Merge branch 'master'

nativescript-core/application-settings/application-settings.android.ts

@@ -0,0 +1,104 @@
+import * as common from "./application-settings-common";
+import { getNativeApplication } from "../application";
+
+let sharedPreferences: android.content.SharedPreferences;
+function ensureSharedPreferences() {
+    if (!sharedPreferences) {
+        sharedPreferences = (<android.app.Application>getNativeApplication()).getApplicationContext().getSharedPreferences("prefs.db", 0);
+    }
+}
+
+function verify(key: string) {
+    common.checkKey(key);
+    ensureSharedPreferences();
+}
+
+export function hasKey(key: string): boolean {
+    verify(key);
+
+    return sharedPreferences.contains(key);
+}
+
+// getters
+export function getBoolean(key: string, defaultValue?: boolean): boolean {
+    verify(key);
+    if (hasKey(key)) {
+        return sharedPreferences.getBoolean(key, false);
+    }
+
+    return defaultValue;
+}
+
+export function getString(key: string, defaultValue?: string): string {
+    verify(key);
+    if (hasKey(key)) {
+        return sharedPreferences.getString(key, "");
+    }
+
+    return defaultValue;
+}
+
+export function getNumber(key: string, defaultValue?: number): number {
+    verify(key);
+    if (hasKey(key)) {
+        return sharedPreferences.getFloat(key, float(0.0));
+    }
+
+    return defaultValue;
+}
+
+// setters
+export function setBoolean(key: string, value: boolean): void {
+    verify(key);
+    common.ensureValidValue(value, "boolean");
+    const editor = sharedPreferences.edit();
+    editor.putBoolean(key, value);
+    editor.apply();
+}
+
+export function setString(key: string, value: string): void {
+    verify(key);
+    common.ensureValidValue(value, "string");
+    const editor = sharedPreferences.edit();
+    editor.putString(key, value);
+    editor.apply();
+}
+
+export function setNumber(key: string, value: number): void {
+    verify(key);
+    common.ensureValidValue(value, "number");
+    const editor = sharedPreferences.edit();
+    editor.putFloat(key, float(value));
+    editor.apply();
+}
+
+export function remove(key: string): void {
+    verify(key);
+    const editor = sharedPreferences.edit();
+    editor.remove(key);
+    editor.apply();
+}
+
+export function clear(): void {
+    ensureSharedPreferences();
+    sharedPreferences.edit().clear().apply();
+}
+
+export function flush(): boolean {
+    ensureSharedPreferences();
+
+    return sharedPreferences.edit().commit();
+}
+
+export function getAllKeys(): Array<string> {
+    ensureSharedPreferences();
+    const mappedPreferences = sharedPreferences.getAll();
+    const iterator = mappedPreferences.keySet().iterator();
+    const result = [];
+    while (iterator.hasNext()) {
+        let key = iterator.next();
+        result.push(key);
+    }
+
+    return result;
+}