echochio

將WebView 變更為顯示右上角 1/4 圖片

  



package com.example.hellowebviewactivity;

import android.os.Bundle;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.util.DisplayMetrics;
import android.view.Gravity;
import android.view.Window;
import android.view.WindowManager;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.FrameLayout;

@SuppressLint("SetJavaScriptEnabled")
public class MainActivity extends Activity {
    WebView mWebView ;
    FrameLayout FrameLayout1;
    FrameLayout FrameLayout2;
	DisplayMetrics metrics;

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    //// get windows metrics;
    requestWindowFeature(Window.FEATURE_NO_TITLE);   
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, 
    WindowManager.LayoutParams.FLAG_FULLSCREEN);
    metrics = new DisplayMetrics();
    getWindowManager().getDefaultDisplay().getMetrics(metrics);

    ////// use windows metrics set frame layout
    FrameLayout1 = new FrameLayout(this);
    FrameLayout2 = new FrameLayout(this);
    FrameLayout.LayoutParams lparam1 = new FrameLayout.LayoutParams(metrics.widthPixels,metrics.heightPixels);
    FrameLayout1.setLayoutParams(lparam1);
    FrameLayout.LayoutParams lparam2 = new FrameLayout.LayoutParams(metrics.widthPixels/2,metrics.heightPixels/2);
    lparam2.gravity = Gravity.LEFT|Gravity.TOP;
    lparam2.leftMargin = 0;//X
    lparam2.topMargin = 0;//Y
    FrameLayout2.setLayoutParams(lparam2);
    this.setContentView(FrameLayout1);
    FrameLayout1.addView(FrameLayout2);
    
    ///// set webview
    mWebView = new WebView(this);
    mWebView.setLayoutParams(lparam2);
    mWebView.loadUrl("http://www.google.com");
    mWebView.getSettings().setJavaScriptEnabled(true);
    mWebView.setWebViewClient(mWebViewClient);
    FrameLayout2.addView(mWebView);      
}
WebViewClient mWebViewClient = new WebViewClient() {
	  @Override
	  public boolean shouldOverrideUrlLoading(WebView view, String url) {
	   view.loadUrl(url);
	   return true;
	  }
};
}


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AndroidManifest.xml 要加 

<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />