Java tutorial
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We also recommend that a * file or class name and description of purpose be included on the * same "printed page" as the copyright notice for easier * identification within third-party archives. * * Copyright 2016 Alibaba Group * * 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 com.alibaba.weex; import android.Manifest; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.content.pm.PackageManager; import android.graphics.PixelFormat; import android.os.Bundle; import android.support.v4.app.ActivityCompat; import android.support.v4.content.ContextCompat; import android.support.v4.content.LocalBroadcastManager; import android.support.v7.widget.Toolbar; import android.text.TextUtils; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.view.ViewGroup; import android.widget.ProgressBar; import android.widget.TextView; import android.widget.Toast; import com.alibaba.weex.commons.AbstractWeexActivity; import com.google.zxing.client.android.CaptureActivity; import com.taobao.weex.WXRenderErrorCode; import com.taobao.weex.WXSDKEngine; import com.taobao.weex.WXSDKInstance; import com.taobao.weex.utils.WXFileUtils; import com.taobao.weex.utils.WXSoInstallMgrSdk; public class IndexActivity extends AbstractWeexActivity { private static final String TAG = "IndexActivity"; private static final int CAMERA_PERMISSION_REQUEST_CODE = 0x1; private static final String DEFAULT_IP = "your_current_IP"; private static String sCurrentIp = DEFAULT_IP; // your_current_IP private ProgressBar mProgressBar; private TextView mTipView; private BroadcastReceiver mReloadReceiver; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_index); setContainer((ViewGroup) findViewById(R.id.index_container)); Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); setSupportActionBar(toolbar); getWindow().setFormat(PixelFormat.TRANSLUCENT); mProgressBar = (ProgressBar) findViewById(R.id.index_progressBar); mTipView = (TextView) findViewById(R.id.index_tip); mProgressBar.setVisibility(View.VISIBLE); mTipView.setVisibility(View.VISIBLE); if (!WXSoInstallMgrSdk.isCPUSupport()) { mProgressBar.setVisibility(View.INVISIBLE); mTipView.setText(R.string.cpu_not_support_tip); return; } if (TextUtils.equals(sCurrentIp, DEFAULT_IP)) { renderPage(WXFileUtils.loadAsset("index.js", this), getIndexUrl()); } else { renderPageByURL(getIndexUrl()); } mReloadReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { createWeexInstance(); if (TextUtils.equals(sCurrentIp, DEFAULT_IP)) { renderPage(WXFileUtils.loadAsset("index.js", getApplicationContext()), getIndexUrl()); } else { renderPageByURL(getIndexUrl()); } mProgressBar.setVisibility(View.VISIBLE); } }; LocalBroadcastManager.getInstance(this).registerReceiver(mReloadReceiver, new IntentFilter(WXSDKEngine.JS_FRAMEWORK_RELOAD)); } @Override public boolean onCreateOptionsMenu(Menu menu) { if (TextUtils.equals(sCurrentIp, DEFAULT_IP)) { getMenuInflater().inflate(R.menu.main_scan, menu); } else { getMenuInflater().inflate(R.menu.main, menu); } return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.action_refresh: if (!TextUtils.equals(sCurrentIp, DEFAULT_IP)) { createWeexInstance(); renderPageByURL(getIndexUrl()); mProgressBar.setVisibility(View.VISIBLE); } break; case R.id.action_scan: if (ContextCompat.checkSelfPermission(this, Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED) { if (ActivityCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.CAMERA)) { Toast.makeText(this, "please give me the permission", Toast.LENGTH_SHORT).show(); } else { ActivityCompat.requestPermissions(this, new String[] { Manifest.permission.CAMERA }, CAMERA_PERMISSION_REQUEST_CODE); } } else { startActivity(new Intent(this, CaptureActivity.class)); } break; default: break; } return super.onOptionsItemSelected(item); } @Override public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) { super.onRequestPermissionsResult(requestCode, permissions, grantResults); if (requestCode == CAMERA_PERMISSION_REQUEST_CODE && grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) { startActivity(new Intent(this, CaptureActivity.class)); } else { Toast.makeText(this, "request camara permission fail!", Toast.LENGTH_SHORT).show(); } } @Override public void onRenderSuccess(WXSDKInstance wxsdkInstance, int i, int i1) { super.onRenderSuccess(wxsdkInstance, i, i1); mProgressBar.setVisibility(View.GONE); mTipView.setVisibility(View.GONE); } @Override public void onException(WXSDKInstance wxsdkInstance, String s, String s1) { super.onException(wxsdkInstance, s, s1); mProgressBar.setVisibility(View.GONE); mTipView.setVisibility(View.VISIBLE); if (TextUtils.equals(s, WXRenderErrorCode.WX_NETWORK_ERROR)) { mTipView.setText(R.string.index_tip); } else { mTipView.setText("render error:" + s1); } } @Override public void onDestroy() { super.onDestroy(); LocalBroadcastManager.getInstance(this).unregisterReceiver(mReloadReceiver); } private static String getIndexUrl() { return "http://" + sCurrentIp + ":12580/examples/build/index.js"; } }