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Java 为什么我的WebView没有';不行?_Java_Android_Xml_Webview - Fatal编程技术网

Java 为什么我的WebView没有';不行?

Java 为什么我的WebView没有';不行?,java,android,xml,webview,Java,Android,Xml,Webview,嗯,我完全是一个初学者,我试图为webview做一些练习。然而,我找不到它是什么问题。有人能帮我吗?谢谢 这是我的java类: public class MainActivity extends AppCompatActivity { private Button button; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); se

嗯,我完全是一个初学者,我试图为webview做一些练习。然而,我找不到它是什么问题。有人能帮我吗?谢谢

这是我的java类:

public class MainActivity extends AppCompatActivity {
private Button button;
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    button = (Button) findViewById(R.id.button1)
    ;
   Uri uri = Uri.parse("www.google.com");
    final Intent intent = new Intent(Intent.ACTION_VIEW,uri);

    button.setOnClickListener(
            new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    startActivity(intent);
                }
            }
    );
}
}
这是我的清单文件:

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.jinyu.webview">
<uses-permission android:name="android.permission.INTERNET"/>
<application

    android:allowBackup="true"
    android:icon="@mipmap/ic_launcher"
    android:label="@string/app_name"
    android:supportsRtl="true"
    android:theme="@style/AppTheme">
    <activity android:name=".MainActivity">
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />
            <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
    </activity>
</application>

</manifest>
“http://”或
“https://”添加到您的url。

“http://”或
“https://”添加到您的url。

编辑(面向未来访问者):在实际
url
之前添加
http://
https://

实现这一目标的最短途径是

public class MainActivity extends AppCompatActivity {
private Button button;
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    button = (Button) findViewById(R.id.button1);

    button.setOnClickListener(
            new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                   startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse("http://www.google.com")));
                }
            }
    );
}
}
编辑(面向未来访问者):在实际
url
之前添加
http://
https://

实现这一目标的最短途径是

public class MainActivity extends AppCompatActivity {
private Button button;
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    button = (Button) findViewById(R.id.button1);

    button.setOnClickListener(
            new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                   startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse("http://www.google.com")));
                }
            }
    );
}
}

您没有在web视图上加载url吗?遵循本教程:)您没有在web视图上加载url吗?遵循本教程:)谢谢,我很感激。谢谢,我很感激。