MainFragment.java

package com.anysoftkeyboard.ui.settings;

import android.content.Context;
import android.content.Intent;
import android.graphics.drawable.AnimationDrawable;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.text.SpannableStringBuilder;
import android.text.Spanned;
import android.text.method.LinkMovementMethod;
import android.text.style.ClickableSpan;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;

import com.anysoftkeyboard.theme.KeyboardTheme;
import com.anysoftkeyboard.theme.KeyboardThemeFactory;
import com.anysoftkeyboard.ui.settings.setup.SetUpKeyboardWizardFragment;
import com.anysoftkeyboard.ui.settings.setup.SetupSupport;
import com.anysoftkeyboard.ui.tutorials.ChangeLogFragment;
import com.anysoftkeyboard.ui.tutorials.TipsFragment;
import com.menny.android.anysoftkeyboard.R;

import net.evendanan.pushingpixels.FragmentChauffeurActivity;
import net.evendanan.pushingpixels.PassengerFragmentSupport;

public class MainFragment extends Fragment {

    private static final String TAG = "MainFragment";
    private AnimationDrawable mNotConfiguredAnimation = null;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        return inflater.inflate(R.layout.main_fragment, container, false);
    }

    @Override
    public void onViewCreated(View view, Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);
        if (savedInstanceState == null) {
            //I to prevent leaks and duplicate ID errors, I must use the getChildFragmentManager
            //to add the inner fragments into the UI.
            //See: https://github.com/AnySoftKeyboard/AnySoftKeyboard/issues/285
            FragmentManager fragmentManager = getChildFragmentManager();
            fragmentManager.beginTransaction()
                    //.replace(R.id.change_log_fragment, new ChangeLogFragment.CardedChangeLogFragment())
                    .replace(R.id.tip_fragment, new TipsFragment.RandomTipFragment())
                    .commit();
        }
    }

    @Override
    public void onViewStateRestored(Bundle savedInstanceState) {
        super.onViewStateRestored(savedInstanceState);
        //I'm doing the setup of the link in onViewStateRestored, since the links will be restored too
        //and they will probably refer to a different scoop (Fragment).
        //setting up the underline and click handler in the keyboard_not_configured_box layout
        TextView clickHere = (TextView) getView().findViewById(R.id.not_configured_click_here);
        mNotConfiguredAnimation = clickHere.getVisibility() == View.VISIBLE?
                (AnimationDrawable)clickHere.getCompoundDrawables()[0] : null;

        String fullText = getString(R.string.not_configured_with_click_here);
        String justClickHereText = getString(R.string.not_configured_with_just_click_here);
        SpannableStringBuilder sb = new SpannableStringBuilder(fullText);
        // Get the index of "click here" string.
        int start = fullText.indexOf(justClickHereText);
        int length = justClickHereText.length();
        if (start == -1) {
            //this could happen when the localization is not correct
            start = 0;
            length = fullText.length();
        }
        ClickableSpan csp = new ClickableSpan() {
            @Override
            public void onClick(View v) {
                FragmentChauffeurActivity activity = (FragmentChauffeurActivity) getActivity();
                activity.addFragmentToUi(new SetUpKeyboardWizardFragment(),
                        FragmentChauffeurActivity.FragmentUiContext.ExpandedItem,
                        v);
            }
        };
        sb.setSpan(csp, start, start + length, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
        clickHere.setMovementMethod(LinkMovementMethod.getInstance());
        clickHere.setText(sb);

        ClickableSpan gplusLink = new ClickableSpan() {
            @Override
            public void onClick(View widget) {
                Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(getResources().getString(R.string.main_site_url)));
                startActivity(browserIntent);
            }
        };
        setupLink(getView(), R.id.ask_gplus_link, gplusLink, false);

        ClickableSpan openSettingsLink = new ClickableSpan() {
            @Override
            public void onClick(View widget) {
                MainSettingsActivity mainSettingsActivity = (MainSettingsActivity) getActivity();
	            mainSettingsActivity.openDrawer();
            }
        };
        setupLink(getView(), R.id.open_settings_view, openSettingsLink, false);
    }

    public static void setupLink(View root, int showMoreLinkId, ClickableSpan clickableSpan, boolean reorderLinkToLastChild) {
        TextView clickHere = (TextView) root.findViewById(showMoreLinkId);
        if (reorderLinkToLastChild) {
            ViewGroup rootContainer = (ViewGroup)root;
            rootContainer.removeView(clickHere);
            rootContainer.addView(clickHere);
        }

        SpannableStringBuilder sb = new SpannableStringBuilder(clickHere.getText());
        sb.clearSpans();//removing any previously (from instance-state) set click spans.
        sb.setSpan(clickableSpan, 0, clickHere.getText().length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
        clickHere.setMovementMethod(LinkMovementMethod.getInstance());
        clickHere.setText(sb);
    }

    @Override
    public void onStart() {
        super.onStart();
        PassengerFragmentSupport.setActivityTitle(this, getString(R.string.how_to_pointer_title));

        View notConfiguredBox = getView().findViewById(R.id.not_configured_click_here);
        //checking if the IME is configured
        final Context context = getActivity().getApplicationContext();
        //checking the default IME
        final boolean isDefaultIME;
        isDefaultIME = SetupSupport.isThisKeyboardSetAsDefaultIME(context);

        if (isDefaultIME) {
            notConfiguredBox.setVisibility(View.GONE);
        } else {
            notConfiguredBox.setVisibility(View.VISIBLE);
        }

        //updating the keyboard layout to the current theme screen shot (if exists).
        KeyboardTheme theme = KeyboardThemeFactory.getCurrentKeyboardTheme(getActivity().getApplicationContext());
        if (theme == null)
            theme = KeyboardThemeFactory.getFallbackTheme(getActivity().getApplicationContext());
        Drawable themeScreenShot = theme.getScreenshot();

        ImageView screenShotHolder = (ImageView) getView().findViewById(R.id.keyboard_screen_shot);
        if (themeScreenShot == null)
            screenShotHolder.setBackgroundResource(R.drawable.lean_dark_theme_screenshot);
        else
            screenShotHolder.setImageDrawable(themeScreenShot);

        if (mNotConfiguredAnimation != null)
            mNotConfiguredAnimation.start();
    }


}