Android 之 对话框小结

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="fill_parent"    android:layout_height="fill_parent"	android:orientation="vertical" >    <Button        android:id="@+id/user_dialog"        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:text="自定义对话框测试" />    <Button        android:id="@+id/general_list_dialog"        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:text="普通列表对话框测试" />    <Button        android:id="@+id/multic_list_dialog"        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:text="多选列表对话框测试" />    <Button        android:id="@+id/radio_list_dialog"        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:text="单选列表对话框测试" />     <Button        android:id="@+id/adapter_list_dialog"        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:text="提供列表项的列表对话框测试" />      </LinearLayout>

/* * 对话框测试主入口 * @author Administrator * */public class DialogMainActivity extends Activity {	private RadioGroup color,size;	private RadioButton c1,c2,c3,c4,c5,s1,s2,s3,s4,s5;	private TextView textView;	private Button general,multic,radio,adapter,user;		// 初始化	public void init(){				user = (Button) findViewById(R.id.user_dialog);		general = (Button) findViewById(R.id.general_list_dialog);		multic = (Button) findViewById(R.id.multic_list_dialog);		radio = (Button) findViewById(R.id.radio_list_dialog);		adapter = (Button) findViewById(R.id.adapter_list_dialog);	}	// 程序入口	protected void onCreate(Bundle savedInstanceState) {		super.onCreate(savedInstanceState);		setContentView(R.layout.dialog_main_layout);		init(); // 初始化				user.setOnClickListener(listener);		general.setOnClickListener(listener);		multic.setOnClickListener(listener);		radio.setOnClickListener(listener);		adapter.setOnClickListener(listener);	}		/**	 * 普通列表对话框测试	 */	public void generalListDialog(){		Builder b = new Builder(this);		b.setTitle("普通列表对话框测试");		b.setIcon(R.drawable.ic_launcher);				b.setItems(new String[]{"西方","南方","北方","西北方"},new OnClickListener() {						public void onClick(DialogInterface dialog, int which) { // which 代表被点击的项								Toast.makeText(DialogMainActivity.this, "选中了："+new String[]{"西方","南方","北方","西北方"}[which],Toast.LENGTH_LONG).show();			}		});				b.create();		b.show();	}		/**	 * 单选对话框测试	 */	public void radioListDialog(){		Builder b = new AlertDialog.Builder(this);		b.setTitle("单选列表对话框测试");		b.setIcon(R.drawable.ic_launcher);		final String[] data = new String[]{"男","女","中"};		/*		 * 参数： 数据  默认选项  事件		 */		b.setSingleChoiceItems(data, 0, new OnClickListener() {						public void onClick(DialogInterface dialog, int which) {								Toast.makeText(DialogMainActivity.this, "选中了："+data[which],Toast.LENGTH_LONG).show();			}		});				// 确定		b.setPositiveButton("确定", new OnClickListener() {			public void onClick(DialogInterface dialog, int which) {							}		});				// 取消		b.setNegativeButton("取消",new OnClickListener() {						public void onClick(DialogInterface dialog, int which) {					}		});				b.create();		b.show();	}		/**	 * 创建多选列表对话框	 */	public void multicListDialog(){		Builder b = new AlertDialog.Builder(this);		b.setTitle("多选列表对话框测试");		b.setIcon(R.drawable.ic_launcher);		final String[] data = new String[]{"吃饭","冲浪","散步"};		/*		 * 参数： 数据  默认选项  事件		 */		b.setMultiChoiceItems(data, null, new OnMultiChoiceClickListener() {					public void onClick(DialogInterface dialog, int which, boolean isChecked) {								/* which 索引  - isChecked 是否被选中 */				if(isChecked){					Toast.makeText(DialogMainActivity.this, "选中了："+data[which],Toast.LENGTH_LONG).show();				}			}		});				// 确定		b.setPositiveButton("确定", new OnClickListener() {			public void onClick(DialogInterface dialog, int which) {							}		});				// 取消		b.setNegativeButton("取消",new OnClickListener() {						public void onClick(DialogInterface dialog, int which) {					}		});				b.create();		b.show();	}	/**	 * 提供列表项的对话框测试	 */	public void adapterListDialog(){		Builder b = new AlertDialog.Builder(this);		b.setTitle("提供列表对话框测试");	// 标题		b.setIcon(R.drawable.ic_launcher); // 图标			/*		 * 参数： 数据  默认选项  事件		 */					// 确定		b.setPositiveButton("确定", new OnClickListener() {			public void onClick(DialogInterface dialog, int which) {							}		});				// 取消		b.setNegativeButton("取消",new OnClickListener() {						public void onClick(DialogInterface dialog, int which) {					}		});				b.create();		b.show();	}		// 事件 -- 测试各种动作	private android.view.View.OnClickListener listener = new View.OnClickListener() {				public void onClick(View v) {			if(v.getId() == R.id.general_list_dialog){ //　普通测试				generalListDialog();				return;			}			if(v.getId() == R.id.user_dialog){ //　自定义测试				userDialog();				return;			}			if(v.getId() == R.id.radio_list_dialog){ //　单选测试				radioListDialog();				return;			}			if(v.getId() == R.id.multic_list_dialog){ //　多选测试				multicListDialog();				return;			}			if(v.getId() == R.id.adapter_list_dialog){ //　多选测试				adapterListDialog();				return;			}					}	};			/**	 * 自定义对话框测试	 */	public void userDialog(){		// 创建对话框对象		Builder builder = new Builder(this);		builder.setTitle("字体样式选择"); // 设置标题		builder.setIcon(R.drawable.ic_launcher); // 设置图标		// 确定按钮  -- 执行预期动作		builder.setPositiveButton("确定",new OnClickListener() {			public void onClick(DialogInterface dialog, int which) {				// TODO Auto-generated method stub			}		});		/*  载入自定义布局文件 -- 达成自定义的效果  */		LayoutInflater inflater = LayoutInflater.from(this); // 获取视图容器对象		// 根据视图容器获取布局对象		LinearLayout layout = (LinearLayout) inflater.inflate(R.layout.user_dialog_item,null); 		builder.setView(layout); // 将布局视图显示在对话框中		// 获取自定义布局中的组件对象		color = (RadioGroup) layout.findViewById(R.id.colorRadioGroup);		size = (RadioGroup) layout.findViewById(R.id.sizeRadioGroup);		c1 = (RadioButton) layout.findViewById(R.id.c1);		c2 = (RadioButton) layout.findViewById(R.id.c2);		c3 = (RadioButton) layout.findViewById(R.id.c3);		c4 = (RadioButton) layout.findViewById(R.id.c4);		s1 = (RadioButton) layout.findViewById(R.id.s1);		s2 = (RadioButton) layout.findViewById(R.id.s2);		s3 = (RadioButton) layout.findViewById(R.id.s3);		s4 = (RadioButton) layout.findViewById(R.id.s4);				// 设置监听器		color.setOnCheckedChangeListener(radioListener);		size.setOnCheckedChangeListener(radioListener);				/* ------------------------------------------------------------------ */		// 取消按钮，点击取消对话框		builder.setNegativeButton("取消",new OnClickListener() {			public void onClick(DialogInterface dialog, int which) {				// TODO Auto-generated method stub			}		});		builder.create(); //　 创建		builder.show(); // 显示	}	// RadioGroup 事件改变监听器	private OnCheckedChangeListener radioListener = new OnCheckedChangeListener() {		public void onCheckedChanged(RadioGroup group, int checkedId) {						if(checkedId == c1.getId()){ // 				Toast.makeText(DialogMainActivity.this,"字体颜色", 1000).show();							}			if(checkedId == s1.getId()){				Toast.makeText(DialogMainActivity.this,"字体大小", 1000).show();							}		}	};}

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:id="@+id/user_layout"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    android:gravity="center"    android:orientation="vertical"    android:padding="15dp" >    <TextView        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:gravity="center_horizontal"        android:text="请看这里" />    <LinearLayout        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:gravity="center"        android:orientation="horizontal" >        <TextView            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="颜色选择：" />        <RadioGroup            android:id="@+id/colorRadioGroup"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:orientation="horizontal" >            <RadioButton                android:id="@+id/c1"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                />            <RadioButton                android:id="@+id/c2"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                />            <RadioButton                android:id="@+id/c3"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                />            <RadioButton                android:id="@+id/c4"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                />        </RadioGroup>    </LinearLayout>    <LinearLayout        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:gravity="center"        android:orientation="horizontal" >        <TextView            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="颜色选择：" />        <RadioGroup            android:id="@+id/sizeRadioGroup"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:orientation="horizontal" >            <RadioButton                android:id="@+id/s1"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                />            <RadioButton                android:id="@+id/s2"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                />            <RadioButton                android:id="@+id/s3"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                />            <RadioButton                android:id="@+id/s4"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                />        </RadioGroup>    </LinearLayout></LinearLayout>