Java tutorial
/* * Copyright (C) 2018 AlexMofer * * 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. */ package am.project.x.business.drawables.lineardrawable; import android.content.Context; import android.content.Intent; import android.os.Bundle; import android.support.annotation.Nullable; import android.support.v4.content.ContextCompat; import android.widget.CompoundButton; import android.widget.ImageView; import android.widget.SeekBar; import android.widget.Switch; import am.drawable.LinearDrawable; import am.project.x.R; import am.project.x.base.BaseActivity; /** * */ public class LinearDrawableActivity extends BaseActivity implements CompoundButton.OnCheckedChangeListener, SeekBar.OnSeekBarChangeListener { private LinearDrawable drawable; private float density; public static void start(Context context) { context.startActivity(new Intent(context, LinearDrawableActivity.class)); } @Override protected int getContentViewLayout() { return R.layout.activity_lineardrawable; } @Override protected void initializeActivity(@Nullable Bundle savedInstanceState) { setSupportActionBar(R.id.lrd_toolbar); drawable = new LinearDrawable(ContextCompat.getDrawable(this, R.drawable.ic_drawableratingbar_selected)); drawable.setCount(1); density = getResources().getDisplayMetrics().density; this.<ImageView>findViewById(R.id.lrd_iv_content).setImageDrawable(drawable); this.<Switch>findViewById(R.id.lrd_sh_orientation).setOnCheckedChangeListener(this); this.<SeekBar>findViewById(R.id.lrd_sb_number).setOnSeekBarChangeListener(this); this.<SeekBar>findViewById(R.id.lrd_sb_gap).setOnSeekBarChangeListener(this); } // Listener @Override public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { drawable.setOrientation(isChecked ? LinearDrawable.VERTICAL : LinearDrawable.HORIZONTAL); } @Override public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { switch (seekBar.getId()) { case R.id.lrd_sb_number: drawable.setCount(progress + 1); break; case R.id.lrd_sb_gap: drawable.setGap((int) (density * progress)); break; } } @Override public void onStartTrackingTouch(SeekBar seekBar) { } @Override public void onStopTrackingTouch(SeekBar seekBar) { } }