@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml. } int id = item.getItemId();
switch (item.getItemId()) {
// Respond to the action bar's Up/Home button
case android.R.id.home:
Intent intent = NavUtils.getParentActivityIntent(this);
intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(intent);
overridePendingTransition(0, R.anim.slide_out_right);
return true;
case R.id.menu_item_picture:
mWebView.loadUrl(
"javascript:document.getElementsByClassName('jianshu_bar')[0].style.display = 'block'");
this.handler.postDelayed(
new Runnable() {
@Override
public void run() {
scanContent();
}
},
1000);
this.scanLight.setVisibility(View.VISIBLE);
this.scanLight.startAnimation(this.scanAnim);
return true;
}
return super.onOptionsItemSelected(item);
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_article);
this.handler = new Handler();
Intent intent = getIntent();
mUrl = intent.getStringExtra("url");
// mTitle = intent.getStringExtra("title");
// mSummary = intent.getStringExtra("summary");
// mAuthor = intent.getStringExtra("author");
mLoadingArticle = (LoadingTextView) findViewById(R.id.loading_article);
mWebView = (ObservableWebView) findViewById(R.id.web);
mWebView.setOnScrollChangedCallback(this);
mWebView.getSettings().setJavaScriptEnabled(true);
mWebView.addJavascriptInterface(this, "article");
mRetryButton = (Button) findViewById(R.id.retry);
this.scanLight = (View) findViewById(R.id.scan_light);
final ArticleActivity that = this;
this.fadeIn = AnimationUtils.loadAnimation(this, R.anim.fade_in);
this.fadeOut = AnimationUtils.loadAnimation(this, R.anim.fade_out);
this.fadeOut.setAnimationListener(
new Animation.AnimationListener() {
@Override
public void onAnimationStart(Animation animation) {}
@Override
public void onAnimationEnd(Animation animation) {
ArticleActivity.this.mLikeView.setVisibility(View.GONE);
}
@Override
public void onAnimationRepeat(Animation animation) {}
});
this.scanAnim = AnimationUtils.loadAnimation(this, R.anim.scan);
this.scanAnim.setAnimationListener(
new Animation.AnimationListener() {
@Override
public void onAnimationStart(Animation animation) {
FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
that.scanFinishedDialogFragment = ScanFinishedDialogFragment.newInstance();
that.scanFinishedDialogFragment.show(ft, "scan");
}
@Override
public void onAnimationEnd(Animation animation) {
ArticleActivity.this.scanLight.setVisibility(View.GONE);
}
@Override
public void onAnimationRepeat(Animation animation) {}
});
mLikeProgress = (ProgressBar) findViewById(R.id.like_progress);
this.likingAnim =
ObjectAnimator.ofInt(this.mLikeProgress, "progress", 2, mLikeProgress.getMax() - 1);
this.likingAnim.setDuration(2000);
this.unlikingAnim =
ObjectAnimator.ofInt(this.mLikeProgress, "progress", mLikeProgress.getMax() - 1, 2);
this.unlikingAnim.setDuration(2000);
mLikeView = findViewById(R.id.like);
mLikeTextView = (TextView) findViewById(R.id.like_text);
mLikeView.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View v) {
final ArticleActivity that = ArticleActivity.this;
final int max = mLikeProgress.getMax();
if (that.isLikingProgressing) {
return;
}
that.isLikingProgressing = true;
that.currentAnim = that.isLiking ? that.unlikingAnim : that.likingAnim;
that.currentAnim.start();
(new AsyncTask<Void, Void, Boolean>() {
@Override
protected Boolean doInBackground(Void... params) {
Object httpResult = JianshuSession.getsInstance().postSync(that.likeUrl, false);
if (httpResult instanceof String) {
String str = (String) httpResult;
if (str.startsWith("$")) {
if (str.contains("addClass('note-liked')")) {
that.isLiking = true;
} else if (str.contains("removeClass('note-liked')")) {
that.isLiking = false;
}
Matcher matcher = LIKE_COUNT_PATTERN.matcher(str);
if (matcher.find()) {
that.likingCount = Integer.parseInt(matcher.group(1));
}
return true;
}
}
return false;
}
@Override
protected void onPostExecute(Boolean succeed) {
that.isLikingProgressing = false;
// 即使是网络问题失败了，也要重置进度条状态
updateLike();
if (!succeed) {
Toast.makeText(that, "网络似乎不给力", Toast.LENGTH_LONG).show();
}
}
})
.execute();
}
});
ActionBar actionBar = getActionBar();
actionBar.setDisplayHomeAsUpEnabled(true);
// 滑动返回
mSwipeBackLayout = getSwipeBackLayout();
mSwipeBackLayout.setEdgeTrackingEnabled(SwipeBackLayout.EDGE_LEFT);
mRetryButton.setOnClickListener(
new Button.OnClickListener() {
@Override
public void onClick(View v) {
mRetryButton.setVisibility(View.INVISIBLE);
mLoadingArticle.setVisibility(View.VISIBLE);
loadArticle();
}
});
mDownloadManager = (DownloadManager) getSystemService(Context.DOWNLOAD_SERVICE);
mFinalHttp = new FinalHttp();
Object[] state = StatePool.getInstance().getState("article");
if (state != null) {
String url = (String) state[0];
if (mUrl.equals(url)) {
this.mTitle = (String) state[1];
this.mAuthor = (String) state[2];
this.content = (String) state[3];
mWebView.setVisibility(View.VISIBLE);
mWebView.loadData(this.content, "text/html; charset=UTF-8", null);
return;
}
}
loadArticle();
}
public void scanContent() {
int[] size = this.mWebView.getRealSize();
int width = size[0];
int height = size[1];
try {
this.scanBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(this.scanBitmap);
this.mWebView.draw(canvas);
} catch (OutOfMemoryError e) {
this.scanBitmap = null;
mWebView.loadUrl(
"javascript:document.getElementsByClassName('jianshu_bar')[0].style.display = 'none'");
this.scanFinishedDialogFragment.onScanError("篇幅过长，不能扫描");
return;
}
final ArticleActivity that = ArticleActivity.this;
(new AsyncTask<Void, Void, Boolean>() {
@Override
protected Boolean doInBackground(Void... params) {
try {
File jianshuImageFile =
new File(
Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES)
+ "/jianshu");
if (!jianshuImageFile.exists()) {
jianshuImageFile.mkdirs();
}
that.imagePath =
Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES)
+ "/jianshu/"
+ getImageFileName(mTitle);
FileOutputStream fos = new FileOutputStream(that.imagePath);
that.scanBitmap.compress(Bitmap.CompressFormat.JPEG, 100, fos);
that.scanBitmap.recycle();
that.scanBitmap = null;
fos.close();
return true;
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return false;
}
@Override
protected void onPostExecute(Boolean succeed) {
mWebView.loadUrl(
"javascript:document.getElementsByClassName('jianshu_bar')[0].style.display = 'none'");
if (succeed) {
that.imageUri = Uri.fromFile(new File(that.imagePath));
Intent localIntent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, that.imageUri);
sendBroadcast(localIntent);
that.scanFinishedDialogFragment.onScanFinished();
} else {
that.scanFinishedDialogFragment.onScanError("保存图片时遇到错误");
}
}
})
.execute();
}