1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
/*
* Copyright (C) 2011 The Android Open Source Project
*
* 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.android.inputmethod.compat;
import android.content.Intent;
import android.text.TextUtils;
import android.util.Log;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
public final class CompatUtils {
private static final String TAG = CompatUtils.class.getSimpleName();
private static final String EXTRA_INPUT_METHOD_ID = "input_method_id";
// TODO: Can these be constants instead of literal String constants?
private static final String INPUT_METHOD_SUBTYPE_SETTINGS =
"android.settings.INPUT_METHOD_SUBTYPE_SETTINGS";
public static Intent getInputLanguageSelectionIntent(final String inputMethodId,
final int flagsForSubtypeSettings) {
// Refer to android.provider.Settings.ACTION_INPUT_METHOD_SUBTYPE_SETTINGS
final String action = INPUT_METHOD_SUBTYPE_SETTINGS;
final Intent intent = new Intent(action);
if (!TextUtils.isEmpty(inputMethodId)) {
intent.putExtra(EXTRA_INPUT_METHOD_ID, inputMethodId);
}
if (flagsForSubtypeSettings > 0) {
intent.setFlags(flagsForSubtypeSettings);
}
return intent;
}
public static Class<?> getClass(final String className) {
try {
return Class.forName(className);
} catch (ClassNotFoundException e) {
return null;
}
}
public static Method getMethod(final Class<?> targetClass, final String name,
final Class<?>... parameterTypes) {
if (targetClass == null || TextUtils.isEmpty(name)) return null;
try {
return targetClass.getMethod(name, parameterTypes);
} catch (SecurityException e) {
// ignore
} catch (NoSuchMethodException e) {
// ignore
}
return null;
}
public static Field getField(final Class<?> targetClass, final String name) {
if (targetClass == null || TextUtils.isEmpty(name)) return null;
try {
return targetClass.getField(name);
} catch (SecurityException e) {
// ignore
} catch (NoSuchFieldException e) {
// ignore
}
return null;
}
public static Constructor<?> getConstructor(final Class<?> targetClass,
final Class<?> ... types) {
if (targetClass == null || types == null) return null;
try {
return targetClass.getConstructor(types);
} catch (SecurityException e) {
// ignore
} catch (NoSuchMethodException e) {
// ignore
}
return null;
}
public static Object newInstance(final Constructor<?> constructor, final Object ... args) {
if (constructor == null) return null;
try {
return constructor.newInstance(args);
} catch (Exception e) {
Log.e(TAG, "Exception in newInstance: " + e.getClass().getSimpleName());
}
return null;
}
public static Object invoke(final Object receiver, final Object defaultValue,
final Method method, final Object... args) {
if (method == null) return defaultValue;
try {
return method.invoke(receiver, args);
} catch (Exception e) {
Log.e(TAG, "Exception in invoke: " + e.getClass().getSimpleName());
}
return defaultValue;
}
public static Object getFieldValue(final Object receiver, final Object defaultValue,
final Field field) {
if (field == null) return defaultValue;
try {
return field.get(receiver);
} catch (Exception e) {
Log.e(TAG, "Exception in getFieldValue: " + e.getClass().getSimpleName());
}
return defaultValue;
}
public static void setFieldValue(final Object receiver, final Field field, final Object value) {
if (field == null) return;
try {
field.set(receiver, value);
} catch (Exception e) {
Log.e(TAG, "Exception in setFieldValue: " + e.getClass().getSimpleName());
}
}
}
|
