<activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
            <intent-filter>
                <action android:name="android.intent.action.VIEW" />

                <category android:name="android.intent.category.DEFAULT" />
                <category android:name="android.intent.category.BROWSABLE" />

                <data android:scheme="http" />
                <data android:scheme="https" />
                <data android:scheme="about" />
                <data android:scheme="javascript" />
            </intent-filter>
        </activity>
 

package com.gaozewen.superbrowser;

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.webkit.WebView;
import android.widget.EditText;
import android.widget.ImageView;

public class MainActivity extends AppCompatActivity {

    private EditText mEt_path;
    private ImageView mIv_go;
    private WebView mWv;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        mEt_path = (EditText) findViewById(R.id.et_path);
        mIv_go = (ImageView) findViewById(R.id.iv_go);
        mWv = (WebView) findViewById(R.id.wv);

        Intent intent = getIntent();
        if (intent != null && intent.getData() != null) {
            String path = intent.getData().toString();
            mWv.loadUrl(path);
            mEt_path.setText(path);
        }

        mIv_go.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                String path =  mEt_path.getText().toString().trim();
                mWv.loadUrl(path);
            }
        });
    }
}