Android :: Looking For (RCA Audio Inputs) Adapter
Mar 2, 2010
My stereo system (Phillips MCM530 Micro System) has RCA audio inputs. I want to be able to play music from my G1 through the stereo. I'm wondering if either of these is what I should be using.
USB Virtual 5.1 Channel Sound Adapter with MIC Input USBG-SV5 LOW PRICE $19.98
USB 2.0 AUDIO Input/Output Sound Card for XP and Vista USBG-X2X LOW PRICE $17.88
USB Input/Output with LINE-IN Sound Card for Windows USBG-X4S LOW PRICE $28.88
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Oct 3, 2009
I just got an audio adapter for my magic so that I can use my headphone but it does not seem to work, the sound still comes from the inbuild speaker! Should I set summit up or am i missing something?
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Jan 10, 2010
Looking for a adapter to play droid over car radio. Is there a such thing as a headphone plug in into a audio video cords?
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Mar 20, 2010
I was looking for a bluetooth device that I can connect to my Home theater receiver. Size is not an issue as it will sit in the closet and will be running on AC power all the time. I saw this real cheap device on deal extreme but reviews aren't great. DealExtreme: $12.99 Bluetooth 2.0 A2DP AVRCP Stereo Music Receiver and Handsfree (Black)
I also found this. Amazon.com: BlackBerry Bluetooth Stereo Gateway: Cell Phones & Service . It is made for BB but will work with any A2DP device. A mini usb AC adapter is required for power source. Also found a motorola device for this. Motorola 89015J Dc800 Bluetooth Stereo Gateway | Discounted prices on all Bluetooth Headsets for the All All - shopcell.com
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Aug 3, 2010
I am developing a simple app that sets wallpapers based on some user inputs' I am almost done with my app, I am only missing the code for setting wallpapers. I have been looking for it in lots of websites in vain. Can anybody post a sample code that sets as a wallpaper a drawable that is saved in res folder.
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Jul 26, 2010
I have a small test app on Android that is meant to test tracking multitouch input, but I am only ever getting two touches at the same time on my Evo. Does anyone know if this is a limitation to Android or the hardware? By the way, here's my test class so you can try it out yourself.
import java.util.HashMap; import android.content.Context;
import android.graphics.Canvas; import android.graphics.Color;
import android.graphics.Paint; import android.graphics.Paint.Style;
import android.view.MotionEvent; import android.view.View;
public class PressureView extends View {
private HashMap<Integer, Spot> mSpots = new HashMap<Integer, Spot>();
private final int[] mColors; private final Paint mPaint;
public PressureView(Context context) { super(context);
mPaint = new Paint(); mPaint.setStyle(Style.FILL);
mColors = new int[]{Color.RED, Color.GREEN, Color.BLUE, Color.YELLOW, Color.MAGENTA};
} @Override protected void onDraw(Canvas canvas) { super.onDraw(canvas);
canvas.drawColor(Color.WHITE); for(int id : mSpots.keySet()) {
Spot spot = mSpots.get(id); mPaint.setColor(spot.Color);
canvas.drawCircle(spot.X, spot.Y, spot.Pressure*500, mPaint);
} } @Override public boolean onTouchEvent(MotionEvent event) {
System.out.println("***" + event.getPointerCount() + " Pointers");
for(int i = 0; i < event.getPointerCount(); i++) { int id = event.getPointerId(i);
Spot spot = null; if(mSpots.containsKey(id)) { spot = mSpots.get(id);
} else { spot = new Spot(); spot.Color = mColors[mSpots.size()]; }
if(event.getAction() == MotionEvent.ACTION_UP) spot.Pressure = 0;
else spot.Pressure = event.getPressure(id);
spot.X = event.getX(id); spot.Y = event.getY(id);
mSpots.put(id, spot); } invalidate(); return true;
} private class Spot { public float X, Y, Pressure; public int Color; } }
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Sep 13, 2010
I have a TextWatcher set on an EditText that changes the input type after a user types a number followed by a space. If the user types two numbers the input type switches and accepts the next character, but if the user types only one number and presses space the input type still changes but it won't accept the first character the user tries to input. I've tested this on Froyo and 1.6, it only happens on Froyo, 1.6 works like it should.
Here's the code:................
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Aug 18, 2010
Ive been given a usb 12 volt charger to use with my desire which works whereas the official 1 doesnt (due to my car being french), question is on the official 1 it says input is 10 - 30 v 0.8A output 5v 1A and the 1 ive been given has input at 12 ~ 24 vdc output 5v dc 1A. would the 1 i have been given charge the phone ok
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May 23, 2010
Does anyone know if there is a way for either meridian or the regular android player to recognize audio tags on lossless audio files?
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Sep 22, 2010
Is there an Android equivalent to the iOS Core Audio / Audio File Stream Services? I need to be able to read audio bytes from a network and feed them to the audio system under my control, so I can do my own timeouts / reconnects / range requests / etc. without interrupting the audio playback (since the system audio thread would be playing audio already enqueued). It seems that MediaPlayer doesn't give me this level of control. Is there a lower-level framework that does, either in the SDK or NDK?
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Oct 2, 2010
I want combine two audio files. (A audio file + B audio file = AB audio file)So, my search result is:
1. useing an AudioTrack.
2. decode PCM from audio file.
3. combine PCM.
This is currect? It there another way?
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Oct 17, 2010
I want to record a sample from the microphone, then I want to play the recorded file maximizing the volume and apply some audio effect, like modifing sample rate or addind an echo.Waht is the best way? is there an example?
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Jun 2, 2009
Could you please let me know how to do the audio record in android emulator and play the same recorded audio. Could you please help me in proceeding in development.I tried with MediaPlayer API's also.Its not working.
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May 8, 2010
Is there a way to determine the audio format of an audio file in Android? On normal java I do it like this:
File file= new File(...);
AudioInputStream stream = AudioSystem.getAudioInputStream(file);
AudioFormat format= stream.getFormat();
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May 5, 2010
I connected my phone via USB to my RR sport to upload audio files to the RR hard drive. However, I keep getting connection error. Apparently my device is not being recognized as a storage. I did the unmount thinking. Also, I am wondering how I can play audio from my phone through the RR audio system.
RR is 2010.
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Nov 12, 2010
I am working on a application that would allow users to play remote files. My question is how do I open those remote files to be played in the default android player?but this does not give me control of what is happening!
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Jun 28, 2010
I have a 720p video that I am trying to play on GS. The image is amazing by the way. But I can't hear any audio (works fine on my PC). Anything wrong with the audio codec used?
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Dec 9, 2009
I am streaming an MP3 audio and instead making this MP3 audio to play, I want it to be converted to PCM format and pass this PCM audio to AudioTrack(as it takes PCM data as input.) instead of passing my MP3 stream to MediaPlayer. Can anyone please help me to convert the MP3 to PCM stream?
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Nov 21, 2010
Could you please let me know what is an adapter and how can i use it? It seems to be powerful stuff.
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Jul 29, 2009
Generic android.widget.Adapter iface has getCount() method which tells e.g. ListView how many items adapter has. what if my Adapter's data source cannot tell me it's size and has only method Object getItem(int position) returning e.g. null when there is no item for that position? in other words i can get some object at given position but don't know maximum value for position so, is it possible to create Adapter not knowing apriori its size?
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Sep 12, 2009
I am developing file browser to my media player UI i have written in my OnItemClickListener() in that i called the method like adapter.notifyDataSetInvalidated() method but it is not working please help me to refresh my list.based on onItemClickListener() method.
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Jan 17, 2010
I have searched the whole group but wasn't able to find a answer for my problem.I want to record audio from the microphone, apply some audio signal processing and than save the processed audio data in a compressed format.I figured out, how to record audio uncompressed but now I wonder if I can use some api functions to store this data in a supported compressed format.
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Feb 15, 2010
I want to play music from online mp3 link.I am reading the music data into a stream and trying to play it using audio track.But itz giving only noise.No music i could listen.here buffer is the audio data i am reading into.Same buffer I can play in MediaPlayer,,,But i could not play in audio track.
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Jun 30, 2010
I'm switching over from Windows Mobile and I am a big user of WMWifiRouter. I know there are some Android apps for tethering, but there is a feature of WMWifiRouter that allows me to connect USB to WiFi and enable my phone to be used as a WiFi adapter. Is there such an app for Android? Thanks in advance!
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Feb 2, 2009
I am trying to use a list adapter. While querying, i need to have a column called "_id" which helps to scroll through the database. I have an other primary key in this table. Can I use a custom column name, or am i bound to the "_id" column.
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Nov 15, 2010
I have a custom layout with a lot of Views. Currently, I build the entire view hierarchy in the on Create, though I stream the actual work in small batches. This works OK up to about 1000 Views and then performance degrades a little. Obviously, I'd like to use the List Adapter pattern and only generate the parts of the View hierarchy that are visible on the screen. My parent View, however, is not (and cannot be) any of the existing List View types. My question, then, is how do the List View types interact with a List Adapter to limit the number of Views necessary to represent a big list? More broadly, is there a pattern out there for extending a Linear Layout to create special List Views?
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Nov 19, 2010
I have a custom adapter to display a list of items with section headings. I've looked at Jeff Sharkey's SeparatedListAdapter and CommonsWare's MergeAdapter as examples of how to achieve this, and I now have a solution which works by providing a separate adapter for the content of each section. This creates a big performance problem, though. In my case, there are potentially thousands of items in the list, each with an associated date, and I want to use the date as section heading for all the items with that date. So, without section headings, I'd have a single Cursor which returns the items sorted by date. Nice and easy. With section headings, I'm currently doing this: One Cursor to select all distinct dates in the dataset. For each distinct date, a separate Cursor to return the items matching that date. Pour the dates (section headings) and separate SimpleCursorAdapters for each date's items, into my custom adapter.
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Jan 31, 2010
How do I set row height if text of some rows more than one line when writing custom ArrayAdapter?
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May 18, 2009
I have ListActivity to show a custom list. The adapter for this list is a complex layout only known for each row at runtime depending on data gathered in a previous activity. The question I have is simple. I know it takes 4-6 seconds to prepare the adapter for the rows that will be visible (first 10), however I would like to let the user know by means of the empty list functionality or otherwise. At present the ListActivity is launched via a button on a previous activity and when that button is clicked the new activity will not be loaded until the adapter is completed, and the user is stuck with the previous activity until this happens. Code...
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Feb 25, 2010
I have a custom adapter for an arraylist.
CODE:...........
But when i try to access to the progress bar in the adapter
CODE:............
It always return null, like it doesn't find the progress bar. However, the progress bar is shown in the list, but i need to access to it inside the adapter.
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