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- Automated download of resource files for Android

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-- There's still lots of things to figure out: scalability of the server (can we host the files someplace else? Can we have several servers in case one of them fails?), versioning, possibility to download several mods, etc... but this is the basic functionality and should be enough for the first version.
-- The Java file should probably be split...it's close to 1000 lines now :/
This commit is contained in:
wagic.the.homebrew
2011-11-13 08:43:07 +00:00
parent fe83b6b4e8
commit 3ed822f33b
1 changed files with 176 additions and 13 deletions
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189
projects/mtg/Android/src/org/libsdl/app/SDLActivity.java
View File

@@ -7,7 +7,11 @@ import javax.microedition.khronos.egl.EGLDisplay;
import javax.microedition.khronos.egl.EGLSurface;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.graphics.Canvas;
import android.graphics.PixelFormat;
import android.hardware.Sensor;
@@ -17,7 +21,9 @@ import android.hardware.SensorManager;
import android.media.AudioFormat;
import android.media.AudioManager;
import android.media.AudioTrack;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
@@ -34,12 +40,21 @@ import android.widget.FrameLayout.LayoutParams;
import com.google.ads.*;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URL;
import java.net.URLConnection;
/**
SDL Activity
*/
public class SDLActivity extends Activity {
// Main components
private static AdView mAdView;
private static SDLActivity mSingleton;
@@ -49,6 +64,55 @@ public class SDLActivity extends Activity {
private static Thread mAudioThread;
private static AudioTrack mAudioTrack;
//Resource download
public static final int DIALOG_DOWNLOAD_PROGRESS = 0;
public static final int DIALOG_DOWNLOAD_ERROR = 1;
private ProgressDialog mProgressDialog;
private AlertDialog mErrorDialog;
public String mErrorMessage = "";
public Boolean mErrorHappened = false;
public final static String RES_FOLDER = "/sdcard/Wagic/Res/";
public static final String RES_FILENAME = "core_017.zip";
public static final String RES_URL = "http://wololo.net/files/wagic/";
private void startDownload() {
String url = RES_URL + RES_FILENAME;
new DownloadFileAsync().execute(url);
}
public void downloadError(String errorMessage) {
mErrorHappened = true;
mErrorMessage = errorMessage;
}
@Override
protected Dialog onCreateDialog(int id) {
switch (id) {
case DIALOG_DOWNLOAD_PROGRESS:
mProgressDialog = new ProgressDialog(this);
mProgressDialog.setMessage("Downloading resource files (" + RES_FILENAME + ")");
mProgressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
mProgressDialog.setCancelable(false);
mProgressDialog.show();
return mProgressDialog;
case DIALOG_DOWNLOAD_ERROR:
//prepare alertDialog
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setMessage(mErrorMessage)
.setCancelable(false)
.setPositiveButton("Exit", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
System.exit(0);
}
});
mErrorDialog = builder.create();
mErrorDialog.show();
return mErrorDialog;
default:
return null;
}
}
// Load the .so
static {
System.loadLibrary("SDL");
@@ -58,16 +122,9 @@ public class SDLActivity extends Activity {
System.loadLibrary("main");
}
// Setup
@Override
protected void onCreate(Bundle savedInstanceState) {
//Log.v("SDL", "onCreate()");
super.onCreate(savedInstanceState);
// So we can call stuff from static callbacks
mSingleton = this;
//create main application
public void mainDisplay() {
FrameLayout _videoLayout = new FrameLayout(this);
//mGLView = new DemoGLSurfaceView(this);
@@ -102,7 +159,27 @@ public class SDLActivity extends Activity {
request.addTestDevice("C386F3830A9789C649098A817BF54C04"); //xawotihs's tablet
// Initiate a generic request to load it with an ad
mAdView.loadAd(request);
mAdView.loadAd(request);
}
// Setup
@Override
protected void onCreate(Bundle savedInstanceState) {
//Log.v("SDL", "onCreate()");
super.onCreate(savedInstanceState);
// So we can call stuff from static callbacks
mSingleton = this;
File file = new File(RES_FOLDER + RES_FILENAME);
if (file.exists()) {
mainDisplay();
} else {
FrameLayout _videoLayout = new FrameLayout(this);
setContentView(_videoLayout,
new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT));
startDownload();
}
}
// Events
@@ -299,6 +376,90 @@ public class SDLActivity extends Activity {
mAudioTrack = null;
}
}
class DownloadFileAsync extends AsyncTask<String, String, String> {
@Override
protected void onPreExecute() {
super.onPreExecute();
showDialog(DIALOG_DOWNLOAD_PROGRESS);
}
@Override
protected String doInBackground(String... aurl) {
int count;
try {
//
// Prepare the sdcard folders in order to download the resource file
//
String state = Environment.getExternalStorageState();
if (! Environment.MEDIA_MOUNTED.equals(state)) {
mSingleton.downloadError("cannot write to SD Card, please check your sd card");
return null;
}
File resDirectory = new File(RES_FOLDER); //TODO use getExternalStorageDirectory() and update the C++ code
resDirectory.mkdirs();
URL url = new URL(aurl[0]);
URLConnection conexion = url.openConnection();
conexion.connect();
int lenghtOfFile = conexion.getContentLength();
Log.d("ANDRO_ASYNC", "Length of file: " + lenghtOfFile);
InputStream input = new BufferedInputStream(url.openStream());
// create a File object for the output file
File outputFile = new File(resDirectory, RES_FILENAME + ".tmp");
OutputStream output = new FileOutputStream(outputFile);
byte data[] = new byte[1024];
long total = 0;
while ((count = input.read(data)) != -1) {
total += count;
publishProgress(""+(int)((total*100)/lenghtOfFile));
output.write(data, 0, count);
}
output.flush();
output.close();
input.close();
} catch (Exception e) {
mSingleton.downloadError("An error happened while downloading the resources. It could be that our server is temporarily down, that your device is not connected to a network, or that we cannot write to " + RES_FOLDER + ". Please check your phone settings and try again. For more help please go to http://wagic.net");
}
return null;
}
protected void onProgressUpdate(String... progress) {
Log.d("ANDRO_ASYNC",progress[0]);
mProgressDialog.setProgress(Integer.parseInt(progress[0]));
}
@Override
protected void onPostExecute(String unused) {
if (mErrorHappened) {
dismissDialog(DIALOG_DOWNLOAD_PROGRESS);
showDialog(DIALOG_DOWNLOAD_ERROR);
return;
}
//rename the temporary file into the final filename
File preFile = new File(RES_FOLDER + RES_FILENAME + ".tmp");
File postFile = new File(RES_FOLDER + RES_FILENAME);
preFile.renameTo(postFile);
dismissDialog(DIALOG_DOWNLOAD_PROGRESS);
//Start game;
mSingleton.mainDisplay();
}
}
}
/**
@@ -673,7 +834,9 @@ class SDLSurface extends SurfaceView implements SurfaceHolder.Callback,
event.values[1],
event.values[2]);
}
}
}
}