Merge pull request '1.19' (#11) from jiangtianxiang_branch into master
commit
1d2fbbff5e
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/*
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* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package net.micode.notes.ui;
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import android.app.AlertDialog;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.widget.ArrayAdapter;
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import android.widget.SeekBar;
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import android.widget.Spinner;
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import android.widget.TextView;
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import net.micode.notes.R;
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/**
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* 布局设置对话框
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* <p>
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* 提供布局类型选择、网格列数和项目间距的配置界面。
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* 支持实时预览布局效果。
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* </p>
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*/
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public class LayoutSettingsDialog {
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private Context mContext;
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private LayoutManagerController mLayoutManagerController;
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private AlertDialog mDialog;
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private Spinner mLayoutTypeSpinner;
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private SeekBar mGridColumnsSeekBar;
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private SeekBar mItemSpacingSeekBar;
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private TextView mGridColumnsValue;
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private TextView mItemSpacingValue;
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/**
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* 构造函数
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* @param context 上下文
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* @param layoutManagerController 布局管理器
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*/
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public LayoutSettingsDialog(Context context, LayoutManagerController layoutManagerController) {
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mContext = context;
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mLayoutManagerController = layoutManagerController;
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}
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/**
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* 显示布局设置对话框
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*/
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public void show() {
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AlertDialog.Builder builder = new AlertDialog.Builder(mContext);
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builder.setTitle(R.string.layout_settings_title);
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View dialogView = LayoutInflater.from(mContext).inflate(R.layout.layout_settings_dialog, null);
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builder.setView(dialogView);
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initViews(dialogView);
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setupListeners();
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builder.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int which) {
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saveSettings();
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}
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});
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builder.setNegativeButton(android.R.string.cancel, null);
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mDialog = builder.create();
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mDialog.show();
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}
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/**
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* 初始化视图
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* @param dialogView 对话框视图
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*/
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private void initViews(View dialogView) {
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mLayoutTypeSpinner = (Spinner) dialogView.findViewById(R.id.layout_type_spinner);
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mGridColumnsSeekBar = (SeekBar) dialogView.findViewById(R.id.grid_columns_seekbar);
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mItemSpacingSeekBar = (SeekBar) dialogView.findViewById(R.id.item_spacing_seekbar);
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mGridColumnsValue = (TextView) dialogView.findViewById(R.id.grid_columns_value);
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mItemSpacingValue = (TextView) dialogView.findViewById(R.id.item_spacing_value);
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// 设置布局类型选项
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ArrayAdapter<LayoutType> layoutAdapter = new ArrayAdapter<>(
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mContext, android.R.layout.simple_spinner_item, LayoutType.values());
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mLayoutTypeSpinner.setAdapter(layoutAdapter);
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// 设置当前值
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LayoutType currentLayout = mLayoutManagerController.getCurrentLayoutType();
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mLayoutTypeSpinner.setSelection(currentLayout.ordinal());
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int gridColumns = mLayoutManagerController.getGridSpanCount();
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mGridColumnsSeekBar.setProgress(gridColumns - 1);
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mGridColumnsValue.setText(String.valueOf(gridColumns));
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int itemSpacing = mLayoutManagerController.getItemSpacing();
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mItemSpacingSeekBar.setProgress(itemSpacing / 2);
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mItemSpacingValue.setText(String.valueOf(itemSpacing));
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// 根据布局类型启用/禁用控件
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updateControlStates(currentLayout);
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}
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/**
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* 设置监听器
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*/
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private void setupListeners() {
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mLayoutTypeSpinner.setOnItemSelectedListener(new android.widget.AdapterView.OnItemSelectedListener() {
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@Override
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public void onItemSelected(android.widget.AdapterView<?> parent, View view, int position, long id) {
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LayoutType selectedLayout = (LayoutType) parent.getItemAtPosition(position);
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updateControlStates(selectedLayout);
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}
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@Override
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public void onNothingSelected(android.widget.AdapterView<?> parent) {
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}
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});
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mGridColumnsSeekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
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@Override
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public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
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int columns = progress + 1;
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mGridColumnsValue.setText(String.valueOf(columns));
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}
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@Override
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public void onStartTrackingTouch(SeekBar seekBar) {
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}
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@Override
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public void onStopTrackingTouch(SeekBar seekBar) {
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}
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});
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mItemSpacingSeekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
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@Override
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public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
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int spacing = progress * 2;
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mItemSpacingValue.setText(String.valueOf(spacing));
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}
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@Override
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public void onStartTrackingTouch(SeekBar seekBar) {
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}
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@Override
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public void onStopTrackingTouch(SeekBar seekBar) {
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}
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});
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}
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/**
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* 更新控件状态
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* @param layoutType 布局类型
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*/
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private void updateControlStates(LayoutType layoutType) {
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switch (layoutType) {
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case LINEAR:
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mGridColumnsSeekBar.setEnabled(false);
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mItemSpacingSeekBar.setEnabled(false);
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break;
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case GRID:
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case STAGGERED:
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mGridColumnsSeekBar.setEnabled(true);
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mItemSpacingSeekBar.setEnabled(true);
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break;
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}
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}
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/**
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* 保存设置
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*/
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private void saveSettings() {
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LayoutType selectedLayout = (LayoutType) mLayoutTypeSpinner.getSelectedItem();
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int gridColumns = mGridColumnsSeekBar.getProgress() + 1;
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int itemSpacing = mItemSpacingSeekBar.getProgress() * 2;
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mLayoutManagerController.setGridSpanCount(gridColumns);
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mLayoutManagerController.setItemSpacing(itemSpacing);
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if (selectedLayout != mLayoutManagerController.getCurrentLayoutType()) {
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mLayoutManagerController.switchLayout(selectedLayout, true);
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}
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mDialog.dismiss();
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}
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}
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@ -0,0 +1,20 @@
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<?xml version="1.0" encoding="utf-8"?>
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<!-- Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<shape xmlns:android="http://schemas.android.com/apk/res/android">
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<size android:height="1dp" />
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<solid android:color="#E0E0E0" />
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</shape>
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@ -0,0 +1,103 @@
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<?xml version="1.0" encoding="utf-8"?>
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<!-- Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:orientation="vertical"
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android:padding="16dp">
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<TextView
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="@string/layout_linear"
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android:textSize="16sp"
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android:textStyle="bold"
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android:layout_marginBottom="16dp" />
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<Spinner
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android:id="@+id/layout_type_spinner"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:layout_marginBottom="24dp" />
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<LinearLayout
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:orientation="horizontal"
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android:gravity="center_vertical"
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android:layout_marginBottom="16dp">
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<TextView
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="@string/layout_grid_columns"
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android:textSize="14sp"
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android:layout_marginEnd="16dp" />
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<TextView
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android:id="@+id/grid_columns_value"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="2"
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android:textSize="18sp"
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android:textStyle="bold"
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android:minWidth="30dp"
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android:gravity="center" />
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<SeekBar
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android:id="@+id/grid_columns_seekbar"
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android:layout_width="0dp"
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android:layout_height="wrap_content"
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android:layout_weight="1"
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android:max="3"
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android:progress="1" />
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</LinearLayout>
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<LinearLayout
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:orientation="horizontal"
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android:gravity="center_vertical"
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android:layout_marginBottom="16dp">
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<TextView
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="@string/layout_item_spacing"
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android:textSize="14sp"
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android:layout_marginEnd="16dp" />
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<TextView
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android:id="@+id/item_spacing_value"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="16"
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android:textSize="18sp"
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android:textStyle="bold"
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android:minWidth="30dp"
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android:gravity="center" />
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<SeekBar
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android:id="@+id/item_spacing_seekbar"
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android:layout_width="0dp"
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android:layout_height="wrap_content"
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android:layout_weight="1"
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android:max="24"
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android:progress="8" />
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</LinearLayout>
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</LinearLayout>
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