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Android Studio錯誤“無法停止執行活動”

[英]Android Studio Error “Perfoming stop of activity that is not resumed”

當我運行我的應用程序時,它只會打開一個白屏並停留在那里,這會減慢整個手機的速度,直到我被迫關閉它。 Logcat說,第一個錯誤是“執行停止未恢復的活動”。 我的主文件上確實沒有onResume。 我應該有一個onResume還是有其他方法可以解決此問題?

這是我在運行時遇到的錯誤:

05-13 05:13:34.124: E/ActivityThread(27498): Performing stop of activity that is not resumed: {com.example.douglas.topic/com.example.douglas.topic.LoginActivity}
05-13 05:13:34.124: E/ActivityThread(27498): java.lang.RuntimeException: Performing stop of activity that is not resumed: {com.example.douglas.topic/com.example.douglas.topic.LoginActivity}
05-13 05:13:34.124: E/ActivityThread(27498):    at android.app.ActivityThread.performStopActivityInner(ActivityThread.java:3214)
05-13 05:13:34.124: E/ActivityThread(27498):    at android.app.ActivityThread.handleStopActivity(ActivityThread.java:3301)
05-13 05:13:34.124: E/ActivityThread(27498):    at android.app.ActivityThread.access$1100(ActivityThread.java:139)
05-13 05:13:34.124: E/ActivityThread(27498):    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1237)
05-13 05:13:34.124: E/ActivityThread(27498):    at android.os.Handler.dispatchMessage(Handler.java:102)
05-13 05:13:34.124: E/ActivityThread(27498):    at android.os.Looper.loop(Looper.java:136)
05-13 05:13:34.124: E/ActivityThread(27498):    at android.app.ActivityThread.main(ActivityThread.java:5097)
05-13 05:13:34.124: E/ActivityThread(27498):    at java.lang.reflect.Method.invokeNative(Native Method)
05-13 05:13:34.124: E/ActivityThread(27498):    at java.lang.reflect.Method.invoke(Method.java:515)
05-13 05:13:34.124: E/ActivityThread(27498):    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:785)
05-13 05:13:34.124: E/ActivityThread(27498):    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:601)
05-13 05:13:34.124: E/ActivityThread(27498):    at dalvik.system.NativeStart.main(Native Method)

這是我主要活動的代碼:

package com.example.douglas.topic;

import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

import com.example.douglas.topic.LoginActivity;
import com.example.douglas.topic.PostActivity;
import com.example.douglas.topic.PostAdapter;
import com.example.douglas.topic.PostDataProvider;
import com.example.douglas.topic.R;
import com.parse.Parse;
import com.parse.ParseObject;
import com.parse.ParseUser;


public class Lorem extends ActionBarActivity {

    //private static final String="POST";
    ListView listView;
    int[] pic_thumbnail_resource = {R.mipmap.ic_launcher, R.mipmap.ic_launcher, R.mipmap.ic_launcher, R.mipmap.ic_launcher,
            R.mipmap.ic_launcher, R.mipmap.ic_launcher,};
    String[] post_ratings;
    String[] post_titles;
    PostAdapter adapter;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        // Parse

        // Enable Local Datastore.
        //Parse.enableLocalDatastore(this);
        Parse.initialize(getApplicationContext(), "wHN7DSZyAzVXT5xs5ASDFGwOWasUExbeuePvQvL", "SsvjuJ7e97FsScI12VB7dlv8RilgSoFSw5waIOXM");
        //ParseObject testObject = new ParseObject("TestObject");
        //testObject.put("foo", "bar");
        //testObject.saveInBackground();

        ParseUser currentUser = ParseUser.getCurrentUser();
        if (currentUser != null) {
            // do stuff with the user


        } else {
            // show the signup or login screen
            Intent takeUsertoLogin = new Intent(this, LoginActivity.class);
            startActivity(takeUsertoLogin);
        }

        // End Parse

        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_lorem);

        listView = (ListView)findViewById(R.id.list_view);
        post_ratings = getResources().getStringArray(R.array.post_ratings);
        post_titles = getResources().getStringArray(R.array.post_titles);

        //populateListView();
        registerClickCallback();

        int i = 0;
        adapter = new PostAdapter(getApplicationContext(),R.layout.row_layout);
        listView.setAdapter(adapter);

        for(String titles: post_titles)
        {
            PostDataProvider dataProvider = new PostDataProvider(pic_thumbnail_resource[i], titles, post_ratings[i]);
            adapter.add(dataProvider);
            i++;
        }
    }


    private void registerClickCallback(){
        ListView list = (ListView) findViewById(R.id.list_view);
        list.setOnItemClickListener(new AdapterView.OnItemClickListener(){
            @Override
            public void onItemClick(AdapterView<?> parent, View viewClicked, int position, long id){
                TextView textView = (TextView) viewClicked;
                String message = "You clicked # " + position + ",which is string: " + textView.getText().toString();
                Toast.makeText(Lorem.this, message, Toast.LENGTH_LONG).show();
            }
        });
    }

/*
    @Override
    public void onActivityResult(String requestCode, String resultCode, Intent data){

        if (requestCode == "POST")
        {
            myItems.add
        }

        super.onActivityResult(requestCode, resultCode, data);
    }
*/

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_lorem, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        super.onOptionsItemSelected(item);
        switch (item.getItemId()){
            case R.id.post:
                aboutItemPost();
                break;
            case R.id.location:
                aboutItemLocation();
                break;
            case R.id.topic:
                aboutItemTopic();
                break;
            case R.id.sort:
                aboutItemSort();
                break;
            case R.id.login:
                aboutItemLogin();
            case R.id.Register:
                aboutItemRegister();
            case R.id.Logout:
                aboutItemLogout();
        }
        return true;
    }

    private void aboutItemPost(){
        Intent intent = new Intent(getApplicationContext(), PostActivity.class);
        startActivityForResult(intent, 0);
    }

    private void aboutItemLocation(){
        Intent intent = new Intent(getApplicationContext(), LocationActivity.class);
        startActivityForResult(intent, 0);
    }

    private void aboutItemTopic(){
        Intent intent = new Intent(getApplicationContext(), TopicActivity.class);
        startActivityForResult(intent, 0);

    }

    private void aboutItemSort(){
        new AlertDialog.Builder(this)
                .setTitle("Sort")
                .setMessage("This is where the user will sort what they want to see")
                .setNeutralButton("OK", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {

                    }
                }).show();

    }

    private void aboutItemLogin(){
        Intent takeUsertoLogin = new Intent(this, LoginActivity.class);
        startActivity(takeUsertoLogin);
    }

    private void aboutItemRegister(){
        Intent intent = new Intent(getApplicationContext(), RegisterActivity.class);
        startActivityForResult(intent, 0);
    }

    private void aboutItemLogout() {
        // log the user out
        ParseUser.logOut();

        // take the user back to log in screen
        Intent takeUsertoLogin = new Intent(this, LoginActivity.class);
        startActivity(takeUsertoLogin);

    }

}

這是我的登錄活動的代碼:

package com.example.douglas.topic;

import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

import com.parse.LogInCallback;
import com.parse.Parse;
import com.parse.ParseUser;

import java.text.ParseException;

/**
 * Created by Douglas on 5/10/2015.
 */
public class LoginActivity extends Lorem {

    protected EditText mUsername;
    protected EditText mPassword;
    protected Button mLoginButton;
    protected Button mCreateAccountButton;

    @Override
    public void onCreate(Bundle savedInstanceState){
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_login);

        //initialize
        mUsername = (EditText)findViewById(R.id.LoginUserName);
        mPassword = (EditText)findViewById(R.id.LoginPassword);
        mLoginButton = (Button)findViewById(R.id.LoginButton);
        mCreateAccountButton = (Button)findViewById(R.id.LoginRegisterButton);

        // Listen to when mLoginButton is clicked
        mLoginButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                // get the user input from the edit text and convert into string
                String username = mUsername.getText().toString().trim();
                String password = mPassword.getText().toString().trim();

                // Login the user using Parse SDK
                ParseUser.logInInBackground(username, password, new LogInCallback() {
                    @Override
                    public void done(ParseUser parseUser, com.parse.ParseException e) {

                        if (e == null) {
                            // Success, user logged in
                            Toast.makeText(LoginActivity.this, "Welcome Back!", Toast.LENGTH_SHORT).show();

                            Intent takeUserHome = new Intent(LoginActivity.this, Lorem.class);
                            startActivity(takeUserHome);

                        } else {
                            // Failure to Log in, advise user
                            AlertDialog.Builder builder = new AlertDialog.Builder(LoginActivity.this);
                            builder.setMessage(e.getMessage());
                            builder.setTitle("Sorry!");
                            builder.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
                                @Override
                                public void onClick(DialogInterface dialog, int which) {
                                    // close the dialog window
                                    dialog.dismiss();
                                }
                            });
                            AlertDialog dialog = builder.create();
                            dialog.show();
                        }

                    }
                });
            }
        });
    }
}

感謝您的時間。

您已在“活動”完成加載之前采取了以下措施:

     super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_lorem);

必須位於Your onCreate()的頂部。 另外,logcat說,問題可能出在LoginActivity中。 像我說的那樣更改順序,如果這不是問題,請回來。

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