86 lines
3.2 KiB
Java
Executable File
86 lines
3.2 KiB
Java
Executable File
package org.libsdl.app;
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import android.content.Context;
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import java.lang.Class;
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import java.lang.reflect.Method;
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/**
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SDL library initialization
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*/
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public class SDL {
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// This function should be called first and sets up the native code
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// so it can call into the Java classes
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public static void setupJNI() {
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SDLActivity.nativeSetupJNI();
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SDLAudioManager.nativeSetupJNI();
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SDLControllerManager.nativeSetupJNI();
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}
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// This function should be called each time the activity is started
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public static void initialize() {
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setContext(null);
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SDLActivity.initialize();
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SDLAudioManager.initialize();
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SDLControllerManager.initialize();
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}
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// This function stores the current activity (SDL or not)
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public static void setContext(Context context) {
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mContext = context;
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}
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public static Context getContext() {
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return mContext;
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}
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public static void loadLibrary(String libraryName) throws UnsatisfiedLinkError, SecurityException, NullPointerException {
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if (libraryName == null) {
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throw new NullPointerException("No library name provided.");
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}
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try {
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// Let's see if we have ReLinker available in the project. This is necessary for
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// some projects that have huge numbers of local libraries bundled, and thus may
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// trip a bug in Android's native library loader which ReLinker works around. (If
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// loadLibrary works properly, ReLinker will simply use the normal Android method
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// internally.)
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//
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// To use ReLinker, just add it as a dependency. For more information, see
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// https://github.com/KeepSafe/ReLinker for ReLinker's repository.
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//
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Class<?> relinkClass = mContext.getClassLoader().loadClass("com.getkeepsafe.relinker.ReLinker");
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Class<?> relinkListenerClass = mContext.getClassLoader().loadClass("com.getkeepsafe.relinker.ReLinker$LoadListener");
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Class<?> contextClass = mContext.getClassLoader().loadClass("android.content.Context");
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Class<?> stringClass = mContext.getClassLoader().loadClass("java.lang.String");
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// Get a 'force' instance of the ReLinker, so we can ensure libraries are reinstalled if
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// they've changed during updates.
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Method forceMethod = relinkClass.getDeclaredMethod("force");
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Object relinkInstance = forceMethod.invoke(null);
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Class<?> relinkInstanceClass = relinkInstance.getClass();
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// Actually load the library!
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Method loadMethod = relinkInstanceClass.getDeclaredMethod("loadLibrary", contextClass, stringClass, stringClass, relinkListenerClass);
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loadMethod.invoke(relinkInstance, mContext, libraryName, null, null);
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}
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catch (final Throwable e) {
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// Fall back
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try {
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System.loadLibrary(libraryName);
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}
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catch (final UnsatisfiedLinkError ule) {
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throw ule;
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}
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catch (final SecurityException se) {
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throw se;
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}
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}
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}
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protected static Context mContext;
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}
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