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이들은 "DatabaseHelper"에서 데이터베이스와 테이블을 작성한 쿼리를 포함하는 두 클래스이며 기본 활동은 "집"이고 변수는 내가 만든 변수입니다 "myDB"그리고 instanciated "DatabaseHelper"클래스에서 oncreate 함수를 호출 ...하지만 언제 내가 내 애플 리케이션을 실행하려고하면 충돌! 또는 PLZ 도움이 나에게 "디버거 지역 8600에 결합 할 수 없습니다"라는 오류 메시지를 제공SQLLite 튜토리얼을 수행 한 후 내 응용 프로그램이 충돌 함
DatabaseHelper :
package com.example.hp.teachme;
import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
public class DatabaseHelper extends SQLiteOpenHelper {
public static final String DATABASE_NAME = "Teachme.db";
public static final String TABLE_NAME = "prof_table.db";
public static final String COL_1 = "ID";
public static final String COL_2 = "PRENOM";
public static final String COL_3 = "NOM";
public static final String COL_4 = "TELEPHONE";
public static final String COL_5 = "ADRESSE";
public static final String COL_6 = "MATIERE";
public static final String COL_7 = "NIVEAU";
public DatabaseHelper(Context context){
super(context, DATABASE_NAME, null, 1);
SQLiteDatabase db = this.getWritableDatabase();
}
@Override
public void onCreate(SQLiteDatabase db){
db.execSQL("create table " + TABLE_NAME +" (ID INTEGER PRIMARY KEY AUTOINCREMENT, PRENOM TEXT, NOM TEXT, TELEPHONE TEXT, ADRESSE TEXT, MATIERE TEXT, NIVEAU TEXT)");
}
@Override
public void onUpgrade(SQLiteDatabase db,int oldVersion,int newVersion){
db.execSQL("DROP TABLE IF EXISTS "+TABLE_NAME);
onCreate(db);
}
}
홈 :
package com.example.hp.teachme;
import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
public class Home extends AppCompatActivity {
DatabaseHelper myDb;
Button prof,etudiant;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_home);
myDb = new DatabaseHelper(this);
prof=(Button)findViewById(R.id.homme_prof);
etudiant=(Button)findViewById(R.id.homme_etudiant);
prof.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent=new Intent(Home.this,login.class);
startActivity(intent);
}
});
etudiant.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent=new Intent(Home.this,recherche_map.class);
startActivity(intent);
}
});
}
}
스택 트레이스 :
--------- beginning of crash
12-13 22:49:25.760 1634-1634/com.example.hp.teachme E/AndroidRuntime: FATAL
EXCEPTION: main
Process: com.example.hp.teachme, PID: 1634
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.hp.teachme/com.example.hp.teachme.Home}: android.database.sqlite.SQLiteException: unknown database prof_table (code 1): , while compiling: create table prof_table.db (ID INTEGER PRIMARY KEY AUTOINCREMENT, PRENOM TEXT, NOM TEXT, TELEPHONE TEXT, ADRESSE TEXT, MATIERE TEXT, NIVEAU TEXT)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2464)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2524)
at android.app.ActivityThread.access$900(ActivityThread.java:154)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1391)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:234)
at android.app.ActivityThread.main(ActivityThread.java:5526)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
Caused by: android.database.sqlite.SQLiteException: unknown database prof_table (code 1): , while compiling: create table prof_table.db (ID INTEGER PRIMARY KEY AUTOINCREMENT, PRENOM TEXT, NOM TEXT, TELEPHONE TEXT, ADRESSE TEXT, MATIERE TEXT, NIVEAU TEXT)
at android.database.sqlite.SQLiteConnection.nativePrepareStatement(Native Method)
at android.database.sqlite.SQLiteConnection.acquirePreparedStatement(SQLiteConnection.java:893)
at android.database.sqlite.SQLiteConnection.prepare(SQLiteConnection.java:504)
at android.database.sqlite.SQLiteSession.prepare(SQLiteSession.java:588)
at android.database.sqlite.SQLiteProgram.<init>(SQLiteProgram.java:58)
at android.database.sqlite.SQLiteStatement.<init>(SQLiteStatement.java:31)
at android.database.sqlite.SQLiteDatabase.executeSql(SQLiteDatabase.java:1674)
at android.database.sqlite.SQLiteDatabase.execSQL(SQLiteDatabase.java:1605)
at com.example.hp.teachme.DatabaseHelper.onCreate(DatabaseHelper.java:27)
at android.database.sqlite.SQLiteOpenHelper.getDatabaseLocked(SQLiteOpenHelper.java:251)
at android.database.sqlite.SQLiteOpenHelper.getWritableDatabase(SQLiteOpenHelper.java:163)
at com.example.hp.teachme.DatabaseHelper.<init>(DatabaseHelper.java:22)
at com.example.hp.teachme.Home.onCreate(Home.java:18)
at android.app.Activity.performCreate(Activity.java:6285)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1108)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2417)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2524)
at android.app.ActivityThread.access$900(ActivityThread.java:154)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1391)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:234)
at android.app.ActivityThread.main(ActivityThread.java:5526)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
가능한 복제가 불행하게도 MyApp를이 중지되었습니다. 어떻게 해결할 수 있습니까?] (https://stackoverflow.com/questions/23353173/unfortunately-myapp-has-stopped-how-can-i-solve-this) –
위의 링크를 읽고 방법을 찾는 방법에 대한 정보를 얻을 수 있습니다. 오류의 원인. –