#アンドロイド初心者です。端末よりあるサイトを表示し更新あれば再読み込みする簡単なプログラムです。(ソース記載は文字数制限で一部のみとなります)
#最初OS ver9で作成して正常に動作する事を確認したのですが、ver5.1対応分を作成したところUnforunalyで終了してしまいます。
xml
1<?xml version="1.0" encoding="utf-8"?> 2<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android" 3 xmlns:app="http://schemas.android.com/apk/res-auto" 4 xmlns:tools="http://schemas.android.com/tools" 5 android:layout_width="match_parent" 6 android:layout_height="match_parent" 7 tools:context=".MainActivity"> 8 9 <WebView 10 android:id="@+id/webview" 11 app:layout_constraintRight_toRightOf="parent" 12 app:layout_constraintLeft_toLeftOf="parent" 13 app:layout_constraintBottom_toBottomOf="parent" 14 app:layout_constraintTop_toTopOf="parent" 15 android:layout_width="match_parent" 16 android:layout_height="match_parent" 17 android:layout_alignParentLeft="true" 18 /> 19 20</androidx.constraintlayout.widget.ConstraintLayout> 21
xml
1<?xml version="1.0" encoding="utf-8"?> 2<manifest xmlns:android="http://schemas.android.com/apk/res/android" 3 package="com.example.theater"> 4 <uses-permission android:name="android.permission.INTERNET"/> 5 6 <application 7 android:usesCleartextTraffic="true" 8 android:allowBackup="true" 9 android:icon="@mipmap/ic_launcher" 10 android:label="@string/app_name" 11 android:roundIcon="@mipmap/ic_launcher_round" 12 android:supportsRtl="true" 13 android:theme="@style/Theme.AppCompat.Light.NoActionBar"> 14 <activity android:name=".MainActivity" 15 android:screenOrientation="landscape"> 16 <intent-filter> 17 <action android:name="android.intent.action.MAIN" /> 18 19 <category android:name="android.intent.category.LAUNCHER" /> 20 </intent-filter> 21 </activity> 22 </application> 23 24</manifest>
java
1package com.example.theater; 2 3import androidx.appcompat.app.AppCompatActivity; 4 5import android.os.Bundle; 6import android.os.Handler; 7import android.util.Log; 8import android.view.View; 9import android.webkit.CookieManager; 10import android.webkit.WebView; 11import android.webkit.WebViewClient; 12 13import java.io.BufferedReader; 14import java.io.IOException; 15import java.io.InputStream; 16import java.io.InputStreamReader; 17import java.net.HttpURLConnection; 18import java.net.URL; 19import java.text.SimpleDateFormat; 20import java.util.Locale; 21import android.os.AsyncTask; 22 23import org.json.JSONException; 24import org.json.JSONObject; 25 26public class MainActivity extends AppCompatActivity { 27 28 private Handler handler = new Handler(); 29 private WebView myWebView; 30 private int story_no = -1; 31 private int busy_flg = 0; 32 33 34 private int count, period; 35 36 @Override 37 protected void onCreate(Bundle savedInstanceState) { 38 super.onCreate(savedInstanceState); 39 setContentView(R.layout.activity_main); 40 41 String url = "http://***.***.***.***/theater/Mainmenu/view"; 42 String cookie = ""; 43 44 myWebView = (WebView)findViewById(R.id.webview); 45 myWebView.getSettings().setJavaScriptEnabled(true); 46 myWebView.getSettings().setLoadWithOverviewMode(true); 47 myWebView.getSettings().setUseWideViewPort(true); 48 myWebView.setInitialScale(1); 49 myWebView.setScrollBarStyle(View.SCROLLBARS_OUTSIDE_OVERLAY); 50 myWebView.getSettings().setSaveFormData(false); 51 52 53 CookieManager cookieManager = CookieManager.getInstance(); 54 cookieManager.setAcceptCookie(true); 55 cookieManager.setCookie(url, cookie); 56 cookieManager.setAcceptThirdPartyCookies(myWebView, true); 57 58 59 myWebView.setWebViewClient(new WebViewClient()); 60 String data = "email=***@***&password=******"; 61 myWebView.postUrl(url, data.getBytes()); 62 63 period = 4000; 64 65 handler.post(runnable); 66 } 67 68 69} 70
text
101-08 01:54:59.471 4179-4179/? E/libprocessgroup: failed to make and chown /acct/uid_10058: Read-only file system 201-08 01:54:59.726 4179-4179/? E/AndroidRuntime: FATAL EXCEPTION: main 3 Process: com.example.theater, PID: 4179 4 java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.theater/com.example.theater.MainActivity}: android.view.InflateException: Binary XML file line #9: Error inflating class android.webkit.WebView 5 at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2325) 6 at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387) 7 at android.app.ActivityThread.access$800(ActivityThread.java:151) 8 at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303) 9 at android.os.Handler.dispatchMessage(Handler.java:102) 10 at android.os.Looper.loop(Looper.java:135) 11 at android.app.ActivityThread.main(ActivityThread.java:5254) 12 at java.lang.reflect.Method.invoke(Native Method) 13 at java.lang.reflect.Method.invoke(Method.java:372) 14 at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903) 15 at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698) 16 Caused by: android.view.InflateException: Binary XML file line #9: Error inflating class android.webkit.WebView 17 at android.view.LayoutInflater.createView(LayoutInflater.java:633) 18 at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:55) 19 20
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2020/01/09 06:43
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