Android Open Source - buttered-toast Hook Toast Show

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License

The source code is released under:

GNU General Public License

Java Source Code

/*
 * This file is part of ButteredToast./*from ww  w  . j  a  va  2  s.c om*/
 *
 * Copyright 2013-2014 Gabriel Castro (c)
 *
 *     ButteredToast is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     ButteredToast is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with ButteredToast.  If not, see <http://www.gnu.org/licenses/>.
 */

package ca.gabrielcastro.butteredtoast.hooks;

import android.content.Context;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.content.res.XModuleResources;
import android.content.res.XResources;
import android.graphics.drawable.Drawable;
import android.text.SpannableString;
import android.text.SpannableStringBuilder;
import android.util.TypedValue;
import android.view.Gravity;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewParent;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;

import java.util.ArrayList;
import java.util.List;

import ca.gabrielcastro.butteredtoast.Util;
import ca.gabrielcastro.butteredtoast.XposedHook;
import de.robv.android.xposed.IXposedHookZygoteInit;
import de.robv.android.xposed.XC_MethodHook;
import de.robv.android.xposed.XposedBridge;
import de.robv.android.xposed.XposedHelpers;
import de.robv.android.xposed.callbacks.XC_LoadPackage;

public class HookToastShow extends XC_MethodHook implements AutoHookable {

    public HookToastShow() {
    }

    @Override
    protected void beforeHookedMethod(MethodHookParam param) throws Throwable {
        Toast t = (Toast) param.thisObject;
        try {

            View view = t.getView();
            Context context = view.getContext();
            PackageManager pm = context.getPackageManager();
            ApplicationInfo info = context.getApplicationInfo();
            String appName = pm.getApplicationLabel(info).toString();
            List<TextView> list = new ArrayList<TextView>();
            if (view instanceof TextView) {
                list.add((TextView) view);
                XposedBridge.log("TextView is toast view");
                ((TextView) view).setText(new SpannableStringBuilder(appName)
                        .append('\n')
                        .append(((TextView) view).getText())
                );
                return;
            } else if (view instanceof ViewGroup) {
                Util.finaAllTextView(list, (ViewGroup) view);
            }
            if (list.size() != 1) {
                throw new RuntimeException("number of TextViews in toast is not 1");
            }
            TextView text = list.get(0);
            ViewGroup parent = (ViewGroup) text.getParent();

            TextView appText = new TextView(text.getContext());
            appText.setTextColor(text.getTextColors());
            appText.setTextSize(TypedValue.COMPLEX_UNIT_PX, text.getTextSize());
            appText.setTypeface(text.getTypeface());

            LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
            appText.setLayoutParams(params);
            appText.setGravity(Gravity.CENTER_HORIZONTAL);
            appText.setPadding(appText.getPaddingLeft(), appText.getPaddingTop(), appText.getPaddingRight(), appText.getPaddingBottom() * 2);

            // add NBSP's to force it to lock centered even if it's longer than the text
            appName = '\u00A0' + appName + '\u00A0';
            appText.setText(appName);
            parent.addView(appText, 0);
        } catch (RuntimeException e) {
            XposedBridge.log(e);
        }
    }

    @Override
    public Unhook hook() {
        return XposedHelpers.findAndHookMethod(Toast.class, "show", this);
    }
}

Java Source Code List

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