View Code
1 package com.example.flexd10; 2 3 import android.os.Bundle; 4 import android.app.Activity; 5 import android.util.Log; 6 import android.view.Gravity; 7 import android.view.Menu; 8 import android.view.View; 9 import android.widget.AdapterView; 10 import android.widget.AdapterView.OnItemClickListener; 11 import android.widget.AdapterView.OnItemSelectedListener; 12 import android.widget.ArrayAdapter; 13 import android.widget.LinearLayout; 14 import android.widget.LinearLayout.LayoutParams; 15 import android.widget.ListView; 16 import android.widget.TextView; 17 import android.widget.Toast; 18 19 /** 20 * 1.代码中新建LinearLayout、TextView、ListView 21 * 2.ListView事件监听 22 */ 23 public class MainActivity extends Activity { 24 25 private String[] strArray = new String[]{"A","B","C","D","E","F","G","H","I"}; 26 ListView listView1; 27 LinearLayout linearLayout1; 28 TextView tv1; 29 30 31 @Override 32 protected void onCreate(Bundle savedInstanceState) { 33 super.onCreate(savedInstanceState); 34 //setContentView(R.layout.activity_main); 35 36 //linearLayout 37 linearLayout1 = new LinearLayout(this); 38 linearLayout1.setOrientation(LinearLayout.VERTICAL); 39 linearLayout1.setBackgroundColor(android.graphics.Color.GREEN); 40 41 //对齐方式 42 LinearLayout.LayoutParams params = new LayoutParams( 43 LinearLayout.LayoutParams.MATCH_PARENT, 44 LinearLayout.LayoutParams.WRAP_CONTENT); 45 46 //TextView 47 tv1 = new TextView(this); 48 tv1.setText("Hey"); 49 tv1.setTextColor(android.graphics.Color.YELLOW); 50 //tv1.setGravity(Gravity.CENTER_HORIZONTAL); 51 tv1.setGravity(Gravity.BOTTOM); 52 //add 53 linearLayout1.addView(tv1,params); 54 55 //listView 56 listView1 = new ListView(this); 57 listView1.setBackgroundColor(android.graphics.Color.LTGRAY); 58 //add 59 linearLayout1.addView(listView1,params); 60 61 //ContentView 62 setContentView(linearLayout1); 63 64 //Adapter 65 ArrayAdapter arrayAdapter = new ArrayAdapter<String>(this, 66 android.R.layout.simple_list_item_checked, strArray);// R.layout.list_item 67 //set 68 listView1.setAdapter(arrayAdapter); 69 listView1.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE); 70 71 /** 72 * ItemClick 73 */ 74 listView1.setOnItemClickListener(new OnItemClickListener() { 75 76 @Override 77 public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, 78 long arg3) { 79 // TODO Auto-generated method stub 80 Log.i("ItemClick",strArray[arg2]); 81 tv1.setText(strArray[arg2]); 82 Toast.makeText(MainActivity.this, strArray[arg2], Toast.LENGTH_LONG).show(); 83 } 84 }); 85 86 /** 87 * ItemSelected 据说在触屏手机上没有效果的? 88 */ 89 listView1.setOnItemSelectedListener(new OnItemSelectedListener() { 90 91 @Override 92 public void onItemSelected(AdapterView<?> arg0, View arg1, 93 int arg2, long arg3) { 94 // TODO Auto-generated method stub 95 Log.i("ItemSelected",strArray[arg2]); 96 Log.i("ItemSelected",arg0.getSelectedItem().toString()); 97 tv1.setText(strArray[arg2]); 98 tv1.setText(arg0.getSelectedItem().toString()); 99 } 100 101 @Override 102 public void onNothingSelected(AdapterView<?> arg0) { 103 // TODO Auto-generated method stub 104 tv1.setText("None"); 105 } 106 }); 107 108 } 109 110 @Override 111 public boolean onCreateOptionsMenu(Menu menu) { 112 // Inflate the menu; this adds items to the action bar if it is present. 113 getMenuInflater().inflate(R.menu.activity_main, menu); 114 return true; 115 } 116 117 }