首页 > 代码库 > 安卓学习-界面-ui-对话框
安卓学习-界面-ui-对话框
1.最简单的消息提示
Button btn=(Button)findViewById(R.id.button1); btn.setOnClickListener(new OnClickListener() { public void onClick(View v) { AlertDialog d=new AlertDialog.Builder(MainActivity.this) .setTitle("这是标题") //图标 .setIcon(R.drawable.ic_launcher) .setMessage("消息提示") .setNegativeButton("左按钮", null) .setNeutralButton("中按钮", null) .setPositiveButton("右按钮", null) .create(); d.show(); }});
2.简单列表窗口
public class MainActivity extends Activity { String[] items=new String[]{"苹果","鸭梨","桔子","香蕉"}; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Button btn=(Button)findViewById(R.id.button1); btn.setOnClickListener(new OnClickListener() { public void onClick(View v) { AlertDialog d=new AlertDialog.Builder(MainActivity.this) .setTitle("水果列表") //图标 .setIcon(R.drawable.ic_launcher) .setItems(items, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { Toast.makeText(MainActivity.this, items[which], Toast.LENGTH_SHORT).show(); } }) .setNeutralButton("我知道了", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { Toast.makeText(MainActivity.this,"我知道了", Toast.LENGTH_SHORT).show(); } }) .create(); d.show(); } }); }}
3.单选列表框
public class MainActivity extends Activity { int selIndex=0; String[] items=new String[]{"苹果","鸭梨","桔子","香蕉"}; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Button btn=(Button)findViewById(R.id.button1); btn.setOnClickListener(new OnClickListener() { public void onClick(View v) { AlertDialog d=new AlertDialog.Builder(MainActivity.this) .setTitle("请选择") //图标 .setIcon(R.drawable.ic_launcher) .setSingleChoiceItems(items, selIndex, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { selIndex=which; Toast.makeText(MainActivity.this, "你选择的是："+items[which], Toast.LENGTH_SHORT).show(); } }) .setNeutralButton("确定", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { Toast.makeText(MainActivity.this,"确定，选择的的是"+items[selIndex], Toast.LENGTH_SHORT).show(); } }) .setPositiveButton("取消", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { Toast.makeText(MainActivity.this,"取消", Toast.LENGTH_SHORT).show(); } }) .create(); d.show(); } }); }}
4.多选
public class MainActivity extends Activity { int selIndex=0; String[] items=new String[]{"苹果","鸭梨","桔子","香蕉"}; boolean[] selItems=new boolean[]{false,false,true,true}; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Button btn=(Button)findViewById(R.id.button1); btn.setOnClickListener(new OnClickListener() { public void onClick(View v) { AlertDialog d=new AlertDialog.Builder(MainActivity.this) .setTitle("请选择") //图标 .setIcon(R.drawable.ic_launcher) .setMultiChoiceItems(items,selItems, new DialogInterface.OnMultiChoiceClickListener() { public void onClick(DialogInterface dialog, int which, boolean isChecked) { if(isChecked){ Toast.makeText(MainActivity.this, "你选择了："+items[which], Toast.LENGTH_SHORT).show(); selItems[which]=isChecked; } } }) .setNeutralButton("确定", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { String str=""; for(int i=0;i<selItems.length;i++){ if(selItems[i]){ str=str+items[i]+","; } } Toast.makeText(MainActivity.this,"确定，选择的的是"+str, Toast.LENGTH_SHORT).show(); } }) .setPositiveButton("取消", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { Toast.makeText(MainActivity.this,"取消", Toast.LENGTH_SHORT).show(); } }) .create(); d.show(); } }); }}
5.
安卓学习-界面-ui-对话框
声明：以上内容来自用户投稿及互联网公开渠道收集整理发布，本网站不拥有所有权，未作人工编辑处理，也不承担相关法律责任，若内容有误或涉及侵权可进行投诉： 投诉/举报 工作人员会在5个工作日内联系你，一经查实，本站将立刻删除涉嫌侵权内容。