痞客興的部落格

package com.example.radiobutton;

import android.app.*;

package com.example.checkbox;

import android.app.*;

package com.example.disablebtn;

package com.example.fontsetting2;

import android.app.*;

package com.example.fontsetting;

import android.app.*;

package com.example.keyboardlistener;

import android.app.*;

package com.example.screenlistener;

import android.app.*;

package com.example.btnlistener2;

import android.app.*;

package com.example.btnlistener;

import android.app.*;

package com.example.tablelayout;

import android.app.*;

package com.example.addmultibtn;

import android.app.*;

package com.example.addbtn;

import android.app.*;

package com.example.addmultitext; import android.app.*; import android.os.*; import android.widget.*; import android.view.Menu; public class MainActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); LinearLayout ll = new LinearLayout(this); ll.setOrientation(LinearLayout.VERTICAL); setContentView(ll); TextView tv1 = new TextView(this); tv1.setText("歡迎使用Android!"); TextView tv2 = new TextView(this); tv2.setText("再次感謝使用Android!"); ll.addView(tv1); ll.addView(tv2); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; } }

package com.example.addtext;

import android.app.*;

package com.example.helloworld;

import android.os.Bundle;

1.先到Oracle網站http://www.oracle.com/technetwork/java/javase/downloads/index.html下載安裝JDK並安裝.
2.設定JAVA的系統環境路徑