まず、私は初心者です。私はおそらく AsyncTask を適切に処理していませんが、それが私がここにいる理由です!
JSON データから値を取得、解析、および表示するアクティビティを作成しようとしています。今のところ Twitter をプレースホルダーとして使用していますが、Youtube の GData を使用するつもりです。私は Android の JSON ライブラリ、または Async Task についてあまり知らないので、最初に問題を探した場所です。自分では見つけられませんでした。
注: マニフェストにインターネット アクセス許可があります。
これは活動のための私のクラスです。
public class MainActivity extends ListActivity {
List<String> videos;
@Override
protected void onCreate(Bundle savedInstanceState) {
videos = new ArrayList<String>();
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
new LoadVideos().execute("http://twitter.com/statuses/user_timeline/zacpac2020.json");
}
private class LoadVideos extends AsyncTask<String, Integer, String> {
@Override
protected String doInBackground(String... params) {
final ListView listview = (ListView) findViewById(R.id.listview);
StringBuilder builder = new StringBuilder();
HttpClient client = new DefaultHttpClient();
HttpGet httpGet = new HttpGet(params[0]);
try {
HttpResponse response = client.execute(httpGet);
StatusLine statusLine = response.getStatusLine();
int statusCode = statusLine.getStatusCode();
if (statusCode == 200) {
HttpEntity entity = response.getEntity();
InputStream content = entity.getContent();
BufferedReader reader = new BufferedReader(new InputStreamReader(content));
String line;
while ((line = reader.readLine()) != null) {
builder.append(line);
}
} else {
Log.e("JSON Parsing", "Failed to download the JSON file.");
System.err.println("Failed to download JSON file.");
}
} catch (ClientProtocolException e) {
e.printStackTrace();
System.err.println("ClientProtocolException in LoadVideos");
} catch (IOException e) {
e.printStackTrace();
System.err.println("ClientProtocolException in LoadVideos");
}
String data = builder.toString();
try {
JSONArray jsonArray = new JSONArray(data);
Log.i("Parse JSON",
"Number of entries: " + jsonArray.length());
for (int i = 0; i < jsonArray.length(); i++) {
JSONObject jsonObject = jsonArray.getJSONObject(i);
videos.add(jsonObject.toString());
}
} catch(Exception e) {
e.printStackTrace();
}
final ArrayAdapter<String> arrayAdapter =
new ArrayAdapter<String>(MainActivity.this,android.R.layout.simple_list_item_1, videos);
listview.setAdapter(arrayAdapter);
return "All Done!";
}
}
}
LogCat 出力
この出力は、以前の実行からのものである可能性があることに注意してください。
05-05 18:29:10.192: D/dalvikvm(11237): Debugger has detached; object registry had 1 entries
05-05 20:25:26.066: D/AndroidRuntime(15976): Shutting down VM
05-05 20:25:26.066: W/dalvikvm(15976): threadid=1: thread exiting with uncaught exception (group=0x41640930)
05-05 20:25:26.073: E/AndroidRuntime(15976): FATAL EXCEPTION: main
05-05 20:25:26.073: E/AndroidRuntime(15976): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.aer.biblealive/com.aer.biblealive.MainActivity}: android.os.NetworkOnMainThreadException
05-05 20:25:26.073: E/AndroidRuntime(15976): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2308)
05-05 20:25:26.073: E/AndroidRuntime(15976): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2358)
05-05 20:25:26.073: E/AndroidRuntime(15976): at android.app.ActivityThread.access$600(ActivityThread.java:154)
05-05 20:25:26.073: E/AndroidRuntime(15976): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1248)
05-05 20:25:26.073: E/AndroidRuntime(15976): at android.os.Handler.dispatchMessage(Handler.java:99)
05-05 20:25:26.073: E/AndroidRuntime(15976): at android.os.Looper.loop(Looper.java:137)
05-05 20:25:26.073: E/AndroidRuntime(15976): at android.app.ActivityThread.main(ActivityThread.java:5235)
05-05 20:25:26.073: E/AndroidRuntime(15976): at java.lang.reflect.Method.invokeNative(Native Method)
05-05 20:25:26.073: E/AndroidRuntime(15976): at java.lang.reflect.Method.invoke(Method.java:511)
05-05 20:25:26.073: E/AndroidRuntime(15976): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:795)
05-05 20:25:26.073: E/AndroidRuntime(15976): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:562)
05-05 20:25:26.073: E/AndroidRuntime(15976): at dalvik.system.NativeStart.main(Native Method)
05-05 20:25:26.073: E/AndroidRuntime(15976): Caused by: android.os.NetworkOnMainThreadException
05-05 20:25:26.073: E/AndroidRuntime(15976): at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1117)
05-05 20:25:26.073: E/AndroidRuntime(15976): at java.net.InetAddress.lookupHostByName(InetAddress.java:385)
05-05 20:25:26.073: E/AndroidRuntime(15976): at java.net.InetAddress.getAllByNameImpl(InetAddress.java:236)
05-05 20:25:26.073: E/AndroidRuntime(15976): at java.net.InetAddress.getAllByName(InetAddress.java:214)
05-05 20:25:26.073: E/AndroidRuntime(15976): at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:137)
05-05 20:25:26.073: E/AndroidRuntime(15976): at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:164)
05-05 20:25:26.073: E/AndroidRuntime(15976): at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:119)
05-05 20:25:26.073: E/AndroidRuntime(15976): at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:360)
05-05 20:25:26.073: E/AndroidRuntime(15976): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:555)
05-05 20:25:26.073: E/AndroidRuntime(15976): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:487)
05-05 20:25:26.073: E/AndroidRuntime(15976): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:465)
05-05 20:25:26.073: E/AndroidRuntime(15976): at com.aer.biblealive.MainActivity.onCreate(MainActivity.java:45)
05-05 20:25:26.073: E/AndroidRuntime(15976): at android.app.Activity.performCreate(Activity.java:5104)
05-05 20:25:26.073: E/AndroidRuntime(15976): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1080)
05-05 20:25:26.073: E/AndroidRuntime(15976): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2262)
05-05 20:25:26.073: E/AndroidRuntime(15976): ... 11 more
05-05 20:26:56.433: D/AndroidRuntime(16674): Shutting down VM
05-05 20:26:56.433: W/dalvikvm(16674): threadid=1: thread exiting with uncaught exception (group=0x41640930)
05-05 20:26:56.433: E/AndroidRuntime(16674): FATAL EXCEPTION: main
05-05 20:26:56.433: E/AndroidRuntime(16674): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.aer.biblealive/com.aer.biblealive.MainActivity}: android.os.NetworkOnMainThreadException
05-05 20:26:56.433: E/AndroidRuntime(16674): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2308)
05-05 20:26:56.433: E/AndroidRuntime(16674): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2358)
05-05 20:26:56.433: E/AndroidRuntime(16674): at android.app.ActivityThread.access$600(ActivityThread.java:154)
05-05 20:26:56.433: E/AndroidRuntime(16674): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1248)
05-05 20:26:56.433: E/AndroidRuntime(16674): at android.os.Handler.dispatchMessage(Handler.java:99)
05-05 20:26:56.433: E/AndroidRuntime(16674): at android.os.Looper.loop(Looper.java:137)
05-05 20:26:56.433: E/AndroidRuntime(16674): at android.app.ActivityThread.main(ActivityThread.java:5235)
05-05 20:26:56.433: E/AndroidRuntime(16674): at java.lang.reflect.Method.invokeNative(Native Method)
05-05 20:26:56.433: E/AndroidRuntime(16674): at java.lang.reflect.Method.invoke(Method.java:511)
05-05 20:26:56.433: E/AndroidRuntime(16674): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:795)
05-05 20:26:56.433: E/AndroidRuntime(16674): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:562)
05-05 20:26:56.433: E/AndroidRuntime(16674): at dalvik.system.NativeStart.main(Native Method)
05-05 20:26:56.433: E/AndroidRuntime(16674): Caused by: android.os.NetworkOnMainThreadException
05-05 20:26:56.433: E/AndroidRuntime(16674): at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1117)
05-05 20:26:56.433: E/AndroidRuntime(16674): at java.net.InetAddress.lookupHostByName(InetAddress.java:385)
05-05 20:26:56.433: E/AndroidRuntime(16674): at java.net.InetAddress.getAllByNameImpl(InetAddress.java:236)
05-05 20:26:56.433: E/AndroidRuntime(16674): at java.net.InetAddress.getAllByName(InetAddress.java:214)
05-05 20:26:56.433: E/AndroidRuntime(16674): at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:137)
05-05 20:26:56.433: E/AndroidRuntime(16674): at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:164)
05-05 20:26:56.433: E/AndroidRuntime(16674): at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:119)
05-05 20:26:56.433: E/AndroidRuntime(16674): at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:360)
05-05 20:26:56.433: E/AndroidRuntime(16674): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:555)
05-05 20:26:56.433: E/AndroidRuntime(16674): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:487)
05-05 20:26:56.433: E/AndroidRuntime(16674): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:465)
05-05 20:26:56.433: E/AndroidRuntime(16674): at com.aer.biblealive.MainActivity.onCreate(MainActivity.java:45)
05-05 20:26:56.433: E/AndroidRuntime(16674): at android.app.Activity.performCreate(Activity.java:5104)
05-05 20:26:56.433: E/AndroidRuntime(16674): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1080)
05-05 20:26:56.433: E/AndroidRuntime(16674): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2262)
05-05 20:26:56.433: E/AndroidRuntime(16674): ... 11 more
05-05 20:43:01.972: D/AndroidRuntime(17355): Shutting down VM
05-05 20:43:01.972: W/dalvikvm(17355): threadid=1: thread exiting with uncaught exception (group=0x41640930)
05-05 20:43:01.995: E/AndroidRuntime(17355): FATAL EXCEPTION: main
05-05 20:43:01.995: E/AndroidRuntime(17355): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.aer.biblealive/com.aer.biblealive.MainActivity}: android.os.NetworkOnMainThreadException
05-05 20:43:01.995: E/AndroidRuntime(17355): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2308)
05-05 20:43:01.995: E/AndroidRuntime(17355): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2358)
05-05 20:43:01.995: E/AndroidRuntime(17355): at android.app.ActivityThread.access$600(ActivityThread.java:154)
05-05 20:43:01.995: E/AndroidRuntime(17355): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1248)
05-05 20:43:01.995: E/AndroidRuntime(17355): at android.os.Handler.dispatchMessage(Handler.java:99)
05-05 20:43:01.995: E/AndroidRuntime(17355): at android.os.Looper.loop(Looper.java:137)
05-05 20:43:01.995: E/AndroidRuntime(17355): at android.app.ActivityThread.main(ActivityThread.java:5235)
05-05 20:43:01.995: E/AndroidRuntime(17355): at java.lang.reflect.Method.invokeNative(Native Method)
05-05 20:43:01.995: E/AndroidRuntime(17355): at java.lang.reflect.Method.invoke(Method.java:511)
05-05 20:43:01.995: E/AndroidRuntime(17355): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:795)
05-05 20:43:01.995: E/AndroidRuntime(17355): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:562)
05-05 20:43:01.995: E/AndroidRuntime(17355): at dalvik.system.NativeStart.main(Native Method)
05-05 20:43:01.995: E/AndroidRuntime(17355): Caused by: android.os.NetworkOnMainThreadException
05-05 20:43:01.995: E/AndroidRuntime(17355): at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1117)
05-05 20:43:01.995: E/AndroidRuntime(17355): at java.net.InetAddress.lookupHostByName(InetAddress.java:385)
05-05 20:43:01.995: E/AndroidRuntime(17355): at java.net.InetAddress.getAllByNameImpl(InetAddress.java:236)
05-05 20:43:01.995: E/AndroidRuntime(17355): at java.net.InetAddress.getAllByName(InetAddress.java:214)
05-05 20:43:01.995: E/AndroidRuntime(17355): at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:137)
05-05 20:43:01.995: E/AndroidRuntime(17355): at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:164)
05-05 20:43:01.995: E/AndroidRuntime(17355): at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:119)
05-05 20:43:01.995: E/AndroidRuntime(17355): at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:360)
05-05 20:43:01.995: E/AndroidRuntime(17355): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:555)
05-05 20:43:01.995: E/AndroidRuntime(17355): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:487)
05-05 20:43:01.995: E/AndroidRuntime(17355): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:465)
05-05 20:43:01.995: E/AndroidRuntime(17355): at com.aer.biblealive.MainActivity$1.run(MainActivity.java:50)
05-05 20:43:01.995: E/AndroidRuntime(17355): at java.lang.Thread.run(Thread.java:856)
05-05 20:43:01.995: E/AndroidRuntime(17355): at com.aer.biblealive.MainActivity.onCreate(MainActivity.java:83)
05-05 20:43:01.995: E/AndroidRuntime(17355): at android.app.Activity.performCreate(Activity.java:5104)
05-05 20:43:01.995: E/AndroidRuntime(17355): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1080)
05-05 20:43:01.995: E/AndroidRuntime(17355): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2262)
05-05 20:43:01.995: E/AndroidRuntime(17355): ... 11 more
05-05 21:02:50.448: D/AndroidRuntime(18004): Shutting down VM
05-05 21:02:50.448: W/dalvikvm(18004): threadid=1: thread exiting with uncaught exception (group=0x41640930)
05-05 21:02:50.448: E/AndroidRuntime(18004): FATAL EXCEPTION: main
05-05 21:02:50.448: E/AndroidRuntime(18004): android.app.SuperNotCalledException: Activity {com.aer.biblealive/com.aer.biblealive.MainActivity} did not call through to super.onCreate()
05-05 21:02:50.448: E/AndroidRuntime(18004): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2264)
05-05 21:02:50.448: E/AndroidRuntime(18004): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2358)
05-05 21:02:50.448: E/AndroidRuntime(18004): at android.app.ActivityThread.access$600(ActivityThread.java:154)
05-05 21:02:50.448: E/AndroidRuntime(18004): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1248)
05-05 21:02:50.448: E/AndroidRuntime(18004): at android.os.Handler.dispatchMessage(Handler.java:99)
05-05 21:02:50.448: E/AndroidRuntime(18004): at android.os.Looper.loop(Looper.java:137)
05-05 21:02:50.448: E/AndroidRuntime(18004): at android.app.ActivityThread.main(ActivityThread.java:5235)
05-05 21:02:50.448: E/AndroidRuntime(18004): at java.lang.reflect.Method.invokeNative(Native Method)
05-05 21:02:50.448: E/AndroidRuntime(18004): at java.lang.reflect.Method.invoke(Method.java:511)
05-05 21:02:50.448: E/AndroidRuntime(18004): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:795)
05-05 21:02:50.448: E/AndroidRuntime(18004): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:562)
05-05 21:02:50.448: E/AndroidRuntime(18004): at dalvik.system.NativeStart.main(Native Method)
05-05 21:06:36.831: D/libEGL(18374): loaded /vendor/lib/egl/libEGL_POWERVR_SGX540_120.so
05-05 21:06:36.870: D/libEGL(18374): loaded /vendor/lib/egl/libGLESv1_CM_POWERVR_SGX540_120.so
05-05 21:06:36.878: D/libEGL(18374): loaded /vendor/lib/egl/libGLESv2_POWERVR_SGX540_120.so
05-05 21:06:37.542: D/OpenGLRenderer(18374): Enabling debug mode 0
05-05 21:06:37.558: I/Choreographer(18374): Skipped 54 frames! The application may be doing too much work on its main thread.
05-05 21:16:18.816: D/libEGL(18958): loaded /vendor/lib/egl/libEGL_POWERVR_SGX540_120.so
05-05 21:16:18.855: D/libEGL(18958): loaded /vendor/lib/egl/libGLESv1_CM_POWERVR_SGX540_120.so
05-05 21:16:18.855: D/libEGL(18958): loaded /vendor/lib/egl/libGLESv2_POWERVR_SGX540_120.so
05-05 21:16:19.300: D/OpenGLRenderer(18958): Enabling debug mode 0
05-05 21:16:19.300: I/Choreographer(18958): Skipped 38 frames! The application may be doing too much work on its main thread.
05-05 21:16:20.487: E/JSON Parsing(18958): Failed to download the JSON file.
05-05 21:16:20.503: W/System.err(18958): org.json.JSONException: End of input at character 0 of
05-05 21:16:20.527: W/System.err(18958): at org.json.JSONTokener.syntaxError(JSONTokener.java:450)
05-05 21:16:20.527: W/System.err(18958): at org.json.JSONTokener.nextValue(JSONTokener.java:97)
05-05 21:16:20.527: W/System.err(18958): at org.json.JSONArray.<init>(JSONArray.java:87)
05-05 21:16:20.534: W/System.err(18958): at org.json.JSONArray.<init>(JSONArray.java:103)
05-05 21:16:20.534: W/System.err(18958): at com.aer.biblealive.MainActivity$LoadVideos.doInBackground(MainActivity.java:145)
05-05 21:16:20.534: W/System.err(18958): at com.aer.biblealive.MainActivity$LoadVideos.doInBackground(MainActivity.java:1)
05-05 21:16:20.534: W/System.err(18958): at android.os.AsyncTask$2.call(AsyncTask.java:287)
05-05 21:16:20.534: W/System.err(18958): at java.util.concurrent.FutureTask.run(FutureTask.java:234)
05-05 21:16:20.534: W/System.err(18958): at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230)
05-05 21:16:20.534: W/System.err(18958): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080)
05-05 21:16:20.534: W/System.err(18958): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573)
05-05 21:16:20.534: W/System.err(18958): at java.lang.Thread.run(Thread.java:856)
05-05 21:16:20.534: W/dalvikvm(18958): threadid=11: thread exiting with uncaught exception (group=0x41640930)
05-05 21:16:20.534: E/AndroidRuntime(18958): FATAL EXCEPTION: AsyncTask #1
05-05 21:16:20.534: E/AndroidRuntime(18958): java.lang.RuntimeException: An error occured while executing doInBackground()
05-05 21:16:20.534: E/AndroidRuntime(18958): at android.os.AsyncTask$3.done(AsyncTask.java:299)
05-05 21:16:20.534: E/AndroidRuntime(18958): at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:352)
05-05 21:16:20.534: E/AndroidRuntime(18958): at java.util.concurrent.FutureTask.setException(FutureTask.java:219)
05-05 21:16:20.534: E/AndroidRuntime(18958): at java.util.concurrent.FutureTask.run(FutureTask.java:239)
05-05 21:16:20.534: E/AndroidRuntime(18958): at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230)
05-05 21:16:20.534: E/AndroidRuntime(18958): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080)
05-05 21:16:20.534: E/AndroidRuntime(18958): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573)
05-05 21:16:20.534: E/AndroidRuntime(18958): at java.lang.Thread.run(Thread.java:856)
05-05 21:16:20.534: E/AndroidRuntime(18958): Caused by: java.lang.NullPointerException
05-05 21:16:20.534: E/AndroidRuntime(18958): at com.aer.biblealive.MainActivity$LoadVideos.doInBackground(MainActivity.java:158)
05-05 21:16:20.534: E/AndroidRuntime(18958): at com.aer.biblealive.MainActivity$LoadVideos.doInBackground(MainActivity.java:1)
05-05 21:16:20.534: E/AndroidRuntime(18958): at android.os.AsyncTask$2.call(AsyncTask.java:287)
05-05 21:16:20.534: E/AndroidRuntime(18958): at java.util.concurrent.FutureTask.run(FutureTask.java:234)
05-05 21:16:20.534: E/AndroidRuntime(18958): ... 4 more
05-05 21:35:41.362: D/AndroidRuntime(19655): Shutting down VM
05-05 21:35:41.362: W/dalvikvm(19655): threadid=1: thread exiting with uncaught exception (group=0x41640930)
05-05 21:35:41.394: E/AndroidRuntime(19655): FATAL EXCEPTION: main
05-05 21:35:41.394: E/AndroidRuntime(19655): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.aer.biblealive/com.aer.biblealive.MainActivity}: java.lang.RuntimeException: Your content must have a ListView whose id attribute is 'android.R.id.list'
05-05 21:35:41.394: E/AndroidRuntime(19655): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2308)
05-05 21:35:41.394: E/AndroidRuntime(19655): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2358)
05-05 21:35:41.394: E/AndroidRuntime(19655): at android.app.ActivityThread.access$600(ActivityThread.java:154)
05-05 21:35:41.394: E/AndroidRuntime(19655): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1248)
05-05 21:35:41.394: E/AndroidRuntime(19655): at android.os.Handler.dispatchMessage(Handler.java:99)
05-05 21:35:41.394: E/AndroidRuntime(19655): at android.os.Looper.loop(Looper.java:137)
05-05 21:35:41.394: E/AndroidRuntime(19655): at android.app.ActivityThread.main(ActivityThread.java:5235)
05-05 21:35:41.394: E/AndroidRuntime(19655): at java.lang.reflect.Method.invokeNative(Native Method)
05-05 21:35:41.394: E/AndroidRuntime(19655): at java.lang.reflect.Method.invoke(Method.java:511)
05-05 21:35:41.394: E/AndroidRuntime(19655): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:795)
05-05 21:35:41.394: E/AndroidRuntime(19655): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:562)
05-05 21:35:41.394: E/AndroidRuntime(19655): at dalvik.system.NativeStart.main(Native Method)
05-05 21:35:41.394: E/AndroidRuntime(19655): Caused by: java.lang.RuntimeException: Your content must have a ListView whose id attribute is 'android.R.id.list'
05-05 21:35:41.394: E/AndroidRuntime(19655): at android.app.ListActivity.onContentChanged(ListActivity.java:243)
05-05 21:35:41.394: E/AndroidRuntime(19655): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:335)
05-05 21:35:41.394: E/AndroidRuntime(19655): at android.app.Activity.setContentView(Activity.java:1881)
05-05 21:35:41.394: E/AndroidRuntime(19655): at com.aer.biblealive.MainActivity.onCreate(MainActivity.java:37)
05-05 21:35:41.394: E/AndroidRuntime(19655): at android.app.Activity.performCreate(Activity.java:5104)
05-05 21:35:41.394: E/AndroidRuntime(19655): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1080)
05-05 21:35:41.394: E/AndroidRuntime(19655): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2262)
05-05 21:35:41.394: E/AndroidRuntime(19655): ... 11 more
最新のクラッシュ:
05-05 21:42:59.503: D/AndroidRuntime(20362): Shutting down VM
05-05 21:42:59.503: W/dalvikvm(20362): threadid=1: thread exiting with uncaught exception (group=0x41640930)
05-05 21:42:59.511: E/AndroidRuntime(20362): FATAL EXCEPTION: main
05-05 21:42:59.511: E/AndroidRuntime(20362): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.aer.biblealive/com.aer.biblealive.MainActivity}: java.lang.RuntimeException: Your content must have a ListView whose id attribute is 'android.R.id.list'
05-05 21:42:59.511: E/AndroidRuntime(20362): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2308)
05-05 21:42:59.511: E/AndroidRuntime(20362): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2358)
05-05 21:42:59.511: E/AndroidRuntime(20362): at android.app.ActivityThread.access$600(ActivityThread.java:154)
05-05 21:42:59.511: E/AndroidRuntime(20362): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1248)
05-05 21:42:59.511: E/AndroidRuntime(20362): at android.os.Handler.dispatchMessage(Handler.java:99)
05-05 21:42:59.511: E/AndroidRuntime(20362): at android.os.Looper.loop(Looper.java:137)
05-05 21:42:59.511: E/AndroidRuntime(20362): at android.app.ActivityThread.main(ActivityThread.java:5235)
05-05 21:42:59.511: E/AndroidRuntime(20362): at java.lang.reflect.Method.invokeNative(Native Method)
05-05 21:42:59.511: E/AndroidRuntime(20362): at java.lang.reflect.Method.invoke(Method.java:511)
05-05 21:42:59.511: E/AndroidRuntime(20362): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:795)
05-05 21:42:59.511: E/AndroidRuntime(20362): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:562)
05-05 21:42:59.511: E/AndroidRuntime(20362): at dalvik.system.NativeStart.main(Native Method)
05-05 21:42:59.511: E/AndroidRuntime(20362): Caused by: java.lang.RuntimeException: Your content must have a ListView whose id attribute is 'android.R.id.list'
05-05 21:42:59.511: E/AndroidRuntime(20362): at android.app.ListActivity.onContentChanged(ListActivity.java:243)
05-05 21:42:59.511: E/AndroidRuntime(20362): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:335)
05-05 21:42:59.511: E/AndroidRuntime(20362): at android.app.Activity.setContentView(Activity.java:1881)
05-05 21:42:59.511: E/AndroidRuntime(20362): at com.aer.biblealive.MainActivity.onCreate(MainActivity.java:41)
05-05 21:42:59.511: E/AndroidRuntime(20362): at android.app.Activity.performCreate(Activity.java:5104)
05-05 21:42:59.511: E/AndroidRuntime(20362): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1080)
05-05 21:42:59.511: E/AndroidRuntime(20362): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2262)
05-05 21:42:59.511: E/AndroidRuntime(20362): ... 11 more
ネットワークがメインスレッドで何かをダウンロードしているようです。しかし、私はそうは思わない...