下面列出了android.widget.TextView#post ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
@Override
public View getDropDownView(int position, View convertView, ViewGroup parent) {
View mView = super.getDropDownView(position, convertView, parent);
TextView mTextView = (TextView) mView;
// Don't change single line setting until view is rendered, otherwise this has no effect :(
final TextView finalTextView = mTextView;
mTextView.post(new Runnable() {
@Override
public void run() {
finalTextView.setSingleLine(!wrapText);
}
});
if (!isEnabled(position)) {
mTextView.setTextColor(Color.GRAY);
} else {
mTextView.setTextColor(Color.BLACK);
}
return mView;
}
public void setProgressText(final String text) {
if(text.length() > 0) {
try {
setFieldVisibility("mProgressPercent", View.VISIBLE);
final TextView textView = (TextView) getField("mProgressPercent").get(this);
textView.post(new Runnable() {
public void run() {
textView.setText(text);
}
});
} catch(Exception e) {
}
} else {
setFieldVisibility("mProgressPercent", progressPercentVisibility);
}
}
@Override
protected void initViews(View view) {
super.initViews(view);
setLabel("PropertyCustomEvaluate");
view.findViewById(R.id.btn_start_by_property).setOnClickListener(this);
textView = (TextView) view.findViewById(R.id.text_view);
textView.setOnClickListener(this);
//save beginning position
textView.post(new Runnable() {
@Override
public void run() {
if (left == 0) {
left = textView.getLeft();
}
if (top == 0) {
top = textView.getTop();
}
}
});
}
@Override
public void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_text_view);
final Markwon markwon = Markwon.builder(this)
// please note that precomputedTextCompat is no-op on devices lower than L (21)
.textSetter(PrecomputedTextSetterCompat.create(Executors.newCachedThreadPool()))
.build();
final TextView textView = findViewById(R.id.text_view);
final String markdown = "# Hello!\n\n" +
"This _displays_ how to implement and use `PrecomputedTextCompat` with the **Markwon**\n\n" +
"> consider using PrecomputedText only if your markdown content is large enough\n> \n" +
"> **please note** that it works badly with `markwon-recycler` due to asynchronous nature";
// please note that _sometimes_ (if done without `post` here) further `textView.post`
// (that is used in PrecomputedTextSetterCompat to deliver result to main-thread) won't be called
// making the result of pre-computation absent and text-view clear (no text)
textView.post(() -> markwon.setMarkdown(textView, markdown));
}
private void createMessage() {
if (TextUtils.isEmpty(mMessageStr)) {
return;
}
ViewGroup.MarginLayoutParams params = new ViewGroup.MarginLayoutParams(
ViewGroup.LayoutParams.MATCH_PARENT,
ViewGroup.LayoutParams.WRAP_CONTENT);
mTvMessage = new TextView(mContext);
mTvMessage.setLayoutParams(params);
mTvMessage.setId(R.id.tv_messageAlertDialog);
mListViews.add(0, mTvMessage);
setTextAttribute(mTvMessage, mMessageStr, mMessageTextColor, mMessageTextSize, mMessageTextGravity, mMessageTextFakeBoldEnable);
mTvMessage.post(new Runnable() {
@Override
public void run() {
int lineCount = mTvMessage.getLineCount();
if (lineCount > 1) {
mTvMessage.setGravity(Gravity.LEFT | mTvMessage.getGravity());
}
if (mOnTextViewLineListener != null) {
mOnTextViewLineListener.onTextViewLineListener(mTvMessage, lineCount);
}
}
});
}
@Override
public void done(Object from) {
if (from instanceof Integer) {
int loadedCount = (int) from;
if (loadedCount >= count) {
state = RichState.loaded;
TextView tv = textViewWeakReference.get();
if (config.callback != null) {
if (null != tv) {
tv.post(new Runnable() {
@Override
public void run() {
config.callback.done(true);
}
});
}
}
}
}
}
public static void appendText(TextView textView, String text){
textView.post(new Runnable() {
@Override
public void run() {
textView.setText(textView.getText()+"\n"+text);
}
});
}
public static void appendText(TextView textView, String text){
textView.post(new Runnable() {
@Override
public void run() {
textView.setText(textView.getText()+"\n"+text);
}
});
}
private static void applyText(
@Nullable final TextView textView,
@NonNull final Spanned text,
@NonNull final TextView.BufferType bufferType,
@NonNull final Runnable onComplete) {
if (textView != null) {
textView.post(new Runnable() {
@Override
public void run() {
textView.setText(text, bufferType);
onComplete.run();
}
});
}
}
public Thread printIncrement(final TextView textView, final Locale locale, final String format, final long startNumber, final long endNumber, final long millis) {
final Thread thread = printIncrementPostDelayed(textView, locale, format, startNumber, endNumber, millis);
textView.post(new Runnable() {
@Override
public void run() {
thread.start();
}
});
return thread;
}
@Override
public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
if (actionId == EditorInfo.IME_ACTION_DONE) {
v.post(new Runnable() {
@Override
public void run() {
clearAllFocus();
setRGB();
}
});
}
return false;
}
private void resetText() {
final TextView tv = textViewWeakReference.get();
if (tv != null) {
tv.post(new Runnable() {
@Override
public void run() {
CharSequence cs = tv.getText();
tv.setText(cs);
}
});
}
}
private void loadUserInfo(ImageView userPicture, final MyUser user, final TextView userName) {
BitmapDownloadTask task = new BitmapDownloadTask(this, userPicture, ImageKind.User);
task.execute(user.getPictureId() != null ? user.getPictureId().toString() : null);
userName.post(new Runnable() {
@Override
public void run() {
userName.setText(user.getDisplayName());
}
});
}
@Override
public void onRestoreInstanceState(Bundle savedInstanceState) {
try {
// We're going to re-add all of the fragments, so get rid of the old ones
List<Fragment> fragments = getSupportFragmentManager().getFragments();
if (fragments != null) {
for (Fragment fragment : fragments) {
if (fragment != null) {
getSupportFragmentManager().beginTransaction().remove(fragment).commit();
}
}
}
if (savedInstanceState != null) {
String consoleText = savedInstanceState.getString("consoleText");
final int consoleScrollPos = savedInstanceState.getInt("consoleScrollPos");
final int consoleScrollPosX = savedInstanceState.getInt("consoleScrollPosX");
String messageText = savedInstanceState.getString("messageText");
MessageType msgType = MessageType.deserialize(savedInstanceState.getString("messageIsError"));
TextView console = (TextView) findViewById(R.id.console);
final ScrollView consoleScroller = (ScrollView) findViewById(R.id.console_scroller);
final HorizontalScrollView consoleScrollerX = (HorizontalScrollView) findViewById(R.id.console_scroller_x);
if (consoleText != null) {
// Assume that they're all there...
console.setText(consoleText);
// This doesn't actually work in practice because the text is always
// replaced with "The sketch has been saved"...
switch (msgType) {
case MESSAGE:
message(messageText);
break;
case ERROR:
error(messageText);
break;
case WARNING:
warning(messageText);
break;
}
console.post(new Runnable() {
@Override
public void run() {
consoleScroller.scrollTo(0, consoleScrollPos);
consoleScrollerX.scrollTo(consoleScrollPosX, 0);
}
});
}
}
} catch (Exception e) {
// Who knows really...
e.printStackTrace();
}
getGlobalState().writeCodeDeletionDebugStatus("onRestoreInstanceState()");
}
/**
* Fix inconsistencies in the vertical distribution of the content area views
*/
public void refreshMessageAreaLocation() {
//Obtain some references
final View content = findViewById(R.id.content);
final View console = findViewById(R.id.console_wrapper);
final View code = getSelectedCodeAreaScroller();
final TextView messageArea = (TextView) findViewById(R.id.message);
final FrameLayout autoCompileProgress = findViewById(R.id.auto_compile_progress_wrapper);
if (firstResize) {
//Use some better layout parameters - this switches from fractions/layout weights to absolute values
code.setLayoutParams(new FrameLayout.LayoutParams(FrameLayout.LayoutParams.MATCH_PARENT, code.getHeight()));
console.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, console.getHeight()));
firstResize = false;
}
messageArea.requestLayout();
messageArea.post(() -> {
//We need to use this in case the message area is partially off the screen
//This is the DESIRED height, not the ACTUAL height
message = getTextViewHeight(getApplicationContext(), messageArea.getText().toString(), messageArea.getTextSize(), findViewById(R.id.message_char_insert_wrapper).getWidth(), messageArea.getPaddingTop());
int consoleSize = content.getHeight() - code.getHeight() - message - (extraHeaderView != null ? extraHeaderView.getHeight() : 0) - tabBarContainer.getHeight() - autoCompileProgress.getHeight();
//We can't shrink the console if it's hidden (like when the keyboard is visible)...
//...so shrink the code area instead
if (consoleSize < 0 || consoleWasHidden || keyboardVisible) {
console.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, 0));
code.setLayoutParams(new FrameLayout.LayoutParams(FrameLayout.LayoutParams.MATCH_PARENT,
content.getHeight() - message - (extraHeaderView != null ? extraHeaderView.getHeight() : 0) - tabBarContainer.getHeight() - autoCompileProgress.getHeight()));
consoleWasHidden = true;
} else {
console.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, consoleSize));
consoleWasHidden = false;
}
});
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_flexiblespacewithimagerecyclerview);
mFlexibleSpaceImageHeight = getResources().getDimensionPixelSize(R.dimen.flexible_space_image_height);
mActionBarSize = getActionBarSize();
ObservableRecyclerView recyclerView = (ObservableRecyclerView) findViewById(R.id.recycler);
recyclerView.setScrollViewCallbacks(this);
recyclerView.setLayoutManager(new LinearLayoutManager(this));
recyclerView.setHasFixedSize(false);
final View headerView = LayoutInflater.from(this).inflate(R.layout.recycler_header, null);
headerView.post(new Runnable() {
@Override
public void run() {
headerView.getLayoutParams().height = mFlexibleSpaceImageHeight;
}
});
setDummyDataWithHeader(recyclerView, headerView);
mImageView = findViewById(R.id.image);
mOverlayView = findViewById(R.id.overlay);
mTitleView = (TextView) findViewById(R.id.title);
mTitleView.setText(getTitle());
setTitle(null);
// mRecyclerViewBackground makes RecyclerView's background except header view.
mRecyclerViewBackground = findViewById(R.id.list_background);
//since you cannot programmatically add a header view to a RecyclerView we added an empty view as the header
// in the adapter and then are shifting the views OnCreateView to compensate
final float scale = 1 + MAX_TEXT_SCALE_DELTA;
mRecyclerViewBackground.post(new Runnable() {
@Override
public void run() {
ViewHelper.setTranslationY(mRecyclerViewBackground, mFlexibleSpaceImageHeight);
}
});
ViewHelper.setTranslationY(mOverlayView, mFlexibleSpaceImageHeight);
mTitleView.post(new Runnable() {
@Override
public void run() {
ViewHelper.setTranslationY(mTitleView, (int) (mFlexibleSpaceImageHeight - mTitleView.getHeight() * scale));
ViewHelper.setPivotX(mTitleView, 0);
ViewHelper.setPivotY(mTitleView, 0);
ViewHelper.setScaleX(mTitleView, scale);
ViewHelper.setScaleY(mTitleView, scale);
}
});
}
private void initViews(){
mContentView = LayoutInflater.from(mContext)
.inflate(R.layout.item_wave_loading_view, mViewGroup, false);
mWaveLoadingView = (WaveLoadingView) mContentView.findViewById(R.id.wave_loading_view);
mWaveLoadingView.post(new Runnable() {
@Override
public void run() {
mWaveLoadingView.setWaveColor(mBookshelf.getColor());
}
});
mRedPicker = (SeekBar) mContentView.findViewById(R.id.red_picker);
mGreenPicker = (SeekBar) mContentView.findViewById(R.id.green_picker);
mBluePicker = (SeekBar) mContentView.findViewById(R.id.blue_picker);
mAmpPicker = (SeekBar) mContentView.findViewById(R.id.amp_picker);
mWavePicker = (SeekBar) mContentView.findViewById(R.id.wave_picker);
mCurrentPage = (EditText) mContentView.findViewById(R.id.edit_current_page);
mTotalPages = (TextView) mContentView.findViewById(R.id.text_total_page);
mConfirmButton = (Button) mContentView.findViewById(R.id.button_confirm);
//mCancelButton = (Button) mContentView.findViewById(R.id.button_cancel);
mRedPicker.post(new Runnable() {
@Override
public void run() {
mRedPicker.setProgress( (int)((mBookshelf.getRed() / 255.0f) * 100));
}
});
mGreenPicker.post(new Runnable() {
@Override
public void run() {
mGreenPicker.setProgress((int)((mBookshelf.getGreen() / 255.0f) * 100));
}
});
mBluePicker.post(new Runnable() {
@Override
public void run() {
mBluePicker.setProgress((int)((mBookshelf.getBlue() / 255.0f) * 100));
}
});
mAmpPicker.post(new Runnable() {
@Override
public void run() {
//范围是0~1
mAmpPicker.setProgress((int) (mBookshelf.getAmpratio() * 100));
}
});
mWavePicker.post(new Runnable() {
@Override
public void run() {
mWavePicker.setProgress((int) (mBookshelf.getWaveratio() * 100));
}
});
mCurrentPage.post(new Runnable() {
@Override
public void run() {
mCurrentPage.setText(""+mBookshelf.getCurrentpage());
}
});
mTotalPages.post(new Runnable() {
@Override
public void run() {
mTotalPages.setText("of "+mBookshelf.getTotalpage());
}
});
//mWaveLoadingView.setProgress(mBookshelf.getProgress());
Log.e("此时progress是",mBookshelf.getProgress()+"");
mWaveLoadingView.setTitletext(((int)(mBookshelf.getProgress() * 100)) + "" + " %");
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
textView = (TextView) findViewById(R.id.test);
if (first){
textView.post(new Runnable() {
@Override
public void run() {
tvLeft = textView.getLeft();
tvTop = textView.getTop();
tvRight = textView.getRight();
tvBottom = textView.getBottom();
first = false;
textView.setText(tvLeft + "," + tvTop + "," + tvRight + "," + tvBottom);
}
});
}
textView.setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
startX = (int) event.getRawX();
startY = (int) event.getRawY();
Left = textView.getLeft();
Top = textView.getTop();
Right = textView.getRight();
Bottom = textView.getBottom();
break;
case MotionEvent.ACTION_MOVE:
textView.layout(
(int) (Left + event.getRawX() - startX),
(int) (Top + event.getRawY() - startY),
(int) (Right + event.getRawX() - startX),
(int) (Bottom + event.getRawY() - startY));
break;
case MotionEvent.ACTION_UP:
AnimatorSet set = new AnimatorSet();
set.playTogether(
ObjectAnimator.ofFloat(textView, "translationX", tvLeft - textView.getLeft()),
ObjectAnimator.ofFloat(textView, "translationY", tvTop - textView.getTop())
);
set.setDuration(2000).start();
textView.postDelayed(new Runnable() {
@Override
public void run() {
textView.layout(textView.getLeft(), textView.getTop(), textView.getRight(), textView.getBottom());
}
}, 2000);
break;
}
return true;
}
});
}
private void initViews(){
mContentView = LayoutInflater.from(mContext)
.inflate(R.layout.item_wave_loading_view, mViewGroup, false);
mWaveLoadingView = (WaveLoadingView) mContentView.findViewById(R.id.wave_loading_view);
mWaveLoadingView.post(new Runnable() {
@Override
public void run() {
mWaveLoadingView.setWaveColor(mBookshelf.getColor());
}
});
mRedPicker = (SeekBar) mContentView.findViewById(R.id.red_picker);
mGreenPicker = (SeekBar) mContentView.findViewById(R.id.green_picker);
mBluePicker = (SeekBar) mContentView.findViewById(R.id.blue_picker);
mAmpPicker = (SeekBar) mContentView.findViewById(R.id.amp_picker);
mWavePicker = (SeekBar) mContentView.findViewById(R.id.wave_picker);
mCurrentPage = (EditText) mContentView.findViewById(R.id.edit_current_page);
mTotalPages = (TextView) mContentView.findViewById(R.id.text_total_page);
mConfirmButton = (Button) mContentView.findViewById(R.id.button_confirm);
//mCancelButton = (Button) mContentView.findViewById(R.id.button_cancel);
mRedPicker.post(new Runnable() {
@Override
public void run() {
mRedPicker.setProgress( (int)((mBookshelf.getRed() / 255.0f) * 100));
}
});
mGreenPicker.post(new Runnable() {
@Override
public void run() {
mGreenPicker.setProgress((int)((mBookshelf.getGreen() / 255.0f) * 100));
}
});
mBluePicker.post(new Runnable() {
@Override
public void run() {
mBluePicker.setProgress((int)((mBookshelf.getBlue() / 255.0f) * 100));
}
});
mAmpPicker.post(new Runnable() {
@Override
public void run() {
//范围是0~1
mAmpPicker.setProgress((int) (mBookshelf.getAmpratio() * 100));
}
});
mWavePicker.post(new Runnable() {
@Override
public void run() {
mWavePicker.setProgress((int) (mBookshelf.getWaveratio() * 100));
}
});
mCurrentPage.post(new Runnable() {
@Override
public void run() {
mCurrentPage.setText(""+mBookshelf.getCurrentpage());
}
});
mTotalPages.post(new Runnable() {
@Override
public void run() {
mTotalPages.setText("of "+mBookshelf.getTotalpage());
}
});
//mWaveLoadingView.setProgress(mBookshelf.getProgress());
Log.e("此时progress是",mBookshelf.getProgress()+"");
mWaveLoadingView.setTitletext(((int)(mBookshelf.getProgress() * 100)) + "" + " %");
}
@Override
public Drawable getDrawable(ImageHolder holder, final RichTextConfig config, TextView textView) {
final ImageTarget target;
final GenericRequestBuilder load;
DrawableTypeRequest dtr;
DrawableWrapper drawableWrapper = new DrawableWrapper();
byte[] src = Base64.decode(holder.getSource());
if (src != null) {
dtr = Glide.with(textView.getContext()).load(src);
} else {
dtr = Glide.with(textView.getContext()).load(holder.getSource());
}
Rect rect = null;
if (config.cacheType >= CacheType.LAYOUT) {
rect = loadCache(holder.getSource());
if (rect != null) {
drawableWrapper.setBounds(rect);
}
} else {
drawableWrapper.setBounds(0, 0, holder.getWidth(), holder.getHeight());
}
if (holder.isGif()) {
target = new ImageTargetGif(textView, drawableWrapper, holder, config, this, rect);
load = dtr.asGif();
} else {
target = new ImageTargetBitmap(textView, drawableWrapper, holder, config, this, rect);
load = dtr.asBitmap().atMost();
}
checkTag(textView);
targets.add(target);
if (!config.resetSize && holder.isInvalidateSize()) {
load.override(holder.getWidth(), holder.getHeight());
}
if (holder.getScaleType() == ImageHolder.ScaleType.CENTER_CROP) {
if (holder.isGif()) {
//noinspection ConstantConditions
((GifTypeRequest) load).centerCrop();
} else {
//noinspection ConstantConditions
((BitmapTypeRequest) load).centerCrop();
}
} else if (holder.getScaleType() == ImageHolder.ScaleType.FIT_CENTER) {
if (holder.isGif()) {
//noinspection ConstantConditions
((GifTypeRequest) load).fitCenter();
} else {
//noinspection ConstantConditions
((BitmapTypeRequest) load).fitCenter();
}
}
textView.post(new Runnable() {
@Override
public void run() {
load.placeholder(config.placeHolder).error(config.errorImage).into(target);
}
});
drawableWrapper.setCallback(textView);
return drawableWrapper;
}