android.view.ViewGroup#requestFocus ( )源码实例Demo

下面列出了android.view.ViewGroup#requestFocus ( ) 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。

源代码1 项目： FullScreenDialog 文件： FullScreenDialogFragment.java

@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
    initBuilderArguments();

    if (fullScreen)
        hideActivityActionBar(savedInstanceState == null);

    ViewGroup view = (ViewGroup) inflater.inflate(R.layout.full_screen_dialog, container, false);

    initToolbar(view);

    if (fullScreen)
        setThemeBackground(view);

    view.setFocusableInTouchMode(true);
    view.requestFocus();

    return view;
}

源代码2 项目： AndroidTvDemo 文件： BorderEffect.java

@Override
public void onLayout(View target, View attachView)
{
    try
    {
        ViewGroup viewGroup = (ViewGroup)attachView.getRootView();
        if (target.getParent() != null && target.getParent() != viewGroup)
        {
            target.setVisibility(View.GONE);
            if (mFirstFocus)
                viewGroup.requestFocus();
        }
    }
    catch (Exception ex)
    {
        ex.printStackTrace();
    }
}

源代码3 项目： budget-envelopes 文件： EditTextDefaultFocus.java

@Override protected void onAttachedToWindow() {
    super.onAttachedToWindow();
    if (mDefaultFocus) {
        if (getContext() instanceof Activity) {
            ((Activity)getContext())
            .getWindow()
             .setSoftInputMode(WindowManager
                               .LayoutParams
                                .SOFT_INPUT_STATE_ALWAYS_VISIBLE);
        }
        requestFocus();
    } else {
        ViewGroup parent = (ViewGroup)getParent();
        //while (parent.getParent() instanceof ViewGroup) {
        //    parent = (ViewGroup)parent.getParent();
        //}
        parent.setFocusableInTouchMode(true);
        parent.requestFocus();
        clearFocus();
    }
}

源代码4 项目： LivePlayback 文件： MetroViewBorderHandler.java

@Override
public void onLayout(View target, View attachView) {
    try {
        ViewGroup viewGroup = (ViewGroup) attachView.getRootView();
        if (target.getParent() != null && target.getParent() != viewGroup) {
            target.setVisibility(View.GONE);
            if (mFirstFocus)
                viewGroup.requestFocus();//如果是首次获取焦点,强制变成焦点态
        }
    } catch (Exception ex) {
        ex.printStackTrace();
    }
}

源代码5 项目： TvWidget 文件： BorderEffect.java

@Override
    public void onLayout(View target, View attachView) {
        try {
//            Log.d(TAG, "onLayout");
            ViewGroup viewGroup = (ViewGroup) attachView.getRootView();
            if (target.getParent() != null && target.getParent() != viewGroup) {
                target.setVisibility(View.GONE);
                if (mFirstFocus)
                    viewGroup.requestFocus();
            }
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }

源代码6 项目： TVSample 文件： MetroViewBorderHandler.java

@Override
public void onLayout(View target, View attachView) {
    try {
        ViewGroup viewGroup = (ViewGroup) attachView.getRootView();
        if (target.getParent() != null && target.getParent() != viewGroup) {
            target.setVisibility(View.GONE);
            if (mFirstFocus)
                viewGroup.requestFocus();//如果是首次获取焦点,强制变成焦点态
        }
    } catch (Exception ex) {
        ex.printStackTrace();
    }
}

源代码7 项目： TVSample 文件： MetroViewBorderHandler.java

@Override
public void onLayout(View target, View attachView) {
    try {
        ViewGroup viewGroup = (ViewGroup) attachView.getRootView();
        if (target.getParent() != null && target.getParent() != viewGroup) {
            target.setVisibility(View.GONE);
            if (mFirstFocus)
                viewGroup.requestFocus();
        }
    } catch (Exception ex) {
        ex.printStackTrace();
    }
}

源代码8 项目： ZXing-Standalone-library 文件： CaptureActivity.java

private void handleDecodeInternally(Result rawResult, ResultHandler resultHandler, Bitmap barcode) {

    CharSequence displayContents = resultHandler.getDisplayContents();

    if (copyToClipboard && !resultHandler.areContentsSecure()) {
      ClipboardInterface.setText(displayContents, this);
    }

    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);

    if (resultHandler.getDefaultButtonID() != null && prefs.getBoolean(PreferencesActivity.KEY_AUTO_OPEN_WEB, false)) {
      resultHandler.handleButtonPress(resultHandler.getDefaultButtonID());
      return;
    }

    statusView.setVisibility(View.GONE);
    viewfinderView.setVisibility(View.GONE);
    resultView.setVisibility(View.VISIBLE);

    ImageView barcodeImageView = (ImageView) findViewById(R.id.barcode_image_view);
    if (barcode == null) {
      barcodeImageView.setImageBitmap(BitmapFactory.decodeResource(getResources(),
          R.drawable.launcher_icon));
    } else {
      barcodeImageView.setImageBitmap(barcode);
    }

    TextView formatTextView = (TextView) findViewById(R.id.format_text_view);
    formatTextView.setText(rawResult.getBarcodeFormat().toString());

    TextView typeTextView = (TextView) findViewById(R.id.type_text_view);
    typeTextView.setText(resultHandler.getType().toString());

    DateFormat formatter = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT);
    TextView timeTextView = (TextView) findViewById(R.id.time_text_view);
    timeTextView.setText(formatter.format(new Date(rawResult.getTimestamp())));


    TextView metaTextView = (TextView) findViewById(R.id.meta_text_view);
    View metaTextViewLabel = findViewById(R.id.meta_text_view_label);
    metaTextView.setVisibility(View.GONE);
    metaTextViewLabel.setVisibility(View.GONE);
    Map<ResultMetadataType,Object> metadata = rawResult.getResultMetadata();
    if (metadata != null) {
      StringBuilder metadataText = new StringBuilder(20);
      for (Map.Entry<ResultMetadataType,Object> entry : metadata.entrySet()) {
        if (DISPLAYABLE_METADATA_TYPES.contains(entry.getKey())) {
          metadataText.append(entry.getValue()).append('\n');
        }
      }
      if (metadataText.length() > 0) {
        metadataText.setLength(metadataText.length() - 1);
        metaTextView.setText(metadataText);
        metaTextView.setVisibility(View.VISIBLE);
        metaTextViewLabel.setVisibility(View.VISIBLE);
      }
    }

    TextView contentsTextView = (TextView) findViewById(R.id.contents_text_view);
    contentsTextView.setText(displayContents);
    int scaledSize = Math.max(22, 32 - displayContents.length() / 4);
    contentsTextView.setTextSize(TypedValue.COMPLEX_UNIT_SP, scaledSize);

    TextView supplementTextView = (TextView) findViewById(R.id.contents_supplement_text_view);
    supplementTextView.setText("");
    supplementTextView.setOnClickListener(null);
    if (PreferenceManager.getDefaultSharedPreferences(this).getBoolean(
        PreferencesActivity.KEY_SUPPLEMENTAL, true)) {
      SupplementalInfoRetriever.maybeInvokeRetrieval(supplementTextView,
                                                     resultHandler.getResult(),
                                                     historyManager,
                                                     this);
    }

    int buttonCount = resultHandler.getButtonCount();
    ViewGroup buttonView = (ViewGroup) findViewById(R.id.result_button_view);
    buttonView.requestFocus();
    for (int x = 0; x < ResultHandler.MAX_BUTTON_COUNT; x++) {
      TextView button = (TextView) buttonView.getChildAt(x);
      if (x < buttonCount) {
        button.setVisibility(View.VISIBLE);
        button.setText(resultHandler.getButtonText(x));
        button.setOnClickListener(new ResultButtonListener(resultHandler, x));
      } else {
        button.setVisibility(View.GONE);
      }
    }

  }

源代码9 项目： Study_Android_Demo 文件： CaptureActivity.java

private void handleDecodeInternally(Result rawResult, ResultHandler resultHandler, Bitmap barcode) {

    CharSequence displayContents = resultHandler.getDisplayContents();

    if (copyToClipboard && !resultHandler.areContentsSecure()) {
      ClipboardInterface.setText(displayContents, this);
    }

    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);

    if (resultHandler.getDefaultButtonID() != null && prefs.getBoolean(PreferencesActivity.KEY_AUTO_OPEN_WEB, false)) {
      resultHandler.handleButtonPress(resultHandler.getDefaultButtonID());
      return;
    }

    statusView.setVisibility(View.GONE);
    viewfinderView.setVisibility(View.GONE);
    resultView.setVisibility(View.VISIBLE);

    ImageView barcodeImageView = (ImageView) findViewById(R.id.barcode_image_view);
    if (barcode == null) {
      barcodeImageView.setImageBitmap(BitmapFactory.decodeResource(getResources(),
          R.drawable.launcher_icon));
    } else {
      barcodeImageView.setImageBitmap(barcode);
    }

    TextView formatTextView = (TextView) findViewById(R.id.format_text_view);
    formatTextView.setText(rawResult.getBarcodeFormat().toString());

    TextView typeTextView = (TextView) findViewById(R.id.type_text_view);
    typeTextView.setText(resultHandler.getType().toString());

    DateFormat formatter = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT);
    TextView timeTextView = (TextView) findViewById(R.id.time_text_view);
    timeTextView.setText(formatter.format(new Date(rawResult.getTimestamp())));


    TextView metaTextView = (TextView) findViewById(R.id.meta_text_view);
    View metaTextViewLabel = findViewById(R.id.meta_text_view_label);
    metaTextView.setVisibility(View.GONE);
    metaTextViewLabel.setVisibility(View.GONE);
    Map<ResultMetadataType,Object> metadata = rawResult.getResultMetadata();
    if (metadata != null) {
      StringBuilder metadataText = new StringBuilder(20);
      for (Map.Entry<ResultMetadataType,Object> entry : metadata.entrySet()) {
        if (DISPLAYABLE_METADATA_TYPES.contains(entry.getKey())) {
          metadataText.append(entry.getValue()).append('\n');
        }
      }
      if (metadataText.length() > 0) {
        metadataText.setLength(metadataText.length() - 1);
        metaTextView.setText(metadataText);
        metaTextView.setVisibility(View.VISIBLE);
        metaTextViewLabel.setVisibility(View.VISIBLE);
      }
    }

    TextView contentsTextView = (TextView) findViewById(R.id.contents_text_view);
    contentsTextView.setText(displayContents);
    int scaledSize = Math.max(22, 32 - displayContents.length() / 4);
    contentsTextView.setTextSize(TypedValue.COMPLEX_UNIT_SP, scaledSize);

    TextView supplementTextView = (TextView) findViewById(R.id.contents_supplement_text_view);
    supplementTextView.setText("");
    supplementTextView.setOnClickListener(null);
    if (PreferenceManager.getDefaultSharedPreferences(this).getBoolean(
        PreferencesActivity.KEY_SUPPLEMENTAL, true)) {
      SupplementalInfoRetriever.maybeInvokeRetrieval(supplementTextView,
                                                     resultHandler.getResult(),
                                                     historyManager,
                                                     this);
    }

    int buttonCount = resultHandler.getButtonCount();
    ViewGroup buttonView = (ViewGroup) findViewById(R.id.result_button_view);
    buttonView.requestFocus();
    for (int x = 0; x < ResultHandler.MAX_BUTTON_COUNT; x++) {
      TextView button = (TextView) buttonView.getChildAt(x);
      if (x < buttonCount) {
        button.setVisibility(View.VISIBLE);
        button.setText(resultHandler.getButtonText(x));
        button.setOnClickListener(new ResultButtonListener(resultHandler, x));
      } else {
        button.setVisibility(View.GONE);
      }
    }

  }

源代码10 项目： barcodescanner-lib-aar 文件： CaptureActivity.java

private void handleDecodeInternally(Result rawResult, ResultHandler resultHandler, Bitmap barcode) {

    CharSequence displayContents = resultHandler.getDisplayContents();

    if (copyToClipboard && !resultHandler.areContentsSecure()) {
      ClipboardInterface.setText(displayContents, this);
    }

    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);

    if (resultHandler.getDefaultButtonID() != null && prefs.getBoolean(PreferencesActivity.KEY_AUTO_OPEN_WEB, false)) {
      resultHandler.handleButtonPress(resultHandler.getDefaultButtonID());
      return;
    }

    statusView.setVisibility(View.GONE);
    viewfinderView.setVisibility(View.GONE);
    resultView.setVisibility(View.VISIBLE);

    ImageView barcodeImageView = (ImageView) findViewById(R.id.barcode_image_view);
    if (barcode == null) {
      barcodeImageView.setImageBitmap(BitmapFactory.decodeResource(getResources(),
          R.drawable.launcher_icon));
    } else {
      barcodeImageView.setImageBitmap(barcode);
    }

    TextView formatTextView = (TextView) findViewById(R.id.format_text_view);
    formatTextView.setText(rawResult.getBarcodeFormat().toString());

    TextView typeTextView = (TextView) findViewById(R.id.type_text_view);
    typeTextView.setText(resultHandler.getType().toString());

    DateFormat formatter = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT);
    TextView timeTextView = (TextView) findViewById(R.id.time_text_view);
    timeTextView.setText(formatter.format(new Date(rawResult.getTimestamp())));


    TextView metaTextView = (TextView) findViewById(R.id.meta_text_view);
    View metaTextViewLabel = findViewById(R.id.meta_text_view_label);
    metaTextView.setVisibility(View.GONE);
    metaTextViewLabel.setVisibility(View.GONE);
    Map<ResultMetadataType,Object> metadata = rawResult.getResultMetadata();
    if (metadata != null) {
      StringBuilder metadataText = new StringBuilder(20);
      for (Map.Entry<ResultMetadataType,Object> entry : metadata.entrySet()) {
        if (DISPLAYABLE_METADATA_TYPES.contains(entry.getKey())) {
          metadataText.append(entry.getValue()).append('\n');
        }
      }
      if (metadataText.length() > 0) {
        metadataText.setLength(metadataText.length() - 1);
        metaTextView.setText(metadataText);
        metaTextView.setVisibility(View.VISIBLE);
        metaTextViewLabel.setVisibility(View.VISIBLE);
      }
    }

    TextView contentsTextView = (TextView) findViewById(R.id.contents_text_view);
    contentsTextView.setText(displayContents);
    int scaledSize = Math.max(22, 32 - displayContents.length() / 4);
    contentsTextView.setTextSize(TypedValue.COMPLEX_UNIT_SP, scaledSize);

    TextView supplementTextView = (TextView) findViewById(R.id.contents_supplement_text_view);
    supplementTextView.setText("");
    supplementTextView.setOnClickListener(null);
    if (PreferenceManager.getDefaultSharedPreferences(this).getBoolean(
        PreferencesActivity.KEY_SUPPLEMENTAL, true)) {
      SupplementalInfoRetriever.maybeInvokeRetrieval(supplementTextView,
                                                     resultHandler.getResult(),
                                                     historyManager,
                                                     this);
    }

    int buttonCount = resultHandler.getButtonCount();
    ViewGroup buttonView = (ViewGroup) findViewById(R.id.result_button_view);
    buttonView.requestFocus();
    for (int x = 0; x < ResultHandler.MAX_BUTTON_COUNT; x++) {
      TextView button = (TextView) buttonView.getChildAt(x);
      if (x < buttonCount) {
        button.setVisibility(View.VISIBLE);
        button.setText(resultHandler.getButtonText(x));
        button.setOnClickListener(new ResultButtonListener(resultHandler, x));
      } else {
        button.setVisibility(View.GONE);
      }
    }

  }

源代码11 项目： reacteu-app 文件： CaptureActivity.java

private void handleDecodeInternally(Result rawResult, ResultHandler resultHandler, Bitmap barcode) {
  statusView.setVisibility(View.GONE);
  viewfinderView.setVisibility(View.GONE);
  resultView.setVisibility(View.VISIBLE);

  ImageView barcodeImageView = (ImageView) findViewById(fakeR.getId("id", "barcode_image_view"));
  if (barcode == null) {
    barcodeImageView.setImageBitmap(BitmapFactory.decodeResource(getResources(),
        fakeR.getId("drawable", "launcher_icon")));
  } else {
    barcodeImageView.setImageBitmap(barcode);
  }

  TextView formatTextView = (TextView) findViewById(fakeR.getId("id", "format_text_view"));
  formatTextView.setText(rawResult.getBarcodeFormat().toString());

  TextView typeTextView = (TextView) findViewById(fakeR.getId("id", "type_text_view"));
  typeTextView.setText(resultHandler.getType().toString());

  DateFormat formatter = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT);
  String formattedTime = formatter.format(new Date(rawResult.getTimestamp()));
  TextView timeTextView = (TextView) findViewById(fakeR.getId("id", "time_text_view"));
  timeTextView.setText(formattedTime);


  TextView metaTextView = (TextView) findViewById(fakeR.getId("id", "meta_text_view"));
  View metaTextViewLabel = findViewById(fakeR.getId("id", "meta_text_view_label"));
  metaTextView.setVisibility(View.GONE);
  metaTextViewLabel.setVisibility(View.GONE);
  Map<ResultMetadataType,Object> metadata = rawResult.getResultMetadata();
  if (metadata != null) {
    StringBuilder metadataText = new StringBuilder(20);
    for (Map.Entry<ResultMetadataType,Object> entry : metadata.entrySet()) {
      if (DISPLAYABLE_METADATA_TYPES.contains(entry.getKey())) {
        metadataText.append(entry.getValue()).append('\n');
      }
    }
    if (metadataText.length() > 0) {
      metadataText.setLength(metadataText.length() - 1);
      metaTextView.setText(metadataText);
      metaTextView.setVisibility(View.VISIBLE);
      metaTextViewLabel.setVisibility(View.VISIBLE);
    }
  }

  TextView contentsTextView = (TextView) findViewById(fakeR.getId("id", "contents_text_view"));
  CharSequence displayContents = resultHandler.getDisplayContents();
  contentsTextView.setText(displayContents);
  // Crudely scale betweeen 22 and 32 -- bigger font for shorter text
  int scaledSize = Math.max(22, 32 - displayContents.length() / 4);
  contentsTextView.setTextSize(TypedValue.COMPLEX_UNIT_SP, scaledSize);

  TextView supplementTextView = (TextView) findViewById(fakeR.getId("id", "contents_supplement_text_view"));
  supplementTextView.setText("");
  supplementTextView.setOnClickListener(null);
  if (PreferenceManager.getDefaultSharedPreferences(this).getBoolean(
      PreferencesActivity.KEY_SUPPLEMENTAL, true)) {
    SupplementalInfoRetriever.maybeInvokeRetrieval(supplementTextView,
                                                   resultHandler.getResult(),
                                                   historyManager,
                                                   this);
  }

  int buttonCount = resultHandler.getButtonCount();
  ViewGroup buttonView = (ViewGroup) findViewById(fakeR.getId("id", "result_button_view"));
  buttonView.requestFocus();
  for (int x = 0; x < ResultHandler.MAX_BUTTON_COUNT; x++) {
    TextView button = (TextView) buttonView.getChildAt(x);
    if (x < buttonCount) {
      button.setVisibility(View.VISIBLE);
      button.setText(resultHandler.getButtonText(x));
      button.setOnClickListener(new ResultButtonListener(resultHandler, x));
    } else {
      button.setVisibility(View.GONE);
    }
  }

  if (copyToClipboard && !resultHandler.areContentsSecure()) {
    ClipboardManager clipboard = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
    if (displayContents != null) {
      clipboard.setText(displayContents);
    }
  }
}

源代码12 项目： android-apps 文件： CaptureActivity.java

private void handleDecodeInternally(Result rawResult, ResultHandler resultHandler, Bitmap barcode) {
  statusView.setVisibility(View.GONE);
  viewfinderView.setVisibility(View.GONE);
  resultView.setVisibility(View.VISIBLE);

  ImageView barcodeImageView = (ImageView) findViewById(R.id.barcode_image_view);
  if (barcode == null) {
    barcodeImageView.setImageBitmap(BitmapFactory.decodeResource(getResources(),
        R.drawable.launcher_icon));
  } else {
    barcodeImageView.setImageBitmap(barcode);
  }

  TextView formatTextView = (TextView) findViewById(R.id.format_text_view);
  formatTextView.setText(rawResult.getBarcodeFormat().toString());

  TextView typeTextView = (TextView) findViewById(R.id.type_text_view);
  typeTextView.setText(resultHandler.getType().toString());

  DateFormat formatter = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT);
  String formattedTime = formatter.format(new Date(rawResult.getTimestamp()));
  TextView timeTextView = (TextView) findViewById(R.id.time_text_view);
  timeTextView.setText(formattedTime);


  TextView metaTextView = (TextView) findViewById(R.id.meta_text_view);
  View metaTextViewLabel = findViewById(R.id.meta_text_view_label);
  metaTextView.setVisibility(View.GONE);
  metaTextViewLabel.setVisibility(View.GONE);
  Map<ResultMetadataType,Object> metadata = rawResult.getResultMetadata();
  if (metadata != null) {
    StringBuilder metadataText = new StringBuilder(20);
    for (Map.Entry<ResultMetadataType,Object> entry : metadata.entrySet()) {
      if (DISPLAYABLE_METADATA_TYPES.contains(entry.getKey())) {
        metadataText.append(entry.getValue()).append('\n');
      }
    }
    if (metadataText.length() > 0) {
      metadataText.setLength(metadataText.length() - 1);
      metaTextView.setText(metadataText);
      metaTextView.setVisibility(View.VISIBLE);
      metaTextViewLabel.setVisibility(View.VISIBLE);
    }
  }

  TextView contentsTextView = (TextView) findViewById(R.id.contents_text_view);
  CharSequence displayContents = resultHandler.getDisplayContents();
  contentsTextView.setText(displayContents);
  // Crudely scale betweeen 22 and 32 -- bigger font for shorter text
  int scaledSize = Math.max(22, 32 - displayContents.length() / 4);
  contentsTextView.setTextSize(TypedValue.COMPLEX_UNIT_SP, scaledSize);

  TextView supplementTextView = (TextView) findViewById(R.id.contents_supplement_text_view);
  supplementTextView.setText("");
  supplementTextView.setOnClickListener(null);
  if (PreferenceManager.getDefaultSharedPreferences(this).getBoolean(
      PreferencesActivity.KEY_SUPPLEMENTAL, true)) {
    SupplementalInfoRetriever.maybeInvokeRetrieval(supplementTextView,
                                                   resultHandler.getResult(),
                                                   handler,
                                                   historyManager,
                                                   this);
  }

  int buttonCount = resultHandler.getButtonCount();
  ViewGroup buttonView = (ViewGroup) findViewById(R.id.result_button_view);
  buttonView.requestFocus();
  for (int x = 0; x < ResultHandler.MAX_BUTTON_COUNT; x++) {
    TextView button = (TextView) buttonView.getChildAt(x);
    if (x < buttonCount) {
      button.setVisibility(View.VISIBLE);
      button.setText(resultHandler.getButtonText(x));
      button.setOnClickListener(new ResultButtonListener(resultHandler, x));
    } else {
      button.setVisibility(View.GONE);
    }
  }

  if (copyToClipboard && !resultHandler.areContentsSecure()) {
    ClipboardManager clipboard = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
    clipboard.setText(displayContents);
  }
}

方法所在类

android.view.ViewGroup