zorldo

GoNativeActivity.java (1879B)

---

 package org.golang.app;
 
 import android.app.Activity;
 import android.app.NativeActivity;
 import android.content.Context;
 import android.content.pm.ActivityInfo;
 import android.content.pm.PackageManager;
 import android.os.Bundle;
 import android.util.Log;
 import android.view.KeyCharacterMap;
 
 public class GoNativeActivity extends NativeActivity {
 	private static GoNativeActivity goNativeActivity;
 
 	public GoNativeActivity() {
 		super();
 		goNativeActivity = this;
 	}
 
 	String getTmpdir() {
 		return getCacheDir().getAbsolutePath();
 	}
 
 	static int getRune(int deviceId, int keyCode, int metaState) {
 		try {
 			int rune = KeyCharacterMap.load(deviceId).get(keyCode, metaState);
 			if (rune == 0) {
 				return -1;
 			}
 			return rune;
 		} catch (KeyCharacterMap.UnavailableException e) {
 			return -1;
 		} catch (Exception e) {
 			Log.e("Go", "exception reading KeyCharacterMap", e);
 			return -1;
 		}
 	}
 
 	private void load() {
 		// Interestingly, NativeActivity uses a different method
 		// to find native code to execute, avoiding
 		// System.loadLibrary. The result is Java methods
 		// implemented in C with JNIEXPORT (and JNI_OnLoad) are not
 		// available unless an explicit call to System.loadLibrary
 		// is done. So we do it here, borrowing the name of the
 		// library from the same AndroidManifest.xml metadata used
 		// by NativeActivity.
 		try {
 			ActivityInfo ai = getPackageManager().getActivityInfo(
 					getIntent().getComponent(), PackageManager.GET_META_DATA);
 			if (ai.metaData == null) {
 				Log.e("Go", "loadLibrary: no manifest metadata found");
 				return;
 			}
 			String libName = ai.metaData.getString("android.app.lib_name");
 			System.loadLibrary(libName);
 		} catch (Exception e) {
 			Log.e("Go", "loadLibrary failed", e);
 		}
 	}
 
 	@Override
 	public void onCreate(Bundle savedInstanceState) {
 		load();
 		super.onCreate(savedInstanceState);
 	}
 }