Java tutorial
/* * Copyright (c) linroid 2015. * * 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.linroid.pushapp.ui.home; import android.app.AlertDialog; import android.content.DialogInterface; import android.content.Intent; import android.content.SharedPreferences; import android.os.Bundle; import android.support.design.widget.FloatingActionButton; import android.support.design.widget.Snackbar; import android.support.design.widget.TabLayout; import android.support.v4.view.ViewCompat; import android.support.v4.view.ViewPager; import android.support.v7.widget.Toolbar; import android.view.Menu; import android.view.MenuItem; import android.view.View; import com.linroid.pushapp.App; import com.linroid.pushapp.BuildConfig; import com.linroid.pushapp.Constants; import com.linroid.pushapp.R; import com.linroid.pushapp.api.FirService; import com.linroid.pushapp.model.Account; import com.linroid.pushapp.model.FirVersion; import com.linroid.pushapp.service.ApkAutoInstallService; import com.linroid.pushapp.ui.base.BaseActivity; import com.linroid.pushapp.ui.bind.BindActivity; import com.linroid.pushapp.ui.setting.SettingActivity; import com.linroid.pushapp.util.AndroidUtil; import com.linroid.pushapp.util.IntentUtil; import com.linroid.pushapp.util.Once; import javax.inject.Inject; import butterknife.Bind; import rx.Subscriber; import rx.Subscription; import rx.android.schedulers.AndroidSchedulers; import timber.log.Timber; public class HomeActivity extends BaseActivity { public static final String EXTRA_MESSAGE = "message"; private static final String STATE_PAGER_POSITION = "pager_position"; @Bind(R.id.tabLayout) TabLayout tabLayout; @Bind(R.id.viewpager) ViewPager pager; @Bind(R.id.toolbar) protected Toolbar toolbar; @Bind(R.id.fab) FloatingActionButton fab; @Inject Account auth; @Inject SharedPreferences preferences; @Inject Once once; @Inject FirService firApi; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); App.from(this).component().inject(this); checkBind(); checkVersion(); if (toolbar != null) { setSupportActionBar(toolbar); ViewCompat.setElevation(toolbar, 0); } pager.setAdapter(new HomePagerAdapter(getSupportFragmentManager(), getResources())); tabLayout.setupWithViewPager(pager); pager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() { @Override public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) { if (position == 1) { if (positionOffset > 0.5f) { if (!fab.isShown()) { fab.setVisibility(View.VISIBLE); } float scale = (positionOffset - 0.5f) * 2; fab.setScaleX(scale); fab.setScaleY(scale); return; } } if (position != 2 && fab.isShown()) { fab.setVisibility(View.GONE); } } @Override public void onPageSelected(int position) { } @Override public void onPageScrollStateChanged(int state) { } }); if (savedInstanceState != null) { int pagerPosition = savedInstanceState.getInt(STATE_PAGER_POSITION); pager.setCurrentItem(pagerPosition); } } @Override protected void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); outState.putInt(STATE_PAGER_POSITION, pager.getCurrentItem()); } private void checkAccessibilityService() { // boolean confirmed = preferences.getBoolean(Constants.SP_AUTO_INSTALL_CONFIRMED, false); if (ApkAutoInstallService.available() && !AndroidUtil.isAccessibilitySettingsOn(this, ApkAutoInstallService.class.getCanonicalName())) { new AlertDialog.Builder(this).setTitle(R.string.title_auto_install_confirm_dialog) .setMessage(R.string.msg_auto_install_confirm_dialog) .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { // SharedPreferences.Editor editor = preferences.edit(); // editor.putBoolean(Constants.SP_AUTO_INSTALL_CONFIRMED, true); //// editor.putBoolean(Constants.SP_AUTO_INSTALL, true); // editor.apply(); dialog.cancel(); startActivityForResult(IntentUtil.accessibilitySettings(), 0); } }).setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { // preferences.edit().putBoolean(Constants.SP_AUTO_INSTALL_CONFIRMED, true).apply(); Snackbar.make(pager, R.string.msg_auto_install_confirm_cancel, Snackbar.LENGTH_LONG); } }).show(); } } private void checkBind() { if (!auth.isValid()) { Timber.w("device does not bind"); Intent intent = new Intent(this, BindActivity.class); startActivity(intent); overridePendingTransition(0, 0); finish(); } } @Override protected void onResume() { super.onResume(); } @Override public void onStart() { super.onStart(); checkAccessibilityService(); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); if (resultCode == RESULT_OK) { if (data != null && data.hasExtra(EXTRA_MESSAGE)) { Snackbar.make(pager, data.getStringExtra(EXTRA_MESSAGE), Snackbar.LENGTH_SHORT).show(); } } } @Override protected int provideContentViewId() { return R.layout.activity_home; } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.home, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { if (item.getItemId() == R.id.action_settings) { Intent intent = new Intent(this, SettingActivity.class); startActivity(intent); } else if (item.getItemId() == R.id.action_device_qrcode) { // LayoutInflater inflater = LayoutInflater.from(this); // View view = inflater.inflate(R.layout.dialog_device_token, null); // // getWindow().addContentView(view, new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT)); new DeviceTokenDialog().show(getSupportFragmentManager(), null); } return super.onOptionsItemSelected(item); } public void checkVersion() { Subscription subscription = firApi.lastVersion(BuildConfig.APPLICATION_ID) .observeOn(AndroidSchedulers.mainThread()).subscribe(new Subscriber<FirVersion>() { @Override public void onCompleted() { } @Override public void onError(Throwable e) { } @Override public void onNext(final FirVersion version) { if (!(version.getVersion() > BuildConfig.VERSION_CODE)) { once.show(getString(R.string.once_version, version.getVersion()), new Once.OnceCallback() { @Override public void onOnce() { Snackbar.make(fab, getString(R.string.msg_new_version, version.getVersionShort()), Snackbar.LENGTH_INDEFINITE) .setAction(R.string.btn_update_version, new View.OnClickListener() { @Override public void onClick(View v) { startActivity(IntentUtil .openUri(version.getUpdateUrl())); } }) .show(); } }); } } }); addSubscription(subscription); } }