HelpDialog.java

package com.znv.linkup.view.dialog;

import android.app.Dialog;
import android.content.Context;
import android.text.method.LinkMovementMethod;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

import com.znv.linkup.R;

/**
 * 自定义的警告框
 * 
 * @author yzb
 * 
 */
public class HelpDialog extends Dialog {

    public HelpDialog(Context context) {
        super(context, R.style.CustomDialogStyle);
        setContentView(R.layout.help_dialog);
        setCancelable(true);
        setCanceledOnTouchOutside(true);
        setPositiveButton(null);
        TextView link = (TextView) findViewById(R.id.dialog_link);
        link.setMovementMethod(LinkMovementMethod.getInstance());
    }

    /**
     * 设置链接的显示
     * 
     * @param isVisible
     */
    public void setLinkVisible(boolean isVisible) {
        int visible = isVisible ? View.VISIBLE : View.GONE;
        findViewById(R.id.dialog_link).setVisibility(visible);
    }

    /**
     * 设置标题
     * 
     * @param title
     *            标题
     * @return 警告框实例
     */
    public HelpDialog setTitle(String title) {
        TextView tvTitle = (TextView) findViewById(R.id.dialog_title);
        tvTitle.setText(title);
        return this;
    }

    /**
     * 设置信息
     * 
     * @param msg
     *            信息
     * @return 警告框示例
     */
    public HelpDialog setMessage(String msg) {
        TextView tvMessage = (TextView) findViewById(R.id.dialog_message);
        tvMessage.setText(msg);
        return this;
    }

    /**
     * 设置确认按钮
     * 
     * @param text
     *            确认按钮文字
     * @param listener
     *            确认操作
     * @return 警告框实例
     */
    public HelpDialog setPositiveButton(final View.OnClickListener listener) {
        Button btn = (Button) findViewById(R.id.dialog_button_ok);
        btn.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {
                cancel();
                if (listener != null) {
                    listener.onClick(null);
                }
            }
        });
        return this;
    }

    // /**
    // * 处理返回键
    // */
    // @Override
    // public boolean onKeyDown(int keyCode, KeyEvent event) {
    // if (keyCode == KeyEvent.KEYCODE_BACK) {
    // Button btn = (Button) findViewById(R.id.dialog_button_ok);
    // btn.performClick();
    // return true;
    // }
    // return super.onKeyDown(keyCode, event);
    // }
}