实现SignUpActivity
1 package com.example.chatapptest.activities;
2
3 import androidx.activity.result.ActivityResultLauncher;
4 import androidx.activity.result.contract.ActivityResultContracts;
5 import androidx.appcompat.app.AppCompatActivity;
6
7 import android.content.ComponentName;
8 import android.content.Intent;
9 import android.graphics.Bitmap;
10 import android.graphics.BitmapFactory;
11 import android.net.Uri;
12 import android.os.Bundle;
13 import android.provider.MediaStore;
14 import android.util.Base64;
15 import android.util.Patterns;
16 import android.view.View;
17 import android.widget.Toast;
18
19 import com.example.chatapptest.R;
20 import com.example.chatapptest.databinding.ActivitySignUpBinding;
21 import com.example.chatapptest.utilities.Constants;
22 import com.example.chatapptest.utilities.PreferenceManager;
23 import com.google.firebase.firestore.FirebaseFirestore;
24
25 import java.io.ByteArrayOutputStream;
26 import java.io.FileNotFoundException;
27 import java.io.InputStream;
28 import java.util.HashMap;
29
30 public class SignUpActivity extends AppCompatActivity {
31
32 private ActivitySignUpBinding binding;
33 private PreferenceManager preferenceManager;
34 private String encodedImage;
35
36 @Override
37 protected void onCreate(Bundle savedInstanceState) {
38 super.onCreate(savedInstanceState);
39 binding = ActivitySignUpBinding.inflate(getLayoutInflater());
40 setContentView(binding.getRoot());
41 preferenceManager = new PreferenceManager(getApplicationContext());
42 setListeners();
43 }
44
45 private void setListeners(){
46 binding.textSignIn.setOnClickListener(v -> onBackPressed());
47 binding.buttonSignUp.setOnClickListener(v -> {
48 if(isValidSignUpDetails()){
49 signUp();
50 }
51 });
52 binding.layoutImage.setOnClickListener(v -> {
53 Intent intent = new Intent(Intent.ACTION_PICK, MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
54 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
55 pickImage.launch(intent);
56 });
57 }
58
59 private void showToast(String message){
60 Toast.makeText(getApplicationContext(), message, Toast.LENGTH_SHORT).show();
61 }
62
63 private void signUp(){
64 loading(true);
65 FirebaseFirestore database = FirebaseFirestore.getInstance();
66 HashMap<String,Object> user = new HashMap<>();
67 user.put(Constants.KEY_NAME,binding.inputName.getText().toString());
68 user.put(Constants.KEY_EMAIL,binding.inputEmail.getText().toString());
69 user.put(Constants.KEY_PASSWORD,binding.inputPassword.getText().toString());
70 user.put(Constants.KEY_IMAGE,encodedImage);
71 database.collection(Constants.KEY_COLLECTION_USERS)
72 .add(user)
73 .addOnSuccessListener(documentReference -> {
74 loading(false);
75 preferenceManager.putBoolean(Constants.KEY_IS_SIGNED_IN,true);
76 preferenceManager.putString(Constants.KEY_USER_ID, documentReference.getId());
77 preferenceManager.putString(Constants.KEY_NAME,binding.inputName.getText().toString());
78 preferenceManager.putString(Constants.KEY_IMAGE,encodedImage);
79 Intent intent = new Intent(getApplicationContext(),MainActivity.class);
80 intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
81 startActivity(intent);
82 })
83 .addOnFailureListener(exception -> {
84 loading(false);
85 showToast(exception.getMessage());
86 });
87 }
88
89 private String encodeImage(Bitmap bitmap){
90 int previewWidth = 150;
91 int previewHeight = bitmap.getHeight() * previewWidth / bitmap.getWidth();
92 Bitmap previewBitmap = Bitmap.createScaledBitmap(bitmap,previewWidth,previewHeight,false);
93 ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
94 previewBitmap.compress(Bitmap.CompressFormat.JPEG,50,byteArrayOutputStream);
95 byte[] bytes = byteArrayOutputStream.toByteArray();
96 return Base64.encodeToString(bytes,Base64.DEFAULT);
97 }
98
99 private final ActivityResultLauncher<Intent> pickImage = registerForActivityResult(
100 new ActivityResultContracts.StartActivityForResult(),
101 result ->{
102 if(result.getResultCode() == RESULT_OK){
103 if(result.getData() != null){
104 Uri imageUri = result.getData().getData();
105 try {
106 InputStream inputStream = getContentResolver().openInputStream(imageUri);
107 Bitmap bitmap = BitmapFactory.decodeStream(inputStream);
108 binding.imageProfile.setImageBitmap(bitmap);
109 binding.textAddImage.setVisibility(View.GONE);
110 encodedImage = encodeImage(bitmap);
111 }catch (FileNotFoundException e){
112 e.printStackTrace();
113 }
114 }
115 }
116 }
117 );
118
119 private Boolean isValidSignUpDetails(){
120 if(encodedImage == null){
121 showToast("Select profile image");
122 return false;
123 }else if (binding.inputName.getText().toString().trim().isEmpty()){
124 showToast("Enter name");
125 return false;
126 } else if (binding.inputEmail.getText().toString().trim().isEmpty()) {
127 showToast("Enter email");
128 return false;
129 } else if (!Patterns.EMAIL_ADDRESS.matcher(binding.inputEmail.getText().toString()).matches()) {
130 showToast("Enter valid email");
131 return false;
132 } else if (binding.inputPassword.getText().toString().trim().isEmpty()) {
133 showToast("Enter password");
134 return false;
135 } else if (binding.inputConfirmPassword.getText().toString().trim().isEmpty()) {
136 showToast("Confirm you password");
137 return false;
138 } else if (!binding.inputPassword.getText().toString().equals(binding.inputConfirmPassword.getText().toString())) {
139 showToast("Password & confirm password must be same");
140 return false;
141 }else {
142 return true;
143 }
144 }
145
146 private void loading(Boolean isLoading){
147 if(isLoading){
148 binding.buttonSignUp.setVisibility(View.INVISIBLE);
149 binding.progressBar.setVisibility(View.VISIBLE);
150 }else {
151 binding.progressBar.setVisibility(View.INVISIBLE);
152 binding.buttonSignUp.setVisibility(View.VISIBLE);
153 }
154 }
155 }
标签：13,binding,结对,getText,toString,冲刺,import,android,Constants From： https://www.cnblogs.com/Lyh3012648079/p/18242281