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src/Notes-master1/app/src/main/java/net/micode/notes/ui/LoginActivity.java

@@ -0,0 +1,135 @@
+package net.micode.notes.ui;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.Intent;
+import android.os.Bundle;
+import android.text.Editable;
+import android.text.TextWatcher;
+import android.util.Log;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.Toast;
+
+import net.micode.notes.R;
+import net.micode.notes.tool.CheckUtils;
+
+import java.io.IOException;
+import java.util.Timer;
+import java.util.zip.Inflater;
+
+public class LoginActivity extends Activity {
+     String account;
+     String password;
+
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        this.setContentView(R.layout.login);
+
+        //保存输入信息
+        EditText inputAccount = (EditText)findViewById(R.id.login_aacount);
+        EditText inputPassword = (EditText) findViewById(R.id.login_password);
+
+        inputAccount.addTextChangedListener(new TextWatcher() {
+            @Override
+            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+
+            }
+
+            @Override
+            public void onTextChanged(CharSequence s, int start, int before, int count) {
+            }
+
+            @Override
+            public void afterTextChanged(Editable s) {
+                account = s.toString();
+            }
+        });
+        inputPassword.addTextChangedListener(new TextWatcher() {
+            @Override
+            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+
+            }
+
+            @Override
+            public void onTextChanged(CharSequence s, int start, int before, int count) {
+
+            }
+
+            @Override
+            public void afterTextChanged(Editable s) {
+                password = s.toString();
+            }
+        });
+
+        //登录按钮
+        Button loginButton = (Button) findViewById(R.id.login_accept);
+        loginButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                CheckUtils checkUtils = null;
+                try {
+                    checkUtils = new CheckUtils(LoginActivity.this);
+                } catch (IOException e) {
+                    throw new RuntimeException(e);
+                } catch (ClassNotFoundException e) {
+                    throw new RuntimeException(e);
+                }
+
+                if(checkUtils.check(account,password)){
+                        Intent intent = new Intent(LoginActivity.this,NoteEditActivity.class);
+                        intent.setAction(Intent.ACTION_VIEW);
+                        startActivity(intent);
+                    }
+                    else{
+                        Toast checkErrorToast = Toast.makeText(LoginActivity.this,R.string.check_error,Toast.LENGTH_SHORT);
+                        checkErrorToast.show();
+                    }
+            }
+        });
+
+        //注册按钮
+        Button registerButton = (Button) findViewById(R.id.login_register);
+        registerButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                //输入非空
+                if(account != null && password != null) {
+                    CheckUtils checkUtils = null;
+                    try {
+                        checkUtils = new CheckUtils(LoginActivity.this);
+                    } catch (IOException e) {
+                        throw new RuntimeException(e);
+                    } catch (ClassNotFoundException e) {
+                        throw new RuntimeException(e);
+                    }
+                    try {
+                        checkUtils.loginData.write(account,password,LoginActivity.this);
+                    } catch (IOException e) {
+                        throw new RuntimeException(e);
+                    }
+
+                    Toast registerOKToast = Toast.makeText(LoginActivity.this, R.string.register_ok, Toast.LENGTH_SHORT);
+                    registerOKToast.show();
+
+                    Intent intent = new Intent(LoginActivity.this, NoteEditActivity.class);
+                    intent.setAction(Intent.ACTION_VIEW);
+                    startActivity(intent);
+                }
+                else {
+                    account = null;
+                    password = null;
+
+                    Toast toast = Toast.makeText(LoginActivity.this,R.string.input_error,Toast.LENGTH_SHORT);
+                    toast.show();
+                }
+            }
+        });
+    }
+
+}