android

Resources.getSystem().openRawResource(random.txt) returns Resource$NotFoundException

Building on 1.6 SDK4 InputStream is = Resources.getSystem().openRawResource(R.raw.vortexrules); This line is causing me no end of trouble... My R.java shows: public static final class raw { public static final int vortexrules=0x7f040000; which tells me that the compiler is recognizing the text file and the folder and setting t...

Changing Tab Widget Border Color

Hi everybody, I changed the background color of Tab WIdget in Android. But when I changed the background, I lost the border of each Tab. I want to change the border color of Tab Widget. How can I change it? Is there any other way by which I can show the border? Thank you Deepak ...

Show soft keyboard when Activity starts when no text field is present

I want to open soft keyboard while starting an activity. The activity contains nothing as its element. I just need to open soft keyboard on the launch. I've tried with <activity android:windowSoftInputMode="stateAlwaysVisible|stateVisible|adjustResize" but it didn't work. Also tried with getWindow().setSoftInputMode(WindowManager.L...

Handling Orientation changes with Context and AlertDialog/AsyncTask

I have an activity that loads an AlertDialog like this. progressDialog = new ProgressDialog( MyActivity.this ); progressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER); progressDialog.setMessage("Doing Something"); progressDialog.setCancelable(false); progressDialog.show(); I also have ano...

How to remove Gravity factor from Accelerometer readings in Android 3-axis accelerometer.

Hi, Can anyone help on removing the g factor from accelerometer readings. I am using SensorEventListener with onSensorChanged() method for getting Sensor.TYPE_ACCELEROMETER data. I need only pure acceleration values in all directions. So at any state if the device is stable (or in constant speed), it should give (0.0,0.0,0.0) roughly...

Android best revision control for apps?

Ok so I have my app that I am about to release as a beta. It also has bug reporting feature thanks to ACRA. Now I want to be updating the beta and also fix any bugs that has been reported. But of course I would want to keep the original released copy so that I can figure out the bugs and what not. And then as final versions get releas...

dispaly the gallery elements as circle

Hi I am using the gallry for displaying the images.But the gallary have end.but i don't want it.i want to repeat the images again and again both sides.Now my question is how we display the gallary elemets as circle.Please give me some suggestions.Thanks in advance ...

Android widget design questions

I'm creating a widget for the Android platform., however I need some advice on certain aspects. 1) If I have a 3x3 widget, what is the actual dip/dp for this layout? 2) I'm creating a basic calculator layout inside the widget, how can I better layout the elements? Linear/Absolute/Relative? 3) Depending on the layout above, are there any...

want to do something when choose options from list (listpreference)

I am using preference concept (listpreference) in my application. I want to do something when i choose particular option from list So plese tell me how is it possible? ...

What is active GPS effect on mobile devices battery life?

How much does active GPS drain the battery? Without the overhead of the gps navigator software. s ay I want to sample the gps every 2 minutes and save it to a file. how much battery power will that cost me? Will I get 10% shorter life? 20%? ..? ...

small project in android

Double temp_val = 0.0; temp_val = Double.parseDouble(et1.getText().toString()); if (temp_val < 14) { final AlertDialog alertDialog = new AlertDialog.Builder(this).create(); alertDialog.setTitle("Reset..."); alertDialog.setMessage("WB should be great...

android.intent.action.SCREEN_OFF

Hi guys, I am trying to detect Screen backlight On / Off. I've found android.intent.action.SCREEN_OFF related its event. But I don't know how to use this. Can you suggest me about how to detect screen backlight on / off ? I missing some example or sample code. Thanks in advance. ...

How can I know what functions to call when programming Android features?

Basically, I don't know what functions & XML attributes to provide when programming a specific Android feature; eg, Android Search Widget with Edittext in the middle, magnifier glass on the right, and a custom icon on the left. From where I can find out what methods, parameters & XML attributes to call when doing a specific Android task...

Could Not parse java.lang.NumberFormat Exception

try{ if (flag_conv == false) { if ((Integer.parseInt(et1.getText().toString()))<=55) { final AlertDialog alertDialog = new AlertDialog.Builder(this).create(); alertDialog.setTitle("Reset..."); ...

Full screen preview after image is captured in camera in android

I am using android 1.5. Here is my image capture code : public class CaptureImage extends Activity implements SurfaceHolder.Callback{ private Camera camera=null; private SurfaceHolder surfaceHolder = null; private boolean previewRunning = false; private Context thisContext = this; private String imageName = null; ...

Android - Simple code to enable notification bar

I have an Android device where the default is for the Notification bar to be off so you cannot drag it down. I want to write a simple program that turns the notification bar back on so you can drag it down to view the notifications. If someone could show me the code to do that I would be very grateful. ...

Android video player problem

I have wrote video player code in android.But one problem that i am facing is When i debug my code video is playing properly but when i run this, video is not appeared only sound can be listen. Any help would be appreciated. This is main method of my video player. private void playVideo(String url) { try { media.setEnabled(f...

Find out the new element in EditText View

Hi ,I want to execute one method wheneer i enter number in EditText view.But i did not change the focus of EditText.I am stay in the same EditText when i enter a new number automatically i eant to execute one function.Now my question is how we find that event that means enter a new number in EditText ...

On Android 2.2: Being in Tethering mode and scanning wifi at the SAME time

Hi: Is it generally possible to have Wifi Tethering turned on (creating a Hotspot) and at the same time scanning for Wifi devices? I want several devices just discover (NOT connect) each other and log the signal strength. To do that all devices must be discoverable over Wifi and at the same time discover others. I would just need that fo...

How to put multiple widget sizes in one apk?

What I'm trying to do is have a clock widget of different sizes (i.e. 2x2, 3x3, 4x4 etc) in one apk and a configuration activity to be able to select which size to add. From what i've learned from documentation: Widget size is specified in <appwidget-provider> tag in respective xml file Also in that file I set up the configuration act...