【移動(dòng)應(yīng)用開發(fā)技術(shù)】Android如何實(shí)現(xiàn)簡(jiǎn)單的城市列表功能

【移動(dòng)應(yīng)用開發(fā)技術(shù)】Android如何實(shí)現(xiàn)簡(jiǎn)單的城市列表功能

在下給大家分享一下Android如何實(shí)現(xiàn)簡(jiǎn)單的城市列表功能，希望大家閱讀完這篇文章之后都有所收獲，下面讓我們一起去探討吧！具體內(nèi)容如下步驟：1.在app的gradle里面添加依賴：com.github.andyoom:citypicker:v1.0.42.在項(xiàng)目的build.gradle中添加maven{url"https://jitpack.io"}開始寫代碼：xml布局：<?xml

version="1.0"

encoding="utf-8"?>

<LinearLayout

xmlns:android="/apk/res/android"

xmlns:app="/apk/res-auto"

android:orientation="vertical"

xmlns:tools="/tools"

android:layout_width="match_parent"

android:layout_height="match_parent"

tools:context="com.bwei.czx.czx.MainActivity">

<Button

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_gravity="center"

android:text="更換城市"

android:id="@+id/btn"/>

<TextView

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:gravity="center"

android:textSize="30sp"

android:id="@+id/name"/>

</LinearLayout>MainActivity代碼：package

com.bwei.czx.czx;

import

android.content.Intent;

import

android.os.Bundle;

import

android.support.v7.app.AppCompatActivity;

import

android.view.View;

import

android.widget.Button;

import

android.widget.TextView;

import

com.example.city_picker.CityListActivity;

public

class

MainActivity

extends

AppCompatActivity

{

private

TextView

tv;

@Override

protected

void

onCreate(Bundle

savedInstanceState)

{

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

Button

btn

=

(Button)

findViewById(R.id.btn);

tv

=

(TextView)

findViewById(R.);

btn.setOnClickListener(new

View.OnClickListener()

{

@Override

public

void

onClick(View

v)

{

CityListActivity.startCityActivityForResult(MainActivity.this);

}

});

}

@Override

protected

void

onActivityResult(int

requestCode,

int

resultCode,

Intent

data)

{

super.onActivityResult(requestCode,

resultCode,

data);

if(requestCode

==

101&&

resultCode

==102){

String

city

=

data.getStringExtra