android.widget.TextView.getBackground()方法的使用及代码示例

x33g5p2x  于2022-01-29 转载在 其他  
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本文整理了Java中android.widget.TextView.getBackground()方法的一些代码示例，展示了TextView.getBackground()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。TextView.getBackground()方法的具体详情如下：
包路径：android.widget.TextView
类名称：TextView
方法名：getBackground

TextView.getBackground介绍

暂无

代码示例

代码示例来源：origin: stackoverflow.com

TextView tv = (TextView)findViewById(R.id.image_test);
 LayerDrawable ld = (LayerDrawable)tv.getBackground();
 int topInset = tv.getHeight() / 2 ; //does not work!
 ld.setLayerInset(1, 0, topInset, 0, 0);
 tv.setBackgroundDrawable(ld);

代码示例来源：origin: stackoverflow.com

final TextView tv = (TextView)findViewById(R.id.image_test);
   ViewTreeObserver vto = tv.getViewTreeObserver();
   vto.addOnGlobalLayoutListener(new OnGlobalLayoutListener() {
     @Override
     public void onGlobalLayout() {
       LayerDrawable ld = (LayerDrawable)tv.getBackground();
       ld.setLayerInset(1, 0, tv.getHeight() / 2, 0, 0);
     }
   });

代码示例来源：origin: stackoverflow.com

TextView tv2 = (TextView) rl.findViewById(R.id.toggle_indicator);
/* Refer to http://developer.android.com/reference/android/graphics/drawable/GradientDrawable.html#mutate()
to understand why we need to mutate the GradientDrawable*/
GradientDrawable sd = (GradientDrawable) tv2.getBackground().mutate();
sd.setColor(0xff999999);
sd.invalidateSelf();

代码示例来源：origin: GitLqr/LQRWeChat

/**
 * 把press图片、文字全部隐藏(设置透明度)
 */
private void setTransparency() {
  mTvMessageNormal.getBackground().setAlpha(255);
  mTvContactsNormal.getBackground().setAlpha(255);
  mTvDiscoveryNormal.getBackground().setAlpha(255);
  mTvMeNormal.getBackground().setAlpha(255);
  mTvMessagePress.getBackground().setAlpha(1);
  mTvContactsPress.getBackground().setAlpha(1);
  mTvDiscoveryPress.getBackground().setAlpha(1);
  mTvMePress.getBackground().setAlpha(1);
  mTvMessageTextNormal.setTextColor(Color.argb(255, 153, 153, 153));
  mTvContactsTextNormal.setTextColor(Color.argb(255, 153, 153, 153));
  mTvDiscoveryTextNormal.setTextColor(Color.argb(255, 153, 153, 153));
  mTvMeTextNormal.setTextColor(Color.argb(255, 153, 153, 153));
  mTvMessageTextPress.setTextColor(Color.argb(0, 69, 192, 26));
  mTvContactsTextPress.setTextColor(Color.argb(0, 69, 192, 26));
  mTvDiscoveryTextPress.setTextColor(Color.argb(0, 69, 192, 26));
  mTvMeTextPress.setTextColor(Color.argb(0, 69, 192, 26));
}

代码示例来源：origin: stackoverflow.com

final TextView tv = (TextView)findViewById(R.id.image_test);
ViewTreeObserver vto = tv.getViewTreeObserver();
vto.addOnGlobalLayoutListener(new OnGlobalLayoutListener() {

  @Override
  public void onGlobalLayout() {
    LayerDrawable ld = (LayerDrawable)tv.getBackground();
    ld.setLayerInset(1, 0, tv.getHeight() / 2, 0, 0);
    ViewTreeObserver obs = tv.getViewTreeObserver();

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
      obs.removeOnGlobalLayoutListener(this);
    } else {
      obs.removeGlobalOnLayoutListener(this);
    }
  }

});

代码示例来源：origin: GitLqr/LQRWeChat

public void bottomBtnClick(View view) {
  setTransparency();
  switch (view.getId()) {
    case R.id.llMessage:
      mVpContent.setCurrentItem(0, false);
      mTvMessagePress.getBackground().setAlpha(255);
      mTvMessageTextPress.setTextColor(Color.argb(255, 69, 192, 26));
      break;
    case R.id.llContacts:
      mVpContent.setCurrentItem(1, false);
      mTvContactsPress.getBackground().setAlpha(255);
      mTvContactsTextPress.setTextColor(Color.argb(255, 69, 192, 26));
      break;
    case R.id.llDiscovery:
      mVpContent.setCurrentItem(2, false);
      mTvDiscoveryPress.getBackground().setAlpha(255);
      mTvDiscoveryTextPress.setTextColor(Color.argb(255, 69, 192, 26));
      break;
    case R.id.llMe:
      mVpContent.setCurrentItem(3, false);
      mTvMePress.getBackground().setAlpha(255);
      mTvMeTextPress.setTextColor(Color.argb(255, 69, 192, 26));
      break;
  }
}

代码示例来源：origin: stackoverflow.com

final TextView tv = (TextView)findViewById(R.id.image_test);
ViewTreeObserver vto = tv.getViewTreeObserver();
vto.addOnGlobalLayoutListener(new OnGlobalLayoutListener() {
  @Override
  public void onGlobalLayout() {
    LayerDrawable ld = (LayerDrawable)tv.getBackground();
    ld.setLayerInset(1, 0, tv.getHeight() / 2, 0, 0);
  }
});

代码示例来源：origin: udacity/ud851-Exercises

/**
 * Called by the RecyclerView to display data at a specified position in the Cursor.
 *
 * @param holder   The ViewHolder to bind Cursor data to
 * @param position The position of the data in the Cursor
 */
@Override
public void onBindViewHolder(TaskViewHolder holder, int position) {
  // Determine the values of the wanted data
  TaskEntry taskEntry = mTaskEntries.get(position);
  String description = taskEntry.getDescription();
  int priority = taskEntry.getPriority();
  String updatedAt = dateFormat.format(taskEntry.getUpdatedAt());
  //Set values
  holder.taskDescriptionView.setText(description);
  holder.updatedAtView.setText(updatedAt);
  // Programmatically set the text and color for the priority TextView
  String priorityString = "" + priority; // converts int to String
  holder.priorityView.setText(priorityString);
  GradientDrawable priorityCircle = (GradientDrawable) holder.priorityView.getBackground();
  // Get the appropriate background color based on the priority
  int priorityColor = getPriorityColor(priority);
  priorityCircle.setColor(priorityColor);
}

代码示例来源：origin: udacity/ud851-Exercises

/**
 * Called by the RecyclerView to display data at a specified position in the Cursor.
 *
 * @param holder   The ViewHolder to bind Cursor data to
 * @param position The position of the data in the Cursor
 */
@Override
public void onBindViewHolder(TaskViewHolder holder, int position) {
  // Determine the values of the wanted data
  TaskEntry taskEntry = mTaskEntries.get(position);
  String description = taskEntry.getDescription();
  int priority = taskEntry.getPriority();
  String updatedAt = dateFormat.format(taskEntry.getUpdatedAt());
  //Set values
  holder.taskDescriptionView.setText(description);
  holder.updatedAtView.setText(updatedAt);
  // Programmatically set the text and color for the priority TextView
  String priorityString = "" + priority; // converts int to String
  holder.priorityView.setText(priorityString);
  GradientDrawable priorityCircle = (GradientDrawable) holder.priorityView.getBackground();
  // Get the appropriate background color based on the priority
  int priorityColor = getPriorityColor(priority);
  priorityCircle.setColor(priorityColor);
}

代码示例来源：origin: udacity/ud851-Exercises

/**
 * Called by the RecyclerView to display data at a specified position in the Cursor.
 *
 * @param holder   The ViewHolder to bind Cursor data to
 * @param position The position of the data in the Cursor
 */
@Override
public void onBindViewHolder(TaskViewHolder holder, int position) {
  // Determine the values of the wanted data
  TaskEntry taskEntry = mTaskEntries.get(position);
  String description = taskEntry.getDescription();
  int priority = taskEntry.getPriority();
  String updatedAt = dateFormat.format(taskEntry.getUpdatedAt());
  //Set values
  holder.taskDescriptionView.setText(description);
  holder.updatedAtView.setText(updatedAt);
  // Programmatically set the text and color for the priority TextView
  String priorityString = "" + priority; // converts int to String
  holder.priorityView.setText(priorityString);
  GradientDrawable priorityCircle = (GradientDrawable) holder.priorityView.getBackground();
  // Get the appropriate background color based on the priority
  int priorityColor = getPriorityColor(priority);
  priorityCircle.setColor(priorityColor);
}

代码示例来源：origin: udacity/ud851-Exercises

/**
 * Called by the RecyclerView to display data at a specified position in the Cursor.
 *
 * @param holder   The ViewHolder to bind Cursor data to
 * @param position The position of the data in the Cursor
 */
@Override
public void onBindViewHolder(TaskViewHolder holder, int position) {
  // Determine the values of the wanted data
  TaskEntry taskEntry = mTaskEntries.get(position);
  String description = taskEntry.getDescription();
  int priority = taskEntry.getPriority();
  String updatedAt = dateFormat.format(taskEntry.getUpdatedAt());
  //Set values
  holder.taskDescriptionView.setText(description);
  holder.updatedAtView.setText(updatedAt);
  // Programmatically set the text and color for the priority TextView
  String priorityString = "" + priority; // converts int to String
  holder.priorityView.setText(priorityString);
  GradientDrawable priorityCircle = (GradientDrawable) holder.priorityView.getBackground();
  // Get the appropriate background color based on the priority
  int priorityColor = getPriorityColor(priority);
  priorityCircle.setColor(priorityColor);
}

代码示例来源：origin: udacity/ud851-Exercises

/**
 * Called by the RecyclerView to display data at a specified position in the Cursor.
 *
 * @param holder   The ViewHolder to bind Cursor data to
 * @param position The position of the data in the Cursor
 */
@Override
public void onBindViewHolder(TaskViewHolder holder, int position) {
  // Determine the values of the wanted data
  TaskEntry taskEntry = mTaskEntries.get(position);
  String description = taskEntry.getDescription();
  int priority = taskEntry.getPriority();
  String updatedAt = dateFormat.format(taskEntry.getUpdatedAt());
  //Set values
  holder.taskDescriptionView.setText(description);
  holder.updatedAtView.setText(updatedAt);
  // Programmatically set the text and color for the priority TextView
  String priorityString = "" + priority; // converts int to String
  holder.priorityView.setText(priorityString);
  GradientDrawable priorityCircle = (GradientDrawable) holder.priorityView.getBackground();
  // Get the appropriate background color based on the priority
  int priorityColor = getPriorityColor(priority);
  priorityCircle.setColor(priorityColor);
}

代码示例来源：origin: udacity/ud851-Exercises

/**
 * Called by the RecyclerView to display data at a specified position in the Cursor.
 *
 * @param holder   The ViewHolder to bind Cursor data to
 * @param position The position of the data in the Cursor
 */
@Override
public void onBindViewHolder(TaskViewHolder holder, int position) {
  // Determine the values of the wanted data
  TaskEntry taskEntry = mTaskEntries.get(position);
  String description = taskEntry.getDescription();
  int priority = taskEntry.getPriority();
  String updatedAt = dateFormat.format(taskEntry.getUpdatedAt());
  //Set values
  holder.taskDescriptionView.setText(description);
  holder.updatedAtView.setText(updatedAt);
  // Programmatically set the text and color for the priority TextView
  String priorityString = "" + priority; // converts int to String
  holder.priorityView.setText(priorityString);
  GradientDrawable priorityCircle = (GradientDrawable) holder.priorityView.getBackground();
  // Get the appropriate background color based on the priority
  int priorityColor = getPriorityColor(priority);
  priorityCircle.setColor(priorityColor);
}

代码示例来源：origin: udacity/ud851-Exercises

/**
 * Called by the RecyclerView to display data at a specified position in the Cursor.
 *
 * @param holder   The ViewHolder to bind Cursor data to
 * @param position The position of the data in the Cursor
 */
@Override
public void onBindViewHolder(TaskViewHolder holder, int position) {
  // Determine the values of the wanted data
  TaskEntry taskEntry = mTaskEntries.get(position);
  String description = taskEntry.getDescription();
  int priority = taskEntry.getPriority();
  String updatedAt = dateFormat.format(taskEntry.getUpdatedAt());
  //Set values
  holder.taskDescriptionView.setText(description);
  holder.updatedAtView.setText(updatedAt);
  // Programmatically set the text and color for the priority TextView
  String priorityString = "" + priority; // converts int to String
  holder.priorityView.setText(priorityString);
  GradientDrawable priorityCircle = (GradientDrawable) holder.priorityView.getBackground();
  // Get the appropriate background color based on the priority
  int priorityColor = getPriorityColor(priority);
  priorityCircle.setColor(priorityColor);
}

代码示例来源：origin: udacity/ud851-Exercises

/**
 * Called by the RecyclerView to display data at a specified position in the Cursor.
 *
 * @param holder   The ViewHolder to bind Cursor data to
 * @param position The position of the data in the Cursor
 */
@Override
public void onBindViewHolder(TaskViewHolder holder, int position) {
  // Determine the values of the wanted data
  TaskEntry taskEntry = mTaskEntries.get(position);
  String description = taskEntry.getDescription();
  int priority = taskEntry.getPriority();
  String updatedAt = dateFormat.format(taskEntry.getUpdatedAt());
  //Set values
  holder.taskDescriptionView.setText(description);
  holder.updatedAtView.setText(updatedAt);
  // Programmatically set the text and color for the priority TextView
  String priorityString = "" + priority; // converts int to String
  holder.priorityView.setText(priorityString);
  GradientDrawable priorityCircle = (GradientDrawable) holder.priorityView.getBackground();
  // Get the appropriate background color based on the priority
  int priorityColor = getPriorityColor(priority);
  priorityCircle.setColor(priorityColor);
}

代码示例来源：origin: udacity/ud851-Exercises

/**
 * Called by the RecyclerView to display data at a specified position in the Cursor.
 *
 * @param holder   The ViewHolder to bind Cursor data to
 * @param position The position of the data in the Cursor
 */
@Override
public void onBindViewHolder(TaskViewHolder holder, int position) {
  // Determine the values of the wanted data
  TaskEntry taskEntry = mTaskEntries.get(position);
  String description = taskEntry.getDescription();
  int priority = taskEntry.getPriority();
  String updatedAt = dateFormat.format(taskEntry.getUpdatedAt());
  //Set values
  holder.taskDescriptionView.setText(description);
  holder.updatedAtView.setText(updatedAt);
  // Programmatically set the text and color for the priority TextView
  String priorityString = "" + priority; // converts int to String
  holder.priorityView.setText(priorityString);
  GradientDrawable priorityCircle = (GradientDrawable) holder.priorityView.getBackground();
  // Get the appropriate background color based on the priority
  int priorityColor = getPriorityColor(priority);
  priorityCircle.setColor(priorityColor);
}

代码示例来源：origin: udacity/ud851-Exercises

/**
 * Called by the RecyclerView to display data at a specified position in the Cursor.
 *
 * @param holder   The ViewHolder to bind Cursor data to
 * @param position The position of the data in the Cursor
 */
@Override
public void onBindViewHolder(TaskViewHolder holder, int position) {
  // Determine the values of the wanted data
  TaskEntry taskEntry = mTaskEntries.get(position);
  String description = taskEntry.getDescription();
  int priority = taskEntry.getPriority();
  String updatedAt = dateFormat.format(taskEntry.getUpdatedAt());
  //Set values
  holder.taskDescriptionView.setText(description);
  holder.updatedAtView.setText(updatedAt);
  // Programmatically set the text and color for the priority TextView
  String priorityString = "" + priority; // converts int to String
  holder.priorityView.setText(priorityString);
  GradientDrawable priorityCircle = (GradientDrawable) holder.priorityView.getBackground();
  // Get the appropriate background color based on the priority
  int priorityColor = getPriorityColor(priority);
  priorityCircle.setColor(priorityColor);
}

代码示例来源：origin: GitLqr/LQRWeChat

@Override
public void initView() {
  setToolbarTitle(UIUtils.getString(R.string.app_name));
  mIbAddMenu.setVisibility(View.VISIBLE);
  //等待全局数据获取完毕
  showWaitingDialog(UIUtils.getString(R.string.please_wait));
  //默认选中第一个
  setTransparency();
  mTvMessagePress.getBackground().setAlpha(255);
  mTvMessageTextPress.setTextColor(Color.argb(255, 69, 192, 26));
  //设置ViewPager的最大缓存页面
  mVpContent.setOffscreenPageLimit(3);
  mFragmentList.add(FragmentFactory.getInstance().getRecentMessageFragment());
  mFragmentList.add(FragmentFactory.getInstance().getContactsFragment());
  mFragmentList.add(FragmentFactory.getInstance().getDiscoveryFragment());
  mFragmentList.add(FragmentFactory.getInstance().getMeFragment());
  mVpContent.setAdapter(new CommonFragmentPagerAdapter(getSupportFragmentManager(), mFragmentList));
}

代码示例来源：origin: stackoverflow.com

public void onCreate() {
setContentView(R.layout.main);

final TextView tv = (TextView)findViewById(R.id.image_test);
final LayerDrawable ld = (LayerDrawable)tv.getBackground();
final ViewTreeObserver obs = mTv.getViewTreeObserver();
obs.addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() {
  @Override
  public boolean onPreDraw () {
    Log.d(TAG, "onPreDraw tv height is " + tv.getHeight()); // bad for performance, remove on production
    int height = tv.getHeight();
    int topInset = height / 2;
    ld.setLayerInset(1, 0, topInset, 0, 0);
    tv.setBackgroundDrawable(ld);

    return true;
  }
});
}

代码示例来源：origin: stackoverflow.com

private int mLastTvHeight = 0;

public void onCreate() {
setContentView(R.layout.main);

final TextView tv = (TextView)findViewById(R.id.image_test);
final LayerDrawable ld = (LayerDrawable)tv.getBackground();
final ViewTreeObserver obs = mTv.getViewTreeObserver();
obs.addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() {
  @Override
  public boolean onPreDraw () {
    Log.d(TAG, "onPreDraw tv height is " + tv.getHeight()); // bad for performance, remove on production
    int height = tv.getHeight();
    if (height != mLastTvHeight) {
      mLastTvHeight = height;
      int topInset = height / 2;
      ld.setLayerInset(1, 0, topInset, 0, 0);
      tv.setBackgroundDrawable(ld);
    }

    return true;
  }
});
}

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