@Bini,这是我根据你的修改产生的错误 :(
这里是我的主活动(Main Activity):
我的地图片段XML文件:
09-26 11:06:05.620: D/dalvikvm(1613): Late-enabling CheckJNI
09-26 11:06:06.148: D/dalvikvm(1613): GC_FOR_ALLOC freed 51K, 4% free 3410K/3532K, paused 22ms, total 22ms
09-26 11:06:06.236: I/dalvikvm-heap(1613): Grow heap (frag case) to 17.093MB for 14369304-byte allocation
09-26 11:06:06.240: D/dalvikvm(1613): GC_FOR_ALLOC freed 2K, 1% free 17440K/17568K, paused 3ms, total 3ms
09-26 11:06:06.608: D/AndroidRuntime(1613): Shutting down VM
09-26 11:06:06.608: W/dalvikvm(1613): threadid=1: thread exiting with uncaught exception (group=0xa4d51b20)
09-26 11:06:06.608: E/AndroidRuntime(1613): FATAL EXCEPTION: main
09-26 11:06:06.608: E/AndroidRuntime(1613): Process: com.VaSuRa.sugboways, PID: 1613
09-26 11:06:06.608: E/AndroidRuntime(1613): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.VaSuRa.sugboways/com.VaSuRa.sugboways.MainActivity}: java.lang.ClassCastException: com.VaSuRa.sugboways.MainActivity cannot be cast to android.location.LocationListener
09-26 11:06:06.608: E/AndroidRuntime(1613): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2195)
09-26 11:06:06.608: E/AndroidRuntime(1613): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2245)
09-26 11:06:06.608: E/AndroidRuntime(1613): at android.app.ActivityThread.access$800(ActivityThread.java:135)
09-26 11:06:06.608: E/AndroidRuntime(1613): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196)
09-26 11:06:06.608: E/AndroidRuntime(1613): at android.os.Handler.dispatchMessage(Handler.java:102)
09-26 11:06:06.608: E/AndroidRuntime(1613): at android.os.Looper.loop(Looper.java:136)
09-26 11:06:06.608: E/AndroidRuntime(1613): at android.app.ActivityThread.main(ActivityThread.java:5017)
09-26 11:06:06.608: E/AndroidRuntime(1613): at java.lang.reflect.Method.invokeNative(Native Method)
09-26 11:06:06.608: E/AndroidRuntime(1613): at java.lang.reflect.Method.invoke(Method.java:515)
09-26 11:06:06.608: E/AndroidRuntime(1613): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
09-26 11:06:06.608: E/AndroidRuntime(1613): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
09-26 11:06:06.608: E/AndroidRuntime(1613): at dalvik.system.NativeStart.main(Native Method)
09-26 11:06:06.608: E/AndroidRuntime(1613): Caused by: java.lang.ClassCastException: com.VaSuRa.sugboways.MainActivity cannot be cast to android.location.LocationListener
09-26 11:06:06.608: E/AndroidRuntime(1613): at com.VaSuRa.sugboways.MainActivity.onCreate(MainActivity.java:44)
09-26 11:06:06.608: E/AndroidRuntime(1613): at android.app.Activity.performCreate(Activity.java:5231)
09-26 11:06:06.608: E/AndroidRuntime(1613): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
09-26 11:06:06.608: E/AndroidRuntime(1613): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2159)
09-26 11:06:06.608: E/AndroidRuntime(1613): ... 11 more
这是第二个错误
09-26 11:06:05.620: D/dalvikvm(1613): Late-enabling CheckJNI
09-26 11:06:06.148: D/dalvikvm(1613): GC_FOR_ALLOC freed 51K, 4% free 3410K/3532K, paused 22ms, total 22ms
09-26 11:06:06.236: I/dalvikvm-heap(1613): Grow heap (frag case) to 17.093MB for 14369304-byte allocation
09-26 11:06:06.240: D/dalvikvm(1613): GC_FOR_ALLOC freed 2K, 1% free 17440K/17568K, paused 3ms, total 3ms
09-26 11:06:06.608: D/AndroidRuntime(1613): Shutting down VM
09-26 11:06:06.608: W/dalvikvm(1613): threadid=1: thread exiting with uncaught exception (group=0xa4d51b20)
09-26 11:06:06.608: E/AndroidRuntime(1613): FATAL EXCEPTION: main
09-26 11:06:06.608: E/AndroidRuntime(1613): Process: com.VaSuRa.sugboways, PID: 1613
09-26 11:06:06.608: E/AndroidRuntime(1613): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.VaSuRa.sugboways/com.VaSuRa.sugboways.MainActivity}: java.lang.ClassCastException: com.VaSuRa.sugboways.MainActivity cannot be cast to android.location.LocationListener
09-26 11:06:06.608: E/AndroidRuntime(1613): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2195)
09-26 11:06:06.608: E/AndroidRuntime(1613): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2245)
09-26 11:06:06.608: E/AndroidRuntime(1613): at android.app.ActivityThread.access$800(ActivityThread.java:135)
09-26 11:06:06.608: E/AndroidRuntime(1613): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196)
09-26 11:06:06.608: E/AndroidRuntime(1613): at android.os.Handler.dispatchMessage(Handler.java:102)
09-26 11:06:06.608: E/AndroidRuntime(1613): at android.os.Looper.loop(Looper.java:136)
09-26 11:06:06.608: E/AndroidRuntime(1613): at android.app.ActivityThread.main(ActivityThread.java:5017)
09-26 11:06:06.608: E/AndroidRuntime(1613): at java.lang.reflect.Method.invokeNative(Native Method)
09-26 11:06:06.608: E/AndroidRuntime(1613): at java.lang.reflect.Method.invoke(Method.java:515)
09-26 11:06:06.608: E/AndroidRuntime(1613): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
09-26 11:06:06.608: E/AndroidRuntime(1613): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
09-26 11:06:06.608: E/AndroidRuntime(1613): at dalvik.system.NativeStart.main(Native Method)
09-26 11:06:06.608: E/AndroidRuntime(1613): Caused by: java.lang.ClassCastException: com.VaSuRa.sugboways.MainActivity cannot be cast to android.location.LocationListener
09-26 11:06:06.608: E/AndroidRuntime(1613): at com.VaSuRa.sugboways.MainActivity.onCreate(MainActivity.java:44)
09-26 11:06:06.608: E/AndroidRuntime(1613): at android.app.Activity.performCreate(Activity.java:5231)
09-26 11:06:06.608: E/AndroidRuntime(1613): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
09-26 11:06:06.608: E/AndroidRuntime(1613): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2159)
09-26 11:06:06.608: E/AndroidRuntime(1613): ... 11 more
这是导致我头痛的日志,有人可以帮帮我吗?我非常需要这个...
09-26 09:26:43.281: D/dalvikvm(1209): Late-enabling CheckJNI
09-26 09:26:43.441: D/dalvikvm(1209): newInstance failed: p0 i0 [0 a1
09-26 09:26:43.441: D/AndroidRuntime(1209): Shutting down VM
09-26 09:26:43.445: W/dalvikvm(1209): threadid=1: thread exiting with uncaught exception (group=0xa4da2b20)
09-26 09:26:43.457: E/AndroidRuntime(1209): FATAL EXCEPTION: main
09-26 09:26:43.457: E/AndroidRuntime(1209): Process: com.VaSuRa.sugboways, PID: 1209
09-26 09:26:43.457: E/AndroidRuntime(1209): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.VaSuRa.sugboways/com.VaSuRa.sugboways.MainActivity}: java.lang.InstantiationException: can't instantiate class com.VaSuRa.sugboways.MainActivity
09-26 09:26:43.457: E/AndroidRuntime(1209): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2121)
09-26 09:26:43.457: E/AndroidRuntime(1209): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2245)
09-26 09:26:43.457: E/AndroidRuntime(1209): at android.app.ActivityThread.access$800(ActivityThread.java:135)
09-26 09:26:43.457: E/AndroidRuntime(1209): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196)
09-26 09:26:43.457: E/AndroidRuntime(1209): at android.os.Handler.dispatchMessage(Handler.java:102)
09-26 09:26:43.457: E/AndroidRuntime(1209): at android.os.Looper.loop(Looper.java:136)
09-26 09:26:43.457: E/AndroidRuntime(1209): at android.app.ActivityThread.main(ActivityThread.java:5017)
09-26 09:26:43.457: E/AndroidRuntime(1209): at java.lang.reflect.Method.invokeNative(Native Method)
09-26 09:26:43.457: E/AndroidRuntime(1209): at java.lang.reflect.Method.invoke(Method.java:515)
09-26 09:26:43.457: E/AndroidRuntime(1209): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
09-26 09:26:43.457: E/AndroidRuntime(1209): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
09-26 09:26:43.457: E/AndroidRuntime(1209): at dalvik.system.NativeStart.main(Native Method)
09-26 09:26:43.457: E/AndroidRuntime(1209): Caused by: java.lang.InstantiationException: can't instantiate class com.VaSuRa.sugboways.MainActivity
09-26 09:26:43.457: E/AndroidRuntime(1209): at java.lang.Class.newInstanceImpl(Native Method)
09-26 09:26:43.457: E/AndroidRuntime(1209): at java.lang.Class.newInstance(Class.java:1208)
09-26 09:26:43.457: E/AndroidRuntime(1209): at android.app.Instrumentation.newActivity(Instrumentation.java:1061)
09-26 09:26:43.457: E/AndroidRuntime(1209): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2112)
09-26 09:26:43.457: E/AndroidRuntime(1209): ... 11 more
这里是我的主活动(Main Activity):
package com.VaSuRa.sugboways;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.graphics.Typeface;
import android.location.Criteria;
import android.location.Location;
import android.location.LocationManager;
import android.net.Uri;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;
import com.google.android.gms.location.LocationListener;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.MapFragment;
public abstract class MainActivity extends Activity implements OnClickListener,
LocationListener {
LocationManager locationManager;
String provider;
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
Criteria criteria = new Criteria();
provider = locationManager.getBestProvider(criteria, false);
if (provider != null && !provider.equals("")) {
// Get the location from the given provider
Location location = locationManager.getLastKnownLocation(provider);
locationManager.requestLocationUpdates(provider, 20000, 1,
(android.location.LocationListener) this);
if (location != null)
onLocationChanged(location);
else
Toast.makeText(getBaseContext(), "Location can't be retrieved",
Toast.LENGTH_SHORT).show();
} else {
Toast.makeText(getBaseContext(), "No Provider Found",
Toast.LENGTH_SHORT).show();
}
TextView txtSugbo = (TextView) findViewById(R.id.txtSugbo);
Typeface typeFace1 = Typeface.createFromAsset(getAssets(),
"fonts/HolyRavioliNF.ttf");
txtSugbo.setTypeface(typeFace1);
TextView txtWays = (TextView) findViewById(R.id.txtWays);
Typeface typeFace2 = Typeface.createFromAsset(getAssets(),
"fonts/Angella_demo.otf");
txtWays.setTypeface(typeFace2);
Button btnGetStarted = (Button) findViewById(R.id.btnGetStarted);
btnGetStarted.setOnClickListener(this);
GoogleMap googleMap;
googleMap = ((MapFragment) getFragmentManager().findFragmentById(
R.id.map)).getMap();
}
public void onClick(View v, Location location) {
switch (v.getId()) {
case R.id.btnGetStarted:
double longitude = location.getLongitude();
double latitude = location.getLatitude();
Intent intent = new Intent(android.content.Intent.ACTION_VIEW,
Uri.parse("geo:0,0?q="+latitude+","+longitude+"- Current location."));
startActivity(intent);
break;
}
}
@Override
public void onLocationChanged(Location location) {
// TODO Auto-generated method stub
}
}
以下是我的activity_main.xml:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical" >
<ImageView
android:id="@+id/imgJeep"
android:layout_width="300dp"
android:layout_height="300dp"
android:layout_gravity="center"
android:layout_marginTop="30dp"
android:contentDescription="@string/icon_desc"
android:src="@drawable/jeep_new" />
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_gravity="center"
android:orientation="horizontal" >
<TextView
android:id="@+id/txtSugbo"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/sugbo"
android:textAppearance="?android:attr/textAppearanceLarge"
android:textColor="@color/Orange"
android:textSize="50sp" />
</LinearLayout>
<TextView
android:id="@+id/txtWays"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:text="@string/ways"
android:textAppearance="?android:attr/textAppearanceSmall"
android:textSize="30sp" />
<Button
android:id="@+id/btnGetStarted"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_marginTop="40dp"
android:text="@string/get_started"
android:onClick="onClick" />
我的地图片段XML文件:
package com.VaSuRa.sugboways;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
public class MapFragmentActivity extends Activity {
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_map);
Intent i = getIntent();
}
}
最后是我的activity_map.xml文件
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent" xmlns:tools="http://schemas.android.com/tools">
<fragment
android:id="@+id/map"
android:name="com.google.android.gms.maps.SupportMapFragment"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
tools:layout="@layout/activity_main" />