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- public class MainActivity extends Activity implements Runnable {
- Gebruiker gebruiker = new Gebruiker();
- private DatabaseHelper db;
- Context context;
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.activity_main);
- context = this;
- if(isOnline()){
- downloadData();
- } else {
- AlertDialog.Builder builder = new AlertDialog.Builder(context);
- builder.setMessage("Deze app vereist een actieve verbinding met het internet!")
- .setCancelable(false)
- .setPositiveButton("OK", new DialogInterface.OnClickListener() {
- public void onClick(DialogInterface dialog, int id) {
- android.os.Process.killProcess(android.os.Process.myPid());
- }
- });
- AlertDialog alert = builder.create();
- alert.show();
- }
- db = new DatabaseHelper(this);
- }
- @Override
- public boolean onCreateOptionsMenu(Menu menu) {
- // Inflate the menu; this adds items to the action bar if it is present.
- getMenuInflater().inflate(R.menu.main, menu);
- return true;
- }
- private ProgressDialog pDialog;
- public void downloadData() {
- pDialog = ProgressDialog.show(this,
- "Controleren op bestaande gebruiker..", "Even geduld", true,
- false);
- Thread thread = new Thread(this);
- thread.start();
- }
- public void run() {
- // add downloading code here
- HttpReader httpReader = new HttpReader();
- String url = "*****";
- url += Secure.getString(getApplicationContext().getContentResolver(),
- Secure.ANDROID_ID);
- JsonHelper jsonHelper = new JsonHelper();
- gebruiker = jsonHelper.getGebruiker((httpReader.getTextFromUrl(url)
- .trim()));
- handler.sendEmptyMessage(0);
- }
- private Handler handler = new Handler() {
- @Override
- public void handleMessage(Message msg) {
- pDialog.dismiss();
- if (gebruiker == null) {
- // ga naar aanmaken gebruiker
- Intent intent = new Intent(MainActivity.this,
- AanmakenUser.class);
- startActivity(intent);
- } else {
- // ga naar hoofdmenu
- db.droppen();
- db.insertGebruiker(gebruiker);
- Intent intent = new Intent(MainActivity.this, Hoofdmenu.class);
- startActivity(intent);
- // ga naar menu
- }
- }
- };
- public boolean isOnline() {
- ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
- NetworkInfo netInfo = cm.getActiveNetworkInfo();
- if (netInfo != null && netInfo.isConnectedOrConnecting()) {
- return true;
- }
- return false;
- }
- 01-10 16:12:16.444: E/AndroidRuntime(6090): FATAL EXCEPTION: Thread-10
- 01-10 16:12:16.444: E/AndroidRuntime(6090): java.lang.ExceptionInInitializerError
- 01-10 16:12:16.444: E/AndroidRuntime(6090): at db.jochen.quizapp.MainActivity.run(MainActivity.java:68)
- 01-10 16:12:16.444: E/AndroidRuntime(6090): at java.lang.Thread.run(Thread.java:1019)
- 01-10 16:12:16.444: E/AndroidRuntime(6090): Caused by: java.lang.RuntimeException: Can't create handler inside thread that has not called Looper.prepare()
- 01-10 16:12:16.444: E/AndroidRuntime(6090): at android.os.Handler.<init>(Handler.java:121)
- 01-10 16:12:16.444: E/AndroidRuntime(6090): at android.os.AsyncTask$InternalHandler.<init>(AsyncTask.java:421)
- 01-10 16:12:16.444: E/AndroidRuntime(6090): at android.os.AsyncTask$InternalHandler.<init>(AsyncTask.java:421)
- 01-10 16:12:16.444: E/AndroidRuntime(6090): at android.os.AsyncTask.<clinit>(AsyncTask.java:152)
- 01-10 16:12:16.444: E/AndroidRuntime(6090): ... 2 more
- 01-10 16:12:16.454: D/dalvikvm(6090): GC_CONCURRENT freed 79K, 48% free 2843K/5379K, external 3695K/4614K, paused 2ms+5ms
- 01-10 16:12:16.454: W/ActivityManager(278): Force finishing activity db.jochen.quizapp/.MainActivity
- 01-10 16:12:16.544: E/SkLayout_wtle(6090): ellipsis failed line number does not match 1 0
- 01-10 16:12:16.624: D/fast-dormancy(165): [FDM]: finish the match exclude list procedure, but can not match any one
- 01-10 16:12:16.624: D/fast-dormancy(165): [FDM]: GoDormant? 0
- 01-10 16:12:16.624: D/fast-dormancy(165): [FDM]: Threads Status Mutex Locked in fdm_main_loop
- 01-10 16:12:16.624: D/fast-dormancy(165): [FDM]: Threads Status Mutex Unlocked in fdm_main_loop
- 01-10 16:12:16.624: D/fast-dormancy(165): [FDM]: finish the match exclude list procedure, but can not match any one
- 01-10 16:12:16.624: D/fast-dormancy(165): [FDM]: GoDormant? 0
- 01-10 16:12:16.624: D/fast-dormancy(165): [FDM]: Threads Status Mutex Locked in fdm_main_loop
- 01-10 16:12:16.624: D/fast-dormancy(165): [FDM]: Threads Status Mutex Unlocked in fdm_main_loop
- 01-10 16:12:16.624: I/ActivityManager(278): No longer want com.sonyericsson.tvlauncher (pid 4961): hidden #16
- 01-10 16:12:16.664: E/WindowManager(6090): Activity db.jochen.quizapp.MainActivity has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@2afd4aa0 that was originally added here
- 01-10 16:12:16.664: E/WindowManager(6090): android.view.WindowLeaked: Activity db.jochen.quizapp.MainActivity has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@2afd4aa0 that was originally added here
- 01-10 16:12:16.664: E/WindowManager(6090): at android.view.ViewRoot.<init>(ViewRoot.java:269)
- 01-10 16:12:16.664: E/WindowManager(6090): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:148)
- 01-10 16:12:16.664: E/WindowManager(6090): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:91)
- 01-10 16:12:16.664: E/WindowManager(6090): at android.view.Window$LocalWindowManager.addView(Window.java:424)
- 01-10 16:12:16.664: E/WindowManager(6090): at android.app.Dialog.show(Dialog.java:241)
- 01-10 16:12:16.664: E/WindowManager(6090): at android.app.ProgressDialog.show(ProgressDialog.java:109)
- 01-10 16:12:16.664: E/WindowManager(6090): at android.app.ProgressDialog.show(ProgressDialog.java:97)
- 01-10 16:12:16.664: E/WindowManager(6090): at db.jochen.quizapp.MainActivity.downloadData(MainActivity.java:59)
- 01-10 16:12:16.664: E/WindowManager(6090): at db.jochen.quizapp.MainActivity.onCreate(MainActivity.java:33)
- 01-10 16:12:16.664: E/WindowManager(6090): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
- 01-10 16:12:16.664: E/WindowManager(6090): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1623)
- 01-10 16:12:16.664: E/WindowManager(6090): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1675)
- 01-10 16:12:16.664: E/WindowManager(6090): at android.app.ActivityThread.access$1500(ActivityThread.java:121)
- 01-10 16:12:16.664: E/WindowManager(6090): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:943)
- 01-10 16:12:16.664: E/WindowManager(6090): at android.os.Handler.dispatchMessage(Handler.java:99)
- 01-10 16:12:16.664: E/WindowManager(6090): at android.os.Looper.loop(Looper.java:138)
- 01-10 16:12:16.664: E/WindowManager(6090): at android.app.ActivityThread.main(ActivityThread.java:3701)
- 01-10 16:12:16.664: E/WindowManager(6090): at java.lang.reflect.Method.invokeNative(Native Method)
- 01-10 16:12:16.664: E/WindowManager(6090): at java.lang.reflect.Method.invoke(Method.java:507)
- 01-10 16:12:16.664: E/WindowManager(6090): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:878)
- 01-10 16:12:16.664: E/WindowManager(6090): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:636)
- 01-10 16:12:16.664: E/WindowManager(6090): at dalvik.system.NativeStart.main(Native Method)
- public class MyThread extends Thread {
- private Handler mHandler;
- public void run() {
- Looper.prepare();
- mHandler = new Handler() {
- @Override
- public void handleMessage(Message msg) {
- switch (msg.what) {
- // manage the message
- }
- }
- };
- Looper.loop();
- }
- public void stopLooper() {
- if (Looper.myLooper()!=null)
- Looper.myLooper().quitSafely();
- }
- }
- private Handler handler = new Handler(Looper.getMainLooper()) {
- ...
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