android自定义对话框工具类

public class CustomDialog {
	private AlertDialog.Builder builder;
	private Context context;

	public CustomDialog(Context context) {
		// TODO Auto-generated constructor stub
		this.context = context;
	}

	public void createDialog(String buttontext, String title, String message,
			final CallBack callBack) {
		builder = new AlertDialog.Builder(context);
		builder.setTitle(title);
		builder.setMessage(message);
		builder.setPositiveButton(buttontext, new OnClickListener() {
			@Override
			public void onClick(DialogInterface arg0, int arg1) {
				// TODO Auto-generated method stub
				callBack.isConfirm(true);
			}
		});
		builder.create().show();
	}

	public interface CallBack {
		public void isConfirm(boolean flag);
	}

	public void createToasts(String message,LayoutInflater layoutInflater) {
		// Toast.makeText(context, message, Toast.LENGTH_LONG).show();
         View view = layoutInflater.inflate(R.layout.toast, null);
         TextView textView = (TextView)view.findViewById(R.id.text);
         textView.setText(message);
         
         Toast toast = new Toast(context);
         toast.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
         toast.setDuration(Toast.LENGTH_LONG);
         toast.setView(view);
         toast.show();
	}
}




public class MainActivity extends Activity {

	private Button button;
	private Button button2;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		button = (Button) this.findViewById(R.id.button1);
		button2 = (Button) this.findViewById(R.id.button2);
		button.setOnClickListener(new View.OnClickListener() {
			@Override
			public void onClick(View arg0) {
				// TODO Auto-generated method stub
				CustomDialog dialog = new CustomDialog(MainActivity.this);
				dialog.createDialog("确定", "提示", "您确定要删除吗?", new CallBack() {
					@Override
					public void isConfirm(boolean flag) {
						// TODO Auto-generated method stub
						System.out.println("----->>" + flag);
						if (flag) {
							//dosomething.....判断执行业务逻辑
						}
					}
				});
			}
		});
		button2.setOnClickListener(new View.OnClickListener() {
			@Override
			public void onClick(View arg0) {
				// TODO Auto-generated method stub
                 CustomDialog dialog = new CustomDialog(MainActivity.this);
                // LayoutInflater layoutInflater = getLayoutInflater();
                 dialog.createToasts("网络有有异常!!",getLayoutInflater());
                 
			}
		});
	}

	@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;
	}

}


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