Android 4.x の任意のバージョンを実行しているエミュレーターで Android アプリを実行しようとすると、いくつかのエラーが発生しますが、Android 2.X の任意のバージョンでは問題なく動作します。
package com.EXCLUDED_FOR_PRIVACY.EXCLUDED_FOR_PRIVACY;
import android.app.Activity;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.TabHost;
import android.widget.TabHost.OnTabChangeListener;
import android.widget.TabHost.TabSpec;
import android.widget.ImageView;
import android.graphics.Color;
public class EXCLUDED_FOR_PRIVACY extends Activity {
public int WebView1Bool=0;
public int WebView2Bool=0;
public int WebView3Bool=0;
public int WebView4Bool=0;
private TabHost tabs;
private void setupTabHost() {
tabs = (TabHost) findViewById(R.id.my_tabhost);
tabs.setup();
}
@Override
public void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
setupTabHost();
tabs.getTabWidget().setDividerDrawable(R.drawable.tab_divider);
setupTab(new ImageView(this), 1);
setupTab(new ImageView(this), 2);
setupTab(new ImageView(this), 3);
setupTab(new ImageView(this), 4);
WebView mWebView1;
mWebView1 = (WebView) findViewById(R.id.webview1);
mWebView1.setBackgroundColor(Color.parseColor("#a3a3a3"));
mWebView1.setBackgroundColor(0);
mWebView1.getSettings().setJavaScriptEnabled(true);
mWebView1.setWebViewClient(new MobileClient());
mWebView1.loadUrl("EXCLUDED_FOR_PRIVACY");
WebView1Bool=1;
tabs.getTabWidget().getChildAt(0).setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v){
tabs.setCurrentTab(0);
if(WebView1Bool==0){
WebView mWebView1;
mWebView1 = (WebView) findViewById(R.id.webview1);
mWebView1.setBackgroundColor(Color.parseColor("#a3a3a3"));
mWebView1.setBackgroundColor(0);
mWebView1.getSettings().setJavaScriptEnabled(true);
mWebView1.setWebViewClient(new MobileClient());
mWebView1.loadUrl("EXCLUDED_FOR_PRIVACY");
WebView1Bool=1;
}
}
});
tabs.getTabWidget().getChildAt(2).setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v){
tabs.setCurrentTab(1);
if(WebView2Bool==0){
WebView mWebView2;
mWebView2 = (WebView) findViewById(R.id.webview2);
mWebView2.setBackgroundColor(Color.parseColor("#a3a3a3"));
mWebView2.setBackgroundColor(0);
mWebView2.getSettings().setJavaScriptEnabled(true);
mWebView2.setWebViewClient(new MobileClient());
mWebView2.loadUrl("EXCLUDED_FOR_PRIVACY");
WebView2Bool=1;
}
}
});
tabs.getTabWidget().getChildAt(4).setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v){
tabs.setCurrentTab(2);
if(WebView3Bool==0){
WebView mWebView3 = (WebView) findViewById(R.id.webview3);
mWebView3.setBackgroundColor(Color.parseColor("#a3a3a3"));
mWebView3.setBackgroundColor(0);
mWebView3.getSettings().setJavaScriptEnabled(true);
mWebView3.setWebViewClient(new MobileClient());
mWebView3.loadUrl("EXCLUDED_FOR_PRIVACY");
WebView3Bool=1;
}
}
});
tabs.getTabWidget().getChildAt(6).setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v){
tabs.setCurrentTab(3);
if(WebView4Bool==0){
WebView mWebView4;
mWebView4 = (WebView) findViewById(R.id.webview4);
mWebView4.setBackgroundColor(Color.parseColor("#a3a3a3"));
mWebView4.setBackgroundColor(0);
mWebView4.getSettings().setJavaScriptEnabled(true);
mWebView4.setWebViewClient(new MobileClient());
mWebView4.loadUrl("EXCLUDED_FOR_PRIVACY");
WebView4Bool=1;
}
}
});
}
private class MobileClient extends WebViewClient {
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
view.loadUrl(url);
return true;
}
}
private void setupTab(final View view, final int i) {
View createTabView_view = LayoutInflater.from(tabs.getContext()).inflate(R.layout.tabs_bg, null);
ImageView createTabView_tv = (ImageView) createTabView_view.findViewById(R.id.tabsImage);
if(i==1){
TabSpec tabSpec = tabs.newTabSpec("EXCLUDED_FOR_PRIVACY");
createTabView_tv.setImageResource(R.drawable.ic_discounts);
tabSpec.setIndicator(createTabView_view);
tabSpec.setContent(R.id.webview1);
tabs.addTab(tabSpec);
} else if(i==2){
TabSpec tabSpec = tabs.newTabSpec("EXCLUDED_FOR_PRIVACY");
createTabView_tv.setImageResource(R.drawable.ic_specials);
tabSpec.setIndicator(createTabView_view);
tabSpec.setContent(R.id.webview2);
tabs.addTab(tabSpec);
} else if(i==3){
TabSpec tabSpec = tabs.newTabSpec("EXCLUDED_FOR_PRIVACY");
createTabView_tv.setImageResource(R.drawable.ic_directory);
tabSpec.setIndicator(createTabView_view);
tabSpec.setContent(R.id.webview3);
tabs.addTab(tabSpec);
} else if(i==4){
TabSpec tabSpec = tabs.newTabSpec("EXCLUDED_FOR_PRIVACY");
createTabView_tv.setImageResource(R.drawable.ic_membership);
tabSpec.setIndicator(createTabView_view);
tabSpec.setContent(R.id.webview4);
tabs.addTab(tabSpec);
}
}
}
ここに私が見ているエラーがあります
09-24 13:11:25.329: E/Trace(1151): error opening trace file: No such file or directory (2)
09-24 13:11:25.539: D/dalvikvm(1151): GC_FOR_ALLOC freed 43K, 4% free 8316K/8583K, paused 42ms, total 45ms
09-24 13:11:25.549: I/dalvikvm-heap(1151): Grow heap (frag case) to 8.829MB for 691216-byte allocation
09-24 13:11:25.669: D/dalvikvm(1151): GC_CONCURRENT freed <1K, 4% free 8990K/9287K, paused 75ms+6ms, total 124ms
09-24 13:11:25.829: D/gralloc_goldfish(1151): Emulator without GPU emulation detected.
09-24 13:11:26.209: I/Choreographer(1151): Skipped 42 frames! The application may be doing too much work on its main thread.
09-24 13:11:26.379: I/Choreographer(1151): Skipped 44 frames! The application may be doing too much work on its main thread.
09-24 13:11:27.509: I/Choreographer(1151): Skipped 54 frames! The application may be doing too much work on its main thread.
09-24 13:11:28.319: D/AndroidRuntime(1151): Shutting down VM
09-24 13:11:28.319: W/dalvikvm(1151): threadid=1: thread exiting with uncaught exception (group=0x40a13300)
09-24 13:11:28.379: E/AndroidRuntime(1151): FATAL EXCEPTION: main
09-24 13:11:28.379: E/AndroidRuntime(1151): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.EXCLUDED.EXCLUDED/com.EXCLUDED.EXCLUDED.EXCLUDED}: java.lang.NullPointerException
09-24 13:11:28.379: E/AndroidRuntime(1151): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2059)
09-24 13:11:28.379: E/AndroidRuntime(1151): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2084)
09-24 13:11:28.379: E/AndroidRuntime(1151): at android.app.ActivityThread.access$600(ActivityThread.java:130)
09-24 13:11:28.379: E/AndroidRuntime(1151): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1195)
09-24 13:11:28.379: E/AndroidRuntime(1151): at android.os.Handler.dispatchMessage(Handler.java:99)
09-24 13:11:28.379: E/AndroidRuntime(1151): at android.os.Looper.loop(Looper.java:137)
09-24 13:11:28.379: E/AndroidRuntime(1151): at android.app.ActivityThread.main(ActivityThread.java:4745)
09-24 13:11:28.379: E/AndroidRuntime(1151): at java.lang.reflect.Method.invokeNative(Native Method)
09-24 13:11:28.379: E/AndroidRuntime(1151): at java.lang.reflect.Method.invoke(Method.java:511)
09-24 13:11:28.379: E/AndroidRuntime(1151): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)
09-24 13:11:28.379: E/AndroidRuntime(1151): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
09-24 13:11:28.379: E/AndroidRuntime(1151): at dalvik.system.NativeStart.main(Native Method)
09-24 13:11:28.379: E/AndroidRuntime(1151): Caused by: java.lang.NullPointerException
09-24 13:11:28.379: E/AndroidRuntime(1151): at com.EXCLUDED.EXCLUDED.EXCLUDED.onCreate(EXCLUDED.java:85)
09-24 13:11:28.379: E/AndroidRuntime(1151): at android.app.Activity.performCreate(Activity.java:5008)
09-24 13:11:28.379: E/AndroidRuntime(1151): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1079)
09-24 13:11:28.379: E/AndroidRuntime(1151): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2023)
09-24 13:11:28.379: E/AndroidRuntime(1151): ... 11 more
09-24 13:11:30.289: I/Process(1151): Sending signal. PID: 1151 SIG: 9
これが本当に単純なことで、Java 開発者なら誰でも知っているとしたら申し訳ありませんが、私は Java で何をしているのかほとんど知らないことを認めなければなりませんが、これを構築するために銃撃を受けています。助けてくれてありがとう。