Android - Cheat Sheet

Hier gibt es nur Code Schnipsel zum Kopieren ohne Erklärung

Neue Activity

MyNameActivity.java // Class
activity_my_name.xml // Layout File
AndroidManifest.xml
strings.xml

Activity Class

package de.webmynet.android.myappname;

import android.app.Activity;
import android.os.Bundle;

public class MyNameActivity extends Activity{

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_my_name);
	}
}

Buttons verdrahten

import android.widget.Button;
public class MyNameActivity extends Activity implements OnClickListener {
	Button b1,b2;
...
		b1 = (Button)findViewById(R.id.b1); 
		b2 = (Button)findViewById(R.id.b2); 
		b1.setOnClickListener(this); 
		b2.setOnClickListener(this);
...
	@Override
	public void onClick(View v) {
		int id = v.getId();
		Intent i = null;
		switch (id){
		case R.id.b1:
			i = new Intent(this,OtherNameActivity.class);
			break;
		case R.id.b2:
			i = new Intent("de.webmynet.appname.OTHERNAME");//Variant with Manifest Activity Name
			break;

		default:
			break;
		}
		startActivity(i);
	}