Activity 界面跳转

  /*    //生成一个对象
            Intent intent =new Intent();
           //跳转Activity参数
            intent.setClass(MainActivity.this,Ziyemian.class);
            MainActivity.this.startActivity(intent);*/
    
            Intent intent=new Intent(MainActivity.this, Ziyemian.class);
            startActivity(intent);

//重写onCreate
 @Override
    protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
   //路径.xml文件名

        Edit=(EditText)findViewById(R.id.Edit);
        Edit2=(EditText)findViewById(R.id.Edit2);
        MyText=(TextView)findViewById(R.id.MyText);
        MyBotton=(Button)findViewById(R.id.MyButton);
       //获取XML控件定义的ID

      MyText.setText(R.string.MyText);
      MyBotton.setText(R.string.MyBotton);
     //