[問題] Layout不能切換
各位dev好，最近我在嘗試：按下不同的button，會切換Layout
那目前遇到的problem是，
假設我按了button1 --> 成功切換至 Layout_1
接著我按了button2 --> 並不會從 Layout_1 切換至 Layout_2
畫面就一直停在 Layout_1
======= 以下為code的主要部份:
public class MainActivity extends Activity {
int[] imgId = {R.drawable.building};
private Button btn_1,btn_2;
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
setTitle("首頁");
btn_1 = (Button)findViewById(R.id.button1);
btn_2 = (Button)findViewById(R.id.button2);
btn_1.setOnClickListener(myLister); //將這兩個button共用同一個Listener
btn_2.setOnClickListener(myLister);
}
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;
}
//以下是我困惑的地方，不知道是否何處有寫錯?
public Button.OnClickListener myLister = new Button.OnClickListener(){
public void onClick(View v){
switch (v.getId()){
case R.id.button1:{
setContentView(R.layout.layout1);
setTitle("Layout1");
break;
}
case R.id.button2:{
setContentView(R.layout.layout2);
setTitle("Layout2");
break;
}
}
}
};
}
===== End
想請問這寫法哪裡有誤? 謝謝
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