为什么Android仿真器会显示;不幸的是,我的“应用程序”名称已停止;?
我尝试使用GPS制作一个用于地理定位的Android应用程序,但当我运行模拟器时,我收到一条消息:为什么Android仿真器会显示;不幸的是,我的“应用程序”名称已停止;?,android,android-emulator,Android,Android Emulator,我尝试使用GPS制作一个用于地理定位的Android应用程序,但当我运行模拟器时,我收到一条消息:appname不幸停止。我为什么会收到这个消息?我的代码没有错误 My.java: package com.android.geolocalisation3; import android.location.Location; import android.location.LocationListener; import android.location.LocationManager; imp
appname不幸停止。
我为什么会收到这个消息?我的代码没有错误
My.java:
package com.android.geolocalisation3;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.location.LocationProvider;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.Menu;
import android.widget.Toast;
import com.google.android.maps.GeoPoint;
import com.google.android.maps.MapActivity;
import com.google.android.maps.MapController;
import com.google.android.maps.MapView;
public class Geo3MainActivity extends MapActivity implements LocationListener {
private MapView mapView;
private MapController mc;
private LocationManager lm;
private double latitude=122;
private double longitude=37;
private double altitude=0;
private float accuracy=0;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_geo3_main);
mapView = (MapView) this.findViewById(R.id.mapView);
mapView.setBuiltInZoomControls(true);
mc = mapView.getController();
mc.setZoom(17);
}
@Override
protected void onResume() {
super.onResume();
lm = (LocationManager) this.getSystemService(LOCATION_SERVICE);
if (lm.isProviderEnabled(LocationManager.GPS_PROVIDER))
lm.requestLocationUpdates(LocationManager.GPS_PROVIDER, 10000, 0,
this);
lm.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 10000, 0,
this);
}
@Override
protected void onPause() {
super.onPause();
lm.removeUpdates(this);
}
@Override
protected boolean isRouteDisplayed() {
return false;
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
mapView.setSatellite(true);
return true;
} else if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
mapView.setSatellite(false);
return true;
}
return super.onKeyDown(keyCode, event);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.activity_geo3_main, menu);
return true;
}
@Override
public void onLocationChanged(Location location) {
//altitude = location.getAltitude();
///accuracy = location.getAccuracy();
String msg = String.format(
getResources().getString(R.string.new_location), latitude,
longitude, altitude, accuracy);
Toast.makeText(this, msg, Toast.LENGTH_LONG).show();
GeoPoint p = new GeoPoint((int) (latitude * 1E6), (int) (longitude * 1E6));
mc.animateTo(p);
mc.setCenter(p);
}
@Override
public void onProviderDisabled(String provider) {
String msg = String.format(
getResources().getString(R.string.provider_disabled), provider);
Toast.makeText(this, msg, Toast.LENGTH_SHORT).show();
}
@Override
public void onProviderEnabled(String provider) {
String msg = String.format(
getResources().getString(R.string.provider_enabled), provider);
Toast.makeText(this, msg, Toast.LENGTH_SHORT).show();
}
@Override
public void onStatusChanged(String provider, int status, Bundle extras) {
String newStatus = "";
switch (status) {
case LocationProvider.OUT_OF_SERVICE:
newStatus = "OUT_OF_SERVICE";
break;
case LocationProvider.TEMPORARILY_UNAVAILABLE:
newStatus = "TEMPORARILY_UNAVAILABLE";
break;
case LocationProvider.AVAILABLE:
newStatus = "AVAILABLE";
break;
}
String msg = String.format(
getResources().getString(R.string.provider_disabled), provider,
newStatus);
Toast.makeText(this, msg, Toast.LENGTH_SHORT).show();
}
}
我的日志错误:
07-28 00:00:01.054: E/StrictMode(621): A resource was acquired at attached stack trace but never released. See java.io.Closeable for information on avoiding resource leaks.
07-28 00:00:01.054: E/StrictMode(621): java.lang.Throwable: Explicit termination method 'close' not called
07-28 00:00:01.054: E/StrictMode(621): at dalvik.system.CloseGuard.open(CloseGuard.java:184)
07-28 00:00:01.054: E/StrictMode(621): at android.database.CursorWindow.<init>(CursorWindow.java:137)
07-28 00:00:01.054: E/StrictMode(621): at android.database.CursorWindow.<init>(CursorWindow.java:41)
07-28 00:00:01.054: E/StrictMode(621): at android.database.CursorWindow$1.createFromParcel(CursorWindow.java:681)
07-28 00:00:01.054: E/StrictMode(621): at android.database.CursorWindow$1.createFromParcel(CursorWindow.java:679)
07-28 00:00:01.054: E/StrictMode(621): at android.database.BulkCursorDescriptor.readFromParcel(BulkCursorDescriptor.java:75)
07-28 00:00:01.054: E/StrictMode(621): at android.database.BulkCursorDescriptor$1.createFromParcel(BulkCursorDescriptor.java:34)
07-28 00:00:01.054: E/StrictMode(621): at android.database.BulkCursorDescriptor$1.createFromParcel(BulkCursorDescriptor.java:30)
07-28 00:00:01.054: E/StrictMode(621): at android.content.ContentProviderProxy.query(ContentProviderNative.java:369)
07-28 00:00:01.054: E/StrictMode(621): at android.content.ContentResolver.query(ContentResolver.java:370)
07-28 00:00:01.054: E/StrictMode(621): at android.content.CursorLoader.loadInBackground(CursorLoader.java:65
07-28 00:00:01.054: E/StrictMode(621): at android.content.CursorLoader.loadInBackground(CursorLoader.java:43)
07-28 00:00:01.054: E/StrictMode(621): at android.content.AsyncTaskLoader.onLoadInBackground(AsyncTaskLoader.java:301)
07-28 00:00:01.054: E/StrictMode(621): at android.content.AsyncTaskLoader$LoadTask.doInBackground(AsyncTaskLoader.java:68)
07-28 00:00:01.054: E/StrictMode(621): at android.content.AsyncTaskLoader$LoadTask.doInBackground(AsyncTaskLoader.java:56)
07-28 00:00:01.054: E/StrictMode(621): at android.os.AsyncTask$2.call(AsyncTask.java:287)
07-28 00:00:01.054: E/StrictMode(621): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:305)
07-28 00:00:01.054: E/StrictMode(621): at java.util.concurrent.FutureTask.run(FutureTask.java:137)
07-28 00:00:01.054: E/StrictMode(621): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1076)
07-28 00:00:01.054: E/StrictMode(621): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:569)
07-28 00:00:01.054: E/StrictMode(621): at java.lang.Thread.run(Thread.java:856)
07-28 00:00:01.144: E/StrictMode(621): A resource was acquired at attached stack trace but never released. See java.io.Closeable for information on avoiding resource leaks.
07-28 00:00:01.144: E/StrictMode(621): java.lang.Throwable: Explicit termination method 'close' not called
07-28 00:00:01.144: E/StrictMode(621): at dalvik.system.CloseGuard.open(CloseGuard.java:184)
07-28 00:00:01.144: E/StrictMode(621): at android.content.ContentResolver$CursorWrapperInner.<init>(ContentResolver.java:1835)
07-28 00:00:01.144: E/StrictMode(621): at android.content.ContentResolver.query(ContentResolver.java:392)
07-28 00:00:01.144: E/StrictMode(621): at android.content.CursorLoader.loadInBackground(CursorLoader.java:65)
07-28 00:00:01.144: E/StrictMode(621): at android.content.CursorLoader.loadInBackground(CursorLoader.java:43)
07-28 00:00:01.144: E/StrictMode(621): at android.content.AsyncTaskLoader.onLoadInBackground(AsyncTaskLoader.java:301)
07-28 00:00:01.144: E/StrictMode(621): at android.content.AsyncTaskLoader$LoadTask.doInBackground(AsyncTaskLoader.java:68)
07-28 00:00:01.144: E/StrictMode(621): at android.content.AsyncTaskLoader$LoadTask.doInBackground(AsyncTaskLoader.java:56)
07-28 00:00:01.144: E/StrictMode(621): at android.os.AsyncTask$2.call(AsyncTask.java:287)
07-28 00:00:01.144: E/StrictMode(621): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:305)
07-28 00:00:01.144: E/StrictMode(621): at java.util.concurrent.FutureTask.run(FutureTask.java:137)
07-28 00:00:01.144: E/StrictMode(621): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1076)
07-28 00:00:01.144: E/StrictMode(621): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:569)
07-28 00:00:01.144: E/StrictMode(621): at java.lang.Thread.run(Thread.java:856)
07-28 00:00:45.364: E/PowerManagerService(157): Excessive delay setting brightness: 144ms, mask=2
07-28 00:00:45.544: E/PowerManagerService(157): Excessive delay setting brightness: 139ms, mask=2
07-28 00:00:45.764: E/PowerManagerService(157): Excessive delay setting brightness: 211ms, mask=2
07-28 00:00:45.994: E/PowerManagerService(157): Excessive delay setting brightness: 224ms, mask=2
07-28 00:05:21.293: E/ThrottleService(157): problem during onPollAlarm: java.lang.IllegalStateException: problem parsing stats: java.io.FileNotFoundException: /proc/net/xt_qtaguid/iface_stat_all: open failed: ENOENT (No such file or directory)
07-28 00:00:01.054:E/StrictMode(621):在附加的堆栈跟踪中获取了资源,但从未释放。有关避免资源泄漏的信息,请参阅java.io.Closeable。
07-28 00:00:01.054:E/StrictMode(621):java.lang.Throwable:未调用显式终止方法“close”
07-28 00:00:01.054:E/StrictMode(621):在dalvik.system.CloseGuard.open(CloseGuard.java:184)
07-28 00:00:01.054:E/StrictMode(621):在android.database.CursorWindow。(CursorWindow.java:137)
07-28 00:00:01.054:E/StrictMode(621):在android.database.CursorWindow。(CursorWindow.java:41)
07-28 00:00:01.054:E/StrictMode(621):在android.database.CursorWindow$1.createFromParcel(CursorWindow.java:681)
07-28 00:00:01.054:E/StrictMode(621):在android.database.CursorWindow$1.createFromParcel(CursorWindow.java:679)
07-28 00:00:01.054:E/StrictMode(621):位于android.database.BulkCursorDescriptor.readFromParcel(BulkCursorDescriptor.java:75)
07-28 00:00:01.054:E/StrictMode(621):在android.database.BulkCursorDescriptor$1.createFromParcel(BulkCursorDescriptor.java:34)
07-28 00:00:01.054:E/StrictMode(621):在android.database.BulkCursorDescriptor$1.createFromParcel(BulkCursorDescriptor.java:30)
07-28 00:00:01.054:E/StrictMode(621):位于android.content.ContentProviderProxy.query(ContentProviderNative.java:369)
07-28 00:00:01.054:E/StrictMode(621):在android.content.ContentResolver.query(ContentResolver.java:370)上
07-28 00:00:01.054:E/StrictMode(621):在android.content.CursorLoader.loadInBackground(CursorLoader.java:65
07-28 00:00:01.054:E/StrictMode(621):在android.content.CursorLoader.loadInBackground(CursorLoader.java:43)
07-28 00:00:01.054:E/StrictMode(621):在android.content.AsyncTaskLoader.onLoadInBackground(AsyncTaskLoader.java:301)
07-28 00:00:01.054:E/StrictMode(621):在android.content.AsyncTaskLoader$LoadTask.doInBackground(AsyncTaskLoader.java:68)
07-28 00:00:01.054:E/StrictMode(621):在android.content.AsyncTaskLoader$LoadTask.doInBackground(AsyncTaskLoader.java:56)
07-28 00:00:01.054:E/StrictMode(621):在android.os.AsyncTask$2.call(AsyncTask.java:287)
07-28 00:00:01.054:E/StrictMode(621):位于java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:305)
07-28 00:00:01.054:E/StrictMode(621):位于java.util.concurrent.FutureTask.run(FutureTask.java:137)
07-28 00:00:01.054:E/StrictMode(621):位于java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1076)
07-28 00:00:01.054:E/StrictMode(621):位于java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:569)
07-28 00:00:01.054:E/StrictMode(621):在java.lang.Thread.run(Thread.java:856)
07-28 00:00:01.144:E/StrictMode(621):在附加的堆栈跟踪中获取了资源,但从未释放。有关避免资源泄漏的信息,请参阅java.io.Closeable。
07-28 00:00:01.144:E/StrictMode(621):java.lang.Throwable:未调用显式终止方法“close”
07-28 00:00:01.144:E/StrictMode(621):在dalvik.system.CloseGuard.open(CloseGuard.java:184)
07-28 00:00:01.144:E/StrictMode(621):位于android.content.ContentResolver$CursorWrapperInner。(ContentResolver.java:1835)
07-28 00:00:01.144:E/StrictMode(621):在android.content.ContentResolver.query(ContentResolver.java:392)
07-28 00:00:01.144:E/StrictMode(621):在android.content.CursorLoader.loadInBackground(CursorLoader.java:65)
07-28 00:00:01.144:E/StrictMode(621):在android.content.CursorLoader.loadInBackground(CursorLoader.java:43)
07-28 00:00:01.144:E/StrictMode(621):在android.content.AsyncTaskLoader.onLoadInBackground(AsyncTaskLoader.java:301)
07-28 00:00:01.144:E/StrictMode(621):在android.content.AsyncTaskLoader$LoadTask.doInBackground(AsyncTaskLoader.java:68)
07-28 00:00:01.144:E/StrictMode(621):在android.content.AsyncTaskLoader$LoadTask.doInBackground(AsyncTaskLoader.java:56)
07-28 00:00:01.144:E/StrictMode(621):在android.os.AsyncTask$2.call(AsyncTask.java:287)
07-28 00:00:01.144:E/StrictMode(621):在java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:305)
07-28 00:00:01.144:E/StrictMode(621):位于java.util.concurrent.FutureTask.run(FutureTask.java:137)
07-28 00:00:01.144:E/StrictMode(621):位于java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1076)
07-28 00:00:01.144:E/StrictMode(621):位于java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:569)
07-28 00:00:01.144:E/StrictMode(621):在java.lang.Thread.run(Thread.java:856)
07-28 00:00:45.364:E/PowerManagerService(157):过度延迟设置亮度:144ms,掩码=2
07-28 00:00:45.544:E/PowerManagerService(157):过度延迟设置亮度:139ms,掩码=2
07-28 00:00:45.764:E/PowerManagerService(157):过度延迟设置亮度:211ms,掩码=2
07-28 00:00:45.994:E/PowerManagerService(157):过度延迟设置亮度:224ms,掩码=2
07-28 00:05:21.293:E/ThrottleService(157):onPollAlarm期间出现问题:java.lang.IllegalStateException:解析统计数据时出现问题:java.io.FileNotFoundException:/proc/net/xt_qtaguid/iface_state_all:打开失败:eNot(没有这样的文件或目录)
不知何故,日志消息的格式丢失,使它们很难阅读
日志消息的前几行给出了线索:
07-28 00:00:01.054: E/StrictMode(621): A resource was acquired at attached stack trace but never released. See java.io.Closeable for information on avoiding resource leaks.
07-28 00:00:01.054: E/StrictMode(621): java.lang.Throwable: Explicit termination method 'close' not called
某些对象(如文件或游标)需要显式关闭。仅删除对它们的引用是不够的。未能关闭该对象会导致资源泄漏,系统会检测到资源泄漏并通过关闭应用程序作出反应
不幸的是,堆栈跟踪只显示检测到泄漏的位置,而不是最初导致泄漏的原因
你的代码有没有部分没有给我们看
protected DbRec findById(String ident) {
DbRec rval;
Cursor cursor = null;
try {
if( (cursor = findCursorById(ident)) == null )
return null;
rval = newRecord();
rval.fillFromCursor(cursor);
} catch (Exception e) {
Log.w(TAG, "Failed to read database record: " + e);
rval = null;
} finally {
if( cursor != null ) cursor.close();
}
return rval;
}
E/AndroidRuntime(808): java.lang.RuntimeException: Unable to resume activity {com.android.geolocalisation3/com.android.geolocalisation3.Geo3MainActivity}: java.lang.IllegalArgumentException: requested provider network doesn't exisit
E/AndroidRuntime(808): at android.app.ActivityThread.performResumeActivity(ActivityThread.java:2575)
E/AndroidRuntime(808): at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:2603)
E/AndroidRuntime(808): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2089)
E/AndroidRuntime(808): at android.app.ActivityThread.access$600(ActivityThread.java:130)
E/AndroidRuntime(808): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1195)
E/AndroidRuntime(808): at android.os.Handler.dispatchMessage(Handler.java:99)
E/AndroidRuntime(808): at android.os.Looper.loop(Looper.java:137)
E/AndroidRuntime(808): at android.app.ActivityThread.main(ActivityThread.java:4745)
E/AndroidRuntime(808): at java.lang.reflect.Method.invokeNative(Native Method)
E/AndroidRuntime(808): at java.lang.reflect.Method.invoke(Method.java:511)
E/AndroidRuntime(808): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)
E/AndroidRuntime(808): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
E/AndroidRuntime(808): at dalvik.system.NativeStart.main(Native Method)
E/AndroidRuntime(808): Caused by: java.lang.IllegalArgumentException: requested provider network doesn't exisit
E/AndroidRuntime(808): at android.os.Parcel.readException(Parcel.java:1429)
E/AndroidRuntime(808): at android.os.Parcel.readException(Parcel.java:1379)
E/AndroidRuntime(808): at android.location.ILocationManager$Stub$Proxy.requestLocationUpdates(ILocationManager.java:646)
E/AndroidRuntime(808): at android.location.LocationManager._requestLocationUpdates(LocationManager.java:660)
E/AndroidRuntime(808): at android.location.LocationManager.requestLocationUpdates(LocationManager.java:482)
E/AndroidRuntime(808): at com.android.geolocalisation3.Geo3MainActivity.onResume(Geo3MainActivity.java:49)
E/AndroidRuntime(808): at android.app.Instrumentation.callActivityOnResume(Instrumentation.java:1184)
E/AndroidRuntime(808): at android.app.Activity.performResume(Activity.java:5082)
E/AndroidRuntime(808): at android.app.ActivityThread.performResumeActivity(ActivityThread.java:2565)
E/AndroidRuntime(808): ... 12 more
if (lm.isProviderEnabled(LocationManager.NETWORK_PROVIDER))