下面列出了android.widget.RadioButton#setChecked ( ) 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。
private void setUpKeywords() {
RadioButton radioButtonNameOrDescription = radioGroupKeywords.findViewById(R.id.search_radio_button_name_or_description);
RadioButton radioButtonExactName = radioGroupKeywords.findViewById(R.id.search_radio_button_exact_name);
RadioButton radioButtonDescription = radioGroupKeywords.findViewById(R.id.search_radio_button_description);
String sharedPreferenceKeywords = ArchPackagesSharedPreferences.getSharedPreferenceString(context,
getString(R.string.key_keywords), getString(R.string.key_keywords_name_or_description));
if (TextUtils.equals(sharedPreferenceKeywords, getString(R.string.key_keywords_name_or_description))) {
radioButtonNameOrDescription.setChecked(true);
} else if (TextUtils.equals(sharedPreferenceKeywords, getString(R.string.key_keywords_exact_name))) {
radioButtonExactName.setChecked(true);
} else if (TextUtils.equals(sharedPreferenceKeywords, getString(R.string.key_keywords_description))) {
radioButtonDescription.setChecked(true);
} else {
radioButtonNameOrDescription.setChecked(true);
}
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View mView = inflater.inflate(R.layout.fragment_settings, container, false);
cameraRG = mView.findViewById(R.id.camera_rg);
cameraRG.setOnCheckedChangeListener(this);
RadioButton frontCam = mView.findViewById(R.id.front);
frontCam.setChecked(true);
resolutionRG = mView.findViewById(R.id.resolution_rg);
resolutionRG.setOnCheckedChangeListener(this);
RadioButton vgaReso = mView.findViewById(R.id.vga);
vgaReso.setChecked(true);
return mView;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
final View view = convertView != null ? convertView
: mInflater.inflate(mTextViewResourceId, null);
if (position < 0 || position >= mItemsList.size()) return view;
final ImeSubtypeListItem item = mItemsList.get(position);
final CharSequence imeName = item.mImeName;
final CharSequence subtypeName = item.mSubtypeName;
final TextView firstTextView = (TextView)view.findViewById(android.R.id.text1);
final TextView secondTextView = (TextView)view.findViewById(android.R.id.text2);
if (TextUtils.isEmpty(subtypeName)) {
firstTextView.setText(imeName);
secondTextView.setVisibility(View.GONE);
} else {
firstTextView.setText(subtypeName);
secondTextView.setText(imeName);
secondTextView.setVisibility(View.VISIBLE);
}
final RadioButton radioButton =
(RadioButton)view.findViewById(com.android.internal.R.id.radio);
radioButton.setChecked(position == mCheckedItem);
return view;
}
public void init(Context mContext, OnEmoticonTapListener mTapListener, Resources resources) {
this.mContext = mContext;
this.mTapListener = mTapListener;
this.resources = resources;
parser = EmojiParser.getInstance(mContext);
mEmojiGridView = (GridView) this.findViewById(R.id.message_facebar_gv_emotes);
adapter = new EmojiAdapter();
mEmojiGridView.setAdapter(adapter);
mEmojiGridView.setOnItemClickListener(this);
mEmojiGroup = (RadioGroup) findViewById(R.id.message_facebar_radiobutton_type);
mEmojiGroup.setOnCheckedChangeListener(this);
mEmojiRadio1 = (RadioButton) this.findViewById(R.id.emote_radio_1);
mEmojiRadio1.setOnClickListener(this);
mEmojiRadio1.setSelected(true);
mEmojiRadio1.setChecked(true);
mEmojiRadio2 = (RadioButton) this.findViewById(R.id.emote_radio_2);
mEmojiRadio2.setOnClickListener(this);
mEmojiRadio3 = (RadioButton) this.findViewById(R.id.emote_radio_3);
mEmojiRadio3.setOnClickListener(this);
mEmojiRadio4 = (RadioButton) this.findViewById(R.id.emote_radio_4);
mEmojiRadio4.setOnClickListener(this);
mEmojiRadio5 = (RadioButton) this.findViewById(R.id.emote_radio_5);
mEmojiRadio5.setOnClickListener(this);
mEmojiDelte = (ImageView) this.findViewById(R.id.emote_radio_delete);
mEmojiDelte.setOnClickListener(this);
}
public void onClick(View view) {
switch (view.getId()) {
case R.id.button1:
RadioButton celsiusButton = (RadioButton) findViewById(R.id.radio0);
RadioButton fahrenheitButton = (RadioButton) findViewById(R.id.radio1);
if (text.getText().length() == 0) {
Toast.makeText(this, "Please enter a valid number",
Toast.LENGTH_LONG).show();
return;
}
float inputValue = Float.parseFloat(text.getText().toString());
if (celsiusButton.isChecked()) {
text.setText(String
.valueOf(ConverterUtil.convertFahrenheitToCelsius(inputValue)));
celsiusButton.setChecked(false);
fahrenheitButton.setChecked(true);
} else {
text.setText(String
.valueOf(ConverterUtil.convertCelsiusToFahrenheit(inputValue)));
fahrenheitButton.setChecked(false);
celsiusButton.setChecked(true);
}
break;
}
}
@NonNull
private RadioButton initData(int length, int i, Object imagepath) {
initImageView(i, imagepath);
RadioButton radioButton = new RadioButton(context);
if (selectTab != 0) {
radioButton.setBackgroundResource(selectTab);
radioButton.setButtonDrawable(context.getResources().getDrawable(android.R.color.transparent));
}
RadioGroup.LayoutParams buttonParams = new RadioGroup.LayoutParams(tabWidth, tabHeight);
if (i != length - 1) {
buttonParams.setMargins(0, 0, tabMargin, 0);
}
radioButton.setLayoutParams(buttonParams);
radioButton.setId(i);
if (i == 0) radioButton.setChecked(true);
return radioButton;
}
@BindingAdapter({"checked", "model"})
public static <T> void setChecked(RadioButton radioButton, final ObservableField<T> checked, final T model) {
if (checked == null) {
return;
}
radioButton.setOnCheckedChangeListener(
(buttonView, isChecked) -> {
if ((checked.get() == null || !checked.get().equals(model))
&& isChecked) {
checked.set(model);
}
});
final T checkedModel = checked.get();
final boolean shouldBeChecked = checkedModel != null && checkedModel.equals(model);
if (shouldBeChecked != radioButton.isChecked()) {
radioButton.setChecked(shouldBeChecked);
}
}
private void registerViews(View view) {
labelTaskName = (TextView) view.findViewById(R.id.id_tv_task_name_label);
Utils.markFieldMandatory(labelTaskName);
taskName = (EditText) view.findViewById(R.id.id_et_task_name);
pictureFileName = (EditText) view.findViewById(R.id.id_et_task_picture);
soundFileName = (EditText) view.findViewById(R.id.id_et_task_sound);
taskDurationTime = (EditText) view.findViewById(R.id.id_et_task_duration_time);
picturePreview = (ImageView) view.findViewById(R.id.iv_picture_preview);
clearSound = (ImageButton) view.findViewById(R.id.id_ib_clear_sound_btn);
clearPicture = (ImageButton) view.findViewById(R.id.id_ib_clear_img_btn);
steps = (Button) view.findViewById(R.id.id_btn_steps);
types = (RadioGroup) view.findViewById(R.id.id_rg_types);
RadioButton typeTask = (RadioButton) view.findViewById(R.id.id_rb_type_task);
typeTask.setChecked(true);
taskType = TaskType.TASK;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
if (convertView == null) {
convertView = LayoutInflater.from(mContext).inflate(R.layout.main_menu_item, null);
}
//绑定item内的TextView和RadioButton
TextView nameText = MenuDialogAdapterViewHolder.get(convertView, R.id.menu_item_textview);
RadioButton clickButton = MenuDialogAdapterViewHolder.get(convertView, R.id.radioButton);
clickButton.setChecked(selectedPos == position);//改变点击选中状态
//修改item高度,使其达到甲方要求的每页10个item显示要求
ViewGroup.LayoutParams lp = nameText.getLayoutParams();
lp.height = parent.getHeight() / 10;
//获取选中的item的标题
CommodityTypeModel menuData = menuDatas.get(position);
String str = menuData.getName();
nameText.setText(str);//设置标题
convertView.setSelected(selectedPos == position);//设置选中时的view
nameText.setSelected(selectedPos == position);//判断菜单的点击状态
//选中后的标题字体及RadioButton颜色
nameText.setTextColor(selectedPos == position ? 0xFF387ef5 : 0xFF222222);
clickButton.setTextColor(selectedPos == position ? 0xFF787878 : 0xFF387ef5);
return convertView;
}
@NonNull
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
View dialogView = View.inflate(getActivity(), R.layout.dialog_fileformat, null);
final RadioButton jsonRadio = ButterKnife.findById(dialogView, R.id.radioButton_json);
final RadioButton mpsitesRadio = ButterKnife
.findById(dialogView, R.id.radioButton_mpsites);
jsonRadio.setChecked(true);
builder.setView(dialogView);
builder.setTitle(R.string.title_exportFormat);
builder.setNegativeButton(android.R.string.cancel, null);
int okButtonTextResource = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT
? android.R.string.ok
: R.string.caption_selectFolder;
builder.setPositiveButton(okButtonTextResource, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
Exporter exporter = new Exporter();
ExportType exportType = ExportType.JSON;
if (mpsitesRadio.isChecked()) {
exportType = ExportType.MPSITES;
}
exporter.startExportIntent(getActivity(), exportType);
dismiss();
}
});
return builder.create();
}
@Override
protected void onBindView(final View view) {
super.onBindView(view);
mRadioButton = (RadioButton)view.findViewById(R.id.radio_button);
mRadioButton.setChecked(mIsSelected);
mRadioButton.setOnClickListener(mClickListener);
view.setOnClickListener(mClickListener);
}
protected void setupRadioButtons() {
RadioButton dropdownRadioButton = findViewById(R.id.radiobutton_dropdown);
RadioButton fadeRadioButton = findViewById(R.id.radiobutton_fade);
RadioButton singleRadioButton = findViewById(R.id.radiobutton_single);
RadioButton multipleRadioButton = findViewById(R.id.radiobutton_multiple);
switch (mRecyclerView.getChildExpandAnimation()) {
case OmegaExpandableRecyclerView.CHILD_ANIM_DROPDOWN:
dropdownRadioButton.setChecked(true);
break;
case OmegaExpandableRecyclerView.CHILD_ANIM_FADE:
fadeRadioButton.setChecked(true);
break;
}
switch (mRecyclerView.getChildExpandAnimation()) {
case OmegaExpandableRecyclerView.CHILD_ANIM_DROPDOWN:
dropdownRadioButton.setChecked(true);
break;
case OmegaExpandableRecyclerView.CHILD_ANIM_FADE:
fadeRadioButton.setChecked(true);
break;
}
dropdownRadioButton.setOnCheckedChangeListener(this);
fadeRadioButton.setOnCheckedChangeListener(this);
singleRadioButton.setOnCheckedChangeListener(this);
multipleRadioButton.setOnCheckedChangeListener(this);
}
@NonNull
@Override
public View getView(int position, View view, @NonNull ViewGroup parent) {
Context context = parent.getContext();
if (view == null) {
LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
view = inflater.inflate(resId, parent, false);
}
CheckBox box = (CheckBox) view.findViewById(android.R.id.checkbox);
RadioButton button = (RadioButton) view.findViewById(android.R.id.button1);
TextView text1 = (TextView) view.findViewById(android.R.id.text1);
TextView text2 = (TextView) view.findViewById(android.R.id.text2);
CharSequence filename = objects.get(position);
text1.setText(filename);
if (multiMode) {
box.setChecked(checkedItems[position]);
} else {
button.setChecked(checked == position);
}
Date lastModified = SaveLogHelper.getLastModifiedDate(filename.toString());
DateFormat dateFormat = DateFormat.getDateTimeInstance();
text2.setText(dateFormat.format(lastModified));
return view;
}
@Override
public void clearAnswer() {
for (RadioButton button : this.buttons) {
if (button.isChecked()) {
button.setChecked(false);
break;
}
}
clearButton.setVisibility(GONE);
}
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
onUserInteracton();
if (isChecked) {
for (RadioButton button : this.buttons) {
if (button.isChecked() && !(buttonView == button)) {
button.setChecked(false);
}
}
clearButton.setVisibility(VISIBLE);
}
widgetEntryChanged();
}
public void choseProvider() {
final AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(getActivity(), getActivity().getDialogStyle());
View dialogLayout = LayoutInflater.from(getActivity()).inflate(R.layout.dialog_map_provider, null);
TextView dialogTitle = dialogLayout.findViewById(R.id.title);
((CardView) dialogLayout.findViewById(R.id.dialog_chose_provider_title)).setCardBackgroundColor(getActivity().getCardBackgroundColor());
dialogTitle.setBackgroundColor(getActivity().getPrimaryColor());
final RadioGroup mapProvider = dialogLayout.findViewById(R.id.radio_group_maps_provider);
RadioButton radioGoogleMaps = dialogLayout.findViewById(R.id.radio_google_maps);
RadioButton radioMapBoxStreets = dialogLayout.findViewById(R.id.radio_mapb_streets);
RadioButton radioMapBoxDark = dialogLayout.findViewById(R.id.radio_mapb_dark);
RadioButton radioMapBoxLight = dialogLayout.findViewById(R.id.radio_mapb_light);
RadioButton radioTyler = dialogLayout.findViewById(R.id.radio_osm_tyler);
getActivity().themeRadioButton(radioGoogleMaps);
getActivity().themeRadioButton(radioMapBoxStreets);
getActivity().themeRadioButton(radioMapBoxDark);
getActivity().themeRadioButton(radioMapBoxLight);
getActivity().themeRadioButton(radioTyler);
((TextView) dialogLayout.findViewById(R.id.header_proprietary_maps)).setTextColor(getActivity().getTextColor());
((TextView) dialogLayout.findViewById(R.id.header_free_maps)).setTextColor(getActivity().getTextColor());
switch (StaticMapProvider.fromValue(Hawk.get(getActivity().getString(R.string.preference_map_provider),
StaticMapProvider.GOOGLE_MAPS.getValue()))) {
case GOOGLE_MAPS:
default:
radioGoogleMaps.setChecked(true);
break;
case MAP_BOX:
radioMapBoxStreets.setChecked(true);
break;
case MAP_BOX_DARK:
radioMapBoxDark.setChecked(true);
break;
case MAP_BOX_LIGHT:
radioMapBoxLight.setChecked(true);
break;
case TYLER:
radioTyler.setChecked(true);
break;
}
dialogBuilder.setNegativeButton(getActivity().getString(R.string.cancel).toUpperCase(), null);
dialogBuilder.setPositiveButton(getActivity().getString(R.string.ok_action).toUpperCase(), new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
switch (mapProvider.getCheckedRadioButtonId()) {
case R.id.radio_google_maps:
default:
Hawk.put(getActivity().getString(R.string.preference_map_provider), StaticMapProvider.GOOGLE_MAPS.getValue());
break;
case R.id.radio_mapb_streets:
Hawk.put(getActivity().getString(R.string.preference_map_provider), StaticMapProvider.MAP_BOX.getValue());
break;
case R.id.radio_osm_tyler:
Hawk.put(getActivity().getString(R.string.preference_map_provider), StaticMapProvider.TYLER.getValue());
break;
case R.id.radio_mapb_dark:
Hawk.put(getActivity().getString(R.string.preference_map_provider), StaticMapProvider.MAP_BOX_DARK.getValue());
break;
case R.id.radio_mapb_light:
Hawk.put(getActivity().getString(R.string.preference_map_provider), StaticMapProvider.MAP_BOX_LIGHT.getValue());
break;
}
}
});
dialogBuilder.setView(dialogLayout);
dialogBuilder.show();
}
public void fillDynamic(int id, int value, int selection) {
RadioButton radioButton = (RadioButton) this.getView().findViewById(id);
radioButton.setTag(Integer.valueOf(value));
radioButton.setChecked(value == selection);
}
public void fillDuration(int id, int value, int selection) {
RadioButton radioButton = (RadioButton) this.getView().findViewById(id);
radioButton.setTag(Integer.valueOf(value));
radioButton.setChecked(value == selection);
}
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_setting);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
}
mUserNameEditText = (EditText) findViewById(R.id.user_name_edit_text);
mConfigTextView = (TextView) findViewById(R.id.config_text_view);
mVersionCodeTextView = (TextView) findViewById(R.id.version_code);
mCodecModeRadioGroup = (RadioGroup) findViewById(R.id.codec_mode_button);
mCodecModeRadioGroup.setOnCheckedChangeListener(mOnCheckedChangeListener);
mHwCodecMode = (RadioButton) findViewById(R.id.hw_radio_button);
mSwCodecMode = (RadioButton) findViewById(R.id.sw_radio_button);
mAudioSampleRateRadioGroup = findViewById(R.id.sample_rate_button);
mAudioSampleRateRadioGroup.setOnCheckedChangeListener(mOnCheckedChangeListener);
mLowSampleRateBtn = findViewById(R.id.low_sample_rate_button);
mHighSampleRateBtn = findViewById(R.id.high_sample_rate_button);
mMaintainResRadioGroup = (RadioGroup) findViewById(R.id.maintain_resolution_button);
mMaintainResRadioGroup.setOnCheckedChangeListener(mOnMaintainResCheckedChangeListener);
mMaintainResolutionYes = (RadioButton) findViewById(R.id.maintain_res_button_yes);
mMaintainResolutionNo = (RadioButton) findViewById(R.id.maintain_res_button_no);
mAppIdEditText = (EditText) findViewById(R.id.app_id_edit_text);
mAec3Switch = findViewById(R.id.webrtc_aec3_enable_btn);
mAec3Switch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
mIsAec3Enabled = isChecked;
}
});
mVersionCodeTextView.setText(String.format(getString(R.string.version_code), getVersionDescription(), getBuildTimeDescription()));
SharedPreferences preferences = getSharedPreferences(getString(R.string.app_name), Context.MODE_PRIVATE);
mUserName = preferences.getString(Config.USER_NAME, "");
mUserNameEditText.setHint("用户名称：" + mUserName);
String mAppId = preferences.getString(Config.APP_ID, QNAppServer.APP_ID);
if (!mAppId.equals(QNAppServer.APP_ID)) {
mAppIdEditText.setText(mAppId);
}
//test mode setting
LinearLayout testModeLayout = (LinearLayout) findViewById(R.id.test_mode_layout);
testModeLayout.setVisibility(isTestMode() ? View.VISIBLE : View.GONE);
String[] configurations = getResources().getStringArray(R.array.conference_configuration);
mDefaultConfiguration.addAll(Arrays.asList(configurations));
mSelectPos = preferences.getInt(Config.CONFIG_POS, 1);
mConfigTextView.setText(mDefaultConfiguration.get(mSelectPos));
int codecMode = preferences.getInt(Config.CODEC_MODE, Config.HW);
if (codecMode == Config.HW) {
mHwCodecMode.setChecked(true);
} else {
mSwCodecMode.setChecked(true);
}
int sampleRatePos = preferences.getInt(Config.SAMPLE_RATE, Config.HIGH_SAMPLE_RATE);
if (sampleRatePos == Config.LOW_SAMPLE_RATE) {
mLowSampleRateBtn.setChecked(true);
} else {
mHighSampleRateBtn.setChecked(true);
}
mMaintainResolution = preferences.getBoolean(Config.MAINTAIN_RES, false);
if (mMaintainResolution) {
mMaintainResolutionYes.setChecked(true);
} else {
mMaintainResolutionNo.setChecked(true);
}
mIsAec3Enabled = preferences.getBoolean(Config.AEC3_ENABLE, false);
mAec3Switch.setChecked(mIsAec3Enabled);
mSpinnerPopupWindow = new SpinnerPopupWindow(this);
mSpinnerPopupWindow.setOnSpinnerItemClickListener(mOnSpinnerItemClickListener);
mAdapter = new ArrayAdapter<String>(this, R.layout.spinner_item, mDefaultConfiguration);
}
/**
* Marks a RadioButton child as being checked.
*
* Android doesn't provide a way of generating View IDs on the fly before API level 17, so this
* function requires passing in the child's index. Passing in {@link #INVALID_INDEX} marks them
* all as de-selected.
*
* @param childIndex Index of the child to select.
*/
public void selectChildAtIndex(int childIndex) {
int childCount = getChildCount();
for (int i = 0; i < childCount; i++) {
RadioButton child = (RadioButton) getChildAt(i);
child.setChecked(i == childIndex);
}
}