Java tutorial
/* * Copyright (C) 2015 Willi Ye * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.grarak.rom.switcher; import android.app.Fragment; import android.content.Intent; import android.content.res.Configuration; import android.graphics.LightingColorFilter; import android.os.AsyncTask; import android.os.Bundle; import android.support.v4.view.GravityCompat; import android.support.v4.widget.DrawerLayout; import android.support.v7.app.ActionBar; import android.support.v7.app.ActionBarActivity; import android.support.v7.app.ActionBarDrawerToggle; import android.support.v7.widget.Toolbar; import android.util.Log; import android.view.Gravity; import android.view.MenuItem; import android.view.View; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.ListView; import android.widget.ProgressBar; import com.google.android.gms.ads.AdRequest; import com.google.android.gms.ads.AdView; import com.grarak.rom.switcher.elements.ListAdapter; import com.grarak.rom.switcher.elements.ScrimInsetsFrameLayout; import com.grarak.rom.switcher.fragments.AboutusFragment; import com.grarak.rom.switcher.fragments.FAQFragment; import com.grarak.rom.switcher.fragments.InformationFragment; import com.grarak.rom.switcher.fragments.InstallationFragment; import com.grarak.rom.switcher.fragments.ROMFragment; import com.grarak.rom.switcher.fragments.RecoveryFragment; import com.grarak.rom.switcher.utils.Constants; import com.grarak.rom.switcher.utils.Utils; import com.grarak.rom.switcher.utils.root.RootUtils; import java.util.ArrayList; import java.util.List; public class MainActivity extends ActionBarActivity implements Constants { private boolean hasRoot; private boolean hasBusybox; private String mTitle; public static Toolbar toolbar; private ProgressBar progressBar; private ActionBarDrawerToggle mDrawerToggle; private DrawerLayout mDrawerLayout; private ScrimInsetsFrameLayout mScrimInsetsFrameLayout; private ListView mDrawerList; private AdView mAdView; private List<ListAdapter.ListItem> mList = new ArrayList<>(); private int cur_position; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); toolbar = (Toolbar) findViewById(R.id.toolbar); setSupportActionBar(toolbar); progressBar = new ProgressBar(this); progressBar.getIndeterminateDrawable().setColorFilter( new LightingColorFilter(0xFF000000, getResources().getColor(android.R.color.white))); ActionBar actionBar = getSupportActionBar(); actionBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM, ActionBar.DISPLAY_SHOW_CUSTOM); actionBar.setCustomView(progressBar, new ActionBar.LayoutParams(ActionBar.LayoutParams.WRAP_CONTENT, ActionBar.LayoutParams.WRAP_CONTENT, Gravity.CENTER_VERTICAL | Gravity.END)); new Task().execute(); } private void setView() { mScrimInsetsFrameLayout = (ScrimInsetsFrameLayout) findViewById(R.id.scrimInsetsFrameLayout); mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout); mDrawerLayout.setStatusBarBackgroundColor(getResources().getColor(R.color.color_primary_dark)); mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START); mDrawerList = (ListView) findViewById(R.id.listview_drawer); mAdView = (AdView) findViewById(R.id.adView); } private void setList() { mList.clear(); mList.add(new ListAdapter.MainHeader()); mList.add(new ListAdapter.Header(getString(R.string.general))); mList.add(new ListAdapter.Item(getString(R.string.information), new InformationFragment())); boolean supported = Utils.getDevicesJson(this).isSupported(); if (supported) { mList.add(new ListAdapter.Item(getString(R.string.installation), new InstallationFragment())); if (Utils.isInstalled()) { mList.add(new ListAdapter.Item(getString(R.string.recovery), new RecoveryFragment())); mList.add(new ListAdapter.Header(getString(R.string.roms))); mList.add(new ListAdapter.Item(getString(R.string.internal_storage), ROMFragment.newInstance(ROMFragment.STORAGE.INTERNAL))); if (Utils.getDevicesJson(this).hasExternalStorage()) mList.add(new ListAdapter.Item(getString(R.string.external_storage), ROMFragment.newInstance(ROMFragment.STORAGE.EXTERNAL))); } } mList.add(new ListAdapter.Header(getString(R.string.other))); if (supported && Utils.getDevicesJson(this).hasFaq()) mList.add(new ListAdapter.Item(getString(R.string.faq), new FAQFragment())); mList.add(new ListAdapter.Item(getString(R.string.about_us), new AboutusFragment())); } private void setInterface() { mScrimInsetsFrameLayout.setLayoutParams(getDrawerParams()); mDrawerList.setAdapter(new ListAdapter.Adapter(this, mList)); mDrawerList.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { selectItem(position); } }); mDrawerToggle = new ActionBarDrawerToggle(MainActivity.this, mDrawerLayout, toolbar, 0, 0) { @Override public void onDrawerClosed(View drawerView) { getSupportActionBar().setTitle(mTitle); } @Override public void onDrawerOpened(View drawerView) { getSupportActionBar().setTitle(getString(R.string.app_name)); } }; mDrawerLayout.setDrawerListener(mDrawerToggle); mDrawerLayout.post(new Runnable() { @Override public void run() { if (mDrawerToggle != null) mDrawerToggle.syncState(); } }); AdRequest adRequest = new AdRequest.Builder().build(); mAdView.loadAd(adRequest); } private class Task extends AsyncTask<Void, Void, String> { @Override protected void onPreExecute() { super.onPreExecute(); setView(); } @Override protected String doInBackground(Void... params) { if (RootUtils.rooted()) hasRoot = RootUtils.rootAccess(); if (hasRoot) hasBusybox = RootUtils.busyboxInstalled(); if (hasRoot && hasBusybox) { RootUtils.su = new RootUtils.SU(); setList(); } return null; } @Override protected void onPostExecute(String s) { super.onPostExecute(s); if (!hasRoot || !hasBusybox) { Intent i = new Intent(MainActivity.this, TextActivity.class); Bundle args = new Bundle(); args.putString(TextActivity.ARG_TEXT, !hasRoot ? getString(R.string.no_root) : getString(R.string.no_busybox)); Log.d(TAG, !hasRoot ? getString(R.string.no_root) : getString(R.string.no_busybox)); i.putExtras(args); startActivity(i); cancel(true); finish(); return; } setInterface(); try { ((ViewGroup) progressBar.getParent()).removeView(progressBar); } catch (NullPointerException e) { e.printStackTrace(); } selectItem(2); } } private void selectItem(int position) { Fragment fragment = mList.get(position).getFragment(); if (fragment == null || cur_position == position) { mDrawerList.setItemChecked(cur_position, true); return; } mDrawerLayout.closeDrawer(mScrimInsetsFrameLayout); cur_position = position; try { Log.i(TAG, "Open postion " + position + ": " + mList.get(position).getTitle()); getFragmentManager().beginTransaction().replace(R.id.content_frame, fragment).commitAllowingStateLoss(); } catch (Exception e) { e.printStackTrace(); } setTitle(mList.get(position).getTitle()); mDrawerList.setItemChecked(position, true); } @Override public void setTitle(CharSequence title) { mTitle = title.toString(); getSupportActionBar().setTitle(mTitle); } @Override public boolean onOptionsItemSelected(MenuItem item) { return mDrawerToggle.onOptionsItemSelected(item); } @Override public void onBackPressed() { if (mDrawerLayout.isDrawerOpen(mScrimInsetsFrameLayout)) super.onBackPressed(); else mDrawerLayout.openDrawer(mScrimInsetsFrameLayout); } @Override public void onConfigurationChanged(Configuration newConfig) { super.onConfigurationChanged(newConfig); if (mScrimInsetsFrameLayout != null) mScrimInsetsFrameLayout.setLayoutParams(getDrawerParams()); if (mDrawerToggle != null) mDrawerToggle.onConfigurationChanged(newConfig); } @Override protected void onResume() { super.onResume(); mAdView.resume(); } @Override protected void onPause() { mAdView.pause(); super.onPause(); } @Override protected void onDestroy() { mAdView.destroy(); if (RootUtils.su != null) RootUtils.su.close(); super.onDestroy(); } private DrawerLayout.LayoutParams getDrawerParams() { boolean tablet = Utils.isTablet(this); DrawerLayout.LayoutParams params = (DrawerLayout.LayoutParams) mScrimInsetsFrameLayout.getLayoutParams(); int width = getResources().getDisplayMetrics().widthPixels; if (Utils.getScreenOrientation(this) == Configuration.ORIENTATION_LANDSCAPE) { params.width = width / 2; if (tablet) params.width -= Utils.getActionBarHeight(this) + 30; } else { params.width = tablet ? width / 2 : width - Utils.getActionBarHeight(this); } return params; } }