using PreferenceActivtity #2

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open

cuongquoc2710 wants to merge 5 commits into dotran1989:master from cuongquoc2710:master

.gitignore

Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		*.idea

AndroidPersistentData/app/src/main/AndroidManifest.xml

-Original file line number
+Diff line change
@@ Expand Up / @@ -19,6 +19,7 @@ @@
                     <category android:name="android.intent.category.LAUNCHER" />
                 </intent-filter>
             </activity>
+            <activity android:name=".settings.SettingsActivity"/>
         </application>
     </manifest>

...ntData/app/src/main/java/expert/android/quoccuong/androidpersistentdata/MainActivity.java

-Original file line number
+Diff line change
@@ -1,10 +1,16 @@
     package expert.android.quoccuong.androidpersistentdata;
+    import android.content.Intent;
+    import android.content.SharedPreferences;
+    import android.preference.PreferenceManager;
     import android.support.annotation.NonNull;
     import android.support.v7.app.AppCompatActivity;
     import android.os.Bundle;
     import android.text.TextUtils;
     import android.util.Log;
+    import android.view.Menu;
+    import android.view.MenuInflater;
+    import android.view.MenuItem;
     import android.view.View;
     import android.widget.Button;
     import android.widget.EditText;
@@ Expand All / @@ -18,6 +24,9 @@ @@
     import java.io.InputStreamReader;
     import java.io.OutputStreamWriter;
+    import expert.android.quoccuong.androidpersistentdata.settings.SettingsActivity;
+    import expert.android.quoccuong.androidpersistentdata.settings.UserSettingsChangeListener;
     public class MainActivity extends BaseActivity implements View.OnClickListener{
         private EditText edtMessage;
@@ Expand All @@
         private static final String FILENAME = "sample.txt";
+        private SharedPreferences sharedPreferences;
         private UserAction recentUserAction;
+        private UserSettingsChangeListener listener;
         enum UserAction {
             READ, WRITE
@@ Expand All / @@ -46,6 +58,9 @@ protected void onCreate(Bundle savedInstanceState) { @@
             btnRead.setOnClickListener(this);
             Log.d("Cuong", "OnCreate");
+    //        sharedPreferences = getSharedPreferences(getPackageName(), MODE_PRIVATE); context
+            sharedPreferences = getPreferences(MODE_PRIVATE); // activity
         }
         @Override
@@ Expand All / @@ -69,7 +84,8 @@ protected void onResume() { @@
         private void populateTheReadText() {
             recentUserAction = UserAction.READ;
-            try {
+            txtMessage.setText(sharedPreferences.getString("sample_key", "String not found"));
+            /*try {
                 if (arePermissionGranted(EXTERNAL_STORAGE_READ_WRITE_PERMISSION)) {
                     txtMessage.setText(readTextFromExternalStorage(FILENAME));
                     txtMessage.setVisibility(View.VISIBLE);
@@ Expand All / @@ -80,14 +96,17 @@ private void populateTheReadText() { @@
             } catch (IOException e) {
                 e.printStackTrace();
                 txtMessage.setVisibility(View.GONE);
-            }
+            }*/
         }
         private void writeContentToFile() {
             recentUserAction = UserAction.WRITE;
             String text = edtMessage.getText().toString();
             if (!TextUtils.isEmpty(text)) {
-                try {
+                SharedPreferences.Editor editor = sharedPreferences.edit();
+                editor.putString("sample_key", text);
+                editor.commit();
+                /*try {
                     if (arePermissionGranted(EXTERNAL_STORAGE_READ_WRITE_PERMISSION)) {
                         writeToExternalStorageFile(FILENAME, text);
                     } else {
@@ Expand All / @@ -96,7 +115,7 @@ private void writeContentToFile() { @@
                     }
                 } catch (IOException e) {
                     e.printStackTrace();
-                }
+                }*/
             }
         }
@@ Expand All @@
                 }
             }
         }
+        @Override
+        public boolean onCreateOptionsMenu(Menu menu) {
+            MenuInflater menuInflater = getMenuInflater();
+            menuInflater.inflate(R.menu.menu_main_activity, menu);
+            return super.onCreateOptionsMenu(menu);
+        }
+        @Override
+        public boolean onOptionsItemSelected(MenuItem item) {
+            listener = new UserSettingsChangeListener(getApplicationContext());
+            switch (item.getItemId()) {
+                case R.id.menu_settings:
+                    startActivity(new Intent(getApplicationContext(), SettingsActivity.class));
+                    PreferenceManager.getDefaultSharedPreferences(getApplicationContext()).registerOnSharedPreferenceChangeListener(listener);
+                    break;
+                default:
+                    break;
+            }
+            return super.onOptionsItemSelected(item);
+        }
+        @Override
+        protected void onDestroy() {
+            super.onDestroy();
+            PreferenceManager.getDefaultSharedPreferences(getApplicationContext()).unregisterOnSharedPreferenceChangeListener(listener);
+        }
     }

...c/main/java/expert/android/quoccuong/androidpersistentdata/settings/SettingsActivity.java

-Original file line number
+Diff line change
@@ -0,0 +1,20 @@
+    package expert.android.quoccuong.androidpersistentdata.settings;
+    import android.os.Bundle;
+    import android.preference.PreferenceActivity;
+    import android.support.annotation.Nullable;
+    import expert.android.quoccuong.androidpersistentdata.R;
+    /**
+     * Created by CuongDuong on 1/17/2018.
+     */
+    public class SettingsActivity extends PreferenceActivity {
+        @Override
+        protected void onCreate(@Nullable Bundle savedInstanceState) {
+            super.onCreate(savedInstanceState);
+            addPreferencesFromResource(R.xml.user_pref_settings);
+        }
+    }

...a/expert/android/quoccuong/androidpersistentdata/settings/UserSettingsChangeListener.java

-Original file line number
+Diff line change
@@ -0,0 +1,23 @@
+    package expert.android.quoccuong.androidpersistentdata.settings;
+    import android.content.Context;
+    import android.content.SharedPreferences;
+    import android.widget.Toast;
+    /**
+     * Created by CuongDuong on 1/17/2018.
+     */
+    public class UserSettingsChangeListener implements SharedPreferences.OnSharedPreferenceChangeListener {
+        private Context mContext;
+        public UserSettingsChangeListener(Context mContext) {
+            this.mContext = mContext;
+        }
+        @Override
+        public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String s) {
+            Toast.makeText(mContext, s + " value changed: " + sharedPreferences.getString(s, "Unknow"), Toast.LENGTH_SHORT).show();
+        }
+    }

AndroidPersistentData/app/src/main/res/layout/activity_main.xml

-Original file line number
+Diff line change
@@ Expand Up / @@ -40,6 +40,6 @@ @@
             android:layout_alignParentLeft="true"
             android:layout_alignParentStart="true"
             android:text="Hello World!"
-            android:visibility="gone" />
+            android:visibility="visible" />
     </RelativeLayout>

AndroidPersistentData/app/src/main/res/menu/menu_main_activity.xml

-Original file line number
+Diff line change
@@ -0,0 +1,4 @@
+    <?xml version="1.0" encoding="utf-8"?>
+    <menu xmlns:android="http://schemas.android.com/apk/res/android">
+        <item android:id="@+id/menu_settings" android:title="Settings" />
+    </menu>

AndroidPersistentData/app/src/main/res/xml/user_pref_settings.xml

-Original file line number
+Diff line change
@@ -0,0 +1,25 @@
+    <?xml version="1.0" encoding="utf-8"?>
+    <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
+        <EditTextPreference
+            android:defaultValue="Default value"
+            android:key="display_name_key"
+            android:selectAllOnFocus="true"
+            android:singleLine="true"
+            android:title="Display Name" />
+        <PreferenceCategory android:title="App Settings">
+            <CheckBoxPreference
+                android:defaultValue="false"
+                android:key="enable_otp_read"
+                android:title="Enable Auto Read OTP" />
+            <RingtonePreference
+                android:defaultValue=""
+                android:key="ringtone_preference_1"
+                android:title="Ringtone preference" />
+            <SwitchPreference
+                android:defaultValue="false"
+                android:key="receive_notification"
+                android:title="Enable Notifications" />
+        </PreferenceCategory>
+    </PreferenceScreen>

android_image/android_data_persistent/shared_preferences.png

Sorry, something went wrong. Reload?