本文整理了Java中android.text.TextWatcher类的一些代码示例，展示了TextWatcher类的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。TextWatcher类的具体详情如下：
包路径：android.text.TextWatcher
类名称：TextWatcher

TextWatcher介绍

暂无

代码示例

代码示例来源：origin: facebook/litho

@Override
 public void afterTextChanged(Editable editable) {
  for (TextWatcher w : mTextWatchers) {
   w.afterTextChanged(editable);
  }
 }
}

代码示例来源：origin: facebook/litho

@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
 for (TextWatcher w : mTextWatchers) {
  w.onTextChanged(s, start, before, count);
 }
}

代码示例来源：origin: facebook/litho

@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 for (TextWatcher w : mTextWatchers) {
  w.beforeTextChanged(s, start, count, after);
 }
}

代码示例来源：origin: stackoverflow.com

mTextWatcher.beforeTextChanged(s, start, count, after);
    mTextWatcher.onTextChanged(s, start, before, count);
public void afterTextChanged(Editable s) {
  if(mTextWatcher != null)
    mTextWatcher.afterTextChanged(s);

代码示例来源：origin: stackoverflow.com

resultsText = (android.widget.TextView)findViewById(R.id.textView16);
android.text.TextWatcher inputTextWatcher = new android.text.TextWatcher() {
  public void afterTextChanged(android.text.Editable s) {
    calculateResult();

代码示例来源：origin: facebook/litho

@Override
 public void afterTextChanged(Editable s) {
  if (mDelegates != null) {
   for (int i = 0, stop = mDelegates.size(); i < stop; i++) {
    mDelegates.get(i).afterTextChanged(s);
   }
  }
  if (mTextChangedEventHandler != null) {
   com.facebook.litho.widget.EditText.dispatchTextChangedEvent(
     mTextChangedEventHandler, EditTextWithEventHandlers.this, s.toString());
  }
 }
}

代码示例来源：origin: facebook/litho

@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
 if (mDelegates != null) {
  for (int i = 0, stop = mDelegates.size(); i < stop; i++) {
   mDelegates.get(i).onTextChanged(s, start, before, count);
  }
 }
 if ((mStateUpdatePolicy == UPDATE_ON_LINE_COUNT_CHANGE && mPrevLineCount != getLineCount())
   || mStateUpdatePolicy == UPDATE_ON_TEXT_CHANGE) {
  com.facebook.litho.widget.EditText.updateInputSync(mComponentContext, s.toString());
 } else if (mStateUpdatePolicy != NO_UPDATES) {
  com.facebook.litho.widget.EditText.lazyUpdateInput(mComponentContext, s.toString());
 }
}

代码示例来源：origin: facebook/litho

@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 if (mDelegates != null) {
  for (int i = 0, stop = mDelegates.size(); i < stop; i++) {
   mDelegates.get(i).beforeTextChanged(s, start, count, after);
  }
 }
 // Only need the previous line count when state update policy is ON_LINE_COUNT_CHANGE
 if (mStateUpdatePolicy == UPDATE_ON_LINE_COUNT_CHANGE) {
  mPrevLineCount = getLineCount();
 }
}

代码示例来源：origin: morogoku/MTweaks-KernelAdiutorMOD

@Override
  public void afterTextChanged(Editable s) {
    if (mTextWatcher != null) {
      mTextWatcher.afterTextChanged(s);
    }
    mText = s;
  }
});

代码示例来源：origin: robolectric/robolectric

@Test
public void whenSettingText_ShouldFireOnTextChangedWithCorrectArguments() {
 textView.setText(INITIAL_TEXT);
 TextWatcher mockTextWatcher = mock(TextWatcher.class);
 textView.addTextChangedListener(mockTextWatcher);
 textView.setText(NEW_TEXT);
 ArgumentCaptor<SpannableStringBuilder> builderCaptor = ArgumentCaptor.forClass(SpannableStringBuilder.class);
 verify(mockTextWatcher).onTextChanged(builderCaptor.capture(), eq(0), eq(INITIAL_TEXT.length()), eq(NEW_TEXT.length()));
 assertThat(builderCaptor.getValue().toString()).isEqualTo(NEW_TEXT);
}

代码示例来源：origin: robolectric/robolectric

@Test
public void whenSettingText_ShouldFireBeforeTextChangedWithCorrectArguments() {
 textView.setText(INITIAL_TEXT);
 TextWatcher mockTextWatcher = mock(TextWatcher.class);
 textView.addTextChangedListener(mockTextWatcher);
 textView.setText(NEW_TEXT);
 verify(mockTextWatcher).beforeTextChanged(INITIAL_TEXT, 0, INITIAL_TEXT.length(), NEW_TEXT.length());
}

代码示例来源：origin: sharish/WhatsappFormatter

private static void sendAfterTextChanged(TextWatcher[] mListeners, Editable s) {
  if (mListeners != null) {
    for (int i = 0; i < mListeners.length; i++) {
      mListeners[i].afterTextChanged(s);
    }
  }
}

代码示例来源：origin: robolectric/robolectric

@Test
public void whenAppendingText_ShouldFireOnTextChangedWithCorrectArguments() {
 textView.setText(INITIAL_TEXT);
 TextWatcher mockTextWatcher = mock(TextWatcher.class);
 textView.addTextChangedListener(mockTextWatcher);
 textView.append(NEW_TEXT);
 ArgumentCaptor<SpannableStringBuilder> builderCaptor = ArgumentCaptor.forClass(SpannableStringBuilder.class);
 verify(mockTextWatcher).onTextChanged(builderCaptor.capture(), eq(0), eq(INITIAL_TEXT.length()), eq(INITIAL_TEXT.length()));
 assertThat(builderCaptor.getValue().toString()).isEqualTo(INITIAL_TEXT + NEW_TEXT);
}

代码示例来源：origin: robolectric/robolectric

@Test
public void whenAppendingText_ShouldFireBeforeTextChangedWithCorrectArguments() {
 textView.setText(INITIAL_TEXT);
 TextWatcher mockTextWatcher = mock(TextWatcher.class);
 textView.addTextChangedListener(mockTextWatcher);
 textView.append(NEW_TEXT);
 verify(mockTextWatcher).beforeTextChanged(eq(INITIAL_TEXT), eq(0), eq(INITIAL_TEXT.length()), eq(INITIAL_TEXT.length()));
}

代码示例来源：origin: sunhapper/SpEditTool

@Override
public void afterTextChanged(Editable s) {
 ((TextWatcher) mObject).afterTextChanged(s);
}

代码示例来源：origin: robolectric/robolectric

@Test
public void whenSettingTextToNull_WatchersSeeEmptyString() {
 TextWatcher mockTextWatcher = mock(TextWatcher.class);
 textView.addTextChangedListener(mockTextWatcher);
 textView.setText(null);
 ArgumentCaptor<SpannableStringBuilder> builderCaptor = ArgumentCaptor.forClass(SpannableStringBuilder.class);
 verify(mockTextWatcher).onTextChanged(builderCaptor.capture(), eq(0), eq(0), eq(0));
 assertThat(builderCaptor.getValue().toString()).isEmpty();
}

代码示例来源：origin: sharish/WhatsappFormatter

private static void sendBeforeTextChanged(TextWatcher[] mListeners, CharSequence s, int start, int count, int after) {
  if (mListeners != null) {
    for (int i = 0; i < mListeners.length; i++) {
      mListeners[i].beforeTextChanged(s, start, count, after);
    }
  }
}

代码示例来源：origin: hylinux1024/Componentization

@Override
  public void afterTextChanged(Editable s) {
    if (mTextWatcher != null) {
      mTextWatcher.afterTextChanged(s);
    }
  }
}

代码示例来源：origin: sharish/WhatsappFormatter

private static void sendOnTextChanged(TextWatcher[] mListeners, CharSequence s, int start, int before, int count) {
  if (mListeners != null) {
    for (int i = 0; i < mListeners.length; i++) {
      mListeners[i].onTextChanged(s, start, before, count);
    }
  }
}

代码示例来源：origin: hylinux1024/Componentization

@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
  if (mTextWatcher != null) {
    mTextWatcher.beforeTextChanged(s, start, count, after);
  }
}