Java Code Examples for android.widget.TextView#post()

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
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);
                        }
                    });
                }
            }
        }
    }
}
 

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 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));
}
 

@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 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 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 static void appendText(TextView textView, String text){
    textView.post(new Runnable() {
        @Override
        public void run() {
            textView.setText(textView.getText()+"\n"+text);
        }
    });
}
 

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());
        }
    });
}
 

/**
 * 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);
        }
    });
}
 

@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()");
}
 

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;
}