Java tutorial
package com.dm.wallpaper.board.fragments.dialogs; import android.app.Dialog; import android.content.DialogInterface; import android.os.Bundle; import android.support.annotation.NonNull; import android.support.annotation.Nullable; import android.support.v4.app.DialogFragment; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentManager; import android.support.v4.app.FragmentTransaction; import android.support.v7.widget.AppCompatRadioButton; import android.util.Log; import android.view.View; import android.widget.NumberPicker; import com.afollestad.materialdialogs.MaterialDialog; import com.danimahardhika.android.helpers.core.ColorHelper; import com.danimahardhika.android.helpers.core.DrawableHelper; import com.dm.wallpaper.board.R; import com.dm.wallpaper.board.R2; import com.dm.wallpaper.board.utils.LogUtil; import com.dm.wallpaper.board.utils.listeners.RefreshDurationListener; import butterknife.BindView; import butterknife.ButterKnife; /* * Wallpaper Board * * Copyright (c) 2017 Dani Mahardhika * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ public class RefreshDurationFragment extends DialogFragment implements View.OnClickListener { @BindView(R2.id.number_picker) NumberPicker mNumberPicker; @BindView(R2.id.minute) AppCompatRadioButton mMinute; @BindView(R2.id.hour) AppCompatRadioButton mHour; private int mRotateTime; private boolean mIsMinute; private static final String MINUTE = "minute"; private static final String ROTATE_TIME = "rotate_time"; private static final String TAG = "com.dm.wallpaper.board.dialog.refresh.duration"; private static RefreshDurationFragment newInstance(int rotateTime, boolean isMinute) { RefreshDurationFragment fragment = new RefreshDurationFragment(); Bundle bundle = new Bundle(); bundle.putInt(ROTATE_TIME, rotateTime); bundle.putBoolean(MINUTE, isMinute); fragment.setArguments(bundle); return fragment; } public static void showRefreshDurationDialog(FragmentManager fm, int rotateTime, boolean isMinute) { FragmentTransaction ft = fm.beginTransaction(); Fragment prev = fm.findFragmentByTag(TAG); if (prev != null) { ft.remove(prev); } try { DialogFragment dialog = RefreshDurationFragment.newInstance(rotateTime, isMinute); dialog.show(ft, TAG); } catch (IllegalStateException | IllegalArgumentException ignored) { } } @NonNull @Override public Dialog onCreateDialog(Bundle savedInstanceState) { MaterialDialog.Builder builder = new MaterialDialog.Builder(getActivity()); builder.customView(R.layout.fragment_refresh_duration, true); builder.typeface("Font-Medium.ttf", "Font-Regular.ttf"); builder.title(R.string.muzei_refresh_duration); builder.positiveText(R.string.close); MaterialDialog dialog = builder.build(); dialog.show(); ButterKnife.bind(this, dialog); return dialog; } @Override public void onCreate(@Nullable Bundle savedInstanceState) { super.onCreate(savedInstanceState); mRotateTime = getArguments().getInt(ROTATE_TIME, 1); mIsMinute = getArguments().getBoolean(MINUTE, false); } @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); mNumberPicker.setMinValue(1); mNumberPicker.setMaxValue(100); setDividerColor(mNumberPicker); mMinute.setOnClickListener(this); mHour.setOnClickListener(this); mMinute.setChecked(mIsMinute); mHour.setChecked(!mIsMinute); mNumberPicker.setValue(mRotateTime); } @Override public void onDismiss(DialogInterface dialog) { RefreshDurationListener listener = (RefreshDurationListener) getActivity(); listener.onRefreshDurationSet(mNumberPicker.getValue(), mMinute.isChecked()); super.onDismiss(dialog); } @Override public void onClick(View view) { int id = view.getId(); if (id == R.id.minute) { mMinute.setChecked(true); mHour.setChecked(false); } else if (id == R.id.hour) { mHour.setChecked(true); mMinute.setChecked(false); } } private void setDividerColor(NumberPicker picker) { java.lang.reflect.Field[] pickerFields = NumberPicker.class.getDeclaredFields(); for (java.lang.reflect.Field pf : pickerFields) { if (pf.getName().equals("mSelectionDivider")) { pf.setAccessible(true); try { int color = ColorHelper.getAttributeColor(getActivity(), R.attr.colorAccent); pf.set(picker, DrawableHelper.getTintedDrawable(getActivity(), R.drawable.numberpicker_divider, color)); } catch (Exception e) { LogUtil.e(Log.getStackTraceString(e)); } break; } } } }