Android Open Source - musetoolkit Main Activity

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Back to project page musetoolkit.
License

The source code is released under:
GNU General Public License
If you think the Android project musetoolkit listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.
Java Source Code

package com.github.musetoolkit;
/*w  ww . j a va2  s. co  m*/

import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.TabActivity;
import android.content.Intent;
import android.content.res.Resources;
import android.graphics.Color;
import android.graphics.Typeface;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.Window;
import android.widget.ImageView;
import android.widget.TabHost;
import android.widget.Toast;
import android.widget.TabHost.TabSpec;
import android.widget.TabWidget;
import android.widget.TextView;

public class MainActivity extends TabActivity {
  public void onCreate(Bundle savedInstanceState) { 
      super.onCreate(savedInstanceState); 
        this.requestWindowFeature(Window.FEATURE_NO_TITLE); // ??Activity??????
      setContentView(R.layout.main); 
    
      Resources res = getResources(); // Resource object to get Drawables
      TabHost tabHost = getTabHost();  // The activity TabHost
      TabHost.TabSpec spec;  // Resusable TabSpec for each tab 
      Intent intent;  // Reusable Intent for each tab  

//        tabHost = (TabHost) findViewById(R.id.tabhost);

        TabWidget tabWidget = tabHost.getTabWidget();
        tabHost.setup();
 
        LayoutInflater.from(this).inflate(R.layout.main, tabHost.getTabContentView(), true);
        tabHost.setBackgroundColor(Color.argb(150, 22, 70, 150));
        updateTab(tabHost);//????Tab??????????

        
      // Create an Intent to launch an Activity for the tab (to be reused)  
      intent = new Intent().setClass(this, SignalActivity.class);    //?????Tab??Activity???Intent
    
      // Initialize a TabSpec for each tab and add it to the TabHost  
    
      //???????????
      spec = tabHost.newTabSpec("signal").setIndicator("????", 
          res.getDrawable(R.drawable.ic_tab_signal)).setContent(intent);  //??????????
      tabHost.addTab(spec);    //???????????TabHost??
 
      // Do the same     
      intent = new Intent().setClass(this, TestActivity.class);  
    
      spec = tabHost.newTabSpec("test").setIndicator("??", 
          res.getDrawable(R.drawable.ic_tab_test)).setContent(intent);  
      tabHost.addTab(spec);  
    

      intent = new Intent().setClass(this, CalcActivity.class);  
      spec = tabHost.newTabSpec("calc").setIndicator("??", 
          res.getDrawable(R.drawable.ic_tab_calc)).setContent(intent);  
      tabHost.addTab(spec);  

      intent = new Intent().setClass(this, TheoryActivity.class);  
      spec = tabHost.newTabSpec("theory").setIndicator("????", 
          res.getDrawable(R.drawable.ic_tab_theory)).setContent(intent);  
      tabHost.addTab(spec);        

      intent = new Intent().setClass(this, MoreActivity.class);  
      spec = tabHost.newTabSpec("more").setIndicator("??", 
          res.getDrawable(R.drawable.ic_tab_more)).setContent(intent);  
      tabHost.addTab(spec);          
/*
 * ?????????????????????4848???????????????????????????
 */
      TabWidget tw = tabHost.getTabWidget();
      for (int i = 0; i < tw.getChildCount(); i++)
      {    
      TextView tv=(TextView)tw.getChildAt(i).findViewById(android.R.id.title);    
      ImageView iv=(ImageView)tw.getChildAt(i).findViewById(android.R.id.icon);    
      iv.setPadding(0, -8, 0, 0);    
      tv.setPadding(0, 0, 0, -2);    
      tv.setTextSize(12); }       
      
      
//      ???????????Tabhost????????????????????????????????????????????????

      for (int i =0; i < tabWidget.getChildCount(); i++) {  

       tabWidget.getChildAt(i).getLayoutParams().height = 120;  

       tabWidget.getChildAt(i).getLayoutParams().width = 65;

       TextView tv = (TextView) tabWidget.getChildAt(i).findViewById(android.R.id.title);

       tv.setTextSize(12);

       tv.setTextColor(this.getResources().getColorStateList(android.R.color.white));

      }        
      
//      tabHost.setCurrentTab(2);  
    
  }

  
    /**
     * ??Tab????????????
     * @param tabHost
     */ 

  private void updateTab(final TabHost tabHost) { 
        for (int i = 0; i < tabHost.getTabWidget().getChildCount(); i++) { 
            View view = tabHost.getTabWidget().getChildAt(i); 
            TextView tv = (TextView) tabHost.getTabWidget().getChildAt(i).findViewById(android.R.id.title); 
            tv.setTextSize(12); 
            tv.setTypeface(Typeface.SERIF, 2); // ???????  
            if (tabHost.getCurrentTab() == i) {//??  
                view.setBackgroundDrawable(getResources().getDrawable(R.drawable.png02));//????????  
                tv.setTextColor(this.getResources().getColorStateList( 
                        android.R.color.black)); 
            } else {//????  
                view.setBackgroundDrawable(getResources().getDrawable(R.drawable.png01));//????????  
//                view.setBackground(getResources().getDrawable(R.drawable.sine_bg));
                tv.setTextColor(this.getResources().getColorStateList( 
                        android.R.color.white)); 
            } 
        } 
    } 
  
    /** 
     * ???????????? 
     *  
     * ??? Activity ?? TabActivity ? onKeyDown ????????? dispatchKeyEvent 
     * ??? Activity ? onKeyDown ?????? 
     */
  
  //???????Back?????????????????
  //????????import???Android?
  //import android.view.KeyEvent;
  //import android.widget.Toast;
    private long exitTime = 0;    
      
    @Override  
    public boolean dispatchKeyEvent(KeyEvent event) {  
      if (event.getKeyCode() == KeyEvent.KEYCODE_BACK) {  
        if (event.getAction() == KeyEvent.ACTION_DOWN && event.getRepeatCount() == 0) {  
          this.exitApp();  
        }  
        return true;  
      }  
      return super.dispatchKeyEvent(event);  
    }  
      
    /** 
     * ????? 
     */  
    private void exitApp() {  
      // ??2???????  
      if ((System.currentTimeMillis() - exitTime) > 2000) {  
        Toast.makeText(MainActivity.this, "??????????", Toast.LENGTH_SHORT).show();  
        exitTime = System.currentTimeMillis();  
      } else {  
        finish();  
      }  
    }

}
Java Source Code List
