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access google apk library through reflection

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This commit is contained in:
stopiccot 2014-04-30 22:51:29 +03:00
parent 3cdae42d65
commit 3727528eb9
1 changed files with 26 additions and 6 deletions
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32
android-project/src/org/libsdl/app/SDLActivity.java
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@ -7,6 +7,7 @@ import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.lang.reflect.Method;
import android.app.*;
import android.content.*;
@ -22,9 +23,6 @@ import android.graphics.*;
import android.media.*;
import android.hardware.*;
import com.android.vending.expansion.zipfile.APKExpansionSupport;
import com.android.vending.expansion.zipfile.ZipResourceFile;
/**
SDL Activity
*/
@ -502,7 +500,12 @@ public class SDLActivity extends Activity {
}
// APK extension files support
private ZipResourceFile expansionFile = null;
/** com.android.vending.expansion.zipfile.ZipResourceFile object or null. */
private Object expansionFile;
/** com.android.vending.expansion.zipfile.ZipResourceFile's getInputStream() or null. */
private Method expansionFileMethod;
public InputStream openAPKExtensionInputStream(String fileName) throws IOException {
// Get a ZipResourceFile representing a merger of both the main and patch files
@ -510,11 +513,28 @@ public class SDLActivity extends Activity {
Integer mainVersion = Integer.parseInt(nativeGetHint("SDL_ANDROID_APK_EXPANSION_MAIN_FILE_VERSION"));
Integer patchVersion = Integer.parseInt(nativeGetHint("SDL_ANDROID_APK_EXPANSION_PATCH_FILE_VERSION"));
expansionFile = APKExpansionSupport.getAPKExpansionZipFile(this, mainVersion, patchVersion);
try {
expansionFile = Class.forName("com.android.vending.expansion.zipfile.APKExpansionSupport")
.getMethod("getAPKExpansionZipFile", Context.class, int.class, int.class)
.invoke(null, this, mainVersion, patchVersion);
expansionFileMethod = expansionFile.getClass()
.getMethod("getInputStream", String.class);
} catch (Exception ex) {
ex.printStackTrace();
expansionFile = null;
expansionFileMethod = null;
}
}
// Get an input stream for a known file inside the expansion file ZIPs
InputStream fileStream = expansionFile.getInputStream(fileName);
InputStream fileStream;
try {
fileStream = (InputStream)expansionFileMethod.invoke(expansionFile, fileName);
} catch (Exception ex) {
ex.printStackTrace();
fileStream = null;
}
if (fileStream == null) {
throw new IOException();