Java tutorial
/* * Copyright 2015 Rui Gil * * 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 io.oceanos.shaderbox; import android.content.Intent; import android.os.Bundle; import android.support.v4.app.FragmentActivity; import android.util.Log; import android.view.*; import android.widget.*; import io.oceanos.shaderbox.dialog.AboutDialogFragment; public class MainActivity extends FragmentActivity implements AdapterView.OnItemClickListener { public static final String TAG = "ShaderBox"; private ShaderItemAdapter adapter; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); adapter = new ShaderItemAdapter(getBaseContext()); adapter.fetchData(); GridView mGridView = (GridView) findViewById(R.id.list); mGridView.setAdapter(adapter); mGridView.setOnItemClickListener(this); } @Override protected void onResume() { super.onResume(); adapter.fetchData(); } @Override public void onItemClick(AdapterView<?> container, View view, int position, long id) { Intent intent = new Intent(MainActivity.this, ShaderEditorActivity.class); intent.putExtra("ID", id); startActivity(intent); } @Override public boolean onCreateOptionsMenu(Menu menu) { super.onCreateOptionsMenu(menu); getMenuInflater().inflate(R.menu.menu_main, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.action_new_shader: adapter.newShader(); return true; case R.id.action_settings: startActivity(new Intent(MainActivity.this, SettingsActivity.class)); return true; case R.id.action_about: AboutDialogFragment about = new AboutDialogFragment(); about.show(getSupportFragmentManager(), "ShaderBox"); return true; } return super.onOptionsItemSelected(item); } }