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Android SampleWebView
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<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" | |
xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" | |
android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin" | |
android:paddingRight="@dimen/activity_horizontal_margin" | |
android:paddingTop="@dimen/activity_vertical_margin" | |
android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity"> | |
<WebView | |
xmlns:android="http://schemas.android.com/apk/res/android" | |
android:id="@+id/webView" | |
android:layout_width="match_parent" | |
android:layout_height="match_parent" /> | |
</RelativeLayout> |
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<?xml version="1.0" encoding="utf-8"?> | |
<manifest xmlns:android="http://schemas.android.com/apk/res/android" | |
package="com.example.yako.samplewebview" > | |
<uses-permission android:name="android.permission.INTERNET" /> | |
<application | |
android:allowBackup="true" | |
android:icon="@mipmap/ic_launcher" | |
android:label="@string/app_name" | |
android:theme="@style/AppTheme" > | |
<activity | |
android:name=".MainActivity" | |
android:label="@string/app_name" > | |
<intent-filter> | |
<action android:name="android.intent.action.MAIN" /> | |
<category android:name="android.intent.category.LAUNCHER" /> | |
</intent-filter> | |
</activity> | |
</application> | |
</manifest> |
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<resources> | |
<!-- Default screen margins, per the Android Design guidelines. --> | |
<dimen name="activity_horizontal_margin">0dp</dimen> | |
<dimen name="activity_vertical_margin">0dp</dimen> | |
</resources> |
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package com.example.yako.samplewebview; | |
import android.support.v7.app.ActionBarActivity; | |
import android.os.Bundle; | |
import android.view.Menu; | |
import android.view.MenuItem; | |
import android.webkit.WebSettings; | |
import android.webkit.WebView; | |
import android.webkit.WebViewClient; | |
public class MainActivity extends ActionBarActivity { | |
// mWebViewをprivateに | |
private WebView mWebView; | |
// WebViewで開くURLを設定 | |
private static String top_url = "http://takeshiyako.blogspot.jp/"; | |
@Override | |
protected void onCreate(Bundle savedInstanceState) { | |
super.onCreate(savedInstanceState); | |
setContentView(R.layout.activity_main); | |
// レイアウトのリソースを利用 | |
mWebView = (WebView) findViewById(R.id.webView); | |
// WebViewClientを利用 標準のブラウザの起動を防ぐ | |
mWebView.setWebViewClient(new WebViewClient()); | |
// JavaScriptを有効 | |
WebSettings webSettings = mWebView.getSettings(); | |
webSettings.setJavaScriptEnabled(true); | |
// ユーザエージェント設定 | |
String ua = mWebView.getSettings().getUserAgentString(); | |
ua = ua + " my-android-app"; | |
mWebView.getSettings().setUserAgentString(ua); | |
// キャッシュクリア | |
mWebView.clearCache(true); | |
// 履歴をクリア | |
mWebView.clearHistory(); | |
// URL読み込み | |
mWebView.loadUrl(top_url); | |
} | |
/*** | |
* Activityの「onResume」に基づき開始される | |
*/ | |
@Override | |
public void onResume() { | |
super.onResume(); | |
mWebView.onResume(); | |
} | |
/*** | |
* Activityが「onPause」になった場合や、Fragmentが変更更新されて操作を受け付けなくなった場合に呼び出される | |
*/ | |
@Override | |
public void onPause() { | |
super.onPause(); | |
mWebView.onPause(); | |
} | |
/*** | |
* フォアグラウンドでなくなった場合に呼び出される | |
*/ | |
@Override | |
public void onStop() { | |
super.onStop(); | |
mWebView.onPause(); | |
} | |
/*** | |
* Activityが破棄される時、最後に呼び出される | |
*/ | |
@Override | |
public void onDestroy() { | |
super.onDestroy(); | |
mWebView.destroy(); | |
} | |
@Override | |
public boolean onCreateOptionsMenu(Menu menu) { | |
// Inflate the menu; this adds items to the action bar if it is present. | |
getMenuInflater().inflate(R.menu.menu_main, menu); | |
return true; | |
} | |
@Override | |
public boolean onOptionsItemSelected(MenuItem item) { | |
// Handle action bar item clicks here. The action bar will | |
// automatically handle clicks on the Home/Up button, so long | |
// as you specify a parent activity in AndroidManifest.xml. | |
int id = item.getItemId(); | |
//noinspection SimplifiableIfStatement | |
if (id == R.id.action_settings) { | |
return true; | |
} | |
return super.onOptionsItemSelected(item); | |
} | |
} |
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