...

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Splash Screen And Main Activity?

Aug 22, 2013

I have written a code that stores all the videos for a certain playlist from YouTube in my database, now I want to design a button that checks if there is an updates on that playlist, for example: added video, deleted video,...and so on.

I want a splash screen to be displayed when checking if update occurred or not.Now I have my splash screen displayed but when it finishes I want to return from where I left from my main activity not to the beginning of my main activity.I had my splash screen in its on activity.

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Sony Ericsson Xperia X10 :: Screen Flickers And The Switch On/off Button Is Not Working

Oct 28, 2010

I just cannot believe whats happening with my brand new cell phone. Initially when i purchased it , this device started restarting. And when i complain to the SE they told me the battery connecter is damaged. So they sent my cell phone to Dubai SE. Got it replaced, and no restart yet. BUT the right side screen flickers and the switch on/off button is not working. So i cannot switch off my cell phone. If i remove battery and then again insert it, then phone start automatically without using the switch on button. What must be done, i have purchased this cell phone in Qatar and now i am in India. Please help this is so kinda heartbreaking

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Motorola Droid :: Clicking Noise When Switch Into Or Out Of Camera Mode

Nov 19, 2009

Has any body noticed that when you switch into or out of camera mode there is a little clicking noise (sounds almost like static electricity)?

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Android :: Open Dialogue Activity Without Opening Main Activity Behind It

Jul 19, 2010

Im writing a program that offers a quick reply dialog upon receipt of an SMS.

However, I am getting an unexpected result. When I receieve an SMS, the appropriate dialog activity comes up displaying the correct phone number and message, however there is a second activity behind it that is the 'default' activity in my program (it is what opens when i launch my application)

I do not want this second activity to come up. The quick reply activity should come up by itself over top of whatever the user was doing before.

The 'floating' activity:

CODE:.........

The call to the activity inside an onReceive()

CODE:..............

The Manifest:

CODE:.................

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Android :: Passing Arguments From Loading Activity To Main Activity

May 16, 2010

I'm writing an application that starts with a loading activity. In the loading activity the app requests html from web and parses the html, then it sends the parsing result to the main activity. The main activity has several tabs, and contents of these tabs are based on the result of parsing.For example, the result of parsing is a list of strings ["apple", "banana", "orange"], and I need to pass this list to main activity, so that the main activity can create three tabs named after three fruits.I would like to know if there is any way to pass a list of strings among activities, BTW, is it the common way of do this?

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Android :: Start Activity When Main Activity Is Running In Background

Jan 10, 2010

I created an application which enables the user to set whether he wants to receive notification while the application runs in background mode. If the notifications are enabled an activity should be started (the dialog should appear on the screen).

I tried to enabled it the following way:

CODE:...........

This is the method from main activity. When onPause() is executed isRunningInBackground is set true.
When I tried to debug it when the main application was running in the background the line

startActivity(intent) had no effect (the activity didn't appear).

Does anyone know how to midify the logic in order to start an activity from the main activity when the main activity is running in the background (after onPause() is called)?

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Android :: App Widget Configure Activity Opens Main Activity

Jan 10, 2010

I hav an app that is like a relational database. There is a main app activity that users manage things with. There is also a widget that will display important info and add data to the database. When the widget is clicked, a configure class displays a way for the user to edit data. When the configure activity is done, the widget is updated and instead of going back to the home screen, the apps main activity is started. I can't find where the main activity is being called from. Wouldn't I have to create an intent and start Activity() to get this behavior? When done updating, I want the home screen and not my app.

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Android :: Main Activity To Browser Activity Error

Nov 7, 2010

I have a main activity, then i call a new activity intent from this. Lets call this SecondActivity. Then from my secont activity i call a browser intent. Then my browser intent call my second activity's onNewIntent method.Evereything work fine, but when i click on "back" button on my phone on my second activity, i will not going to my main activity, but the browsers activity, why?

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Android :: Launch Activity From On-screen Camera / Capture Button?

Feb 8, 2010

Is it possible to start an activity from the built-in Camera app after the user touches the on-screen Capture button?

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Android :: Phone Starting New Activity When Screen Off Button Pressed

Aug 13, 2010

We are experiencing this strange problem. If I press screen off button When my activity is running, its again starting a new activity. If I press the screen off button again and unlock the phone, it again starts a new activity. So in total there are 2 new activities getting created for one screen off and on.

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Android :: Not Getting Next Image On Clicking Next Button

Nov 11, 2010

i have a nest button on clicking which a new image should be displayed.But not happening so i have taken an integer array as: private int imageCounter = 0; private int index_count = 0; private ImageView imageView; private int[] imageArray = {R.drawable.image_w_lbl_0, R.drawable.image_w_lbl_1,};

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Android : How To Redirect To Particular URL While Clicking On Button

Feb 10, 2010

I want to redirect to particular URL while clicking on button

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Android :: Activity State On Pressing Back And Home Button On Screen

May 6, 2009

Whenever I press the home button when Im in the root task of my application and when I click on the icon of my app again the state of my task (activity) is retained, but when i press the back button on the emulator and when I open my application its state is not retained. I want the state to be retained in both the scenarios.

In the mnifest I have given the below entries,

android:alwaysRetainTaskState="true" for the root activity

android:launchMode="singleTask" for the application

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Android :: Handle Lock Screen Button Input For Droid Activity?

Nov 12, 2010

Suppose I have something like an alarm activity which launches the alarm through the lock screen, accomplished via

getWindow().addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON);

Now, from here I could press the back button to kill the activity, but I also want a press of the lock button to silence the alarm. How would I go about creating a handler for presses of the lock screen button?

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Android :: Redraw Linearlayout After Clicking On Button?

Nov 22, 2010

I have a linearlayout that is filled with texviews dynamically when i click on a button , but the content of linearlayout doesn't appear, how can i redraw it?

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Android :: Loading Image On The Layout On Clicking Button

Nov 17, 2010

in my android application there are number of images in drawable folder. in my layout two buttons: back and forward button.on clicking next and back buttons different-2 image get loaded on the same layout(common for all images). Problem:i am able to load images in next button click but as i click on back button no image got loaded.

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Android :: How To Accept An Incoming Call By Clicking A Button

May 6, 2010

I'm trying to implement my own phone call handling UI. What I want to do is, if a call comes in, the incoming telephone number and a picture are displayed, and, if I press a button, the incoming call will be accepted/answered.

Sadly, the code does not work. At first, an exception is thrown if I press my answer button:
ActivityNotFoundException: No Activity found to handle Intent {act=android.intent.action.ANSWER

Then I added an entry in the AndroidManifest.xml: I run the app again, there is no exception anymore. However, I doubt the incoming call is not really accepted. Because if the press the Android's screen answer button (green button), the incoming call is accepted and a green in call icon is also displayed on the upper left corner of the emulator screen, while my app doesn't.

I also read the Phone app's source code in android source. There is method such as acceptCall() in the Phone class. But these codes seem difficult for me to use, because there are many imports declaration in the code, such as :

import com.android.internal.telephony.Call;
import com.android.internal.telephony.CallStateException;
import com.android.internal.telephony.CallerInfo;
import com.android.internal.telephony.CallerInfoAsyncQuery;
import com.android.internal.telephony.Connection;
import com.android.internal.telephony.MmiCode;
import com.android.internal.telephony.Phone;

And, if I add these imports in my code, there will be too many errors, such as : "The import com.android.internal.telephony cannot be resolved" What is the right and simple way for my problem?

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Android :: Make DatePickerDialog Not Dismiss After Clicking Set Button?

Apr 25, 2010

Is there any way to make DatePickerDialog not dismiss after clicking set button ?

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Android : Connect To Email While Clicking On Button In Droid?

Nov 25, 2009

How to connect to email while clicking on button in android

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