Scrollable TabHost

Boni2k · by **Boni2k** » Mon Jan 18, 2010 10:38 am

No it doesn't happen without ProgressDialog :-)

Boni2k · by **Boni2k** » Tue Jan 26, 2010 12:00 am

Hello, me again.
I plan to release my software to the market in the next coming days. Do you have an idea how to get rid of this progressdialog behavior? :-)

Greetings!

Boni2k · by **Boni2k** » Tue Jan 26, 2010 10:06 pm

By the way, this bug is more severe than I thought: If ProgressDialog is called, it will call the onCheckChanged of ScrollableTabActivity twice which can cause several problems.

EDIT: Found a way to resolve the onCheckChanged. I now use onClickListener instead of onCheckChangedListener:

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Using java Syntax Highlighting

tabButton.setId(i);
 
tabButton.setGravity(Gravity.LEFT);
 
tabButton.setOnClickListener(new TabBarButton.OnClickListener() {
 
      public void onClick(View v) {
 
            try
 
            {
 
                  if (delegate!=null) delegate.onTabChanged(tabButton.getId());
 
            }
 
            catch (Exception e){}
 
            startGroupActivity( titleList.get(tabButton.getId()).toString(), (Intent) intentList.get(tabButton.getId()));       
 
      }
 
}); 
 
bottomRadioGroup.addView(tabButton, i, buttonLayoutParams);
 
if (tabButton.getId() == intentList.size()-1) {  //if last tab was added, activate first one
 
      startGroupActivity( titleList.get(tabButton.getId()).toString(), (Intent) intentList.get(0));
 
      bottomRadioGroup.check(0);
 
}
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This works good for me.

sebseb3 · by **sebseb3** » Mon Jul 11, 2011 11:21 am

Hi guys !

I'm kind of a noob in the android development, and I found this project that looks really awesome !
I tried to use it but I get an error when I click on the button that should send me to my screen with tabs. I changed my old TabActivity for a ScrollableTabActivity, here is my code :

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public class Creation extends ScrollableTabActivity {
        
        public void onCreate(Bundle savedInstanceState) {
 
                super.onCreate(savedInstanceState);
                setDelegate(new SliderBarActivityDelegateImpl());
                setDefaultShade(RadioStateDrawable.SHADE_GRAY, RadioStateDrawable.SHADE_GREEN);
                        
                this.addTab("Client", R.drawable.star, new Intent(this, Client.class));
                this.addTab("Construction", R.drawable.star, new Intent(this, Construction.class));
                
                commit();
                
        }
 
        }
Parsed in 0.032 seconds,  using GeSHi 1.0.8.4

and here is my button to access it :

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                        Intent intent = new Intent(this, Creation.class);
                                startActivity(intent);
                        } catch (Exception e) {
                                Log.e("Error in creation", e.getMessage());
                        }
 
Parsed in 0.033 seconds,  using GeSHi 1.0.8.4

and finally my error :

07-11 10:14:23.941: ERROR/AndroidRuntime(364): FATAL EXCEPTION: main
07-11 10:14:23.941: ERROR/AndroidRuntime(364): java.lang.NoClassDefFoundError: com.project.seven.Creation
07-11 10:14:23.941: ERROR/AndroidRuntime(364): at com.project.seven.Menu1.onClick(Menu1.java:33)
07-11 10:14:23.941: ERROR/AndroidRuntime(364): at android.view.View.performClick(View.java:2408)
07-11 10:14:23.941: ERROR/AndroidRuntime(364): at android.view.View$PerformClick.run(View.java:8816)
07-11 10:14:23.941: ERROR/AndroidRuntime(364): at android.os.Handler.handleCallback(Handler.java:587)
07-11 10:14:23.941: ERROR/AndroidRuntime(364): at android.os.Handler.dispatchMessage(Handler.java:92)
07-11 10:14:23.941: ERROR/AndroidRuntime(364): at android.os.Looper.loop(Looper.java:123)
07-11 10:14:23.941: ERROR/AndroidRuntime(364): at android.app.ActivityThread.main(ActivityThread.java:4627)
07-11 10:14:23.941: ERROR/AndroidRuntime(364): at java.lang.reflect.Method.invokeNative(Native Method)
07-11 10:14:23.941: ERROR/AndroidRuntime(364): at java.lang.reflect.Method.invoke(Method.java:521)
07-11 10:14:23.941: ERROR/AndroidRuntime(364): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
07-11 10:14:23.941: ERROR/AndroidRuntime(364): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
07-11 10:14:23.941: ERROR/AndroidRuntime(364): at dalvik.system.NativeStart.main(Native Method)

I'm really sorry but I really don't understand why it won't open it as it was working before, with my TabActivity. I only put two tabs but it should be around 15 at the end so I really need this to work. I'm working on a Galaxy Tab on android 2.2, this project is for a company and they WANT tabs.
WOuld you have an idea ? I think this class Creation stay an activity so I don't know if I should change something in the manifest...

Every advice is appreciated, thank you very much !!

Seb

Boni2k · by **Boni2k** » Mon Jul 11, 2011 11:35 am

Did you add your activity to your Android Manifest file?

sebseb3 · by **sebseb3** » Mon Jul 11, 2011 11:37 am

Thanks for your response !

My manifest contains all my activities. Here are Creation, Construction and Client :

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        <activity android:name=".Creation"
                  android:theme="@android:style/Theme.NoTitleBar.Fullscreen"
                          android:screenOrientation="landscape"
                />
                
        <activity android:name=".Client"
                  android:theme="@android:style/Theme.NoTitleBar.Fullscreen"
                          android:screenOrientation="landscape"
                />
        
        <activity android:name=".Construction"
                  android:theme="@android:style/Theme.NoTitleBar.Fullscreen"
                          android:screenOrientation="landscape"
                />
 
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When I start the application, it tells me taht it can't find the class Creation.class of my project?? I don't understand why, cause when I used the TabActivity, it was working fine....

Boni2k · by **Boni2k** » Thu Jul 14, 2011 10:54 pm

Sorry, you got me on a cold spot. No idea.

I eventually used my own implementation, which is very similiar to that one here. It consists of a FrameLayout(tabcontent) with height=0dp, a HorizontalScrollView with several RadioButtons and a TabWidget - all packed in a LinearLayout. It works better for me that way.

wiliamsmith4444 · by **wiliamsmith4444** » Sat Jul 16, 2011 5:28 pm

It looks a bit odd in the video. When you click on a button, it turns green, but momentarily turns gray again. It does not happen in the demo. Is that what you want? Or is it another bug.

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