運行截圖
MainActivity.javajava
package csdn.example.com.notification.NetWorkTest;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import java.io.IOException;
import csdn.example.com.notification.R;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;
public class Main6Activity extends AppCompatActivity implements View.OnClickListener {
TextView request_text;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main6);
request_text = (TextView) findViewById(R.id.request_text);
Button send_Request = (Button) findViewById(R.id.send_request);
send_Request.setOnClickListener(this);
}
@Override
public void onClick(View v) {
if(v.getId() == R.id.send_request){
Log.d("T","沒毛病,老鐵");
//sendRequestWithHttpURLConnection();
sendRequestWithOkHttp();
}
}
private void sendRequestWithOkHttp() {
new Thread(new Runnable() {
@Override
public void run() {
try {
OkHttpClient client = new OkHttpClient();
Request request = new Request.Builder()
.url("http://www.baidu.com")
.build();
Response response = client.newCall(request).execute();
String requestData = response.body().string();
showResponse(requestData);
} catch (IOException e) {
e.printStackTrace();
}
}
}).start();
}
private void showResponse(final String response) {
runOnUiThread(new Runnable() {
@Override
public void run() {
Log.d("T","沒毛病,老鐵1"+response);
request_text.setText(response);
}
});
}
}
activity_main.xmlandroid
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent" xmlns:android="http://schemas.android.com/apk/res/android">
<Button android:layout_width="match_parent" android:layout_height="wrap_content" android:id="@+id/send_request" android:text="發送請求" />
<ScrollView android:layout_width="match_parent" android:layout_height="match_parent" android:background="@color/colorAccent" >
<TextView android:background="@color/colorPrimary" android:id="@+id/request_text" android:layout_width="match_parent" android:layout_height="wrap_content" />
</ScrollView>
</LinearLayout>
AndroidManifest.xmlweb
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="csdn.example.com.notification">
<uses-permission android:name="android.permission.VIBRATE" />
<uses-permission android:name="android.permission.BIND_NOTIFICATION_LISTENER_SERVICE" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
**<uses-permission android:name="android.permission.INTERNET" />**
<application android:allowBackup="true" android:icon="@mipmap/ic_launcher" android:label="@string/app_name" android:roundIcon="@mipmap/ic_launcher_round" android:supportsRtl="true" android:theme="@style/AppTheme">
<provider android:name="android.support.v4.content.FileProvider" android:authorities="csdn.example.com.notification.CameraAlbumTest" android:exported="false" android:grantUriPermissions="true">
<meta-data android:name="android.support.FILE_PROVIDER_PATHS" android:resource="@xml/file_paths" />
</provider>
<activity android:name=".NetWorkTest.Main6Activity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>