这是我在signup.java上的代码，它只是一个制作注册表单的做法 . 这是一个注册，只询问电子邮件和密码，但当我尝试打开我的应用程序时，它突然停止 . 我不知道为什么 .
package com.secretfiles.www.secretfiles;
import android.app.ProgressDialog;
import android.support.annotation.NonNull;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;
import com.google.android.gms.tasks.OnCompleteListener;
import com.google.android.gms.tasks.Task;
import com.google.firebase.auth.AuthResult;
import com.google.firebase.auth.FirebaseAuth;
public class SignUp extends AppCompatActivity implements View.OnClickListener {
private Button btnSignUp;
private EditText etxtemail;
private EditText etxtpword;
private TextView txtview;
private ProgressDialog progressDialog;
private FirebaseAuth firebaseAuth;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_sign_up);
firebaseAuth = FirebaseAuth.getInstance();
progressDialog = new ProgressDialog(this);
btnSignUp = (Button) findViewById(R.id.btnSignUp);
etxtemail = (EditText) findViewById(R.id.etxtemail);
etxtpword = (EditText) findViewById(R.id.etxtpword);
txtview = (TextView) findViewById(R.id.txtview);
btnSignUp.setOnClickListener(this);
txtview.setOnClickListener(this);
}
private void registerUser(){
String email = etxtemail.getText().toString().trim();
String pword = etxtpword.getText().toString().trim();
if(TextUtils.isEmpty(email)){
//uname is empty
Toast.makeText(this, "Please enter username", Toast.LENGTH_SHORT).show();
//stopping the function execution further
return;
}
if(TextUtils.isEmpty(pword)){
//pword is empty
Toast.makeText(this, "Please enter password", Toast.LENGTH_SHORT).show();
//stopping the function
return;
}
//if validations are ok
//we will show a progressbar
progressDialog.setMessage("Resgistering User...");
progressDialog.show();
firebaseAuth.createUserWithEmailAndPassword(email, pword)
.addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
@Override
public void onComplete(@NonNull Task<AuthResult> task) {
if(task.isSuccessful()){
//user is successfully resgistered and logged in
//we will start the progile activity here
//right now lets display a toast only
Toast.makeText(SignUp.this, "Regisrered Successfully", Toast.LENGTH_SHORT).show();
}else {
Toast.makeText(SignUp.this, "Could not register... Please try again", Toast.LENGTH_SHORT).show();
}
}
});
}
@Override
public void onClick(View view) {
if (view == btnSignUp){
registerUser();
}
if(view == txtview){
//will open log in form
}
}
}
我认为它在我的应用程序目录中有我的gradle有一些东西我从youtube的教程中获得了这段代码https://www.youtube.com/watch?v=0NFwF7L-YA8
这是我在app目录中的成绩代码：
apply plugin: 'com.android.application'
android {
compileSdkVersion 25
buildToolsVersion "25.0.2"`enter code here`
defaultConfig {
applicationId "com.secretfiles.www.secretfiles"
minSdkVersion 16
targetSdkVersion 25
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
exclude group: 'com.android.support', module: 'support-annotations'
})
compile 'com.android.support:appcompat-v7:25.1.0'
compile 'com.android.support:design:25.1.0'
compile 'com.google.firebase:firebase-database:9.2.1'
compile 'com.google.gms:google-services:3.0.0'
compile 'com.google.firebase:firebase-auth:10.0.0'
testCompile 'junit:junit:4.12'
}
apply plugin: 'com.google.gms.google-services'
这是logcat：
01-22 16:17:12.527 2467-2477/com.google.android.gms W/SQLiteConnectionPool: A SQLiteConnection object for database '/data/user/0/com.google.android.gms/databases/metrics.db' was leaked! Please fix your application to end transactions in progress properly and to close the database when it is no longer needed.
01-22 16:17:12.528 2467-2477/com.google.android.gms W/SQLiteConnectionPool: A SQLiteConnection object for database '/data/user/0/com.google.android.gms/databases/help_responses.db' was leaked! Please fix your application to end transactions in progress properly and to close the database when it is no longer needed.
01-22 16:17:12.528 2467-2477/com.google.android.gms W/SQLiteConnectionPool: A SQLiteConnection object for database '/data/user/0/com.google.android.gms/databases/auto_complete_suggestions.db' was leaked! Please fix your application to end transactions in progress properly and to close the database when it is no longer needed.
01-22 17:23:52.154 2467-2477/com.google.android.gms W/SQLiteConnectionPool: A SQLiteConnection object for database '/data/user/0/com.google.android.gms/databases/metrics.db' was leaked! Please fix your application to end transactions in progress properly and to close the database when it is no longer needed.
01-22 17:23:52.445 2467-2477/com.google.android.gms W/SQLiteConnectionPool: A SQLiteConnection object for database '/data/user/0/com.google.android.gms/databases/help_responses.db' was leaked! Please fix your application to end transactions in progress properly and to close the database when it is no longer needed.
01-22 17:23:52.446 2467-2477/com.google.android.gms W/SQLiteConnectionPool: A SQLiteConnection object for database '/data/user/0/com.google.android.gms/databases/auto_complete_suggestions.db' was leaked! Please fix your application to end transactions in progress properly and to close the database when it is no longer needed.
01-22 17:24:58.591 2500-2500/com.android.chrome W/IInputConnectionWrapper: getSelectedText on inactive InputConnection
01-22 17:24:58.650 2500-2500/com.android.chrome W/IInputConnectionWrapper: requestCursorAnchorInfo on inactive InputConnection
01-22 17:24:58.718 2500-2500/com.android.chrome W/IInputConnectionWrapper: getTextBeforeCursor on inactive InputConnection
01-22 17:24:58.718 1609-1609/com.android.inputmethod.latin E/RichInputConnection: Unable to connect to the editor to retrieve text.
01-22 17:24:58.718 1609-1609/com.android.inputmethod.latin D/RichInputConnection: Will try to retrieve text later.
01-22 17:24:58.750 2500-2500/com.android.chrome W/IInputConnectionWrapper: getTextBeforeCursor on inactive InputConnection
01-22 17:24:58.752 1609-1609/com.android.inputmethod.latin E/RichInputConnection: Unable to connect to the editor to retrieve text.
01-22 17:24:58.752 1609-1609/com.android.inputmethod.latin W/RichInputConnection: Unable to connect to the editor. Setting caps mode without knowing text.
01-22 17:24:58.767 2500-2500/com.android.chrome W/IInputConnectionWrapper: getTextBeforeCursor on inactive InputConnection
01-22 17:24:58.768 1609-1609/com.android.inputmethod.latin E/RichInputConnection: Unable to connect to the editor to retrieve text.
01-22 17:24:58.768 1609-1609/com.android.inputmethod.latin W/RichInputConnection: Unable to connect to the editor. Setting caps mode without knowing text.
01-22 17:24:58.803 2500-2500/com.android.chrome W/IInputConnectionWrapper: finishComposingText on inactive InputConnection