Java tutorial
/* * Copyright (C) 2014-2015 University of South Florida (sjbarbeau@gmail.com) * * 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 org.onebusaway.android.report.ui; import org.onebusaway.android.R; import android.annotation.SuppressLint; import android.content.Intent; import android.graphics.Color; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentManager; import android.support.v4.app.FragmentTransaction; import android.support.v7.app.ActionBar; import android.support.v7.app.AppCompatActivity; import android.view.Gravity; import android.view.View; import android.widget.FrameLayout; import android.widget.ImageView; import android.widget.ProgressBar; import android.widget.RelativeLayout; import android.widget.TextView; import android.widget.Toast; /** * Created by Cagri Cetin */ public class BaseReportActivity extends AppCompatActivity { public static final String CLOSE_REQUEST = "BaseReportActivityClose"; public static final String LOCATION_STRING = "locationString"; protected RelativeLayout mInfoHeader; protected FrameLayout mInLineInstructions; @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); if (resultCode == RESULT_OK && data != null && data.getBooleanExtra(CLOSE_REQUEST, false)) { finish(); } } @SuppressLint("CommitTransaction") protected FragmentTransaction setFragment(Fragment fragment, int containerViewId) { FragmentManager fm = getSupportFragmentManager(); return fm.beginTransaction().replace(containerViewId, fragment); } protected void removeFragmentByTag(String tag) { FragmentManager manager = getSupportFragmentManager(); Fragment fragment = manager.findFragmentByTag(tag); if (fragment != null) { FragmentTransaction trans = manager.beginTransaction(); trans.remove(fragment); trans.commit(); manager.popBackStack(); } } protected void setUpProgressBar() { ActionBar.LayoutParams params = new ActionBar.LayoutParams(ActionBar.LayoutParams.WRAP_CONTENT, ActionBar.LayoutParams.WRAP_CONTENT); params.gravity = Gravity.END; ProgressBar progressBar = new ProgressBar(this); progressBar.setIndeterminate(true); progressBar.setVisibility(View.GONE); progressBar.setIndeterminate(true); progressBar.setLayoutParams(params); progressBar.getIndeterminateDrawable().setColorFilter(Color.WHITE, android.graphics.PorterDuff.Mode.MULTIPLY); ActionBar ab = getSupportActionBar(); if (ab != null) { ab.setDisplayShowCustomEnabled(true); ab.setCustomView(progressBar); } } public void showProgress(Boolean visible) { if (getSupportActionBar() == null) return; if (visible) getSupportActionBar().getCustomView().setVisibility(View.VISIBLE); else getSupportActionBar().getCustomView().setVisibility(View.GONE); } protected void createToastMessage(String message) { Toast.makeText(getApplicationContext(), message, Toast.LENGTH_LONG).show(); } protected void addInfoText(String text) { // Instructions in header of report if (mInfoHeader == null) { mInfoHeader = (RelativeLayout) findViewById(R.id.ri_info_header); } ((TextView) mInfoHeader.findViewById(R.id.ri_info_text)).setText(text); if (mInfoHeader.getVisibility() != View.VISIBLE) { mInfoHeader.setVisibility(View.VISIBLE); } // Instructions in body of report if (mInLineInstructions == null) { mInLineInstructions = (FrameLayout) findViewById(R.id.in_line_instructions_container); } ((ImageView) findViewById(R.id.in_line_instructions_image)) .setColorFilter(getResources().getColor(R.color.material_gray)); ((TextView) mInLineInstructions.findViewById(R.id.in_line_instructions_text)).setText(text); if (mInLineInstructions.getVisibility() != View.VISIBLE) { mInLineInstructions.setVisibility(View.VISIBLE); } } protected boolean isInfoVisible() { if (mInfoHeader == null) { mInfoHeader = (RelativeLayout) findViewById(R.id.ri_info_header); } return mInfoHeader.getVisibility() == View.VISIBLE; } protected void removeInfoText() { if (mInfoHeader == null) { mInfoHeader = (RelativeLayout) findViewById(R.id.ri_info_header); } ((TextView) mInfoHeader.findViewById(R.id.ri_info_text)).setText(""); mInfoHeader.setVisibility(View.GONE); if (mInLineInstructions == null) { mInLineInstructions = (FrameLayout) findViewById(R.id.in_line_instructions_container); } ((TextView) mInLineInstructions.findViewById(R.id.in_line_instructions_text)).setText(""); mInLineInstructions.setVisibility(View.GONE); } }