AppHelper.java

/*
 * Copyright 2015 Hippo Seven
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.hippo.util;

import android.app.Activity;
import android.app.Dialog;
import android.app.Service;
import android.content.ActivityNotFoundException;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.view.View;
import android.view.inputmethod.InputMethodManager;
import android.widget.Toast;

import com.hippo.ehviewer.R;

public class AppHelper {

    public static boolean sendEmail(@NonNull Activity from, @NonNull String address,
            @Nullable String subject, @Nullable String text) {
        Intent i = new Intent(Intent.ACTION_SENDTO);
        i.setData(Uri.parse("mailto:" + address));
        if (subject != null) {
            i.putExtra(Intent.EXTRA_SUBJECT, subject);
        }
        if (text != null) {
            i.putExtra(Intent.EXTRA_TEXT, text);
        }

        try {
            from.startActivity(i);
            return true;
        } catch (ActivityNotFoundException e) {
            Toast.makeText(from, R.string.error_cant_find_activity, Toast.LENGTH_SHORT).show();
            return false;
        }
    }

    public static boolean share(@NonNull Activity from, String text) {
        Intent sendIntent = new Intent();
        sendIntent.setAction(Intent.ACTION_SEND);
        sendIntent.putExtra(Intent.EXTRA_TEXT, text);
        sendIntent.setType("text/plain");

        try {
            from.startActivity(sendIntent);
            return true;
        } catch (ActivityNotFoundException e) {
            Toast.makeText(from, R.string.error_cant_find_activity, Toast.LENGTH_SHORT).show();
            return false;
        }
    }

    public static void showSoftInput(Context context, View view) {
        showSoftInput(context, view, true);
    }

    public static void showSoftInput(Context context, View view, boolean requestFocus) {
        if (requestFocus) {
            view.requestFocus();
        }
        InputMethodManager imm = (InputMethodManager) context.getSystemService(Service.INPUT_METHOD_SERVICE);
        imm.showSoftInput(view, 0);
    }

    public static void hideSoftInput(Activity activity) {
        View view = activity.getCurrentFocus();
        if (view != null) {
            InputMethodManager imm = (InputMethodManager) activity.getSystemService(Context.INPUT_METHOD_SERVICE);
            imm.hideSoftInputFromWindow(view.getWindowToken(), 0);
        }
    }

    public static void hideSoftInput(Dialog dialog) {
        View view = dialog.getCurrentFocus();
        if (view != null) {
            InputMethodManager imm = (InputMethodManager) dialog.getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
            imm.hideSoftInputFromWindow(view.getWindowToken(), 0);
        }
    }
}