We Keep Coding

How can I stop my Android webview app from refreshing when I rotate my phone?

I am trying to complete my org's first app (we lost our dev due to health issues) and it seems to be working except that when the phone is rotated it refreshes back to the login screen. I realize that this question was answered previously here but this information is 4 years old and I get some compiling errors.
Here is our code - I really hope that someone can help as I am completely new to this and not really a dev myself, but I feel like what we have is close to a solution.
Manifest.xml:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="ca.ruffarc.flytest">
<uses-permission android:name="android.permission.INTERNET" />
<application
android:allowBackup="true"
android:icon="#mipmap/ic_launcher"
android:label="#string/app_name"
android:supportsRtl="true"
android:theme="#style/Theme.AppCompat.NoActionBar">
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
Main Activity:
package ca.ruffarc.flytest;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.View;
import android.webkit.WebView;
import android.webkit.WebViewClient;
public class MainActivity extends AppCompatActivity {
private WebView webView;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
webView = (WebView) findViewById(R.id.webview);
webView.setWebViewClient(new MyBrowser());
webView.getSettings().setLoadsImagesAutomatically(true);
webView.getSettings().setJavaScriptEnabled(true);
webView.setScrollBarStyle(View.SCROLLBARS_INSIDE_OVERLAY);
webView.loadUrl("https://flyapp.ca/en/authentication");
}
private class MyBrowser extends WebViewClient {
#Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
view.loadUrl(url);
return true;
}
}
#Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if ((keyCode == KeyEvent.KEYCODE_BACK) && webView.canGoBack()) {
webView.goBack();
return true;
}
else
{
finish();
}
return super.onKeyDown(keyCode, event);
}
}

If you look at the AndroidManifest.xml from the link you gave you will see that <activity> has property android:configChanges="orientation|keyboardHidden".
So you need to do the same for your activity in the manifest with small difference:
android:configChanges="orientation|screenSize|keyboardHidden".
Here's a full example of Manifest.xml:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="ca.ruffarc.flytest">
<uses-permission android:name="android.permission.INTERNET" />
<application
android:allowBackup="true"
android:icon="#mipmap/ic_launcher"
android:label="#string/app_name"
android:supportsRtl="true"
android:theme="#style/Theme.AppCompat.NoActionBar">
<activity android:name=".MainActivity"
android:configChanges="orientation|screenSize|keyboardHidden">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>

Facebook Graph API on Android - creating new post on my own page

I have this sourcecode :
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import java.net.URL;
import facebook4j.Account;
import facebook4j.Facebook;
import facebook4j.FacebookFactory;
import facebook4j.PostUpdate;
import facebook4j.auth.AccessToken;
public class MainActivity extends AppCompatActivity {
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
try{
Facebook facebook = new FacebookFactory().getInstance();
facebook.setOAuthAppId(String.valueOf(R.string.facebook_app_id), String.valueOf(R.string.facebook_app_secret));
facebook.setOAuthAccessToken(new facebook4j.auth.AccessToken("10000000000003|mqs000000000000C46A"));
String pageToken = "EAAUB000000000000000000000000000000000000000000000123000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000AZDZD";
for (Account a : facebook.getAccounts()) {
if (a.getName().toLowerCase().contains("nameOfPage")) {
pageToken = a.getAccessToken();
PostUpdate post = new PostUpdate(new URL("https://facebook.com/1000000000000003/feed"))
.picture(new URL("http://cdn.sstatic.net/Sites/stackoverflow/company/img/logos/so/so-icon.png"))
.name("example name")
.caption("example caption")
.message("example message")
.description("example description");
if (pageToken != null) {
facebook.setOAuthAccessToken(new AccessToken("EAAUB000000000000000000000000000000000000000000000000000123000000000000000000000000000000000000000000123000000000000000000000000000000000000000000000000000000000000000000000AZDZD"));
facebook.postFeed(post);
//ScriptGroup.Input.addInfoAnnotation(req, "sysAdminTools.annotation.fb.ok");
}
}
}
}catch(Exception e){
System.out.println();
}
}
}
With manifest:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="test.app">
<application
android:allowBackup="true"
android:icon="#mipmap/ic_launcher"
android:label="#string/app_name"
android:supportsRtl="true"
android:theme="#style/AppTheme">
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<meta-data android:name="com.facebook.sdk.ApplicationId" android:value="#string/facebook_app_id"/>
<provider android:authorities="com.facebook.app.FacebookContentProvider1400000000000003"
android:name="com.facebook.FacebookContentProvider"
android:exported="true" />
</application>
<uses-permission android:name="android.permission.INTERNET" />
</manifest>
and it is not working. I am trying to Google it for over a hour and I cant find anything expect this. I have PageToken, AppToken with AppSecret already generated by myself. Can you please explain me whats wrong and recommend sollution?
Every time I press button logcat shows this but nothing happen:
09-11 8:24:69.420 28087-28087/test.app I/HwSecImmHelper: mSecurityInputMethodService is null
App is not crashing, no errors are thrown, just nothing is happening at all.
Thanks

Interstitial ad not being loaded?

I just created a Interstitial add in my test app. Went fairly easy, but now I want to add one to my main application and I cannot seem to load it.
This is what my android launcher looks like:
../
protected void onCreate (Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
AndroidApplicationConfiguration config = new AndroidApplicationConfiguration();
initialize(new GameOfClaws(this), config);
//initialize ads...
interstitialAd = new InterstitialAd(this);
interstitialAd.setAdUnitId(getString(R.string.interstitial_ad));
//Load add
requestNewInterstitial();
interstitialAd.setAdListener(new AdListener() {
#Override
public void onAdClosed() {
super.onAdClosed();
requestNewInterstitial();
}
#Override
public void onAdLoaded()
{
Gdx.app.log(TAG, "Ad loaded!");
//interstitialAd.show();
}
});
}
private void requestNewInterstitial()
{
AdRequest adRequest = new AdRequest.Builder()
.build();
interstitialAd.loadAd(adRequest);
}
#Override
public void displayInterstitialAd() {
runOnUiThread(new Runnable() {
#Override
public void run() {
if (interstitialAd.isLoaded()) {
interstitialAd.show();
}
else
{
Gdx.app.log("MainActivity", "Add not loaded!");
}
}
});
}
/..
I simply call a interface method in the show method of my menuScreen to run the same method in the AndroidLauncher.
resolver.displayInterstitialAd();
It's basically the same as my working test app but there I load the interstitial by pressing a button.
This is my manifest:
<uses-sdk android:minSdkVersion="9" android:targetSdkVersion="22" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.GET_ACCOUNTS" />
<application
android:allowBackup="true"
android:icon="#drawable/ic_launcher"
android:label="#string/app_name"
android:theme="#style/GdxTheme" >
<meta-data android:name="com.google.android.gms.games.APP_ID"
android:value="#string/app_id" />
<meta-data android:name="com.google.android.gms.version"
android:value="#integer/google_play_services_version"/>
<activity
android:name="com.madmenyo.gameofclaws.android.AndroidLauncher"
android:label="#string/app_name"
android:screenOrientation="landscape"
android:configChanges="keyboard|keyboardHidden|orientation|screenSize">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
The only things that are different is that my test app is in portrait mode and it has been uploaded a while ago but remains as a testing app and not published. My current app has just been uploaded for testing these ads and the play store. The play store works fine. I also changed the ad ID to the correct ID I got on the Admob website.

Add the following in manifest file
<activity
android:name="com.google.android.gms.ads.AdActivity"
android:configChanges="keyboard|keyboardHidden|orientation|screenLayout|uiMode|screenSize|smallestScreenSize"
android:screenOrientation="portrait"
android:theme="#android:style/Theme.Translucent" >
</activity>

Android, Background service is not starting

I am implementing a simple application executing a background service, I am not able to start the service, following is my Manifest & Code, the service class is properly resolved ( reading resources ), inheriting from IntentService ( and implementing the req methods ) doesn't resolve the problem as-well...
Why does the Background service doesn't start?
any help will be appreciated.
Manifest:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.newcomp.vagent"
android:versionCode="1"
android:versionName="1.0"
android:permission="android.permission.RECEIVE_BOOT_COMPLETED" >
<uses-sdk
android:minSdkVersion="16"
android:targetSdkVersion="20" />
<application
android:allowBackup="true"
android:icon="#drawable/ic_launcher"
android:label="#string/app_name"
android:theme="#style/AppTheme" >
<receiver android:name="com.newcomp.Infrastructure.BootStarter" >
<intent-filter>
<action android:name="android.intent.action.BOOT_COMPLETED" />
</intent-filter>
</receiver>
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<service
android:name=".CaptureService"
android:exported="true"
android:process=":captureService" >
</service>
</application>
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.USE_CREDENTIALS" />
<uses-permission android:name="android.permission.READ_PROFILE" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
</manifest>
Service code:
package com.newcomp.vagent;
import android.app.IntentService;
import android.app.Service;
import android.content.Intent;
import android.R.*;
import android.os.IBinder;
import java.io.IOException;
import fi.iki.elonen.NanoHTTPD;
public class CaptureService extends Service {
public CaptureService() {
//super("Capture Service");
}
#Override
public int onStartCommand(Intent intent, int flags, int startId) {
return Service.START_NOT_STICKY;
}
#Override
public IBinder onBind(Intent intent) {
return null;
}
#Override
public void onCreate() {
super.onCreate();
}
}
Activity code:
package com.newcomp.vagent;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.widget.Toast;
public class MainActivity extends Activity {
#Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
final String strSvcName = getResources().getString(R.string.startup_service);
//setContentView(R.layout.main);
Toast.makeText(getBaseContext(), String.format("Hello from '%s'", strSvcName), Toast.LENGTH_LONG).show();
Class cls = null;
try {
cls = getClassLoader().loadClass(strSvcName);
startService(new Intent(this, cls));// Starts the service
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
//finish();
}
}

The problem was simple, the service was actually starting but since android:process=":captureService" was specified it was starting on a separate process, one that is not connected by the debugger, either specifcally connecting to the service process, OR, omitting android:process=":captureService" resolve the problem.

Intent using thread is not working

I know I already asked this, but I didn't get a sufficient answer. Im trying to start an activity, but the emulator stays on the first activity. Ive tried all ways to do it but it never works. The youtube videos show that it should work but it never does. Is there something missing or is there anything wrong with the following code?
//First Activity:
package com.mtprogramming.magicsquaresgame;
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.content.Intent;
public class Opening extends Activity {
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_opening);
Thread timer = new Thread(){
public void run(){
try{
sleep(5000);
} catch (InterruptedException e) {
e.printStackTrace();
}finally{
Intent open = new Intent("com.mtprogramming.magicsquaresgame.MENU");
startActivity(open);
}
}
};
timer.start();
}
#Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.opening, menu);
return true;
}
}
//Second Activity:
package com.mtprogramming.magicsquaresgame;
import android.app.Activity;
import android.os.Bundle;
//Created by suprav on 7/11/13.
public class Menu extends Activity {
public void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_menu);
}
}
//Android Manifest:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.mtprogramming.magicsquaresgame"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="7"
android:targetSdkVersion="17" />
<application
android:allowBackup="true"
android:icon="#drawable/ic_launcher"
android:label="#string/app_name"
android:theme="#style/AppTheme" >
<activity
android:name="com.mtprogramming.magicsquaresgame.Opening"
android:label="#string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name="com.mtprogramming.magicsquaresgame.Menu"
android:label="#string/title_activity_menu"
android:parentActivityName="Opening" >
<intent-filter>
<action android:name="com.mtprogramming.magicsquaresgame.MENU"/>
<category android:name="android.intent.category.DEFAULT"/>
</intent-filter>
<meta-data
android:name="android.support.PARENT_ACTIVITY"
android:value="Opening" />
</activity>
</application>
</manifest>

Try this:
Intent open = new Intent(Opening.this, Menu.class);
startActivity(open);

I think i found the issue, seems like metadata property is not being properly used, hences activity its not being started, this is the proper way to use the property:
<activity android:name=".TestActivity" >
<meta-data android:name="android.support.PARENT_ACTIVITY"
android:value=".TestParentActivity">
</meta-data>
</activity>
So, seems like you are missing a dot in "android:value="Opening"
Regards!