Hallo ich programmiere zur zeit an einer App nun ist aber mir passiert das ich ein layout und classe gemacht habe ,
seit dem stürzt sich immer ab wenn ich sie starte!
Bitte Hilft mir .
ps. Danke in Voraus
MainActivity(MainScreen)
package de.android.light4kdesign;
import de.android.light4kdesign.Versionsite;
import android.app.Activity;
import android.app.Fragment;
import android.content.Intent;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.View.OnClickListener;
import android.widget.Button;
public class MainScreen extends Activity implements OnClickListener {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main_screen);
Button button = (Button) findViewById (R.id.Versionbutton);
button.setOnClickListener(this);
if (savedInstanceState == null) {
getFragmentManager().beginTransaction()
.add(R.id.container, new PlaceholderFragment())
.commit();
}
}
public static class PlaceholderFragment extends Fragment {
public PlaceholderFragment() {
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragment_main_screen, container, false);
return rootView;
}
}@Override
public void onClick(View v) {
// TODO Auto-generated method stub
startActivity(new Intent(this,Versionsite.class));
}
}
Andere Class
package de.android.light4kdesign;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Vibrator;
import android.view.KeyEvent;
public class Versionsite extends Activity{
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.versionsite);
Vibrator vibrator = (Vibrator) getSystemService(Versionsite.VIBRATOR_SERVICE);
vibrator.vibrate(2000);
Toast.makeText(getApplicationContext(), "That was Screet!", 5000).show();
}
public boolean onKeyDown (int keycode,KeyEvent event) {
if (keycode == KeyEvent.KEYCODE_BACK){
setContentView(R.layout.fragment_main_screen);
startActivity(new Intent(Versionsite.this,MainScreen.class));
}
return false;
}
}
Layout 2 (Versionsite.xml)
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="htttp://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:text="@string/appversion"
android:textSize="20sp" />
</RelativeLayout>
Mainfest
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="htttp://schemas.android.com/apk/res/android"
package="de.android.light4kdesign"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="16"
android:targetSdkVersion="19" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.VIBRATE" />
<uses-permission android:name="android.permission.WAKE_LOCK" />
<uses-permission android:name="android.permission.CHANGE_WIFI_MULTICAST_STATE" />
<uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="de.android.light4kdesign.MainScreen"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
Danke in Voraus
Bitte Hilft mir
