如何创建android的弹出式窗口？

问题描述

我需要创建一个弹出式窗口的机器人。我的要求是在第1页，我会保持一个超链接，然后当我点击，它应该打开一个弹出式窗口。我已经经历了很多教程了，想他们，但他们没有为我工作。请帮助我如何创建一个弹出窗口的android

感谢你。

解决方案

 进口android.app *。
进口android.os.Bundle;
进口android.view.Gravity;
进口android.view.View;
进口android.view.View.OnClickListener;
进口android.view.ViewGroup.LayoutParams;
进口android.widget *。

公共类ShowPopUp延伸活动{

    PopupWindow弹出;
    的LinearLayout布局;
    TextView的电视;
    的LayoutParams PARAMS;
    的LinearLayout mainLayout;
    按钮，但;
    布尔点击= TRUE;


    公共无效的onCreate（包savedInstanceState）{
        super.onCreate（savedInstanceState）;
        弹出=新PopupWindow（本）;
        布局=新的LinearLayout（本）;
        mainLayout =新的LinearLayout（本）;
        电视=新的TextView（本）;
        但是=新的按钮（这一点）;
        but.setText（点击我）;
        but.setOnClickListener（新OnClickListener（）{

            公共无效的onClick（视图v）{
                如果（点击进入）{
                    popUp.showAtLocation（mainLayout，Gravity.BOTTOM，10，10）;
                    popUp.update（50，50，300，80）;
                    点击= FALSE;
                } 其他 {
                    popUp.dismiss（）;
                    点击= TRUE;
                }
            }

        }）;
        PARAMS =新的LayoutParams（LayoutParams.WRAP_CONTENT，
                LayoutParams.WRAP_CONTENT）;
        layout.setOrientation（LinearLayout.VERTICAL）;
        tv.setText（你好，这是一个简单的文本弹出窗口）;
        layout.addView（电视，则params）;
        popUp.setContentView（布局）;
        // popUp.showAtLocation（布局，Gravity.BOTTOM，10，10）;
        mainLayout.addView（但是，PARAMS）;
        的setContentView（mainLayout）;
    }
}
 

I need to create a popup window in android. My requirement is in page 1 I will keep a hyperlink and when I click on that it should open a popup window. I have gone through many tutorials and tried them but none of them worked for me. Please help me on how to create a popup window in android.

Thank you.

解决方案

import android.app.*;
import android.os.Bundle;
import android.view.Gravity;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup.LayoutParams;
import android.widget.*;

public class ShowPopUp extends Activity {

    PopupWindow popUp;
    LinearLayout layout;
    TextView tv;
    LayoutParams params;
    LinearLayout mainLayout;
    Button but;
    boolean click = true;


    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        popUp = new PopupWindow(this);
        layout = new LinearLayout(this);
        mainLayout = new LinearLayout(this);
        tv = new TextView(this);
        but = new Button(this);
        but.setText("Click Me");
        but.setOnClickListener(new OnClickListener() {

            public void onClick(View v) {
                if (click) {
                    popUp.showAtLocation(mainLayout, Gravity.BOTTOM, 10, 10);
                    popUp.update(50, 50, 300, 80);
                    click = false;
                } else {
                    popUp.dismiss();
                    click = true;
                }
            }

        });
        params = new LayoutParams(LayoutParams.WRAP_CONTENT,
                LayoutParams.WRAP_CONTENT);
        layout.setOrientation(LinearLayout.VERTICAL);
        tv.setText("Hi this is a sample text for popup window");
        layout.addView(tv, params);
        popUp.setContentView(layout);
        // popUp.showAtLocation(layout, Gravity.BOTTOM, 10, 10);
        mainLayout.addView(but, params);
        setContentView(mainLayout);
    }
}

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