After reading Tim Bray's “New Gingerbread API: StrictMode” message on the Android developers blog, I decided to start using it in my projects. I hope to help deal with performance issues before they become issues.
My problem is that every time I try to load my MapActivity, the application dies, but only when StrictMode is turned on. It dies even when simple, without the use of code.
Has anyone successfully used StrictMode with MapActivity? If so, what is the trick?
Exiting LogCat:
TestActivity - onCreate
TestActivity - onStart
TestActivity - onResume
Handling network change notification:CONNECTED
Couldn't get connection factory client
StrictMode policy violation; ~duration=344 ms: android.os.StrictMode$StrictModeDiskReadViolation: policy=343 violation=2
at android.os.StrictMode$AndroidBlockGuardPolicy.onReadFromDisk(StrictMode.java:745)
at android.database.sqlite.SQLiteDatabase.rawQueryWithFactory(SQLiteDatabase.java:1345)
at android.database.sqlite.SQLiteQueryBuilder.query(SQLiteQueryBuilder.java:330)
at android.database.sqlite.SQLiteQueryBuilder.query(SQLiteQueryBuilder.java:280)
at com.google.android.gsf.settings.GoogleSettingsProvider.query(GoogleSettingsProvider.java:142)
at android.content.ContentProvider$Transport.bulkQuery(ContentProvider.java:174)
at android.content.ContentProviderNative.onTransact(ContentProviderNative.java:111)
at android.os.Binder.execTransact(Binder.java:320)
at dalvik.system.NativeStart.run(Native Method)
android.os.StrictMode$LogStackTrace
at android.os.StrictMode.readAndHandleBinderCallViolations(StrictMode.java:1059)
at android.os.Parcel.readExceptionCode(Parcel.java:1304)
at android.database.DatabaseUtils.readExceptionFromParcel(DatabaseUtils.java:111)
at android.content.ContentProviderProxy.bulkQueryInternal(ContentProviderNative.java:330)
at android.content.ContentProviderProxy.query(ContentProviderNative.java:366)
at android.content.ContentResolver.query(ContentResolver.java:262)
at android_maps_conflict_avoidance.com.google.common.android.AndroidConfig.getSetting(AndroidConfig.java:216)
at android_maps_conflict_avoidance.com.google.common.android.AndroidConfig.getDistributionChannelInternal(AndroidConfig.java:195)
at android_maps_conflict_avoidance.com.google.common.Config.init(Config.java:273)
at android_maps_conflict_avoidance.com.google.common.android.AndroidConfig.<init>(AndroidConfig.java:100)
at android_maps_conflict_avoidance.com.google.common.android.AndroidConfig.<init>(AndroidConfig.java:87)
at com.google.android.maps.MapActivity.onCreate(MapActivity.java:419)
at com.company.project.UI.TestActivity.onCreate(TestActivity.java:15)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1611)
at android.app.ActivityThread.startActivityNow(ActivityThread.java:1487)
at android.app.LocalActivityManager.moveToState(LocalActivityManager.java:127)
at android.app.LocalActivityManager.startActivity(LocalActivityManager.java:339)
at android.widget.TabHost$IntentContentStrategy.getContentView(TabHost.java:654)
at android.widget.TabHost.setCurrentTab(TabHost.java:326)
at android.widget.TabHost$2.onTabSelectionChanged(TabHost.java:132)
at android.widget.TabWidget$TabClickListener.onClick(TabWidget.java:456)
at android.view.View.performClick(View.java:2485)
at android.view.View$PerformClick.run(View.java:9080)
at android.os.Handler.handleCallback(Handler.java:587)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:130)
at android.app.ActivityThread.main(ActivityThread.java:3683)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:507)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
at dalvik.system.NativeStart.main(Native Method)
StrictMode policy violation with POLICY_DEATH; shutting down.
Sending signal. PID: 1254 SIG: 9
Process com.company.project (pid 1254) has died.
channel '4073e288 com.company.project/com.company.project.UI.MainActivity (server)' ~ Consumer closed input channel or an error occurred. events=0x8
channel '4073e288 com.company.project/com.company.project.UI.MainActivity (server)' ~ Channel is unrecoverably broken and will be disposed!
WIN DEATH: Window{4073e288 com.company.project/com.company.project.UI.MainActivity paused=false}
Action code: (I know there is extra material, but I wanted to see what standard methods were executed)
public class TestActivity extends MapActivity {
private final static String TAG = "TestActivity";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate( savedInstanceState );
Log.d(TAG, "TestActivity - onCreate");
}
@Override
protected void onStart() {
super.onStart();
Log.d(TAG, "TestActivity - onStart");
}
@Override
protected void onResume() {
super.onResume();
Log.d(TAG, "TestActivity - onResume");
}
@Override
protected void onPause() {
super.onPause();
Log.d(TAG, "TestActivity - onPause");
}
@Override
protected void onStop() {
super.onStop();
Log.d(TAG, "TestActivity - onStop");
}
@Override
protected void onRestart() {
super.onRestart();
Log.d(TAG, "TestActivity - onRestart");
}
@Override
protected void onDestroy() {
super.onDestroy();
Log.d(TAG, "TestActivity - onDestroy");
}
@Override
protected boolean isRouteDisplayed() {
Log.d(TAG, "TestActivity - isRouteDisplayed");
return false;
}
}
Layout:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">
<com.google.android.maps.MapView
android:id="@+id/campusMap"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:clickable="true"
android:apiKey="<key>" />
</LinearLayout>