Class<?> getPluginClass(String packageName, String className)
throws NameNotFoundException, ClassNotFoundException {
Context pluginContext =
this.mAppContext.createPackageContext(
packageName, Context.CONTEXT_INCLUDE_CODE | Context.CONTEXT_IGNORE_SECURITY);
ClassLoader pluginCL = pluginContext.getClassLoader();
return pluginCL.loadClass(className);
}
/**
* @param context
* @return
*/
public static String version(final Context context) {
String version = null;
try {
final PackageInfo packageinfo =
context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
version = packageinfo.versionName;
} catch (Exception x) {
DBG.m(x);
}
return version;
}
/**
* @param context
* @return
*/
public static String getApplicationName(final Context context) {
String name = null;
try {
final PackageManager packagemanager = context.getPackageManager();
final PackageInfo packageinfo = packagemanager.getPackageInfo(context.getPackageName(), 0);
name =
packageinfo.applicationInfo.loadLabel(packagemanager).toString()
+ "("
+ packageinfo.packageName
+ ")";
} catch (Exception x) {
DBG.m(x);
}
return name;
}
/**
* http://developer.android.com/training/monitoring-device-state/connectivity-monitoring.html
* http://developer.android.com/training/basics/network-ops/managing.html
*
* @param context
* @return
*/
public static boolean isNetworkAvailable(final Context context, final boolean mobile) {
boolean available = false;
try {
final ConnectivityManager connectivitymanager =
(ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
final NetworkInfo networkinfo = connectivitymanager.getActiveNetworkInfo();
if ((networkinfo != null) && networkinfo.isConnectedOrConnecting()) {
switch (networkinfo.getType()) {
case ConnectivityManager.TYPE_WIFI:
case ConnectivityManager.TYPE_WIMAX:
case ConnectivityManager.TYPE_ETHERNET:
available = true;
break;
case ConnectivityManager.TYPE_MOBILE:
if (mobile) {
available = true;
}
break;
}
}
} catch (Throwable x) {
DBG.m(x);
}
return available;
}
public String readFromFile() {
String ret = "";
try {
InputStream inputStream = context.openFileInput("locations.json");
if (inputStream != null) {
InputStreamReader inputStreamReader = new InputStreamReader(inputStream);
BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
String receiveString = "";
StringBuilder stringBuilder = new StringBuilder();
while ((receiveString = bufferedReader.readLine()) != null) {
stringBuilder.append(receiveString);
}
inputStream.close();
ret = stringBuilder.toString();
}
} catch (FileNotFoundException ex) {
Log.e("login activity", "File not found: " + ex.toString());
} catch (IOException ex) {
Log.e("login activity", "Can not read file: " + ex.toString());
}
return ret;
}
public void writeToFile(String data) {
try {
OutputStreamWriter outputStreamWriter =
new OutputStreamWriter(context.openFileOutput("locations.json", Context.MODE_PRIVATE));
outputStreamWriter.write(data);
outputStreamWriter.close();
} catch (IOException ex) {
Log.e("Exception", "File write failed: " + ex.toString());
}
}
/**
* @param context
* @param classname
* @return
*/
public static boolean isServiceRunning(final Context context, final String classname) {
boolean running = false;
try {
final ActivityManager activitymanager =
(ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
final List<ActivityManager.RunningServiceInfo> runningserviceinfos =
activitymanager.getRunningServices(Integer.MAX_VALUE);
for (final ActivityManager.RunningServiceInfo runningserviceinfo : runningserviceinfos) {
final String serviceclassname = runningserviceinfo.service.getClassName();
if (serviceclassname == null) {
continue;
}
if (serviceclassname.equals(classname)) {
running = true;
break;
}
}
} catch (Exception x) {
DBG.m(x);
}
return running;
}
/** @param context */
public static void showDiagnosticInfo(final Context context) {
try {
DBG.m(" Build.VERSION.SDK_INT: " + Build.VERSION.SDK_INT);
DBG.m(" Build.VERSION.CODENAME: " + Build.VERSION.CODENAME);
DBG.m(" Build.DEVICE: " + android.os.Build.DEVICE);
DBG.m(" Build.MODEL: " + android.os.Build.MODEL);
DBG.m(" Build.PRODUCT: " + android.os.Build.PRODUCT);
final DisplayMetrics displaymetrics = new DisplayMetrics();
final WindowManager windowmanager =
(WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
windowmanager.getDefaultDisplay().getMetrics(displaymetrics);
DBG.m(" DisplayMetrics.density: " + displaymetrics.density);
DBG.m(" DisplayMetrics.densityDpi: " + displaymetrics.densityDpi);
DBG.m(" DisplayMetrics.heightPixels: " + displaymetrics.heightPixels);
DBG.m(" DisplayMetrics.widthPixels: " + displaymetrics.widthPixels);
DBG.m(" DisplayMetrics.scaledDensity: " + displaymetrics.scaledDensity);
DBG.m(" DisplayMetrics.xdpi: " + displaymetrics.xdpi);
DBG.m(" DisplayMetrics.ydpi: " + displaymetrics.ydpi);
} catch (Exception x) {
DBG.m(x);
}
}
