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#18 Finished novel review reply list activity
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313
...NovelLibrary/app/src/main/java/org/mewx/wenku8/activity/NovelReviewReplyListActivity.java
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| Original file line number | Diff line number | Diff line change |
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| package org.mewx.wenku8.activity; | ||
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| import android.content.ClipData; | ||
| import android.content.ClipboardManager; | ||
| import android.content.Context; | ||
| import android.graphics.PorterDuff; | ||
| import android.graphics.drawable.Drawable; | ||
| import android.os.AsyncTask; | ||
| import android.os.Build; | ||
| import android.os.Bundle; | ||
| import android.support.annotation.NonNull; | ||
| import android.support.design.widget.Snackbar; | ||
| import android.support.v4.content.ContextCompat; | ||
| import android.support.v4.widget.SwipeRefreshLayout; | ||
| import android.support.v7.app.AppCompatActivity; | ||
| import android.support.v7.widget.DividerItemDecoration; | ||
| import android.support.v7.widget.LinearLayoutManager; | ||
| import android.support.v7.widget.RecyclerView; | ||
| import android.support.v7.widget.Toolbar; | ||
| import android.util.Log; | ||
| import android.view.Menu; | ||
| import android.view.MenuItem; | ||
| import android.view.View; | ||
| import android.widget.LinearLayout; | ||
| import android.widget.TextView; | ||
| import android.widget.Toast; | ||
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| import com.readystatesoftware.systembartint.SystemBarTintManager; | ||
| import com.umeng.analytics.MobclickAgent; | ||
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| import org.mewx.wenku8.R; | ||
| import org.mewx.wenku8.adapter.ReviewReplyItemAdapter; | ||
| import org.mewx.wenku8.global.api.ReviewReplyList; | ||
| import org.mewx.wenku8.global.api.Wenku8API; | ||
| import org.mewx.wenku8.global.api.Wenku8Parser; | ||
| import org.mewx.wenku8.listener.MyItemLongClickListener; | ||
| import org.mewx.wenku8.util.LightNetwork; | ||
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| import java.lang.ref.WeakReference; | ||
| import java.nio.charset.Charset; | ||
| import java.util.concurrent.atomic.AtomicBoolean; | ||
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| /** | ||
| * Created by MewX on 2018/7/12. | ||
| * Novel Review Activity. | ||
| */ | ||
| public class NovelReviewReplyListActivity extends AppCompatActivity implements MyItemLongClickListener { | ||
| // private vars | ||
| private int rid = 1; | ||
| private String reviewTitle = ""; | ||
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| // components | ||
| private LinearLayoutManager mLayoutManager; | ||
| private SwipeRefreshLayout mSwipeRefreshLayout; | ||
| private LinearLayout mLoadingLayout; | ||
| private RecyclerView mRecyclerView; | ||
| private TextView mLoadingStatusTextView; | ||
| private TextView mLoadingButton; | ||
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| // switcher | ||
| private ReviewReplyItemAdapter mAdapter; | ||
| private ReviewReplyList reviewReplyList = new ReviewReplyList(); | ||
| private static AtomicBoolean isLoading = new AtomicBoolean(false); | ||
| int pastVisibleItems, visibleItemCount, totalItemCount; | ||
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| @Override | ||
| protected void onCreate(Bundle savedInstanceState) { | ||
| super.onCreate(savedInstanceState); | ||
| setContentView(R.layout.layout_novel_review_list); | ||
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|
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| // fetch values | ||
| rid = getIntent().getIntExtra("rid", 1); | ||
| reviewTitle = getIntent().getStringExtra("title"); | ||
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| // set indicator enable | ||
| Toolbar mToolbar = findViewById(R.id.toolbar_actionbar); | ||
| setSupportActionBar(mToolbar); | ||
| final Drawable upArrow = getResources().getDrawable(R.drawable.ic_svg_back); | ||
| if(getSupportActionBar() != null && upArrow != null) { | ||
| getSupportActionBar().setHomeButtonEnabled(true); | ||
| getSupportActionBar().setDisplayHomeAsUpEnabled(true); | ||
| upArrow.setColorFilter(getResources().getColor(R.color.default_white), PorterDuff.Mode.SRC_ATOP); | ||
| getSupportActionBar().setHomeAsUpIndicator(upArrow); | ||
| } | ||
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| // change status bar color tint, and this require SDK16 | ||
| if (Build.VERSION.SDK_INT >= 16 ) { | ||
| // create our manager instance after the content view is set | ||
| SystemBarTintManager tintManager = new SystemBarTintManager(this); | ||
| // enable all tint | ||
| tintManager.setStatusBarTintEnabled(true); | ||
| tintManager.setNavigationBarTintEnabled(true); | ||
| tintManager.setTintAlpha(0.15f); | ||
| tintManager.setNavigationBarAlpha(0.0f); | ||
| // set all color | ||
| tintManager.setTintColor(getResources().getColor(android.R.color.black)); | ||
| // set Navigation bar color | ||
| if(Build.VERSION.SDK_INT >= 21) | ||
| getWindow().setNavigationBarColor(getResources().getColor(R.color.myNavigationColor)); | ||
| } | ||
|
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| // get views and set title | ||
| // get views | ||
| mLoadingLayout = findViewById(R.id.list_loading); | ||
| mSwipeRefreshLayout = findViewById(R.id.swipe_refresh_layout); | ||
| mRecyclerView = findViewById(R.id.review_item_list); | ||
| mLoadingStatusTextView = findViewById(R.id.list_loading_status); | ||
| mLoadingButton = findViewById(R.id.btn_loading); | ||
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| mRecyclerView.setHasFixedSize(false); | ||
| DividerItemDecoration horizontalDecoration = new DividerItemDecoration(mRecyclerView.getContext(), DividerItemDecoration.VERTICAL); | ||
| Drawable horizontalDivider = ContextCompat.getDrawable(getApplication(), R.drawable.divider_horizontal); | ||
| if (horizontalDivider != null) { | ||
| horizontalDecoration.setDrawable(horizontalDivider); | ||
| mRecyclerView.addItemDecoration(horizontalDecoration); | ||
| } | ||
| // use a linear layout manager | ||
| mLayoutManager = new LinearLayoutManager(this); | ||
| mRecyclerView.setLayoutManager(mLayoutManager); | ||
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| // Listener | ||
| mRecyclerView.addOnScrollListener(new MyOnScrollListener()); | ||
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| // set click event for retry and cancel loading | ||
| mLoadingButton.setOnClickListener(v -> new AsyncReviewReplyListLoader(this, mSwipeRefreshLayout, rid, reviewReplyList).execute()); // retry loading | ||
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| mSwipeRefreshLayout.setColorSchemeColors(getResources().getColor(R.color.myAccentColor)); | ||
| mSwipeRefreshLayout.setOnRefreshListener(() -> { | ||
| // reload all | ||
| reviewReplyList = new ReviewReplyList(); | ||
| mAdapter = null; | ||
| new AsyncReviewReplyListLoader(this, mSwipeRefreshLayout, rid, reviewReplyList).execute(); | ||
| }); | ||
|
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| // load initial content | ||
| new AsyncReviewReplyListLoader(this, mSwipeRefreshLayout, rid, reviewReplyList).execute(); | ||
| } | ||
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| @Override | ||
| public boolean onCreateOptionsMenu(Menu menu) { | ||
| if (getSupportActionBar() != null && reviewTitle != null && !reviewTitle.isEmpty()) | ||
| getSupportActionBar().setTitle(reviewTitle); | ||
| getMenuInflater().inflate(R.menu.menu_review_reply_list, menu); | ||
| return true; | ||
| } | ||
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| @Override | ||
| public boolean onOptionsItemSelected(MenuItem menuItem) { | ||
| if (menuItem.getItemId() == android.R.id.home) { | ||
| onBackPressed(); | ||
| } | ||
| else if (menuItem.getItemId() == R.id.action_new) { | ||
| // TODO: new reply activity (keep or remove) | ||
| Toast.makeText(getApplication(), "new", Toast.LENGTH_SHORT).show(); | ||
| } | ||
| return super.onOptionsItemSelected(menuItem); | ||
| } | ||
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| @Override | ||
| protected void onPause() { | ||
| super.onPause(); | ||
| MobclickAgent.onPause(this); | ||
| } | ||
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| @Override | ||
| protected void onResume() { | ||
| super.onResume(); | ||
| MobclickAgent.onResume(this); | ||
| } | ||
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| ReviewReplyItemAdapter getAdapter() { | ||
| return mAdapter; | ||
| } | ||
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| void setAdapter(ReviewReplyItemAdapter adapter) { | ||
| this.mAdapter = adapter; | ||
| } | ||
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| RecyclerView getRecyclerView() { | ||
| return mRecyclerView; | ||
| } | ||
|
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| void showRetryButton() { | ||
| mLoadingStatusTextView.setText(getResources().getString(R.string.system_parse_failed)); | ||
| mLoadingButton.setVisibility(View.VISIBLE); | ||
| } | ||
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| void hideRetryButton() { | ||
| mLoadingStatusTextView.setText(getResources().getString(R.string.list_loading)); | ||
| mLoadingButton.setVisibility(View.GONE); | ||
| } | ||
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| void hideListLoading() { | ||
| hideRetryButton(); | ||
| mLoadingLayout.setVisibility(View.GONE); | ||
| } | ||
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| @Override | ||
| public void onItemLongClick(View view, int position) { | ||
| String content = reviewReplyList.getList().get(position).getContent(); | ||
| ClipboardManager clipboard = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE); | ||
| ClipData clip = ClipData.newPlainText(getResources().getString(R.string.app_name), content); | ||
| if (clipboard != null) { | ||
| clipboard.setPrimaryClip(clip); | ||
| Toast.makeText(NovelReviewReplyListActivity.this, | ||
| String.format(getResources().getString(R.string.system_copied_to_clipboard), content), | ||
| Toast.LENGTH_SHORT).show(); | ||
| } | ||
| } | ||
|
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| private class MyOnScrollListener extends RecyclerView.OnScrollListener { | ||
| @Override | ||
| public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) { | ||
| super.onScrolled(recyclerView, dx, dy); | ||
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| visibleItemCount = mLayoutManager.getChildCount(); | ||
| totalItemCount = mLayoutManager.getItemCount(); | ||
| pastVisibleItems = mLayoutManager.findFirstVisibleItemPosition(); | ||
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| // 剩余3个元素的时候就加载 | ||
| if (!isLoading.get() && visibleItemCount + pastVisibleItems >= totalItemCount) { // can be +1/2/3 >= total | ||
| // load more thread | ||
| if (reviewReplyList.getCurrentPage() < reviewReplyList.getTotalPage()) { | ||
| // load more toast | ||
| Snackbar.make(mRecyclerView, getResources().getString(R.string.list_loading) | ||
| + "(" + Integer.toString(reviewReplyList.getCurrentPage() + 1) + "/" + reviewReplyList.getTotalPage() + ")", | ||
| Snackbar.LENGTH_SHORT).show(); | ||
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| new AsyncReviewReplyListLoader(NovelReviewReplyListActivity.this, mSwipeRefreshLayout, rid, reviewReplyList).execute(); | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| private static class AsyncReviewReplyListLoader extends AsyncTask<Void, Void, Void> { | ||
| private WeakReference<NovelReviewReplyListActivity> novelReviewListActivityWeakReference; | ||
| private WeakReference<SwipeRefreshLayout> swipeRefreshLayoutWeakReference; | ||
| private int rid; | ||
| private ReviewReplyList reviewReplyList; | ||
|
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| private boolean runOrNot = true; // by default, run it | ||
| private boolean metNetworkIssue = false; | ||
|
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| AsyncReviewReplyListLoader(@NonNull NovelReviewReplyListActivity novelReviewListActivity, @NonNull SwipeRefreshLayout swipeRefreshLayout, int rid, @NonNull ReviewReplyList reviewReplyList) { | ||
| this.novelReviewListActivityWeakReference = new WeakReference<>(novelReviewListActivity); | ||
| this.swipeRefreshLayoutWeakReference = new WeakReference<>(swipeRefreshLayout); | ||
| this.rid = rid; | ||
| this.reviewReplyList = reviewReplyList; | ||
| } | ||
|
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| @Override | ||
| protected void onPreExecute() { | ||
| if (isLoading.getAndSet(true)) { | ||
| // is running, do not run again | ||
| runOrNot = false; | ||
| } else { | ||
| // not running, so run it | ||
| SwipeRefreshLayout tempSwipeLayout = swipeRefreshLayoutWeakReference.get(); | ||
| if (tempSwipeLayout != null) tempSwipeLayout.setRefreshing(true); | ||
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| NovelReviewReplyListActivity tempActivity = novelReviewListActivityWeakReference.get(); | ||
| if (tempActivity != null) tempActivity.hideRetryButton(); | ||
| } | ||
| } | ||
|
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| @Override | ||
| protected Void doInBackground(Void... v) { | ||
| if (!runOrNot || reviewReplyList.getCurrentPage() + 1 > reviewReplyList.getTotalPage()) return null; | ||
|
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| // load current page + 1 | ||
| byte[] tempXml = LightNetwork.LightHttpPostConnection(Wenku8API.BASE_URL, Wenku8API.getCommentContentParams(rid, reviewReplyList.getCurrentPage() + 1)); | ||
| if (tempXml == null) { | ||
| metNetworkIssue = true; | ||
| return null; // network issue | ||
| } | ||
| String xml = new String(tempXml, Charset.forName("UTF-8")); | ||
| Log.d(NovelReviewReplyListActivity.class.getSimpleName(), xml); | ||
| Wenku8Parser.parseReviewReplyList(reviewReplyList, xml); | ||
| return null; | ||
| } | ||
|
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| @Override | ||
| protected void onPostExecute(Void v) { | ||
| // refresh everything when required | ||
| if (!runOrNot) return; | ||
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| NovelReviewReplyListActivity tempActivity = novelReviewListActivityWeakReference.get(); | ||
| if (metNetworkIssue) { | ||
| // met net work issue, show retry button | ||
| if (tempActivity != null) tempActivity.showRetryButton(); | ||
| } else { | ||
| // all good, update list | ||
| if (tempActivity.getAdapter() == null) { | ||
| ReviewReplyItemAdapter reviewReplyItemAdapter = new ReviewReplyItemAdapter(reviewReplyList); | ||
| tempActivity.setAdapter(reviewReplyItemAdapter); | ||
| reviewReplyItemAdapter.setOnItemLongClickListener(tempActivity); | ||
| tempActivity.getRecyclerView().setAdapter(reviewReplyItemAdapter); | ||
| } | ||
| tempActivity.getAdapter().notifyDataSetChanged(); | ||
|
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| tempActivity.hideListLoading(); | ||
| } | ||
|
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| // stop spinning | ||
| SwipeRefreshLayout tempSwipeLayout = swipeRefreshLayoutWeakReference.get(); | ||
| if (tempSwipeLayout != null) tempSwipeLayout.setRefreshing(false); | ||
|
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| // reset loading status | ||
| isLoading.set(false); | ||
| } | ||
| } | ||
|
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| } |
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