android.widget.EditText#setSelectAllOnFocus ( )源码实例Demo

private void init() {
    View view = LayoutInflater.from(getContext()).inflate(R.layout.dialog_name_input, null);
    mView = view.findViewById(R.id.rename_dialog_root);
    this.setContentView(mView);
    mEtNewName = (EditText) mView.findViewById(R.id.mEtNewName);
    mEtOrignalName = (EditText) mView.findViewById(R.id.mEtOriginalName);
    mBtnCancel = (Button) mView.findViewById(R.id.mBtnDelDialogCancel);
    mBtnOk = (Button) mView.findViewById(R.id.mBtnDelDialogOk);
    
    mEtOrignalName.setEnabled(false);
    mEtOrignalName.setText(FileUtils.getFileName(mOrignalPath));
    mEtNewName.setText(FileUtils.getFileName(mOrignalPath));
    mEtNewName.setSelectAllOnFocus(true);
    mParentPath = FileUtils.getParent(mOrignalPath);
    
    mEtNewName.addTextChangedListener(this);
    mBtnOk.setOnClickListener(this);
    mBtnCancel.setOnClickListener(this);
    this.setTitle("重命名文件");
    this.setCanceledOnTouchOutside(false);
    
}
 

@Override
protected void onFinishInflate() {
	super.onFinishInflate();
	
	mEditText = (EditText) findViewById(R.id.dropview_edit);
	mDropImage = (ImageView) findViewById(R.id.dropview_image);
	
	mEditText.setSelectAllOnFocus(true);
	mDropImage.setImageResource(mDrawableLeft);

	if(!TextUtils.isEmpty(mHit)) {
		mEditText.setHint(mHit);
	}
	
	mDropImage.setOnClickListener(this);
	mPopView.setOnItemClickListener(this);
}
 

private void showSetReadAheadDialog(Misc misc)
{
    AlertDialog.Builder builder = new AlertDialog.Builder(this);

    builder.setTitle(R.string.read_ahead_cache_size);

    final EditText input = new EditText(this);
    input.setText(misc.getValue().substring(0, misc.getValue().length() - 2));
    input.setSelectAllOnFocus(true);
    input.setInputType(InputType.TYPE_CLASS_NUMBER);
    input.setGravity(Gravity.CENTER_HORIZONTAL);
    input.requestFocus();

    builder.setPositiveButton(getResources().getString(R.string.set), new DialogInterface.OnClickListener()
    {
        @Override
        public void onClick(DialogInterface dialog, int which)
        {
            RCommand.setReadAhead(input.getText().toString(), MiscTweaksActivity.this);
        }
    });
    builder.setNegativeButton(getResources().getString(R.string.cancel), null);
    builder.setView(input);
    builder.show();
}
 

public static void askString (final Context context, final String msg,
		final String oldValue, final boolean multiLine, final boolean spellCheck,
		final Listener<String> onString) {
	final AlertDialog.Builder dlgBld = new AlertDialog.Builder(context);
	dlgBld.setMessage(msg);
	final EditText editText = new EditText(context);
	editText.setSelectAllOnFocus(true);
	if (oldValue != null) editText.setText(oldValue);
	if (!multiLine) editText.setSingleLine();
	if (!spellCheck) editText.setInputType(editText.getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS);
	editText.setImeOptions(EditorInfo.IME_ACTION_DONE);
	dlgBld.setView(editText);
	dlgBld.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
		@Override
		public void onClick (final DialogInterface dialog, final int which) {
			dialog.dismiss();
			onString.onAnswer(editText.getText().toString().trim());
		}
	});
	dlgBld.setNegativeButton(android.R.string.cancel, DLG_CANCEL_CLICK_LISTENER);
	dlgBld.show();
}
 

@NonNull
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
    // Use the Builder class for convenient dialog construction

    String oldName = getArguments().getString(KEY_OLD_NAME);


    String collectionSerialized = getArguments().getString(KEY_COLLECTION_GSON);
    Gson gson = new Gson();
    BooksCollection bookCollection = gson.fromJson(collectionSerialized, BooksCollection.class);

    AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
    final EditText editText = new EditText(getActivity());
    editText.setText(oldName);
    editText.setSelectAllOnFocus(true);
    builder
            .setMessage(R.string.dialog_msg_rename)
            .setTitle(R.string.dialog_title_rename)
            .setView(editText)
            .setPositiveButton(R.string.ok, (dialog, whichButton) -> {
                String newName = editText.getText().toString();
                mListener.onCollectionRenamed(bookCollection, newName);
            })
            .setNegativeButton(R.string.cancel, (dialog, whichButton) -> {
                dismiss();
            });
    return builder.create();
}
 

@Override
protected View getInputView() {
    EditText input = new EditText(getContext());

    input.setInputType(InputType.TYPE_CLASS_TEXT
            | InputType.TYPE_TEXT_FLAG_AUTO_COMPLETE
            | InputType.TYPE_TEXT_FLAG_MULTI_LINE);
    input.setHint(R.string.info_enter_comment);
    input.setText(getValueAsString(false));
    input.setSelectAllOnFocus(true);

    return input;
}
 

public PromptDialog(Context context) {
    super(context);
    finder = ResoureFinder.getInstance(context);
    final LayoutInflater inflater = LayoutInflater.from(getContext());
    final RelativeLayout layout = (RelativeLayout) inflater.inflate(
            finder.getLayoutId("platform_window_dialog_prompt_layout"), null);
    tvDesc = (TextView) layout.findViewById(finder.getId("tv_dialog_input_desc"));
    etInput = (EditText) layout.findViewById(finder.getId("et_dialog_input_text"));
    etInput.setSelectAllOnFocus(true);
    setView(layout);
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    setContentView(R.layout.activity_login);

    EditText etUserId = findViewById(R.id.etUserId);
    EditText etNickname = findViewById(R.id.etNickname);
    TextView tvVersion = findViewById(R.id.tvVersionInfo);

    etUserId.setSelectAllOnFocus(true);
    etNickname.setSelectAllOnFocus(true);

    String sdkVersion = String.format(getResources().getString(R.string.text_version_info), BuildConfig.VERSION_NAME, SendBird.getSDKVersion());
    tvVersion.setText(sdkVersion);

    findViewById(R.id.btSignIn).setOnClickListener(v -> {
        String userId = etUserId.getText().toString();
        // Remove all spaces from userID
        userId = userId.replaceAll("\\s", "");

        String userNickname = etNickname.getText().toString();
        if (TextUtils.isEmpty(userId) || TextUtils.isEmpty(userNickname)) {
            return;
        }

        PreferenceUtils.setUserId(userId);
        PreferenceUtils.setNickname(userNickname);

        WaitingDialog.show(this);
        SendBirdUIKit.connect((user, e) -> {
            if (e != null) {
                Logger.e(e);
                WaitingDialog.dismiss();
                return;
            }
            WaitingDialog.dismiss();
            PushUtils.registerPushHandler(new MyFirebaseMessagingService());
            Intent intent = new Intent(LoginActivity.this, MainActivity.class);
            startActivity(intent);
            finish();
        });
    });
}