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how to open html file in widget frame

Postby sandesh » Mon Mar 10, 2008 9:27 am

can anyone guide me in opening html/javascript file using widget
sandesh
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Postby plusminus » Mon Mar 10, 2008 9:20 pm

Hello sandesh,

you should provide some more details on what you want to do.
Maybe this helps:
Syntax: [ Download ] [ Hide ]
Using java Syntax Highlighting
  1. WebView view = new WebView(something);
  2.  
  3. view.getSettings().setJavaScriptEnabled(true);
Parsed in 0.011 seconds, using GeSHi 1.0.8.4


Regards,
plusminus
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html page

Postby sandesh » Tue Mar 11, 2008 7:32 am

plusminus wrote:Hello sandesh,

you should provide some more details on what you want to do.
Maybe this helps:
Syntax: [ Download ] [ Hide ]
Using java Syntax Highlighting
  1. WebView view = new WebView(something);
  2. view.getSettings().setJavaScriptEnabled(true);
Parsed in 0.010 seconds, using GeSHi 1.0.8.4


Regards,
plusminus



thanks plusminus
i want to open
In a frame html page http://openlayers.org/viewer

Syntax: [ Download ] [ Hide ]
Using java Syntax Highlighting
  1. package org.android.frame;
  2.  
  3. import android.app.Activity;
  4. import android.graphics.Color;
  5. import android.os.Bundle;
  6. import android.view.View;
  7. import android.view.ViewGroup;
  8. import android.view.View.OnClickListener;
  9. import android.webkit.WebView;
  10. import android.widget.Button;
  11. import android.widget.FrameLayout;
  12. import android.widget.LinearLayout;
  13.  
  14. public class frame extends Activity implements OnClickListener
  15. {
  16.     private final int FP = ViewGroup.LayoutParams.FILL_PARENT;
  17.     private final int WC = ViewGroup.LayoutParams.WRAP_CONTENT;
  18.     private Button buttonText;
  19.     private Button buttonButton;
  20.     private FrameLayout frameLayout;
  21.  
  22.     @Override public void onCreate(Bundle icicle)
  23.     {
  24.         super.onCreate(icicle);
  25.  
  26.         LinearLayout linearLayout = new LinearLayout(this);
  27.         linearLayout.setOrientation(LinearLayout.VERTICAL);
  28.         setContentView(linearLayout);
  29.  
  30.  
  31.         LinearLayout btnLinearLayout = new LinearLayout(this);
  32.         btnLinearLayout.setOrientation(LinearLayout.HORIZONTAL);
  33.  
  34.         buttonText = new Button(this);
  35.         buttonText.setText("Text");
  36.         buttonText.setOnClickListener(this);
  37.  
  38.         buttonButton = new Button(this);
  39.         buttonButton.setText("Button");
  40.         buttonButton.setOnClickListener(this);
  41.  
  42.         btnLinearLayout.addView(buttonText, createParam(WC, WC));
  43.         btnLinearLayout.addView(buttonButton, createParam(WC, WC));
  44.  
  45.         frameLayout = new FrameLayout(this);
  46.         frameLayout.setBackgroundColor(Color.WHITE);
  47.  
  48.         linearLayout.addView(btnLinearLayout, createParam(FP, WC));
  49.         linearLayout.addView(frameLayout, createParam(200, 100));
  50.     }
  51.  
  52.     private LinearLayout.LayoutParams createParam(int w, int h){
  53.         return new LinearLayout.LayoutParams(w, h);
  54.     }
  55.  
  56.     private ViewGroup.LayoutParams createViewGroupParam(int w, int h){
  57.         return new ViewGroup.LayoutParams(w, h);
  58.     }
  59.  
  60.     public void onClick(View v) {
  61.         if (v == buttonText){
  62.                 WebView view = new WebView(this);
  63.                 view.getSettings().setJavaScriptEnabled(true);
  64.                 view.loadData("http://openlayers.org/viewer/", "text/html", "utf-8");
  65.            // TextView text = new TextView(this);
  66.           //  text.setText("");
  67.           // text.setTextColor(Color.RED);
  68.          //   frameLayout.addView(view, createViewGroupParam(WC, WC));
  69.         }else if (v == buttonButton){
  70.             Button button = new Button(this);
  71.             button.setText("Button");
  72.             frameLayout.addView(button, createViewGroupParam(WC, WC));
  73.            
  74.         }
  75.     }
  76. }
Parsed in 0.015 seconds, using GeSHi 1.0.8.4
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Postby plusminus » Tue Mar 11, 2008 9:48 am

Hello sandesh,

you are probably looking for [font=Lucida Console].loadUrl(String url);[/font]

Let us know whether you get it displayed.

Regards,
plusminus
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html page

Postby sandesh » Tue Mar 11, 2008 12:28 pm

plusminus wrote:Hello sandesh,

you are probably looking for [font=Lucida Console].loadUrl(String url);[/font]

Let us know whether you get it displayed.

Regards,
plusminus


hello plusminus i m getting NullPointerException error

Syntax: [ Download ] [ Hide ]
Using java Syntax Highlighting
  1. public void onClick(View v) {
  2.         if (v == buttonText){
  3.           WebView view = new WebView(this);
  4.           view.getSettings().setJavaScriptEnabled(true);
  5.           view.loadUrl("http://openlayers.org/viewer/");
  6.            // TextView text = new TextView(this);
  7.           //  text.setText("");
  8.           // text.setTextColor(Color.RED);
  9.          //   frameLayout.addView(view, createViewGroupParam(WC, WC));
  10.         }else if (v == buttonButton){
  11.             Button button = new Button(this);
  12.             button.setText("Button");
  13.             frameLayout.addView(button, createViewGroupParam(WC, WC));
  14.            
  15.         }
  16.     }
  17. }
Parsed in 0.011 seconds, using GeSHi 1.0.8.4
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Re: html page

Postby plusminus » Tue Mar 11, 2008 3:03 pm

Hello sandesh,

sandesh wrote:hello plusminus i m getting NullPointerException error

my telepathic helping-skills are on holidays currently.

So where is the NPE thrown :?:

Regards,
plusminus
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Re: html page

Postby sandesh » Wed Mar 12, 2008 6:47 am

plusminus wrote:Hello sandesh,

sandesh wrote:hello plusminus i m getting NullPointerException error

my telepathic helping-skills are on holidays currently.

So where is the NPE thrown :?:

Regards,
plusminus



NullPointerException-- linearLayout.addView(webview, createParam(wc, wc));

Syntax: [ Download ] [ Hide ]
Using java Syntax Highlighting
  1. package org.android.frame;
  2.  
  3.  
  4. import java.net.URL;
  5.  
  6. import android.app.Activity;
  7. import android.graphics.Color;
  8. import android.net.Uri;
  9. import android.os.Bundle;
  10. import android.view.View;
  11. import android.view.ViewGroup;
  12. import android.view.View.OnClickListener;
  13. import android.webkit.WebView;
  14. import android.widget.Button;
  15. import android.widget.FrameLayout;
  16. import android.widget.LinearLayout;
  17. //import android.widget.TextView;
  18.  
  19. public class frame extends Activity implements OnClickListener
  20. {
  21.     private final int FP = ViewGroup.LayoutParams.FILL_PARENT;
  22.     private final int WC = ViewGroup.LayoutParams.WRAP_CONTENT;
  23.     private Button buttonText;
  24.     private Button buttonButton;
  25.     private FrameLayout frameLayout;
  26.     private WebView webview;
  27.  
  28.    
  29.     @Override public void onCreate(Bundle icicle)
  30.     {
  31.         super.onCreate(icicle);
  32.  
  33.         LinearLayout linearLayout = new LinearLayout(this);
  34.         linearLayout.setOrientation(LinearLayout.VERTICAL);
  35.         setContentView(linearLayout);
  36.  
  37.  
  38.         LinearLayout btnLinearLayout = new LinearLayout(this);
  39.         btnLinearLayout.setOrientation(LinearLayout.HORIZONTAL);
  40.  
  41.         buttonText = new Button(this);
  42.         buttonText.setText("Text");
  43.         buttonText.setOnClickListener(this);
  44.  
  45.         buttonButton = new Button(this);
  46.         buttonButton.setText("Button");
  47.         buttonButton.setOnClickListener(this);
  48.  
  49.         btnLinearLayout.addView(buttonText, createParam(WC, WC));
  50.         btnLinearLayout.addView(buttonButton, createParam(WC, WC));
  51.  
  52.         frameLayout = new FrameLayout(this);
  53.         frameLayout.setBackgroundColor(Color.WHITE);
  54.        
  55.        
  56.        
  57.         linearLayout.addView(btnLinearLayout, createParam(FP, WC));
  58.         linearLayout.addView(frameLayout,createParam(400, 200));
  59.         linearLayout.addView(webview, createParam(wc, wc));
  60.        
  61.     }
  62.  
  63.     private LinearLayout.LayoutParams createParam(int w, int h){
  64.         return new LinearLayout.LayoutParams(w, h);
  65.     }
  66.  
  67.     private ViewGroup.LayoutParams createViewGroupParam(int w, int h){
  68.         return new ViewGroup.LayoutParams(w, h);
  69.     }
  70.  
  71.     public void onClick(View v) {
  72.        if (v == buttonText){
  73.            
  74.         webview = new WebView(this);
  75.         webview.loadUrl("http://openlayers.org/viewer/");
  76.         setContentView(webview);
  77.        
  78.        //       TextView text = new TextView(this);
  79.          //   text.setText("this is text");
  80.            //text.setTextColor(Color.RED);
  81.            frameLayout.addView(webview, createViewGroupParam(WC, WC));
  82.         }else if (v == buttonButton){
  83.             Button button = new Button(this);
  84.             button.setText("Button");
  85.             frameLayout.addView(button, createViewGroupParam(WC, WC));
  86.            
  87.         }
  88.     }
  89. }
Parsed in 0.015 seconds, using GeSHi 1.0.8.4
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Postby plusminus » Wed Mar 12, 2008 7:20 pm

Hello sandesh,

[font=Lucida Console]onCreate(...)[/font] is the very first method of your Activity, being called and in that function you cannot call this line:
Syntax: [ Download ] [ Hide ]
Using java Syntax Highlighting
  1. linearLayout.addView(webview, createParam(wc, wc));
Parsed in 0.010 seconds, using GeSHi 1.0.8.4
because webView is still null :!:

You initialize it only in [font=Lucida Console]onClick(...)[/font].

Regards,
plusminus
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