TextSwitcher 翻譯“文本轉換開關”,顧名思義:該轉換開關是轉換TextView的。開關,意思很明確,必定只有2個文本,一個展示(即“開”),一個隱藏(即“關”)。
2. 簡單示例:
java代碼:
View rootView = inflater.inflate(R.layout.fragment_main, container, false); final TextSwitcher switcher = (TextSwitcher)rootView.findViewById(R.id.textswitcher); final TextView firsttext = new TextView(PlaceholderFragment.this.getActivity()); firsttext.setId(123); final TextView secondtext = new TextView(PlaceholderFragment.this.getActivity()); secondtext.setId(456); switcher.addView(firsttext, 0); switcher.addView(secondtext,1); Button button = (Button)rootView.findViewById(R.id.myButton); button.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View arg0) { int xx = switcher.getCurrentView().getId(); Log.i("textswitcher的當前view的id是",""+xx); if(xx==123){ switcher.setText("123123213"); }else if(xx == 456){ switcher.setText("9999993"); } } }); return rootView; 3.定義佈局文件如下:(定義一個textswitcher即可)
<TextSwitcher android:id="@+id/textswitcher"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
>
</TextSwitcher>