Java tutorial
/* * Copyright 2015 Hippo Seven * * 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.hippo.nimingban.ui; import android.content.Intent; import android.os.Bundle; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentManager; import android.support.v4.app.FragmentTransaction; import android.text.TextUtils; import android.view.Gravity; import android.view.View; import com.hippo.nimingban.GuideHelper; import com.hippo.nimingban.R; import com.hippo.nimingban.client.data.Site; import com.hippo.nimingban.ui.fragment.BaseFragment; import com.hippo.nimingban.ui.fragment.FragmentHost; import com.hippo.nimingban.ui.fragment.PostFragment; import com.hippo.nimingban.ui.fragment.TypeSendFragment; import com.hippo.nimingban.util.Settings; import com.hippo.nimingban.widget.PostLayout; import com.hippo.yorozuya.LayoutUtils; import com.hippo.yorozuya.ResourcesUtils; public final class PostActivity extends SwipeBackActivity implements FragmentHost, PostFragment.Callback, TypeSendFragment.Callback { public static final String ACTION_POST = "com.hippo.nimingban.ui.PostActivity.action.POST"; public static final String ACTION_SITE_ID = "com.hippo.nimingban.ui.PostActivity.action.SITE_ID"; public static final String ACTION_SITE_REPLY_ID = "com.hippo.nimingban.ui.PostActivity.action.SITE_REPLY_ID"; public static final String KEY_POST = "post"; public static final String KEY_SITE = "site"; public static final String KEY_ID = "id"; public static final String TAG_FRAGMENT_POST = "post"; public static final String TAG_FRAGMENT_TYPE_SEND = "type_send"; private PostLayout mPostLayout; @Override protected int getLightThemeResId() { return Settings.getColorStatusBar() ? R.style.SwipeActivity : R.style.SwipeActivity_NoStatus; } @Override protected int getDarkThemeResId() { return Settings.getColorStatusBar() ? R.style.SwipeActivity_Dark : R.style.SwipeActivity_Dark_NoStatus; } private Bundle createArgs() { Bundle bundle = new Bundle(); Intent intent = getIntent(); if (intent != null) { bundle.putString(PostFragment.KEY_ACTION, intent.getAction()); bundle.putParcelable(PostFragment.KEY_DATA, intent.getData()); bundle.putInt(PostFragment.KEY_SITE, intent.getIntExtra(KEY_SITE, -1)); bundle.putString(PostFragment.KEY_ID, intent.getStringExtra(KEY_ID)); bundle.putParcelable(PostFragment.KEY_POST, intent.getParcelableExtra(KEY_POST)); } return bundle; } @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setStatusBarColor(ResourcesUtils.getAttrColor(this, R.attr.colorPrimaryDark)); setContentView(R.layout.activity_post); mPostLayout = (PostLayout) findViewById(R.id.fragment_container); if (mPostLayout != null) { if (savedInstanceState == null) { PostFragment postFragment = new PostFragment(); postFragment.setArguments(createArgs()); postFragment.setFragmentHost(this); postFragment.setCallback(this); FragmentTransaction transaction = getSupportFragmentManager().beginTransaction(); transaction.add(R.id.fragment_container, postFragment, TAG_FRAGMENT_POST); transaction.commitAllowingStateLoss(); } else { FragmentManager fragmentManager = getSupportFragmentManager(); PostFragment postFragment = (PostFragment) fragmentManager.findFragmentByTag(TAG_FRAGMENT_POST); if (postFragment != null) { postFragment.setFragmentHost(this); postFragment.setCallback(this); } TypeSendFragment typeSendFragment = (TypeSendFragment) fragmentManager .findFragmentByTag(TAG_FRAGMENT_TYPE_SEND); if (typeSendFragment != null) { typeSendFragment.setFragmentHost(this); typeSendFragment.setCallback(this); } } } } @Override public void onBackPressed() { FragmentManager fragmentManager = getSupportFragmentManager(); Fragment fragment = fragmentManager.findFragmentByTag(TAG_FRAGMENT_TYPE_SEND); if (fragment != null && fragment instanceof TypeSendFragment) { TypeSendFragment typeSendFragment = (TypeSendFragment) fragment; if (mPostLayout.getTypeSendState() == PostLayout.STATE_HIDE) { mPostLayout.showTypeSend(); } else if (typeSendFragment.checkBeforeFinish()) { typeSendFragment.getFragmentHost().finishFragment(typeSendFragment); } } else { super.onBackPressed(); } } private void showSwipeGuide() { new GuideHelper.Builder(this).setColor(ResourcesUtils.getAttrColor(this, R.attr.colorPrimary)) .setPadding(LayoutUtils.dp2pix(this, 16)).setMessagePosition(Gravity.TOP) .setMessage(getString(R.string.swipe_toolbar_hide_show)).setButton(getString(R.string.get_it)) .setBackgroundColor(0x73000000).setOnDissmisListener(new View.OnClickListener() { @Override public void onClick(View v) { Settings.putGuideTypeSend(false); } }).show(); } @Override public void reply(Site site, String id, String presetText, boolean report) { if (Settings.getGuideTypeSend()) { showSwipeGuide(); } FragmentManager fragmentManager = getSupportFragmentManager(); Fragment fragment = fragmentManager.findFragmentByTag(TAG_FRAGMENT_TYPE_SEND); if (fragment == null && !TextUtils.isEmpty(id)) { Bundle args = new Bundle(); args.putString(TypeSendFragment.KEY_ACTION, report ? TypeSendFragment.ACTION_REPORT : TypeSendFragment.ACTION_REPLY); args.putInt(TypeSendFragment.KEY_SITE, site.getId()); args.putString(TypeSendFragment.KEY_ID, id); args.putString(TypeSendFragment.KEY_TEXT, presetText); TypeSendFragment typeSendFragment = new TypeSendFragment(); typeSendFragment.setArguments(args); typeSendFragment.setFragmentHost(this); typeSendFragment.setCallback(this); FragmentTransaction transaction = getSupportFragmentManager().beginTransaction(); transaction.setCustomAnimations(R.anim.fragment_translate_in, R.anim.fragment_translate_out); transaction.add(R.id.fragment_container, typeSendFragment, TAG_FRAGMENT_TYPE_SEND); transaction.commitAllowingStateLoss(); getSwipeBackLayout().setSwipeEnabled(false); } } @Override public void onClickBack(TypeSendFragment fragment) { if (fragment.checkBeforeFinish()) { fragment.getFragmentHost().finishFragment(fragment); } else { mPostLayout.showTypeSend(); } } @Override public void finishFragment(BaseFragment fragment) { if (fragment instanceof PostFragment) { finish(); } else if (fragment instanceof TypeSendFragment) { FragmentManager fragmentManager = getSupportFragmentManager(); FragmentTransaction transaction = fragmentManager.beginTransaction(); transaction.setCustomAnimations(R.anim.fragment_translate_in, R.anim.fragment_translate_out); transaction.remove(fragment); transaction.commitAllowingStateLoss(); getSwipeBackLayout().setSwipeEnabled(true); mPostLayout.onRemoveTypeSend(); } } }