IDE: Android studio3.1.2

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界面：

activity_main.xml

activity_main2.xml

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代碼

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AndroidMainfest.xml

<?xml version="1.0" encoding="utf-8"?> <android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"xmlns:app="http://schemas.android.com/apk/res-auto"xmlns:tools="http://schemas.android.com/tools"android:layout_width="match_parent"android:layout_height="match_parent"tools:context=".MainActivity"><LinearLayoutandroid:id="@+id/linearLayout"android:layout_width="match_parent"android:layout_height="match_parent"android:orientation="vertical"app:layout_constraintBottom_toTopOf="parent"app:layout_constraintEnd_toStartOf="parent"app:layout_constraintStart_toStartOf="parent"app:layout_constraintTop_toTopOf="parent"><TextViewandroid:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_gravity="center"android:text="@string/title_text"android:textSize="30sp" /><WebViewandroid:id="@+id/webView"android:layout_width="match_parent"android:layout_height="match_parent" /></LinearLayout></android.support.constraint.ConstraintLayout>

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activity_main.xml

<?xml version="1.0" encoding="utf-8"?> <android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"xmlns:app="http://schemas.android.com/apk/res-auto"xmlns:tools="http://schemas.android.com/tools"android:layout_width="match_parent"android:layout_height="match_parent"tools:context=".MainActivity"><LinearLayoutandroid:layout_width="match_parent"android:layout_height="wrap_content"android:gravity="center"android:orientation="vertical"><TextViewandroid:layout_width="wrap_content"android:layout_height="wrap_content"android:id="@+id/textView1"android:textSize="20sp"android:text="地區(qū)"/><RadioGroupandroid:layout_width="wrap_content"android:layout_height="wrap_content"android:id="@+id/rgSex"android:layout_weight="1"android:orientation="vertical"><RadioButtonandroid:id="@+id/radio_bj"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="北京"android:checked="true"/><RadioButtonandroid:id="@+id/radio_sh"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="上海"/></RadioGroup><Buttonandroid:id="@+id/submit"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="查詢"/></LinearLayout></android.support.constraint.ConstraintLayout>

?activity_main2.xml

<?xml version="1.0" encoding="utf-8"?> <android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"xmlns:app="http://schemas.android.com/apk/res-auto"xmlns:tools="http://schemas.android.com/tools"android:layout_width="match_parent"android:layout_height="match_parent"tools:context=".MainActivity"><LinearLayoutandroid:id="@+id/linearLayout"android:layout_width="match_parent"android:layout_height="match_parent"android:orientation="vertical"app:layout_constraintBottom_toTopOf="parent"app:layout_constraintEnd_toStartOf="parent"app:layout_constraintStart_toStartOf="parent"app:layout_constraintTop_toTopOf="parent"><TextViewandroid:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_gravity="center"android:text="@string/title_text"android:textSize="30sp" /><WebViewandroid:id="@+id/webView"android:layout_width="match_parent"android:layout_height="match_parent" /></LinearLayout></android.support.constraint.ConstraintLayout>

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MainActivity.java

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package com.example.mark.radio_weather;import android.content.Intent; import android.os.Bundle;import android.app.Activity; import android.view.View; import android.widget.Button; import android.widget.RadioButton;public class MainActivity extends Activity {private RadioButton radio_bj;private RadioButton radio_sh;private Button submit;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);//單選按鈕組radio_bj = (RadioButton)findViewById(R.id.radio_bj);radio_sh = (RadioButton)findViewById(R.id.radio_sh);findViewById(R.id.submit).setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {//監(jiān)聽器要做的事情Intent i = new Intent(MainActivity.this, Main2Activity.class);if(radio_bj.isChecked()){i.putExtra("data", "101010100");startActivity(i);}if(radio_sh.isChecked()){i.putExtra("data", "101020100");startActivity(i);}}});}}

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?MainActivity.java

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package com.example.mark.radio_weather;import android.content.Intent; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.webkit.WebChromeClient; import android.webkit.WebSettings; import android.webkit.WebView; import android.webkit.WebViewClient; import android.widget.Button; import android.widget.TextView;public class Main2Activity extends AppCompatActivity {private WebView webView;private Button sh;private Button bj;private TextView tv;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main2);Intent i = getIntent();//獲取按鈕傳遞數(shù)值String getData = i.getStringExtra("data");webView = (WebView)findViewById(R.id.webView);//獲取web組件WebSettings webSettings = webView.getSettings();webSettings.setJavaScriptEnabled(true);//設(shè)置JavaScript可用webView.setWebChromeClient(new WebChromeClient());//處理JavaScript對話框//處理各種通知和請求時(shí)間，如果不使用該句代碼，將使用內(nèi)置瀏覽器訪問網(wǎng)頁webView.setWebViewClient(new WebViewClient()); // 設(shè)置默認(rèn)顯示天氣預(yù)報(bào)信息webView.loadUrl("http://m.weather.com.cn/mweather/101010100.shtml");openUrl(getData);}private void openUrl(String id){webView.loadUrl("http://m.weather.com.cn/mweather/" + id + ".shtml");}}

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轉(zhuǎn)載于:https://www.cnblogs.com/MC-Curry/p/9264855.html

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