// IBinder oRemoteService = ServiceManager.getService("usagestats")
			Class<?> cServiceManager = Class
					.forName("android.os.ServiceManager");
			Method mGetService = cServiceManager.getMethod("getService",
					java.lang.String.class);
			Object oRemoteService = mGetService.invoke(null, "usagestats");

			// IUsageStats oIUsageStats =
			// IUsageStats.Stub.asInterface(oRemoteService)
			Class<?> cStub = Class
					.forName("com.android.internal.app.IUsageStats$Stub");
			Method mUsageStatsService = cStub.getMethod("asInterface",
					android.os.IBinder.class);
			Object oIUsageStats = mUsageStatsService.invoke(null,
					oRemoteService);

			// PkgUsageStats[] oPkgUsageStatsArray =
			// mUsageStatsService.getAllPkgUsageStats();
			Class<?> cIUsageStatus = Class
					.forName("com.android.internal.app.IUsageStats");
			Method mGetAllPkgUsageStats = cIUsageStatus.getMethod(
					"getAllPkgUsageStats", (Class[]) null);
			Object[] oPkgUsageStatsArray = (Object[]) mGetAllPkgUsageStats
					.invoke(oIUsageStats, (Object[]) null);
			System.out.println(oPkgUsageStatsArray);

			Class<?> cPkgUsageStats = Class
					.forName("com.android.internal.os.PkgUsageStats");

			for (Object pkgUsageStats : oPkgUsageStatsArray) {
				// get pkgUsageStats.packageName, pkgUsageStats.launchCount,
				// pkgUsageStats.usageTime
				String packageName = (String) cPkgUsageStats.getDeclaredField(
						"packageName").get(pkgUsageStats);
				int launchCount = cPkgUsageStats
						.getDeclaredField("launchCount").getInt(pkgUsageStats);
				long usageTime = cPkgUsageStats.getDeclaredField("usageTime")
						.getLong(pkgUsageStats);
				System.out.println(packageName + ":" + launchCount + ":"
						+ usageTime);
			}
	public static void main(String[] args) {
		String[] a = new String[4];
		a[0] = "/home/melord/PBJAO-GB/PBJA0-GB/build/target/product/security/platform.x509.pem";
		a[1] = "/home/melord/PBJAO-GB/PBJA0-GB/build/target/product/security/platform.pk8";
		a[2] = "HellAndroid.apk";
		a[3] = "temp.apk";
		com.android.signapk.SignApk.main(a);
	}