Hello all,
I have tried everything and can't get past this issue. Here is a my
error and the simple code example....
Using Android 2.2..
java.lang.RuntimeException: Unable to start activity
ComponentInfo{com.arcdroid.Vars/com.arcdroid.Vars.HelloApplication}:
java.lang.ClassCastException: android.app.Application
E/AndroidRuntime( 2231): at
android.app.ActivityThread.performLaunchActivity(ActivityThread.java:
1647)
E/AndroidRuntime( 2231): at
android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:
1663)
E/AndroidRuntime( 2231): at android.app.ActivityThread.access
$1500(ActivityThread.java:117)
E/AndroidRuntime( 2231): at android.app.ActivityThread
$H.handleMessage(ActivityThread.java:931)
E/AndroidRuntime( 2231): at
android.os.Handler.dispatchMessage(Handler.java:99)
E/AndroidRuntime( 2231): at android.os.Looper.loop(Looper.java:123)
E/AndroidRuntime( 2231): at
android.app.ActivityThread.main(ActivityThread.java:3683)
E/AndroidRuntime( 2231): at
java.lang.reflect.Method.invokeNative(Native Method)
E/AndroidRuntime( 2231): at
java.lang.reflect.Method.invoke(Method.java:507)
E/AndroidRuntime( 2231): at com.android.internal.os.ZygoteInit
$MethodAndArgsCaller.run(ZygoteInit.java:839)
E/AndroidRuntime( 2231): at
com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
E/AndroidRuntime( 2231): at dalvik.system.NativeStart.main(Native
Method)
E/AndroidRuntime( 2231): Caused by: java.lang.ClassCastException:
android.app.Application
E/AndroidRuntime( 2231): at
com.arcdroid.Vars.HelloApplication.onCreate(HelloApplication.java:13)
E/AndroidRuntime( 2231): at
android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:
1047)
E/AndroidRuntime( 2231): at
android.app.ActivityThread.performLaunchActivity(ActivityThread.java:
1611)
package com.arcdroid.Vars;
import android.app.Application;
public class MyApp extends Application {
public MyApp() {
// TODO Auto-generated constructor stub
}
private String myState;
public String getState(){
return myState;
}
public void setState(String s){
myState = s;
}
}
package com.arcdroid.Vars;
import android.app.Activity;
import android.app.Application;
import android.os.Bundle;
public class HelloApplication extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
MyApp appState = ((MyApp)getApplicationContext());
// String state = appState.getState();
}
}
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android";
package="com.arcdroid.Vars"
android:versionCode="1"
android:versionName="1.0">
<application android:icon="@drawable/icon" android:label="@string/
app_name">
<activity android:name=".HelloApplication"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category
android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name=".MyApp" />
</application>
</manifest>
Thanks in advance...
http://www.arcdroid.com
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