android--List View ListView (ii) simpleadapter

Simpleadapter: can display text plus picture

Activity_activitysimple.xml

<?XML version= "1.0" encoding= "Utf-8"?><LinearLayoutxmlns:android= "Http://schemas.android.com/apk/res/android"Android:layout_width= "Match_parent"Android:layout_height= "120DP"    >    <ImageViewAndroid:layout_width= "80DP"Android:layout_height= "80DP"android:src= "@drawable/anniu5"android:layout_gravity= "Center_vertical"Android:id= "@+id/iv_1"/>    <LinearLayoutAndroid:layout_width= "Match_parent"Android:layout_height= "Wrap_content"android:orientation= "vertical"android:layout_gravity= "Center_vertical"Android:layout_marginleft= "20DP"        >        <TextViewAndroid:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"Android:text= "Life is Precious"android:textsize= "20DP"Android:id= "@+id/tv_1"/>        <TextViewAndroid:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"Android:text= "Safe exit"android:textsize= "20DP"Android:id= "@+id/tv_2"/>    </LinearLayout></LinearLayout>

Activitysimple.java

 Packagecom.example.chenshuai.test321;ImportAndroid.os.Bundle;Importandroid.support.v7.app.AppCompatActivity;ImportAndroid.widget.ListView;ImportAndroid.widget.SimpleAdapter;Importjava.util.ArrayList;ImportJava.util.HashMap;Importjava.util.List;ImportJava.util.Map; Public classActivitysimpleextendsappcompatactivity {@Overrideprotected voidonCreate (Bundle savedinstancestate) {Super. OnCreate (savedinstancestate);        Setcontentview (r.layout.activity_activitysimple); ListView Simple_1=(ListView) Findviewbyid (r.id.simple_1); //preparing the data sourceList<map<string,object>> im =NewArraylist<map<string,object>>(); Map<String,Object> map =NewHashmap<string,object>(); Map.put ("Image", R.DRAWABLE.ANNIU3); Map.put ("Name", "Safe exit 1"); Map.put ("Content", "Protecting Life 1");        Im.add (map); Map=NewHashmap<string,object>(); Map.put ("Image", R.DRAWABLE.ANNIU4); Map.put ("Name", "Safe Exit 2"); Map.put ("Content", "Protecting Life 2");        Im.add (map); Map=NewHashmap<string,object>(); Map.put ("Image", R.DRAWABLE.ANNIU5); Map.put ("Name", "Safe Exit 3"); Map.put ("Content", "Protecting Life 3");        Im.add (map); Map=NewHashmap<string,object>(); Map.put ("Image", R.drawable.anniu6); Map.put ("Name", "Safe Exit 4"); Map.put ("Content", "Protecting Life 4");        Im.add (map); Map=NewHashmap<string,object>(); Map.put ("Image", R.DRAWABLE.ANNIU7); Map.put ("Name", "Safe Exit 5"); Map.put ("Content", "Protecting Life 5");        Im.add (map); Map=NewHashmap<string,object>(); Map.put ("Image", r.drawable.anniu8); Map.put ("Name", "Safe Exit 6"); Map.put ("Content", "Protecting Life 6");        Im.add (map); Map=NewHashmap<string,object>(); Map.put ("Image", R.DRAWABLE.ANNIU9); Map.put ("Name", "Safe Exit 7"); Map.put ("Content", "Protecting Life 7");        Im.add (map); Map=NewHashmap<string,object>(); Map.put ("Image", R.DRAWABLE.ANNIU10); Map.put ("Name", "Safe Exit 8"); Map.put ("Content", "Protecting Life 8");        Im.add (map); //1. An array of keys in the data sourceString str[] = {"Image", "name", "content"}; //the ID key of the face view in the 2.layout file corresponds to value        int[] Viewid ={r.id.iv_1,r.id.tv_1,r.id.tv_2}; simpleadapter simpleadapter = new simpleadapter (  This , im,r.layout.simple_layout,str,viewid);    Simple_1.setadapter (Simpleadapter); }}

android--List View ListView (ii) simpleadapter