Android 实战 - 个人App乐逗项目(查看网页链接封装,播放视频封装)

1.查看网页链接封装
和 Android实战－个人App乐逗项目（第一阶段：微信精选文章完成与总结）中的webview一样,采用腾讯x5浏览服务sdk调用的.

效果预览 :

所需工具 :

腾讯x5浏览服务sdk 或者点击下载 jar

可以到官方下载,或者点击下载对应jar包即可.

封装 x5webview , 前提是导入上面的jar

//SecurityJsBridgeBundle.java

package labelnet.cn.ledou.ui;import android.content.Context;import java.util.Map;/*** X5WebView　，　应用类　，　提供JSBridge*/public abstract class SecurityJsBridgeBundle {/////add js private final static String DEFAULT_JS_BRIDGE ="JsBridge";public static final String METHOD = "method";public static final String BLOCK = "block";public static final String CALLBACK = "callback";public static final String PROMPT_START_OFFSET = "local_js_bridge::";private Context mContext;private String mJsBlockName ;private String mMethodName;public abstract void onCallMethod();public SecurityJsBridgeBundle(String JsBlockName, String methodName) throws Exception{if(methodName == null){throw new Exception("methodName can not be null!");}if(JsBlockName!=null){this.mJsBlockName=JsBlockName;}else{this.mJsBlockName = DEFAULT_JS_BRIDGE;}}public String getMethodName(){return this.mMethodName;}public String getJsBlockName(){return this.mJsBlockName;}private void injectJsMsgPipecode(Map<String,Object> data){if(data==null){return ;}String injectCode = "javascript:(function JsAddJavascriptInterface_(){ "+ "if (typeof(window.jsInterface)!='undefined') {"+      "console.log('window.jsInterface_js_interface_name is exist!!');}   "+ "else {"+ data.get(BLOCK)+data.get(METHOD)+"window.jsBridge = {"+           "onButtonClick:function(arg0) {"+    "return prompt('MyApp:'+JSON.stringify({obj:'jsInterface',func:'onButtonClick',args:[arg0]}));"+   "},"+  "onImageClick:function(arg0,arg1,arg2) {"+    "prompt('MyApp:'+JSON.stringify({obj:'jsInterface',func:'onImageClick',args:[arg0,arg1,arg2]}));"+  "},"+   "};"+   "}"+   "}"+   ")()";}private static String getStandardMethodSignature(){return null;}}

//x5webview.java

package labelnet.cn.ledou.ui;import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.net.Uri;
import android.os.Message;
import android.util.AttributeSet;
import android.util.Log;
import android.view.Gravity;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.widget.FrameLayout;import com.tencent.smtt.export.external.interfaces.IX5WebChromeClient.CustomViewCallback;
import com.tencent.smtt.export.external.interfaces.JsPromptResult;
import com.tencent.smtt.export.external.interfaces.JsResult;
import com.tencent.smtt.export.external.interfaces.WebResourceResponse;
import com.tencent.smtt.sdk.ValueCallback;
import com.tencent.smtt.sdk.WebChromeClient;
import com.tencent.smtt.sdk.WebSettings;
import com.tencent.smtt.sdk.WebSettings.LayoutAlgorithm;
import com.tencent.smtt.sdk.WebStorage;
import com.tencent.smtt.sdk.WebView;
import com.tencent.smtt.sdk.WebViewClient;import java.util.HashMap;
import java.util.Map;import labelnet.cn.ledou.R;public class X5WebView extends WebView {/////add private object////file chooser result codepublic static final int FILE_CHOOSER = 0;private String resourceUrl = "";private WebView smallWebView;private static boolean isSmallWebViewDisplayed = false;private Map<String, Object> mJsBridges;@SuppressLint("SetJavaScriptEnabled")public X5WebView(Context arg0, AttributeSet arg1) {super(arg0, arg1);WebStorage webStorage = WebStorage.getInstance();// TODO Auto-generated constructor stubWebSettings webSetting = this.getSettings();webSetting.setJavaScriptEnabled(true);webSetting.setJavaScriptCanOpenWindowsAutomatically(true);webSetting.setAllowFileAccess(true);webSetting.setLayoutAlgorithm(LayoutAlgorithm.NARROW_COLUMNS);webSetting.setSupportZoom(true);webSetting.setBuiltInZoomControls(true);webSetting.setUseWideViewPort(true);webSetting.setSupportMultipleWindows(true);webSetting.setLoadWithOverviewMode(true);webSetting.setAppCacheEnabled(true);webSetting.setDatabaseEnabled(true);webSetting.setDomStorageEnabled(true);webSetting.setGeolocationEnabled(true);webSetting.setAppCacheMaxSize(Long.MAX_VALUE);// webSetting.setPageCacheCapacity(IX5WebSettings.DEFAULT_CACHE_CAPACITY);webSetting.setPluginState(WebSettings.PluginState.ON_DEMAND);webSetting.setRenderPriority(WebSettings.RenderPriority.HIGH);webSetting.setCacheMode(WebSettings.LOAD_NO_CACHE);this.getView().setClickable(true);this.getView().setOnTouchListener(new OnTouchListener() {@Overridepublic boolean onTouch(View v, MotionEvent event) {// TODO Auto-generated method stubreturn false;}});//WebClient settingsthis.setWebViewClient(new WebViewClient() {/*** 防止加载网页时调起系统浏览器*/public boolean shouldOverrideUrlLoading(WebView view, String url) {view.loadUrl(url);return true;
//              return false;}public void onReceivedHttpAuthRequest(WebView webview, com.tencent.smtt.export.external.interfaces.HttpAuthHandler httpAuthHandlerhost, String host, String realm) {boolean flag = httpAuthHandlerhost.useHttpAuthUsernamePassword();Log.i("yuanhaizhou", "useHttpAuthUsernamePassword is" + flag);Log.i("yuanhaizhou", "HttpAuth host is" + host);Log.i("yuanhaizhou", "HttpAuth realm is" + realm);}@Overridepublic void onDetectedBlankScreen(String arg0, int arg1) {// TODO Auto-generated method stubsuper.onDetectedBlankScreen(arg0, arg1);}@Overridepublic WebResourceResponse shouldInterceptRequest(WebView arg0,String arg1) {// TODO Auto-generated method stubreturn super.shouldInterceptRequest(arg0, arg1);}});//webchromeclient settingsthis.setWebChromeClient(new WebChromeClient() {View myVideoView;View myNormalView;CustomViewCallback callback;//////*** 全屏播放配置*/@Overridepublic void onShowCustomView(View view, CustomViewCallback customViewCallback) {// TODO Auto-generated method stubFrameLayout normalView = (FrameLayout) ((Activity) getContext()).findViewById(R.id.web_filechooser);ViewGroup viewGroup = (ViewGroup) normalView.getParent();viewGroup.removeView(normalView);viewGroup.addView(view);myVideoView = view;myNormalView = normalView;callback = customViewCallback;}@Overridepublic void onHideCustomView() {// TODO Auto-generated method stubif (callback != null) {callback.onCustomViewHidden();callback = null;}if (myVideoView != null) {ViewGroup viewGroup = (ViewGroup) myVideoView.getParent();viewGroup.removeView(myVideoView);viewGroup.addView(myNormalView);}}@Overridepublic void onProgressChanged(WebView arg0, int arg1) {// TODO Auto-generated method stubsuper.onProgressChanged(arg0, arg1);}@Overridepublic void openFileChooser(ValueCallback<Uri> uploadFile,String acceptType, String captureType) {Log.i("ChromeClient", "openFileChooser enter");Intent i = new Intent(Intent.ACTION_GET_CONTENT);i.addCategory(Intent.CATEGORY_OPENABLE);i.setType("*/*");((Activity) (X5WebView.this.getContext())).startActivityForResult(Intent.createChooser(i, "choose files"), X5WebView.FILE_CHOOSER);super.openFileChooser(uploadFile, acceptType, captureType);}@Overridepublic void onShowCustomView(View arg0, int arg1,CustomViewCallback arg2) {// TODO Auto-generated method stubCustomViewCallback callback = new CustomViewCallback() {@Overridepublic void onCustomViewHidden() {// TODO Auto-generated method stubLog.i("yuanhaizhou", "video view hidden");}};super.onShowCustomView(arg0, arg1, arg2);}/*** webview 的窗口转移*/@Overridepublic boolean onCreateWindow(WebView arg0, boolean arg1,boolean arg2, Message msg) {// TODO Auto-generated method stubLog.i("yuanhaihzou", "onCreateWindow happend!!");if (X5WebView.isSmallWebViewDisplayed == true) {WebView.WebViewTransport webViewTransport = (WebView.WebViewTransport) msg.obj;WebView webView = new WebView(X5WebView.this.getContext()) {protected void onDraw(Canvas canvas) {super.onDraw(canvas);Paint paint = new Paint();paint.setColor(Color.GREEN);paint.setTextSize(15);canvas.drawText("新建窗口", 10, 10, paint);};};webView.setWebViewClient(new WebViewClient() {public boolean shouldOverrideUrlLoading(WebView arg0, String arg1) {arg0.loadUrl(arg1);return true;};});FrameLayout.LayoutParams lp = new LayoutParams(400, 600);lp.gravity = Gravity.CENTER_HORIZONTAL | Gravity.CENTER_VERTICAL;X5WebView.this.addView(webView, lp);webViewTransport.setWebView(webView);msg.sendToTarget();}return true;}@Overridepublic boolean onJsAlert(WebView arg0, String arg1, String arg2,JsResult arg3) {// TODO Auto-generated method stubAlertDialog.Builder builder = new Builder(getContext());builder.setTitle("X5内核");builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {// TODO Auto-generated method stubdialog.dismiss();}});builder.show();arg3.confirm();return true;}/***对应js 的通知弹框 ，可以用来实现js 和 android之间的通信*/@Overridepublic boolean onJsPrompt(WebView arg0, String arg1, String arg2,String arg3, JsPromptResult arg4) {// TODO Auto-generated method stub//在这里可以判定js传过来的数据，用于调起android native 方法if (X5WebView.this.isMsgPrompt(arg1)) {if (X5WebView.this.onJsPrompt(arg2, arg3)) {return true;} else {return false;}}return super.onJsPrompt(arg0, arg1, arg2, arg3, arg4);}@Overridepublic void onReceivedTitle(WebView arg0, final String arg1) {// TODO Auto-generated method stubsuper.onReceivedTitle(arg0, arg1);Log.i("yuanhaizhou", "webpage title is " + arg1);}});}///绘制webview的标记@Overrideprotected boolean drawChild(Canvas canvas, View child, long drawingTime) {boolean ret = super.drawChild(canvas, child, drawingTime);canvas.save();Paint paint = new Paint();paint.setColor(0x7fff0000);paint.setTextSize(24.f);paint.setAntiAlias(true);/*** 取消绘制的标识* 包括内核* 手机信息* 手机名称*/
//        if (getX5WebViewExtension() != null) {//            //Log.d(TAG, "drawChild--X5 Core");
//            canvas.drawText(this.getContext().getPackageName() + "-pid:" + android.os.Process.myPid(), 10, 50, paint);
//            canvas.drawText("X5  Core:" + QbSdk.getTbsVersion(this.getContext()), 10, 100, paint);
//        } else {//            //Log.d(TAG, "drawChild--Sys Core");
//            canvas.drawText(this.getContext().getPackageName() + "-pid:" + android.os.Process.myPid(), 10, 50, paint);
//            canvas.drawText("Sys Core", 10, 100, paint);
//        }
//        canvas.drawText(Build.MANUFACTURER, 10, 150, paint);
//        canvas.drawText(Build.MODEL, 10, 200, paint);canvas.restore();return ret;}public X5WebView(Context arg0) {super(arg0);setBackgroundColor(85621);}@Overridepublic boolean onTouchEvent(MotionEvent event) {// TODO Auto-generated method stubreturn super.onTouchEvent(event);}@Overridepublic boolean onInterceptTouchEvent(MotionEvent ev) {// TODO Auto-generated method stubreturn super.onInterceptTouchEvent(ev);}public static void setSmallWebViewEnabled(boolean enabled) {isSmallWebViewDisplayed = enabled;}@Overrideprotected void onScrollChanged(int l, int t, int oldl, int oldt) {// TODO Auto-generated method stub
//      Log.i("yuanhaizhou","webview scroll y is" +this.getView().getScrollY());
//      Log.i("yuanhaizhou","real webview scroll y is" + this.getScrollY());
//      Log.i("yuanhaizhou","webview webscroll y is" + this.getWebScrollY());Log.i("yuanhaizhou", "webview webscroll y is" + this.getWebScrollY());super.onScrollChanged(l, t, oldl, oldt);}public void addJavascriptBridge(SecurityJsBridgeBundle jsBridgeBundle) {if (this.mJsBridges == null) {this.mJsBridges = new HashMap<String, Object>(5);}if (jsBridgeBundle != null) {String tag = SecurityJsBridgeBundle.BLOCK + jsBridgeBundle.getJsBlockName()+ "-"+ SecurityJsBridgeBundle.METHOD + jsBridgeBundle.getMethodName();this.mJsBridges.put(tag, jsBridgeBundle);}}/*** 当webchromeClient收到 web的prompt请求后进行拦截判断，用于调起本地android方法** @param methodName 方法名称* @param blockName  区块名称* @return true ：调用成功 ； false ：调用失败*/private boolean onJsPrompt(String methodName, String blockName) {String tag = SecurityJsBridgeBundle.BLOCK + blockName+ "-"+ SecurityJsBridgeBundle.METHOD + methodName;if (this.mJsBridges != null && this.mJsBridges.containsKey(tag)) {((SecurityJsBridgeBundle) this.mJsBridges.get(tag)).onCallMethod();return true;} else {return false;}}/*** 判定当前的prompt消息是否为用于调用native方法的消息** @param msg 消息名称* @return true 属于prompt消息方法的调用*/private boolean isMsgPrompt(String msg) {if (msg != null && msg.startsWith(SecurityJsBridgeBundle.PROMPT_START_OFFSET)) {return true;} else {return false;}}}

布局实现 :

引入刚才的自定义x5Webview

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"android:layout_width="match_parent"android:layout_height="match_parent"android:background="@color/zhushen_color"><labelnet.cn.ledou.ui.X5WebView
        android:id="@+id/web_tb_filechooser"android:layout_width="fill_parent"android:layout_height="match_parent"android:layout_marginTop="20dp" /></RelativeLayout>

业务实现 :

package labelnet.cn.ledou;import android.app.ProgressDialog;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.widget.Toast;import com.tencent.smtt.sdk.WebView;
import com.tencent.smtt.sdk.WebViewClient;import labelnet.cn.ledou.net.NetManager;
import labelnet.cn.ledou.net.NetManagerImp;
import labelnet.cn.ledou.ui.X5WebView;/*** Created by yuan on 15-11-9.* <p/>* 公共的 Webview ,用来打开网页使用*/
public class TbOtherHtmlActivity extends AppCompatActivity {private NetManager netManager;private ProgressDialog progressDialog;private String copy_url = "www.labelnet.cn";private Bitmap bitmap;private X5WebView x5WebView;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_tbotherhtml);x5WebView = (X5WebView) findViewById(R.id.web_tb_filechooser);//一些初始化initProgressBar();netManager = new NetManagerImp();x5WebView.setSmallWebViewEnabled(true);x5WebView.setWebViewClient(new WebViewClient() {@Overridepublic void onPageStarted(WebView webView, String s, Bitmap bitmap) {progressDialog.show();}@Overridepublic void onPageFinished(WebView webView, String s) {progressDialog.dismiss();}});initData();}private void initData() {String url = getIntent().getStringExtra("url");this.copy_url = url;if (url == null) {progressDialog.dismiss();showToast("网络链接失败,请重试!");} else {x5WebView.loadUrl(url);}}/*** 初始化 Progressdialog*/private void initProgressBar() {progressDialog = new ProgressDialog(this);progressDialog.setMessage("小鱼说: 请稍后");progressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);}/*** toast** @param msg*/private void showToast(String msg) {Toast.makeText(this, msg, Toast.LENGTH_SHORT).show();}/*** 退出按钮*/@Overridepublic void onBackPressed() {progressDialog.dismiss();finish();}
}

调用实现 :

这里仅仅是传入了地址链接和title , 其他的可以自定义.

Intent intent = new Intent(MainLeActivity.this, TbMusicActivity.class);intent.putExtra("url", url);intent.putExtra("title",title );startActivity(intent);

2.播放视频封装

说明: 点击播放 - > 全屏加载播放 -> 可以暂停播放控制

这个还没有进行优化,仅仅是可以播放视频,没有自己的,可控制的内容.

效果预览 :

在模拟器上播放不了,这里就在真机上截屏了

所需工具 :

采用VideoView实现 , 不需要工具类

VideoView 的一些参数 :

方法说明：
getBufferPercentage：得到缓冲的百分比
getCurrentPosition：得到当前播放位置
getDuration：得到视频文件的时间
resolveAdjustedSize：调整视频显示大小
setMediaController：设置播放控制器模式（播放进度条）
setOnCompletionListener：当视频文件播放完时触发事件
setVideoPath：设置视频源路径
setVideoURI：设置视频源地址

布局实现 :

采用VideoView实现

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"android:layout_width="match_parent"android:layout_height="match_parent"><VideoView
        android:id="@+id/tb_videoview"android:layout_width="match_parent"android:layout_height="wrap_content"android:layout_gravity="center" /><ProgressBar
        android:layout_width="wrap_content"android:layout_height="wrap_content"android:id="@+id/tb_video_progress"android:layout_gravity="center" /></FrameLayout>

业务实现 :

package labelnet.cn.ledou;import android.app.Activity;
import android.content.pm.ActivityInfo;
import android.media.MediaPlayer;
import android.net.Uri;
import android.os.Bundle;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.widget.MediaController;
import android.widget.ProgressBar;
import android.widget.Toast;import com.gitonway.lee.niftymodaldialogeffects.lib.Effectstype;
import com.gitonway.lee.niftymodaldialogeffects.lib.NiftyDialogBuilder;import labelnet.cn.ledou.ui.TbVideoView;/*** Created by yuan on 15-11-6.* 播放视频的Activity*/
public class TbVideoActivity extends Activity implements View.OnClickListener {private TbVideoView tb_videoview;private String url, title;private ProgressBar tb_video_progress;private NiftyDialogBuilder dialogBuilder;@Overrideprotected void onResume() {super.onResume();//设置初始的时候,就横屏和全屏if (getRequestedOrientation() != ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE) {setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);}}@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);//隐藏标题requestWindowFeature(Window.FEATURE_NO_TITLE);//设置全屏getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);setContentView(R.layout.activity_tbvideo);initView();initData();}/*** 准备数据*/private void initData() {url = getIntent().getStringExtra("url");title = getIntent().getStringExtra("title");videoPlay();}/*** 播放视频*/private void videoPlay() {tb_videoview.setVideoURI(Uri.parse(url));tb_videoview.setMediaController(new MediaController(this));tb_videoview.requestFocus();//自动播放tb_videoview.start();}/*** 初始化*/private void initView() {tb_videoview = (TbVideoView) findViewById(R.id.tb_videoview);tb_videoview.setOnClickListener(this);tb_video_progress = (ProgressBar) findViewById(R.id.tb_video_progress);tb_videoview.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {@Overridepublic void onPrepared(MediaPlayer mp) {//onPrepared 加载好,后进度条消失tb_video_progress.setVisibility(View.GONE);}});/*** 加载出错的情况下*/tb_videoview.setOnErrorListener(new MediaPlayer.OnErrorListener() {@Overridepublic boolean onError(MediaPlayer mp, int what, int extra) {showToast("咦,网络打小报告了?");tb_video_progress.setVisibility(View.GONE);return false;}});/*** 播放完毕的监听*/tb_videoview.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {@Overridepublic void onCompletion(MediaPlayer mp) {showToast("播放完了");getDialogShow("嘿嘿,播放完了");}});}private void showToast(String msg) {Toast.makeText(this, msg, Toast.LENGTH_LONG).show();}protected void getDialogShow(String msg) {dialogBuilder.withTitle("温馨提示").withDividerColor("#808080").withMessage(msg).withDialogColor("#808080").withDuration(700).withEffect(Effectstype.Fadein).withButton1Text("返回").setButton1Click(new View.OnClickListener() {@Overridepublic void onClick(View v) {onBackPressed();}}).show();}/*** 最大化视频*/@Overridepublic void onBackPressed() {super.onBackPressed();if (tb_videoview.isPlaying()) {tb_videoview.clearFocus();}finish();}@Overridepublic void onClick(View v) {//showToast("我是title");}
}

调用实现 :

        Intent intent = new Intent(MainLeActivity.this, TbMusicActivity.class);intent.putExtra("url", url);intent.putExtra("title",title );startActivity(intent);

3.总结
这几个都是些简单的实现,后续功能还需要添加和完善.
下篇实现音乐播放器.

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