org.fox.ttcomics/src/main/java/org/fox/ttcomics2/PreferencesActivity.java


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package org.fox.ttcomics2;

import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.os.Environment;
import android.preference.PreferenceManager;
import android.support.v7.widget.Toolbar;
import android.util.Log;
import android.view.MenuItem;

public class PreferencesActivity extends CommonActivity {
	@Override
    public void onCreate(Bundle savedInstanceState) {
        // we use that before parent onCreate so let's init locally
        m_prefs = PreferenceManager
                .getDefaultSharedPreferences(getApplicationContext());

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_preferences);
        setSupportActionBar((Toolbar) findViewById(R.id.toolbar));;

        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        getSupportActionBar().setHomeButtonEnabled(true);

        android.app.FragmentTransaction ft = getFragmentManager().beginTransaction();

        ft.replace(R.id.preferences_container, new PreferencesFragment());
        ft.commit();
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            case android.R.id.home:
                onBackPressed();
                return true;
            default:
                return super.onOptionsItemSelected(item);
        }
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        if(requestCode == DirectoryPicker.PICK_DIRECTORY && resultCode == RESULT_OK) {
            Bundle extras = data.getExtras();
            String path = (String) extras.get(DirectoryPicker.CHOSEN_DIRECTORY);

            SharedPreferences prefs = PreferenceManager
                    .getDefaultSharedPreferences(getApplicationContext());

            SharedPreferences.Editor editor = prefs.edit();
            editor.putString("comics_directory", path);
            editor.apply();

        }
    }

    public void startPicker() {
        Intent intent = new Intent(PreferencesActivity.this, DirectoryPicker.class);

        SharedPreferences prefs = PreferenceManager
                .getDefaultSharedPreferences(getApplicationContext());

        intent.putExtra(DirectoryPicker.START_DIR, prefs.getString("comics_directory",
                Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS).getAbsolutePath()));

        startActivityForResult(intent, DirectoryPicker.PICK_DIRECTORY);
    }
}