こんにちは、初めてのアプリをAndroid
作成したばかりで、多くの問題が発生しています。Android
エラー メッセージが表示されLogcat
、アプリが応答しません。以下に、私のManifest
、MainActivity
およびLogcat
詳細を示します。
私を助けてください。
マニフェスト ファイル:
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="18" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.INTERNET"/>
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.example.bijaru.MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name="com.example.bijaru.SettingsActivity"
android:label="@string/title_activity_settings" >
</activity>
<activity
android:name="com.example.bijaru.LoggedinActivity"
android:label="@string/title_activity_loggedin" >
</activity>
</application>
メイン アクティビティ ファイル:-
package com.example.bijaru;
//importing of files
public class MainActivity extends Activity {
Button login;
EditText username,password;
TextView status;
HttpPost httppost;
StringBuffer stringbuffer;
HttpResponse response;
HttpClient client;
List<NameValuePair> namevaluepair;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
addListenerOnButton();
}
private void addListenerOnButton() {
// TODO Auto-generated method stub
username=(EditText)findViewById(R.id.username);
password=(EditText)findViewById(R.id.password);
status=(TextView)findViewById(R.id.status);
//final Context context = this;
login = (Button) findViewById(R.id.login);
login.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
switch (arg0.getId()){
case R.id.login:
login();
break;
}
// Intent intent = new Intent(context, LoggedinActivity.class);
// startActivity(intent);
}
private void login() {
// TODO Auto-generated method stub
try{
client = new DefaultHttpClient();
httppost=new HttpPost("http://127.0.0.1/bijaru/check.php");
namevaluepair = new ArrayList<NameValuePair>(1);
namevaluepair.add(new BasicNameValuePair("username", username.getText().toString().trim()));
namevaluepair.add(new BasicNameValuePair("password", password.getText().toString().trim()));
httppost.setEntity(new UrlEncodedFormEntity(namevaluepair));
response=client.execute(httppost);
ResponseHandler<String> responsehandler =new BasicResponseHandler();
final String response=client.execute(httppost,responsehandler);
status.setText(""+response);
if(response.equalsIgnoreCase("sucess"))
{
startActivity(new Intent(MainActivity.this,LoggedinActivity.class));
}
}
catch(Exception e)
{
e.printStackTrace();
}
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}
エラー ログ カテゴリ:-
08-07 07:09:36.341: E/cutils-trace(887): Error opening trace file: No such file or directory (2)
08-07 07:09:44.411: E/SoundPool(287): error loading /system/media/audio/ui/Effect_Tick.ogg
08-07 07:09:44.411: W/AudioService(287): Soundpool could not load file: /system/media/audio/ui/Effect_Tick.ogg
08-07 07:09:44.421: E/SoundPool(287): error loading /system/media/audio/ui/Effect_Tick.ogg
08-07 07:09:44.421: W/AudioService(287): Soundpool could not load file: /system/media/audio/ui/Effect_Tick.ogg
08-07 07:09:44.431: E/SoundPool(287): error loading /system/media/audio/ui/Effect_Tick.ogg
08-07 07:09:44.431: W/AudioService(287): Soundpool could not load file: /system/media/audio/ui/Effect_Tick.ogg
08-07 07:09:44.431: E/SoundPool(287): error loading /system/media/audio/ui/Effect_Tick.ogg
08-07 07:09:44.441: W/AudioService(287): Soundpool could not load file: /system/media/audio/ui/Effect_Tick.ogg
08-07 07:09:44.451: E/SoundPool(287): error loading /system/media/audio/ui/Effect_Tick.ogg
08-07 07:09:44.451: W/AudioService(287): Soundpool could not load file: /system/media/audio/ui/Effect_Tick.ogg
08-07 07:09:44.461: W/System.err(853): android.os.NetworkOnMainThreadException
08-07 07:09:44.471: E/SoundPool(287): error loading /system/media/audio/ui/KeypressStandard.ogg
08-07 07:09:44.471: W/AudioService(287): Soundpool could not load file: /system/media/audio/ui/KeypressStandard.ogg
08-07 07:09:44.471: E/SoundPool(287): error loading /system/media/audio/ui/KeypressSpacebar.ogg
08-07 07:09:44.481: W/AudioService(287): Soundpool could not load file: /system/media/audio/ui/KeypressSpacebar.ogg
08-07 07:09:44.491: E/SoundPool(287): error loading /system/media/audio/ui/KeypressDelete.ogg
08-07 07:09:44.491: W/AudioService(287): Soundpool could not load file: /system/media/audio/ui/KeypressDelete.ogg
08-07 07:09:44.501: W/System.err(853): at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1133)
08-07 07:09:44.501: W/System.err(853): at libcore.io.BlockGuardOs.connect(BlockGuardOs.java:84)
08-07 07:09:44.501: W/System.err(853): at libcore.io.IoBridge.connectErrno(IoBridge.java:127)
08-07 07:09:44.501: W/System.err(853): at libcore.io.IoBridge.connect(IoBridge.java:112)
08-07 07:09:44.501: W/System.err(853): at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:192)
08-07 07:09:44.511: E/SoundPool(287): error loading /system/media/audio/ui/KeypressReturn.ogg
08-07 07:09:44.511: W/AudioService(287): Soundpool could not load file: /system/media/audio/ui/KeypressReturn.ogg
08-07 07:09:44.521: W/AudioService(287): onLoadSoundEffects(), Error -1 while loading samples
08-07 07:09:44.521: W/System.err(853): at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:459)
08-07 07:09:44.521: W/System.err(853): at java.net.Socket.connect(Socket.java:842)
08-07 07:09:44.521: W/System.err(853): at org.apache.http.conn.scheme.PlainSocketFactory.connectSocket(PlainSocketFactory.java:119)
08-07 07:09:44.531: W/System.err(853): at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:144)
08-07 07:09:44.531: W/System.err(853): at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:164)
08-07 07:09:44.541: W/System.err(853): at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:119)
08-07 07:09:44.541: W/System.err(853): at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:360)
08-07 07:09:44.541: W/System.err(853): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:555)
08-07 07:09:44.541: W/System.err(853): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:487)
08-07 07:09:44.551: W/System.err(853): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:465)
08-07 07:09:44.551: W/System.err(853): at com.example.bijaru.MainActivity$1.login(MainActivity.java:87)
08-07 07:09:44.551: W/System.err(853): at com.example.bijaru.MainActivity$1.onClick(MainActivity.java:68)
08-07 07:09:44.551: W/System.err(853): at android.view.View.performClick(View.java:4240)
08-07 07:09:44.561: W/System.err(853): at android.view.View$PerformClick.run(View.java:17721)
08-07 07:09:44.561: W/System.err(853): at android.os.Handler.handleCallback(Handler.java:730)
08-07 07:09:44.561: W/System.err(853): at android.os.Handler.dispatchMessage(Handler.java:92)
08-07 07:09:44.571: W/System.err(853): at android.os.Looper.loop(Looper.java:137)
08-07 07:09:44.571: W/System.err(853): at android.app.ActivityThread.main(ActivityThread.java:5103)
08-07 07:09:44.581: W/System.err(853): at java.lang.reflect.Method.invokeNative(Native Method)
08-07 07:09:44.581: W/System.err(853): at java.lang.reflect.Method.invoke(Method.java:525)
08-07 07:09:44.581: W/System.err(853): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737)
08-07 07:09:44.581: W/System.err(853): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
08-07 07:09:44.581: W/System.err(853): at dalvik.system.NativeStart.main(Native Method)
PHP コード:-
<?php
define("HOST", "localhost");
// The host you want to connect to.
define("USER", "admin");
// The database username.
define("PASSWORD", "admin");
// The database password.
define("DATABASE", "bijaru");
// The database name.
// Create connection
$con = mysqli_connect(HOST, USER, PASSWORD, DATABASE);
// Check connection
if (mysqli_connect_errno($con)) {
echo "Failed to connect to MySQL: " . mysqli_connect_error();
}
if (isset($_POST['login'])) {
$username = $_POST['username'];
$password = $_POST['password'];
$str="SELECT * FROM users WHERE username='{$username}' and password='{$password}'";
if ($result = mysqli_query($con, $str)) {
// Return the number of rows in result set
$rowcount = mysqli_num_rows($result);
if($rowcount !=0)
{
echo "sucess";
}
else
{
echo "login failed";
}
}
else
{
echo "query fail";
}
}
?>
<!DOCTYPE html>
<html>
<body>
<form method="post">
Name:
<input type="text" name="username">
Password:
<input type="password" name="password">
<input type="submit" name="login">
</form>
</body>
</html>