android几个常用对话框的弹出

墨蓝 2022-08-12 03:59 190阅读 0赞

public class MainActivity extends Activity implements OnClickListener\{  
  
  
private Button tan\_dialog ,singleDialog,mutlDialog,progressDialog ;  
String\[\] strings = \{"条目1","条目2","条目3","条目4"\} ;  
boolean\[\] booleans = \{false , false , false ,false ,false\} ;  
@Override  
protected void onCreate(Bundle savedInstanceState) \{  
super.onCreate(savedInstanceState);  
setContentView(R.layout.activity\_main);  
tan\_dialog = (Button) findViewById(R.id.tan\_dialog) ;  
singleDialog = (Button) findViewById(R.id.singleDialog) ;  
mutlDialog = (Button) findViewById(R.id.mutlDialog) ;  
progressDialog = (Button) findViewById(R.id.progressDialog) ;  
tan\_dialog.setOnClickListener(this) ;  
singleDialog.setOnClickListener(this) ;  
mutlDialog.setOnClickListener(this) ;  
progressDialog.setOnClickListener(this) ;  
\}  
@Override  
public boolean onCreateOptionsMenu(Menu menu) \{  
// Inflate the menu; this adds items to the action bar if it is present.  
getMenuInflater().inflate(R.menu.main, menu);  
return true;  
\}  
@Override  
public void onClick(View v) \{  
switch (v.getId()) \{  
case R.id.tan\_dialog:  
AlertDialog.Builder alertDialog = new AlertDialog.Builder(MainActivity.this) ;  
alertDialog.setTitle("这是一个弹出对话框")  
.setMessage("弹出对话框")  
.setPositiveButton("确定", new DialogInterface.OnClickListener() \{  
@Override  
public void onClick(DialogInterface dialog, int which) \{  
\}  
\})  
.setNegativeButton("取消", new DialogInterface.OnClickListener() \{  
  
@Override  
public void onClick(DialogInterface dialog, int which) \{  
  
\}  
\})  
.show() ;  
break;  
case R.id.singleDialog:  
new AlertDialog.Builder(MainActivity.this)  
.setTitle("单选对话框")  
.setSingleChoiceItems(strings, -1, new DialogInterface.OnClickListener() \{  
@Override  
public void onClick(DialogInterface dialog, int which) \{  
Toast.makeText(MainActivity.this, "你选择的是"+which, Toast.LENGTH\_SHORT).show() ;  
\}  
\})  
.setPositiveButton("确定", new DialogInterface.OnClickListener() \{  
  
@Override  
public void onClick(DialogInterface dialog, int which) \{  
// TODO Auto-generated method stub  
  
\}  
\})  
.show() ;  
break ;  
case R.id.mutlDialog:  
new AlertDialog.Builder(MainActivity.this)  
.setTitle("多选对话框")  
.setMessage("这是一个多选对话框")  
.setMultiChoiceItems(strings, booleans, new OnMultiChoiceClickListener()\{  
@Override  
public void onClick(DialogInterface dialog, int which,boolean isChecked) \{  
Toast.makeText(MainActivity.this,  
"对话框被选中了"+strings\[which\]+isChecked, Toast.LENGTH\_SHORT).show() ;  
\}  
\})  
.show() ;  
  
break ;  
case R.id.progressDialog:  
final ProgressDialog progressDialog = new ProgressDialog(MainActivity.this) ;  
progressDialog.setTitle("进度条对话陆昂");  
progressDialog.setMessage("正在加载中") ;  
progressDialog.setMax(100) ;  
  
progressDialog.show() ;  
new Thread()\{  
public void run() \{  
for(int i=0 ; i < 100 ; i++)\{  
progressDialog.setProgress(i) ;  
try \{  
Thread.sleep(200) ; // 睡眠20us  
\} catch (InterruptedException e) \{  
// TODO Auto-generated catch block  
e.printStackTrace();  
\}  
\}  
progressDialog.dismiss() ;  
\}  
\}.start() ;  
break ;  
  
  
default:  
break;  
\}  
\}  
  
  
\}