android.widget.ViewSwitcher#setVisibility ( )源码实例Demo

@Override
public void onPreExecute() {
    MainActivity activity = (MainActivity) mActivity.get();

    ((DrawerLayout) activity.drawer).setDrawerLockMode(DrawerLayout.LOCK_MODE_UNLOCKED);
    mFragment.get().enablePullToRefresh(true);
    activity.findViewById(R.id.refresh_fab).setEnabled(true);
    ((RefreshIcon) activity.findViewById(R.id.refresh_fab)).show();
    activity.invalidateOptionsMenu();

    ViewSwitcher viewSwitcher = activity.findViewById(R.id.switcher);
    EditText newLyrics = activity.findViewById(R.id.edit_lyrics);

    viewSwitcher.setVisibility(View.VISIBLE);
    newLyrics.setVisibility(View.GONE);
}
 

private void init(Context context) {

        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);

        boolean isPeekDisabled = preferences.getBoolean(PreferenceKeys.PREF_DISABLE_PEEK, false);
        String quietHourStr = preferences
                .getString(PreferenceKeys.PREF_QUIET_HOUR, PreferenceKeys.PREF_QUIET_HOUR_DEF);
        boolean isQuietHourSet = !quietHourStr.equals(PreferenceKeys.PREF_QUIET_HOUR_DEF);

        mOptionsShowing = !(isPeekDisabled || isQuietHourSet);
        mQuietHour = QuietHour.createQuietHour(quietHourStr);

        LayoutInflater.from(context).inflate(R.layout.everything_card, this, true);
        mPanelSwitcher = (ViewSwitcher) findViewById(R.id.view_switcher);
        if (!mOptionsShowing) {
            mPanelSwitcher.setVisibility(GONE);
        }

        mFromBtn = (Button) findViewById(R.id.quiet_hour_from_btn);
        mFromBtn.setOnClickListener(this);

        mToBtn = (Button) findViewById(R.id.quiet_hour_to_btn);
        mToBtn.setOnClickListener(this);

        Button mQuietHourBtn = (Button) findViewById(R.id.quiet_hour_btn);
        mQuietHourBtn.setOnClickListener(this);

        Button mDisableBtn = (Button) findViewById(R.id.as_is_btn);
        mDisableBtn.setOnClickListener(this);

        mFromToText = (TextView) findViewById(R.id.from_to_text);
        if (isQuietHourSet) {
            displayTime();
        }
        mFromToText.setOnClickListener(this);
    }
 

private void startEditTagsMode() {
    ImageButton editButton = getActivity().findViewById(R.id.edit_tags_btn);
    editButton.setImageResource(R.drawable.ic_edit_anim);
    ((Animatable) editButton.getDrawable()).start();

    ((DrawerLayout) ((MainActivity) getActivity()).drawer).setDrawerLockMode(DrawerLayout.LOCK_MODE_LOCKED_CLOSED);
    mRefreshLayout.setEnabled(false);
    getActivity().findViewById(R.id.refresh_fab).setEnabled(false);
    ((RefreshIcon) getActivity().findViewById(R.id.refresh_fab)).hide();
    ((Toolbar) getActivity().findViewById(R.id.toolbar)).getMenu().clear();

    ViewSwitcher viewSwitcher = getActivity().findViewById(R.id.switcher);
    EditText songTV = getActivity().findViewById(R.id.song);
    TextView artistTV = getActivity().findViewById(R.id.artist);

    EditText newLyrics = getActivity().findViewById(R.id.edit_lyrics);
    newLyrics.setTypeface(LyricsTextFactory.FontCache.get("light", getActivity()));
    newLyrics.setText(Html.fromHtml(TextUtils.isEmpty(mLyrics.getText()) ? "" : mLyrics.getText()), TextView.BufferType.EDITABLE);

    viewSwitcher.setVisibility(View.GONE);
    newLyrics.setVisibility(View.VISIBLE);

    songTV.setInputType(InputType.TYPE_CLASS_TEXT);
    artistTV.setInputType(InputType.TYPE_CLASS_TEXT);
    songTV.setBackgroundResource(R.drawable.abc_textfield_search_material);
    artistTV.setBackgroundResource(R.drawable.abc_textfield_search_material);


    if (songTV.requestFocus()) {
        InputMethodManager imm = (InputMethodManager)
                getActivity().getApplicationContext().getSystemService(Context.INPUT_METHOD_SERVICE);
        imm.toggleSoftInput(InputMethodManager.SHOW_FORCED, InputMethodManager.SHOW_IMPLICIT);
    }
}