问如何从java代码向Android应用程序添加图片

EN

<?xml version="1.0" encoding="UTF-8"?>
<LinearLayout
 android:layout_height="fill_parent"
 android:layout_width="fill_parent"
 android:orientation="vertical"
 xmlns:android="http://schemas.android.com/apk/res/android">
<TextView 
 android:layout_height="wrap_content"
 android:layout_width="wrap_content"
 android:layout_margin="1dp" 
 android:text="@string/overall_sales"
 android:id="@+id/pieChartView"/>
<ImageView 
 android:layout_height="fill_parent"
 android:layout_width="fill_parent" 
 android:id="@+id/pie_chart" 
 android:src="@drawable/piechartsmall"/>
</LinearLayout>

<?xml version="1.0" encoding="UTF-8"?>
<TabHost
 android:id="@android:id/tabhost" 
 xmlns:android="http://schemas.android.com/apk/res/android" 
 android:layout_height="fill_parent" 
 android:layout_width="fill_parent"> 

<ScrollView 
 xmlns:android="http://schemas.android.com/apk/res/android"    
 android:layout_height="fill_parent"
 android:layout_width="fill_parent">

<LinearLayout android:id="@+id/LinearLayout01"
 android:layout_height="wrap_content" 
 android:layout_width="fill_parent" 
 android:orientation="vertical">

<HorizontalScrollView 
 android:layout_height="wrap_content"
 android:layout_width="wrap_content" 
 android:scrollbars="none"
 android:fillViewport="true">

<TabWidget android:id="@android:id/tabs"
 android:layout_height="40dp" 
 android:layout_width="wrap_content"
 android:layout_gravity="bottom"
 android:gravity="bottom">

</TabWidget>
</HorizontalScrollView>

<FrameLayout
 android:id="@android:id/tabcontent"
 android:layout_height="fill_parent"
 android:layout_width="fill_parent">
</FrameLayout>
</LinearLayout>
</ScrollView>
</TabHost>

package com.androidpeople.tab;

import android.app.TabActivity;
import android.content.Intent;
import android.os.Bundle;
import android.widget.TabHost;
import android.widget.TabHost.TabSpec;

public class SalesExecutiveDashboard extends TabActivity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.tab);

        /* TabHost will have Tabs */
        //TabHost tabHost = (TabHost)findViewById(android.R.id.tabhost);

        TabHost tabHost=getTabHost();

        /* TabSpec used to create a new tab. 
         * By using TabSpec only we can able to setContent to the tab.
         * By using TabSpec setIndicator() we can set name to tab. */

        /* tid1 is firstTabSpec Id. Its used to access outside. */
        TabSpec HomeTabSpec = tabHost.newTabSpec("Tab1");
        TabSpec RevExpTabSpec = tabHost.newTabSpec("Tab2");
        TabSpec AccountTabSpec = tabHost.newTabSpec("Tab3");
        TabSpec DistroTabSpec = tabHost.newTabSpec("Tab4");
        TabSpec SBPTabSpec = tabHost.newTabSpec("Tab5");
        TabSpec AlertTabSpec = tabHost.newTabSpec("Tab6");

        /* TabSpec setIndicator() is used to set name for the tab. */
        /* TabSpec setContent() is used to set content for a particular tab. */
        HomeTabSpec.setIndicator("  Home  ").setContent(new Intent(this,HomeTab.class));

        RevExpTabSpec.setIndicator("  Rev/Exp  ").setContent(new Intent(this,RevExpTab.class));
        AccountTabSpec.setIndicator("  Accounts  ").setContent(new Intent(this,AccountsTab.class));
        DistroTabSpec.setIndicator("  Distribution  ").setContent(new Intent(this,DistroTab.class));
        SBPTabSpec.setIndicator("  Sales by Product  ").setContent(new Intent(this,SBPTab.class));
        AlertTabSpec.setIndicator("  Alerts  ").setContent(new Intent(this,AlertTab.class));

        /* Add tabSpec to the TabHost to display. */
        tabHost.addTab(HomeTabSpec);
        tabHost.addTab(RevExpTabSpec);
        tabHost.addTab(AccountTabSpec);
        tabHost.addTab(DistroTabSpec);
        tabHost.addTab(SBPTabSpec);
        tabHost.addTab(AlertTabSpec);

    }
}

package com.androidpeople.tab;

import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Matrix;
import android.os.Bundle;
import android.widget.ImageView;

public class HomeTab extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        /* First Tab Content */
        ImageView image = (ImageView) findViewById(R.id.pie_chart);

        //TextView textView = new TextView(this);
        //textView.setText("This is the Home Tab");
        //setContentView(textView);
        setContentView(R.layout.main);

    }
}